WorldWideScience

Sample records for volume-high volume usage

  1. Characterization of segmented large volume, high purity germanium detectors

    Energy Technology Data Exchange (ETDEWEB)

    Bruyneel, B. [Koeln Univ. (Germany). Inst. fuer Kernphysik

    2006-07-01

    {gamma}-ray tracking in future HPGe arrays like AGATA will rely on pulse shape analysis (PSA) of multiple {gamma}-interactions. For this purpose, a simple and fast procedure was developed which enabled the first full characterization of a segmented large volume HPGe detector. An analytical model for the hole mobility in a Ge crystal lattice was developed to describe the hole drift anisotropy with experimental velocity values along the crystal axis as parameters. The new model is based on the drifted Maxwellian hole distribution in Ge. It is verified by reproducing successfully experimental longitudinal hole anisotropy data. A comparison between electron and hole mobility shows large differences for the longitudinal and tangential velocity anisotropy as a function of the electrical field orientation. Measurements on a 12 fold segmented, n-type, large volume, irregular shaped HPGe detector were performed in order to determine the parameters of anisotropic mobility for electrons and holes as charge carriers created by {gamma}-ray interactions. To characterize the electron mobility the complete outer detector surface was scanned in small steps employing photopeak interactions at 60 keV. A precise measurement of the hole drift anisotropy was performed with 356 keV rays. The drift velocity anisotropy and crystal geometry cause considerable rise time differences in pulse shapes depending on the position of the spatial charge carrier creation. Pulse shapes of direct and transient signals are reproduced by weighting potential calculations with high precision. The measured angular dependence of rise times is caused by the anisotropic mobility, crystal geometry, changing field strength and space charge effects. Preamplified signals were processed employing digital spectroscopy electronics. Response functions, crosstalk contributions and averaging procedures were taken into account implying novel methods due to the segmentation of the Ge-crystal and the digital electronics

  2. Characterization of segmented large volume, high purity germanium detectors

    International Nuclear Information System (INIS)

    Bruyneel, B.

    2006-01-01

    γ-ray tracking in future HPGe arrays like AGATA will rely on pulse shape analysis (PSA) of multiple γ-interactions. For this purpose, a simple and fast procedure was developed which enabled the first full characterization of a segmented large volume HPGe detector. An analytical model for the hole mobility in a Ge crystal lattice was developed to describe the hole drift anisotropy with experimental velocity values along the crystal axis as parameters. The new model is based on the drifted Maxwellian hole distribution in Ge. It is verified by reproducing successfully experimental longitudinal hole anisotropy data. A comparison between electron and hole mobility shows large differences for the longitudinal and tangential velocity anisotropy as a function of the electrical field orientation. Measurements on a 12 fold segmented, n-type, large volume, irregular shaped HPGe detector were performed in order to determine the parameters of anisotropic mobility for electrons and holes as charge carriers created by γ-ray interactions. To characterize the electron mobility the complete outer detector surface was scanned in small steps employing photopeak interactions at 60 keV. A precise measurement of the hole drift anisotropy was performed with 356 keV rays. The drift velocity anisotropy and crystal geometry cause considerable rise time differences in pulse shapes depending on the position of the spatial charge carrier creation. Pulse shapes of direct and transient signals are reproduced by weighting potential calculations with high precision. The measured angular dependence of rise times is caused by the anisotropic mobility, crystal geometry, changing field strength and space charge effects. Preamplified signals were processed employing digital spectroscopy electronics. Response functions, crosstalk contributions and averaging procedures were taken into account implying novel methods due to the segmentation of the Ge-crystal and the digital electronics. The results are

  3. Unsupervised Learning Through Randomized Algorithms for High-Volume High-Velocity Data (ULTRA-HV).

    Energy Technology Data Exchange (ETDEWEB)

    Pinar, Ali [Sandia National Lab. (SNL-NM), Albuquerque, NM (United States); Kolda, Tamara G. [Sandia National Lab. (SNL-NM), Albuquerque, NM (United States); Carlberg, Kevin Thomas [Wake Forest Univ., Winston-Salem, MA (United States); Ballard, Grey [Sandia National Lab. (SNL-NM), Albuquerque, NM (United States); Mahoney, Michael [Univ. of California, Berkeley, CA (United States)

    2018-01-01

    Through long-term investments in computing, algorithms, facilities, and instrumentation, DOE is an established leader in massive-scale, high-fidelity simulations, as well as science-leading experimentation. In both cases, DOE is generating more data than it can analyze and the problem is intensifying quickly. The need for advanced algorithms that can automatically convert the abundance of data into a wealth of useful information by discovering hidden structures is well recognized. Such efforts however, are hindered by the massive volume of the data and its high velocity. Here, the challenge is developing unsupervised learning methods to discover hidden structure in high-volume, high-velocity data.

  4. Very Low Volume High-Intensity Interval Exercise Is More Effective in Young Than Old Women

    Directory of Open Access Journals (Sweden)

    Raulas Krusnauskas

    2018-01-01

    Full Text Available We investigated the acute neuromuscular and stress responses to three different high-intensity interval training sessions in young (age 19.5±1.3 years and older (age 65.7±2.8 years women. Cycling exercise comprised either 6 × 5 s or 3 × 30 s all-out, or 3 × 60 s submaximal, efforts each performed 5 weeks apart in randomized order. Peak and average power was higher in young than in older women and was largest during the 6 × 5 s strategy in both groups (p<0.05. The decrease in the ratio of torques evoked by 20 and 100 Hz electrical stimulation, representing low-frequency fatigue, was more evident after the 3 × 30 and 3 × 60 s than the 6 × 5 s bout in both groups and was larger in young than in older women (p<0.05. Both groups preferred 6 × 5 s cycling for further training. In conclusion, in young women, very low volume (6 × 5 s all-out exercise induces significant physiological stress and seems to be an effective means of training. For older women, longer exercise sessions (3 × 60 s are more stressful than shorter ones but are still tolerable psychologically.

  5. APS 6BM-B Large Volume High Pressure Beamline: A Workhorse for Rock and Mineral Physics

    Science.gov (United States)

    Chen, H.; Whitaker, M. L.; Baldwin, K. J.; Huebsch, W. R.; Vaughan, M. T.; Weidner, D. J.

    2017-12-01

    With the inheritance of decades of technical innovations at the NSLS X17B2 Beamline, APS 6BM-B Beamline was established in 2015 and is a dedicated beamline for synchrotron-based large volume high pressure research in earth sciences, especially rock and mineral physics. Currently a 250-ton hydraulic press equipped with a D-DIA module is installed and a Rotational Drickamer Apparatus from Yale University is hosted every cycle, covering a pressure range from crust to lower mantle. 6BM-B operates in white beam mode with an effective energy range of 20-100 keV. Energy dispersive X-ray diffraction data is collected using a 10-element solid state Ge array detector arranged in a circular geometry to allow for the real time assessment of stress. Direct radiographic imaging using Prosillica CCD camera and scintillating YAG crystals yields sample strain and strain rate. In addition to applications in phase transitions, equation of states measurements, sound velocity measurements, this setup is ideal for studies of steady state and dynamic deformation process. In this presentation, technical features and strengths of 6BM-B will be discussed. Most recent progress and science highlights of our user community will be showcased.

  6. Development of Small-Volume, High-Precision, and Reliable Cryogenic Linear Actuators by Using Novel Intermetallic Compounds

    Data.gov (United States)

    National Aeronautics and Space Administration — Space missions often involve ultra-cold environments, and cryogenic actuators must be mechanically robust for long-term cyclic work, generate high power per volume,...

  7. SyPRID sampler: A large-volume, high-resolution, autonomous, deep-ocean precision plankton sampling system

    Science.gov (United States)

    Billings, Andrew; Kaiser, Carl; Young, Craig M.; Hiebert, Laurel S.; Cole, Eli; Wagner, Jamie K. S.; Van Dover, Cindy Lee

    2017-03-01

    The current standard for large-volume (thousands of cubic meters) zooplankton sampling in the deep sea is the MOCNESS, a system of multiple opening-closing nets, typically lowered to within 50 m of the seabed and towed obliquely to the surface to obtain low-spatial-resolution samples that integrate across 10 s of meters of water depth. The SyPRID (Sentry Precision Robotic Impeller Driven) sampler is an innovative, deep-rated (6000 m) plankton sampler that partners with the Sentry Autonomous Underwater Vehicle (AUV) to obtain paired, large-volume plankton samples at specified depths and survey lines to within 1.5 m of the seabed and with simultaneous collection of sensor data. SyPRID uses a perforated Ultra-High-Molecular-Weight (UHMW) plastic tube to support a fine mesh net within an outer carbon composite tube (tube-within-a-tube design), with an axial flow pump located aft of the capture filter. The pump facilitates flow through the system and reduces or possibly eliminates the bow wave at the mouth opening. The cod end, a hollow truncated cone, is also made of UHMW plastic and includes a collection volume designed to provide an area where zooplankton can collect, out of the high flow region. SyPRID attaches as a saddle-pack to the Sentry vehicle. Sentry itself is configured with a flight control system that enables autonomous survey paths to low altitudes. In its verification deployment at the Blake Ridge Seep (2160 m) on the US Atlantic Margin, SyPRID was operated for 6 h at an altitude of 5 m. It recovered plankton samples, including delicate living larvae, from the near-bottom stratum that is seldom sampled by a typical MOCNESS tow. The prototype SyPRID and its next generations will enable studies of plankton or other particulate distributions associated with localized physico-chemical strata in the water column or above patchy habitats on the seafloor.

  8. Improved brachial artery shear patterns and increased flow-mediated dilation after low-volume high-intensity interval training in type 2 diabetes.

    Science.gov (United States)

    Ghardashi Afousi, Alireza; Izadi, Mohammad Reza; Rakhshan, Kamran; Mafi, Farnoosh; Biglari, Soheil; Gandomkar Bagheri, Habibalah

    2018-06-22

    What is the central question of this study? Endothelial function is impaired because of increased oscillatory and retrograde shear in patients with type 2 diabetes. It is unclear whether low-volume high-intensity interval training and continuous moderate intensity exercise can modulate oscillatory and retrograde shear, blood flow and flow-mediated arterial dilation in these patients. What is the main finding and its importance? We found that low-volume high-intensity interval training, by increasing anterograde shear and decreasing retrograde shear and oscillatory index, can increase nitric oxide production and consequently result in increased flow-mediated dilation and outward arterial remodelling in patients with type 2 diabetes. Atherosclerosis in patients with type 2 diabetes is characterized by endothelial dysfunction associated with impaired flow-mediated dilation (FMD) and increases retrograde and oscillatory shear. The present study investigated endothelium-dependent vasodilation and shear rate in patients with type 2 diabetes at baseline and follow-up after 12 weeks of low-volume high-intensity interval training (LV-HIIT) or continuous moderate intensity training (CMIT). Seventy five sedentary patients with type 2 diabetes and untreated pre- or stage I hypertension were randomly divided into LV-HIIT, CMIT and control groups. The LV-HIIT group intervention was 12 intervals of 1.5 min at 85%-90% HR max and 2 min at 55%-60% HR max . The CMIT group intervention was 42 min of exercise at 70% HR max for 3 sessions per week during 12 weeks. High-resolution Doppler ultrasound was used to measure FMD, arterial diameter, anterograde and retrograde blood flow and shear rate patterns. Brachial artery FMD increased significantly in the LV-HIIT group (3.83 ± 1.13 baseline, 7.39 ± 3.6% follow-up), whereas there were no significant increase in the CMIT group (3.45 ± 0.97 baseline, 4.81 ± 2.36% follow-up) compared to the control group (3.16 ± 0

  9. Effects of low-volume high-intensity interval training in a community setting: a pilot study.

    Science.gov (United States)

    Reljic, Dejan; Wittmann, Felix; Fischer, Joachim E

    2018-06-01

    High-intensity interval training (HIIT) is emerging as an effective and time-efficient exercise strategy for health promotion. However, most HIIT studies are conducted in laboratory settings and evidence regarding the efficacy of time-efficient "low-volume" HIIT is based mainly on demanding "all-out" protocols. Thus, the aim of this pilot study was to assess the feasibility and efficacy of two low-volume (≤ 30 min time-effort/week), non-all-out HIIT protocols, performed 2 ×/week over 8 weeks in a community-based fitness centre. Thirty-four sedentary men and women were randomised to either 2 × 4-min HIIT (2 × 4-HIIT) or 5 × 1-min HIIT (5 × 1-HIIT) at 85-95% maximal heart rate (HR max ), or an active control group performing moderate-intensity continuous training (MICT, 76 min/week) at 65-75% HR max . The exercise protocols were well tolerated and no adverse events occurred. 2 × 4-HIIT and 5 × 1-HIIT exhibited lower dropout rates (17 and 8 vs. 30%) than MICT. All training modes improved VO 2max (2 × 4-HIIT: + 20%, P HIIT: + 27%, P HIIT protocols required 60% less time commitment. Both HIIT protocols and MICT had positive impact on cholesterol profiles. Only 5 × 1-HIIT significantly improved waist circumference (P HIIT can be feasibly implemented in a community-based setting. Moreover, our data suggest that practical (non-all-out) HIIT that requires as little as 30 min/week, either performed as 2 × 4-HIIT or 5 × 1-HIIT, may induce significant improvements in VO 2max and cardiometabolic risk markers.

  10. A high-throughput platform for low-volume high-temperature/pressure sealed vessel solvent extractions

    International Nuclear Information System (INIS)

    Damm, Markus; Kappe, C. Oliver

    2011-01-01

    Highlights: ► Parallel low-volume coffee extractions in sealed-vessel HPLC/GC vials. ► Extractions are performed at high temperatures and pressures (200 °C/20 bar). ► Rapid caffeine determination from the liquid phase. ► Headspace analysis of volatiles using solid-phase microextraction (SPME). - Abstract: A high-throughput platform for performing parallel solvent extractions in sealed HPLC/GC vials inside a microwave reactor is described. The system consist of a strongly microwave-absorbing silicon carbide plate with 20 cylindrical wells of appropriate dimensions to be fitted with standard HPLC/GC autosampler vials serving as extraction vessels. Due to the possibility of heating up to four heating platforms simultaneously (80 vials), efficient parallel analytical-scale solvent extractions can be performed using volumes of 0.5–1.5 mL at a maximum temperature/pressure limit of 200 °C/20 bar. Since the extraction and subsequent analysis by either gas chromatography or liquid chromatography coupled with mass detection (GC–MS or LC–MS) is performed directly from the autosampler vial, errors caused by sample transfer can be minimized. The platform was evaluated for the extraction and quantification of caffeine from commercial coffee powders assessing different solvent types, extraction temperatures and times. For example, 141 ± 11 μg caffeine (5 mg coffee powder) were extracted during a single extraction cycle using methanol as extraction solvent, whereas only 90 ± 11 were obtained performing the extraction in methylene chloride, applying the same reaction conditions (90 °C, 10 min). In multiple extraction experiments a total of ∼150 μg caffeine was extracted from 5 mg commercial coffee powder. In addition to the quantitative caffeine determination, a comparative qualitative analysis of the liquid phase coffee extracts and the headspace volatiles was performed, placing special emphasis on headspace analysis using solid-phase microextraction (SPME

  11. A high-throughput platform for low-volume high-temperature/pressure sealed vessel solvent extractions

    Energy Technology Data Exchange (ETDEWEB)

    Damm, Markus [Christian Doppler Laboratory for Microwave Chemistry (CDLMC) and Institute of Chemistry, Karl-Franzens-University Graz, Heinrichstrasse 28, A-8010 Graz (Austria); Kappe, C. Oliver, E-mail: oliver.kappe@uni-graz.at [Christian Doppler Laboratory for Microwave Chemistry (CDLMC) and Institute of Chemistry, Karl-Franzens-University Graz, Heinrichstrasse 28, A-8010 Graz (Austria)

    2011-11-30

    Highlights: Black-Right-Pointing-Pointer Parallel low-volume coffee extractions in sealed-vessel HPLC/GC vials. Black-Right-Pointing-Pointer Extractions are performed at high temperatures and pressures (200 Degree-Sign C/20 bar). Black-Right-Pointing-Pointer Rapid caffeine determination from the liquid phase. Black-Right-Pointing-Pointer Headspace analysis of volatiles using solid-phase microextraction (SPME). - Abstract: A high-throughput platform for performing parallel solvent extractions in sealed HPLC/GC vials inside a microwave reactor is described. The system consist of a strongly microwave-absorbing silicon carbide plate with 20 cylindrical wells of appropriate dimensions to be fitted with standard HPLC/GC autosampler vials serving as extraction vessels. Due to the possibility of heating up to four heating platforms simultaneously (80 vials), efficient parallel analytical-scale solvent extractions can be performed using volumes of 0.5-1.5 mL at a maximum temperature/pressure limit of 200 Degree-Sign C/20 bar. Since the extraction and subsequent analysis by either gas chromatography or liquid chromatography coupled with mass detection (GC-MS or LC-MS) is performed directly from the autosampler vial, errors caused by sample transfer can be minimized. The platform was evaluated for the extraction and quantification of caffeine from commercial coffee powders assessing different solvent types, extraction temperatures and times. For example, 141 {+-} 11 {mu}g caffeine (5 mg coffee powder) were extracted during a single extraction cycle using methanol as extraction solvent, whereas only 90 {+-} 11 were obtained performing the extraction in methylene chloride, applying the same reaction conditions (90 Degree-Sign C, 10 min). In multiple extraction experiments a total of {approx}150 {mu}g caffeine was extracted from 5 mg commercial coffee powder. In addition to the quantitative caffeine determination, a comparative qualitative analysis of the liquid phase coffee

  12. Development of large-volume, high-resolution tracking detectors based on capillaries filled with liquid scintillator

    International Nuclear Information System (INIS)

    Buontempo, S.; Fabre, J.P.; Frenkel, A.; Gregoire, G.; Hoepfner, K.; Konijn, J.; Kozarenko, E.; Kreslo, I.; Kushnirenko, A.; Martellotti, G.; Michel, L.; Mondardini, M.R.; Penso, G.; Siegmund, W.P.; Strack, R.; Tyukov, V.; Vasilchenko, V.; Vilain, P.; Wilquet, G.; Winter, K.; Wong, H.; Zymin, K.

    1995-01-01

    Searches for the decay of short-lived particles require real time, high-resolution tracking in active targets, which in the case of neutrino physics should be of large volume. The possibility of achieving this by using glass capillaries filled with organic liquid scintillator is being investigated in the framework of the CHORUS experiment at CERN. In this paper, after outlining the application foreseen, advances in the tracking technique are discussed and results from tests are reported. An active target of dimensions 180x2x2 cm 3 has been assembled from capillaries with 20 μm diameter pores. The readout scheme currently in operation allows the reading of similar 5x10 5 channels using a single chain of image intensifiers having a resolution of σ similar 20 μm. Following the development of new liquid scintillators and purification methods an attenuation length of similar 3 m has been obtained. This translates into a hit density of 3.5 per mm for a minimum-ionizing particle that crosses the active target at a distance of 1 m from the readout end. (orig.)

  13. A PRACTICAL MODEL OF LOW-VOLUME HIGH-INTENSITY INTERVAL TRAINING INDUCES PERFORMANCE AND METABOLIC ADAPTATIONS THAT RESEMBLE 'ALL-OUT' SPRINT INTERVAL TRAINING

    Directory of Open Access Journals (Sweden)

    Mahdi Bayati

    2011-09-01

    Full Text Available Recently, a novel type of high-intensity interval training known as sprint interval training has demonstrated increases in aerobic and anaerobic performance with very low time commitment. However, this type of training program is unpractical for general populations. The present study compared the impact of a low-volume high-intensity interval training to a "all-out" sprint interval training. Twenty-four active young males were recruited and randomized into three groups: (G1: 3-5 cycling bouts × 30-s all-out with 4 min recovery; G2: 6- 10 cycling bouts × 125% Pmax with 2 min recovery and a non-trained control group. They all performed a VO2max test, a time to exhaustion at Pmax (Tmax and a Wingate test before and after the intervention. Capillary blood lactate was taken at rest, 3, and 20 min after the Wingate trial. Training was performed 3 sessions per week for 4 weeks. In G1, significant improvements (p < 0.05 following training were found in VO2max (9.6%, power at VO2max (12.8%, Tmax (48.4%, peak power output (10.3% and mean power output (17.1%. In G2, significant improvements following training were found in VO2max (9.7%, power at VO2max (16.1%, Tmax (54.2%, peak power output (7.4%; p < 0.05, but mean power output did not change significantly. Blood lactate recovery (20th min significantly decreased in G1 and G2 when compared with pre-testing and the CON group (p < 0.05. In conclusion, the results of the current study agree with earlier work demonstrating the effectiveness of 30-s all-out training program to aerobic and anaerobic adaptations. Of substantial interest is that the low volume high intensity training provides similar results but involves only half the intensity with double the repetitions

  14. Effects of Moderate-Volume, High-Load Lower-Body Resistance Training on Strength and Function in Persons with Parkinson's Disease: A Pilot Study

    Directory of Open Access Journals (Sweden)

    Brian K. Schilling

    2010-01-01

    Full Text Available Background. Resistance training research has demonstrated positive effects for persons with Parkinson's disease (PD, but the number of acute training variables that can be manipulated makes it difficult to determine the optimal resistance training program. Objective. The purpose of this investigation was to examine the effects of an 8-week resistance training intervention on strength and function in persons with PD. Methods. Eighteen men and women were randomized to training or standard care for the 8-week intervention. The training group performed 3 sets of 5–8 repetitions of the leg press, leg curl, and calf press twice weekly. Tests included leg press strength relative to body mass, timed up-and-go, six-minute walk, and Activities-specific Balance Confidence questionnaire. Results. There was a significant group-by-time effect for maximum leg press strength relative to body mass, with the training group significantly increasing their maximum relative strength (P.05. Conclusions. Moderate volume, high-load weight training is effective for increasing lower-body strength in persons with PD.

  15. Comparison of affective responses during and after low volume high-intensity interval exercise, continuous moderate- and continuous high-intensity exercise in active, untrained, healthy males.

    Science.gov (United States)

    Niven, Ailsa; Thow, Jacqueline; Holroyd, Jack; Turner, Anthony P; Phillips, Shaun M

    2018-09-01

    This study compared affective responses to low volume high-intensity interval exercise (HIIE), moderate-intensity continuous exercise (MICE) and high-intensity continuous exercise (HICE). Twelve untrained males ([Formula: see text] 48.2 ± 6.7 ml·kg -1 ·min -1 ) completed MICE (30 min cycle at 85% of ventilatory threshold (VT)), HICE (cycle at 105% of VT matched with MICE for total work), and HIIE (10 x 6 s cycle sprints with 60 s recovery). Affective valence and perceived activation were measured before exercise, post warm-up, every 20% of exercise time, and 1, 5, 10, and 15 min post-exercise. Affective valence during exercise declined by 1.75 ± 2.42, 1.17 ± 1.99, and 0.42 ± 1.38 units in HICE, HIIE, and MICE, respectively, but was not statistically influenced by trial (P = 0.35), time (P = 0.06), or interaction effect (P = 0.08). Affective valence during HICE and HIIE was consistently less positive than MICE. Affective valence post-exercise was not statistically influenced by trial (P = 0.10) and at 5 min post-exercise exceeded end-exercise values (P = 0.048). Circumplex profiles showed no negative affect in any trial. Affective responses to low volume HIIE are similar to HICE but remain positive and rebound rapidly, suggesting it may be a potential alternative exercise prescription.

  16. A randomized controlled trial comparing a standard postoperative diet with low-volume high-calorie oral supplements following colorectal surgery.

    Science.gov (United States)

    Sharma, M; Wahed, S; O'Dair, G; Gemmell, L; Hainsworth, P; Horgan, A F

    2013-07-01

    Postoperative oral nutritional supplementation is becoming a part of most patient care pathways. This study examined the effects of low-volume high-calorie prescribed supplemental nutrition on patient outcome following elective colorectal surgery. Patients undergoing elective colorectal resections were randomized to a prescribed nutritional supplementation group (SG) [standard diet + 6 × 60 ml/day of Pro-Cal (60 ml = 200 kcal + 4 g protein)] or conventional postoperative diet group (CG) (standard diet alone). Preoperative and daily postoperative hand-grip strengths were measured using a grip dynamometer after randomization. Daily food intake, return of bowel activity, nausea score for the first 3 days and postoperative length of hospital stay (LOS) were prospectively recorded. Micro-diet standardized software was used to analyse food diaries. Nonparametric tests were used to analyse the data. Fifty-five patients were analysed (SG 28, CG 27). There was no difference in median preoperative and postoperative handgrip strengths at discharge within each group (SG 31.7 vs 31.7 kPa, P = 0.932; CG 28 vs 28.1 kPa, P = 0.374). The total median daily calorie intake was higher in SG than CG (SG 818.5 kcal vs CG 528 kcal; P = 0.002). There was no difference in median number of days to first bowel movement (SG 3 days vs CG 4 days, P = 0.096). The median LOS was significantly shorter in SG than CG (6.5 vs 9 days; P = 0.037). Prescribed postoperative high-calorie, low-volume oral supplements in addition to the normal dietary intake are associated with significantly better total daily oral calorie intake and may contribute to a reduced postoperative hospital stay. Colorectal Disease © 2013 The Association of Coloproctology of Great Britain and Ireland.

  17. Facebook usage on smartphones and gray matter volume of the nucleus accumbens.

    Science.gov (United States)

    Montag, Christian; Markowetz, Alexander; Blaszkiewicz, Konrad; Andone, Ionut; Lachmann, Bernd; Sariyska, Rayna; Trendafilov, Boris; Eibes, Mark; Kolb, Julia; Reuter, Martin; Weber, Bernd; Markett, Sebastian

    2017-06-30

    A recent study has implicated the nucleus accumbens of the ventral striatum in explaining why online-users spend time on the social network platform Facebook. Here, higher activity of the nucleus accumbens was associated with gaining reputation on social media. In the present study, we touched a related research field. We recorded the actual Facebook usage of N=62 participants on their smartphones over the course of five weeks and correlated summary measures of Facebook use with gray matter volume of the nucleus accumbens. It appeared, that in particular higher daily frequency of checking Facebook on the smartphone was robustly linked with smaller gray matter volumes of the nucleus accumbens. The present study gives additional support for the rewarding aspects of Facebook usage. Moreover, it shows the feasibility to include real life behavior variables in human neuroscientific research. Copyright © 2017 Elsevier B.V. All rights reserved.

  18. Low-volume high-intensity swim training is superior to high-volume low-intensity training in relation to insulin sensitivity and glucose control in inactive middle-aged women.

    Science.gov (United States)

    Connolly, Luke J; Nordsborg, Nikolai B; Nyberg, Michael; Weihe, Pál; Krustrup, Peter; Mohr, Magni

    2016-10-01

    We tested the hypothesis that low-volume high-intensity swimming has a larger impact on insulin sensitivity and glucose control than high-volume low-intensity swimming in inactive premenopausal women with mild hypertension. Sixty-two untrained premenopausal women were randomised to an inactive control (n = 20; CON), a high-intensity low-volume (n = 21; HIT) or a low-intensity high-volume (n = 21; LIT) training group. During the 15-week intervention period, HIT performed 3 weekly 6-10 × 30-s all-out swimming intervals (average heart rate (HR) = 86 ± 3 % HRmax) interspersed by 2-min recovery periods and LIT swam continuously for 1 h at low intensity (average HR = 73 ± 3 % HRmax). Fasting blood samples were taken and an oral glucose tolerance test (OGTT) was conducted pre- and post-intervention. After HIT, resting plasma [insulin] was lowered (17 ± 34 %; P high-intensity intermittent swimming is an effective and time-efficient training strategy for improving insulin sensitivity, glucose control and biomarkers of vascular function in inactive, middle-aged mildly hypertensive women.

  19. The effect on glycaemic control of low-volume high-intensity interval training versus endurance training in individuals with type 2 diabetes.

    Science.gov (United States)

    Winding, Kamilla M; Munch, Gregers W; Iepsen, Ulrik W; Van Hall, Gerrit; Pedersen, Bente K; Mortensen, Stefan P

    2018-05-01

    To evaluate whether high-intensity interval training (HIIT) with a lower time commitment can be as effective as endurance training (END) on glycaemic control, physical fitness and body composition in individuals with type 2 diabetes. A total of 29 individuals with type 2 diabetes were allocated to control (CON; no training), END or HIIT groups. Training groups received 3 training sessions per week consisting of either 40 minutes of cycling at 50% of peak workload (END) or 10 1-minute intervals at 95% of peak workload interspersed with 1 minute of active recovery (HIIT). Glycaemic control (HbA1c, oral glucose tolerance test, 3-hour mixed meal tolerance test with double tracer technique and continuous glucose monitoring [CGM]), lipolysis, VO 2 peak and body composition were evaluated before and after 11 weeks of intervention. Exercise training increased VO 2 peak more in the HIIT group (20% ± 20%) compared with the END group (8% ± 9%) despite lower total energy expenditure and time usage during the training sessions. HIIT decreased whole body and android fat mass compared with the CON group. In addition, visceral fat mass, HbA1c, fasting glucose, postprandial glucose, glycaemic variability and HOMA-IR decreased after HIIT. The reduced postprandial glucose in the HIIT group was driven primarily by a lower rate of exogenous glucose appearance. In the CON group, postprandial lipolysis was augmented over the 11-week control period. Despite a ~45% lower training volume, HIIT resulted in similar or even better improvements in physical fitness, body composition and glycemic control compared to END. HIIT therefore appears to be an important time-efficient treatment for individuals with type 2 diabetes. © 2017 John Wiley & Sons Ltd.

  20. High-volume, high-value usage of Flue Gas Desulfurization (FGD) by-products in underground mines Phase 1: Laboratory investigations. Quarterly report, July 1994--September 1994

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1994-12-01

    During the quarter a second series of samples were collected and partially characterized chemically and mineralogically. The samples were collected at the disposal site operated by Freeman United Coal Co. The second collection was necessary because of deterioration due to hydration of the original samples. A study of the hydration characteristics was completed during the quarter. Important reactions included the immediate formation of ettringite and portlandite. The hydration and transformation was found to be a slow process. A second phase of gypsum formation from ettringite deterioration was identified. The slow hydration of anhydrite with its resultant swell is a potential problem which will be addressed further. Geotechnical characterization, during the quarter included completion of the preliminary characterization, analysis of the findings, experimentation with sample preparation for the final characterization/mix design, and design of the final experimental program. The analysis of the coals collected during the core drilling and hydrologic planning were completed. Also during the quarter a meeting was held with representatives of the shotcrete industry to discuss transport systems for emplacement. The pros and cons of pneumatic and hydraulic systems were discussed and plans formulated for further investigations.

  1. A pilot study examining the effects of low-volume high-intensity interval training and continuous low to moderate intensity training on quality of life, functional capacity and cardiovascular risk factors in cancer survivors.

    Science.gov (United States)

    Toohey, Kellie; Pumpa, Kate L; Arnolda, Leonard; Cooke, Julie; Yip, Desmond; Craft, Paul S; Semple, Stuart

    2016-01-01

    The aim of this study was to evaluate the effects of low-volume high-intensity interval training and continuous low to moderate intensity training on quality of life, functional capacity and cardiovascular disease risk factors in cancer survivors. Cancer survivors within 24 months post-diagnosis were randomly assigned into the low-volume high-intensity interval training group ( n  = 8) or the continuous low to moderate intensity training group ( n  = 8) group for 36 sessions (12 weeks) of supervised exercise. The low-volume high-intensity interval training (LVHIIT) group performed 7 × 30 s intervals (≥85% maximal heart rate) and the continuous low to moderate intensity training (CLMIT) group performed continuous aerobic training for 20 min (≤55% maximal heart rate) on a stationary bike or treadmill. Significant improvements (time) were observed for 13 of the 23 dependent variables (ES 0.05-0.61, p  ≤ 0.05). An interaction effect was observed for six minute walk test (18.53% [32.43-4.63] ES 0.50, p  ≤ 0.01) with the LVHIIT group demonstrating greater improvements. These preliminary findings suggest that both interventions can induce improvements in quality of life, functional capacity and selected cardiovascular disease risk factors. The LVHIIT program was well tolerated by the participants and our results suggest that LVHIIT is the preferred modality to improve fitness (6MWT); it remains to be seen which intervention elicits the most clinically relevant outcomes for patients. A larger sample size with a control group is required to confirm the significance of these findings.

  2. The effect of low-volume high-intensity interval training versus endurance training on glycemic control in individuals with type 2 diabetes

    DEFF Research Database (Denmark)

    Winding, Kamilla Munch; Munch, Gregers Winding; Iepsen, Ulrik Winning

    2018-01-01

    AIM: To evaluate whether high-intensity interval training (HIIT) with a lower time commitment can be as effective as endurance training (END) on glycaemic control, physical fitness and body composition in individuals with type 2 diabetes. MATERIALS AND METHODS: A total of 29 individuals with type 2...... diabetes were allocated to control (CON; no training), END or HIIT groups. Training groups received 3 training sessions per week consisting of either 40 minutes of cycling at 50% of peak workload (END) or 10 1-minute intervals at 95% of peak workload interspersed with 1 minute of active recovery (HIIT...... in the HIIT group (20% ± 20%) compared with the END group (8% ± 9%) despite lower total energy expenditure and time usage during the training sessions. HIIT decreased whole body and android fat mass compared with the CON group. In addition, visceral fat mass, HbA1c, fasting glucose, postprandial glucose...

  3. High failure rates after (131)I therapy in Graves hyperthyroidism patients with large thyroid volumes, high iodine uptake, and high iodine turnover.

    Science.gov (United States)

    de Jong, Jeroen A F; Verkooijen, Helena M; Valk, Gerlof D; Zelissen, Pierre M J; de Keizer, Bart

    2013-06-01

    The objective of this study was to identify patient characteristics positively and independently associated with I-iodide treatment failure in a large cohort of patients with Graves hyperthyroidism treated with either a calculated "standard" activity of 3.7 MBq/mL (0.1 mCi) or 7.4 MBq/mL (0.2 mCi) of thyroid volume. Data on 385 consecutive patients were prospectively collected. Clinical treatment outcome up to 1 year in relation to thyroid volume, 5- and 24-hour I uptake, 5/24-hour I uptake ratio, and the administered activity of radioiodine were analyzed. Overall treatment results were hypothyroidism in 46%, euthyroidism in 29%, and recurrent hyperthyroidism in 26% of patients. Thyroid volume (P = 0.000), 5/24-hour uptake ratio (P = 0.000), and 5- and 24-hour uptake alone (respectively, P = 0.000 and P = 0.002) were significantly associated with therapy outcome. Patients with a combination of a thyroid volume greater than 50 mL and a 5/24-hour uptake ratio 0.8 or greater showed treatment failure in 70% and 42% (respectively, 3.7 MBq/mL, n = 20; and 7.4 MBq/mL, n = 41).Thyroid volume and 5/24-hour uptake ratio were positively and independently associated with recurrent hyperthyroidism (respectively, odds ratio [OR], 5.3; 95% confidence interval [CI], 2.39-11.76; and OR, 2.97; 95% CI, 1.59-5.59). Higher activities of 7.4 MBq/mL I were associated with a lower risk of treatment failure (OR, 0.34; 95% CI, 0.18-0.62). Large thyroid volumes and high 5/24-hour uptake ratios are positively and independently associated with recurrent hyperthyroidism following I therapy in Graves hyperthyroidism. Higher success rates can be achieved when account is taken of these poor prognostic factors. In consequence, these patients should be treated with activities greater than 7.4 MBq/mL.

  4. Impact of low-volume, high-intensity interval training on maximal aerobic capacity, health-related quality of life and motivation to exercise in ageing men.

    Science.gov (United States)

    Knowles, Ann-Marie; Herbert, Peter; Easton, Chris; Sculthorpe, Nicholas; Grace, Fergal M

    2015-01-01

    There is a demand for effective training methods that encourage exercise adherence during advancing age, particularly in sedentary populations. This study examined the effects of high-intensity interval training (HIIT) exercise on health-related quality of life (HRQL), aerobic fitness and motivation to exercise in ageing men. Participants consisted of males who were either lifelong sedentary (SED; N = 25; age 63 ± 5 years) or lifelong exercisers (LEX; N = 19; aged 61 ± 5 years). [Formula: see text] and HRQL were measured at three phases: baseline (Phase A), week seven (Phase B) and week 13 (Phase C). Motivation to exercise was measured at baseline and week 13. [Formula: see text] was significantly higher in LEX (39.2 ± 5.6 ml kg min(-1)) compared to SED (27.2 ± 5.2 ml kg min(-1)) and increased in both groups from Phase A to C (SED 4.6 ± 3.2 ml kg min(-1), 95 % CI 3.1 - 6.0; LEX 4.9 ± 3.4 ml kg min(-1), 95 % CI 3.1-6.6) Physical functioning (97 ± 4 LEX; 93 ± 7 SED) and general health (70 ± 11 LEX; 78 ± 11 SED) were significantly higher in LEX but increased only in the SED group from Phase A to C (physical functioning 17 ± 18, 95 % CI 9-26, general health 14 ± 14, 95 % CI 8-21). Exercise motives related to social recognition (2.4 ± 1.2 LEX; 1.5 ± 1.0 SED), affiliation (2.7 ± 1.0 LEX; 1.6 ± 1.2 SED) and competition (3.3 ± 1.3 LEX; 2.2 ± 1.1) were significantly higher in LEX yet weight management motives were significantly higher in SED (2.9 ± 1.1 LEX; 4.3 ± 0.5 SED). The study provides preliminary evidence that low-volume HIIT increases perceptions of HRQL, exercise motives and aerobic capacity in older adults, to varying degrees, in both SED and LEX groups.

  5. Developing a semi/automated protocol to post-process large volume, High-resolution airborne thermal infrared (TIR) imagery for urban waste heat mapping

    Science.gov (United States)

    Rahman, Mir Mustafizur

    In collaboration with The City of Calgary 2011 Sustainability Direction and as part of the HEAT (Heat Energy Assessment Technologies) project, the focus of this research is to develop a semi/automated 'protocol' to post-process large volumes of high-resolution (H-res) airborne thermal infrared (TIR) imagery to enable accurate urban waste heat mapping. HEAT is a free GeoWeb service, designed to help Calgary residents improve their home energy efficiency by visualizing the amount and location of waste heat leaving their homes and communities, as easily as clicking on their house in Google Maps. HEAT metrics are derived from 43 flight lines of TABI-1800 (Thermal Airborne Broadband Imager) data acquired on May 13--14, 2012 at night (11:00 pm--5:00 am) over The City of Calgary, Alberta (˜825 km 2) at a 50 cm spatial resolution and 0.05°C thermal resolution. At present, the only way to generate a large area, high-spatial resolution TIR scene is to acquire separate airborne flight lines and mosaic them together. However, the ambient sensed temperature within, and between flight lines naturally changes during acquisition (due to varying atmospheric and local micro-climate conditions), resulting in mosaicked images with different temperatures for the same scene components (e.g. roads, buildings), and mosaic join-lines arbitrarily bisect many thousands of homes. In combination these effects result in reduced utility and classification accuracy including, poorly defined HEAT Metrics, inaccurate hotspot detection and raw imagery that are difficult to interpret. In an effort to minimize these effects, three new semi/automated post-processing algorithms (the protocol) are described, which are then used to generate a 43 flight line mosaic of TABI-1800 data from which accurate Calgary waste heat maps and HEAT metrics can be generated. These algorithms (presented as four peer-reviewed papers)---are: (a) Thermal Urban Road Normalization (TURN)---used to mitigate the microclimatic

  6. Functional and structural vascular adaptations following 8 weeks of low volume high intensity interval training in lower leg of type 2 diabetes patients and individuals at high risk of metabolic syndrome

    DEFF Research Database (Denmark)

    Madsen, Søren Møller; Thorup, Anne Cathrine Sønderstgaard; Overgaard, Kristian

    2015-01-01

    We wished to investigate the effects of 8 weeks of low volume high intensity interval training (HIIT) on endothelial function of popliteal artery and circulating cell adhesion molecules in type 2 diabetes (T2D) patients and matched controls (CON). Methods: Over 8 weeks, non-active T2D patients...... and CONs cycled three times per week (10 × 60 sec HIIT). Pre- and post-HIIT measurements of endothelial function were conducted by applying flow-mediated dilation (FMD) along with taking venous blood samples. Results: Baseline diameter of popliteal artery increased significantly from an average of 5.53 mm.......12% to 6.58% in the CON-group (p = 0.004) and 4.84% to 5.66% in the T2D-group: (p = 0.045). The shear rate reduced significantly in both groups (CON-group: p = 0.04; T2D-group: p = 0.002). Circulating cell adhesion molecules remained unchanged (p > 0.05). Conclusion: HIIT induced an improvement...

  7. Acute Low-Volume High-Intensity Interval Exercise and Continuous Moderate-Intensity Exercise Elicit a Similar Improvement in 24-h Glycemic Control in Overweight and Obese Adults.

    Science.gov (United States)

    Parker, Lewan; Shaw, Christopher S; Banting, Lauren; Levinger, Itamar; Hill, Karen M; McAinch, Andrew J; Stepto, Nigel K

    2016-01-01

    Background: Acute exercise reduces postprandial oxidative stress and glycemia; however, the effects of exercise intensity are unclear. We investigated the effect of acute low-volume high-intensity interval-exercise (LV-HIIE) and continuous moderate-intensity exercise (CMIE) on glycemic control and oxidative stress in overweight and obese, inactive adults. Methods: Twenty-seven adults were randomly allocated to perform a single session of LV-HIIE (9 females, 5 males; age: 30 ± 1 years; BMI: 29 ± 1 kg·m -2 ; mean ± SEM) or CMIE (8 females, 5 males; age: 30 ± 2.0; BMI: 30 ± 2.0) 1 h after consumption of a standard breakfast. Plasma redox status, glucose and insulin were measured. Continuous glucose monitoring (CGM) was conducted during the 24-h period before (rest day) and after exercise (exercise day). Results: Plasma thiobarbituric acid reactive substances (TBARS; 29 ±13%, p improvement in 24-h average glucose levels (-5 ± 2%, p improving 24-h glycemic control in overweight and obese adults.

  8. Usage Volume and Trends Indicate Academic Library Online Learning Objects and Tutorials Are Being Used

    Directory of Open Access Journals (Sweden)

    Ruby Muriel Lavallee Warren

    2017-03-01

    grounded textual theory analysis, and the researcher formed generalized categories. They sent these categories and a random sample of 10% of the recorded search terms to librarians unaffiliated with the study, and used their categorizations of the search term samples to validate the initial researcher’s textual analysis. Main Results – After analyzing the 5,638 unique page views recorded, researchers found that categorical browsing was used more frequently than facilitated searching throughout the year, and more frequently than organic searching for 6 of the 8 recorded months. Organic searching was used more frequently than facilitated searching during most months, while both organic and facilitated searching were less likely to be engaged in by users working on Saturday or Sunday. They found that interactions in the “other” category were quite high, and the researchers attributed this to featured videos on the interface homepage being required for a number of classes. The researchers discovered that patterns in interface use were similar between on-campus and off-campus users, and that most traffic to the interface was through referral from other websites (such as the library homepage. Direct traffic (from URLs manually typed in or in documents was the second most frequent point of access, while users arriving at the interface from a search engine interaction was a distant third. Grounded textual theory analysis of the 14,428 collected organic searches achieved a 92% consensus in coding, and showed a user focus in searching for specific resources, tasks, and knowledge, rather than broader conceptual searches. Additionally, researchers noticed that a significant number of users performed organic searches for videos that were featured on the front page, possibly indicating that certain users engage with search functions before viewing page content. Conclusions – The researchers concluded that despite the limitations of the study, the usage volume and trends

  9. Usage of Geoprocessing Services in Precision Forestry for Wood Volume Calculation and Wind Risk Assessment

    Directory of Open Access Journals (Sweden)

    Tomáš Mikita

    2015-01-01

    Full Text Available This paper outlines the idea of a precision forestry tool for optimizing clearcut size and shape within the process of forest recovery and its publishing in the form of a web processing service for forest owners on the Internet. The designed tool titled COWRAS (Clearcut Optimization and Wind Risk Assessment is developed for optimization of clearcuts (their location, shape, size, and orientation with subsequent wind risk assessment. The tool primarily works with airborne LiDAR data previously processed to the form of a digital surface model (DSM and a digital elevation model (DEM. In the first step, the growing stock on the planned clearcut determined by its location and area in feature class is calculated (by the method of individual tree detection. Subsequently tree heights from canopy height model (CHM are extracted and then diameters at breast height (DBH and wood volume using the regressions are calculated. Information about wood volume of each tree in the clearcut is exported and summarized in a table. In the next step, all trees in the clearcut are removed and a new DSM without trees in the clearcut is generated. This canopy model subsequently serves as an input for evaluation of wind risk damage by the MAXTOPEX tool (Mikita et al., 2012. In the final raster, predisposition of uncovered forest stand edges (around the clearcut to wind risk is calculated based on this analysis. The entire tool works in the background of ArcGIS server as a spatial decision support system for foresters.

  10. Estimating the real world daily usage and cost for exenatide twice daily and liraglutide in Germany, the Netherlands, and the UK based on volumes dispensed by pharmacies

    Directory of Open Access Journals (Sweden)

    McDonell AL

    2015-01-01

    Full Text Available Amanda L McDonell,1 Urpo Kiiskinen,2 Danielle C Zammit,3 Robert W Kotchie,1 Per-Olof Thuresson,3 Claudia Nicolay,4 Thomas Haslam,1 Michiel Bruinsma,5 Anne-Jeanine Janszen-Van Oosterhout,6 Thorsten Otto41IMS Health, London, UK; 2Eli Lilly and Company, Helsinki, Finland; 3IMS Health, Basel, Switzerland; 4Eli Lilly and Company, Bad Homburg, Germany; 5IMS Health, Rotterdam, the Netherlands; 6Eli Lilly Nederland, Houten, the NetherlandsBackground: Glucagon-like peptide-1 (GLP-1 receptor agonists are indicated for improvement of glycemic control in adults with type 2 diabetes. Cost is one aspect of treatment to be considered, in addition to clinical benefits, when selecting optimal therapy for a patient. The objective of this study was to estimate the average dose usage and real world daily cost of the GLP-1 receptor agonists, exenatide twice daily and liraglutide once daily, in Germany, the Netherlands, and the UK.Methods: Administrative databases were used to source the data from longitudinal records of dispensed prescriptions. Data were extracted from the IMS Longitudinal Prescription database which captures details of prescriptions dispensed in pharmacies. Information on the dispensed quantity of each product was used to estimate average daily usage per patient. Daily dose usage was multiplied by the public price per unit to estimate daily cost.Results: The dispensed volume in Germany corresponded to a mean dispensed daily dose of 16.81 µg for exenatide twice daily and 1.37 mg for liraglutide (mean daily cost €4.02 and €4.54, respectively. In the Netherlands, average dispensed daily doses of 17.07 µg and 1.49 mg were observed for exenatide twice daily and liraglutide (mean daily cost €3.05 and €3.97, respectively. In the UK, the mean dispensed volume corresponded to a daily usage of 20.49 µg for exenatide twice daily and 1.50 mg for liraglutide (mean daily cost £2.53 and £3.28, respectively.Conclusion: Estimates of average daily

  11. Irradiation of blood, blood compounds and cell culture in equipment of radiotherapy of clinical usage. Study about volume and ideal dose

    International Nuclear Information System (INIS)

    Fernandes, Marco Antonio Rodrigues; Pereira, Adelino Jose; Novaes, Paulo Eduardo Ribeiro dos Santos

    1996-01-01

    The irradiation of blood bags with the objective of minimizing the graft-versus-host disease in the proceedings of blood transfusion has been consolidated as an indispensable step in the advances of hematopoietic system diseases therapeutics. This practice performed in the great oncological treatment centers requires appropriate equipment (cell irradiators), that due to the high coast, is inaccessible to the majority of the services. The main objective of this work is the show the technique developed by the Radiological Physics Service of the Hospital A. C. Camargo Radiation Department, using the teletherapy equipment of clinical usage available at the Institution. The literature shows that a total dose of 2000 to 3500 c Gy must be administered to all target volume to get an ideal dose/volume relation that proportionates better therapeutic results, neutralizing the cells which are causative of post transfusion reactions of rejection, without prejudicing the other cells that are necessary to the maintenance and preservation of the transplanted person's hematopoietic system functions. With the technic developed for optimization of the irradiation. it is possible to conclude that the utilization of radiotherapy equipment of clinical usage for blood irradiation, substituting cells irradiators, is a good option, permitting safe transfusion of products irradiated with adequate dose. (author)

  12. A program for calculating load coefficient matrices utilizing the force summation method, L218 (LOADS). Volume 1: Engineering and usage

    Science.gov (United States)

    Miller, R. D.; Anderson, L. R.

    1979-01-01

    The LOADS program L218, a digital computer program that calculates dynamic load coefficient matrices utilizing the force summation method, is described. The load equations are derived for a flight vehicle in straight and level flight and excited by gusts and/or control motions. In addition, sensor equations are calculated for use with an active control system. The load coefficient matrices are calculated for the following types of loads: translational and rotational accelerations, velocities, and displacements; panel aerodynamic forces; net panel forces; shears and moments. Program usage and a brief description of the analysis used are presented. A description of the design and structure of the program to aid those who will maintain and/or modify the program in the future is included.

  13. Usage Center

    DEFF Research Database (Denmark)

    Kleinaltenkamp, Michael; Plewa, Carolin; Gudergan, Siegfried

    2017-01-01

    Purpose: The purpose of this paper is to advance extant theorizing around resourceintegration by conceptualizing and delineating the notion of a usage center. Ausage center consists of a combination of interdependent actors that draw onresources across their individual usage processes to create v...

  14. Usage of Recycled Pet

    Directory of Open Access Journals (Sweden)

    A. Ebru Tayyar

    2010-01-01

    Full Text Available The increasing industrialization, urbanization and the technological development have caused to increase depletion of the natural resources and environmental pollution's problem. Especially, for the countries which have not enough space recycling of the waste eliminating waste on regular basis or decreasing the amount and volume of waste have provided the important advantages. There are lots of studies and projects to develop both protect resources and prevent environmental pollution. PET bottles are commonly used in beverage industry and can be reused after physical and chemical recycling processes. Usage areas of recycled PET have been developed rapidly. Although recycled PET is used in plastic industry, composite industry also provides usage alternatives of recycled PET. Textile is a suitable sector for recycling of some plastics made of polymers too. In this study, the recycling technologies and applications of waste PET bottles have been investigated and scientific works in this area have been summarized.

  15. « Les usages avancés du téléphone mobile », revue Réseaux, La Découverte, volume 27, juillet-septembre 2009

    Directory of Open Access Journals (Sweden)

    Mathilde Cleret

    2013-11-01

    Full Text Available Le volume 27 de la revue Réseaux « Les usages avancés du téléphone mobile » aborde la question de la transformation des terminaux portables et de leurs usages. Il regroupe des études menées entre 2007 à 2009, dans le cadre d’un projet collaboratif « Mobile en ville » labellisé par le pôle de compétitivité Cap Digital. Il est constitué de six articles qui interrogent les nouvelles pratiques individuelles et collectives de la téléphonie mobile. Ils questionnent la façon dont s’articulent les no...

  16. Does the usage of digital chest drainage systems reduce pleural inflammation and volume of pleural effusion following oncologic pulmonary resection?-A prospective randomized trial.

    Science.gov (United States)

    De Waele, Michèle; Agzarian, John; Hanna, Waël C; Schieman, Colin; Finley, Christian J; Macri, Joseph; Schneider, Laura; Schnurr, Terri; Farrokhyar, Forough; Radford, Katherine; Nair, Parameswaran; Shargall, Yaron

    2017-06-01

    Prolonged air leak and high-volume pleural drainage are the most common causes for delays in chest tube removal following lung resection. While digital pleural drainage systems have been successfully used in the management of post-operative air leak, their effect on pleural drainage and inflammation has not been studied before. We hypothesized that digital drainage systems (as compared to traditional analog continuous suction), using intermittent balanced suction, are associated with decreased pleural inflammation and postoperative drainage volumes, thus leading to earlier chest tube removal. One hundred and three [103] patients were enrolled and randomized to either analog (n=50) or digital (n=53) drainage systems following oncologic lung resection. Chest tubes were removed according to standardized, pre-defined protocol. Inflammatory mediators [interleukin-1B (IL-1B), 6, 8, tumour necrosis factor-alpha (TNF-α)] in pleural fluid and serum were measured and analysed. The primary outcome of interest was the difference in total volume of postoperative fluid drainage. Secondary outcome measures included duration of chest tube in-situ, prolonged air-leak incidence, length of hospital stay and the correlation between pleural effusion formation, degree of inflammation and type of drainage system used. There was no significant difference in total amount of fluid drained or length of hospital stay between the two groups. A trend for shorter chest tube duration was found with the digital system when compared to the analog (P=0.055). Comparison of inflammatory mediator levels revealed no significant differences between digital and analog drainage systems. The incidence of prolonged post-operative air leak was significantly higher when using the analog system (9 versus 2 patients; P=0.025). Lobectomy was associated with longer chest tube duration (P=0.001) and increased fluid drainage when compared to sub-lobar resection (Pdigital drainage does not appear to decrease pleural

  17. MRI usage in a pediatric emergency department: an analysis of usage and usage trends over 5 years

    Energy Technology Data Exchange (ETDEWEB)

    Scheinfeld, Meir H. [Montefiore Medical Center, Albert Einstein College of Medicine, Department of Radiology, Division of Emergency Radiology, Bronx, NY (United States); Moon, Jee-Young; Wang, Dan [Albert Einstein College of Medicine, Department of Epidemiology and Population Health, Bronx, NY (United States); Fagan, Michele J. [Montefiore Medical Center, Albert Einstein College of Medicine, Department of Pediatrics, Division of Emergency Medicine, Bronx, NY (United States); Davoudzadeh, Reubin [Montefiore Medical Center, Department of Radiology, Bronx, NY (United States); Taragin, Benjamin H. [Montefiore Medical Center, Albert Einstein College of Medicine, Department of Radiology, Division of Pediatric Radiology, Bronx, NY (United States)

    2017-03-15

    Magnetic resonance imaging (MRI) usage has anecdotally increased due to the principles of ALARA and the desire to Image Gently. Aside from a single abstract in the emergency medicine literature, pediatric emergency department MRI usage has not been described. Our objective was to determine whether MRI use is indeed increasing at a high-volume urban pediatric emergency department with 24/7 MRI availability. Also, we sought to determine which exams, time periods and demographics influenced the trend. Institutional Review Board exemption was obtained. Emergency department patient visit and exam data were obtained from the hospital database for the 2011-2015 time period. MRI usage data were normalized using emergency department patient visit data to determine usage rates. The z-test was used to compare MRI use by gender. The chi-square test was used to test for trends in MRI usage during the study period and in patient age. MRI usage for each hour and each weekday were tabulated to determine peak and trough usage times. MRI usage rate per emergency department patient visit was 0.36%. Headache, pain and rule-out appendicitis were the most common indications for neuroradiology, musculoskeletal and trunk exams, respectively. Usage in female patients was significantly greater than in males (0.42% vs. 0.29%, respectively, P<0.001). Usage significantly increased during the 5-year period (P<0.001). Use significantly increased from age 3 to 17 (0.011% to 1.1%, respectively, P<0.001). Sixty percent of exams were performed after-hours, the highest volume during the 10 p.m. hour and lowest between 4 a.m. and 9 a.m. MRI use was highest on Thursdays and lowest on Sundays (MRI on 0.45% and 0.22% of patients, respectively). MRI use in children increased during the study period, most notably in females, on weekdays and after-hours. (orig.)

  18. Organiser la proximité entre usagers de l’eau : le cas de la Gestion Volumétrique dans le Bassin de la Charente

    Directory of Open Access Journals (Sweden)

    Céline Granjou

    2006-05-01

    Full Text Available Depuis les années 90 en Charente, la Gestion Volumétrique (GV vise à réduire les conflits liés au poids de l’irrigation sur la ressource en eau. Nous proposons ici de recourir au cadre d’analyse des proximités afin de formuler une évaluation sociologique du dispositif de gestion concertée de l’eau que constitue la GV. À partir d’entretiens auprès des acteurs de l’eau (irrigants, pêcheurs, riverains, acteurs du tourisme…, nous montrons que si la GV instaure une nouvelle proximité autour de règles d’organisation, celle-ci demeure asymétrique (privilégiant une proximité sectorielle autour de l’irrigation, instrumentale (absence d’un projet partagé de développement territorial, et enfin partielle au sens où n’est pas prise en compte la diversité des interdépendances de proximité autour de l’eau.Since the 90’s in the French region watered by the river Charente water resources have been weighed down with irrigation. In order to reduce conflicts which are linked to this situation, «Volumetric Management » introduces some new rules for irrigation practices including consultation. We propose to make a sociological assessment of the Volumetric Management basing on the notion of proximity with its different meanings. Several interviews with water users (farmers which use or don’t use water, fishers, residents, actors responsible for tourism… show that a new proximity due the share of organisation rules has been developed, but that this proximity is: asymmetric because it privileges links between partisans of irrigation; instrumental because it lacks a commune long-term vision of territorial development; at last partial because the different interdependencies induced by the same water resource are not considered.

  19. Volume reduction by the incineration of the combustible radioactive solid samples from radioisotope usage at the utilization facility. Estimation of the distribution of low energy β-emitter using the imaging plate

    International Nuclear Information System (INIS)

    Yumoto, Yasuhiro; Hanafusa, Tadashi; Nagamatsu, Tomohiro; Okada, Shigeru

    1999-01-01

    We want to establish a system of volume reduction by the incineration of the combustible radioactive solid wastes from radioisotope usage at the utilization facility. We have been performing experiments using an experimental incineration system to examine the distribution of radionuclides during incineration and to collect basic data. To reproduce the realistic conditions of incineration of low-level radioactive wastes in an experimental system, we adopted new incineration methods in this study. Low level radioactive samples (LLRS) were set up in a mesh container of stainless steel and incinerated at high temperature (over 800 degC) generated by two sets of high calorie gas burners. Low energy β-emitters 35 S, 45 Ca, 33 P, and a high energy β-emitter 32 P were used for the experiment. Their translocation percentages in exhaust air and dust were estimated using the Imaging Plate. Distribution of radionuclides during the incineration was similar to that estimated by conventional methods by our study or to that reported in incineration of liquid scintillation cocktail waste. We concluded that the use of the Imaging Plates is a simple and reliable method for estimation of the distribution of low energy β-emitters in incineration gas and ash. (author)

  20. Differences in smartphone usage

    DEFF Research Database (Denmark)

    Gustarini, Mattia; Scipioni, Marcello Paolo; Fanourakis, Marios

    2016-01-01

    We analyze the users’ intimacy to investigate the differences in smartphone usage, considering the user’s location and number and kind of people physically around the user. With a first user study we (1) validate the intimacy concept, (2) evaluate its correlation to smartphone usage features and ...

  1. Usage Record Format Recommendation

    CERN Document Server

    Nilsen, J.K.; Muller-Pfeerkorn, R

    2013-01-01

    For resources to be shared, sites must be able to exchange basic accounting and usage data in a common format. This document describes a common format which enables the exchange of basic accounting and usage data from different resources. This record format is intended to facilitate the sharing of usage information, particularly in the area of the accounting of jobs, computing, memory, storage and cloud usage but with a structure that allows an easy extension to other resources. This document describes the Usage Record components both in natural language form and annotated XML. This document does not address how these records should be used, nor does it attempt to dictate the format in which the accounting records are stored. Instead, it denes a common exchange format. Furthermore, nothing is said regarding the communication mechanisms employed to exchange the records, i.e. transport layer, framing, authentication, integrity, etc.

  2. French grammar and usage

    CERN Document Server

    Hawkins, Roger

    2015-01-01

    Long trusted as the most comprehensive, up-to-date and user-friendly grammar available, French Grammar and Usage is a complete guide to French as it is written and spoken today. It includes clear descriptions of all the main grammatical phenomena of French, and their use, illustrated by numerous examples taken from contemporary French, and distinguishes the most common forms of usage, both formal and informal.Key features include:Comprehensive content, covering all the major structures of contemporary French User-friendly organisation offering easy-to-find sections with cross-referencing and i

  3. Vehicle usage verification system

    NARCIS (Netherlands)

    Scanlon, W.G.; McQuiston, Jonathan; Cotton, Simon L.

    2012-01-01

    EN)A computer-implemented system for verifying vehicle usage comprising a server capable of communication with a plurality of clients across a communications network. Each client is provided in a respective vehicle and with a respective global positioning system (GPS) by which the client can

  4. Growing natural gas usage

    International Nuclear Information System (INIS)

    Saarni, T.

    1996-01-01

    Finnish natural gas usage topped the 3.3 billion cubic metre mark last year, up 3.6 % on the 1994 figure. Growth has increased now for 12 years in a row. Thanks to offtake by large individual users, the pipeline network has been expanded from South-East Finland to the Greater Helsinki area and central southern Finland. Natural gas plays a much larger role in this region than the 10 % accounted for by natural gas nationally would indicate. The growth in the share of Finland's energy use accounted for by natural gas has served to broaden the country's energy supply base. Natural gas has replaced coal and oil, which has considerably reduced the level of emissions resulting form energy generation

  5. Rivet usage at CMS

    Energy Technology Data Exchange (ETDEWEB)

    Radziej, Markus; Hebbeker, Thomas; Sonnenschein, Lars [III. Phys. Inst. A, RWTH Aachen (Germany)

    2015-07-01

    In this talk an overview of Rivet and its usage at the CMS experiment is presented. Rivet stands for ''Robust Independent Validation of Experiment and Theory'' and is used for optimizing and validating Monte Carlo event generators. By using the results of published analyses, distributions of the simulation can be compared to experimental measurements (corrected for detector effects). This gives insight into the agreement on the particle-level. Starting off with an introduction to the Rivet environment, the purpose of this tool in modern particle physics is explained. Before taking a closer look at the analysis structure, the software necessary to get comparisons is outlined. Analysis implementations are discussed using code examples, showcasing the powerful framework that Rivet provides. A few selected final distributions displaying both Monte Carlo generated events and recorded data are presented, showing the potential to perform particle-level comparisons.

  6. [Smartphone usage among adolescents].

    Science.gov (United States)

    Körmendi, Attila

    2015-01-01

    Among our technological gadgets smartphones play the most important role, new generation devices offer other functions beyond calling (internet availability, computer games, music player, camera functions etc.) In everydays can be experienced that youth spend more and more time with their smartphones and despite the actuality of this issue there are no studies on the excessive smartphone usage in Hungary and we can find only a few international studies. Our goal is to examine smartphone usage in primary and secondary schools in Hajdu-Bihar county, Hungary and its relationship with personality traits. Our sample consist of 263 youth from primary and secondary schools. We measured the characteristics of smartphone using and attitudes with a Mobilephone Using Questionnare. Personality traits are measured with Impulsiveness, Venturesomeness, Empathy Scale. The Child Behavior Checklist gives information about peer relationships, mental state and emotions. Average phone using time is 4,48 hours per day regarding the whole sample. This mean for boys is 3,40 hour for girls 5,39 hour. Average phone using time is higher at 16 (6,35 hour per day). The most frequent used applications are calling and visiting community sites. There is no connection between phone using and grades. The smartphone using time per day shows a significant positive relationship with Impulsivity, Anxiety and Depression, Attention deficits and Somatic problems within 17-19 ages. One of the explanation of excessive smartphone using may be the frequent visiting of community sites. Mobile phones in this case raise the availability of addictive object (community site) therefore contribute to the development of community site addiction. The connection with impulsivity, somatic problems and attention deficits refer to the anxiety reducing role of smartphones within 17-19 ages.

  7. Regulatory applications of the relationships between natural gas usage and weather

    International Nuclear Information System (INIS)

    Gray, J.A.; Patterson, D.L.; Proctor, M.S.; Warren, H.E.

    1997-01-01

    This document provides the basics required for analysis and forecasting of natural gas usage for determining the revenues and revision of rates. The focus is on the Local Distribution Company and its customers. Analysis of gas usage is required in a rate case in order to properly estimate the volumes and revenues that would be recovered from current rate under conditions of normal weather. Normal volumes are also required to evaluate proposed rates. In the context of the Local Distribution Company's procurement of gas supply, forecasting of gas usage is required to determine both the daily usage profile and the peak day requirement

  8. Sparing carbapenem usage.

    Science.gov (United States)

    Wilson, A Peter R

    2017-09-01

    Carbapenem resistance in Gram-negative bacteria is increasing in many countries and use of carbapenems and antibiotics to which resistance is linked should be reduced to slow its emergence. There are no directly equivalent antibiotics and the alternatives are less well supported by clinical trials. The few new agents are expensive. To provide guidance on strategies to reduce carbapenem usage. A literature review was performed as described in the BSAC/HIS/BIA/IPS Joint Working Party on Multiresistant Gram-negative Infection Report. Older agents remain active against some of the pathogens, although expectations of broad-spectrum cover for empirical treatment have risen. Education, expert advice on treatment and antimicrobial stewardship can produce significant reductions in use. More agents may need to be introduced onto the antibiotic formulary of the hospital, despite the poor quality of scientific studies in some cases. © The Author 2017. Published by Oxford University Press on behalf of the British Society for Antimicrobial Chemotherapy. All rights reserved. For Permissions, please email: journals.permissions@oup.com.

  9. Usage of Recycled Pet

    OpenAIRE

    Tayyar, A. Ebru; Üstün, Sevcan

    2010-01-01

    The increasing industrialization, urbanization and the technological development have caused to increase depletion of the natural resources and environmental pollution's problem. Especially, for the countries which have not enough space recycling of the waste eliminating waste on regular basis or decreasing the amount and volume of waste have provided the important advantages. There are lots of studies and projects to develop both protect resources and prevent environmental pollution. PE...

  10. Low-Volume High-Intensity Interval Training in a Gym Setting Improves Cardio-Metabolic and Psychological Health.

    Directory of Open Access Journals (Sweden)

    Sam O Shepherd

    Full Text Available Within a controlled laboratory environment, high-intensity interval training (HIT elicits similar cardiovascular and metabolic benefits as traditional moderate-intensity continuous training (MICT. It is currently unclear how HIT can be applied effectively in a real-world environment.To investigate the hypothesis that 10 weeks of HIT, performed in an instructor-led, group-based gym setting, elicits improvements in aerobic capacity (VO2max, cardio-metabolic risk and psychological health which are comparable to MICT.Ninety physically inactive volunteers (42±11 y, 27.7±4.8 kg.m-2 were randomly assigned to HIT or MICT group exercise classes. HIT consisted of repeated sprints (15-60 seconds, >90% HRmax interspersed with periods of recovery cycling (≤25 min.session-1, 3 sessions.week-1. MICT participants performed continuous cycling (~70% HRmax, 30-45 min.session-1, 5 sessions.week-1. VO2max, markers of cardio-metabolic risk, and psychological health were assessed pre and post-intervention.Mean weekly training time was 55±10 (HIT and 128±44 min (MICT (p<0.05, with greater adherence to HIT (83±14% vs. 61±15% prescribed sessions attended, respectively; p<0.05. HIT improved VO2max, insulin sensitivity, reduced abdominal fat mass, and induced favourable changes in blood lipids (p<0.05. HIT also induced beneficial effects on health perceptions, positive and negative affect, and subjective vitality (p<0.05. No difference between HIT and MICT was seen for any of these variables.HIT performed in a real-world gym setting improves cardio-metabolic risk factors and psychological health in physically inactive adults. With a reduced time commitment and greater adherence than MICT, HIT offers a viable and effective exercise strategy to target the growing incidence of metabolic disease and psychological ill-being associated with physical inactivity.

  11. An evaluation of low volume high-intensity intermittent training (HIIT) for health risk reduction in overweight and obese men.

    Science.gov (United States)

    Kelly, Benjamin M; Xenophontos, Soteris; King, James A; Nimmo, Myra A

    2017-01-01

    Both sprint interval training (SIT) and high-intensity intermittent training (HIIT) have been described as time-efficient strategies for inducing favourable metabolic and cardiorespiratory adaptations in healthy and diseased participants. To date, little attention has been given to profiling the potential health benefits of HIIT or modified HIIT training within overweight and obese cohorts with particular focus on inflammation. Within this pilot trial, we tested the hypothesis that 6 sessions of HIIT performed over 2 weeks with 1-2 days' rest would improve aerobic capacity, glucose metabolism and inflammatory profile in an overweight and obese male cohort. Additionally, we profiled the potential health benefits of 4 HIIT sessions performed over the same period. 18 overweight or obese males (BMI = 31.2 ± 3.6; V̇O 2  = 30.3 ± 4.4 ml.kg.min -1 ) were studied before and 72 h after HIIT. Training sessions consisted of 10 x 1 min intervals at 90% HR peak separated by 1 min recovery periods. Exercise was performed either 6 (group 1, n  = 8) or 4 (group 2, n  = 10) times over a 2 week period. After training no changes were detected from baseline for body composition, aerobic capacity, glucose metabolism or inflammatory profile ( p  > 0.05) in either group. Both 6 and 4 sessions of HIIT performed over a 2-week period are ineffective in improving selected health markers within an overweight and obese cohort. This trial reports data from human participants and was retrospectively registered on 22/02/2017 with the ISRCTN registry, trial number ISRCTN90672085.

  12. The influence of 2 weeks of low-volume high-intensity interval training on health outcomes in adolescent boys.

    Science.gov (United States)

    Barker, Alan R; Day, Josephine; Smith, Aaron; Bond, Bert; Williams, Craig A

    2014-01-01

    The present study aimed to establish whether 2 weeks of high-intensity interval training would have a beneficial effect on aerobic fitness, fat oxidation, blood pressure and body mass index (BMI) in healthy adolescent boys. Ten adolescent boys (15.1 ± 0.3 years, 1.3 ± 0.2 years post-estimated peak height velocity) completed six sessions of Wingate-style high-intensity interval training over a 2-week period. The first session consisted of four sprints with training progressed to seven sprints in the final session. High-intensity interval training had a beneficial effect on maximal O2 uptake (mean change, ±90% confidence intervals: 0.19 L · min(-1), ±0.19, respectively), on the O2 uptake at the gas exchange threshold (0.09 L · min(-1), ±0.13) and on the O2 cost of sub-maximal exercise (-0.04 L · min(-1), ±0.04). A beneficial effect on the contribution of lipid (0.06 g · min(-1), ±0.06) and carbohydrate (-0.23 g · min(-1), ±0.14) oxidation was observed during sub-maximal exercise, but not for the maximal rate of fat oxidation (0.04 g · min(-1), ±0.08). Systolic blood pressure (1 mmHg, ±4) and BMI (0.1 kg · m2, ±0.1) were not altered following training. These data demonstrate that meaningful changes in health outcomes are possible in healthy adolescent boys after just six sessions of high-intensity interval training over a 2-week period.

  13. Low-Volume High-Intensity Interval Training in a Gym Setting Improves Cardio-Metabolic and Psychological Health

    OpenAIRE

    Shepherd, Sam O.; Wilson, Oliver J.; Taylor, Alexandra S.; Thøgersen-Ntoumani, Cecilie; Adlan, Ahmed M.; Wagenmakers, Anton J. M.; Shaw, Christopher S.

    2015-01-01

    Background\\ud Within a controlled laboratory environment, high-intensity interval training (HIT) elicits similar cardiovascular and metabolic benefits as traditional moderate-intensity continuous training (MICT). It is currently unclear how HIT can be applied effectively in a real-world environment.\\ud Purpose\\ud To investigate the hypothesis that 10 weeks of HIT, performed in an instructor-led, group-based gym setting, elicits improvements in aerobic capacity (VO2max), cardio-metabolic risk ...

  14. Low-Volume High-Intensity Interval Training in a Gym Setting Improves Cardio-Metabolic and Psychological Health.

    Science.gov (United States)

    Shepherd, Sam O; Wilson, Oliver J; Taylor, Alexandra S; Thøgersen-Ntoumani, Cecilie; Adlan, Ahmed M; Wagenmakers, Anton J M; Shaw, Christopher S

    2015-01-01

    Within a controlled laboratory environment, high-intensity interval training (HIT) elicits similar cardiovascular and metabolic benefits as traditional moderate-intensity continuous training (MICT). It is currently unclear how HIT can be applied effectively in a real-world environment. To investigate the hypothesis that 10 weeks of HIT, performed in an instructor-led, group-based gym setting, elicits improvements in aerobic capacity (VO2max), cardio-metabolic risk and psychological health which are comparable to MICT. Ninety physically inactive volunteers (42±11 y, 27.7±4.8 kg.m-2) were randomly assigned to HIT or MICT group exercise classes. HIT consisted of repeated sprints (15-60 seconds, >90% HRmax) interspersed with periods of recovery cycling (≤25 min.session-1, 3 sessions.week-1). MICT participants performed continuous cycling (~70% HRmax, 30-45 min.session-1, 5 sessions.week-1). VO2max, markers of cardio-metabolic risk, and psychological health were assessed pre and post-intervention. Mean weekly training time was 55±10 (HIT) and 128±44 min (MICT) (pHIT (83±14% vs. 61±15% prescribed sessions attended, respectively; pHIT improved VO2max, insulin sensitivity, reduced abdominal fat mass, and induced favourable changes in blood lipids (pHIT also induced beneficial effects on health perceptions, positive and negative affect, and subjective vitality (pHIT and MICT was seen for any of these variables. HIT performed in a real-world gym setting improves cardio-metabolic risk factors and psychological health in physically inactive adults. With a reduced time commitment and greater adherence than MICT, HIT offers a viable and effective exercise strategy to target the growing incidence of metabolic disease and psychological ill-being associated with physical inactivity.

  15. Manufacturer Usage Description Specification Implementation

    OpenAIRE

    Srinivasan, Kaushik

    2017-01-01

    Manufacturer Usage Description Specification (MUDS) is aframework under RFC development that aims to automate Internet access control rules for IoT devices . These access controls prevent malicious IoT devices from attacking other devices and also protect the IoT devices from being attacked by other devices.We are implementing this framework and trying to improve its security.

  16. Video personalization for usage environment

    Science.gov (United States)

    Tseng, Belle L.; Lin, Ching-Yung; Smith, John R.

    2002-07-01

    A video personalization and summarization system is designed and implemented incorporating usage environment to dynamically generate a personalized video summary. The personalization system adopts the three-tier server-middleware-client architecture in order to select, adapt, and deliver rich media content to the user. The server stores the content sources along with their corresponding MPEG-7 metadata descriptions. Our semantic metadata is provided through the use of the VideoAnnEx MPEG-7 Video Annotation Tool. When the user initiates a request for content, the client communicates the MPEG-21 usage environment description along with the user query to the middleware. The middleware is powered by the personalization engine and the content adaptation engine. Our personalization engine includes the VideoSue Summarization on Usage Environment engine that selects the optimal set of desired contents according to user preferences. Afterwards, the adaptation engine performs the required transformations and compositions of the selected contents for the specific usage environment using our VideoEd Editing and Composition Tool. Finally, two personalization and summarization systems are demonstrated for the IBM Websphere Portal Server and for the pervasive PDA devices.

  17. Understanding usage patterns of electric kettle and energy saving potential

    International Nuclear Information System (INIS)

    Murray, D.M.; Liao, J.; Stankovic, L.; Stankovic, V.

    2016-01-01

    Highlights: • Time-of-use analysis to motivate kettle usage and consumption prediction. • Identification of households whose kettle usage and consumption is outside the norm. • Mathematical model to estimate water volume from consumed power measurements only. • Quantification of energy savings if a household uses its kettle more efficiently. • Kettle usage and demand prediction using an Adaptive Neuro Fuzzy Inference System. - Abstract: The availability of smart metering and smart appliances enables detecting and characterising appliance use in a household, quantifying energy savings through efficient appliance use and predicting appliance-specific demand from load measurements is possible. With growing electric kettle ownership and usage, lack of any efficiency labelling guidelines for the kettle, slow technological progress in improving kettle efficiency relative to other domestic appliances, and current consumer attitudes, urgent investigation into consumer kettle usage patterns is warranted. From an efficiency point of view, little can be done about the kettle, which is more efficient than other methods of heating water such as the stove top kettle. However, since a majority households use the kettle inefficiently by overfilling, in order to meet energy targets, it is imperative to quantify inefficient usage and predict demand. For the purposes of scalability, we propose tools that depend only on load measurement data for quantifying and visualising kettle usage and energy consumption, assessing energy wastage through overfilling via our proposed electric kettle model, and predicting kettle-specific demand, from which we can estimate potential energy savings in a household and across a housing stock. This is demonstrated using data from a longitudinal study across a sample of 14 UK households for a two-year period.

  18. Student Empowerment Through Internet Usage

    DEFF Research Database (Denmark)

    Purushothaman, Aparna

    2011-01-01

    in a University in Southern India to empower the female students through Internet usage. The study was done to find out the problems the woman students faced in gaining access and using Internet and how they can be empowered through Internet usage. Future workshop was conducted to find out the problems...... and reflecting. The paper will explore the various cultural issues and explicate how the social context plays a major role in the use of Internet even if there is sufficient access. These issues will be addressed from an empowerment perspective. The paper ends by recommending the methods to be adopted for more......Information and Communication Technology (ICT) has been widely recognized as a tool for human development (UNDP 2001). The rate at which ICT are growing is changing the way knowledge is developed, acquired and delivered. (Tongia, et al. 2005) Internet is one of the Information & Communication...

  19. Understanding Mobile Social Media Usage

    DEFF Research Database (Denmark)

    Gan, Chunmei; Tan, Chee-Wee

    2017-01-01

    Despite the increasing popularity and growing trend of mobile social media in China, factors affecting users’ continued usage behavior remains unclear and deserves further scholarly attention. Synthesizing theories of expectation confirmation as well as uses and gratification, we advance a uses...... and gratification expectancy model that depicts how confirmation, perceived usability and gratification affect users’ continuance intention towards mobile social media. Empirical findings from an online survey of 247 respondents reveal that continuance intention is determined by a range of gratifications, including...... information sharing, media appeal and perceived enjoyment. In addition, confirmation of expectations and perceptions of usefulness gleaned through prior usage of mobile social media have significant effects on gratifications of information sharing, perceived enjoyment, social interaction, passing time...

  20. Opportunistic resource usage in CMS

    International Nuclear Information System (INIS)

    Kreuzer, Peter; Hufnagel, Dirk; Dykstra, D; Gutsche, O; Tadel, M; Sfiligoi, I; Letts, J; Wuerthwein, F; McCrea, A; Bockelman, B; Fajardo, E; Linares, L; Wagner, R; Konstantinov, P; Blumenfeld, B; Bradley, D

    2014-01-01

    CMS is using a tiered setup of dedicated computing resources provided by sites distributed over the world and organized in WLCG. These sites pledge resources to CMS and are preparing them especially for CMS to run the experiment's applications. But there are more resources available opportunistically both on the GRID and in local university and research clusters which can be used for CMS applications. We will present CMS' strategy to use opportunistic resources and prepare them dynamically to run CMS applications. CMS is able to run its applications on resources that can be reached through the GRID, through EC2 compliant cloud interfaces. Even resources that can be used through ssh login nodes can be harnessed. All of these usage modes are integrated transparently into the GlideIn WMS submission infrastructure, which is the basis of CMS' opportunistic resource usage strategy. Technologies like Parrot to mount the software distribution via CVMFS and xrootd for access to data and simulation samples via the WAN are used and will be described. We will summarize the experience with opportunistic resource usage and give an outlook for the restart of LHC data taking in 2015.

  1. Facebook usage by students in higher education

    NARCIS (Netherlands)

    Wesseling, N.F.; de la Poza, Elena; Dormènech, Jozep; Lloret, Jaime; Vincent Vela, M. Cinta; Zuriaga Agustí, Elena

    2015-01-01

    In this paper I measure first year student Facebook usage as part of a broader PhD study into the influence of social media usage on the success of students in higher education. A total of 906 students were asked to complete 3 surveys on Facebook usage with their peers, for two consecutive years

  2. USAGE OF BELARUS TRANSIT POSSIBILITIES

    Directory of Open Access Journals (Sweden)

    D. M. Antioushenya

    2009-01-01

    Full Text Available It has been determined that sustainable and safety operation of a transport system and also efficient functioning of transport infrastructure depend on introduction of modern systems and technologies of passenger and load transportation  with usage of logistic approaches. The paper cites results of marketing investigations testifying to availability of the potential for formation of a transport and logistic system in the Republic. A conclusion has been made that realization of the mentioned key ideas shall allow efficiently to integrate in the world economic system.

  3. Collecting conditions usage metadata to optimize current and future ATLAS software and processing

    CERN Document Server

    AUTHOR|(INSPIRE)INSPIRE-00064378; The ATLAS collaboration; Formica, Andrea; Gallas, Elizabeth; Oda, Susumu; Rinaldi, Lorenzo; Rybkin, Grigori; Verducci, Monica

    2017-01-01

    Conditions data (for example: alignment, calibration, data quality) are used extensively in the processing of real and simulated data in ATLAS. The volume and variety of the conditions data needed by different types of processing are quite diverse, so optimizing its access requires a careful understanding of conditions usage patterns. These patterns can be quantified by mining representative log files from each type of processing and gathering detailed information about conditions usage for that type of processing into a central repository.

  4. Codon usage and amino acid usage influence genes expression level.

    Science.gov (United States)

    Paul, Prosenjit; Malakar, Arup Kumar; Chakraborty, Supriyo

    2018-02-01

    Highly expressed genes in any species differ in the usage frequency of synonymous codons. The relative recurrence of an event of the favored codon pair (amino acid pairs) varies between gene and genomes due to varying gene expression and different base composition. Here we propose a new measure for predicting the gene expression level, i.e., codon plus amino bias index (CABI). Our approach is based on the relative bias of the favored codon pair inclination among the genes, illustrated by analyzing the CABI score of the Medicago truncatula genes. CABI showed strong correlation with all other widely used measures (CAI, RCBS, SCUO) for gene expression analysis. Surprisingly, CABI outperforms all other measures by showing better correlation with the wet-lab data. This emphasizes the importance of the neighboring codons of the favored codon in a synonymous group while estimating the expression level of a gene.

  5. Association and Sequence Mining in Web Usage

    Directory of Open Access Journals (Sweden)

    Claudia Elena DINUCA

    2011-06-01

    Full Text Available Web servers worldwide generate a vast amount of information on web users’ browsing activities. Several researchers have studied these so-called clickstream or web access log data to better understand and characterize web users. Clickstream data can be enriched with information about the content of visited pages and the origin (e.g., geographic, organizational of the requests. The goal of this project is to analyse user behaviour by mining enriched web access log data. With the continued growth and proliferation of e-commerce, Web services, and Web-based information systems, the volumes of click stream and user data collected by Web-based organizations in their daily operations has reached astronomical proportions. This information can be exploited in various ways, such as enhancing the effectiveness of websites or developing directed web marketing campaigns. The discovered patterns are usually represented as collections of pages, objects, or re-sources that are frequently accessed by groups of users with common needs or interests. The focus of this paper is to provide an overview how to use frequent pattern techniques for discovering different types of patterns in a Web log database. In this paper we will focus on finding association as a data mining technique to extract potentially useful knowledge from web usage data. I implemented in Java, using NetBeans IDE, a program for identification of pages’ association from sessions. For exemplification, we used the log files from a commercial web site.

  6. Usage of marketing in politics

    Directory of Open Access Journals (Sweden)

    Marić Ivana

    2014-01-01

    Full Text Available Multi-party political system led to competition between political parties which caused the need for marketing in politics that improves political reputation. Politics, based on rich experience of political practice, used existing, developed methods and techniques of commercial marketing. Political marketing openly admits that politics and politicians are simply goods that are being sold on a political market. Political marketing is a whole way of operation by political parties which ask these questions: how do the voters choose; what affects their preference and how that preference can be influenced. Usage of political marketing in Bosnia and Herzegovina is still not on a satisfactory level but the knowledge about the importance of political marketing is increasing.

  7. Transmission usage cost allocation schemes

    International Nuclear Information System (INIS)

    Abou El Ela, A.A.; El-Sehiemy, R.A.

    2009-01-01

    This paper presents different suggested transmission usage cost allocation (TCA) schemes to the system individuals. Different independent system operator (ISO) visions are presented using the proportional rata and flow-based TCA methods. There are two proposed flow-based TCA schemes (FTCA). The first FTCA scheme generalizes the equivalent bilateral exchanges (EBE) concepts for lossy networks through two-stage procedure. The second FTCA scheme is based on the modified sensitivity factors (MSF). These factors are developed from the actual measurements of power flows in transmission lines and the power injections at different buses. The proposed schemes exhibit desirable apportioning properties and are easy to implement and understand. Case studies for different loading conditions are carried out to show the capability of the proposed schemes for solving the TCA problem. (author)

  8. Discovering More Accurate Frequent Web Usage Patterns

    OpenAIRE

    Bayir, Murat Ali; Toroslu, Ismail Hakki; Cosar, Ahmet; Fidan, Guven

    2008-01-01

    Web usage mining is a type of web mining, which exploits data mining techniques to discover valuable information from navigation behavior of World Wide Web users. As in classical data mining, data preparation and pattern discovery are the main issues in web usage mining. The first phase of web usage mining is the data processing phase, which includes the session reconstruction operation from server logs. Session reconstruction success directly affects the quality of the frequent patterns disc...

  9. The Scope of Usage-based Theory

    OpenAIRE

    Paul eIbbotson

    2013-01-01

    Usage-based approaches typically draw on a relatively small set of cognitive processes, such as categorization, analogy, and chunking to explain language structure and function. The goal of this paper is to first review the extent to which the “cognitive commitment” of usage-based theory has had success in explaining empirical findings across domains, including language acquisition, processing, and typology. We then look at the overall strengths and weaknesses of usage-based theory and highli...

  10. Problematic Internet Usage of ICT Teachers

    Science.gov (United States)

    Gunduz, Semseddin

    2017-01-01

    Information and communication technologies (ICT) have affected all area in a society. Human can learn quickly and accurately from the internet. The aim of this study was to investigate what the problematic internet usage of ICT teachers. Therefore, the present study investigated the problematic internet usage, who worked as an ICT teacher in…

  11. Neurotic Anxiety, Pronoun Usage, and Stress

    Science.gov (United States)

    Alban, Lewis Sigmund; Groman, William D.

    1976-01-01

    Attempts to clarify the function of a particular aspect of verbal communication, pronoun usage, by (a) using a Gestalt Therapy theory conceptual framework and (b) experimentally focusing on the relationship of pronoun usage to neurotic anxiety and emotional stress. (Author/RK)

  12. Library training to promote electronic resource usage

    DEFF Research Database (Denmark)

    Frandsen, Tove Faber; Tibyampansha, Dativa; Ibrahim, Glory

    2017-01-01

    Purpose: Increasing the usage of electronic resources is an issue of concern for many libraries all over the world. Several studies stress the importance of information literacy and instruction in order to increase the usage. Design/methodology/approach: The present article presents the results...

  13. Definite Article Usage across Varieties of English

    Science.gov (United States)

    Wahid, Ridwan

    2013-01-01

    This paper seeks to explore the extent of definite article usage variation in several varieties of English based on a classification of its usage types. An annotation scheme based on Hawkins and Prince was developed for this purpose. Using matching corpus data representing Inner Circle varieties and Outer Circle varieties, analysis was made on…

  14. Interactive publications: creation and usage

    Science.gov (United States)

    Thoma, George R.; Ford, Glenn; Chung, Michael; Vasudevan, Kirankumar; Antani, Sameer

    2006-02-01

    As envisioned here, an "interactive publication" has similarities to multimedia documents that have been in existence for a decade or more, but possesses specific differentiating characteristics. In common usage, the latter refers to online entities that, in addition to text, consist of files of images and video clips residing separately in databases, rarely providing immediate context to the document text. While an interactive publication has many media objects as does the "traditional" multimedia document, it is a self-contained document, either as a single file with media files embedded within it, or as a "folder" containing tightly linked media files. The main characteristic that differentiates an interactive publication from a traditional multimedia document is that the reader would be able to reuse the media content for analysis and presentation, and to check the underlying data and possibly derive alternative conclusions leading, for example, to more in-depth peer reviews. We have created prototype publications containing paginated text and several media types encountered in the biomedical literature: 3D animations of anatomic structures; graphs, charts and tabular data; cell development images (video sequences); and clinical images such as CT, MRI and ultrasound in the DICOM format. This paper presents developments to date including: a tool to convert static tables or graphs into interactive entities, authoring procedures followed to create prototypes, and advantages and drawbacks of each of these platforms. It also outlines future work including meeting the challenge of network distribution for these large files.

  15. [Usage of antibiotics in hospitals].

    Science.gov (United States)

    Ternák, G; Almási, I

    1996-12-29

    The authors publish the results of a survey conducted among hospital records of patients discharged from eight inpatient's institutes between 1-31st of January 1995 to gather information on the indications and usage of antibiotics. The institutes were selected from different part of the country to represent the hospital structure as much as possible. Data from the 13,719 documents were recorded and analysed by computer program. It was found that 27.6% of the patients (3749 cases) received antibiotic treatment. 407 different diagnosis and 365 different surgical procedures (as profilaxis) were considered as indications of antibiotic treatment (total: 4450 indications for 5849 antibiotic treatment). The largest group of patients receiving antibiotics was of antibiotic profilaxis (24.56%, 1093 cases), followed by lower respiratory tract infections (19.89%, 849 cases), uroinfections (10.53%, 469 cases) and upper respiratory tract infections. Relatively large group of patients belonged to those who had fever or subfebrility without known reason (7.35%, 327 cases) and to those who did not have any proof in their document indicating the reasons of antibiotic treatment (6.4%, 285 cases). We can not consider the antibiotic indications well founded in those groups of patients (every sixth or every fifth cases). The most frequently used antibiotics were of [2-nd] generation cefalosporins. The rate of nosocomial infections were found as 6.78% average. The results are demonstrated on diagrams and table.

  16. MESUR metrics from scholarly usage of resources

    CERN Document Server

    CERN. Geneva; Van de Sompel, Herbert

    2007-01-01

    Usage data is increasingly regarded as a valuable resource in the assessment of scholarly communication items. However, the development of quantitative, usage-based indicators of scholarly impact is still in its infancy. The Digital Library Research & Prototyping Team at the Los Alamos National Laboratory's Research library has therefore started a program to expand the set of usage-based tools for the assessment of scholarly communication items. The two-year MESUR project, funded by the Andrew W. Mellon Foundation, aims to define and validate a range of usage-based impact metrics, and issue guidelines with regards to their characteristics and proper application. The MESUR project is constructing a large-scale semantic model of the scholarly community that seamlessly integrates a wide range of bibliographic, citation and usage data. Functioning as a reference data set, this model is analyzed to characterize the intricate networks of typed relationships that exist in the scholarly community. The resulting c...

  17. Challenges for future energy usage

    International Nuclear Information System (INIS)

    Rebhan, E.

    2009-01-01

    In the last 2000 years the world's population and the worldwide total energy consumption have been continuously increasing, at a rate even greater than exponential. By now a situation has been reached in which energy resources are running short, which for a long time have been treated as though they were almost inexhaustible. The ongoing growth of the world's population and a growing hunger for energy in underdeveloped and emerging countries imply that the yearly overall energy consumption will continue to grow, by about 1.6 percent every year so that it would have doubled by 2050. This massive energy consumption has led to and is progressively leading to severe changes in our environment and is threatening a climatic state that, for the last 10 000 years, has been unusually benign. The coincidence of the shortage of conventional energy resources with the hazards of an impending climate change is a dangerous threat to the well-being of all, but it is also a challenging opportunity for improvements in our energy usage. On a global scale, conventional methods such as the burning of coal, gas and oil or the use of nuclear fission will still dominate for some time. In their case, the challenge consists in making them more efficient and environmentally benign, and using them only where and when it is unavoidable. Alternative energies must be expanded and economically improved. Among these, promising techniques such as solar thermal and geothermal energy production should be promoted from a shadow existence and further advanced. New technologies, for instance nuclear fusion or transmutation of radioactive nuclear waste, are also quite promising. Finally, a careful analysis of the national and global energy flow systems and intelligent energy management, with emphasis on efficiency, overall effectiveness and sustainability, will acquire increasing importance. Thereby, economic viability, political and legal issues as well as moral aspects such as fairness to disadvantaged

  18. Immersion Suit Usage Within the RAAF

    Science.gov (United States)

    1992-01-01

    IMMERSION SUIT USED UVIC QDIS HOLDINGS 202. in 12 Sizes, held by ALSS 492SQN REQUIREMENTS No comment USAGE POLICY REFERENCE DIRAF) AAP 7215.004-1 (P3C...held by ALSS 492SQN. REQUIREMENTS No comment ISACE POLICY REFERENCE DIIAF) AAP 7215.004-1 (P3C Flight Manual) RAAF Supplement No 92 USAGE POUICY UVIC...TYPE P3C REFERENCE Telecon FLTLT Toft I I SQNfRESO AVMED Dated 22 Mar 91 IMMERSION SUIT USED UVIC QDIS HOLDINGS No comment REQUIREMENTS No comment USAGE

  19. Maximal conservation and minimal usage of blood products in open heart surgery.

    Science.gov (United States)

    Newland, P E; Pastoriza-Pinol, J; McMillan, J; Smith, B F; Stirling, G R

    1980-05-01

    Open heart surgery has previously been associated with the use of large volumes of blood products. This paper describes methods of blood conservation and a simple method of intraoperative autotransfusion that together have resulted in minimal blood product usage in elective open heart surgery cases. This has reduced our dependence on blood bank supplies for the performance of elective open heart surgery.

  20. Problems of Usage Labelling in English Lexicography*

    African Journals Online (AJOL)

    ancies in the contextual usage labelling in the dictionaries were established and are discussed. ..... Likewise, the noun vagrant meaning 'a person who has no job .... tions: Proceedings of the 36th Conference of the American Translators ...

  1. College Student Credit Card Usage and Debt.

    Science.gov (United States)

    Rybka, Kathryn M.

    2001-01-01

    Provides an overview of the concerns related to credit card usage by college students. Offers information student affairs professionals can use to help college students make responsible choices. (Contains 26 references.) (GCP)

  2. Internet Usage and Academic Performance of Undergraduate ...

    African Journals Online (AJOL)

    Internet Usage and Academic Performance of Undergraduate Students in University of Ilorin, Nigeria. ... PROMOTING ACCESS TO AFRICAN RESEARCH. AFRICAN JOURNALS ... This study adopted descriptive survey method. Six faculties ...

  3. Usage Notes in the Oxford American Dictionary.

    Science.gov (United States)

    Berner, R. Thomas

    1981-01-01

    Compares the "Oxford American Dictionary" with the "American Heritage Dictionary." Examines the dictionaries' differences in philosophies of language, introductory essays, and usage notes. Concludes that the "Oxford American Dictionary" is too conservative, paternalistic, and dogmatic for the 1980s. (DMM)

  4. CloudMonitor: Profiling Power Usage

    OpenAIRE

    Smith, James William; Khajeh-Hosseini, Ali; Ward, Jonathan Stuart; Sommerville, Ian

    2012-01-01

    In Cloud Computing platforms the addition of hardware monitoring devices to gather power usage data can be impractical or uneconomical due to the large number of machines to be metered. CloudMonitor, a monitoring tool that can generate power models for software-based power estimation, can provide insights to the energy costs of deployments without additional hardware. Accurate power usage data leads to the possibility of Cloud providers creating a separate tariff for power and therefore incen...

  5. Tattoo inks in general usage contain nanoparticles

    DEFF Research Database (Denmark)

    Høgsberg, T; Löschner, Katrin; Löf, D

    2011-01-01

    the particle sizes in tattoo inks in general usage. Methods The particle size was measured by laser diffraction, electron microscopy and X-ray diffraction. Results The size of the pigments could be divided into three main classes. The black pigments were the smallest, the white pigments the largest...... in general usage is new and may contribute to the understanding of tattoo ink kinetics. How the body responds to NP tattoo pigments should be examined further....

  6. Feature Usage Explorer: Usage Monitoring and Visualization Tool in HTML5 Based Applications

    Directory of Open Access Journals (Sweden)

    Sarunas Marciuska

    2013-10-01

    Full Text Available Feature Usage Explorer is a JavaScript library, which automatically detects features in HTML5 based applications and monitors their usage. The collected information can be visualized in a Feature Usage Diagram, which is automatically generated from an input json file. Currently, the users of Feature Usage Explorer have to design their own tool in order to generate the json file from collected usage information. This option remains viable when using the library in order not to constraint the user’s choice of preferred data storage. Feature Usage Explorer can be reused in any HTML5 based applications where an understanding of how users interact with the system is required (i.e. user experience and usability studies, human computer interaction field, or requirement prioritization area.

  7. Gaming Device Usage Patterns Predict Internet Gaming Disorder: Comparison across Different Gaming Device Usage Patterns

    OpenAIRE

    Soo-Hyun Paik; Hyun Cho; Ji-Won Chun; Jo-Eun Jeong; Dai-Jin Kim

    2017-01-01

    Gaming behaviors have been significantly influenced by smartphones. This study was designed to explore gaming behaviors and clinical characteristics across different gaming device usage patterns and the role of the patterns on Internet gaming disorder (IGD). Responders of an online survey regarding smartphone and online game usage were classified by different gaming device usage patterns: (1) individuals who played only computer games; (2) individuals who played computer games more than smart...

  8. Regulatory applications of the relationships between natural gas usage and weather; Climate information for the application of solar energy

    International Nuclear Information System (INIS)

    Gray, J.A.; Patterson, D.L.; Proctor, M.S.; Warren, H.E.; Robles-Gil, S.

    1997-05-01

    This books includes two articles, each with an abstract dealing with the economic aspects of natural gas usage and solar energy usage both depending on the data about weather forecasting. The demand of natural gas depends on weather and the analysis of gas usage is required in a rate case in order to properly estimate the volumes and revenues that would be recovered from current rate under conditions of normal weather. The actual uses of the principal types of solar energy systems, based on their climatic, technological and economical context are needed for future estimation concerning this energy sources which would have a more significant role in the future

  9. Determination of the usage factor of components after cyclic loading using high-resolution microstructural investigations

    International Nuclear Information System (INIS)

    Seibold, A.; Scheibe, A.; Assmann, H.D.

    1989-01-01

    The usage factor can be derived from the quantification of the structure changes and the allocation of the microstructural state to the fatigue curves of the component materials. Using the example of the low alloy fine grain structural steel 20 Mn Mo Ni 5 5 (annealed structure), the relationship between micro-structure and the number of load cycles is shown in the form of a calibration curve. By high resolution structural investigation, the usage factor can be determined to n = N/N B ≅ 0.5 under given vibration stress. Only a small volume sample is required for the electron microscope examination. (orig./DG) [de

  10. ICT in University Education: Usage and Challenges among ...

    African Journals Online (AJOL)

    This study was a survey which explored ICT usage and challenges among academic staff. Thus, the main purpose of this study was to determine the areas of ICT usage among academic staff; identify the obstacles to their ICT usage and identify their areas of training need in ICT usage. Five research questions were posed ...

  11. Universality and Shannon entropy of codon usage

    CERN Document Server

    Frappat, L; Sciarrino, A; Sorba, Paul

    2003-01-01

    The distribution functions of the codon usage probabilities, computed over all the available GenBank data, for 40 eukaryotic biological species and 5 chloroplasts, do not follow a Zipf law, but are best fitted by the sum of a constant, an exponential and a linear function in the rank of usage. For mitochondriae the analysis is not conclusive. A quantum-mechanics-inspired model is proposed to describe the observed behaviour. These functions are characterized by parameters that strongly depend on the total GC content of the coding regions of biological species. It is predicted that the codon usage is the same in all exonic genes with the same GC content. The Shannon entropy for codons, also strongly depending on the exonic GC content, is computed.

  12. Review of Bison Usage in VERA

    Energy Technology Data Exchange (ETDEWEB)

    Gardner, Russell [Idaho National Lab. (INL), Idaho Falls, ID (United States); Pawlowski, Roger P. [Sandia National Lab. (SNL-NM), Albuquerque, NM (United States); Clarno, Kevin T. [Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Stimpson, Shane G. [Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

    2017-11-01

    Bison is being used in VERA in a variety of ways; this milestone will document an independent review of the current usage of Bison and provide guidance that will improve the accuracy, performance, and consistency in the ways that Bison is used. This task will entail running a suite of small, single and multi-cycle problems with VERA-CS, followed by Bison, and Tiamat (inline) and evaluating the usage. It will also entail performing several detailed ramp to full power solutions to compare the one-way coupled solver with the fully-coupled Tiamat. This will include at least one iteration with the PHI team to incorporate some of the feedback and improve the usage. This work will also be completed in conjunction with an FMC task to evaluate the ability of Bison to model load-follow in a PWR

  13. Heterogeneous mobile phone ownership and usage patterns in Kenya.

    Science.gov (United States)

    Wesolowski, Amy; Eagle, Nathan; Noor, Abdisalan M; Snow, Robert W; Buckee, Caroline O

    2012-01-01

    The rapid adoption of mobile phone technologies in Africa is offering exciting opportunities for engaging with high-risk populations through mHealth programs, and the vast volumes of behavioral data being generated as people use their phones provide valuable data about human behavioral dynamics in these regions. Taking advantage of these opportunities requires an understanding of the penetration of mobile phones and phone usage patterns across the continent, but very little is known about the social and geographical heterogeneities in mobile phone ownership among African populations. Here, we analyze a survey of mobile phone ownership and usage across Kenya in 2009 and show that distinct regional, gender-related, and socioeconomic variations exist, with particularly low ownership among rural communities and poor people. We also examine patterns of phone sharing and highlight the contrasting relationships between ownership and sharing in different parts of the country. This heterogeneous penetration of mobile phones has important implications for the use of mobile technologies as a source of population data and as a public health tool in sub-Saharan Africa.

  14. Development of carrier usage for the treatment of radioactive effluent

    Energy Technology Data Exchange (ETDEWEB)

    Kahraman, A [Cekmece Nuclear Research and Training Center, Istanbul (Turkey)

    1997-02-01

    Low level radioactive liquid wastes are produced in many nuclear applications. Their physico-chemical characteristics may very considerably. Chemical precipitation is a convenient treatment method for the liquid streams of high salinity or solid content containing different radionuclide types. Generally, the concentrations of nuclides in liquid wastes are extremely low. For example, 1000 Bq of {sup 137}Cs makes about 3{center_dot}10{sup -10} g of caesium. Therefore conventional precipitation cannot be applied since the solubility product value is not exceeded. The carriers which are capable to adsorb the nuclides are used to achieve the nuclide removal. Stable isotopes of the nuclide are usually added as the carriers but any reagent which has similar chemical specifications with the nuclide can also be used as the carrier. Precipitation of these non-radioactive carriers ion together with the radionuclide is called co-precipitation. The operational steps of the chemical precipitation process should be established and applied in a treatment facility. Thus, the most suitable carrier for a particular nuclide and its usage conditions are required to be determined. In this study, the carriers for removal of {sup 137}Cs and uranium, their accurate amounts and usage conditions to achieve highest decontamination factors (DF) have been investigated. Residual sludge volumes were evaluated for cementation purposes. The cement composite samples were prepared for each set of experiments and hardening times were measured. 9 refs, 9 figs.

  15. Development of carrier usage for the treatment of radioactive effluent

    International Nuclear Information System (INIS)

    Kahraman, A.

    1997-01-01

    Low level radioactive liquid wastes are produced in many nuclear applications. Their physico-chemical characteristics may very considerably. Chemical precipitation is a convenient treatment method for the liquid streams of high salinity or solid content containing different radionuclide types. Generally, the concentrations of nuclides in liquid wastes are extremely low. For example, 1000 Bq of 137 Cs makes about 3·10 -10 g of caesium. Therefore conventional precipitation cannot be applied since the solubility product value is not exceeded. The carriers which are capable to adsorb the nuclides are used to achieve the nuclide removal. Stable isotopes of the nuclide are usually added as the carriers but any reagent which has similar chemical specifications with the nuclide can also be used as the carrier. Precipitation of these non-radioactive carriers ion together with the radionuclide is called co-precipitation. The operational steps of the chemical precipitation process should be established and applied in a treatment facility. Thus, the most suitable carrier for a particular nuclide and its usage conditions are required to be determined. In this study, the carriers for removal of 137 Cs and uranium, their accurate amounts and usage conditions to achieve highest decontamination factors (DF) have been investigated. Residual sludge volumes were evaluated for cementation purposes. The cement composite samples were prepared for each set of experiments and hardening times were measured. 9 refs, 9 figs

  16. Motivations and usage patterns of Weibo.

    Science.gov (United States)

    Zhang, Lixuan; Pentina, Iryna

    2012-06-01

    Referred to as "Weibo," microblogging in China has witnessed an exponential growth. In addition to the Twitter-like functionality, Weibo allows rich media uploads into user feeds, provides threaded comments, and offers applications, games, and Weibo medals. This expanded functionality, as well as the observed differences in trending content, suggests potentially different user motivations to join Weibo and their usage patterns compared to Twitter. This pioneering study identifies dominant Weibo user motivations and their effects on usage patterns. We discuss the findings of an online survey of 234 Weibo users and suggest managerial implications and future research directions.

  17. Power factor regulation for household usage

    Science.gov (United States)

    Daud, Nik Ghazali Nik; Hashim, Fakroul Ridzuan; Tarmizi, Muhammad Haziq Ahmad

    2018-02-01

    Power factor regulator technology has recently drawn attention to the consumer and to power generation company in order for consumers to use electricity efficiently. Controlling of power factor for efficient usage can reduce the production of power in fulfilment demands hence reducing the greenhouse effect. This paper presents the design method of power factor controller for household usage. There are several methods to improve the power factor. The power factor controller used by this method is by using capacitors. Total harmonic distortion also has become a major problem for the reliability of the electrical appliances and techniques to control it will be discussed.

  18. TOWARDS A USAGE-BASED COGNITIVE PHONOLOGY

    Directory of Open Access Journals (Sweden)

    Gitten Kristiansen

    2006-12-01

    Full Text Available The usage-based conception of language is a major tenet in Cognitive Linguistics, but cognitive phonology has not yet been developed sufficiently in this direction. Often, phonemic analysis is carried out at the high level of abstraction of `a language´, disregarding rich patterns of languageinternal variation. This paper first argues that cognitive phonology must aim at a higher degree of descriptive refinement, especially in the direction of social variation. Then it goes on to examine the implications of a usage-based and multi-faceted model for a theoretical discussion of the phoneme as a prototype category.

  19. Usage models in reliability assessment of software-based systems

    Energy Technology Data Exchange (ETDEWEB)

    Haapanen, P.; Pulkkinen, U. [VTT Automation, Espoo (Finland); Korhonen, J. [VTT Electronics, Espoo (Finland)

    1997-04-01

    This volume in the OHA-project report series deals with the statistical reliability assessment of software based systems on the basis of dynamic test results and qualitative evidence from the system design process. Other reports to be published later on in the OHA-project report series will handle the diversity requirements in safety critical software-based systems, generation of test data from operational profiles and handling of programmable automation in plant PSA-studies. In this report the issues related to the statistical testing and especially automated test case generation are considered. The goal is to find an efficient method for building usage models for the generation of statistically significant set of test cases and to gather practical experiences from this method by applying it in a case study. The scope of the study also includes the tool support for the method, as the models may grow quite large and complex. (32 refs., 30 figs.).

  20. Usage models in reliability assessment of software-based systems

    International Nuclear Information System (INIS)

    Haapanen, P.; Pulkkinen, U.; Korhonen, J.

    1997-04-01

    This volume in the OHA-project report series deals with the statistical reliability assessment of software based systems on the basis of dynamic test results and qualitative evidence from the system design process. Other reports to be published later on in the OHA-project report series will handle the diversity requirements in safety critical software-based systems, generation of test data from operational profiles and handling of programmable automation in plant PSA-studies. In this report the issues related to the statistical testing and especially automated test case generation are considered. The goal is to find an efficient method for building usage models for the generation of statistically significant set of test cases and to gather practical experiences from this method by applying it in a case study. The scope of the study also includes the tool support for the method, as the models may grow quite large and complex. (32 refs., 30 figs.)

  1. Production, Usage, and Comprehension in Animal Vocalizations

    Science.gov (United States)

    Seyfarth, Robert M.; Cheney, Dorothy L.

    2010-01-01

    In this review, we place equal emphasis on production, usage, and comprehension because these components of communication may exhibit different developmental trajectories and be affected by different neural mechanisms. In the animal kingdom generally, learned, flexible vocal production is rare, appearing in only a few orders of birds and few…

  2. Statistical Measures for Usage-Based Linguistics

    Science.gov (United States)

    Gries, Stefan Th.; Ellis, Nick C.

    2015-01-01

    The advent of usage-/exemplar-based approaches has resulted in a major change in the theoretical landscape of linguistics, but also in the range of methodologies that are brought to bear on the study of language acquisition/learning, structure, and use. In particular, methods from corpus linguistics are now frequently used to study distributional…

  3. Twitter Usage of Universities in Turkey

    Science.gov (United States)

    Yolcu, Ozgu

    2013-01-01

    Universities are among the users of the most popular social media networks. Usage of social media by especially students and many other people and institutions, which constitutes the target audience for universities, encourages the universities to effectively use this environment. Twitter is among these social media networks which facilitate the…

  4. Student Time Usage during Fall Reading Week

    Science.gov (United States)

    Cramer, Ken; Pschibul, Rebecca

    2017-01-01

    The present study investigated the time usage and levels of perceived stress, academic workload, and recreation time for 177 students at the University of Windsor before, during, and after Fall Reading Week (FRW). Over a three-week span (at various times of the day), students received a message to their smartphone to complete a 20-second survey…

  5. College Student Performance and Credit Card Usage.

    Science.gov (United States)

    Pinto, Mary Beth; Parente, Diane H.; Palmer, Todd Starr

    2001-01-01

    Examines the relationship between credit card usage, employment, and academic performance among a group of college students with credit cards. Results reveal that the students differed significantly in the level of anxiety felt from carrying debt, perceived need to work, and perceived impact of employment on academic performance. (Contains 57…

  6. Decay-usage scheduling in multiprocessors

    NARCIS (Netherlands)

    Epema, D.H.J.

    1998-01-01

    Decay-usage scheduling is a priority-aging time-sharing scheduling policy capable of dealing with a workload of both interactive and batch jobs by decreasing the priority of a job when it acquires CPU time, and by increasing its priority when it does not use the (a) CPU. In this article we deal with

  7. MESUR: metrics from scholarly usage of resources

    CERN Multimedia

    CERN. Geneva

    2007-01-01

    The MESUR project is constructing a large-scale semantic model of the scholarly community that seamlessly integrates a wide range of bibliographic, citation and usage data. Functioning as a reference data set, this model is analyzed to characterize the intricate networks of typed relationships that exist in the scholarly community. The resulting ...

  8. Aspiration Curettage and its Outpatient Usage

    African Journals Online (AJOL)

    Aspiration Curettage and its Outpatient Usage. D. A. G. BARFORD, M, NOTELOVITZ. SUMMARY ... its use on a number of outpatients without anaesthesia is discussed. S. Afr. Med. l., 48, 22 (1974). In order to ... plastic aspiration chamber and suction is applied centrally at the base of the chamber, a cylindrical filter within the.

  9. An Empirical Investigation of Campus Portal Usage

    Science.gov (United States)

    Saghapour, Mohsen; Iranmanesh, Mohammad; Zailani, Suhaiza; Goh, Gerald Guan Gan

    2018-01-01

    This study has determined the determinants of the perceived ease of use and perceived usefulness and their influence on campus portal usage. A quantitative approach was employed, using a five-point Likert scale questionnaire, adapted from previous studies. Data were gathered through a survey conducted with 341 staff working in the University of…

  10. Slang Usage of French by Young Americans.

    Science.gov (United States)

    Ensz, Kathleen Y.

    1985-01-01

    Describes reactions of native French speakers to usage of French slang by young American students. French-speaking participants rated 30 tape-recorded slang expressions. Their reactions were evaluated in relation to the sex, profession, age, and residence of the respondents. Results show attitudes critical of the use of slang in general. (SED)

  11. Notational usage modulates attention networks in binumerates

    Directory of Open Access Journals (Sweden)

    Atesh eKoul

    2014-05-01

    Full Text Available Multicultural environments require learning multiple number notations wherein some are encountered more frequently than others. This leads to differences in exposure and consequently differences in usage between notations. We find that differential notational usage imposes a significant neurocognitive load on number processing. Despite simultaneous acquisition, forty-two adult binumerate populations, familiar with two positional writing systems namely Hindu Nagari digits and Hindu Arabic digits, reported significantly lower preference and usage for Nagari as compared to Arabic. Twenty-four participants showed significantly increased reaction times and reduced accuracy while performing magnitude comparison tasks in Nagari with respect to Arabic. Functional magnetic resonance imaging revealed that processing Nagari elicited significantly greater activity in number processing and attention networks. A direct subtraction of networks for Nagari and Arabic notations revealed a neural circuit comprising of bilateral intra-parietal sulcus, inferior and mid frontal gyri, fusiform gyrus and the anterior cingulate cortex (FDR p<0.005. Additionally, whole brain correlation analysis showed that activity in the left inferior parietal region was modulated by task performance in Nagari. We attribute the increased activation in Ng to increased task difficulty due to infrequent exposure and usage. Our results reiterate the role of the left intra-parietal sulcus in modulating performance in numeric tasks and highlight that of the attention network for monitoring symbolic notation mode in binumerates.

  12. Usage of cell nomenclature in biomedical literature

    KAUST Repository

    Kafkas, Senay; Sarntivijai, Sirarat; Hoehndorf, Robert

    2017-01-01

    large scale for understanding the level of uptake of cell nomenclature in literature by scientists. In this study, we analyse the usage of cell nomenclature, both in Vivo, and in Vitro in biomedical literature by using text mining methods and present our

  13. Sporforming probiotics and their usage in children

    Directory of Open Access Journals (Sweden)

    Marushko RV

    2015-05-01

    Full Text Available The data of literature about spore-forming probiotics, as well as their usage in the pathology of the gastrointestinal tract in children were sumerised. Analysis of the data allows us to recommend the preparation «Biosporin-Biopharma» for preventive measures and treatment of gastrointestinal tract diseases at all levels of children health care, including infants.

  14. Mobile Device Usage in Higher Education

    Science.gov (United States)

    Delcker, Jan; Honal, Andrea; Ifenthaler, Dirk

    2016-01-01

    This paper focuses on mobile device usage of students in higher education. While more and more students embrace mobile devices in their daily life, institutions attempt to profit from those devices for educational purposes. It is therefore crucial for institutional development to identify students' needs and how mobile devices may facilitate these…

  15. Google Scholar Usage: An Academic Library's Experience

    Science.gov (United States)

    Wang, Ya; Howard, Pamela

    2012-01-01

    Google Scholar is a free service that provides a simple way to broadly search for scholarly works and to connect patrons with the resources libraries provide. The researchers in this study analyzed Google Scholar usage data from 2006 for three library tools at San Francisco State University: SFX link resolver, Web Access Management proxy server,…

  16. The Scope of Usage-based Theory

    Directory of Open Access Journals (Sweden)

    Paul eIbbotson

    2013-05-01

    Full Text Available Usage-based approaches typically draw on a relatively small set of cognitive processes, such as categorization, analogy and chunking to explain language structure and function. The goal of this paper is to first review the extent to which the ‘cognitive commitment’ of usage-based theory has had success in explaining empirical findings across domains, including language acquisition, processing and typology. We then look at the overall strengths and weaknesses of usage-based theory and highlight where there are significant debates. Finally, we draw special attention to a set of culturally generated structural patterns that seem to lie beyond the explanation of core usage-based cognitive processes. In this context we draw a distinction between cognition permitting language structure versus cognition entailing language structure. As well as addressing the need for greater clarity on the mechanisms of generalizations and the fundamental units of grammar, we suggest that integrating culturally generated structures within existing cognitive models of use will generate tighter predictions about how language works.

  17. Codon usage bias and the evolution of influenza A viruses. Codon Usage Biases of Influenza Virus

    Directory of Open Access Journals (Sweden)

    Wong Emily HM

    2010-08-01

    Full Text Available Abstract Background The influenza A virus is an important infectious cause of morbidity and mortality in humans and was responsible for 3 pandemics in the 20th century. As the replication of the influenza virus is based on its host's machinery, codon usage of its viral genes might be subject to host selection pressures, especially after interspecies transmission. A better understanding of viral evolution and host adaptive responses might help control this disease. Results Relative Synonymous Codon Usage (RSCU values of the genes from segment 1 to segment 6 of avian and human influenza viruses, including pandemic H1N1, were studied via Correspondence Analysis (CA. The codon usage patterns of seasonal human influenza viruses were distinct among their subtypes and different from those of avian viruses. Newly isolated viruses could be added to the CA results, creating a tool to investigate the host origin and evolution of viral genes. It was found that the 1918 pandemic H1N1 virus contained genes with mammalian-like viral codon usage patterns, indicating that the introduction of this virus to humans was not through in toto transfer of an avian influenza virus. Many human viral genes had directional changes in codon usage over time of viral isolation, indicating the effect of host selection pressures. These changes reduced the overall GC content and the usage of G at the third codon position in the viral genome. Limited evidence of translational selection pressure was found in a few viral genes. Conclusions Codon usage patterns from CA allowed identification of host origin and evolutionary trends in influenza viruses, providing an alternative method and a tool to understand the evolution of influenza viruses. Human influenza viruses are subject to selection pressure on codon usage which might assist in understanding the characteristics of newly emerging viruses.

  18. Fuel cell usage in motor vehicles

    International Nuclear Information System (INIS)

    Vellone, R.

    1998-01-01

    Much interest has been aroused by fuel cell usage in motor vehicles, since this technology seems to overcome the conventional limits by other kinds of drive, i.e. the high environmental impact of internal-combustion engines and the drawbacks of electric battery vehicles in terms of maximum operating range and battery recharge time. After 2010 its costs are expected to fall in competitive levels with internal-combustion engines [it

  19. Radionuclide usage survey 1979-80

    International Nuclear Information System (INIS)

    Woods, M.J.

    1980-08-01

    Details of a survey by the Life Sciences Working Group of the International Committee for Radionuclide Metrology (ICRM) on radionuclide usage by medical physicists in 11 countries are presented. The results indicate that the radionuclide which will be of most significance in the future will be F-18, Fe-52, Ga-67, Ga-68, Kr-81m, Tc-99m, In-111, I-123, Xe-127 and Tl-201, (U.K.)

  20. Usage of Wifi Technology for PLC Programming

    Directory of Open Access Journals (Sweden)

    Jaromír ŠKUTA

    2009-06-01

    Full Text Available This contribution describes usage of WIFI technology for programming and parameterization of application in PLC. INSYS WLAN unit from the Microelectronics INSYS Corporation is the base of application. Software access point with using USB WIFI component WL167 is running in industrial PC. Particular PC clients are connecting into network infrastructure PLC by the help of this access point and INSYS WLAN unit. This connection allows configuring and uploading program into this PLC.

  1. Correlation matrix for quartet codon usage

    CERN Document Server

    Frappat, L; Sorba, Paul

    2005-01-01

    It has been argued that the sum of usage probabilities for codons, belonging to quartets, that have as third nucleotide C or A, is independent of the biological species for vertebrates. The comparison between the theoretical correlation matrix derived from these sum rules and the experimentally computed matrix for 26 species shows a satisfactory agreement. The Shannon entropy, weakly depending on the biological species, gives further support. Suppression of codons containing the dinucleotides CG or AU is put in evidence.

  2. Problematic Internet Usage and Immune Function

    OpenAIRE

    Reed, P.; Vile, R.; Osborne, L.A.; Romano, M.; Truzoli, R.

    2015-01-01

    Problematic internet use has been associated with a variety of psychological comorbidities, but it relationship with physical illness has not received the same degree of investigation. The current study surveyed 505 participants online, and asked about their levels of problematic internet usage (Internet Addiction Test), depression and anxiety (Hospital Anxiety and Depression Scales), social isolation (UCLA Loneliness Questionnaire), sleep problems (Pittsburgh Sleep Quality Index), and their ...

  3. Porflow Capabilities, Usage, History, and Testing

    International Nuclear Information System (INIS)

    Collard, L.B.

    1998-05-01

    To support closure of the Savannah River Site High Level Waste tanks, the PORFLOW computer program is being applied to predict long term movement of residual contaminants from the tanks. The PORFLOW program has greater capabilities than simpler programs that have been used previously, and PORFLOW results have been accepted by state and federal regulators throughout the United States. This document briefly discusses the PORFLOW capabilities and presents lists of reports showing PORFLOW's usage history and testing

  4. LHCb Computing Resource usage in 2017

    CERN Document Server

    Bozzi, Concezio

    2018-01-01

    This document reports the usage of computing resources by the LHCb collaboration during the period January 1st – December 31st 2017. The data in the following sections have been compiled from the EGI Accounting portal: https://accounting.egi.eu. For LHCb specific information, the data is taken from the DIRAC Accounting at the LHCb DIRAC Web portal: http://lhcb-portal-dirac.cern.ch.

  5. Cost Focussed Firms and Internet Usage

    OpenAIRE

    Joanne Loundes

    2002-01-01

    This paper looks at Internet usage by Australian firms that have a cost focussed competitive strategy. The data source for this analysis is the Melbourne Institute Business Survey, conducted by the Melbourne Institute of Applied Economic and Social Research. The survey was conducted in late 2001, and targeted large Australian firms. Instrumental variables estimation found that cost-focussed organizations utilised the Internet more intensively for both internal organizational activities and ex...

  6. Effects of in-season low-volume high-intensity plyometric training on explosive actions and endurance of young soccer players.

    Science.gov (United States)

    Ramírez-Campillo, Rodrigo; Meylan, César; Alvarez, Cristian; Henríquez-Olguín, Carlos; Martínez, Cristian; Cañas-Jamett, Rodrigo; Andrade, David C; Izquierdo, Mikel

    2014-05-01

    Integrating specific training methods to improve explosive actions and endurance in youth soccer is an essential part of players' development. This study investigated the efficiency of short-term vertical plyometric training program within soccer practice to improve both explosive actions and endurance in young soccer players. Seventy-six players were recruited and assigned either to a training group (TG; n = 38; 13.2 ± 1.8 years) or a control group (CG; n = 38; 13.2 ± 1.8 years) group. All players trained twice per week, but the TG followed a 7-week plyometric program implemented within soccer practice, whereas the CG followed regular practice. Twenty-meter sprint time (20-m), Illinois agility test time, countermovement jump (CMJ) height, 20- (RSI20) and 40- (RSI40) cm drop jump reactive strength index, multiple 5 bounds distance (MB5), maximal kicking test for distance (MKD), and 2.4-km time trial were measured before and after the 7-week period. Plyometric training induced significant (p ≤ 0.05) and small to moderate standardized effect (SE) improvement in the CMJ (4.3%; SE = 0.20), RSI20 (22%; SE = 0.57), RSI40 (16%; SE = 0.37), MB5 (4.1%; SE = 0.28), Illinois agility test time (-3.5%, SE = -0.26), MKD (14%; SE = 0.53), 2.4-km time trial (-1.9%; SE = -0.27) performances but had a trivial and nonsignificant effect on 20-m sprint time (-0.4%; SE = -0.03). No significant improvements were found in the CG. An integrated vertical plyometric program within the regular soccer practice can substitute soccer drills to improve most explosive actions and endurance, but horizontal exercises should also be included to enhance sprinting performance.

  7. Neutrophil and Monocyte Bactericidal Responses to 10 Weeks of Low-Volume High-Intensity Interval or Moderate-Intensity Continuous Training in Sedentary Adults

    Science.gov (United States)

    Shepherd, Sam O.; Wilson, Oliver J.; Adlan, Ahmed M.; Wagenmakers, Anton J. M.; Shaw, Christopher S.; Lord, Janet M.

    2017-01-01

    Neutrophils and monocytes are key components of the innate immune system that undergo age-associated declines in function. This study compared the impact of high-intensity interval training (HIIT) and moderate-intensity continuous training (MICT) on immune function in sedentary adults. Twenty-seven (43 ± 11 years) healthy sedentary adults were randomized into ten weeks of either a HIIT (>90% maximum heart rate) or MICT (70% maximum heart rate) group training program. Aerobic capacity (VO2peak), neutrophil and monocyte bacterial phagocytosis and oxidative burst, cell surface receptor expression, and systemic inflammation were measured before and after the training. Total exercise time commitment was 57% less for HIIT compared to that for MICT while both significantly improved VO2peak similarly. Neutrophil phagocytosis and oxidative burst and monocyte phagocytosis and percentage of monocytes producing an oxidative burst were improved by training similarly in both groups. Expression of monocyte but not neutrophil CD16, TLR2, and TLR4 was reduced by training similarly in both groups. No differences in systemic inflammation were observed for training; however, leptin was reduced in the MICT group only. With similar immune-enhancing effects for HIIT compared to those for MICT at 50% of the time commitment, our results support HIIT as a time efficient exercise option to improve neutrophil and monocyte function. PMID:28656073

  8. Neutrophil and Monocyte Bactericidal Responses to 10 Weeks of Low-Volume High-Intensity Interval or Moderate-Intensity Continuous Training in Sedentary Adults

    Directory of Open Access Journals (Sweden)

    David B. Bartlett

    2017-01-01

    Full Text Available Neutrophils and monocytes are key components of the innate immune system that undergo age-associated declines in function. This study compared the impact of high-intensity interval training (HIIT and moderate-intensity continuous training (MICT on immune function in sedentary adults. Twenty-seven (43 ± 11 years healthy sedentary adults were randomized into ten weeks of either a HIIT (>90% maximum heart rate or MICT (70% maximum heart rate group training program. Aerobic capacity (VO2peak, neutrophil and monocyte bacterial phagocytosis and oxidative burst, cell surface receptor expression, and systemic inflammation were measured before and after the training. Total exercise time commitment was 57% less for HIIT compared to that for MICT while both significantly improved VO2peak similarly. Neutrophil phagocytosis and oxidative burst and monocyte phagocytosis and percentage of monocytes producing an oxidative burst were improved by training similarly in both groups. Expression of monocyte but not neutrophil CD16, TLR2, and TLR4 was reduced by training similarly in both groups. No differences in systemic inflammation were observed for training; however, leptin was reduced in the MICT group only. With similar immune-enhancing effects for HIIT compared to those for MICT at 50% of the time commitment, our results support HIIT as a time efficient exercise option to improve neutrophil and monocyte function.

  9. Perceived driving safety and seatbelt usage.

    Science.gov (United States)

    Svenson, O; Fischhoff, B; MacGregor, D

    1985-04-01

    Swedish and U.S. subjects judged their own driving skills and safety in relation to other drivers. As in earlier studies, most subjects showed an optimism bias: a tendency to judge oneself as safer and more skillful than the average driver, with a smaller risk of getting involved and injured in an accident. Different measures of the optimism effect were strongly correlated with one another, with driving experience and with the judged importance of human factors (as opposed to technical and chance factors) in causing accidents. Degree of optimism was positively, but weakly, correlated with reported seatbelt usage and worry about traffic accidents. Seatbelt usage was positively related to the extent to which belts are judged to be convenient and popular, and more modestly related to the belt's perceived contributions to safety. These results suggest that providing more information about the effectiveness of seatbelts may not be as efficient a way of increasing seatbelt usage as emphasizing other factors, such as comfort and social norms, which cannot be outweighed by optimism.

  10. Usage of the cyclotron facility local area network

    International Nuclear Information System (INIS)

    Heinzmann, H.; Peters, J.; Thow, T.J.

    1988-01-01

    Local area network of controllers at the Karlsruhe cyclotyron is shown. Experience after two years of usage is described. The system is applied controlling, data acquisition, management, databases usage

  11. Comparing usage of a web and app stress management intervention: An observational study

    Directory of Open Access Journals (Sweden)

    Leanne G. Morrison

    2018-06-01

    Full Text Available Choices in the design and delivery of digital health behaviour interventions may have a direct influence on subsequent usage and engagement. Few studies have been able to make direct, detailed comparisons of differences in usage between interventions that are delivered via web or app. This study compared the usage of two versions of a digital stress management intervention, one delivered via a website (Healthy Paths and the other delivered via an app (Healthy Mind. Design modifications were introduced within Healthy Mind to take account of reported differences in how individuals engage with websites compared to apps and mobile phones. Data were collected as part of an observational study nested within a broader exploratory trial of Healthy Mind. Objective usage of Healthy Paths and Healthy Mind were automatically recorded, including frequency and duration of logins, access to specific components within the intervention and order of page/screen visits. Usage was compared for a two week period following initial registration. In total, 381 participants completed the registration process for Healthy Paths (web and 162 participants completed the registration process for Healthy Mind (app. App users logged in twice as often (Mdn = 2.00 as web users (Mdn = 1.00, U = 13,059.50, p ≤ 0.001, but spent half as much time (Mdn = 5.23 min on the intervention compared to web users (Mdn = 10.52 min, U = 19,740.00, p ≤ 0.001. Visual exploration of usage patterns over time revealed that a significantly higher proportion of app users (n = 126, 82.35% accessed both types of support available within the intervention (i.e. awareness and change-focused tools compared to web users (n = 92, 40.17%, χ2(1, n = 382 = 66.60, p < 0.001. This study suggests that the digital platform used to deliver an intervention (i.e. web versus app and specific design choices (e.g. navigation, length and volume of content may be

  12. Burnout and Humor Usage among Community College Nursing Faculty Members.

    Science.gov (United States)

    Talbot, Laura A.

    2000-01-01

    Assesses the correlation of burnout among community college nursing faculty members and their use of humor to mediate academic stress related to burnout. Differences in burnout between high versus low humor usage respondents showed a higher sense of personal accomplishment with high humor usage. Of those with low humor usage, workload was related…

  13. Possible hepatotoxicity of chronic marijuana usage

    Directory of Open Access Journals (Sweden)

    Paulo Borini

    Full Text Available CONTEXT: Hepatotoxicity is a potential complication from the usage of various illicit drugs, possibly consequent to their liver metabolism, but information on this is scarce in the medical literature. OBJECTIVE: To study the occurrence of clinical and laboratory hepatic alterations in chronic marijuana users, from the use of marijuana on its own or in association with other legal or illicit drugs. TYPE OF STUDY: transversal study SETTING: Hospital Espírita de Marília, Marília, São Paulo, Brazil PARTICIPANTS: The study was made among 123 patients interned in the Hospital Espírita de Marília from October 1996 to December 1998, divided into 3 groups: 26 (21% using only marijuana, 83 (67.5% using marijuana and crack, and 14 (11.4% consuming marijuana and alcohol. PROCEDURES AND MAIN MEASUREMENTS: Patients were examined clinically with special emphasis on types of drugs used, drug intake route, age when consumption began, length and pattern of usage, presence of tattooing, jaundice, hepatomegaly and splenomegaly. Serum determinations of total proteins, albumin, globulin, total and fractions of bilirubin, aspartate (AST and alanine (ALT aminotransferases, alkaline phosphatase (AP, gamma-glutamyltransferase and prothrombin activity were performed. RESULTS: Among users of only marijuana, hepatomegaly was observed in 57.7% and splenomegaly in 73.1%, and slightly elevated AST (42.3%, ALT (34.6% and AP (53.8%. The three groups did not differ significantly in the prevalence of hepatomegaly, splenomegaly and hepatosplenomegaly. The group using both marijuana and alcohol showed the highest prevalence of alterations and highest levels of aminotransferases. Mean AP levels were above normal in all groups. CONCLUSIONS: Chronic marijuana usage, on its own or in association with other drugs, was associated with hepatic morphologic and enzymatic alterations. This indicates that cannabinoids are possible hepatotoxic substances.

  14. Roflumilast Usage from 2010 to 2016

    DEFF Research Database (Denmark)

    Salvesen, Øyvind Nicolay Ulland; Davidsen, Jesper Rømhild; Pottegård, Anton

    2018-01-01

    Roflumilast, a phosphodiesterase-4-inhibitor, is marketed as add-on treatment to inhaled bronchodilators and corticosteroids in COPD patients with frequent exacerbations. Although marketed since 2010, usage pattern of roflumilast for an entire nation has not previously been explored. This study...... (OR 0.62; 95% CI 0.49-0.80). The decreasing incidence and high level of early roflumilast discontinuation could be due to lack of benefit, a low awareness of romiflulast's indication among physicians, secondary to a challenging prescribing procedure, or to adverse effects. This article is protected...

  15. An assessment of worldwide supercomputer usage

    Energy Technology Data Exchange (ETDEWEB)

    Wasserman, H.J.; Simmons, M.L.; Hayes, A.H.

    1995-01-01

    This report provides a comparative study of advanced supercomputing usage in Japan and the United States as of Spring 1994. It is based on the findings of a group of US scientists whose careers have centered on programming, evaluating, and designing high-performance supercomputers for over ten years. The report is a follow-on to an assessment of supercomputing technology in Europe and Japan that was published in 1993. Whereas the previous study focused on supercomputer manufacturing capabilities, the primary focus of the current work was to compare where and how supercomputers are used. Research for this report was conducted through both literature studies and field research in Japan.

  16. Possible hepatotoxicity of chronic marijuana usage

    OpenAIRE

    Borini, Paulo; Guimarães, Romeu Cardoso; Borini, Sabrina Bicalho

    2004-01-01

    CONTEXT: Hepatotoxicity is a potential complication from the usage of various illicit drugs, possibly consequent to their liver metabolism, but information on this is scarce in the medical literature. OBJECTIVE: To study the occurrence of clinical and laboratory hepatic alterations in chronic marijuana users, from the use of marijuana on its own or in association with other legal or illicit drugs. TYPE OF STUDY: transversal study SETTING: Hospital Espírita de Marília, Marília, São Paulo, Braz...

  17. LSF usage for batch at CERN

    CERN Multimedia

    Schwickerath, Ulrich

    2007-01-01

    Contributed poster to the CHEP07. Original abstract: LSF 7, the latest version of Platform's batch workload management system, addresses many issues which limited the ability of LSF 6.1 to support large scale batch farms, such as the lxbatch service at CERN. In this paper we will present the status of the evaluation and deployment of LSF 7 at CERN, including issues concerning the integration of LSF 7 with the gLite grid middleware suite and, in particular, the steps taken to endure an efficient reporting of the local batch system status and usage to the Grid Information System

  18. Usage of burnable poison on research reactors

    International Nuclear Information System (INIS)

    Villarino, Eduardo Anibal

    2002-01-01

    The fuel assemblies with burnable poison are widely used on power reactors, but there are not commonly used on research reactors. This paper shows a neutronic analysis of the advantages and disadvantages of the burnable poison usage on research reactors. This paper analyses both burnable poison design used on research reactors: Boron on the lateral wall and Cadmium wires. Both designs include a parametric study on the design parameters like the amount and geometry of the burnable poison. This paper presents the design flexibility using burnable poisons, it does not find an optimal or final design, which it will strongly depend on the core characteristics and fuel management strategy. (author)

  19. User Behavior Assessment of Household Electric Usage

    Directory of Open Access Journals (Sweden)

    Nur Budi Mulyono

    2014-02-01

    Full Text Available Abstract. Energy resilience is one of the famous issues among researchers and practitioners in energy sector. With enabling new technologies in power engineering for smart grid such as distributed generation, distributed storage, and intelligent information and management, each household community can establish a resilience energy production, distribution, and consumption. A household in smart grid system behaves as a customer and producer at the same time. This condition enabled them to reduce the power shortage in the peak hours, reduce CO2 pollution using renewable electricity, and minimizing electricity usage by changing life style. In developing countries, the amount of electricity supply is less than its demand. Most of the demand comes from the household that has peak load on nighttime. Keywords: User behavior, Game theory, Smart grid, Heating and cooling appliances, Energy resilientdoi:10.12695/ajtm.2013.6.2.1 How to cite this article:Mulyono, N. B. (2013. User Behavior Assessment of Household Electric Usage. The Asian Journal of Technology Management 6 (2: 65-71. Print ISSN: 1978-6956; Online ISSN: 2089-791X. doi:10.12695/ajtm.2013.6.2.1  

  20. Problematic Internet Usage and Immune Function.

    Science.gov (United States)

    Reed, Phil; Vile, Rebecca; Osborne, Lisa A; Romano, Michela; Truzoli, Roberto

    2015-01-01

    Problematic internet use has been associated with a variety of psychological comorbidities, but it relationship with physical illness has not received the same degree of investigation. The current study surveyed 505 participants online, and asked about their levels of problematic internet usage (Internet Addiction Test), depression and anxiety (Hospital Anxiety and Depression Scales), social isolation (UCLA Loneliness Questionnaire), sleep problems (Pittsburgh Sleep Quality Index), and their current health - General Health Questionnaire (GHQ-28), and the Immune Function Questionnaire. The results demonstrated that around 30% of the sample displayed mild or worse levels of internet addiction, as measured by the IAT. Although there were differences in the purposes for which males and females used the internet, there were no differences in terms of levels of problematic usage between genders. The internet problems were strongly related to all of the other psychological variables such as depression, anxiety, social-isolation, and sleep problems. Internet addiction was also associated with reduced self-reported immune function, but not with the measure of general health (GHQ-28). This relationship between problematic internet use and reduced immune function was found to be independent of the impact of the co-morbidities. It is suggested that the negative relationship between level of problematic internet use and immune function may be mediated by levels of stress produced by such internet use, and subsequent sympathetic nervous activity, which related to immune-supressants, such as cortisol.

  1. Usage of cell nomenclature in biomedical literature

    KAUST Repository

    Kafkas, Senay

    2017-12-21

    Background Cell lines and cell types are extensively studied in biomedical research yielding to a significant amount of publications each year. Identifying cell lines and cell types precisely in publications is crucial for science reproducibility and knowledge integration. There are efforts for standardisation of the cell nomenclature based on ontology development to support FAIR principles of the cell knowledge. However, it is important to analyse the usage of cell nomenclature in publications at a large scale for understanding the level of uptake of cell nomenclature in literature by scientists. In this study, we analyse the usage of cell nomenclature, both in Vivo, and in Vitro in biomedical literature by using text mining methods and present our results. Results We identified 59% of the cell type classes in the Cell Ontology and 13% of the cell line classes in the Cell Line Ontology in the literature. Our analysis showed that cell line nomenclature is much more ambiguous compared to the cell type nomenclature. However, trends indicate that standardised nomenclature for cell lines and cell types are being increasingly used in publications by the scientists. Conclusions Our findings provide an insight to understand how experimental cells are described in publications and may allow for an improved standardisation of cell type and cell line nomenclature as well as can be utilised to develop efficient text mining applications on cell types and cell lines. All data generated in this study is available at https://github.com/shenay/CellNomenclatureStudy.

  2. Problematic Internet Usage and Immune Function.

    Directory of Open Access Journals (Sweden)

    Phil Reed

    Full Text Available Problematic internet use has been associated with a variety of psychological comorbidities, but it relationship with physical illness has not received the same degree of investigation. The current study surveyed 505 participants online, and asked about their levels of problematic internet usage (Internet Addiction Test, depression and anxiety (Hospital Anxiety and Depression Scales, social isolation (UCLA Loneliness Questionnaire, sleep problems (Pittsburgh Sleep Quality Index, and their current health - General Health Questionnaire (GHQ-28, and the Immune Function Questionnaire. The results demonstrated that around 30% of the sample displayed mild or worse levels of internet addiction, as measured by the IAT. Although there were differences in the purposes for which males and females used the internet, there were no differences in terms of levels of problematic usage between genders. The internet problems were strongly related to all of the other psychological variables such as depression, anxiety, social-isolation, and sleep problems. Internet addiction was also associated with reduced self-reported immune function, but not with the measure of general health (GHQ-28. This relationship between problematic internet use and reduced immune function was found to be independent of the impact of the co-morbidities. It is suggested that the negative relationship between level of problematic internet use and immune function may be mediated by levels of stress produced by such internet use, and subsequent sympathetic nervous activity, which related to immune-supressants, such as cortisol.

  3. Problematic Internet Usage and Immune Function

    Science.gov (United States)

    Reed, Phil; Vile, Rebecca; Osborne, Lisa A.; Romano, Michela; Truzoli, Roberto

    2015-01-01

    Problematic internet use has been associated with a variety of psychological comorbidities, but it relationship with physical illness has not received the same degree of investigation. The current study surveyed 505 participants online, and asked about their levels of problematic internet usage (Internet Addiction Test), depression and anxiety (Hospital Anxiety and Depression Scales), social isolation (UCLA Loneliness Questionnaire), sleep problems (Pittsburgh Sleep Quality Index), and their current health – General Health Questionnaire (GHQ-28), and the Immune Function Questionnaire. The results demonstrated that around 30% of the sample displayed mild or worse levels of internet addiction, as measured by the IAT. Although there were differences in the purposes for which males and females used the internet, there were no differences in terms of levels of problematic usage between genders. The internet problems were strongly related to all of the other psychological variables such as depression, anxiety, social-isolation, and sleep problems. Internet addiction was also associated with reduced self-reported immune function, but not with the measure of general health (GHQ-28). This relationship between problematic internet use and reduced immune function was found to be independent of the impact of the co-morbidities. It is suggested that the negative relationship between level of problematic internet use and immune function may be mediated by levels of stress produced by such internet use, and subsequent sympathetic nervous activity, which related to immune-supressants, such as cortisol. PMID:26244339

  4. Multiple Usage of Existing Satellite Sensors (PREPRINT)

    National Research Council Canada - National Science Library

    Keeney, James T

    2006-01-01

    .... Space offers a near-perfect vacuum to operate a passive or active sensor. Volume, mass and power on satellites is limited and risk management approaches tended to remove such sensors from satellite systems...

  5. Multiple Usage of Existing Satellite Sensors

    National Research Council Canada - National Science Library

    Keeney, James T

    2006-01-01

    .... Space offers a near-perfect vacuum to operate a passive or active sensor. Volume, mass and power on satellites is limited and risk management approaches tended to remove such sensors from satellite systems...

  6. Gaming Device Usage Patterns Predict Internet Gaming Disorder: Comparison across Different Gaming Device Usage Patterns

    Science.gov (United States)

    Cho, Hyun; Chun, Ji-Won; Jeong, Jo-Eun; Kim, Dai-Jin

    2017-01-01

    Gaming behaviors have been significantly influenced by smartphones. This study was designed to explore gaming behaviors and clinical characteristics across different gaming device usage patterns and the role of the patterns on Internet gaming disorder (IGD). Responders of an online survey regarding smartphone and online game usage were classified by different gaming device usage patterns: (1) individuals who played only computer games; (2) individuals who played computer games more than smartphone games; (3) individuals who played computer and smartphone games evenly; (4) individuals who played smartphone games more than computer games; (5) individuals who played only smartphone games. Data on demographics, gaming-related behaviors, and scales for Internet and smartphone addiction, depression, anxiety disorder, and substance use were collected. Combined users, especially those who played computer and smartphone games evenly, had higher prevalence of IGD, depression, anxiety disorder, and substance use disorder. These subjects were more prone to develop IGD than reference group (computer only gamers) (B = 0.457, odds ratio = 1.579). Smartphone only gamers had the lowest prevalence of IGD, spent the least time and money on gaming, and showed lowest scores of Internet and smartphone addiction. Our findings suggest that gaming device usage patterns may be associated with the occurrence, course, and prognosis of IGD. PMID:29206183

  7. Cloud Usage Patterns : A Formalism for Description of Cloud Usage Scenarios

    NARCIS (Netherlands)

    Milenkoski, Aleksandar; Iosup, Alexandru; Kounev, Samuel; Sachs, Kai; Rygielski, Piotr; Ding, Jason; Cirne, Walfredo; Rosenberg, Florian

    2014-01-01

    Cloud computing is becoming an increasingly lucrative branch of the existing information and communication technologies (ICT). Enabling a debate about cloud usage scenarios can help with attracting new customers, sharing best-practices, and designing new cloud services. In contrast to previous

  8. Gaming Device Usage Patterns Predict Internet Gaming Disorder: Comparison across Different Gaming Device Usage Patterns.

    Science.gov (United States)

    Paik, Soo-Hyun; Cho, Hyun; Chun, Ji-Won; Jeong, Jo-Eun; Kim, Dai-Jin

    2017-12-05

    Gaming behaviors have been significantly influenced by smartphones. This study was designed to explore gaming behaviors and clinical characteristics across different gaming device usage patterns and the role of the patterns on Internet gaming disorder (IGD). Responders of an online survey regarding smartphone and online game usage were classified by different gaming device usage patterns: (1) individuals who played only computer games; (2) individuals who played computer games more than smartphone games; (3) individuals who played computer and smartphone games evenly; (4) individuals who played smartphone games more than computer games; (5) individuals who played only smartphone games. Data on demographics, gaming-related behaviors, and scales for Internet and smartphone addiction, depression, anxiety disorder, and substance use were collected. Combined users, especially those who played computer and smartphone games evenly, had higher prevalence of IGD, depression, anxiety disorder, and substance use disorder. These subjects were more prone to develop IGD than reference group (computer only gamers) (B = 0.457, odds ratio = 1.579). Smartphone only gamers had the lowest prevalence of IGD, spent the least time and money on gaming, and showed lowest scores of Internet and smartphone addiction. Our findings suggest that gaming device usage patterns may be associated with the occurrence, course, and prognosis of IGD.

  9. Gaming Device Usage Patterns Predict Internet Gaming Disorder: Comparison across Different Gaming Device Usage Patterns

    Directory of Open Access Journals (Sweden)

    Soo-Hyun Paik

    2017-12-01

    Full Text Available Gaming behaviors have been significantly influenced by smartphones. This study was designed to explore gaming behaviors and clinical characteristics across different gaming device usage patterns and the role of the patterns on Internet gaming disorder (IGD. Responders of an online survey regarding smartphone and online game usage were classified by different gaming device usage patterns: (1 individuals who played only computer games; (2 individuals who played computer games more than smartphone games; (3 individuals who played computer and smartphone games evenly; (4 individuals who played smartphone games more than computer games; (5 individuals who played only smartphone games. Data on demographics, gaming-related behaviors, and scales for Internet and smartphone addiction, depression, anxiety disorder, and substance use were collected. Combined users, especially those who played computer and smartphone games evenly, had higher prevalence of IGD, depression, anxiety disorder, and substance use disorder. These subjects were more prone to develop IGD than reference group (computer only gamers (B = 0.457, odds ratio = 1.579. Smartphone only gamers had the lowest prevalence of IGD, spent the least time and money on gaming, and showed lowest scores of Internet and smartphone addiction. Our findings suggest that gaming device usage patterns may be associated with the occurrence, course, and prognosis of IGD.

  10. Analysis of synonymous codon usage patterns in the genus Rhizobium.

    Science.gov (United States)

    Wang, Xinxin; Wu, Liang; Zhou, Ping; Zhu, Shengfeng; An, Wei; Chen, Yu; Zhao, Lin

    2013-11-01

    The codon usage patterns of rhizobia have received increasing attention. However, little information is available regarding the conserved features of the codon usage patterns in a typical rhizobial genus. The codon usage patterns of six completely sequenced strains belonging to the genus Rhizobium were analysed as model rhizobia in the present study. The relative neutrality plot showed that selection pressure played a role in codon usage in the genus Rhizobium. Spearman's rank correlation analysis combined with correspondence analysis (COA) showed that the codon adaptation index and the effective number of codons (ENC) had strong correlation with the first axis of the COA, which indicated the important role of gene expression level and the ENC in the codon usage patterns in this genus. The relative synonymous codon usage of Cys codons had the strongest correlation with the second axis of the COA. Accordingly, the usage of Cys codons was another important factor that shaped the codon usage patterns in Rhizobium genomes and was a conserved feature of the genus. Moreover, the comparison of codon usage between highly and lowly expressed genes showed that 20 unique preferred codons were shared among Rhizobium genomes, revealing another conserved feature of the genus. This is the first report of the codon usage patterns in the genus Rhizobium.

  11. Do usage and scientific collaboration associate with citation impact

    Energy Technology Data Exchange (ETDEWEB)

    Chi, P.S.; Glänzel, W.

    2016-07-01

    In this study usage counts and times cited from Web of Science Core Collection (WoS) were collected for each article published in 2013 with Belgian, Israeli and Iranian addresses. We investigate the relations among three indicators related to citation impact, usage counts coauthorship, respectively. In addition, we apply the method of Characteristic Scores and Scal (CSS) to analyse the distributions of citations and usage counts. The results show that citations and usage counts in WoS correlate to each other significantly, especially in the social sciences. However, the increase of the number of co-authors does not increase usage counts or citations significantly. Furthermore, the stability of CSS-class distributions proves the availability of CSS in characterising both usage and citation distributions. (Author)

  12. Le Feu et ses Usages Militaires

    Directory of Open Access Journals (Sweden)

    Finó, J. F.

    1970-12-01

    Full Text Available LE feu a toujours été une arme puissante. L'homme préhistorique, les Assyriens, les Grecs, les Byzantins, les Arabes, les bombes incendiaires de notre aviation, autant d'exemples de son usage militaire dans des pays et des temps fort divers. De plus, une de ses variantes, le feu grégeois pulvérulent, a été à l'origine de la poudre à canon. Il a donc paru intéressant de rassembler quelques données à ce sujet et de rappeler briévement la production des feux de guerre, leur lancement et la défense contre ses effets. Accessoirement, de dire quelques mots sur une autre branche de la chimie de guerre: les gaz asphyxiants.

  13. Medication usage in Majuro, Marshall Islands.

    Science.gov (United States)

    Harding, Andrew

    2005-03-01

    To conduct a drug utilisation study to determine the top 50 drugs by prescription count, top 50 drugs by cost to government and the top 30 drugs by consumption for Majuro Atoll, Marshall Islands for the year 2003. Data was collected from the Majuro Hospital computer dispensing system. All outpatient prescriptions dispensed in the year 2003 were included. The defined daily dose (DDD) methodology was employed. Drug consumption was presented as DDD/1000 population/day. The top 5 drugs by consumption in Majuro for 2003 were glibenclamide (glyburide), enalapril, ferrous sulphate, amoxycillin and ascorbic acid. Values for the DDD/1000 population/day were on average lower than many other countries. This is the first local study of medication usage in the Marshall Islands. It provided some useful baseline data.

  14. IceProd 2 Usage Experience

    Science.gov (United States)

    Delventhal, D.; Schultz, D.; Diaz Velez, J. C.

    2017-10-01

    IceProd is a data processing and management framework developed by the IceCube Neutrino Observatory for processing of Monte Carlo simulations, detector data, and data driven analysis. It runs as a separate layer on top of grid and batch systems. This is accomplished by a set of daemons which process job workflow, maintaining configuration and status information on the job before, during, and after processing. IceProd can also manage complex workflow DAGs across distributed computing grids in order to optimize usage of resources. IceProd has recently been rewritten to increase its scaling capabilities, handle user analysis workflows together with simulation production, and facilitate the integration with 3rd party scheduling tools. IceProd 2, the second generation of IceProd, has been running in production for several months now. We share our experience setting up the system and things we’ve learned along the way.

  15. Eye cosmetic usage and associated ocular comfort.

    Science.gov (United States)

    Ng, Alison; Evans, Katharine; North, Rachel; Purslow, Christine

    2012-11-01

    Eye cosmetics usage is commonplace and whilst some products such as eyeliner are applied with close proximity to the ocular surface, there is little knowledge of the short- and long-term ocular effects of eye cosmetic formulations. This study aimed to investigate the use of eye cosmetics and identify any relationships between ocular comfort and cosmetic usage. Results were collated from an online survey comprising 23 questions that recorded demographics, Ocular Surface Disease Index (OSDI) score, extent and range of eye cosmetic use and perceived comfort differences with and without eye cosmetics. The 1360 female respondents (median age 25, interquartile range 20-34 years) completed the survey; 83% reported using eye cosmetics regularly (≥ 3 times per week) with mascara being most commonly used. Fifty three per cent used at least three different eye cosmetics products regularly. OSDI scores of cosmetics users were similar to non-users (p = 0.083), but perceived comfort was greater when cosmetics were not used (p cosmetics users (use of products cosmetics were used. Median OSDI scores suggested a trend towards reduced comfort amongst eyeliner users (p = 0.07) although frequency and type of cosmetic products used did not appear to influence OSDI scores. This study shows the use of multiple eye cosmetics is extensive and associated with the perception of ocular discomfort. With such widespread use of these products, more research is required to assess the effect on the ocular surface and tear film, which may be underestimated. Ophthalmic & Physiological Optics © 2012 The College of Optometrists.

  16. Estimating Usage Can Reduce the Stress of Social Networking

    OpenAIRE

    Zhou, Y.; Bird, J.; Cox, A. L.; Brumby, D.

    2013-01-01

    Social networks are increasingly popular and provide benefits such as easy peer group communication. However, there is evidence that they can have negative consequences, such as increased stress levels. For two weeks, we provided participants with an objective measure of their social network usage and also asked them for a daily estimate of their usage over the previous 24 hours. Although their social network usage did not significantly change, participants’ perception of this activity was tr...

  17. 50 CFR 600.910 - Definitions and word usage.

    Science.gov (United States)

    2010-10-01

    ... 50 Wildlife and Fisheries 8 2010-10-01 2010-10-01 false Definitions and word usage. 600.910..., Consultation, and Recommendations § 600.910 Definitions and word usage. (a) Definitions. In addition to the... undertaken by a state agency. (b) Word usage. The terms “must”, “shall”, “should”, “may”, “may not”, “will...

  18. 50 CFR 600.810 - Definitions and word usage.

    Science.gov (United States)

    2010-10-01

    ... 50 Wildlife and Fisheries 8 2010-10-01 2010-10-01 false Definitions and word usage. 600.810...) § 600.810 Definitions and word usage. (a) Definitions. In addition to the definitions in the Magnuson...-Stevens Act. (b) Word usage. The terms “must”, “shall”, “should”, “may”, “may not”, “will”, “could”, and...

  19. Health-related behaviors and technology usage among college students.

    Science.gov (United States)

    Melton, Bridget F; Bigham, Lauren E; Bland, Helen W; Bird, Matthew; Fairman, Ciaran

    2014-07-01

    To examine associations between technology usage and specific health factors among college students. The research employed was a quantitative, descriptive, cross-sectional design; undergraduate students enrolled in spring 2012 general health education courses were recruited to participate. To explore college students' specific technology usage and health-related behaviors, a 28-item questionnaire was utilized. Statistical significant differences of technology usage were found between 3 of the 4 health-related behaviors under study (BMI, sleep, and nutrition) (p technology usage continues to evolve within the college student population, health professionals need to understand its implications on health behaviors.

  20. Indicators for the Data Usage Index (DUI): an incentive for publishing primary biodiversity data through global information infrastructure

    DEFF Research Database (Denmark)

    Ingwersen, Peter; Chavan, Vishwas

    2011-01-01

    download instances. The DUI is proposed to include relative as well as species profile weighted comparative indicators. Conclusions We believe that in addition to the recognition to the data publisher and all players involved in the data life cycle, a DUI will also provide much needed yet novel insight...... into how users use primary biodiversity data. A DUI consisting of a range of usage indicators obtained from the GBIF network and other relevant access points is within reach. The usage of biodiversity datasets leads to the development of a family of indicators in line with well known citation-based......Background A professional recognition mechanism is required to encourage expedited publishing of an adequate volume of 'fit-for-use' biodiversity data. As a component of such a recognition mechanism, we propose the development of the Data Usage Index (DUI) to demonstrate to data publishers...

  1. Influence of Routine MV CBCT Usage on Dose Distribution in Pelvic Radiotherapy

    International Nuclear Information System (INIS)

    Faj, D.; Kasabasic, M.; Ivkovic, A.; Tomas, I.; Jurkovic, S.

    2013-01-01

    The pelvic radiotherapy is a standard treatment for patients with cervical, uterine and rectal carcinomas. During radiation treatment open tabletop device or bellyboard is used to reduce the side effects of healthy surrounding tissue. Patients are continually adjusting to the bellyboard during the treatment which causes geometrical and dosage uncertainties and influences the results of the treatment. Therefore, to reduce these uncertainties, megavoltage cone-beam computed tomography (MV CBCT) system is used. The objective of this research was to evaluate the image acquisition dose delivered to patients from MV CBCT. MV CBCT imaging was simulated on 15 patients using 3D treatment planning software XiO (CMS Inc., St. Louis, MO). The influence of the routine MV CBCT usage on treatment plan was investigated by analyzing the changes in dose volume histograms, mean values and maximum doses in the planning volumes. Simulations have shown that daily usage of MV CBCT causes differences in the dose volume histograms. Moreover, for every patient mean value exceeded prescribed tolerance (±1% of the prescribed dose) and maximum value exceeded recommended maximum of 107% of the prescribed dose. The results have shown that MV CBCT dose to the patient should be a part of the RT plan.(author)

  2. Storms and Water Usage; Swine Flu

    Science.gov (United States)

    Edwards, C. C.; Muttiah, Daniel

    2009-01-01

    This article offers a contemporary, authentic application of quantitative reasoning based on media clips. Students analyze items from the media to answer mathematical questions related to the article. Volumes, economics, and growth rates of a pandemic are featured in the two clips presented. (Contains 4 figures and 1 table.)

  3. Describing Speech Usage in Daily Activities in Typical Adults.

    Science.gov (United States)

    Anderson, Laine; Baylor, Carolyn R; Eadie, Tanya L; Yorkston, Kathryn M

    2016-01-01

    "Speech usage" refers to what people want or need to do with their speech to meet communication demands in life roles. The purpose of this study was to contribute to validation of the Levels of Speech Usage scale by providing descriptive data from a sample of adults without communication disorders, comparing this scale to a published Occupational Voice Demands scale and examining predictors of speech usage levels. This is a survey design. Adults aged ≥25 years without reported communication disorders were recruited nationally to complete an online questionnaire. The questionnaire included the Levels of Speech Usage scale, questions about relevant occupational and nonoccupational activities (eg, socializing, hobbies, childcare, and so forth), and demographic information. Participants were also categorized according to Koufman and Isaacson occupational voice demands scale. A total of 276 participants completed the questionnaires. People who worked for pay tended to report higher levels of speech usage than those who do not work for pay. Regression analyses showed employment to be the major contributor to speech usage; however, considerable variance left unaccounted for suggests that determinants of speech usage and the relationship between speech usage, employment, and other life activities are not yet fully defined. The Levels of Speech Usage may be a viable instrument to systematically rate speech usage because it captures both occupational and nonoccupational speech demands. These data from a sample of typical adults may provide a reference to help in interpreting the impact of communication disorders on speech usage patterns. Copyright © 2016 The Voice Foundation. Published by Elsevier Inc. All rights reserved.

  4. Investigation of hydrogen usage in aviation industry

    International Nuclear Information System (INIS)

    Yılmaz, İlker; İlbaş, Mustafa; Taştan, Murat; Tarhan, Cevahir

    2012-01-01

    Highlights: ► We examine usage of liquid hydrogen as a fuel in aircrafts. ► Engine performance is a little better for liquid hydrogen fuel than kerosene. ► Liquid hydrogen can be a potential alternative to kerosene as aviation fuel. ► Usage of liquid hydrogen will provide national independence for fuel supply. ► Increased production of liquid hydrogen will decrease its cost disadvantage. - Abstract: Fossil-based fuels are commonly used in aircraft engines but they have a polluting effect and they cause a greenhouse effect for our world. This study reports a research about aircraft gas turbine engines which are fired by liquid hydrogen (LH 2 ) in terms of performance and environmental aspects. Also, the performance and emissions of LH 2 fueled engines are compared with those of kerosene fired aircraft engines. Same flights from Istanbul to London, and Paris to Kabul are examined to estimate the emission from a conventional aircraft as an application in aviation sector. It is shown that the amount of NO x , HC and CO emissions for traveling by a conventional aircraft for London is 78.36, 1.202 and 22.4 kg, while Paris is 71.55, 1.171 and 21.63 kg, and Kabul is 111.44, 1.36 and 26.11 kg, respectively. For the use of liquid hydrogen as a fuel, amount of gas emissions decreases for any destination like London, Paris and Kabul. Total HC and CO emissions are going to be nearly 0 kg because of lack of carbon in the fuel. Also NO x emission is lower because of wider flammability limit of LH 2 . Results show that the aircraft engines with LH 2 have great potential for emissions reduction and engine performance parameters are a little better for LH 2 fuel. It is strongly emphasized that one of the most important advantages for the use of LH 2 is national independence for fuel supply. Oil cannot be extracted in every countries territory but LH 2 is producible for every country and this is so important for a countries freedom.

  5. Web-based pathology practice examination usage

    Directory of Open Access Journals (Sweden)

    Edward C Klatt

    2014-01-01

    Full Text Available Context: General and subject specific practice examinations for students in health sciences studying pathology were placed onto a free public internet web site entitled web path and were accessed four clicks from the home web site menu. Subjects and Methods: Multiple choice questions were coded into. html files with JavaScript functions for web browser viewing in a timed format. A Perl programming language script with common gateway interface for web page forms scored examinations and placed results into a log file on an internet computer server. The four general review examinations of 30 questions each could be completed in up to 30 min. The 17 subject specific examinations of 10 questions each with accompanying images could be completed in up to 15 min each. The results of scores and user educational field of study from log files were compiled from June 2006 to January 2014. Results: The four general review examinations had 31,639 accesses with completion of all questions, for a completion rate of 54% and average score of 75%. A score of 100% was achieved by 7% of users, ≥90% by 21%, and ≥50% score by 95% of users. In top to bottom web page menu order, review examination usage was 44%, 24%, 17%, and 15% of all accessions. The 17 subject specific examinations had 103,028 completions, with completion rate 73% and average score 74%. Scoring at 100% was 20% overall, ≥90% by 37%, and ≥50% score by 90% of users. The first three menu items on the web page accounted for 12.6%, 10.0%, and 8.2% of all completions, and the bottom three accounted for no more than 2.2% each. Conclusions: Completion rates were higher for shorter 10 questions subject examinations. Users identifying themselves as MD/DO scored higher than other users, averaging 75%. Usage was higher for examinations at the top of the web page menu. Scores achieved suggest that a cohort of serious users fully completing the examinations had sufficient preparation to use them to support

  6. Visualization of Instrumental Verification Information Details (VIVID) : code development, description, and usage.

    Energy Technology Data Exchange (ETDEWEB)

    Roy, Christopher John; Bainbridge, Bruce L.; Potter, Donald L.; Blottner, Frederick G.; Black, Amalia Rebecca

    2005-03-01

    The formulation, implementation and usage of a numerical solution verification code is described. This code uses the Richardson extrapolation procedure to estimate the order of accuracy and error of a computational program solution. It evaluates multiple solutions performed in numerical grid convergence studies to verify a numerical algorithm implementation. Analyses are performed on both structured and unstructured grid codes. Finite volume and finite element discretization programs are examined. Two and three-dimensional solutions are evaluated. Steady state and transient solution analysis capabilities are present in the verification code. Multiple input data bases are accepted. Benchmark options are included to allow for minimal solution validation capability as well as verification.

  7. High School Students' Social Media Usage Habits

    Science.gov (United States)

    Tezci, Erdogan; Içen, Mustafa

    2017-01-01

    Social media which is an important product of Computer and Internet Technologies has a growing usage level day by day. Increasing social media usage level gives opportunity for new software developments and making investments in this area. From this aspect, therefore, social media has not only economic function but also make persons participate in…

  8. Premarital Contraceptives Usage among Male and Female Adolescents.

    Science.gov (United States)

    Hornick, Joesph P.; And Others

    1979-01-01

    Variables important in predicting female contraception usage were found to be those which involved dyadic commitment, conditions of love, self-esteem, and father's occupation (social class). The best predictors of male contraception usage involved experience in dating and internalization of role models via mother's and father's permissiveness.…

  9. Insecticide-treated nets usage and malaria episodes among ...

    African Journals Online (AJOL)

    ... is urgent need on the part of all the three tiers of Government for public health awareness campaigns through information, education and communication (IEC) to create positive ITN culture and usage. It is also suggested that ITN usage among boarding school pupils should be incorporated into school health service.

  10. The Current State Of Secondary Resource Usage In Ukraine

    OpenAIRE

    Julia Makovetska

    2011-01-01

    The state and the perspectives of the development of secondary resource usage in Ukraine have been analyzed in the article. The level of the main types recyclable materials as paper and cardboard, glass, plastics, waste tires are considered. Priority directions of development of the secondary resources usage have been defined.

  11. A Factor Analytic Study of the Internet Usage Scale

    Science.gov (United States)

    Monetti, David M.; Whatley, Mark A.; Hinkle, Kerry T.; Cunningham, Kerry T.; Breneiser, Jennifer E.; Kisling, Rhea

    2011-01-01

    This study developed an Internet Usage Scale (IUS) for use with adolescent populations. The IUS is a 26-item scale that measures participants' beliefs about how their Internet usage impacts their behavior. The sample for this study consisted of 947 middle school students. An exploratory factor analysis with varimax rotation was conducted on the…

  12. Benchmarking Usage Statistics in Collection Management Decisions for Serials

    Science.gov (United States)

    Tucker, Cory

    2009-01-01

    Usage statistics are an important metric for making decisions on serials. Although the University of Nevada, Las Vegas (UNLV) Libraries have been collecting usage statistics, the statistics had not frequently been used to make decisions and had not been included in collection development policy. After undergoing a collection assessment, the…

  13. E-book usage: counting the challenges and opportunities

    Directory of Open Access Journals (Sweden)

    Angela Conyers

    2017-07-01

    Full Text Available Academic libraries are spending a growing proportion of their increasingly stretched budgets on e-books each year. Within this context, demonstrating a return on investment is imperative, but gathering data about e-resource usage is not always easy.    This article summarizes how libraries and library consortia are acquiring and evaluating e-books, how usage statistics feature within library workflows, the issues faced in doing so and the resulting impact of these issues on understanding usage and informing purchasing of new titles. Discussions with publishers indicate how usage data are being used within the organization, the requirements of customers and the challenges involved in providing usage data for e-books. Assessing and evaluating e-book usage is a complex and challenging task with processes and workflows in development. A transition from print to e-books represents a significant change for libraries, and the availability of reliable usage statistics to support purchase decisions is vital. The article is based on a series of case study interviews with representatives from a small cross-section of academic libraries, library consortia, publishers and aggregators.    This work is of interest to anyone with responsibility for creating, managing, developing, delivering and supporting usage statistics and standards for e-books.

  14. 40 CFR 52.254 - Organic solvent usage.

    Science.gov (United States)

    2010-07-01

    ... 40 Protection of Environment 3 2010-07-01 2010-07-01 false Organic solvent usage. 52.254 Section...) APPROVAL AND PROMULGATION OF IMPLEMENTATION PLANS California § 52.254 Organic solvent usage. (a) This... (d) of this section and the architectural coatings and solvent disposal emission limitations...

  15. ICT USAGE BY DISTANCE LEARNERS IN INDIA

    Directory of Open Access Journals (Sweden)

    Ashish Kumar AWADHIYA

    2014-07-01

    Full Text Available Open Universities across the world are embracing ICT based teaching and learning process to disseminate quality education to their learners spread across the globe. In India availability and access of ICT and learner characteristics are uneven and vary from state to state. Hence it is important to establish the facts about ICT access among learners, their ICT usage patterns and their readiness to use ICT for educational purpose. In view of this, a study was conducted with the objective to find out the access level of ICT among distance learners. The analysis indicates that maximum learners have desktop/laptops and most of them are accessing internet very frequently from their home. The analysis also indicates that maximum respondents are browsing social networking sites followed by educational and e-mail service providing websites. Findings suggest that there is a need to generate ICT based tutorials complemented with social networking tools and mobile applications. Study also shows that learners are equipped with mobile phones and they are browsing internet through it and also availing support services offered by the university. Hence possibility of integrating mobile phone services may be used for providing learner support services and content delivery.

  16. Internet Usage among Children and Young People

    Directory of Open Access Journals (Sweden)

    Gonca Karayagiz Muslu

    2009-10-01

    Full Text Available Computers have occupied increasingly central roles in children’s world with the advance of technology. They have proved to be an ideal companion for children in developing and developed countries who spend most of their time at school or home with computers. As a measure of development and modernization, technology has made people’s lives easier and contributed positively to social well-being so far while it has also brought about some problems and threats stemming from irresponsible use of Internet. Unmonitored use of Internet may cause damages in children’s and young people’s physical, psychological, social and cognitive development. It seems imperative to assure that children and young people can benefit from computers and Internet resources effectively and productively while measures for appropriate and safe use of Internet are to be taken into serious consideration. Therefore, the government offices and institutions should lay stress upon the issue; education professionals and parents should be well-informed and regularly updated; and finally children and young people should be educated and monitored to achieve a better and efficient use of Internet. In this paper, has been mentioned to negative effect of internet usage on physical, psychosocial and cognitive health of children and young people. [TAF Prev Med Bull 2009; 8(5.000: 445-450

  17. Trofile HIV co-receptor usage assay.

    Science.gov (United States)

    Low, Andrew J; McGovern, Rachel A; Harrigan, P Richard

    2009-03-01

    The introduction of CCR5 antagonists increases the options available for constructing therapeutic drug regimens for HIV-positive patients. However, as these drugs do not inhibit HIV variants that use the CXCR4 co-receptor, a pretreatment test is required to determine accurately HIV co-receptor usage (tropism) before initiating CCR5 antagonist-based therapy. To discuss the Monogram Trofile assay as a diagnostic tool for determining HIV tropism by critically reviewing reported literature and available data. Monogram Trofile has become, largely by default, the de facto standard for HIV tropism assay. However, there is significant room for improvement in the speed, cost and availability of the test. Furthermore, the test is not quantitative, requires high-input HIV RNA viral loads, and produces results that are less biologically stable than expected. These technical considerations may limit the use of CCR5 antagonists in therapy. Nevertheless, this test is likely to remain the most widely used tropism diagnostic for the short term. We expect that a more practical and possibly more accurate method for measuring HIV tropism can be developed.

  18. Fossil fuel usage and the environment

    International Nuclear Information System (INIS)

    Klass, D.L.

    1991-01-01

    The Greenhouse Effect and global warming, ozone formation in the troposphere, ozone destruction in the stratosphere, and acid rain are important environmental issues. The relationship of fossil fuel usage to some of these issues is discussed. Data on fossil fuel consumption and the sources and sinks of carbon dioxide, carbon monoxide, methane, nitrogen and sulfur oxides, and ozone indicate that natural gas provides lower emissions of carbon dioxide, carbon monoxide, and nitrogen and sulfur oxides than other fossil fuels. Global emissions of methane from the gas industry are significantly less than those from other anthropogenic activities and natural sources, and methane plays an important role along with carbon monoxide and nitric oxide in tropospheric ozone formation. Reductions in any or all of these air pollutants would reduce ozone in the lower atmosphere. Several remedial measures have been or are being implemented in certain countries to reduce fossil fuel emissions. These include removal of emissions from the atmosphere by new biomass growth, fuel substitution by use of cleaner burning fuels for stationary and mobile sources, and fossil fuel combustion at higher efficiencies. It is unlikely that concerted environmental action by all governments of the world will occur soon, but much progress has been made to achieve clean air

  19. Contract Report for Usage Inspection of KN-12 Transport Cask

    Energy Technology Data Exchange (ETDEWEB)

    Lee, J. C.; Seo, K. S.; Bang, K. S.; Cho, I. J.; Kim, D. H.; Min, D. K

    2007-03-15

    The usage inspection of the KN-12 spent nuclear fuel transport package was performed to receive the license for reuse. According to the Korea Atomic Energy Act, all type B transport package should receive and pass the usage inspection every five years. The KN-12 transport cask was designed to transport twelve spent PWR fuel assemblies under wet and dry conditions. The cask was developed and licensed in 2002 in accordance with the Korea and the IAEA's safe transport regulations. The areas of usage inspection include: visual inspection, nondestructive weld inspection, load test, maximum operating pressure test, leakage test, shielding test, thermal test, external surface contamination test. In the results of the usage inspection, the damage or defect could not found out and the performance of the cask was maintained according to the requirements of the regulation. Therefore, the usage inspection was successfully performed to acquire the license for the reuse.

  20. Usage Inspection of KN-12 Spent Fuel Transport Cask

    Energy Technology Data Exchange (ETDEWEB)

    Lee, J. C.; Seo, K. S.; Bang, K. S.; Cho, I. J.; Kim, D. H.; Min, D. K

    2007-03-15

    The usage inspection of the KN-12 spent nuclear fuel transport package was performed to receive the license for reuse. According to the Korea Atomic Energy Act, all type B transport package should receive and pass the usage inspection every five years. The KN-12 transport cask was designed to transport twelve spent PWR fuel assemblies under wet and dry conditions. The cask was developed and licensed in 2002 in accordance with the Korea and the IAEA's safe transport regulations. The areas of usage inspection include: visual inspection, nondestructive weld inspection, load test, maximum operating pressure test, leakage test, shielding test, thermal test, external surface contamination test. In the results of the usage inspection, the damage or defect could not found out and the performance of the cask was maintained according to the requirements of the regulation. Therefore, the usage inspection was successfully performed to acquire the license for the reuse.

  1. World Wide Web Usage Mining Systems and Technologies

    Directory of Open Access Journals (Sweden)

    Wen-Chen Hu

    2003-08-01

    Full Text Available Web usage mining is used to discover interesting user navigation patterns and can be applied to many real-world problems, such as improving Web sites/pages, making additional topic or product recommendations, user/customer behavior studies, etc. This article provides a survey and analysis of current Web usage mining systems and technologies. A Web usage mining system performs five major tasks: i data gathering, ii data preparation, iii navigation pattern discovery, iv pattern analysis and visualization, and v pattern applications. Each task is explained in detail and its related technologies are introduced. A list of major research systems and projects concerning Web usage mining is also presented, and a summary of Web usage mining is given in the last section.

  2. Contract Report for Usage Inspection of KN-12 Transport Cask

    International Nuclear Information System (INIS)

    Lee, J. C.; Seo, K. S.; Bang, K. S.; Cho, I. J.; Kim, D. H.; Min, D. K.

    2007-03-01

    The usage inspection of the KN-12 spent nuclear fuel transport package was performed to receive the license for reuse. According to the Korea Atomic Energy Act, all type B transport package should receive and pass the usage inspection every five years. The KN-12 transport cask was designed to transport twelve spent PWR fuel assemblies under wet and dry conditions. The cask was developed and licensed in 2002 in accordance with the Korea and the IAEA's safe transport regulations. The areas of usage inspection include: visual inspection, nondestructive weld inspection, load test, maximum operating pressure test, leakage test, shielding test, thermal test, external surface contamination test. In the results of the usage inspection, the damage or defect could not found out and the performance of the cask was maintained according to the requirements of the regulation. Therefore, the usage inspection was successfully performed to acquire the license for the reuse

  3. Usage Inspection of KN-12 Spent Fuel Transport Cask

    International Nuclear Information System (INIS)

    Lee, J. C.; Seo, K. S.; Bang, K. S.; Cho, I. J.; Kim, D. H.; Min, D. K.

    2007-03-01

    The usage inspection of the KN-12 spent nuclear fuel transport package was performed to receive the license for reuse. According to the Korea Atomic Energy Act, all type B transport package should receive and pass the usage inspection every five years. The KN-12 transport cask was designed to transport twelve spent PWR fuel assemblies under wet and dry conditions. The cask was developed and licensed in 2002 in accordance with the Korea and the IAEA's safe transport regulations. The areas of usage inspection include: visual inspection, nondestructive weld inspection, load test, maximum operating pressure test, leakage test, shielding test, thermal test, external surface contamination test. In the results of the usage inspection, the damage or defect could not found out and the performance of the cask was maintained according to the requirements of the regulation. Therefore, the usage inspection was successfully performed to acquire the license for the reuse

  4. Collecting conditions usage metadata to optimize current and future ATLAS software and processing

    CERN Document Server

    Barberis, Dario; The ATLAS collaboration; Gallas, Elizabeth; Oda, Susumu

    2016-01-01

    Conditions data (for example: alignment, calibration, data quality) are used extensively in the processing of real and simulated data in ATLAS. The volume and variety of the conditions data needed by different types of processing are quite diverse, so optimizing its access requires a careful understanding of conditions usage patterns. These patterns can be quantified by mining representative log files from each type of processing and gathering detailed information about conditions usage for that type of processing into a central repository. In this presentation, we describe the systems developed to collect this conditions usage metadata per job type and describe a few specific (but very different) ways in which it has been used. For example, it can be used to cull specific conditions data into a much more compact package to be used by jobs doing similar types of processing: these customized collections can then be shipped with jobs to be executed on isolated worker nodes (such as HPC farms) that have no netwo...

  5. Application Examples for Handle System Usage

    Science.gov (United States)

    Toussaint, F.; Weigel, T.; Thiemann, H.; Höck, H.; Stockhause, M.; Lautenschlager, M.

    2012-12-01

    Besides the well-known DOI (Digital Object Identifiers) as a special form of Handles that resolve to scientific publications there are various other applications in use. Others perhaps are just not yet. We present some examples for the existing ones and some ideas for the future. The national German project C3-Grid provides a framework to implement a first solution for provenance tracing and explore unforeseen implications. Though project-specific, the high-level architecture is generic and represents well a common notion of data derivation. Users select one or many input datasets and a workflow software module (an agent in this context) to execute on the data. The output data is deposited in a repository to be delivered to the user. All data is accompanied by an XML metadata document. All input and output data, metadata and the workflow module receive Handles and are linked together to establish a directed acyclic graph of derived data objects and involved agents. Data that has been modified by a workflow module is linked to its predecessor data and the workflow module involved. Version control systems such as svn or git provide Internet access to software repositories using URLs. To refer to a specific state of the source code of for instance a C3 workflow module, it is sufficient to reference the URL to the svn revision or git hash. In consequence, individual revisions and the repository as a whole receive PIDs. Moreover, the revision specific PIDs are linked to their respective predecessors and become part of the provenance graph. Another example for usage of PIDs in a current major project is given in EUDAT (European Data Infrastructure) which will link scientific data of several research communities together. In many fields it is necessary to provide data objects at multiple locations for a variety of applications. To ensure consistency, not only the master of a data object but also its copies shall be provided with a PID. To verify transaction safety and to

  6. Evolution of DOI Usage and Registration

    Science.gov (United States)

    James, N.; Wanchoo, L.

    2017-12-01

    NASA's Earth Science Data and Information System (ESDIS) Project has implemented an automated system for assigning Digital Object Identifiers (DOIs) to Earth Science data products being managed by its network of 12 distributed active archive centers (DAACs). Using the ESDIS DOI system, over 3000 DOIs have been assigned, registered, and made publicly accessible while over 1000 assigned DOIs are being held in reserve until ready for public use. The goal is to assign a DOI to each of the 8000+ data collections under ESDIS management. DOIs make it easier for researchers to discover and use earth science data and they enable users to provide valid citations for the data they use in research. Also for the researcher wishing to reproduce the results presented in science publications, the DOI can be used to locate the exact data or data products being cited. ESDIS DOIs also provide data "Provenance" which is information about the creation and history of the data in question. This would include when the data was collected, which instrument was used to collect the data, and the version of the product at the time the DOI was assigned. Over the past few years, requests for DOIs have increased significantly as DAACs assign DOIs to both legacy data from earlier missions and new data products from in-orbit missions. This study will evaluate the evolution of DOI registration and its usage over those years comparing data products as they are organized by mission, science discipline and data product level. It is hoped that the study results will help NASA determine how to prioritize future products for DOI assignment and inform future studies that would identify trends over time of increased use of data citations resulting in increased discovery and distribution of NASA Earth science data products.

  7. Analgesic efficacy of local anaesthetic wound administration in knee arthroplasty: volume vs concentration

    DEFF Research Database (Denmark)

    Andersen, L Ø; Gaarn-Larsen, L; Kristensen, B B

    2010-01-01

    arthroplasty were randomly assigned to receive either a high volume/low concentration solution of ropivacaine (20 ml, 0.5%) or a low volume/high concentration solution of ropivacaine (10 ml, 1%), 6 and 24 h postoperatively through an intracapsular catheter. Pain was assessed for 2 h after administration. Pain...... was reduced in both groups with ropivacaine administration 24 h postoperatively (p ropivacaine injection 6 h postoperatively. The median (IQR [range]) dose of oxycodone administered...

  8. A New Look at Data Usage by Using Metadata Attributes as Indicators of Data Quality

    Science.gov (United States)

    Won, Y. I.; Wanchoo, L.; Behnke, J.

    2016-12-01

    NASA's Earth Observing System Data and Information System (EOSDIS) stores and distributes data from EOS satellites, as well as ancillary, airborne, in-situ, and socio-economic data. Twelve EOSDIS data centers support different scientific disciplines by providing products and services tailored to specific science communities. Although discipline oriented, these data centers provide common data management functions of ingest, archive and distribution, as well as documentation of their data and services on their web-sites. The Earth Science Data and Information System (ESDIS) Project collects these metrics from the EOSDIS data centers on a daily basis through a tool called the ESDIS Metrics System (EMS). These metrics are used in this study. The implementation of the Earthdata Login - formerly known as the User Registration System (URS) - across the various NASA data centers provides the EMS additional information about users obtaining data products from EOSDIS data centers. These additional user attributes collected by the Earthdata login, such as the user's primary area of study can augment the understanding of data usage, which in turn can help the EOSDIS program better understand the users' needs. This study will review the key metrics (users, distributed volume, and files) in multiple ways to gain an understanding of the significance of the metadata. Characterizing the usability of data by key metadata elements such as discipline and study area, will assist in understanding how the users have evolved over time. The data usage pattern based on version numbers may also provide some insight into the level of data quality. In addition, the data metrics by various services such as the Open-source Project for a Network Data Access Protocol (OPeNDAP), Web Map Service (WMS), Web Coverage Service (WCS), and subsets, will address how these services have extended the usage of data. Over-all, this study will present the usage of data and metadata by metrics analyses and will

  9. Usage of Business Simulation Games in Croatia: Perceived Obstacles

    Directory of Open Access Journals (Sweden)

    Jovana Zoroja

    2013-09-01

    Full Text Available Business simulation games (BSGs enhance learning, since they actively involve students in the educational process through game playing. They began to play important role in business education in many universities in Croatia. However, quantitative information on their usage in higher educational institutions (HEIs in Croatia is still scarce. Goals of the paper are to explore: (1 differences among BSGs users and non-users according to demographic characteristics, (2 differences among BSGs users and non-users according to perceived obstacles of BSGs usage, and (3 impact of both demographic characteristics and perceived obstacles on the decision on usage or not-usage of BSGs. A survey was taken in business and economics departments of HEIs in Croatia. A regression model has been used to test the impact of demographic characteristics of educators and the perceived obstacles to the usage of BSGs in educational practice. Results indicate that BSGs usage is currently at a low level, mainly due to the lack of funds and management support. Academic rank, gender, and attitude toward new technologies also impact BSGs usage.

  10. Internet Usage Habits and Internet Usage in Educational Studies of Vocational School Students

    Directory of Open Access Journals (Sweden)

    Zehra Deniz Yakıncı

    2018-04-01

    Full Text Available Internet is the easiest way to access information. It provides positive contributions to individual and surroundings, in learning and information era. At this point the answers of the questions: ‘How do young people use internet and how much do they use internet for their education?’ come into prominence. In order to find the answers; a questionnaire prepared by resarchers and Young Internet Addiction Test- Short Form (YIAT-SF was used on ‘Health Services Vocational High School’ students, in this study. 3.4 % of students were found to have internet addiction and the average internet usage was found to be 5 hours daily. When students were asked to enumerate the internet sites they use, the result was: social media, news sites, movie and series sites, educational and informational content sites, play sites, e-mail, shopping sites, and sexual content sites in order of usage preferance. While social media was preferred by 79.4% in the first place, educational content sites were determined to be preferred by 5.7% in the first place among others. The second most frequently used sites by students were movies and series (22.8%. Educational / informational content (20.2 % sites were the fifth preferred sites in the preference order.

  11. Modelling of word usage frequency dynamics using artificial neural network

    International Nuclear Information System (INIS)

    Maslennikova, Yu S; Bochkarev, V V; Voloskov, D S

    2014-01-01

    In this paper the method for modelling of word usage frequency time series is proposed. An artificial feedforward neural network was used to predict word usage frequencies. The neural network was trained using the maximum likelihood criterion. The Google Books Ngram corpus was used for the analysis. This database provides a large amount of data on frequency of specific word forms for 7 languages. Statistical modelling of word usage frequency time series allows finding optimal fitting and filtering algorithm for subsequent lexicographic analysis and verification of frequency trend models

  12. Low-volume high-intensity swim training is superior to high-volume low-intensity training in relation to insulin sensitivity and glucose control in inactive middle-aged women

    DEFF Research Database (Denmark)

    Connolly, Luke J; Nordsborg, Nikolai Baastrup; Nyberg, Michael Permin

    2016-01-01

    recovery periods and LIT swam continuously for 1 h at low intensity (average HR = 73 ± 3 % HRmax). Fasting blood samples were taken and an oral glucose tolerance test (OGTT) was conducted pre- and post-intervention. RESULTS: After HIT, resting plasma [insulin] was lowered (17 ± 34 %; P ... adhesion molecule 1 had decreased (P intermittent swimming is an effective and time-efficient training strategy for improving insulin sensitivity, glucose control and biomarkers of vascular function...

  13. Usage reporting on recorded lectures using educational data mining

    NARCIS (Netherlands)

    Gorissen, Pierre; Van Bruggen, Jan; Jochems, Wim

    2012-01-01

    Gorissen, P., Van Bruggen, J., & Jochems, W. M. G. (2012). Usage reporting on recorded lectures using educational data mining. International Journal of Learning Technology, 7, 23-40. doi:10.1504/IJLT.2012.046864

  14. EFFECT OF YAM STORAGE TECHNIQUES USAGE ON FARM ...

    African Journals Online (AJOL)

    IBUKUN

    1Department of Agricultural Economics and Farm Management, Faculty of ... significant effect on the usage of yam storage techniques, while access to credit ..... study area at subsidized rates so as to encourage them to use such techniques.

  15. Usage of nuclear data library and proposal to JENDL

    International Nuclear Information System (INIS)

    Sasaki, M.; Iijima, S.; Kawai, Y.; Matsunobu, H.; Zukeran, A.

    1987-01-01

    A usage status of nuclear data libraries and proposals to the JENDL library are briefly reviewed. 1) Data bases used in plant design and fuel cycle design fields are summarized. JNDC evaluated data and JENDL are not utilized so much than expected in these fields. 2) Performances between JENDL-2 and ENDF/B-IV are compared in the FBR nuclear design field. JENDL-2 shows good characteristics. 3) Usages of JENDL-2 are shown in the LWR nuclear design field. JENDL-2 isn't always superior to the licensing library. 4) Usages of JENDL-2 are shown in the FBR shielding R D field. JENDL-2 underestimates measured spectra in case of the deep penetration experiment. 5) Based on the above usage status of JENDL-2, proposals to future JENDL and Nuclear Data Center are tabulated. (author)

  16. Verifying Correct Usage of Atomic Blocks and Typestate: Technical Companion

    National Research Council Canada - National Science Library

    Beckman, Nels E; Aldrich, Jonathan

    2008-01-01

    In this technical report, we present a static and dynamic semantics as well as a proof of soundness for a programming language presented in the paper entitled, 'Verifying Correct Usage of Atomic Blocks and Typestate...

  17. Relationship between Impulsivity, Social Media Usage and Loneliness

    Directory of Open Access Journals (Sweden)

    Mustafa Savci

    2016-03-01

    Full Text Available The purpose of this study is to examine the relationships between impulsivity, social media usage, and loneliness and to test the structural hypothetical model developed based on the literature. The study was conducted on 307 (164 female, 143 male university students. Data collection instruments of the study were the Barratt Impulsivity Scale Short Form (BIS-11-SF, Social Media Usage Scale (SMUS, and UCLA Loneliness Scale Short Form (ULS-8. The measurement models of the latent variables were tested initially and it was observed that the scales of the latent variables were efficient enough to be included in the structural equation model. In addition, the suggested hypothetical model was tested. According to the analysis, it was observed that impulsivity directly, positively and significantly predicts social media usage, that social media usage directly, positively and significantly predicts loneliness, and that impulsivity indirectly, positively and significantly predicts loneliness.

  18. Computer simulation of forest fire and its possible usage

    International Nuclear Information System (INIS)

    Halada, L.; Weisenpacher, P.; Glasa, J.

    2005-01-01

    In this presentation authors deal with computer modelling of forest fires. Their possible usage is discussed. Results of modelling are compared with real forest fire in the National Park Slovensky Raj (Slovak Paradise) in 2000 year

  19. Understanding social media usage by females in Saudi Arabia: a ...

    African Journals Online (AJOL)

    Understanding social media usage by females in Saudi Arabia: a descriptive finding. ... This study was conducted to determine the effects of SM on Saudi females. ... hence more effort should be undertaken to encourage more uptake of SM for ...

  20. Jungle Juice: Knowledge and Usage Among Kenyan Surgical Teams

    African Journals Online (AJOL)

    This survey aimed to evaluate knowledge and safe usage of jungle juice on patients in ... patterns and safety measures employed during use of jungle juice among ... Regarding the specific antidote for severe local anesthetic toxicity and its ...

  1. Everyday Preschool Interpersonal Speech Usage: Methodological, Developmental, and Sociolinguistic Studies

    Science.gov (United States)

    Schachter, Frances Fuchs; And Others

    1974-01-01

    Reports on a study designed to provide data on developmental and sociolinguistic patterns of interpersonal speech usage from ages 2 to 5 years which may have important implications for poverty school programs. (Author/CS)

  2. Energy usage optimisation of heavy haul freight trains

    CSIR Research Space (South Africa)

    Bogaers, Alfred

    2016-10-01

    Full Text Available tonnage and long distances an enormous amount of energy is required. Using classical mechanics, an energy usage model for typical freight trains based on available tractive power and typical rolling stock resistances (curvature, friction, gravity etc...

  3. Customers Demographics Influence on Usage of Retail Banking Channels

    Directory of Open Access Journals (Sweden)

    Neha GUPTA

    2016-09-01

    Full Text Available The study presents the usage of retail banking influenced by customers’ demographics of selected Public Sector Banks (PSBs of India. The study was based on primary data collected through structured questionnaire. The simple random sampling technique used for data collection for sample size 692. The study finds that public sector banks need to understand the usage pattern of an individual customer using delivery channel to add greater value to customers. Respondent age groups influence ATMs usage. Internet banking is majorly influenced by the customers’ demographics. Respondents’ age group and qualification influence mobile banking. Branch lobby kiosk is not influenced by any demographics. The identification of most influential demographic variable will help to build strong and effective cross-selling and up-selling of financial products and services. Our study was limited to the customers of PSBs of India. This study may be helpful to PSBs for enhancing effective usage of delivery channels.

  4. 412 awareness and usage of the baobab in rural communities

    African Journals Online (AJOL)

    Osondu

    edible fruits, seeds, leaves, resins, tannins, gums, oils and ... potentials of this free gift of nature and its usage among the rural poor ... Literature Review. Scientific ... 1Department of Agricultural Extension and Rural Development. University of ...

  5. Codon usage bias analysis for the coding sequences of Camellia ...

    African Journals Online (AJOL)

    sunny t

    2016-02-24

    Feb 24, 2016 ... suggested that codon usage bias is driven by selection, particularly for .... For example, as mentioned above, highly expressed genes tend to use fewer ... directional codon bias measure effective number of codons (ENc) was ...

  6. Factors influencing the usage of different types of malaria prevention ...

    African Journals Online (AJOL)

    Objective: To examine factors which influence the use of different types of malaria prevention ... risk areas, religion, education and income influenced ITN usage, whereas only age, malaria .... the uptake of IPTp given that the person would not.

  7. Business Education Students' Perception of Educational Usage of ...

    African Journals Online (AJOL)

    The study sought to establish from business education students in tertiary institutions ... sites for educational activities and faced the problem of poor network service. ... regarding academic usage of social networking sites as a result of gender.

  8. Internet Usage Habits as a Part of Distance Higher Education

    OpenAIRE

    Tufan, Firat

    2015-01-01

    Within the scope of this study, which deals with distance education method as a communication process, a focus group interview was conducted with voluntary students who were randomly selected from various areas/majors at the Department of Distance Education in Istanbul University in order to determine the relationship between their general Internet usage habits and their Internet usage as a part of distance learning and in line with their expectations. The questions posed for the students dur...

  9. Media Usage and Civic Life: The Role of Values

    OpenAIRE

    Firat, Rengin Bahar

    2014-01-01

    Previous research has observed that media usage influences civic outcomes, including trust and political behavior. However, this research has rarely examined the social psychological mechanisms underlying the relationship between media and civic life. The current study focuses on values as potential explanations for how media usage impacts civic engagement. Using data from Round 5 of the European Social Survey (2010) and employing two-level structural equation modeling, this paper examines wh...

  10. Japanese Mobile Phone Usage in Sweden - Technological and Social Prerequisites

    OpenAIRE

    Fredriksson, Susanne; Hillerdal, Ida

    2010-01-01

    Japan is an advanced country when it comes to mobile phone technology. This thesis firstly investigates the mobile phone usage in Japan. Secondly it describes the prerequisites for implementation of some distinguished Japanese mobile phone functions in Sweden. This is done from a social as well as a technological aspect. The Japanese mobile phone usage is investigated on three levels; governmental, industrial and consumer. The governmental level is characterised by an ICT policy which strives...

  11. Fuzzy Clustering: An Approachfor Mining Usage Profilesfrom Web

    OpenAIRE

    Ms.Archana N. Boob; Prof. D. M. Dakhane

    2012-01-01

    Web usage mining is an application of data mining technology to mining the data of the web server log file. It can discover the browsing patterns of user and some kind of correlations between the web pages. Web usage mining provides the support for the web site design, providing personalization server and other business making decision, etc. Web mining applies the data mining, the artificial intelligence and the chart technology and so on to the web data and traces users' visiting characteris...

  12. BEHAVIORAL ASPECT OF ACCOUNTING TEACHERS’ INFORMATION TECHNOLOGY USAGE

    OpenAIRE

    YILMAZ, Emine; ÖZER, Gökhan

    2015-01-01

    This study aims to examine behavioral process of accounting teachers’ information technology (IT) acceptance. To this end, we collected data from accounting teachers working in trade high schools. Research model and hypotheses were developed in the light of Theory of Reasoned Action. Accordingly, relationships among attitudes, subjective norms, intentions towards information technology usage and IT usage behaviors were investigated. Explanatory factor analysis and structural equation modeling...

  13. The relationship between codon usage bias and cold resistant genes

    International Nuclear Information System (INIS)

    Barozai, M.Y.; Din, M.

    2014-01-01

    This research is based on synonymous codon usage which has been well-known as a feature that affects typical expression level of protein in an organism. Different organisms prefer different codons for same amino acid and this is called Codon Usage Bias (CUB). The codon usage directly affects the level or even direction of changes in protein expression in responses to environmental stimuli. Cold stress is a major abiotic factor that limits the agricultural productivity of plants. In the recent study CUB has been studied in Arabidopsis thaliana cold resistant and housekeeping genes and their homologs in rice (Oryza sativa) to understand the cold stress and housekeeping genes relation with CUB. Six cold resistant and three housekeeping genes in Arabidopsis thaliana and their homologs in rice, were subjected to CUB analysis. The three cold resistant genes (DREB1B, RCI and MYB15) showed more than 50% (52%, 61% and 66% respectively) similar codon usage bias for Arabidopsis thaliana and rice. On the other hand three cold resistant genes (MPK3, ICE1 and ZAT12) showed less than 50% (38%, 38% and 47% respectively) similar codon usage bias for Arabidopsis thaliana and rice. The three housekeeping genes (Actin, Tubulin and Ubiquitin) showed 76% similar codon usage bias for Arabidopsis thaliana and rice. This study will help to manage the plant gene expression through codon optimization under the cold stress. (author)

  14. OER Usage by Instructional Designers and Training Managers in Corporations

    Directory of Open Access Journals (Sweden)

    Anat Cohen

    2015-12-01

    Full Text Available Since the development of Open Educational Resources (OERs, different models regarding the usage of these resources in education have appeared in the literature. Wiley’s 4-Rs model is considered to be one of the leading models. Research based on Wiley’s model shows that using materials without making changes is the most common use. Compared to the extensive literature regarding OER usage in education, the literature barely deals with OER usage by instructional designers or training managers in corporations. The purpose of this research is to examine the OER usage of these two stakeholders, distinguishing between Little and Big OER repositories, in which Little OER repositories such as YouTube and Wikipedia aren’t necessarily designed to fulfill educational purposes. Findings show that these stakeholders almost use only Little repositories and that their usage level is higher than what is documented in the literature: they mostly Revise–modify the form of the resource, and Remix–combine different resources to create new ones. These differences can be explained by the fact that materials from Little OER repositories are raw materials, requiring further editing and adjustment. Significant differences between instructional designers’ and training managers’ usage of OERs were found regarding the Reuse level of resources from internal repositories and the Google Images repository, and the frequency of this Reuse.

  15. Genome-wide analysis of codon usage bias in Ebolavirus.

    Science.gov (United States)

    Cristina, Juan; Moreno, Pilar; Moratorio, Gonzalo; Musto, Héctor

    2015-01-22

    Ebola virus (EBOV) is a member of the family Filoviridae and its genome consists of a 19-kb, single-stranded, negative sense RNA. EBOV is subdivided into five distinct species with different pathogenicities, being Zaire ebolavirus (ZEBOV) the most lethal species. The interplay of codon usage among viruses and their hosts is expected to affect overall viral survival, fitness, evasion from host's immune system and evolution. In the present study, we performed comprehensive analyses of codon usage and composition of ZEBOV. Effective number of codons (ENC) indicates that the overall codon usage among ZEBOV strains is slightly biased. Different codon preferences in ZEBOV genes in relation to codon usage of human genes were found. Highly preferred codons are all A-ending triplets, which strongly suggests that mutational bias is a main force shaping codon usage in ZEBOV. Dinucleotide composition also plays a role in the overall pattern of ZEBOV codon usage. ZEBOV does not seem to use the most abundant tRNAs present in the human cells for most of their preferred codons. Copyright © 2014 Elsevier B.V. All rights reserved.

  16. Seatbelt usage: is there an association with obesity?

    Science.gov (United States)

    Behzad, B; King, D M; Jacobson, S H

    2014-09-01

    Wearing a seatbelt can prevent motor vehicle crash deaths. While primary seatbelt laws are designed to encourage vehicle passengers to wear seatbelts by allowing law enforcement officers to issue tickets when passengers do not wear seatbelts, discomfort may discourage obese individuals from wearing a seatbelt. The objective of this study is to assess the association between state-level obesity and seatbelt usage rates in the US, and to examine the possible role played by seatbelt laws in these associations. The strength of the association between obesity rates, seatbelt usage, and primary seatbelt laws at the state level is investigated using data from 2006 to 2011. Linear regression analysis is employed. This model estimates that increasing the obesity rate by 1% in a state where a primary seatbelt law (by which law enforcement officers can issue a ticket when seatbelts are not worn) is in effect is associated with a 0.06% decrease in seatbelt usage. However the same percentage of increase in the obesity rate in a state where no primary seatbelt law is in effect is associated with a 0.55% decrease in seatbelt usage. The magnitude of the statistical association between state obesity rates and state-level seatbelt usage is related to the existence of a primary seatbelt law, such that obesity has less impact on seatbelt usage in states where primary seatbelt laws are in effect. Published by Elsevier Ltd.

  17. Impact of usage of personal music systems on oto-acoustic emissions among medical students

    Directory of Open Access Journals (Sweden)

    Prasanth G Narahari

    2017-01-01

    Full Text Available Background: Intact hearing is essential for medical students and physicians for communicating with patients and appreciating internal sounds with a stethoscope. With the increased use of (PMSs, they are exposed to high sound levels and are at a risk of developing hearing loss. The effect of long term personal music system (PMS usage on auditory sensitivity has been well established. Our study has reported the immediate and short term effect of PMS usage on hearing especially among medical professionals. Objective: To assess the effect of short term PMS usage on distortion product otoacoustic emissions (DPOAE among medical professionals. Materials and Method: 34 medical students within the age range of 17–22 years who were regular users of PMS participated in the study. All participants had hearing thresholds <15 dBHL at audiometric octave frequencies. Baseline DPOAEs were measured in all participants after 18 h of non-usage of PMS. One week later DPOAEs were again measured after two hours of continuous listening to PMS. DPOAEs were measured within the frequency range of 2 to 12 kHz with a resolution of 12 points per octave. Output sound pressure level of the PMS of each participant was measured in HA-1 coupler and it was converted to free field SPL using the transformations of RECD and REUG. Results: Paired sample t test was used to investigate the main effect of short term music listening on DPOAE amplitudes. Analysis revealed no significant main effect of music listening on DPOAE amplitudes at the octave frequencies between 2 to 4 KHz (t67 = −1.02, P = 0.31 and 4 to 8 KHz (t67 = 0.24, P = 0.81. However, there was a small but statistically significant reduction in DPOAE amplitude (t67 = 2.10, P = 0.04 in the frequency range of 9 to 12 kHz following short term usage of PMS. The mean output sound pressure level of the PMS was 98.29. Conclusion: Short term exposure to music affects the DPOAE amplitude at

  18. 2011 Radioactive Materials Usage Survey for Unmonitored Point Sources

    Energy Technology Data Exchange (ETDEWEB)

    Sturgeon, Richard W. [Los Alamos National Laboratory

    2012-06-27

    This report provides the results of the 2011 Radioactive Materials Usage Survey for Unmonitored Point Sources (RMUS), which was updated by the Environmental Protection (ENV) Division's Environmental Stewardship (ES) at Los Alamos National Laboratory (LANL). ES classifies LANL emission sources into one of four Tiers, based on the potential effective dose equivalent (PEDE) calculated for each point source. Detailed descriptions of these tiers are provided in Section 3. The usage survey is conducted annually; in odd-numbered years the survey addresses all monitored and unmonitored point sources and in even-numbered years it addresses all Tier III and various selected other sources. This graded approach was designed to ensure that the appropriate emphasis is placed on point sources that have higher potential emissions to the environment. For calendar year (CY) 2011, ES has divided the usage survey into two distinct reports, one covering the monitored point sources (to be completed later this year) and this report covering all unmonitored point sources. This usage survey includes the following release points: (1) all unmonitored sources identified in the 2010 usage survey, (2) any new release points identified through the new project review (NPR) process, and (3) other release points as designated by the Rad-NESHAP Team Leader. Data for all unmonitored point sources at LANL is stored in the survey files at ES. LANL uses this survey data to help demonstrate compliance with Clean Air Act radioactive air emissions regulations (40 CFR 61, Subpart H). The remainder of this introduction provides a brief description of the information contained in each section. Section 2 of this report describes the methods that were employed for gathering usage survey data and for calculating usage, emissions, and dose for these point sources. It also references the appropriate ES procedures for further information. Section 3 describes the RMUS and explains how the survey results are

  19. Synonymous Codon Usage Analysis of Thirty Two Mycobacteriophage Genomes

    Directory of Open Access Journals (Sweden)

    Sameer Hassan

    2009-01-01

    Full Text Available Synonymous codon usage of protein coding genes of thirty two completely sequenced mycobacteriophage genomes was studied using multivariate statistical analysis. One of the major factors influencing codon usage is identified to be compositional bias. Codons ending with either C or G are preferred in highly expressed genes among which C ending codons are highly preferred over G ending codons. A strong negative correlation between effective number of codons (Nc and GC3s content was also observed, showing that the codon usage was effected by gene nucleotide composition. Translational selection is also identified to play a role in shaping the codon usage operative at the level of translational accuracy. High level of heterogeneity is seen among and between the genomes. Length of genes is also identified to influence the codon usage in 11 out of 32 phage genomes. Mycobacteriophage Cooper is identified to be the highly biased genome with better translation efficiency comparing well with the host specific tRNA genes.

  20. Analysis of Usage Patterns in Large Multimedia Websites

    Science.gov (United States)

    Singh, Rahul; Bhattarai, Bibek

    User behavior in a website is a critical indicator of the web site's usability and success. Therefore an understanding of usage patterns is essential to website design optimization. In this context, large multimedia websites pose a significant challenge for comprehension of the complex and diverse user behaviors they sustain. This is due to the complexity of analyzing and understanding user-data interactions in media-rich contexts. In this chapter we present a novel multi-perspective approach for usability analysis of large media rich websites. Our research combines multimedia web content analysis with elements of web-log analysis and visualization/visual mining of web usage metadata. Multimedia content analysis allows direct estimation of the information-cues presented to a user by the web content. Analysis of web logs and usage-metadata, such as location, type, and frequency of interactions provides a complimentary perspective on the site's usage. The entire set of information is leveraged through powerful visualization and interactive querying techniques to provide analysis of usage patterns, measure of design quality, as well as the ability to rapidly identify problems in the web-site design. Experiments on media rich sites including the SkyServer - a large multimedia web-based astronomy information repository demonstrate the efficacy and promise of the proposed approach.

  1. Mobile usage and sleep patterns among medical students.

    Science.gov (United States)

    Yogesh, Saxena; Abha, Shrivastava; Priyanka, Singh

    2014-01-01

    Exposure of humans to radio frequency electromagnetic field (EMF) both during receiving and transmitting the signals has amplified public and scientific debate about possible adverse effects on human health. The study was designed with the objective of assessing the extent of mobile phone use amongst medical students and finding correlation if any between the hours of usage of mobile to sleep pattern and quality. hundred medical students grouped as cases (n = 57) (> 2 hours/day of mobile usage) and control (n = 43) (≤ 2 hours/day of mobile usage) were examined for their sleep quality & pattern by Pittsburg sleep Quality Index (PSQI). Differences between groups were examined with the Mann Whitney "U" test for proportions (Quantitative values) and with Student't' test for continuous variables. The association of variables was analyzed by Spearman Rank's correlation. Probability was set at usage and sleep indices were observed in both genders (males r = 0.25; p = 0.04, females r = 0.31; p = 0.009). Evening usage of mobile phone in cases showed a statistically significant negative association (-0.606; p = 0.042) with Sleep quality (higher PSQI means sleep deprivation). Students using mobile for > 2 hours/day may cause sleep deprivation and day sleepiness affecting cognitive and learning abilities of medical students.

  2. Designation of facility usage categories for Hanford Site facilities

    International Nuclear Information System (INIS)

    Wodrich, D.; Ellingson, D.; Scott, M.; Schade, A.

    1991-01-01

    This report summarizes the Hanford Site methodology used to ensure facility compliance with the natural phenomena design criteria set forth in the US Department of Energy orders and guidance. In particular, the Hanford Site approach to designating a suitable facility open-quotes Usage Category,close quotes is presented. The current Hanford Site methodology for Usage Category designation is based on an engineered feature's safety function and on the feature's assigned Safety Class. At the Hanford Site, Safety Class assignments are deterministic in nature and are based on the consequences of failure, without regard to the likelihood of occurrence. The report also proposes a risk-based approach to Usage Category designation, which is being considered for future application at the Hanford Site. To establish a proper Usage Category designation, the safety analysis and engineering design processes must be coupled. This union produces a common understanding of the safety function(s) to be accomplished by the design feature(s) and a sound basis for the assignment of Usage Categories to the appropriate systems, structures, and components

  3. Social Network Site Usage and Personal Relations of Migrants

    Directory of Open Access Journals (Sweden)

    Elena Damian

    2014-11-01

    Full Text Available In this study, we examine the relation between social network site (SNS usage and the personal networks of immigrants, using a unique dataset composed of a representative sample of immigrants living in the Netherlands. In theory, SNSs can be a helpful tool for immigrants, because they may help establish social ties in the destination country and help maintain ties with people in the country of origin. We examine whether this is also true in practice by analyzing whether the frequency of using two SNSs—Facebook and Hyves (a Dutch SNS—is associated with the number of ingroup and outgroup ties, as well as the quality of social relations. In addition, we test whether general emotional disclosure boosts the effect of SNS usage on the quality of relationships. We find that SNS usage is associated with more outgroup ties, but not with more ingroup ties. Our analyses also show that SNS usage is associated with greater quality social relationships among migrants. Contrary to our expectations, we found no interaction between general emotional disclosure and SNS usage on satisfaction with social relations. The implications of these findings are discussed.

  4. Complex Codon Usage Pattern and Compositional Features of Retroviruses

    Directory of Open Access Journals (Sweden)

    Sourav RoyChoudhury

    2013-01-01

    Full Text Available Retroviruses infect a wide range of organisms including humans. Among them, HIV-1, which causes AIDS, has now become a major threat for world health. Some of these viruses are also potential gene transfer vectors. In this study, the patterns of synonymous codon usage in retroviruses have been studied through multivariate statistical methods on ORFs sequences from the available 56 retroviruses. The principal determinant for evolution of the codon usage pattern in retroviruses seemed to be the compositional constraints, while selection for translation of the viral genes plays a secondary role. This was further supported by multivariate analysis on relative synonymous codon usage. Thus, it seems that mutational bias might have dominated role over translational selection in shaping the codon usage of retroviruses. Codon adaptation index was used to identify translationally optimal codons among genes from retroviruses. The comparative analysis of the preferred and optimal codons among different retroviral groups revealed that four codons GAA, AAA, AGA, and GGA were significantly more frequent in most of the retroviral genes inspite of some differences. Cluster analysis also revealed that phylogenetically related groups of retroviruses have probably evolved their codon usage in a concerted manner under the influence of their nucleotide composition.

  5. MESUR: USAGE-BASED METRICS OF SCHOLARLY IMPACT

    Energy Technology Data Exchange (ETDEWEB)

    BOLLEN, JOHAN [Los Alamos National Laboratory; RODRIGUEZ, MARKO A. [Los Alamos National Laboratory; VAN DE SOMPEL, HERBERT [Los Alamos National Laboratory

    2007-01-30

    The evaluation of scholarly communication items is now largely a matter of expert opinion or metrics derived from citation data. Both approaches can fail to take into account the myriad of factors that shape scholarly impact. Usage data has emerged as a promising complement to existing methods o fassessment but the formal groundwork to reliably and validly apply usage-based metrics of schlolarly impact is lacking. The Andrew W. Mellon Foundation funded MESUR project constitutes a systematic effort to define, validate and cross-validate a range of usage-based metrics of schlolarly impact by creating a semantic model of the scholarly communication process. The constructed model will serve as the basis of a creating a large-scale semantic network that seamlessly relates citation, bibliographic and usage data from a variety of sources. A subsequent program that uses the established semantic network as a reference data set will determine the characteristics and semantics of a variety of usage-based metrics of schlolarly impact. This paper outlines the architecture and methodology adopted by the MESUR project and its future direction.

  6. TECHNOLOGY USAGE AMONG CONSTRUCTION STUDENTS THE MODERATING ROLE OF GENDER

    Directory of Open Access Journals (Sweden)

    T. Ramayah

    2008-06-01

    Full Text Available This study examines the impact of perceived usefulness and perceived ease of use on the extent of personal computer (PC usage among a group of undergraduates at the School of Housing, Building and Planning, Universiti Sains Malaysia. It also looks at the moderating role of gender in the above said relationship. Data was collected using a structured questionnaire. A total of 244 students responded to the survey. Results showed that perceived ease of use (β = 0.309, p < 0.01 was positively related to PC usage. A surprising finding of this study was that perceived usefulness was not a significant predictor of PC usage whereas perceived ease of use was. This can be explained in the context of mandated use where the usefulness is no longer an issue and ease of use becomes the primary concern. Gender was not a moderator in the above said relationship but was a significant independent predictor of usage. Males exhibited higher usage of the PC compared to the female students.

  7. Emergency ultrasound usage among recent emergency medicine residency graduates of a convenience sample of 14 residencies.

    Science.gov (United States)

    Dean, Anthony J; Breyer, Michael J; Ku, Bon S; Mills, Angela M; Pines, Jesse M

    2010-02-01

    Emergency Medicine (EM) residency graduates are trained to perform Emergency Medicine bedside ultrasound (EMBU). However, the degree to which they use this skill in their practice after graduation is unknown. We sought to test the amount and type of usage of EMBU among recent residency graduates, and how usage and barriers vary among various types of EM practice settings. Graduates from 14 EM residency programs in 2003-2005 were surveyed on their current practice setting and use of EMBU. There were 252 (73%) graduates who completed the survey. Of the 73% of respondents reporting access to EMBU, 98% had used it within the past 3 months. Access to EMBU was higher in academic (97%) vs. community teaching (79%) vs. community non-teaching settings (62%) (p < 0.001), and in Emergency Departments (EDs) where yearly census exceeded 60,000 visits (87% vs. 65%, p < 0.001). Physicians in academic settings reported "high use" of EMBU more frequently than those in community settings for most modalities. FAST (focused assessment by sonography in trauma) was the most common high-use application and the most useful in practice. The greatest impediment to EMBU use was "not enough time" (61%). Ultrasound usage among recent EM residency graduates is significantly higher in teaching than in community settings and in high-volume EDs. Its use is more widespread than in previous reports in all types of practice. There is a wide range of utilization of ultrasound in the various applications in emergency practice, with the evaluation of trauma being the most common. Copyright (c) 2010 Elsevier Inc. All rights reserved.

  8. Commercial Building Tenant Energy Usage Aggregation and Privacy

    Energy Technology Data Exchange (ETDEWEB)

    Livingston, Olga V.; Pulsipher, Trenton C.; Anderson, David M.; Wang, Na

    2014-10-31

    A growing number of building owners are benchmarking their building energy use. This requires the building owner to acquire monthly whole-building energy usage information, which can be challenging for buildings in which individual tenants have their own utility meters and accounts with the utility. Some utilities and utility regulators have turned to aggregation of customer energy use data (CEUD) as a way to give building owners whole-building energy usage data while protecting customer privacy. Meter profile aggregation adds a layer of protection that decreases the risk of revealing CEUD as the number of meters aggregated increases. The report statistically characterizes the similarity between individual energy usage patterns and whole-building totals at various levels of meter aggregation.

  9. Safety and Usage of C1-Inhibitor in Hereditary Angioedema

    DEFF Research Database (Denmark)

    Riedl, Marc A; Bygum, Anette; Lumry, William

    2016-01-01

    , international patient registry documented widespread implementation of pnfC1-INH self-administration outside of a health care setting consistent with current HAE guidelines. These real-world data revealed pnfC1-INH usage for a variety of reasons in patients with HAE and showed a high level of safety regardless...... of this study was to describe safety and usage patterns of pnfC1-INH. METHODS: A multicenter, observational, registry was conducted between 2010 and 2014 at 30 United States and 7 European sites to obtain both prospective (occurring after enrollment) and retrospective (occurring before enrollment) safety...... and usage data on subjects receiving pnfC1-INH for any reason. RESULTS: Of 343 enrolled patients, 318 received 1 or more doses of pnfC1-INH for HAE attacks (11,848 infusions) or for prophylaxis (3142 infusions), comprising the safety population. Median dosages per infusion were 10.8 IU/kg (attack treatment...

  10. Analysis of amino acid and codon usage in Paramecium bursaria.

    Science.gov (United States)

    Dohra, Hideo; Fujishima, Masahiro; Suzuki, Haruo

    2015-10-07

    The ciliate Paramecium bursaria harbors the green-alga Chlorella symbionts. We reassembled the P. bursaria transcriptome to minimize falsely fused transcripts, and investigated amino acid and codon usage using the transcriptome data. Surface proteins preferentially use smaller amino acid residues like cysteine. Unusual synonymous codon and amino acid usage in highly expressed genes can reflect a balance between translational selection and other factors. A correlation of gene expression level with synonymous codon or amino acid usage is emphasized in genes down-regulated in symbiont-bearing cells compared to symbiont-free cells. Our results imply that the selection is associated with P. bursaria-Chlorella symbiosis. Copyright © 2015 Federation of European Biochemical Societies. Published by Elsevier B.V. All rights reserved.

  11. The Usage of ROOT in the LHCb Online System

    CERN Document Server

    Frank, M

    2013-01-01

    The online system in the LHCb experiment uses ROOT in various areas. ROOT is used in all processes participating in event data processing. The degree of usage varies quite significantly - from the very rudimentary usage of the ROOT plugin mechanism to fully equipped applications filling histograms with data describing online the detector status for monitoring purposes and the display of these data. An increasing number of processes uses the python binding offered by PyROOT to configure these processes. PyROOT also allows to efficiently and quickly manipulate certain corners of the experiment controls system where necessary. Beside these areas, where the LHCb online team advocated the usage of ROOT, in other areas other technologies were chosen. These deliberate choices like e.g. in the area of persistency of event data from particle collisions will be discussed.

  12. Persona Usage in Software Development: Advantages and Obstacles

    DEFF Research Database (Denmark)

    Billestrup, Jane; Stage, Jan; Nielsen, Lene

    2014-01-01

    The Personas technique has been promoted as a strong tool for providing software developers with a better understanding of the prospective users of their software. This paper reports from a questionnaire survey regarding knowledge about Personas and their usage in software development companies....... The questionnaire survey was conducted in a limited geographical area to establish the extent of Personas usage within all companies in the chosen region and determine whether software development companies used Personas during the development process. Several issues were identified as reasons for either not using...... the technique or for poor application of it. The study showed that 55% of the respondents had never heard about Personas. Among those who had heard about the Personas technique, the following obstacles towards usage of the technique were identified: Lack of knowledge of the technique, lack of resources (time...

  13. Study on online community user motif using web usage mining

    Science.gov (United States)

    Alphy, Meera; Sharma, Ajay

    2016-04-01

    The Web usage mining is the application of data mining, which is used to extract useful information from the online community. The World Wide Web contains at least 4.73 billion pages according to Indexed Web and it contains at least 228.52 million pages according Dutch Indexed web on 6th august 2015, Thursday. It’s difficult to get needed data from these billions of web pages in World Wide Web. Here is the importance of web usage mining. Personalizing the search engine helps the web user to identify the most used data in an easy way. It reduces the time consumption; automatic site search and automatic restore the useful sites. This study represents the old techniques to latest techniques used in pattern discovery and analysis in web usage mining from 1996 to 2015. Analyzing user motif helps in the improvement of business, e-commerce, personalisation and improvement of websites.

  14. P-value based visualization of codon usage data

    Directory of Open Access Journals (Sweden)

    Fricke Wolfgang

    2006-06-01

    Full Text Available Abstract Two important and not yet solved problems in bacterial genome research are the identification of horizontally transferred genes and the prediction of gene expression levels. Both problems can be addressed by multivariate analysis of codon usage data. In particular dimensionality reduction methods for visualization of multivariate data have shown to be effective tools for codon usage analysis. We here propose a multidimensional scaling approach using a novel similarity measure for codon usage tables. Our probabilistic similarity measure is based on P-values derived from the well-known chi-square test for comparison of two distributions. Experimental results on four microbial genomes indicate that the new method is well-suited for the analysis of horizontal gene transfer and translational selection. As compared with the widely-used correspondence analysis, our method did not suffer from outlier sensitivity and showed a better clustering of putative alien genes in most cases.

  15. Usage of industrial robots in nuclear power industry

    International Nuclear Information System (INIS)

    Matsuo, Yoshio; Hamada, Kenjiro

    1982-01-01

    Japan is now at the top level in the world in robot technology.Its application to nuclear power field is one of the most expected. However, their usage spreads over various types of nuclear power plants, their manufacture and operation, and other areas such as fuel reprocessing plants and reactor plant decommissioning. The robots as used for the operation of BWR nuclear power plants, already developed and under development, are described: features in the nuclear-power usage of robots, the robots used currently for automatic fuel exchange, the replacement of control rod drives and in-service inspection; the robots under development for travelling inspection device and the inspection of main steam-relief safety valves, future development of robots. By robot usage, necessary personnel, work period and radiation exposure can be greatly reduced, and safety and reliability are also raised. (Mori, K.)

  16. USAGES – THE LEGAL REGIME IN NEW CIVIL CODE

    Directory of Open Access Journals (Sweden)

    EMILIAN CIONGARU

    2013-05-01

    Full Text Available In the broad sense, the concept of law is represented by totality of acts that are elaborated by competent state authorities and their purpose is legislating. There are juridical situations are outside the scope of regulation of legal norms and they are stipulated by the New Civil Code, namely the usages: which are defined, in the broad sense, as rules of conduct for a long time, born of social practice. If the law sanctioned any usage, by a rule of reference, giving them, as such obligatory legal power, they are sources of law and the legislator has provided, as is source of civil law, only usages which are in conformity to public order and morality. This problem there was no in the case of legal rules because, they themselves are created with the purpose of to generate the public order and morality. In the situations not covered by law, the usages have a greater force than that of the legal dispositions regarding similar situations, so the broad interpretation of the rules of civil law is made, in the cases which are not covered by the law, only if such an interpretation is not contrary to the usages. An analysis and understanding of the juridical status of usages representing: the customs and the local habits which is accepted by the members of that community as well as the professional uses, as rules of development of professional activities, may result in to perceive the legal force of their but also to reduce, on as much as possible, some potentials confusions of interpretation and application of the law.

  17. The Usage of CRM-Systems in the Activities of Franchising Retail Trade Networks

    Directory of Open Access Journals (Sweden)

    Kochubei Dmytro V.

    2017-11-01

    Full Text Available The article considers the main aspects of the CRM-systems usage in the management of relationships in franchise retail trade networks (FRTN. The essence of concepts of «CRM-strategy» and «CRM-system» has been disclosed, their differences have been defined. The basic directions of implementing the CRM-strategy of management of interaction of franchisor and franchisees, and also components of information support of CRM-systems have been defined. A methodology of introduction of CRM-strategy in activity of FRTN has been suggested; a model of management of FRTN on the basis of CRM-system has been developed; the main advantages and disadvantages of the CRM-systems usage in the activities of FRTN have been defined. The scientific and practical benefit of the suggested management model provides franchisor to carefully analyze all business processes, make managerial decisions in order to improve cooperation and support of franchisees, increase sales volumes, increase profitability, maintain franchisee loyalty, and create competitive advantages for the entire franchise network.

  18. Context-Aware Usage-Based Grid Authorization Framework

    Institute of Scientific and Technical Information of China (English)

    CUI Yongquan; HONG Fan; FU Cai

    2006-01-01

    Due to inherent heterogeneity, multi-domain characteristic and highly dynamic nature, authorization is a critical concern in grid computing. This paper proposes a general authorization and access control architecture, grid usage control (GUCON), for grid computing. It's based on the next generation access control mechanism usage control (UCON) model. The GUCON Framework dynamic grants and adapts permission to the subject based on a set of contextual information collected from the system environments; while retaining the authorization by evaluating access requests based on subject attributes, object attributes and requests. In general, GUCON model provides very flexible approaches to adapt the dynamically security request. GUCON model is being implemented in our experiment prototype.

  19. Les figures de l'usager de Twitter

    OpenAIRE

    Domenget , Jean-Claude

    2016-01-01

    International audience; L’analyse des figures de l’usager de Twitter représente un enjeu de recherche pour comprendre la construction de ces représentations diverses. L’objectif de cet article est d’analyser la notion d’usager dans le cadre de ce dispositif et d’interroger ses relations avec les notions de public(s), d’audience(s) et de communautés. Les quatre principales figures distinguées (twitto, consommateur, abonné, expert) sont étudiées à partir de deuxcritères majeurs : les principes ...

  20. The Terms in the Special Language: Norms, Usage, and Tendency

    Directory of Open Access Journals (Sweden)

    Virginija Stankevičienė

    2016-06-01

    Full Text Available One of the most important issues of terminology remains term variance (or synonymy. In order to find out the trends of terms usage in the language for specific purposes, the comprehensive analysis of dictionaries, coursebooks, students’ survey was carried out. It allowed to determine prevalent types in the terminology of economics and chemistry, to analyze the prevalence of Lithuanian and international terms synonymy, term usage tendencies in students’ language and academic texts. Summarizing the investigation results it can be stated that in the special language of economics and chemistry, term variants were both presented in dictionaries and used by teachers.

  1. Influences of forest usage on the remainder mass and soil

    Directory of Open Access Journals (Sweden)

    Alexey Rosabal Quintana

    2017-12-01

    Full Text Available The work was carried out in the handling area "Los Números" belonging to the mountainous ecosystem of the Silvicole Unit Guisa, with the objective of determining the damages to the soil and the remainder mass to the forest usage to give execution to this objective the transcept method was used where punctual observations for every 20 meters were made,, parcels rose and a striped florístic was elaborated from that of a total of 3 302 trees, they were downed 339 which caused the death of 1 313, causing that 7.7% of the usage area was impacted by hints or clearings.

  2. Fatigue - determination of a more realistic usage factor

    International Nuclear Information System (INIS)

    Lang, H.

    2001-01-01

    The ability to use a suitable counting method for determining the stress range spectrum in elastic and simplified elastic-plastic fatigue analyses is of crucial importance for enabling determination of a realistic usage factor. Determination of elastic-plastic strain range using the K e factor from fictitious elastically calculated loads is also important in the event of elastic behaviour being exceeded. This paper thus examines both points in detail. A fatigue module with additional options, which functions on this basis is presented. The much more realistic determination of usage factor presented here offers various economic benefits depending on the application

  3. Employees Technology Usage Adaptation Impact on Companies’ Logistics Service Performance

    Directory of Open Access Journals (Sweden)

    A. Zafer ACAR

    2018-01-01

    Full Text Available The information technology (IT capability of companies is one of the determinants of their competitive power. However, IT outputs depend on employees intentions to use them. As a technological investment Port automation systems are widely used in container terminals. Therefore behavioral intention in the usage of various IT applications is one of the important factors that may affect logistics service performance. This study aims to explore the employees' technology usage adaptation impact on the logistics service performance of ports. In this context, the behavioral intentions of employees who use port automation systems are investigated using the Technological Acceptance Model.

  4. Why dentists don't use rubber dam during endodontics and how to promote its usage?

    Science.gov (United States)

    Madarati, Ahmad A

    2016-02-25

    patterns of using rubber dam during undergraduate study were the most influencing factors. Better undergraduate education was the most important proposed measure to increase its usage. The combination of cotton rolls and saliva high-volume ejector or gauze was the most common alternative to rubber dam isolation.

  5. Optimizing block-based maintenance under random machine usage

    NARCIS (Netherlands)

    de Jonge, Bram; Jakobsons, Edgars

    Existing studies on maintenance optimization generally assume that machines are either used continuously, or that times until failure do not depend on the actual usage. In practice, however, these assumptions are often not realistic. In this paper, we consider block-based maintenance optimization

  6. Usage and User Experience of Communication before and during Rendezvous

    Science.gov (United States)

    Colbert, Martin

    2005-01-01

    This paper reports a field evaluation of the mobile phone as a "package" of device and services. The evaluation compares 44 university students' usage and user experience of communication before and during rendezvous. During a rendezvous (en route), students rated many aspects of the experience of phone use less favourably than before a rendezvous…

  7. Marine recreational fishing: resource usage, management and research

    CSIR Research Space (South Africa)

    Van der Elst, R

    1990-01-01

    Full Text Available This report contains papers presented at a symposium on marine recreational fishing: resource usage, management and research held on 22 and 23 May 1989 in the East London Museum under the auspices of the South African Deep Sea Angling Association...

  8. Channel perceptions and usage: beyond media richness factors

    NARCIS (Netherlands)

    Pieterson, Willem Jan; Teerling, Marije; Ebbers, Wolfgang E.; Wimmer, Maria A.; Scholl, Hans J.; Ferro, Enrico

    2008-01-01

    In this paper, we asses how service channel perceptions affect channel choice and channel usage. Building on communication theories, such as the Media Richness Theory, we explore how different channel characteristics are perceived by citizens in a Dutch governmental service chain. The results of our

  9. Designation of facility usage categories for Hanford Site facilities

    International Nuclear Information System (INIS)

    Woodrich, D.D.; Ellingson, D.R.; Scott, M.A.; Schade, A.R.

    1991-10-01

    This report summarizes the Hanford Site methodology used to ensure facility compliance with the natural phenomena design criteria set forth in the US Department of Energy Orders and guidance. The current Hanford Site methodology for Usage Category designation is based on an engineered feature's safety function and on the feature's assigned Safety Class. At the Hanford Site, Safety Class assignments are deterministic in nature and are based on teh consequences of failure, without regard to the likelihood of occurrence. The report also proposes a risk-based approach to Usage Category designation, which is being considered for future application at the Hanford Site. To establish a proper Usage Category designation, the safety analysis and engineering design processes must be coupled. This union produces a common understanding of the safety function(s) to be accomplished by the design feature(s) and a sound basis for the assignment of Usage Categories to the appropriate systems, structures, and components. 4 refs., 9 figs., 1 tab

  10. A Behavioural Model of E-Banking Usage in Italy

    Directory of Open Access Journals (Sweden)

    Guendalina Capece

    2013-06-01

    Full Text Available E‐banking is defined as the automated delivery of new and traditional banking products and services directly to customers through electronic, interactive communication channels. “Pure online” banks are characterized by the absence of physical windows and front‐office personnel. Traditional banks are still integrating traditional distribution channels with online ones; the scenario is therefore still evolving over time. Despite the intrinsic potentialities, Italy is far from being a leader in the usage of innovative online instruments in the banking system and will struggle with new innovation waves. In this paper, we measure the potential effective ebanking usage. Furthermore, we investigate the behaviour of users and adopters, identifying the major causes influencing satisfaction and usage and the impact of these different causes on the intensity of utilization. The analysis is based on a panel of 495 real users, thus allowing the profiling of the Italian adopter to discover the causes of usage and outline strategies for the growth of e‐banking services in Italy.

  11. Influence of children pedestrian behaviour on pedestrian space usage

    Science.gov (United States)

    Makalew, F. P.; Adisasmita, S. A.; Wunas, S.; Hamid, S.

    2017-11-01

    School children pedestrian behaviour can be seen along their journey to and from school. Pedestrian spaces used by children are places available in urban and rural areas including streets with and without pedestrian pathways. Samples data are collected from 23 elementary schools in urban and rural areas in North Sulawesi, Indonesia in the form of video records and photos taken. The aim of this research is to analyse children pedestrian behaviour and its influence on the space usage on pedestrian areas. Method of analysis is a comparative study on urban and rural areas. Results of this research are types of behaviour, factors that influence the behaviour, physical condition of pedestrian areas and space usage by children. The behaviours are duck-line walking, running, playing, walking backward and walking with bare foot in which running is the main behaviour. These behaviours are influenced by factors including following friends and responding to acts. There are similarities and differences between pedestrian space usage in urban and rural areas. Space use by children pedestrian demonstrates the way pedestrian areas should be planned. Space usage by children pedestrian indicates that there is a need of evaluation of the space available considering pedestrian children behaviour.

  12. Young adult consumers' media usage and online purchase likelihood

    African Journals Online (AJOL)

    ... marketers have to ensure that they understand these consumers' wants and needs and ... The objectives of the study are to establish the media usage of traditional ... The target audience included students between 18 and 24 years at one of ...

  13. A Retrospective Evaluation of Intravenous Fluid Usage in Animal ...

    African Journals Online (AJOL)

    n=5), isoplasma (n=3), darrows solution (n=2) and 10% dextrose (n=1). In conclusion, this study revealed that indication for IV fluid usage in VTH, Nsukka was strongly associated with the species and health status of the animals. Also, some ...

  14. Characterization and usage of sexed semen from US field data

    Science.gov (United States)

    The objectives were to characterize sexed semen available and its usage from US field data. This included investigating active Holstein proven bulls with sexed semen available, as well as percentages and frequencies of sexed semen matings for heifers and cows. Herds were also characterized for the...

  15. Usage of patriotic motives in promotion of products in markets

    Directory of Open Access Journals (Sweden)

    Bozhkova Viktoriia Viktorivna

    2015-12-01

    Full Text Available In the article the patriotic motives essence in the appeals of manufacturers has been analyzed; the classification of means, which can be used in the appeals with patriotic implication, has been proposed; the directions of justification of expediency of patriotic motives usage for manufacturers have been defined.

  16. Assessment of Antibiotic Usage in Some Selected Livestock Farms ...

    African Journals Online (AJOL)

    A survey to assess the use of antibiotics was conducted in 120 livestock farms across the 4 agricultural zones of Oyo state, Nigeria. Data were collected through the use of structured questionnaires on respondents characteristics; educational status, usage, adherence to prescription and withdrawal periods and were ...

  17. Antibiotic usage pattern in selected poultry farms in Ogun state ...

    African Journals Online (AJOL)

    A survey was conducted from March 2011 to July 2011 on antibiotic usage pattern in selected poultry farms in Ogun State. Using a well-structured questionnaire, a total of 58 poultry farms were randomly surveyed from the four geo-political zones of Ogun State. All the 58 (100%) poultry farms used one or more antibiotics.

  18. Tense Usage Analysis in Verb Distribution in Brazilian Portuguese.

    Science.gov (United States)

    Hoge, Henry W., Comp.

    This section of a four-part research project investigating the syntax of Brazilian Portuguese presents data concerning tense usage in verb distribution. The data are derived from the analysis of selected literary samples from representative and contemporary writers. The selection of authors and tabulation of data are also described. Materials…

  19. Accelerated Peer-Review Journal Usage Technique for Undergraduates

    Science.gov (United States)

    Wallace, J. D.

    2008-01-01

    The internet has given undergraduate students ever-increasing access to academic journals via search engines and online databases. However, students typically do not have the ability to use these journals effectively. This often poses a dilemma for instructors. The accelerated peer-review journal usage (APJU) technique provides a way for…

  20. Game-Theoretic Models for Usage-based Maintenance Contract

    Science.gov (United States)

    Husniah, H.; Wangsaputra, R.; Cakravastia, A.; Iskandar, B. P.

    2018-03-01

    A usage-based maintenance contracts with coordination and non coordination between two parties is studied in this paper. The contract is applied to a dump truck operated in a mining industry. The situation under study is that an agent offers service contract to the owner of the truck after warranty ends. This contract has only a time limit but no usage limit. If the total usage per period exceeds the maximum usage allowed in the contract, then the owner will be charged an additional cost. In general, the agent (Original Equipment Manufacturer/OEM) provides a full coverage of maintenance, which includes PM and CM under the lease contract. The decision problem for the owner is to select the best option offered that fits to its requirement, and the decision problem for the agent is to find the optimal maintenance efforts for a given price of the service option offered. We first find the optimal decisions using coordination scheme and then with non coordination scheme for both parties.

  1. Understanding social media program usage in public transit agencies

    Directory of Open Access Journals (Sweden)

    Jenny H. Liu

    2016-10-01

    Full Text Available Social media has been gaining prominence in public transit agencies in their communication strategies and daily management. This study aims to better understand recent trends in social media usage in public transit agencies, to examine which agencies use what kind of social media programs for what purposes, and how they measure their programs. A survey was conducted of the top transit agencies in the nation, and results are examined through descriptive statistical analysis, correlation analysis and regression modeling. We found that while most agencies still lack clearly-defined goals and performance metrics to guide their social media development, many are increasing their social media capacity with more structural components. Public transit service usage and the level of transit service provision are the most significant determinants of agencies’ social media programming and resource investments. In contrast, the measurement of social media usage and outcomes is more significantly related to city attributes and demographic characteristics. We anticipate an increase in the usage of social media to convey transit related stories and livability benefits, such as environmental sensitivity or safety improvements, as these programs expand. Public transit agencies’ commitment to measuring social media outcomes underscores the future research need to develop best practices for measuring the impacts and performance of social media communications and investments.

  2. Students' access usage and awareness of electronic information ...

    African Journals Online (AJOL)

    Students' access usage and awareness of electronic information resources at the University College Hospital, University of Ibadan, Nigeria. RA Ojo, SO Akande. Abstract. No Abstract. Lagos Journal of Library and Information Science Vol. 3(1) 2005: 16-24. Full Text: EMAIL FULL TEXT EMAIL FULL TEXT · DOWNLOAD ...

  3. the impacts of smartphones usage to third year undergraduates

    African Journals Online (AJOL)

    Elias

    The Impact of Smart-phones Usage on Third-Year Undergraduates in Tanzania: A .... Business School (UDBS), School of Education (SoED), College of ... which was indicated by 120 (82%) respondents; social networking as .... performance of academic activities as of medium extent, small extent, and no extent whereas.

  4. E-Library and Traditonal Library Resources Usage: A Comparative ...

    African Journals Online (AJOL)

    A comparative usage of e-library and traditional resources in Nigerian libraries was examined in this study. A descriptive survey method was adopted and a purposive sampling technique was used to select the sample and the process produced 125 academic, research, and public libraries in Nigeria. A total of 116 cases ...

  5. Domestic Electricity Usage Regulation Using µCHP Appliances

    NARCIS (Netherlands)

    Molderink, Albert; Bakker, Vincent; Hurink, Johann L.; Smit, Gerardus Johannes Maria; Kokkeler, Andre B.J.

    Energy saving is a hot topic. People are getting more and more aware of their energy usage because of continuously rising energy prices and awareness of the greenhouse problem. One of the most important causes of the greenhouse effect is the massive emission of carbon dioxide (CO2). CO2 is produced

  6. Advanced American Idioms: A Guide to Everyday Usage.

    Science.gov (United States)

    Allan, Edward Jay

    A guide to several hundred common American idioms and slang phrases such as "to get something straight,""to mooch," and "in the bag" provides definitions, examples of usage, variations, and explanations when appropriate. A list of common abbreviations, such as "ASAP," and their referents is also included. (MSE)

  7. USAGE OF MULTIMEDIA TECHNOLOGIES IN TRAINING OF HIGHER EDUCATIONAL STUDENT

    Directory of Open Access Journals (Sweden)

    Svitlana S. Ryzhenko

    2010-08-01

    Full Text Available The article deals with the sensibility of multimedia means of education usage in different types of classes (lectures, practical, seminars and laboratory work. Recommendations as for the giving lectures on the basis of multimedia means of education are given. The article also presents the analysis of the students’ level comprehension of the material presented in a multimedia format.

  8. Investigating Students' Usage and Acceptance of Electronic Books

    Science.gov (United States)

    Sieche, Susan; Krey, Birte; Bastiaens, Theo

    2013-01-01

    The purpose of this study is to investigate students' usage and acceptance of electronic books. Factors correlating with students' attitude towards e-books were examined using the Technology Acceptance Model (Davis, Bagozzi, & Warshaw 1989). A questionnaire was administered online for students at University of Hagen. Results indicate that…

  9. Electronic Book Usage: A Survey at the University of Denver

    Science.gov (United States)

    Levine-Clark, Michael

    2006-01-01

    In the spring of 2005, the University of Denver's Penrose Library conducted a survey of its users to determine their degree of awareness of electronic books, how and why they use them, and their level of satisfaction with the format. It is clear from vendor-supplied usage statistics that electronic books are used, but it is not clear how or why…

  10. Genomic composition factors affect codon usage in porcine genome

    African Journals Online (AJOL)

    j.khobondo

    2015-01-28

    Jan 28, 2015 ... The mutational bias hypothesis predicted that genes in the GC-rich regions of the genome ... observed codon divided by its expected frequency at equilibrium. An RSCU value close to 1 indicates lack of bias, ..... study our results points to preferred usage of both C or G and A or T at the synonyms sites as ...

  11. Determinants of Contraceptive Usage among Married Women in Shiraz, Iran

    Directory of Open Access Journals (Sweden)

    Khadijeh Asadisarvestani

    2017-10-01

    Full Text Available Background & aim: Contraceptive usage is a central part of the quality of care in the provision of family services. Currently, this issue has gained much importance since the Iranian policy makers are changing their policies about family planning and contraceptives accessibility. Regarding this, the aim of this study was to determine the rate of contraceptive usage and the factors affecting contraceptive use among the married women of reproductive age in Shiraz County, Iran. Methods: This cross-sectional study was conducted on 626 married women of reproductive age (i.e., 15-49 years living in Shiraz County (including Shiraz city and the rural areas using the quantitative survey method. Sampling was performed using multi-stage cluster and purposive sampling techniques. The sample size was determined based on the Krejcie and Morgan’s formula. The data were collected through a questionnaire filled out by some interviewers. Data analysis was performed both descriptively (i.e., frequency and percentage and analytically (i.e., Chi-square and logistic regression tests using the SPSS version 20. Results: According to the results of this study, the main predictors of contraceptive usage were couple agreement on contraception method, the number of actual births, women’s authority, knowledge and positive attitude about contraceptives, and the number of desired children. Conclusion: Regarding the new population policies, the Iranian policy makers should be aware of the different aspects of family planning programs, particularly those targeting the contraceptive usage.

  12. A usage-centered evaluation methodology for unmanned ground vehicles

    NARCIS (Netherlands)

    Diggelen, J. van; Looije, R.; Mioch, T.; Neerincx, M.A.; Smets, N.J.J.M.

    2012-01-01

    This paper presents a usage-centered evaluation method to assess the capabilities of a particular Unmanned Ground Vehicle (UGV) for establishing the operational goals. The method includes a test battery consisting of basic tasks (e.g., slalom, funnel driving, object detection). Tests can be of

  13. Usage-Based Collection Evaluation with a Curricular Focus

    Science.gov (United States)

    Kohn, Karen C.

    2013-01-01

    Systematic evaluation of a library's collection can be a useful tool for collection development. After reviewing three evaluation methods and their usefulness for our small academic library, I undertook a usage-based evaluation, focusing on narrow segments of our collection that served specific undergraduate courses. For each section, I collected…

  14. Evaluation of School Library Resources, Services and Usage: A ...

    African Journals Online (AJOL)

    The paper evaluates the library resources services and usage in the International School, University of Ibadan. Data for the study was collected by means of questionnaires administered to students, staff and the librarian of the school. Interviews were conducted and records were observed to support the data gathered The ...

  15. Economic Evaluation pf Antibacterial Usage in Ear, Nose and Throat ...

    African Journals Online (AJOL)

    Purpose: To carry out economic evaluation of antibacterial usage for Ear, Nose and Throat infections in a tertiary health care facility in Nigeria. Methods: Antibacterial utilisation evaluation was carried out retrospectively over one year period by reviewing 122 case notes containing 182 prescriptions of patient with Ear Nose ...

  16. Anabolic steroid usage in athletics: facts, fiction, and public relations.

    Science.gov (United States)

    Berning, Joseph M; Adams, Kent J; Stamford, Bryant A

    2004-11-01

    Anecdotal evidence suggests the widespread usage of anabolic steroids among athletes (20-90%), particularly at the professional and elite amateur levels. In contrast, scientific studies indicate that usage is rare and no higher than 6%. Conclusions from scientific studies suggest that anabolic steroid usage declines progressively from high school to college and beyond; however, anecdotal evidence claims the opposite trend. In this clash between "hard" scientific data vs. "soft" anecdotal information, it is natural that professionals would gravitate toward scientifically based conclusions. However, in the case of anabolic steroids (a stigmatized and illegal substance), should word-of-mouth testimony from individuals closest to the issues--those who have participated in and coached sports, those who have served as drug-testing overseers, and journalists who relentlessly track leads and verify sources--be set aside as irrelevant? Not if a complete picture is to emerge. In this review, hard scientific evidence is placed on the table side-by-side with soft anecdotal evidence, without weighting or bias. The purpose is to allow the opportunity for each to illuminate the other and, in so doing, potentially bring us a step closer to determining the true extent of anabolic steroid usage in athletics.

  17. Understanding virtual world usage : A multipurpose model and empirical testing

    NARCIS (Netherlands)

    Verhagen, Tibert; Feldberg, Frans; Van Den Hooff, Bart; Meents, Selmar

    2009-01-01

    This study reports an attempt to enhance our understanding of the reasons behind virtual world usage. By providing a mixture of utilitarian and hedonic value, virtual worlds represent an emerging class of multipurpose information systems (MPIS). Previous research seems to fall short in explaining

  18. Awareness and usage of automated library systems by patrons in ...

    African Journals Online (AJOL)

    The emergence of automated information systems in libraries has changed the landscape of library environment. This paper assessed awareness and usage of automated information systems in two academic libraries in Nigeria; University of Lagos Main Library and Keneth Dike Library, University of Ibadan. Survey ...

  19. Assessing Usage and Maximizing Finance Lab Impact: A Case Exploration

    Science.gov (United States)

    Noguera, Magdy; Budden, Michael Craig; Silva, Alberto

    2011-01-01

    This paper reports the results of a survey conducted to assess students' usage and perceptions of a finance lab. Finance labs differ from simple computer labs as they typically contain data boards, streaming market quotes, terminals and software that allow for real-time financial analyses. Despite the fact that such labs represent significant and…

  20. Optimizing Memory Usage in L4-Based Microkernel

    OpenAIRE

    Petre Eftime; Lucian Mogoşanu; Mihai Carabaş; Răzvan Deaconescu; Laura Gheorghe; Valentin Gabriel Voiculescu

    2017-01-01

    Memory allocation is a critical aspect of any modern operating system kernel because it must run continuously for long periods of time, therefore memory leaks and inefficiency must be eliminated. This paper presents different memory management algorithms and their aplicability to an L4-based microkernel. We aim to reduce memory usage and increase the performance of allocation and deallocation of memory.

  1. Geography Teachers' Usage of the Internet for Education Purposes

    Science.gov (United States)

    Sezer, Adem

    2010-01-01

    The purpose of this study is to determine geography teachers' use of the Internet for education purposes and the extent to which Turkish Internet sites can fulfill the needs and requirements of geography teachers' Internet usage. Research is carried out using the screening method. Data were collected by means of a measurement tool that was…

  2. 1991 National campaign to increase safety belt usage.

    NARCIS (Netherlands)

    National Highway Traffic Safety Administration NHTSA

    1992-01-01

    The central theme of this paper is the national campaign of the USA to be conducted in 1991 and 1992, in order to reach the goal of 70 percent safety belt usage by 1992. Among other things, it is shown that visible enforcement of existing laws offers the greatest potential for achieving this goal.

  3. Multimedia Usage among Islamic Education Lecturers at Higher Education Institution

    Science.gov (United States)

    Hamzah, Mohd Isa; Rinaldi; Razak, Khadijah Abdul

    2014-01-01

    This study aims to examine the level of multimedia usage among Islamic education lecturers at higher education institutions in West Sumatera, Indonesia. The participants were chosen from three types of higher institutions by using stratified random sampling. The data was collected from 250 students using questionnaires. The findings showed that…

  4. Measuring ICT usage quality for information society building

    DEFF Research Database (Denmark)

    Schlichter, Bjarne Rerup; Danylchenko, Lesya

    2014-01-01

    In 2003 the World Summit on Information Society made a call for measuring the state of Information Society (IS) building between countries. The purpose of the measuring was to assess and compare IS practices around the globe as well as share best practices. A number of measurement tools have sinc...... levels of ICT usage for the purpose of better policy-making, while establishing an information society, is accentuated....... these indicators on the actual levels of Information and Communication Technology (ICT) usage off the country’s stakeholders. This paper analyses the most currently used indices for measuring the state of Information Society building from the perspective of their constituent indicators. Based on the analysis......, an alternative framework for IS measurement, addressing the important aspects of ICT usage quality, is developed based on data from EU member states. By applying the framework on measuring of ICT usage quality at Romania, Cyprus and Estonia, the usefulness is tested positive, and the need to evaluate the actual...

  5. Pre Service Teachers' Usage of Dynamic Mathematics Software

    Science.gov (United States)

    Bulut, Mehmet; Bulut, Neslihan

    2011-01-01

    Aim of this study is about mathematics education and dynamic mathematics software. Dynamic mathematics software provides new opportunities for using both computer algebra system and dynamic geometry software. GeoGebra selected as dynamic mathematics software in this research. In this study, it is investigated that what is the usage of pre service…

  6. Mobile phone usage in rural communities in Kwara state, Nigeria ...

    African Journals Online (AJOL)

    The rise in mobile telephony has continued to bridge the wide disparity between urban and rural dwellers, although there are suggestions that mobile phones have not been optimally utilized by rural dwellers. In view of this, the main aim of this study was to examine mobile phone usage in rural communities of Kwara State, ...

  7. Prototyping Service Discovery and Usage in Wireless Sensor Networks

    NARCIS (Netherlands)

    Marin Perianu, Raluca; Scholten, Johan; Havinga, Paul J.M.

    2007-01-01

    Heterogeneous Wireless Sensor Networks (WSNs) are envisioned to provide different types of services in an open and dynamic environment. This paper presents the design, implementation and evaluation of a service discovery and usage solution for heterogeneous WSNs. The users have the possibility to

  8. The Selective Advantage of Synonymous Codon Usage Bias in Salmonella.

    Directory of Open Access Journals (Sweden)

    Gerrit Brandis

    2016-03-01

    Full Text Available The genetic code in mRNA is redundant, with 61 sense codons translated into 20 different amino acids. Individual amino acids are encoded by up to six different codons but within codon families some are used more frequently than others. This phenomenon is referred to as synonymous codon usage bias. The genomes of free-living unicellular organisms such as bacteria have an extreme codon usage bias and the degree of bias differs between genes within the same genome. The strong positive correlation between codon usage bias and gene expression levels in many microorganisms is attributed to selection for translational efficiency. However, this putative selective advantage has never been measured in bacteria and theoretical estimates vary widely. By systematically exchanging optimal codons for synonymous codons in the tuf genes we quantified the selective advantage of biased codon usage in highly expressed genes to be in the range 0.2-4.2 x 10-4 per codon per generation. These data quantify for the first time the potential for selection on synonymous codon choice to drive genome-wide sequence evolution in bacteria, and in particular to optimize the sequences of highly expressed genes. This quantification may have predictive applications in the design of synthetic genes and for heterologous gene expression in biotechnology.

  9. Social network site usage and personal relations of migrants

    NARCIS (Netherlands)

    Damian, E.; van Ingen, E.J.

    2014-01-01

    In this study, we examine the relation between social network site (SNS) usage and the personal networks of immigrants, using a unique dataset composed of a representative sample of immigrants living in the Netherlands. In theory, SNSs can be a helpful tool for immigrants, because they may help

  10. Radiologists' Usage of Social Media : Results of the RANSOM Survey

    NARCIS (Netherlands)

    Ranschaert, Erik R.; Van Ooijen, Peter M. A.; McGinty, Geraldine B.; Parizel, Paul M.

    The growing use of social media is transforming the way health care professionals (HCPs) are communicating. In this changing environment, it could be useful to outline the usage of social media by radiologists in all its facets and on an international level. The main objective of the RANSOM survey

  11. Factors Influencing the Usage of Insecticide Treated Mosquito Nets ...

    African Journals Online (AJOL)

    Purpose: Malaria in Sudan is a leading cause of morbidity and mortality. ... treated mosquito nets (ITNs) for prevention of malaria among pregnant women. ... on malaria causes, 103 (99%) had good knowledge on malaria complications and ... and accessibility to ITNs were significantly associated with current usage of ITNs.

  12. Comparative Costs of Antibacterial Usage in Sexually Transmitted ...

    African Journals Online (AJOL)

    Erah

    Purpose: To evaluate the cost of antibacterial usage to patients in a tertiary health facility in Nigeria. Methods: Drug utilization evaluation was carried out retrospectively among patients with sexually transmitted infections (STIs) over a one-year period between 2005 and 2006 in Lagos University. Teaching Hospital (LUTH) ...

  13. Codon usage determines translation rate in Escherichia coli

    DEFF Research Database (Denmark)

    Sørensen, Michael Askvad; Kurland, C G; Pedersen, Steen

    1989-01-01

    We wish to determine whether differences in translation rate are correlated with differences in codon usage or with differences in mRNA secondary structure. We therefore inserted a small DNA fragment in the lacZ gene either directly or flanked by a few frame-shifting bases, leaving the reading fr...

  14. Factors constraining accessibility and usage of information among ...

    African Journals Online (AJOL)

    Various factors may negatively impact on information acquisition and utilisation. To improve understanding of the determinants of information acquisition and utilisation, this study investigated the factors constraining accessibility and usage of poultry management information in three rural districts of Tanzania. The findings ...

  15. Social Media Usage: Examination of Influencers and Effects

    Science.gov (United States)

    Brooks, Stoney L.

    2013-01-01

    This dissertation is concerned with investigating topics surrounding the phenomenon of social media usage. Essay One draws from the technology acceptance literature by utilizing concepts from the Technology Acceptance Model (TAM), the Unified Theory of Acceptance and Use of Technology (UTAUT), and the model of hedonic technology acceptance. The…

  16. Assessment of Computer Software Usage for Estimating and Tender ...

    African Journals Online (AJOL)

    It has been discovered that there are limitations to the use of computer software packages in construction operations especially estimating and tender analysis. The objectives of this research is to evaluate the level of computer software usage for estimating and tender analysis while also assessing the challenges faced by ...

  17. Comparative studies on codon usage pattern of chloroplasts and ...

    Indian Academy of Sciences (India)

    Unknown

    different genomic organization and mutation pressures in nuclear and chloroplast genes. The results of Nc-plots and neutrality plots ... As an important organelle of plants, the chloroplast has its own genomic environment and ... leading to the suggestion that the translation mechanism and patterns of codon usage in ...

  18. Electronic resources access and usage among the postgraduates of ...

    African Journals Online (AJOL)

    ... and usage among the postgraduates of a Nigerian University of Technology. ... faced by postgraduates in using e-resources include takes too much time to find, ... Resources, Access, Use, Postgraduat, Students, University, Technology, Nigeria ... By Country · List All Titles · Free To Read Titles This Journal is Open Access.

  19. A dynamic usage based perspective on L2 writing

    NARCIS (Netherlands)

    Verspoor, M.H.; Schmid, M.S.; Xu, X.

    The goal of this study was to explore the contribution that a dynamic usage based (DUB) perspective can bring to the establishment of objective measures to assess L2 learners' written texts and at the same time to gain insight into the dynamic process of language development. Four hundred and thirty

  20. The dynamics of a usage-based approach

    NARCIS (Netherlands)

    Verspoor, Marjolijn; Daems, Jocelyn; Zenner, Eline; Heylen, Kris; Speelman, Dirk; Cuyckens, Hubert

    2015-01-01

    This contribution seeks to connect usage based linguistics with dynamic systems theory, in particular as applied by Edelman (1989) and Thelen and Smith (1994). Edelman’s dynamic biological system starts off with a few simple sub-systems (perception, action, value), all of which interacting with each

  1. Jungle Juice: Knowledge and Usage Among Kenyan Surgical Teams

    African Journals Online (AJOL)

    usage of jungle juice on patients in Kenyan public hospitals. Objectives: To .... and the management of the selected institutions ... given to 10kg child indicated that none of the surgeons ... 38(5.8%); burn surgery 37(5.6%); dentistry 24(3.6%).

  2. Determinants of Fertilizer Usage in Dry Season Amaranthus ...

    African Journals Online (AJOL)

    Major tools of analysis used for the study were descriptive statistics and the logistic regression model. The result of analysis revealed that the usage of recommended soil fertility management practices in the study area is low. Furthermore, results of the logistic regression model showed that farm size, contacts with extension ...

  3. Spectrum of microbial growth and antimicrobial usage in an ...

    African Journals Online (AJOL)

    Intensive-care units (ICUs) are a source of multidrug-resistant organisms, owing to the indiscriminate usage of broad-spectrum antimicrobial drugs. In such ... Staphylococcus aureus was the most common isolate from blood and central venous lines, and Pseudomonas aeruginosa from tracheal aspirates and wound swabs.

  4. The influence of farmer perception on pesticide usage for ...

    African Journals Online (AJOL)

    A case study conducted in eastern Uganda revealed that: (a) pesticide usage depended on farmer production goal, (b) change from one pesticide to another depended on ... Ces résults ont fermément montré que les recommendations de la gestion des pestes aux fermiers doivent prendre en considération la perception des ...

  5. Consumer-Centered Extension Education Website Increases Usage

    Science.gov (United States)

    Franics, Sarah L.; Martin, Peggy; Taylor, Kristin

    2012-01-01

    Concern about young families' ability to cope with rising food prices resulted in creating Spend Smart. Eat Smart (SSES), a website focused on budget-friendly nutrition information for limited resource audiences (LRA). SSES was redesigned using LRAs needs and preferences to increase use by LRAs. SSES usage increased after it was revised to…

  6. Informing Evidence Based Decisions: Usage Statistics for Online Journal Databases

    Directory of Open Access Journals (Sweden)

    Alexei Botchkarev

    2017-06-01

    Full Text Available Abstract Objective – The primary objective was to examine online journal database usage statistics for a provincial ministry of health in the context of evidence based decision-making. In addition, the study highlights implementation of the Journal Access Centre (JAC that is housed and powered by the Ontario Ministry of Health and Long-Term Care (MOHLTC to inform health systems policy-making. Methods – This was a prospective case study using descriptive analysis of the JAC usage statistics of journal articles from January 2009 to September 2013. Results – JAC enables ministry employees to access approximately 12,000 journals with full-text articles. JAC usage statistics for the 2011-2012 calendar years demonstrate a steady level of activity in terms of searches, with monthly averages of 5,129. In 2009-2013, a total of 4,759 journal titles were accessed including 1,675 journals with full-text. Usage statistics demonstrate that the actual consumption was over 12,790 full-text downloaded articles or approximately 2,700 articles annually. Conclusion – JAC’s steady level of activities, revealed by the study, reflects continuous demand for JAC services and products. It testifies that access to online journal databases has become part of routine government knowledge management processes. MOHLTC’s broad area of responsibilities with dynamically changing priorities translates into the diverse information needs of its employees and a large set of required journals. Usage statistics indicate that MOHLTC information needs cannot be mapped to a reasonably compact set of “core” journals with a subsequent subscription to those.

  7. A Comparative Study of Mobile Internet Usage between the U.S. and Korea

    Directory of Open Access Journals (Sweden)

    Luke Yunkeun Shin

    2014-08-01

    Full Text Available The introduction of smartphones illuminated mobile internet prevalence, highlighting nomophobia. This study explored the mobile internet usage dependency of Korean and U.S. mobile users and investigated the severity of such usage dependency and the factors involved. In the combined data set, it was found that Korean users have higher usage dependency levels than US users and that students, unemployed users, and younger generations are more susceptible to mobile internet usage dependency. When comparing the two countries as separate data sets Korean females present as having higher usage dependency levels. In the U.S., it is students and younger generation groups who present with higher usage dependency levels. Regression analysis found that frequency of access has higher associations with mobile internet usage dependency than usage length. country of origin and age are significantly associated with mobile internet usage dependency.

  8. Accepting or fighting unlicensed usage : Can firms reduce unlicensed usage by optimizing their timing and pricing strategies?

    NARCIS (Netherlands)

    Burmester, Alexa B.; Eggers, Felix; Clement, Michel; Prostka, Tim

    The rise of the Internet and new online services have led to the wide-scale illegal distribution of digital entertainment products, such as music, movies, games, and books. We analyze whether firms in the entertainment industry should fight unlicensed usage by providing specific offers that maximize

  9. fine-GRAPE : Fine-grained APi usage extractor – an approach and dataset to investigate API usage

    NARCIS (Netherlands)

    Sawant, A.A.; Bacchelli, A.

    An Application Programming Interface (API) provides a set of functionalities to a developer with the aim of enabling reuse. APIs have been investigated from different angles such as popularity usage and evolution to get a better understanding of their various characteristics. For such studies,

  10. WATER LAW AND MODEL OF RESPONSIBLE WATER USAGE

    Directory of Open Access Journals (Sweden)

    Dmitri Olegovitch Sivakov

    2017-03-01

    Full Text Available As it is known, the water law regulates dynamic social relationships concerning study, usage and protection of water objects, as well as their transformation. The water law explicitly regulates water economic activities. The regulatory method of the water law has a mixed nature and thus is not distinctive. It predetermines in some cases equality and independence of subjects of relationships (water usage agreement and in other – power and submission (permissive nature of water usage. The aim of the publication is to promote scientific ideas about the fate of the water law in order to make a further polygonal and productive discussion in which the reader is invited to participate. Scientific novelty. In 2016 the monograph of D.O. Sivakov “Water law: dynamics, problems, perspectives: monograph” (second edition, reviewed and updated. Moscow: Stolitsa, 2016. 540 p. was published. In 2017 the author reconsidered some conclusions of his monograph and applied scientific achievements of theory of state and law in water sphere. In accordance with this, it is important to mention research of Petrov D.E. related to issues of differentiation and integration of structural formations of Russian legal system. The scientific novelty of the article includes the synthesis of ideas of the monograph and some achievements of theory of state and law. Methods of research. The author of the article relies on some collective and individual monographic studies in the sphere of theory of state and law, natural resource law, arctic law, financial law. Basic results of research. The author promotes the model of responsible water usage. This model shall be based not on the unstable balance of economic and environmental interests (which shall practically lead to the domination of economic interests, but on the obligatory combination of economic activities with technologies, ensuring maximal preservation of water resources. Responsible water usage shall mean a system of

  11. Determination of the usage factor of components after cyclic loading by means of high-resolution microstructural examination

    International Nuclear Information System (INIS)

    Seibold, A.; Scheibe, A.; Assmann, H.D.

    1991-01-01

    Materials subjected to cyclic loading experience a change in the microstructure which may affect the service life. Quantification of the microstructural changes and allocation of the microstructural condition to the corresponding point on the fatigue curve for the component material allows the usage factor to be derived. Taking the low-alloy, fine-grained structural steel 20MnMoNi55 (quenched and tempered structure) as an example, the relationship between microstructure and number of load cycles can be represented in the form of a reference curve. High-resolution examination allows the usage factor to be determined up to η=N/N f ≅0.5 under the given cyclic loading. Only a small specimen volume is required for examination using a transmission electron microscope. It can be taken from the component without affecting the required minimum wall thickness. The location of the specimen must, however, be stipulated, e.g. the location of highest loading according to calculations. When removing the specimen, care must be taken to ensure that the micro-structure is not affected. If these requirements are observed, high-resolution microstructural examination provides a method for checking the usage factor of a component. (orig.)

  12. How smartphone usage correlates with social anxiety and loneliness

    Directory of Open Access Journals (Sweden)

    Yusong Gao

    2016-07-01

    Full Text Available Introduction: Early detection of social anxiety and loneliness might be useful to prevent substantial impairment in personal relationships. Understanding the way people use smartphones can be beneficial for implementing an early detection of social anxiety and loneliness. This paper examines different types of smartphone usage and their relationships with people with different individual levels of social anxiety or loneliness. Methods: A total of 127 Android smartphone volunteers participated in this study, all of which have agreed to install an application (MobileSens on their smartphones, which can record user’s smartphone usage behaviors and upload the data into the server. They were instructed to complete an online survey, including the Interaction Anxiousness Scale (IAS and the University of California Los Angeles Loneliness Scale (UCLA-LS. We then separated participants into three groups (high, middle and low based on their scores of IAS and UCLA-LS, respectively. Finally, we acquired digital records of smartphone usage from MobileSens and examined the differences in 105 types of smartphone usage behaviors between high-score and low-score group of IAS/UCLA-LS. Results: Individuals with different scores on social anxiety or loneliness might use smartphones in different ways. For social anxiety, compared with users in low-score group, users in high-score group had less number of phone calls (incoming and outgoing (Mann-Whitney U = 282.50∼409.00, p U = 388.50, p < 0.01. Discussion: The results show that individuals with social anxiety or loneliness receive less incoming calls and use healthy applications more frequently, but they do not show differences in outgoing-call-related features. Individuals with higher levels of social anxiety also receive less SMSs and use camera apps less frequently, while lonely individuals tend to use system, beautify, browser and social media (RenRen apps more frequently. Conclusion: This paper finds that

  13. How smartphone usage correlates with social anxiety and loneliness.

    Science.gov (United States)

    Gao, Yusong; Li, Ang; Zhu, Tingshao; Liu, Xiaoqian; Liu, Xingyun

    2016-01-01

    Early detection of social anxiety and loneliness might be useful to prevent substantial impairment in personal relationships. Understanding the way people use smartphones can be beneficial for implementing an early detection of social anxiety and loneliness. This paper examines different types of smartphone usage and their relationships with people with different individual levels of social anxiety or loneliness. A total of 127 Android smartphone volunteers participated in this study, all of which have agreed to install an application (MobileSens) on their smartphones, which can record user's smartphone usage behaviors and upload the data into the server. They were instructed to complete an online survey, including the Interaction Anxiousness Scale (IAS) and the University of California Los Angeles Loneliness Scale (UCLA-LS). We then separated participants into three groups (high, middle and low) based on their scores of IAS and UCLA-LS, respectively. Finally, we acquired digital records of smartphone usage from MobileSens and examined the differences in 105 types of smartphone usage behaviors between high-score and low-score group of IAS/UCLA-LS. Individuals with different scores on social anxiety or loneliness might use smartphones in different ways. For social anxiety, compared with users in low-score group, users in high-score group had less number of phone calls (incoming and outgoing) (Mann-Whitney U = 282.50∼409.00, p social media (RenRen) (Mann-Whitney >U = 388.50, p social anxiety or loneliness receive less incoming calls and use healthy applications more frequently, but they do not show differences in outgoing-call-related features. Individuals with higher levels of social anxiety also receive less SMSs and use camera apps less frequently, while lonely individuals tend to use system, beautify, browser and social media (RenRen) apps more frequently. This paper finds that there exists certain correlation among smartphone usage and social anxiety and

  14. How smartphone usage correlates with social anxiety and loneliness

    Science.gov (United States)

    Liu, Xiaoqian; Liu, Xingyun

    2016-01-01

    Introduction: Early detection of social anxiety and loneliness might be useful to prevent substantial impairment in personal relationships. Understanding the way people use smartphones can be beneficial for implementing an early detection of social anxiety and loneliness. This paper examines different types of smartphone usage and their relationships with people with different individual levels of social anxiety or loneliness. Methods: A total of 127 Android smartphone volunteers participated in this study, all of which have agreed to install an application (MobileSens) on their smartphones, which can record user’s smartphone usage behaviors and upload the data into the server. They were instructed to complete an online survey, including the Interaction Anxiousness Scale (IAS) and the University of California Los Angeles Loneliness Scale (UCLA-LS). We then separated participants into three groups (high, middle and low) based on their scores of IAS and UCLA-LS, respectively. Finally, we acquired digital records of smartphone usage from MobileSens and examined the differences in 105 types of smartphone usage behaviors between high-score and low-score group of IAS/UCLA-LS. Results: Individuals with different scores on social anxiety or loneliness might use smartphones in different ways. For social anxiety, compared with users in low-score group, users in high-score group had less number of phone calls (incoming and outgoing) (Mann-Whitney U = 282.50∼409.00, p U = 388.50, p < 0.01). Discussion: The results show that individuals with social anxiety or loneliness receive less incoming calls and use healthy applications more frequently, but they do not show differences in outgoing-call-related features. Individuals with higher levels of social anxiety also receive less SMSs and use camera apps less frequently, while lonely individuals tend to use system, beautify, browser and social media (RenRen) apps more frequently. Conclusion: This paper finds that there exists

  15. Design and Development of Virtual Reality Simulation for Teaching High-Risk Low-Volume Problem-Prone Office-Based Medical Emergencies

    Science.gov (United States)

    Lemheney, Alexander J.

    2014-01-01

    Physicians' offices are not the usual place where emergencies occur; thus how staff remains prepared and current regarding medical emergencies presents an ongoing challenge for private practitioners. The very nature of low-volume, high-risk, and problem-prone medical emergencies is that they occur with such infrequency it is difficult for staff to…

  16. Dynamic usage of transcription start sites within core promoters

    DEFF Research Database (Denmark)

    Kawaji, Hideya; Frith, Martin C; Katayama, Shintaro

    2006-01-01

    BACKGROUND: Mammalian promoters do not initiate transcription at single, well defined base pairs, but rather at multiple, alternative start sites spread across a region. We previously characterized the static structures of transcription start site usage within promoters at the base pair level......, based on large-scale sequencing of transcript 5' ends. RESULTS: In the present study we begin to explore the internal dynamics of mammalian promoters, and demonstrate that start site selection within many mouse core promoters varies among tissues. We also show that this dynamic usage of start sites...... is associated with CpG islands, broad and multimodal promoter structures, and imprinting. CONCLUSION: Our results reveal a new level of biologic complexity within promoters--fine-scale regulation of transcription starting events at the base pair level. These events are likely to be related to epigenetic...

  17. Problems of magnesium oxide wallboard usage in construction

    Science.gov (United States)

    Gravit, Marina; Zybina, Olga; Vaititckii, Artem; Kopytova, Anna

    2017-10-01

    Magnesium oxide wallboard is the building and finishing material, which has a reputation of new generational ecological constructing material. It has a wide range of uses: as a revetment in ventilated facades’ production, as a decorative material, as different types of formworks for a foundation filling and as a protector against a fire threat. During the study it was considered that magnesium oxide wallboards have some defects, such as moisture formation as a concentrated brine on the surface under special climatic conditions and absence of clear distinguishing between different types of magnesia boards. Usage of this material can become a cause of frame’s corrosion and origin of mold on wooden details. Authors provide the information from a foreign data source about negative consequences of SML usage. In conclusion researchers state that it is necessary to provide a clear magnesium wallboards classification and define technical requirements, which will, in their opinion, lead to Russian standard formulation.

  18. Fatigue approach for addressing environmental effects in fatigue usage calculation

    Energy Technology Data Exchange (ETDEWEB)

    Wilhelm, Paul; Rudolph, Juergen [AREVA GmbH, Erlangen (Germany); Steinmann, Paul [Erlangen-Nuremberg Univ., erlangen (Germany). Chair of Applied Mechanics

    2015-04-15

    Laboratory tests consider simple trapezoidal, triangle, and sinusoidal signals. However, actual plant components are characterized by complex loading patterns and periods of holds. Fatigue tests in water environment show, that the damage from a realistic strain variation or the presence of hold-times within cyclic loading results in an environmental reduction factor (Fen) only half that of a simple waveform. This study proposes a new fatigue approach for addressing environmental effects in fatigue usage calculation for class 1 boiler and pressure vessel reactor components. The currently accepted method of fatigue assessment has been used as a base model and all cycles, which have been comparable with realistic fatigue tests, have been excluded from the code-based fatigue calculation and evaluated directly with the test data. The results presented show that the engineering approach can successfully be integrated in the code-based fatigue assessment. The cumulative usage factor can be reduced considerably.

  19. RFID Continuance Usage Intention in Health Care Industry.

    Science.gov (United States)

    Iranmanesh, Mohammad; Zailani, Suhaiza; Nikbin, Davoud

    Radio-frequency identification (RFID) has been proved to be an effective tool both for improving operational efficiency and for gaining competitive advantage in the health care industry despite its relatively low-usage rate in hospitals. The sustained use of RFID by health care professionals will promote its development in the long term. This study evaluates the acceptance continuance of RFID among health care professionals through technology continuance theory (TCT). Data were collected from 178 medical professionals in Malaysia and were then analyzed using the partial least squares technique. The analysis showed that the TCT model provided not only a thorough understanding of the continuance behavior of health care professionals toward RFID but also the attitudes, satisfaction, and perceived usefulness of professionals toward it. The results of this study are expected to assist policy makers and managers in the health care industry in implementing the RFID technology in hospitals by understanding the determinants of continuance of RFID usage intention.

  20. Managing time-substitutable electricity usage using dynamic controls

    Science.gov (United States)

    Ghosh, Soumyadip; Hosking, Jonathan R.; Natarajan, Ramesh; Subramaniam, Shivaram; Zhang, Xiaoxuan

    2017-02-21

    A predictive-control approach allows an electricity provider to monitor and proactively manage peak and off-peak residential intra-day electricity usage in an emerging smart energy grid using time-dependent dynamic pricing incentives. The daily load is modeled as time-shifted, but cost-differentiated and substitutable, copies of the continuously-consumed electricity resource, and a consumer-choice prediction model is constructed to forecast the corresponding intra-day shares of total daily load according to this model. This is embedded within an optimization framework for managing the daily electricity usage. A series of transformations are employed, including the reformulation-linearization technique (RLT) to obtain a Mixed-Integer Programming (MIP) model representation of the resulting nonlinear optimization problem. In addition, various regulatory and pricing constraints are incorporated in conjunction with the specified profit and capacity utilization objectives.

  1. Effects of Perceived Values on Continuance Usage of Facebook

    Science.gov (United States)

    Yang, Heng-Li; Lai, Cheng-Yu

    Facebook is one of the renowned social networking sites (SNS) on the Internet. As compared to the conventional SNS, it not only provides social interaction features, but has more entertainment elements on the website. Many Facebook users use the website for the purpose of playing the embedded games rather than use its original social features, i.e., individual's perceived values about the usage of Facebook may have changed. Consequently, it is an interesting issue to know individual's perceived values and satisfaction toward continuance usage of the new style SNS like Facebook. Based on prior literatures, three different value orientations, including social orientation, entertainment orientation and fashion orientation, were adopted in this study to examine their influence on individual's satisfaction and continuance intention to use Facebook. An empirical survey and partial least squares (PLS) technology was utilized to test the proposed hypotheses. Several empirical results were found. Both academic and practical implications are discussed.

  2. Mobile phones: time to rethink and limit usage.

    Science.gov (United States)

    Paul, Bobby; Saha, Indranil; Kumar, Sanjay; Samim Ferdows, S K; Ghose, Gautam

    2015-01-01

    Radiofrequency waves generated from mobile phones cause potential public health problems. Short-term effects like changes in sleep, heart rate, and blood pressure, and long-term effects like carcinoma are well documented. The Government of India's efforts in laying down regulations regarding the safety limits, manufacture, marketing, and mobile use are still in nascent stage. The need for stringent enforcement of laws for prevention of phone usage while driving and guidelines of medical regulatory bodies regarding rules and regulations of phone usage while at class or attending patients is of utmost importance. This should be supplemented by mass media to raise awareness among people regarding the possible health effects of radiofrequency emissions from mobile phones and the guidelines to minimize its exposure. It is the need of the hour to teach young people to be structured, to know when to have the cell phone on, and to avoid becoming the slave of technology instead of its mastery.

  3. Performance and competence in usage-based construction grammar

    DEFF Research Database (Denmark)

    Jensen, Kim Ebensgaard

    2014-01-01

    While formalist approaches in the Chomskian tradition to language distinguish sharply between performance and competence in their modeling of language competence, performance and competence are considered to be in a mutually influential relation in usage-based models of language. Language...... competence, in the latter approach, is, much like in Dell Hymes’ notion of communicative competence, held to be experientially based in the sense that speakers establish their competence through inductive social-cognitive processes of schematization and conventionalization. Making a case for the usage......-based definition of the language system, his paper explores the interplay between performance and competence in a construction grammar perspective in which grammatical constructions are considered meaningful symbolic units on par with lexemes, in relation to the [V until ADJ]-construction, based on a study...

  4. Tense Usage in Selected Humanities and Science Dissertations

    Directory of Open Access Journals (Sweden)

    Geoffrey M. Maroko

    2014-11-01

    Full Text Available Abstract Graduate students are usually not sure of the appropriate tense to use in each rhetorical section of their dissertations in their disciplines. Even style guides provide little information regarding tense usage in academic texts. This paper describes a study in which frequency and usage of types of tense were compared in selected dissertations from the humanities and sciences drawn from Kenyan Public Universities. It was found that graduate research students in both humanities and sciences preferred the simple present and simple past as primary tense forms. It also emerged that authors have to alternate verb tenses even in the same rhetorical section of a dissertation to achieve particular communicative purposes. Suggesting that choices for tense in dissertations are a function of the epistemology and ideology of the disciplines, the paper proposes a genre-based approach to teaching those preparing to write their dissertations.

  5. textbf{Historical Usage Inventories of DDT in China}

    Science.gov (United States)

    Qiang, Wang; Lijuan, Zhao; Jianxin, Hu

    2010-05-01

    Dichlorodiphenyltrichloroethane (DDT) is one of organochlorine pesticides and listed as one of the persistent organic pollutants to be reduced and finally eliminated in the Stockholm Convention on Persistent Organic Pollutants, because of its great persistence, toxics, bio-accumulation and potential for long-range transport. It is critical to create national DDT usage/emission inventories for China to carry out source-receptor relation analysis, risk assessment, and other research related to DDT in this country. Chinese inventories of DDT to the year1983 have been published; however, DDT is still being used indirectly in the dicifol producing and being applied for malaria control in case. Therefore it is needed to supplement and update the inventories. DDT production in China can be divided into three phases. Prior to 1965 is the first stage with an annual output of no more than 10,000 tons; 1966-1983 is the second phase. At this stage DDT was produced with an average annual production of 15,500 tons. After 1984 is the third production phase, of which the average annual DDT production was 6,465 tons. Before 1983, DDT was mainly used for agriculture, forestry and pesticides.China used a total of 270,000 tons of DDT during 1951 - 1983. According to China's cropland area, Li Yi-fan create China's DDT usage inventory of 1951-1983. In 1983 the State Council decided to ban DDT producing and DDT is no longer used in agriculture any more, but it is still being used in the producing of dicofol, malaria prevention and treatment anda small amount for export. To this end, this paper calculated theusage inventory of China's DDT from 1984 to 2003. Using sown areas of cotton, apple, citrus, tea and vegetable as surrogate data, usage of dicifolwas calculated, then the usage inventory of DDT resulting from dicofol use and DDT applied for malaria control with prefecture resolution was created. From 1984 to 2003, China used 15,312 tons of DDT, including 12,912 tons of DDT resulting

  6. Using R and the Tidyverse to Generate Library Usage Reports

    Directory of Open Access Journals (Sweden)

    Andy Meyer

    2018-02-01

    Full Text Available Gathering, analyzing, and communicating library usage data provides a foundation for thoughtful assessment. However, the amount of time and expertise required creates a barrier to actually using this data. By using the statistical programming language R and the tools and approach of the Tidyverse, the process of gathering, analyzing, and communicating data can be automated in ways that reduce the amount of time and energy required. At the same time, this approach increases staff capacity for other data science projects and creates a shareable model and framework for other libraries. This article focuses on electronic resource usage reports - especially Counter DB1 Reports - but this approach could be extended to other data sources and needs.

  7. Fatigue approach for addressing environmental effects in fatigue usage calculation

    International Nuclear Information System (INIS)

    Wilhelm, Paul; Rudolph, Juergen; Steinmann, Paul

    2015-01-01

    Laboratory tests consider simple trapezoidal, triangle, and sinusoidal signals. However, actual plant components are characterized by complex loading patterns and periods of holds. Fatigue tests in water environment show, that the damage from a realistic strain variation or the presence of hold-times within cyclic loading results in an environmental reduction factor (Fen) only half that of a simple waveform. This study proposes a new fatigue approach for addressing environmental effects in fatigue usage calculation for class 1 boiler and pressure vessel reactor components. The currently accepted method of fatigue assessment has been used as a base model and all cycles, which have been comparable with realistic fatigue tests, have been excluded from the code-based fatigue calculation and evaluated directly with the test data. The results presented show that the engineering approach can successfully be integrated in the code-based fatigue assessment. The cumulative usage factor can be reduced considerably.

  8. Latent Class Models in action: bridging social capital & Internet usage.

    Science.gov (United States)

    Neves, Barbara Barbosa; Fonseca, Jaime R S

    2015-03-01

    This paper explores how Latent Class Models (LCM) can be applied in social research, when the basic assumptions of regression models cannot be validated. We examine the usefulness of this method with data collected from a study on the relationship between bridging social capital and the Internet. Social capital is defined here as the resources that are potentially available in one's social ties. Bridging is a dimension of social capital, usually related to weak ties (acquaintances), and a source of instrumental resources such as information. The study surveyed a stratified random sample of 417 inhabitants of Lisbon, Portugal. We used LCM to create the variable bridging social capital, but also to estimate the relationship between bridging social capital and Internet usage when we encountered convergence problems with the logistic regression analysis. We conclude by showing a positive relationship between bridging and Internet usage, and by discussing the potential of LCM for social science research. Copyright © 2014 Elsevier Inc. All rights reserved.

  9. Patients' Reported Usage of Weight Management Skills Following Bariatric Surgery.

    Science.gov (United States)

    Essayli, Jamal H; LaGrotte, Caitlin A; Fink-Miller, Erin L; Rigby, Andrea

    2018-02-01

    Little is known about which specific weight management skills bariatric patients find most and least valuable. Participants completed a measure assessing their usage of weight management skills at a follow-up appointment one or more years after undergoing bariatric surgery. Decreased usage of skills was associated with unsuccessful weight outcome, defined as losing less than 50% of excess weight, as well as weight regain. Weighing regularly was the skill selected most often by successful participants as helpful, and was chosen by a significantly smaller percentage of unsuccessful participants and those who regained a clinically significant amount of weight. A majority of both successful and unsuccessful participants indicated that they had discontinued food journaling. Weighing regularly may be perceived as a more useful method of self-monitoring.

  10. Designing an Assistant System Encouraging Ergonomic Computer Usage

    Directory of Open Access Journals (Sweden)

    Hüseyin GÜRÜLER

    2017-12-01

    Full Text Available Today, people of almost every age group are users of computers and computer aided systems. Technology makes our life easier, but it can also threaten our health. In recent years, one of the main causes of the proliferation of diseases such as lower back pain, neck pain or hernia, Arthritis, visual disturbances and obesity is wrong computer usage. The widespread use of computers also increases these findings. The purpose of this study is to direct computer users to use computers more carefully in terms of ergonomics. The user-interactive system developed for this purpose controls distance of the user to the screen and calculates the look angle and the time spent looking at the screen and provides audio or text format warning when necessary. It is thought that this system will reduce the health problems caused by the frequency of computer usage by encouraging individuals to use computers ergonomically.

  11. Manual on usage of the Nuclear Reaction Data File (NRDF)

    International Nuclear Information System (INIS)

    1984-10-01

    In the computer in the Institute for Nuclear Study, University of Tokyo, there is set up a Nuclear Reaction Data File (NRDF) which has been built in Hokkaido University. While the data base is growing year after year, its trial usage is for the purpose of joint utilization by educational institutions. In section 1, examples of the retrieval are presented to have the user familiarize with NRDF. In section 2, the terms used in retrieval are given in table. Then, in section 3, as a summary of the examples, structure of the retrieval commands is explained. In section 4, for the retrieval results on a CRT, cautions in reading are given. Finally, in section 5, general cautions in usage of NRDF are given. (Mori, K.)

  12. Managing time-substitutable electricity usage using dynamic controls

    Science.gov (United States)

    Ghosh, Soumyadip; Hosking, Jonathan R.; Natarajan, Ramesh; Subramaniam, Shivaram; Zhang, Xiaoxuan

    2017-02-07

    A predictive-control approach allows an electricity provider to monitor and proactively manage peak and off-peak residential intra-day electricity usage in an emerging smart energy grid using time-dependent dynamic pricing incentives. The daily load is modeled as time-shifted, but cost-differentiated and substitutable, copies of the continuously-consumed electricity resource, and a consumer-choice prediction model is constructed to forecast the corresponding intra-day shares of total daily load according to this model. This is embedded within an optimization framework for managing the daily electricity usage. A series of transformations are employed, including the reformulation-linearization technique (RLT) to obtain a Mixed-Integer Programming (MIP) model representation of the resulting nonlinear optimization problem. In addition, various regulatory and pricing constraints are incorporated in conjunction with the specified profit and capacity utilization objectives.

  13. Learning physics concepts as a function of colloquial language usage

    Science.gov (United States)

    Maier, Steven J.

    Data from two sections of college introductory, algebra-based physics courses (n1 = 139, n2 = 91) were collected using three separate instruments to investigate the relationships between reasoning ability, conceptual gain and colloquial language usage. To obtain a measure of reasoning ability, Lawson's Classroom Test of Scientific Reasoning Ability (TSR) was administered once near mid-term for each sample. The Force Concept Inventory (FCI) was administered at the beginning and at the end of the term for pre- and post-test measures. Pre- and post-test data from the Mechanics Language Usage instrument were also collected in conjunction with FCI data collection at the beginning and end of the term. The MLU was developed specifically for this study prior to data collection, and results of a pilot test to establish validity and reliability are reported. T-tests were performed on the data collected to compare the means from each sample. In addition, correlations among the measures were investigated between the samples separately and combined. Results from these investigations served as justification for combining the samples into a single sample of 230 for performing further statistical analyses. The primary objective of this study was to determine if scientific reasoning ability (a function of developmental stage) and conceptual gains in Newtonian mechanics predict students' usages of "force" as measured by the MLU. Regression analyses were performed to evaluate these mediated relationships among TSR and FCI performance as a predictor of MLU performance. Statistically significant correlations and relationships existed among several of the measures, which are discussed at length in the body of the narrative. The findings of this research are that although there exists a discernable relationship between reasoning ability and conceptual change, more work needs to be done to establish improved quantitative measures of the role language usage has in developing understandings

  14. The development on electric discharge machine for hot cell usage

    International Nuclear Information System (INIS)

    Ahn, Sang Bok; Kim, Young Suk; Park, Dae Kyu; Choo, Yong Sun; Oh, Wan Ho

    1998-06-01

    The electric discharge machine(EDM) was developed for hot cell usages in IMEF. This machine will be used to fabricate specimen directly from irradiated components from NPP's. The detailed contents are as follows; 1. Outline of electric discharge machine 2. Specimen shape to be fabricated by EDM 3. Technical specification to manufacture EDM 4. Installation EDM in hot cell 5. Optimum discharge conditions to fabricate specimens from CANDU tube. (author). 4 tabs., 20 figs

  15. Method for effective usage of Google Analytics tools

    Directory of Open Access Journals (Sweden)

    Ирина Николаевна Егорова

    2016-01-01

    Full Text Available Modern Google Analytics tools have been investigated against effective attraction channels for users and bottlenecks detection. Conducted investigation allowed to suggest modern method for effective usage of Google Analytics tools. The method is based on main traffic indicators analysis, as well as deep analysis of goals and their consecutive tweaking. Method allows to increase website conversion and might be useful for SEO and Web analytics specialists

  16. Moabi ( Baillonella toxisperma Pierre): Arbre à usage multiple de ...

    African Journals Online (AJOL)

    Cet arbre à usages multiples, est recherché par l'industrie forestière pour la qualité de son bois et par les populations rurales pour ses produits autres que le ... L'importance de ce gain incite à promouvoir l'extraction d'huile de Moabi dans le cadre de la diversification des sources de revenus et de la lutte contre la pauvreté.

  17. The Term cybrarian : Concept and The Arabic Usage

    Directory of Open Access Journals (Sweden)

    Mahmoud A.Sattar Khalifa

    2004-06-01

    Full Text Available A Study about the term cybrarian, dealing with its origin, definition in the public and specific dictionaries and gives comments for each one , then deals with the usage of term on the Arabic coverage which acted by appearing a printed pamphlet and discussion group entitled cybrarians, and a published study about this topic , also acted by establishing an Arabic web site with the same name, finally the study try to give an Arabic opposite to this term.

  18. Understanding social media program usage in public transit agencies

    OpenAIRE

    Jenny H. Liu; Wei Shi; O.A. (Sam) Elrahman; Xuegang (Jeff) Ban; Jack M. Reilly

    2016-01-01

    Social media has been gaining prominence in public transit agencies in their communication strategies and daily management. This study aims to better understand recent trends in social media usage in public transit agencies, to examine which agencies use what kind of social media programs for what purposes, and how they measure their programs. A survey was conducted of the top transit agencies in the nation, and results are examined through descriptive statistical analysis, correlation analys...

  19. Conditions for acceptance and usage of mobile payment procedures

    OpenAIRE

    Pousttchi, Key

    2003-01-01

    Mobile payment (MP) is crucial for, but not limited to mobile commerce. The key to mobile payment acceptance is in the hands of customers. In this paper we examine the conditions for acceptance and actual usage of MP procedures by the customer. We identify essential conditions which belong to the categories costs, security and convenience. Different preferences lead to an individual set of essential conditions for any single user. We propose a scheme for their representation and comparison an...

  20. A report on the extent of radioisotope usage in Malaysia

    International Nuclear Information System (INIS)

    1983-04-01

    A market survey was carried out to study the extent of radioisotope usage in Malaysia. From the survey, the radioisotopes and their activities/quantities that are used in Industry, Medicine and Research were identified. The radioisotopes that are frequently needed or routinely used were also determined and this formed the basis of the recommendations put forward in this report. It is proposed that PUSPATI adopt the concept of a Distribution Centre in order to provide a service to the Malaysian community. (author)

  1. How smartphone usage correlates with social anxiety and loneliness

    OpenAIRE

    Yusong Gao; Ang Li; Tingshao Zhu; Xiaoqian Liu; Xingyun Liu

    2016-01-01

    Introduction: Early detection of social anxiety and loneliness might be useful to prevent substantial impairment in personal relationships. Understanding the way people use smartphones can be beneficial for implementing an early detection of social anxiety and loneliness. This paper examines different types of smartphone usage and their relationships with people with different individual levels of social anxiety or loneliness. Methods: A total of 127 Android smartphone volunteers participated...

  2. Residential air-conditioner usage in China and efficiency standardization

    International Nuclear Information System (INIS)

    Wu, Jianghong; Liu, Chaopeng; Li, Hongqi; Ouyang, Dong; Cheng, Jianhong; Wang, Yuanxia; You, Shaofang

    2017-01-01

    Determining the real energy consumption and usage pattern of a room air-conditioner (RAC) are important issues from the point of view of both RAC design and evaluation of its energy efficiency. An air-conditioner's running time is fundamental data for the calculation of SEER and APF values. Therefore, in 2010, a nationwide investigation of RAC usage was conducted and 400 selected air-conditioning-units were monitored for a full year to obtain data on their cooling and heating usage. Two running time curves (cooling and heating) were obtained for the air-conditioners as a function of outdoor air temperatures using statistical analysis. The results show that the 27–30 °C temperature range accounts for more than 52% of the cooling time. Conversely, the 0–8 °C temperature range is associated with more than 75% of the heating time. The research presented in this paper has significantly contributed to China's new variable-speed RAC efficiency standard (GB21455-2013). It also has far-reaching implications for both the air-conditioner industry and energy policy in China due to its different method of calculating energy efficiency. - Highlights: • A nationwide survey to realize China's residential air-conditions usage behaviors. • Air-conditioner running time-environment temperature curves are obtained. • The peak heating demand and peak cooling demand happen at 28 °C and 4 °C, respectively. • The temperature of 27 °C–30 °C accounts for over 52% refrigeration time. • The temperature of 0 °C–8 °C occupies more than 75% heating time.

  3. Excipient Usage Technical Risk Assessment for Generic Solid Dose Products

    Directory of Open Access Journals (Sweden)

    Ajay Babu Pazhayattil

    2017-09-01

    Full Text Available This paper proposes an assessment methodology for solid dose generic small molecule drug products. It addresses the ‘usage of the excipient’ portion of the trinomial by utilizing the systematic approach of Risk Identification, Risk Analysis and Risk Evaluation as per ICH Q9 Quality Risk Management outlined for developing risk control strategies. The assessment and maintenance of excipient risk profile is essential to minimize any potential risk associated to excipients impacting patients.

  4. Mining for Social Media: Usage Patterns of Small Businesses

    OpenAIRE

    Balan, Shilpa; Rege, Janhavi

    2017-01-01

    Background: Information can now be rapidly exchanged due to social media. Due to its openness, Twitter has generated massive amounts of data. In this paper, we apply data mining and analytics to extract the usage patterns of social media by small businesses. Objectives: The aim of this paper is to describe with an example how data mining can be applied to social media. This paper further examines the impact of social media on small businesses. The Twitter posts related to small businesses are...

  5. Determination of HIV-1 co-receptor usage.

    Science.gov (United States)

    Cavarelli, Mariangela; Scarlatti, Gabriella

    2014-01-01

    Human immunodeficiency virus type I (HIV-1) infects target cells through interaction with the CD4 molecule and chemokine receptors, mainly the β-chemokine receptor 5 (CCR5) and the α-chemokine receptor 4 (CXCR4). Viral isolates can be phenotypically classified based on the co-receptor they utilize to infect target cells. In this chapter, methods to determine the co-receptor usage of HIV-1 variants are described.

  6. THE CHARACTERISTICS OF ADJECTIVE USAGE IN THE LANGUAGE OF ADVERTISEMENTS

    OpenAIRE

    Laura Kamandulytė-Merfeldienė; Skaistė Nenartavičiūtė

    2015-01-01

    The objectives of the study were to identify the semantic groups of the adjectives incorporated into the advertisements and to discuss the relationship between the adjective usage and manipulation strategy of the advertisements. A total number of 400 advertisements (totally 853 adjectives) have been taken from the newspapers "Kauno diena", "15 min", "Vakaro žinios" and magazines "Žmonės", "Psichologija tau", "Panelė", "Cosmopolitan", "Autocar", and "Keturi ratai". The analysis revealed that m...

  7. Usage of Cable Bolts for Gateroad Maintenance in Soft Rocks

    Directory of Open Access Journals (Sweden)

    Iurii Khalymendyk

    2014-01-01

    Originality/value: 1. There are no regulations and state standards in regard to cable bolt installation parameters in the mines of Ukraine, consequently the usage of cable bolts for gateroad maintenance required preliminary testing under geological conditions at the Western Donbass mines with soft enclosing rocks. 2. Combining levelling with observations using extensometers allowed for the detection of the rock layers' uniform sagging zone in the roof of the gateroad.

  8. A Brief History of MPLS Usage in IPv6

    OpenAIRE

    Vanaubel, Yves; Mérindol, Pascal; Pansiot, Jean-Jacques; Donnet, Benoît

    2016-01-01

    Recent researches have stated the fast deployment of IPv6. It has been demonstrated that IPv6 grows much faster, being so more and more adopted by both Internet service providers but also by servers and end-hosts. In parallel, researches have been conducted to discover and assess the usage of MPLS tunnels. Indeed, recent developments in the ICMP protocol make certain categories of MPLS tunnels transparent to traceroute probing. However, these studies focus only on IPv4, where MPLS is st...

  9. An Exploratory Study on Small Business Website Creation and Usage

    OpenAIRE

    Chuleeporn Changchit; Tim Klaus

    2015-01-01

    This study aims at exploring the factors related to the implementation of E-commerce websites by small business owners. While large organizations often consider E-commerce as a fundamental piece of their business strategy, small businesses place varying degrees of importance on E-commerce as a strategic tool to business success. Through a survey of small businesses, this study examines the creation and usage of E-commerce websites for small businesses. For companies with only a web presence, ...

  10. Analysis of Cell Phone Usage Using Correlation Techniques

    OpenAIRE

    T S R MURTHY; D. SIVA RAMA KRISHNA

    2011-01-01

    The present paper is a sample survey analysis, examined based on correlation techniques. The usage ofmobile phones is clearly almost un-avoidable these days and as such the authors have made a systematicsurvey through a well prepared questionnaire on making use of mobile phones to the maximum extent.These samples are various economical groups across a population of over one-lakh people. The resultsare scientifically categorized and interpreted to match the ground reality.

  11. Usage rate segmentation: enriching the US wine market profile

    Directory of Open Access Journals (Sweden)

    Kelley K

    2015-05-01

    Full Text Available Kathleen Kelley,1 Jeffrey Hyde,2 Johan Bruwer3 1Department of Plant Science, 2Department of Agricultural Economics, Sociology, and Education, The Pennsylvania State University, University Park, PA, USA; 3School of Marketing, University of South Australia, Adelaide, SA, Australia Abstract: The purpose of this research is to enrich our knowledge of the US wine market and provide insights into how usage rate segmentation can be enhanced by select innovative perspectives of current offerings. Data were collected through a 15-minute online survey of 910 US wine drinkers randomly selected from a panel of consumers. It was found that the “super core” segment not only drank wine more frequently, but also were more likely to drink other types of alcohol presented (beer, distilled spirits, and ready-to-drink cocktails, and at a greater frequency, “at least once a week” and “about once a week”, than “marginal” drinkers. Differences between usage rate segments existed between sex and age generations. Female millennial “super core” consumers would increase wine consumption if the number of calories were reduced to fewer than 80 per 5 oz serving. Practical implications for a winery or wine retailer might include the potential to add these beverages to their product offering or bundling these beverages to create packages (allowing for mass customization, which is used often in retail and appropriately marketing these offerings to their customers. Changes that may invoke a positive response are wine made from “sustainably farmed” or “naturally farmed” grapes, and certified carbon-free wine. From an originality viewpoint, this study is the first to investigate how usage rate segmentation can be enriched by means of variable cross-extension and examination. Keywords: consumer behavior, market segmentation, usage rate, consumption frequency, USA

  12. Trial, Adoption, Usage and Diffusion of Social Media

    Science.gov (United States)

    2011-12-01

    Reported in the Interviews Participants in this research used a variety of social media technologies, including social networking (e.g., Facebook ...by Respondents Type of Technology Name of Technology Number of Respondents Social networking Facebook 66 MySpace 58 Others 6 Content sharing...used the features of the technologies (see Tables 3 through 8). Table 3: Social Networking Features Usage Feature Facebook Users MySpace Users

  13. Ethical Issues of Social Media Usage in Healthcare

    OpenAIRE

    Denecke, Kerstin; Bamidis, Panagiotis D.; Bond, Carol; Gabarron, Elia; Househ, M; Lau, A. Y. S.; Mayer, Miguel A.; Merolli, Mark; Hansen, Margareth

    2015-01-01

    Accepted manuscript version. This article is not an exact copy of the original published article in The IMIA Yearbook of Medical Informatics. The definitive publisher-authenticated version of "Ethical Issues of Social Media Usage in Healthcare" is available online at http://doi.org/10.15265/IY-2015-001. OBJECTIVE: Social media, web and mobile technologies are increasingly used in healthcare and directly support patientcentered care. Patients benefit from disease self-management tools, ...

  14. Facebook usage among Indian businesses: A website content analysis

    OpenAIRE

    Rajwinder Saini

    2018-01-01

    The revolution of technologies in the era of internet has led to the new ways in which the companies communicate with their stakeholders. Facebook is the popular type of social media which is used by companies in these days as it promotes two- way communication. This study attempts to investigate the facebook usage among Indian business organization by using web content analysis method. A total of 50 business organizations were investigated and it was found that only 41 of them have their fac...

  15. Positive selection for unpreferred codon usage in eukaryotic genomes

    Directory of Open Access Journals (Sweden)

    Galagan James E

    2007-07-01

    Full Text Available Abstract Background Natural selection has traditionally been understood as a force responsible for pushing genes to states of higher translational efficiency, whereas lower translational efficiency has been explained by neutral mutation and genetic drift. We looked for evidence of directional selection resulting in increased unpreferred codon usage (and presumably reduced translational efficiency in three divergent clusters of eukaryotic genomes using a simple optimal-codon-based metric (Kp/Ku. Results Here we show that for some genes natural selection is indeed responsible for causing accelerated unpreferred codon substitution, and document the scope of this selection. In Cryptococcus and to a lesser extent Drosophila, we find many genes showing a statistically significant signal of selection for unpreferred codon usage in one or more lineages. We did not find evidence for this type of selection in Saccharomyces. The signal of positive selection observed from unpreferred synonymous codon substitutions is coincident in Cryptococcus and Drosophila with the distribution of upstream open reading frames (uORFs, another genic feature known to reduce translational efficiency. Functional enrichment analysis of genes exhibiting low Kp/Ku ratios reveals that genes in regulatory roles are particularly subject to this type of selection. Conclusion Through genome-wide scans, we find recent selection for unpreferred codon usage at approximately 1% of genetic loci in a Cryptococcus and several genes in Drosophila. Unpreferred codons can impede translation efficiency, and we find that genes with translation-impeding uORFs are enriched for this selection signal. We find that regulatory genes are particularly likely to be subject to selection for unpreferred codon usage. Given that expression noise can propagate through regulatory cascades, and that low translational efficiency can reduce expression noise, this finding supports the hypothesis that translational

  16. Radio Frequency Identification (RFID): its usage and libraries

    OpenAIRE

    Rafiq, Muhammad

    2004-01-01

    Radio Frequency Identification (RFID) is one of the most exciting technologies that revolutionize the working practices by increasing efficiencies, and improving profitability. The article provides details about RFID, its components, how it works, and its usage in different sectors i.e. retail sales and supply chains, livestock industry, courier services, military and prisons, automobiles and logistics, entertainment industry, publishing industry, wireless transaction, and, especially, in...

  17. Investigation and usage of renewable energy sources. First conference proceedings

    International Nuclear Information System (INIS)

    Tiit, Valdur

    2000-01-01

    The conference was devoted to sustainable development promotion in Estonia. Modern lifestyle and outstanding technical achievements are strongly based on usage of fossil energy sources, especially oil products. Development demands an increasing amount of energy, but the supplies of non-renewable natural resources are limited. Moreover, their usage pollutes the environment and conveys vital oxygen out of the atmosphere. Due to supplies run out the production of fossil fuels will inevitably decrease already after 20 years. The same is likely to happen with Estonian oil shale resources, which is not only a fuel for electric power stations, but also an important staple of chemical industry. And after the rise of oil prices and its fall in market share, oil shale will have even greater value. To satisfy mankind's energy demand we have to take solar energy and processes started by solar (wind, flowing water, synthesis of plants biomass) more into use. The spread of their usage is determined by natural and social situation of the region, and economic expediency. Although rapid growth in using renewable energy sources has started, it will take decades to raise their share over half of total energy use. Estonia has chosen the path of sustainable development, which should guarantee development and healthy environment also in the farther future. There are great solar and wind energy resources plus good assumptions for producing biomass in Estonia. However, for efficient use of national natural resources we need more knowledge and skills, people with environment friendly attitude and extensive scientific, technical and applied investigations. In addition we have to advance sensible international cooperation as well as national industry of this field. The technical progress concerning renewable energy usage has a long way to go, which could apply also Estonians

  18. High school students’ usage behavior and views about mobile phones

    Directory of Open Access Journals (Sweden)

    Ahmet Ergin

    2014-09-01

    Full Text Available Objective: The aim of this study was to determine high school students’ usage behavior and views about mobile phones. Methods:Totally 253 (85.5% students educated at Honaz High School within the academic year 2010-2011, participated to this cross-sectional study and a questionnaire consisting of 42 questions which aimed to determine usage behavior and views about mobile phones was administered to the students. Results:The mean age of the students was 16.1 ± 1.1 years, and 56.9% of them were girl. 79.8% of students have mobile phone and 53.9% of them make daily average of over 30 minutes mobile phone calls. 76.1% of participants stated that they did not use headphones, 78.1% did not turn off their mobile phones when they are sleeping and 67.3% put it right next to them or under the pillow. 83.1% of students think mobile phones are harmful for human health, 56.7% think the base stations are harmful to human health and the environment, 91.3% think mobile phones are harmful for children, pregnant women and elderly people. Conclusion: It is found that students’ mobile phone ownership is widespread, the age of starting to use mobile phone and headphones usage is low, knowledge about the base stations is not adequate.

  19. Personality Traits, Motivations, and Emotional Consequences of Social Media Usage.

    Science.gov (United States)

    Lin, Jhih-Syuan; Lee, Yen-I; Jin, Yan; Gilbreath, Bob

    2017-10-01

    This study explores social media users' personality traits and motivations for the usage of two different social media platforms, Facebook and Pinterest, as well as how the varied uses impact users' negative emotional experiences. The findings suggest that the intensity of social media usage is positively related to negative emotions. For Facebook users, socialization, entertainment, and information seeking motivations significantly influence their platform use intensity and, subsequently, lead to negative emotions. Self-status seeking also has a direct effect on Facebook users' negative emotions. For Pinterest users, socialization is not a significant motivation for usage of that platform. However, entertainment, information seeking, and self-status seeking significantly predict their platform use intensity, which subsequently lead to negative emotions. Similarly, all four motivations for Facebook and Pinterest uses are influenced by users' personality traits: extraversion and openness. Yet, openness has a greater impact on using Pinterest than Facebook in terms of fulfilling socialization needs. Neuroticism has a positive impact on socialization and information seeking motives for use of both platforms, while conscientiousness and agreeableness have a negative influence on fulfilling self-status seeking needs. In addition, agreeable social networking site users are less likely to use Facebook than Pinterest for fulfilling self-status related gratifications, while they are likely to use Pinterest instead of Facebook for entertainment and information needs. Implications of the findings and suggestions for future research are discussed.

  20. Codon Usage Bias and Determining Forces in Taenia solium Genome.

    Science.gov (United States)

    Yang, Xing; Ma, Xusheng; Luo, Xuenong; Ling, Houjun; Zhang, Xichen; Cai, Xuepeng

    2015-12-01

    The tapeworm Taenia solium is an important human zoonotic parasite that causes great economic loss and also endangers public health. At present, an effective vaccine that will prevent infection and chemotherapy without any side effect remains to be developed. In this study, codon usage patterns in the T. solium genome were examined through 8,484 protein-coding genes. Neutrality analysis showed that T. solium had a narrow GC distribution, and a significant correlation was observed between GC12 and GC3. Examination of an NC (ENC vs GC3s)-plot showed a few genes on or close to the expected curve, but the majority of points with low-ENC (the effective number of codons) values were detected below the expected curve, suggesting that mutational bias plays a major role in shaping codon usage. The Parity Rule 2 plot (PR2) analysis showed that GC and AT were not used proportionally. We also identified 26 optimal codons in the T. solium genome, all of which ended with either a G or C residue. These optimal codons in the T. solium genome are likely consistent with tRNAs that are highly expressed in the cell, suggesting that mutational and translational selection forces are probably driving factors of codon usage bias in the T. solium genome.

  1. Red Storm usage model :Version 1.12.

    Energy Technology Data Exchange (ETDEWEB)

    Jefferson, Karen L.; Sturtevant, Judith E.

    2005-12-01

    Red Storm is an Advanced Simulation and Computing (ASC) funded massively parallel supercomputer located at Sandia National Laboratories (SNL). The Red Storm Usage Model (RSUM) documents the capabilities and the environment provided for the FY05 Tri-Lab Level II Limited Availability Red Storm User Environment Milestone and the FY05 SNL Level II Limited Availability Red Storm Platform Milestone. This document describes specific capabilities, tools, and procedures to support both local and remote users. The model is focused on the needs of the ASC user working in the secure computing environments at Los Alamos National Laboratory (LANL), Lawrence Livermore National Laboratory (LLNL), and SNL. Additionally, the Red Storm Usage Model maps the provided capabilities to the Tri-Lab ASC Computing Environment (ACE) requirements. The ACE requirements reflect the high performance computing requirements for the ASC community and have been updated in FY05 to reflect the community's needs. For each section of the RSUM, Appendix I maps the ACE requirements to the Limited Availability User Environment capabilities and includes a description of ACE requirements met and those requirements that are not met in that particular section. The Red Storm Usage Model, along with the ACE mappings, has been issued and vetted throughout the Tri-Lab community.

  2. Japanese high school students' usage of mobile phones while cycling.

    Science.gov (United States)

    Ichikawa, Masao; Nakahara, Shinji

    2008-03-01

    To investigate the perception and actual use of mobile phones among Japanese high school students while riding their bicycles, and their experience of bicycle crash/near-crash. A questionnaire survey was carried out at high schools that were, at the time of the survey, commissioned by the National Agency for the Advancement of Sports and Health to conduct school safety research. In the survey, we found that mobile phone use while riding a bicycle was quite common among the students during their commute, but those who have a higher perception of danger in this practice, and those who perceived that this practice is prohibited, were less likely to engage in this practice. Male students and students commuting to school by bicycle only were more likely to have used phones while riding. There was a significant relationship between phone usage while riding a bicycle and the experience of bicycle crash/near-crash, although its causality was not established. Bicycle crash/near-crash experienced while using a phone was less prevalent among the students who had a higher perception of danger in phone usage while riding, students who perceived that this practice is prohibited, and students with a shorter travel time by bicycle during the commute. Since mobile phone use while riding a bicycle potentially increases crash risk among cyclists, student bicycle commuters should be made aware of this risk. Moreover, they should be informed that cyclists' phone usage while riding is prohibited according to the road traffic law.

  3. Translational selection on codon usage in the genus Aspergillus.

    Science.gov (United States)

    Iriarte, Andrés; Sanguinetti, Manuel; Fernández-Calero, Tamara; Naya, Hugo; Ramón, Ana; Musto, Héctor

    2012-09-10

    Aspergillus is a genus of mold fungi that includes more than 200 described species. Many members of the group are relevant pathogens and other species are economically important. Only one species has been analyzed for codon usage, and this was performed with a small number of genes. In this paper, we report the codon usage patterns of eight completely sequenced genomes which belong to this genus. The results suggest that selection for translational efficiency and accuracy are the major factors shaping codon usage in all of the species studied so far, and therefore they were active in the last common ancestor of the group. Composition and molecular distances analyses show that highly expressed genes evolve slower at synonymous sites. We identified a conserved core of translationally optimal codons and study the tRNA gene pool in each genome. We found that the great majority of preferred triplets match the respective cognate tRNA with more copies in the respective genome. We discuss the possible scenarios that can explain the observed differences among the species analyzed. Finally we highlight the biotechnological application of this research regarding heterologous protein expression. Copyright © 2012 Elsevier B.V. All rights reserved.

  4. Codon Usage Patterns of Tyrosinase Genes in Clonorchis sinensis.

    Science.gov (United States)

    Bae, Young-An

    2017-04-01

    Codon usage bias (CUB) is a unique property of genomes and has contributed to the better understanding of the molecular features and the evolution processes of particular gene. In this study, genetic indices associated with CUB, including relative synonymous codon usage and effective numbers of codons, as well as the nucleotide composition, were investigated in the Clonorchis sinensis tyrosinase genes and their platyhelminth orthologs, which play an important role in the eggshell formation. The relative synonymous codon usage patterns substantially differed among tyrosinase genes examined. In a neutrality analysis, the correlation between GC 12 and GC 3 was statistically significant, and the regression line had a relatively gradual slope (0.218). NC-plot, i.e., GC 3 vs effective number of codons (ENC), showed that most of the tyrosinase genes were below the expected curve. The codon adaptation index (CAI) values of the platyhelminth tyrosinases had a narrow distribution between 0.685/0.714 and 0.797/0.837, and were negatively correlated with their ENC. Taken together, these results suggested that CUB in the tyrosinase genes seemed to be basically governed by selection pressures rather than mutational bias, although the latter factor provided an additional force in shaping CUB of the C. sinensis and Opisthorchis viverrini genes. It was also apparent that the equilibrium point between selection pressure and mutational bias is much more inclined to selection pressure in highly expressed C. sinensis genes, than in poorly expressed genes.

  5. Grip Strength Survey Based on Hand Tool Usage

    Directory of Open Access Journals (Sweden)

    Erman ÇAKIT

    2016-12-01

    Full Text Available Hand grip strength is broadly used for performing tasks involving equipment in production and processing activities. Most professionals in this field rely on grip strength to perform their tasks. There were three main aims of this study: i determining various hand grip strength measurements for the group of hand tool users, ii investigating the effects of height, weight, age, hand dominance, body mass index, previous Cumulative Trauma Disorder (CTD diagnosis, and hand tool usage experience on hand grip strength, and iii comparing the obtained results with existing data for other populations. The study groups comprised 71 healthy male facility workers. The values of subjects’ ages was observed between 26 and 74 years. The data were statistically analyzed to assess the normality of data and the percentile values of grip strength. The results of this study demonstrate that there were no significance differences noted between dominant and non-dominant hands. However, there were highly significant differences between the CTD group and the other group. Hand grip strength for the dominant hand was positively correlated to height, weight, and body mass index, and negatively correlated to age and tool usage experience. Hand dominance, height, weight, body mass index, age and tool usage experience should be considered when establishing normal values for grip strength.

  6. Extracting Baseline Electricity Usage Using Gradient Tree Boosting

    Energy Technology Data Exchange (ETDEWEB)

    Kim, Taehoon [Ulsan Nat. Inst. of Sci. & Tech., Ulsan (South Korea); Lee, Dongeun [Ulsan Nat. Inst. of Sci. & Tech., Ulsan (South Korea); Choi, Jaesik [Ulsan Nat. Inst. of Sci. & Tech., Ulsan (South Korea); Spurlock, Anna [Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Sim, Alex [Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Todd, Annika [Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Wu, Kesheng [Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)

    2016-05-05

    To understand how specific interventions affect a process observed over time, we need to control for the other factors that influence outcomes. Such a model that captures all factors other than the one of interest is generally known as a baseline. In our study of how different pricing schemes affect residential electricity consumption, the baseline would need to capture the impact of outdoor temperature along with many other factors. In this work, we examine a number of different data mining techniques and demonstrate Gradient Tree Boosting (GTB) to be an effective method to build the baseline. We train GTB on data prior to the introduction of new pricing schemes, and apply the known temperature following the introduction of new pricing schemes to predict electricity usage with the expected temperature correction. Our experiments and analyses show that the baseline models generated by GTB capture the core characteristics over the two years with the new pricing schemes. In contrast to the majority of regression based techniques which fail to capture the lag between the peak of daily temperature and the peak of electricity usage, the GTB generated baselines are able to correctly capture the delay between the temperature peak and the electricity peak. Furthermore, subtracting this temperature-adjusted baseline from the observed electricity usage, we find that the resulting values are more amenable to interpretation, which demonstrates that the temperature-adjusted baseline is indeed effective.

  7. Electricity usage scheduling in smart building environments using smart devices.

    Science.gov (United States)

    Lee, Eunji; Bahn, Hyokyung

    2013-01-01

    With the recent advances in smart grid technologies as well as the increasing dissemination of smart meters, the electricity usage of every moment can be detected in modern smart building environments. Thus, the utility company adopts different price of electricity at each time slot considering the peak time. This paper presents a new electricity usage scheduling algorithm for smart buildings that adopts real-time pricing of electricity. The proposed algorithm detects the change of electricity prices by making use of a smart device and changes the power mode of each electric device dynamically. Specifically, we formulate the electricity usage scheduling problem as a real-time task scheduling problem and show that it is a complex search problem that has an exponential time complexity. An efficient heuristic based on genetic algorithms is performed on a smart device to cut down the huge searching space and find a reasonable schedule within a feasible time budget. Experimental results with various building conditions show that the proposed algorithm reduces the electricity charge of a smart building by 25.6% on average and up to 33.4%.

  8. Prevalence of internet and social media usage in orthopedic surgery.

    Science.gov (United States)

    Curry, Emily; Li, Xinning; Nguyen, Joseph; Matzkin, Elizabeth

    2014-08-08

    Prior studies in other specialties have shown that social networking and Internet usage has become an increasingly important means of patient communication and referral. The purpose of this study is to evaluate the prevalence of Internet or social media usage in new patients referred to a major academic orthopedics center and to identify new avenues to optimize patient recruitment and communication. New patients were surveyed (n=752) between December 2012 to January 2013 in a major academic orthopaedic center to complete a 15-item questionnaire including social media and Internet usage information. Data was collected for all orthopaedic sub-specialties and statistical analysis was performed. Fifty percent of patients use social networking sites, such as Facebook. Sports medicine patients tend to be higher social networking users (35.9%) relative to other services (9.8-17.9%) and was statistically higher when compared to the joints/tumor service (Psocial media. Patients that travelled between 120 to 180 miles from the hospital for their visits were significantly more likely to be social media users, as were patients that did research on their condition prior to their new patient appointment. We conclude that orthopedic patients who use social media/Internet are more likely to be younger, researched their condition prior to their appointment and undergo a longer average day's travel (120-180 miles) to see a physician. In an increasingly competitive market, surgeons with younger patient populations will need to utilize social networking and the Internet to capture new patient referrals.

  9. System and methods of resource usage using an interoperable management framework

    Science.gov (United States)

    Heileman, Gregory L.; Jamkhedkar, Pramod A.; Lamb, Christopher C.

    2017-10-31

    Generic rights expression language allowing interoperability across different computing environments including resource usage of different applications. A formal framework for usage management provides scaffolding upon which interoperable usage management systems can be built. Certain features of the framework are standardized, such as the operational semantics, including areas free of standards that necessitate choice and innovation to achieve a balance of flexibility and usability for interoperability in usage management systems.

  10. Strategic toolkits: seniority, usage and performance in the German SME machinery and equipment sector

    OpenAIRE

    Wagner, R.; Paton, R.A.

    2014-01-01

    This paper examines the strategic tool kit, from a human resource management (HRM) perspective, in terms of usage and impact. Research to date has tended to consider usage, assuming to a certain extent that knowledge and understanding of particular tools suggest that practitioners value them. The research on which this paper is based builds upon the idea that usage indicates satisfaction, but develops the usage theme to investigate which decision-makers are actually engaged in both tool appli...

  11. Remarks on Trade Usages And Business Practices In International Sales Law

    OpenAIRE

    Leonardo Graffi

    2011-01-01

    Trade usages and business practices are key elements of international commerce. In their day-to-day activities, traders and business people around the world constantly rely upon trade usages and business practices across a variety of industries. Usages and practices tend to be dignified by the business community with a status equivalent to that of actual law. As a matter of fact, many business persons often tend to regard trade usages and business practices as very powerful tools to ensure th...

  12. MANAJEMEN KULTUR ROTIFER DENGAN TANGKI VOLUME KECIL

    Directory of Open Access Journals (Sweden)

    Philip Teguh Imanto

    2009-04-01

    Full Text Available Keberhasilan pembenihan ikan sangat dipengaruhi keberhasilan produksi jasad pakan rotifer secara tepat dan efisien. Penelitian kultur rotifer dengan tangki volume kecil bertujuan untuk mendapatkan efisiensi produksi yang paling optimal dan memenuhi prinsip dasar akuakultur low volume high density. Penelitian menggunakan tangki polyethylene dengan volume 500 L dan volume media awal 100 L, padat tebar awal 200 ind. rotifer per mL dengan sediaan pakan dasar fitoplankton Nannocloropsis occulata, ragi roti (0,05 g/mio.rot./feeding dan suplemen Scott emulsion (0,005 g/mio.rot./feeding. Penelitian dilakukan secara bertahap; tahap pertama (I tanpa penambahan air laut, peningkatan volume hanya dari penambahan 15 L Nannochloropsis tiap hari sampai hari kelima, tahap kedua (II dengan penambahan alga 40 L dan air laut 40 L; serta tahap ketiga (III dengan menggandakan pemberian ragi roti. Hasil penelitian menunjukkan bahwa pada percobaan tahap I: total produksi rata-rata 122,37 x 106 ind. rotifer, pada tahap II: 97,67 x 106 ind. rotifer, dan pada tahap III: dicapai rata-rata total produksi tertinggi dengan 187,17 x 106 ind. rotifer per tanki kultur 500 L. Pengelolaan kultur pada tahap III memberikan hasil terbaik dengan simpangan terkecil antar tangki kultur ulangan, dan membuktikan sebagai pengelolaan terbaik untuk kultur rotifer dengan tangki volume kecil.  Success of marine seed production is highly influenced by effective and efficient production performance of life food rotifer. Observation on rotifer culture using small volume tank was aimed to get the optimum production and efficiency, to fulfill the basic principle of aquaculture “low volume high density”. Polyethylene tanks of 500 L. were used as culture container, with initial 100 liter sea water as culture medium and initial density of 200 ind. rotifer per mL. N. occulata, baker yeast (0.05 g/mio.rotifer/feeding and Scott emulsion (0.005 g/mio.rotifer/feeding were used as basic feed, and

  13. Delivery of electroconvulsive therapy in Canada: a first national survey report on usage, treatment practice, and facilities.

    Science.gov (United States)

    Martin, Barry A; Delva, Nicholas John; Graf, Peter; Gosselin, Caroline; Enns, Murray W; Gilron, Ian; Jewell, Mark; Lawson, James Stuart; Milev, Roumen; Patry, Simon; Chan, Peter K Y

    2015-06-01

    The aims of this study were to document electroconvulsive therapy use in Canada with respect to treatment facilities and caseloads based on a survey of practice (Canadian Electroconvulsive Therapy Survey/Enquete Canadienne Sur Les Electrochocs-CANECTS/ECANEC) and to consider these findings in the context of guideline recommendations. All 1273 registered hospitals in Canada were contacted, and 175 sites were identified as providing electroconvulsive therapy; these sites were invited to complete a comprehensive questionnaire. The survey period was calendar year 2006 or fiscal year 2006/2007. National usage rates were estimated from the responses. Sixty-one percent of the sites completed the questionnaire; a further 10% provided caseload data. Seventy were identified as general; 31, as university teaching; and 21, as provincial psychiatric/other single specialty (psychiatric) hospitals. Caseload volumes ranged from a mean of fewer than 2 to greater than 30 treatments per week. Estimated national usage during the 1-year survey period was 7340 to 8083 patients (2.32-2.56 per 10,000 population) and 66,791 to 67,424 treatments (2.11-2.13 per 1000 population). The diagnostic indications, admission status, and protocols for course end points are described. The usage rates are in keeping with earlier Canadian data and with those from other jurisdictions. The difficulty obtaining caseload data from individual hospitals is indicative of the need for standardized data collection to support both clinical research and quality assurance. The wide variation in protocols for number of treatments per course indicates a need for better informed clinical guidelines. The broad range of caseload volumes suggests the need to review the economies of scale in the field.

  14. Selective forces and mutational biases drive stop codon usage in the human genome: a comparison with sense codon usage.

    Science.gov (United States)

    Trotta, Edoardo

    2016-05-17

    The three stop codons UAA, UAG, and UGA signal the termination of mRNA translation. As a result of a mechanism that is not adequately understood, they are normally used with unequal frequencies. In this work, we showed that selective forces and mutational biases drive stop codon usage in the human genome. We found that, in respect to sense codons, stop codon usage was affected by stronger selective forces but was less influenced by neutral mutational biases. UGA is the most frequent termination codon in human genome. However, UAA was the preferred stop codon in genes with high breadth of expression, high level of expression, AT-rich coding sequences, housekeeping functions, and in gene ontology categories with the largest deviation from expected stop codon usage. Selective forces associated with the breadth and the level of expression favoured AT-rich sequences in the mRNA region including the stop site and its proximal 3'-UTR, but acted with scarce effects on sense codons, generating two regions, upstream and downstream of the stop codon, with strongly different base composition. By favouring low levels of GC-content, selection promoted labile local secondary structures at the stop site and its proximal 3'-UTR. The compositional and structural context favoured by selection was surprisingly emphasized in the class of ribosomal proteins and was consistent with sequence elements that increase the efficiency of translational termination. Stop codons were also heterogeneously distributed among chromosomes by a mechanism that was strongly correlated with the GC-content of coding sequences. In human genome, the nucleotide composition and the thermodynamic stability of stop codon site and its proximal 3'-UTR are correlated with the GC-content of coding sequences and with the breadth and the level of gene expression. In highly expressed genes stop codon usage is compositionally and structurally consistent with highly efficient translation termination signals.

  15. Antecedents of Continued Usage Intentions of Web-Based Learning Management System in Tanzania

    Science.gov (United States)

    Lwoga, Edda Tandi; Komba, Mercy

    2015-01-01

    Purpose: The purpose of this paper is to examine factors that predict students' continued usage intention of web-based learning management systems (LMS) in Tanzania, with a specific focus on the School of Business of Mzumbe University. Specifically, the study investigated major predictors of actual usage and continued usage intentions of…

  16. Codon usage vis-a-vis start and stop codon context analysis of three ...

    Indian Academy of Sciences (India)

    To understand the variation in genomic composition and its effect on codon usage, we performed the comparative analysis of codon usage and nucleotide usage in the genes of three dicots, Glycine max, Arabidopsis thaliana and Medicago truncatula. The dicot genes were found to be A/T rich and have predominantly ...

  17. Foreign Language Instruction from a dynamic usage-based (DUB) perspective

    NARCIS (Netherlands)

    Rousse-Malpat, Audrey; Verspoor, Marjolijn; Tyler, Andrea E.; Ortega, Lourdes; Uno, Mariko; Park, Hae In

    2018-01-01

    In this chapter we combine ideas of usage based linguistics and dynamic systems theory to argue that language is a dynamic usage based system and L2 learning is a dynamic process. Two teaching approaches based on Dynamic Usage-based (DUB) principles with mainly implicit attention to form--a movie

  18. Volume of a laser-induced microjet

    Science.gov (United States)

    Kawamoto, Sennosuke; Hayasaka, Keisuke; Noguchi, Yuto; Tagawa, Yoshiyuki

    2015-11-01

    Needle-free injection systems are of great importance for medical treatments. In spite of their great potential, these systems are not commonly used. One of the common problems is strong pain caused by diffusion shape of the jet. To solve this problem, the usage of a high-speed highly-focused microjet as needle-free injection system is expected. It is thus crucial to control important indicators such as ejected volume of the jet for its safe application. We conduct experiments to reveal which parameter influences mostly the ejected volume. In the experiments, we use a glass tube of an inner diameter of 500 micro-meter, which is filled with the liquid. One end is connected to a syringe and the other end is opened. Radiating the pulse laser instantaneously vapors the liquid, followed by the generation of a shockwave. We find that the maximum volume of a laser-induced bubble is approximately proportional to the ejected volume. It is also found that the occurrence of cavitation does not affect the ejected volume while it changes the jet velocity.

  19. Possibilities of practical usage of dispersed aluminim oxidation by liquid water

    Science.gov (United States)

    Larichev, M. N.; Laricheva, O. O.; Shaitura, N. S.; Shkolnikov, E. I.

    2012-12-01

    The goal of this work is to show the possibility of practical usage of the environmentally pure oxidation process of preliminarily dispersed aluminum (aluminum powders of the ASD or PAD grade according to TU (Technical Specifications) 48-5-226-87, which are serially produced in industry) with liquid water in order to obtain gaseous hydrogen in volumes sufficient to provide the operation of energizers based on airhydrogen fuel cells (AHFC) for portable and stationary devices (up to 3 kW). It is shown that the synthesis of aluminum oxides-hydroxides with the specified phase and chemical compositions as well as the particle shape and size can be provided simultaneously with producing commercial hydrogen. The practical usage of hydrogen, which is formed in the oxidation reaction of metallic aluminum with liquid water at pressures close to atmospheric (particularly, to service AHFCs), requires reaction intensification to increase the oxidation rate of aluminum. In this work, we considered the aspects of practical implementation of thermal, ultrasonic, and chemical activation as well as their combinations for this purpose. As the chemical activator of oxidation, we used the additives of calcium oxide (<5% of the mass of oxidized aluminum). Application of each activation method affects the phase and chemical compositions as well as the structure of formed aluminum hydroxides, which provides the possibility of their reproducible production. Thus, simultaneously with the production of commercial hydrogen, solid oxidation products satisfying the needs of industry in aluminum oxides and having the specified composition, purity, and particle shape and size can be synthesized. The acquired experimental results and elements of the design of specially developed industrial apparatuses, which were used when performing this work, can be applied when designing the model of the hydrogen generator—the prototype of the hydrogen generator for portable and stationary devices or devices

  20. E-book usage on a global scale: patterns, trends and opportunities

    Directory of Open Access Journals (Sweden)

    Michael Levine-Clark

    2015-07-01

    Full Text Available This study examines worldwide usage of over 600,000 e-books from EBL and ebrary. Using multiple modes of analysis, the study shows that there are variations in usage by geographic region as well as by subject. The study examines usage in relation to availability of titles, different types of usage per session, usage of the top ten percent of titles, and intensive and extensive use. These patterns can be used for benchmarking and as a model for local e-book studies.

  1. Towards high-resolution positron emission tomography for small volumes

    International Nuclear Information System (INIS)

    McKee, B.T.A.

    1982-01-01

    Some arguments are made regarding the medical usefulness of high spatial resolution in positron imaging, even if limited to small imaged volumes. Then the intrinsic limitations to spatial resolution in positron imaging are discussed. The project to build a small-volume, high resolution animal research prototype (SHARP) positron imaging system is described. The components of the system, particularly the detectors, are presented and brief mention is made of data acquisition and image reconstruction methods. Finally, some preliminary imaging results are presented; a pair of isolated point sources and 18 F in the bones of a rabbit. Although the detector system is not fully completed, these first results indicate that the goals of high sensitivity and high resolution (4 mm) have been realized. (Auth.)

  2. Online tables of contents for books: effect on usage*

    Science.gov (United States)

    Morris, Ruth C.

    2001-01-01

    Objectives: To explore whether the presence of online tables of contents (TOC) in an online catalog affects circulation (checkouts and inhouse usage). Two major questions were posed: (1) did the presence of online tables of contents for books increase use, and, (2) if it did, what factors might cause the increase? Method: A randomized and stratified design was used in tracking usage of 3,957 book titles that were previously divided into two groups: one with TOC and one without TOC. Stratification was done for year of imprint, location, subject, previous use, circulating or non-circulating status, and presence of TOC. The use was tracked by the online catalog statistics in the InnoPac online catalog for fourteen months. Results: The study found that tables of contents do increase usage. It also showed a correlation in the size of the effect based on the currency of the titles. In general, even after adjusting for all of the variables (publication date, location, circulation status, subject, and previous use), the odds of a title being used increased by 45% if the titles had online tables of contents, a statistically significant impact at the 0.05 level. Conclusions: This case-control study presents new information about the impact on circulation and inhouse use when tables of contents for books are added to the online catalog record. The study helps to establish the positive role of tables of contents in online catalogs. The research establishes TOC as a major parameter that can be successfully studied using quantitative methods. The study also provides information professionals with some guidance on when enhancement of TOC is likely to be most effective in increasing the use of existing collections. PMID:11209798

  3. Usage Patterns of a Mobile Palliative Care Application.

    Science.gov (United States)

    Zhang, Haipeng; Liu, David; Marks, Sean; Rickerson, Elizabeth M; Wright, Adam; Gordon, William J; Landman, Adam

    2018-06-01

    Fast Facts Mobile (FFM) was created to be a convenient way for clinicians to access the Fast Facts and Concepts database of palliative care articles on a smartphone or tablet device. We analyzed usage patterns of FFM through an integrated analytics platform on the mobile versions of the FFM application. The primary objective of this study was to evaluate the usage data from FFM as a way to better understand user behavior for FFM as a palliative care educational tool. This is an exploratory, retrospective analysis of de-identified analytics data collected through the iOS and Android versions of FFM captured from November 2015 to November 2016. FFM App download statistics from November 1, 2015, to November 1, 2016, were accessed from the Apple and Google development websites. Further FFM session data were obtained from the analytics platform built into FFM. FFM was downloaded 9409 times over the year with 201,383 articles accessed. The most searched-for terms in FFM include the following: nausea, methadone, and delirium. We compared frequent users of FFM to infrequent users of FFM and found that 13% of all users comprise 66% of all activity in the application. Demand for useful and scalable tools for both primary palliative care and specialty palliative care will likely continue to grow. Understanding the usage patterns for FFM has the potential to inform the development of future versions of Fast Facts. Further studies of mobile palliative care educational tools will be needed to further define the impact of these educational tools.

  4. Life extension of components with high cumulative fatigue usage

    International Nuclear Information System (INIS)

    Server, W.L.

    1985-01-01

    The current ASME Boiler and Pressure Vessel Code fatigue design approach has significant margins of safety as evidenced by fatigue data on full-scale vessels. In order to extend qualification (life) of components which have reached the Code design usage limit of unity, improved criteria are needed which address crack initiation and propagation separately such that safe operation of these components is ensured. The fatigue initiation phase is composed of two processes: initial microcracking of internal particles or accumulation of local strain (cyclic slip) creating discontinuities which form microcracks, and the growth of the microcracks in a noncontinuum manner. The microcracks which initiate will eventually grow to a size in which continuum mechanics apply, and fracture mechanics concepts have been employed. The later propagation to failure of a component is also composed of two parts, continuum crack growth in a stable manner and eventual unstable fracture of the remaining ligament of material. This paper reviews the current status of technology in assessing initiation and propagation relative to the current design Code and suggests areas of improvement to cover extended life of high usage factor components. To illustrate some of these considerations, a case study for a small manufacturing defect was reviewed. A realistic component was analyzed to investigate the interrelationship between the ASME Code Section III design life and crack propagation behavior of a small manufacturing defect. A pressurized water reactor (PWR) primary coolant system was used in the analysis, and the terminal end of the hot-leg pipe at the safe end weld was selected since usage factors as high as 0.95 had been reported. The particular plant chosen was Zion-1 because the necessary information on loading, including thermal transients, was available in the open literature. 11 refs., 1 fig., 1 tab

  5. [Exploring nurse, usage effectiveness of mobile nursing station].

    Science.gov (United States)

    Chang, Fang-Mei; Lee, Ting-Ting

    2013-04-01

    A mobile nursing station is an innovative cart that integrates a wireless network, information technology devices, and online charts. In addition to improving clinical work and workflow efficiencies, data is integrated among different information systems and hardware devices to promote patient safety. This study investigated the effectiveness of mobile nursing cart use. We compared different distributions of nursing activity working samples to evaluate the nursing information systems in terms of interface usability and usage outcomes. There were two parts of this study. Part one used work sampling to collect nursing activity data necessary to compare a unit that used a mobile nursing cart (mobile group, n = 18) with another that did not (traditional group, n = 14). Part two applied a nursing information system interface usability questionnaire to survey the mobile unit with nurses who had used a mobile nursing station (including those who had worked in this unit as floating nurses) (n = 30) in order to explore interface usability and effectiveness. We found that using the mobile nursing station information system increased time spent on direct patient care and decreased time spent on indirect patient care and documentation. Results further indicated that participants rated interface usability as high and evaluated usage effectiveness positively. Comments made in the open-ended question section raised several points of concern, including problems / inadequacies related to hardware devices, Internet speed, and printing. This study indicates that using mobile nursing station can improve nursing activity distributions and that nurses hold generally positive attitudes toward mobile nursing station interface usability and usage effectiveness. The authors thus encourage the continued implementation of mobile nursing stations and related studies to further enhance clinical nursing care.

  6. Usage labels network: an approach to lexical variation

    Directory of Open Access Journals (Sweden)

    Danko Šipka

    1994-12-01

    Full Text Available The Problem of lexical variation is frequently addressed within the linguistic community. Its complexity and the broad implications of any possible solution have considerable appeal among theoretical linguists. Lexicographers, in their turn, have been forced to address it in order to provide dictionary usage information, which is normally done by means of dictionary labels such as: American English, obsolete, slang , etc. An insightful overview of the relevant lexicological approaches, as well as some lexicographis projects is provided in Lipka (1990. The most exhaustive sociolinguistic classification, however, can be found in Preston (1986. Lexicographis treatments of lexical variation have been addressed in numerous papers listed in Zgusta (1988.

  7. Mobile Phones Usage and Employees’ Performance: A Perspective from Pakistan

    OpenAIRE

    Rabia Sarwar Wahla; Abdul Ghafoor Awan

    2014-01-01

    The mobile phone usage by the workers at work place may be considered by some people as a disruption from work which may negatively affect productivity. Some also may be of the view that it will improve communication and as such impact productivity positively. The purpose of this paper is to investigate the employee’s mobile phone dependency and its impact on their performance among the employees of four major industries of Pakistan. A field survey carried out with the help of a structured qu...

  8. Usage et expérience du film

    OpenAIRE

    Dufour, Eric

    2016-01-01

    Ce travail exhibe les origines de la théorie de la réception dans la philosophie allemande du XIXe siècle, il analyse ses développements et explique comment son sens cohérent se trouve dans une redéfinition de l’usage, illustrée par l’exemple de la réception, dans les banlieues, du film de B. de Palma, Scarface. This article analyzes the beginnings of the reception theory in German philosophy, then its developments. It argues that the logical sense of this theory lays in a new definition o...

  9. Alternative Promoter Usage in Healthy and Inflamed Tissue

    DEFF Research Database (Denmark)

    Lilje, Berit

    and cell-lines covering the entire human body. This provides a unique dataset to study gene expression, with promoter level precision. Here we use this large collection of data to study alternative transcription start site usage throughout the human body. We find that many alternative transcription start...... with tumour necrosis factor alpha, and on tissue from mice subjected to carbon nanotubes. Both systems show a strong response, with especially alternative transcription start sites being differentially regulated. Taken together this shows that alternative transcription start sites add an important layer...

  10. USAGE OF DIOCTAHEDRAL SMECTITE IN CHILDREN WITH ATOPIC DERMATITIS

    Directory of Open Access Journals (Sweden)

    A.S. Botkina

    2008-01-01

    Full Text Available The results of enter sorbent — dioctahedral Smectite (Neosmektin — usage as part of complex therapy of children with atopic dermatitis (ATD. It is shown that the administration of Smectite favored better efficacy of baseline treatment of ATD, more express and quick regression of skin manifestations of the disease, decrease in number of children with eosinophilia. High efficacy of ATD treatment with Smectite indicates the pathogenetic justification of efferent therapy of the disease. Observation results witness the good tolerability of Smectite: side effects related to the treatment were only observed in 14 percent of children.Key words: children, atopic dermatits, smectite, treatment.

  11. Quels usages de la bibliotheque au Maroc 

    Directory of Open Access Journals (Sweden)

    Anouk Cohen

    2008-10-01

    Full Text Available Officine de l’âme et de l’esprit, la bibliothèque représente ce lieu où se forme un patrimoine, individuel ou collectif, et où s’élabore une construction, personnelle ou non, référant à une histoire, elle-même relative à une mémoire propre. Afin de cerner ce qu’il en est au Maroc, nous interrogerons, sous un angle ethnologique, le rapport des lecteurs à leur bibliothèque, qu’elle soit publique ou privée, afin non seulement de comprendre quels sont les livres appelés à constituer le patrimoine dont elle sera le dépositaire : à faire patrimoine, mais également cerner les représentations qui lui sont attachées, la mémoire à laquelle elle réfère, les usages qui en découlent, et le rôle qui lui est attribué. Alors que la bibliothèque publique fait l’objet d’usages limités et strictement fonctionnels de la part de ses usagers, la bibliothèque privée donne lieu à davantage d’appropriations personnelles. Nous tenterons de comprendre pourquoi les pratiques attachées à la bibliothèque sont davantage, voire essentiellement, retranchées dans le domaine privé, en interrogeant les usages réels, c'est-à-dire privés, de la bibliothèque. On observera que les bibliothèques privées sont dépositaires d’un patrimoine traditionnel tirant son essence de l’histoire arabe et d’une mémoire de l’Antiquité. Un patrimoine, nous le verrons, davantage véhiculé par l’esthétique propre aux ouvrages qui le portent que par leur contenu. A cette fonction esthétique de la bibliothèque s’ajoute un rôle distinctif, chaque individu en effet, au travers de sa bibliothèque racontant son histoire relative à une mémoire singulière.

  12. FPGA curved track fitter with very low resource usage

    Energy Technology Data Exchange (ETDEWEB)

    Wu, Jin-Yuan; Wang, M.; Gottschalk, E.; Shi, Z.; /Fermilab

    2006-11-01

    Standard least-squares curved track fitting process is tailored for FPGA implementation. The coefficients in the fitting matrices are carefully chosen so that only shift and accumulation operations are used in the process. The divisions and full multiplications are eliminated. Comparison in an application example shows that the fitting errors of the low resource usage implementation are less than 4% bigger than the fitting errors of the exact least-squares algorithm. The implementation is suitable for low-cost, low-power applications such as high energy physics detector trigger systems.

  13. Usages des TIC et socialisation professionnelle des enseignants-chercheurs

    OpenAIRE

    Lavielle-Gutnik, Nathalie; Massou, Luc

    2013-01-01

    En prenant appui sur une nouvelle analyse des données recueillies dans l’enquête Tec-Meus (2008-2011, MSH Lorraine) sur la place accordée par des enseignants-chercheurs en sciences humaines et sociales aux technologies de l’information et de la communication (TIC) dans leur activité d’enseignement, nous souhaitons nous focaliser dans cet article sur la compréhension des processus de socialisation professionnelle en jeu dans leur usage déclaré des TIC. Par socialisation professionnelle, nous e...

  14. THE USAGE OF TECHNOLOGIES IN TERRESTRIAL MEASUREMENTS FOR HAZARD MAPS

    Directory of Open Access Journals (Sweden)

    VELE Dan

    2015-06-01

    Full Text Available In the context of natural phenomena (earthquakes, floods, landslides etc. bring economical and social prejudices year by year, watching on them and taking decisions becomes mandatory for reducing the material and human lives loss. Making hazard maps represents a tool used on wide global scale but also particularly in our country. This paper work has the purpose to reveal the interests of certain authors related to the usage of the new technologies of terrestrial measurements (GPS technologies, photogrammetry, cartography and of remote sensing in order to make these hazard maps.

  15. TECHNOLOGY USAGE AMONG CONSTRUCTION STUDENTS THE MODERATING ROLE OF GENDER

    OpenAIRE

    T. Ramayah; Mastura Jaafar

    2008-01-01

    This study examines the impact of perceived usefulness and perceived ease of use on the extent of personal computer (PC) usage among a group of undergraduates at the School of Housing, Building and Planning, Universiti Sains Malaysia. It also looks at the moderating role of gender in the above said relationship. Data was collected using a structured questionnaire. A total of 244 students responded to the survey. Results showed that perceived ease of use (β = 0.309, p < 0.01) was positively re...

  16. Usage of LinkedIn in the labour market

    OpenAIRE

    Dušenka, Tomáš

    2017-01-01

    This Master thesis looks into the usage of the social network LinkedIn in the labour market by university students and graduates. In the theory, there is aim at explanation of the relationship between human and work, and also how the recruitment process looks like. In the practical part, there is explained how LinkedIn works and then analyzed the process of using it by university students and graduates when searching for a job. At the end, based on the analysis, there is a suggestion how to u...

  17. A PRACTICAL ONTOLOGY FOR THE LARGE-SCALE MODELING OF SCHOLARLY ARTIFACTS AND THEIR USAGE

    Energy Technology Data Exchange (ETDEWEB)

    RODRIGUEZ, MARKO A. [Los Alamos National Laboratory; BOLLEN, JOHAN [Los Alamos National Laboratory; VAN DE SOMPEL, HERBERT [Los Alamos National Laboratory

    2007-01-30

    The large-scale analysis of scholarly artifact usage is constrained primarily by current practices in usage data archiving, privacy issues concerned with the dissemination of usage data, and the lack of a practical ontology for modeling the usage domain. As a remedy to the third constraint, this article presents a scholarly ontology that was engineered to represent those classes for which large-scale bibliographic and usage data exists, supports usage research, and whose instantiation is scalable to the order of 50 million articles along with their associated artifacts (e.g. authors and journals) and an accompanying 1 billion usage events. The real world instantiation of the presented abstract ontology is a semantic network model of the scholarly community which lends the scholarly process to statistical analysis and computational support. They present the ontology, discuss its instantiation, and provide some example inference rules for calculating various scholarly artifact metrics.

  18. Factors Influencing Facebook Usage and Facebook Addictive Tendency in University Students: The Role of Online Psychological Privacy and Facebook Usage Motivation.

    Science.gov (United States)

    Hong, Fu-Yuan; Chiu, Su-Lin

    2016-04-01

    There are few studies analysing the influence of personal traits and motivation factors on Facebook usage and Facebook addictive tendency as seen in university students. In this study, 225 Taiwanese university students completed a questionnaire to determine their online psychological privacy scale, Facebook usage motivation scale, Facebook usage scale and Facebook addictive tendency scale, in order to evaluate the items that can be conceptualized as the effect of university students' online psychological privacy personal trait and motive factors, and Facebook usage motivation with respect to Facebook usage and Facebook addictive tendency. The study found that a desire for more online psychological privacy correlates with a stronger motivation to use Facebook and more Facebook usage behaviour among university students who may become high-risk groups for Facebook addictive tendency. The study found that a desire for or an acceptance of a lower online psychological privacy correlates with a stronger motivation to use Facebook among university students who may have more Facebook usage behaviour. This study can help understand university students' Facebook usage and Facebook addictive tendency and provide feature indicators for those who may become high-risk groups for Facebook addictive tendency. Finally, this study conducts discussion and proposes relevant suggestions for future study. Copyright © 2014 John Wiley & Sons, Ltd.

  19. TURKEY’S MOST POPULAR 10 RADIO STATIONS FACEBOOK USAGE

    Directory of Open Access Journals (Sweden)

    Ufuk INAL

    2017-04-01

    Full Text Available Mass media is becoming a different structure day by day. When thinking about the use of fire for communicating with the distant, it is surprising that the development of the last century is remarkable. Today's communication systems make it possible for individuals to be active in many places at the same time thanks to mobile phones, computers and different mobile devices, channels and internet-enabled platforms. These platforms, such as Facebook, Twitter, and Instagram, have different billions of users from different parts of the world. These structures, which are generally known as social platforms, offer various possibilities not only for individuals but also for institutions and organizations. Today, many institutions and organizations appear to be on social platforms. According to the constructs, the social platforms of these institutions and organizations have varying purposes and forms of use. The sole example of the influence of social platforms in mass communication is the use of these platforms by mass media. In this study, it was emphasized the issue of the extent to which the radion, one of the oldest mass communication tools, used which effect and for what purpose. In this direction, the usage patterns of 10 most heard radio in Turkey are examined in Facebook, which is ahead of other social platforms in terms of user potential and frequency in Turkey. Meanwhile, Facebook profiles usage and content creation styles of the radios are determined. Finally, the link between the rest of the radios and the Facebook movement breakdown was questioned.

  20. Stachytarpheta jamaicensis (L. Vahl: From Traditional Usage to Pharmacological Evidence

    Directory of Open Access Journals (Sweden)

    Pearl Majorie Liew

    2016-01-01

    Full Text Available Introduction. Stachytarpheta jamaicensis (L. Vahl belongs to the family of Verbenaceae and is commonly known as Gervao, Brazilian tea, verbena cimarrona, rooter comb, or blue porter weed. It is one of the important plants with high medicinal and nutraceutical benefits. S. jamaicensis contains various medicinal properties in traditional and folk medicinal systems, with cures for several diseases. Objective. The objective of this review paper is to collect information concerning the morphology, distribution, traditional usage, phytochemical compositions, biological activities, and safety data of S. jamaicensis. Materials and Methods. The information was obtained from literature search through electronic databases such as PubMed and Google Scholar on S. jamaicensis. Results and Conclusion. The high medicinal properties of this plant, for instance, antimicrobial and antifungal effect as the main activities, but verbascoside as the main active chemical component, make it a valuable source of the medicinal compound. This review paper summarizes all information concerning the morphology, distribution, traditional usage, phytochemical compositions, pharmacological activities, and toxicological studies of S. jamaicensis.

  1. Mobile Phone Banking Usage Behaviour: An Australian Perspective

    Directory of Open Access Journals (Sweden)

    Majharul Talukder

    2014-12-01

    Full Text Available While the use of mobile phones in financial transactions is witnessing phenomenal growth at the international level, its growth has been relatively slow in Australia. Drawing on the theory of reasoned action and technology adoption framework, this paper reports the results concerning a survey of mobile phone users for banking transactions in Australia. The paper specifically identified the factors affecting usage behaviour when mobile phone banking services were engaged. The findings broaden and deepen our understanding of the usage of mobile-based banking in the information age. This paper contributes to the knowledge of this subject by including identification and testing of constructs of predictors regarding mobile phone banking, which are additional to those employed in the extant theories indicated above. The findings of this paper have important policy implications for banks in terms of understanding the underlying factors that drive customers’ mobile banking for financial transactions. Accordingly, design strategies have been developed to promote mobile phone banking – a cost effective channel for delivering financial services.

  2. GPS Usage in a Population of Low-Vision Drivers.

    Science.gov (United States)

    Cucuras, Maria; Chun, Robert; Lee, Patrick; Jay, Walter M; Pusateri, Gregg

    2017-01-01

    We surveyed bioptic and non-bioptic low-vision drivers in Illinois, USA, to determine their usage of global positioning system (GPS) devices. Low-vision patients completed an IRB-approved phone survey regarding driving demographics and usage of GPS while driving. Participants were required to be active drivers with an Illinois driver's license, and met one of the following criteria: best-corrected visual acuity (BCVA) less than or equal to 20/40, central or significant peripheral visual field defects, or a combination of both. Of 27 low-vision drivers, 10 (37%) used GPS while driving. The average age for GPS users was 54.3 and for non-users was 77.6. All 10 drivers who used GPS while driving reported increased comfort or safety level. Since non-GPS users were significantly older than GPS users, it is likely that older participants would benefit from GPS technology training from their low-vision eye care professionals.

  3. Integrated Cost Allocation of Transmission Usage under Electricity Markets

    Directory of Open Access Journals (Sweden)

    Hermagasantos Zein

    2012-08-01

    Full Text Available Cost allocation of transmission usage on the power networks is an important issue especially in the modern electricity market mechanism. In this context, all costs that have been embedded in the transmission, embedded cost, should be covered by the transmission users. This paper follows general methods, where generators are fullyresponsible to cover the embedded cost. It proposes a method to determine the cost allocation of transmission usage based on decomposition through the superposition techinique to determine power flow contributions from an integrated base case of the results of the power flow calculations of all transactions, bilateral and nonbilateral contracts. Mathematically, the applied formulations are illustrated clearly in this paper. The proposed method has been tested with 5-bus system and the results are much different compared to a few of the published methods. This is shown by the test results on the 5 bus system. The published methods produce total power flow contributions in each line is greater than the actual. And they earn total revenues approximately 11.6% greater than the embedded cost. While on the proposed method, the power flow contribu tions are equal to the actual and the revenues are equal to the embedded cost. It shows also that the proposed method gives results as expected.

  4. Mining for Social Media: Usage Patterns of Small Businesses

    Directory of Open Access Journals (Sweden)

    Balan Shilpa

    2017-03-01

    Full Text Available Background: Information can now be rapidly exchanged due to social media. Due to its openness, Twitter has generated massive amounts of data. In this paper, we apply data mining and analytics to extract the usage patterns of social media by small businesses. Objectives: The aim of this paper is to describe with an example how data mining can be applied to social media. This paper further examines the impact of social media on small businesses. The Twitter posts related to small businesses are analyzed in detail. Methods/Approach: The patterns of social media usage by small businesses are observed using IBM Watson Analytics. In this paper, we particularly analyze tweets on Twitter for the hashtag #smallbusiness. Results: It is found that the number of females posting topics related to small business on Twitter is greater than the number of males. It is also found that the number of negative posts in Twitter is relatively low. Conclusions: Small firms are beginning to understand the importance of social media to realize their business goals. For future research, further analysis can be performed on the date and time the tweets were posted.

  5. Usage pattern of personal care products in California households.

    Science.gov (United States)

    Wu, Xiangmei May; Bennett, Deborah H; Ritz, Beate; Cassady, Diana L; Lee, Kiyoung; Hertz-Picciotto, Irva

    2010-11-01

    Given the concern over the potential for health risks associated with certain ingredients (e.g., phthalates) in personal care products, usage patterns of ∼30 types of personal care products (e.g., shampoo, sunscreen, fragrance, etc.) were collected in 604 California households through a telephone interview. Preferences in selecting products, e.g., scented or unscented, aerosol, and brand loyalty, were also investigated. Participants were recruited in three age groups, children (mostly preschoolers), their parents, and adults age 55 or older. Use frequencies of various product types varied by sex, age group, race, education, and climatic region. Product use by parent and child from the same household were correlated. Use frequencies of products in the same class (e.g., skincare) were moderately correlated, which may impact aggregate exposures. Use frequencies observed in this study were generally in the same range as those reported in the EPA Exposure Factor Handbook, but we found differences for some individual products. Our study provides additional data on population-based usage patterns of a large collection of commonly used personal care products pertaining to several age groups and socio-demographic strata. This information will be valuable for exposure and risk assessments. Copyright © 2010 Elsevier Ltd. All rights reserved.

  6. Pattern of Internet Usage in Planning after-School Programs

    Directory of Open Access Journals (Sweden)

    T. Shahjafari

    2015-05-01

    Full Text Available The present research studies the pattern of the Internet usage by the third grade students of middle schools in the school year 2012-13 in Tehran. For this purpose, the needs of Iranian teenagers in virtual and cyber space have been identified and studied through an interdisciplinary approach. A researcher-made questionnaire and interviews with specialists and scholars in the fields of curriculum planning, educational technology, educational planning, information technology and communication were used based on an interdisciplinary approach. Finally, the needs of the students were divided and categorized into two factors of knowledge and skill, and individual and social characteristics on the basis of factor analysis method; the pattern of the Internet usage, including leisure factors and accessibility to information and sources, was designed and presented. Also, the results indicate that these factors have no direct effect on the network features and this effect occurs in relation to leisure factors through the location of the programs. Students’ interest in the Internet was mainly for the purposes of downloading videos and music and also playing online games and entertainment programs. This implies the necessity of attention on the part of planners to preparing and providing videos, games and educational, scientific and entertaining programs.

  7. Energy Usage of Residents on Offshore Islands in Taiwan

    Directory of Open Access Journals (Sweden)

    Szu-Cheng Lu

    2015-05-01

    Full Text Available A field study was conducted through interviews on offshore islands in Taiwan to investigate the energy usage of local residents. A comparison of household appliance usage in mainland Taiwan with that on the offshore islands revealed that, overall, the most commonly used household appliances are steam cookers/rice cookers, water dispensers, and washing machines. For other household appliances, Levels 2 and 3 offshore isles have lower use penetration rates compared with those in mainland Taiwan and on Level 1 offshore isles, particularly for the use of computers. By contrast, the use penetration rate for chest freezers on Levels 2 and 3 offshore isles is high, and each household has one or more freezers on average. This appliance is not a commonly observed household product in mainland Taiwan or on Level 1 offshore isles. Furthermore, because of the government policy, every household on parts of Level 2 offshore isles and on all Level 3 offshore isles has a fixed monthly charge of electricity. The transportation of liquefied petroleum gas is also inconvenient, and the gas price is slightly higher, leading to the tendency of residents to consume excessive amounts of electrical energy, which does not correspond with the aim of the government to conserve energy and reduce carbon emissions; thus, the relevant authorities’ review and improvement on energy consumption on Levels 2 and 3 offshore isles are required.

  8. Internet Usage In The Fresh Produce Supply Chainin China

    Science.gov (United States)

    Xu, Xiaoxiao; Duan, Yanqing; Fu, Zetian; Liu, Xue

    Although effective implementation of the Internet technologies has a great potential for improving efficiency and reducing wastage within the fresh produce supply chain. the situation of the Internet usage by SMEs (small and medium sized enterprises) in the fresh produce supply chain is still unclear in China. As the main players, SMEs haven't been given enough attention from both academics and governments. Therefore, this research attempts to address this issue by, first, investigating the current usage of the Internet and related software by Chinese SMEs in the fresh produce supply chain, and then, by identifying enablers and barriers faced by SMEs to call government's attention. As a part of an EU-Asia IT&C funded project, a survey was carried out with SMEs in this industry from five major cities in China. The results reveal that in the relatively developed areas of China, SMEs in the fresh produce supply chain are rapidly adopting the Internet and software packages, but the level of adoption varies greatly and there is a significant lack of integration among the supply chain partners. Chinese SMEs are keen to embrace emerging technologies and have acted to adopt new software and tools. Given that cost of implementation is not a barrier, their concern over legal protection and online security must be addressed for further development.

  9. Study on usage of fluorocarbon for toroidal field coil cooling

    International Nuclear Information System (INIS)

    Miyata, Hiroshi; Arai, Takashi

    1998-09-01

    In JT-60 machine, usage of fluorocarbon as an alternate coolant to a cooling channel of toroidal field coil (TF coil) in which a crack was detected is investigated. Fluorinert (a registered trademark of 3M) liquid which is one of fluorocarbon was reviewed, and liquid 'FC-43' was found as an appropriate one for TF coils cooling because of its physical properties about boiling point and thermal capacity. Fortunately, Fluorinert does not have impact on the greenhouse effect for the earth under the temperature of its boiling point. And thermal analysis shows that the cooling effectiveness obtained with liquid 'FC-43' for TF coils is rather well. Moreover, corrosion tests were carried out between liquid 'FC-43' and materials used in JT-60 by considering deterioration of TF coils. The test results demonstrate that there is no problem in applying liquid 'FC-43' as a coolant to cooling channel of TF coils. Results obtained above conclude that usage of fluorocarbon is one of the effective means to perform further experiments in JT-60. (author)

  10. Bisphosphonate: Brief Review of Its Development for Usage in Dentistry

    Directory of Open Access Journals (Sweden)

    Tita Ratya Utari

    2013-05-01

    Full Text Available Bisphosphonate (BP is a class of drug that prevent the loss of bone mass. It inhibits the resorption of bone by encouraging osteoclast to undergo apoptosis. Considering that oral diseases and dental procedures may lead to teeth instability whereas alveolar bone is the main tooth supporting tissue, forceful indication of this drug is for preventing and minimizing bone resorption following oral surgery and relapse movement in orthodontic treatment. Clinical use of BP in dentistry is limited by risk of osteonecrosis of the jaw (ONJ and of its systemic effects such as an increase of the bone mineral density in another bone area. Topical application with local effect would seem the choice of administration route for usage in dentistry. Until recently, no clinical usage of topical BP has been studied, however some experimental laboratory studies proved that this drug would be beneficial in a wide scope of dental treatments.DOI: 10.14693/jdi.v18i1.154

  11. Towards a Residential Air-Conditioner Usage Model for Australia

    Directory of Open Access Journals (Sweden)

    Mark Goldsworthy

    2017-08-01

    Full Text Available Realistic models of occupant behaviour in relation to air-conditioner (a/c use are fundamentally important for developing accurate building energy simulation tools. In Australia and elsewhere, such simulation tools are inextricably bound both in legislation and in the design of new technology, electricity infrastructure and regulatory schemes. An increasing number of studies in the literature confirm just how important occupants are in determining overall energy consumption, but obtaining the data on which to build behaviour models is a non-trivial task. Here data is presented on air-conditioner usage derived from three different types of case study analyses. These are: (i use of aggregate energy consumption data coupled with weather, demographic and building statistics across Australia to estimate key predictors of energy use at the aggregate level; (ii use of survey data to determine characteristic a/c switch on/off behaviours and usage frequencies; and (iii use of detailed household level sub-circuit monitoring from 140 households to determine a/c switch on/off probabilities and their dependence on different building and occupant parameters. These case studies are used to assess the difficulties associated with translation of different forms of individual, aggregate and survey based information into a/c behaviour simulation models. Finally a method of linking the data gathering methodologies with the model development is suggested. This method would combine whole-of-house “smart”-meter data measurements with linked targeted occupant surveying.

  12. Compliance evaluation of removable space maintainer or space regainer usage

    Directory of Open Access Journals (Sweden)

    Revanti Ramadhani

    2018-01-01

    Full Text Available Premature loss could cause a problem with the tooth arrangement or the dental arch size. A space left by the primary tooth loss could cause migration of the adjacent teeth. As a result, space will be narrowed and undermined the eruption of the permanent teeth. The success of the space maintainer or space regainer usage due to the premature loss marked by space for the replacement of the permanent teeth. The purpose of this research was to evaluate the compliance of children in wearing a space maintainer or space regainer after insertion at Pedodontics Installation of Faculty of Dentistry Universitas Padjadjaran Dental Hospital, Bandung, Indonesia. The research method was descriptive survey technique. The sample consisted of 30 patients selected using the total sampling technique. Data were obtained with a questionnaire and statistically analyzed. The results showed that majority of the children uses the removable space maintainer or the space regainer daily was only about 23,3% overall. Most of the children only use the removable space maintainer or the space regainer for sometimes. The research concluded that the low rate of pedodontic patients compliance at Pedodontics Installation of Faculty of Dentistry Universitas Padjadjaran Dental Hospital in the usage of the removable space maintainer or the space regainer was usually caused by pain or discomfort. This fact was evidence of a low awareness of parents in preventing malocclusion to their children.

  13. Social Networking Sites (SNSs- Shifting Paradigm of English Language Usage

    Directory of Open Access Journals (Sweden)

    Hetal K. Kachhia

    2014-06-01

    Full Text Available English is the globally accepted language in various nations and professions in different varieties, but the English that has acquired a wider spectrum than all these Englishes is the English used in Social Networking Sites which has changed the scenario of English language usage due to the ease in its accessibility and the kind of flexibility of language usage. The English used in Social Networking Sites like Facebook and Twitter has changed the linguistic behaviour of the people by producing a number of acronyms like BFF, FB etc, creating new verb forms like ‘to tweet’ or nouns like ‘tweeple’ or producing many compound nouns such as ‘netiquette’, changing the meaning of traditional verbs and nouns by introducing new meanings to them, e.g. the word ‘friend’ is used to refer “someone to an online list of acquaintances”, and by making use of prefixes like ‘un’ for the purpose of conveying the meaning of negation as in ‘unlike a comment/update’ by ignoring its original prefix ‘dis’ for referring the antonym of ‘like’. By emphasizing on the aim of communication, grammar and vocabulary are put on the peripheral value in Social Networking Sites. Therefore, the focal point of this paper is to study the changes in the linguistic behaviour of the people caused by the SNSs.

  14. Projecting the Mental Model of Social Networking Site Usage

    Directory of Open Access Journals (Sweden)

    Chun-Hui Wu

    2018-01-01

    Full Text Available The growth of online social networking sites (SNS has created a new world of connection and communication for online users. SNS usage has become an important part of people’s daily lives. This study aims to obtain new insights towards SNS usage behaviour. Based on participants’ mental models, it is hoped to make more clear exposition about their perceptions and experiences as well as to explore what factors affect their behaviour for using social networking sites. A blend of qualitative methodologies was adopted for data collection and analysis, including the Zaltman metaphor elicitation technique (ZMET method, the laddering technique, and the means-end chain theory. The results of this study show that the most important values of using SNS include its convenience, maintaining relationship, gaining relaxation, as well as reaching coherence. Additionally, participants pointed out they cared about their online privacy issues very much and had found some potential dangers; however, they continued to use these sites because of the great benefits and enjoyment.

  15. Understanding the usage of the Helioviewer Project clients and services

    Science.gov (United States)

    Ireland, J.; Zahniy, S.; Mueller, D.; Nicula, B.; Verstringe, F.; Bourgoignie, B.; Buchlin, E.; Alingery, P.

    2017-12-01

    The Helioviewer Project enables visual exploration of the Sun and the inner heliosphere for everyone, everywhere via intuitive interfaces and novel technology. The project mainly develops two clients, helioviewer.org and JHelioviewer, and the server-side capabilities accessed via those clients. Images from many different ground and space-based sources are currently available from multiple servers. Solar and heliospheric feature and event information, magnetic field extrapolations and important time-series can also be browsed and visualized using Helioviewer Project clients. Users of the Helioviewer Project have made over two million movies and many millions of screenshots since detailed (and anonymous) logging of Helioviewer Project usage was implemented in February 2011. These usage logs are analyzed to give a detailed breakdown on user interaction with solar and heliospheric data via Helioviewer Project clients and services. We present summary statistics on how our users are using our clients and services, which data they are interested in, and how they choose to interact with different data sources. At the poster presentation we will also be soliciting ideas from the community to improve our clients and services.

  16. On Global Electricity Usage of Communication Technology: Trends to 2030

    Directory of Open Access Journals (Sweden)

    Anders S. G. Andrae

    2015-04-01

    Full Text Available This work presents an estimation of the global electricity usage that can be ascribed to Communication Technology (CT between 2010 and 2030. The scope is three scenarios for use and production of consumer devices, communication networks and data centers. Three different scenarios, best, expected, and worst, are set up, which include annual numbers of sold devices, data traffic and electricity intensities/efficiencies. The most significant trend, regardless of scenario, is that the proportion of use-stage electricity by consumer devices will decrease and will be transferred to the networks and data centers. Still, it seems like wireless access networks will not be the main driver for electricity use. The analysis shows that for the worst-case scenario, CT could use as much as 51% of global electricity in 2030. This will happen if not enough improvement in electricity efficiency of wireless access networks and fixed access networks/data centers is possible. However, until 2030, globally-generated renewable electricity is likely to exceed the electricity demand of all networks and data centers. Nevertheless, the present investigation suggests, for the worst-case scenario, that CT electricity usage could contribute up to 23% of the globally released greenhouse gas emissions in 2030.

  17. Commercial and Multifamily Building Tenant Energy Usage Aggregation and Privacy

    Energy Technology Data Exchange (ETDEWEB)

    Livingston, Olga V.; Pulsipher, Trenton C.; Wang, Na

    2014-11-17

    In a number of cities and states, building owners are required to disclose and/or benchmark their building energy use. This requires the building owner to possess monthly whole-building energy usage information, which can be challenging for buildings in which individual tenants have their own utility meters and accounts with the utility. Some utilities and utility regulators have turned to aggregation of customer data as a way to give building owners the whole-building energy usage data while protecting customer privacy. However, no utilities or regulators appear to have conducted a concerted statistical, cybersecurity, and privacy analysis to justify the level of aggregation selected. Therefore, the Tennant Data Aggregation Task was established to help utilities address these issues and provide recommendations as well as a theoretical justification of the aggregation threshold. This study is focused on the use case of submitting data for ENERGY STAR Portfolio Manager (ESPM), but it also looks at other potential use cases for monthly energy consumption data.

  18. Influence of calcium acetate on rye bread volume

    Directory of Open Access Journals (Sweden)

    Katharina FUCKERER

    2016-01-01

    Full Text Available Abstract The positive accepted savoury taste of rye bread is dependent on acetate concentration in the dough of such breads. In order to study how calcium acetate influences rye bread properties, the pH of rye doughs fortified with calcium acetate and the resulting volume of the breads were measured. Furthermore, CO2 formation of yeast with added calcium acetate and yeast with different pH levels (4, 7, 9 were measured. Thereby, it was determined that the addition of calcium acetate increased the pH of dough from 4.42 to 5.29 and significantly reduced the volume of the breads from 1235.19 mL to 885.52 mL. It could be proven that bread volume was affected by a 30.9% lower CO2 amount production of yeast, although bread volume was not affected by changing pH levels. Due to reduced bread volume, high concentrations of calcium acetate additions are not recommended for improving rye bread taste.

  19. National Childcare Consumer Study: 1975. Volume III: American Consumer Attitudes and Opinions on Child Care.

    Science.gov (United States)

    Rodes, Thomas W.

    This report represents the third of a series of analyses of child care usages based on 4609 personal interviews conducted in 1975 from a national probability sample of households with children under 14 years of age. The study was sponsored by the office of Child Development of the U.S. Department of Health, Education and Welfare. This volume is…

  20. Analysis and forecast of electrical distribution system materials. Final report. Volume III. Appendix

    Energy Technology Data Exchange (ETDEWEB)

    Love, C G

    1976-08-23

    These appendixes are referenced in Volume II of this report. They contain the detailed electrical distribution equipment requirements and input material requirements forecasts. Forecasts are given for three electric energy usage scenarios. Also included are data on worldwide reserves and demand for 30 raw materials required for the manufacture of electrical distribution equipment.

  1. TEG-Directed Transfusion in Complex Cardiac Surgery: Impact on Blood Product Usage.

    Science.gov (United States)

    Fleming, Kevin; Redfern, Roberta E; March, Rebekah L; Bobulski, Nathan; Kuehne, Michael; Chen, John T; Moront, Michael

    2017-12-01

    Complex cardiac procedures often require blood transfusion because of surgical bleeding or coagulopathy. Thrombelastography (TEG) was introduced in our institution to direct transfusion management in cardiothoracic surgery. The goal of this study was to quantify the effect of TEG on transfusion rates peri- and postoperatively. All patients who underwent complex cardiac surgery, defined as open multiple valve repair/replacement, coronary artery bypass grafting with open valve repair/replacement, or aortic root/arch repair before and after implementation of TEG were identified and retrospectively analyzed. Minimally invasive cases were excluded. Patient characteristics and blood use were compared with t test and chi-square test. A generalized linear model including patient characteristics, preoperative and postoperative lab values, and autotransfusion volume was used to determine the impact of TEG on perioperative, postoperative, and total blood use. In total, 681 patients were identified, 370 in the pre-TEG period and 311 patients post-TEG. Patient demographics were not significantly different between periods. Mean units of red blood cells, plasma, and cryoprecipitate were significantly reduced after TEG was implemented (all, p platelets was reduced but did not reach significance. Mean units of all blood products in the perioperative period and over the entire stay were reduced by approximately 40% (both, p < .0001). Total proportion of patients exposed to transfusion was significantly lower after introduction of TEG ( p < .01). Controlling for related factors on multivariate analysis, such as preoperative laboratory values and autotransfusion volume, use of TEG was associated with significant reduction in perioperative and overall blood product transfusion. TEG-directed management of blood product administration during complex cardiac surgeries significantly reduced the units of blood products received perioperatively but not blood usage more than 24 hours after

  2. Usage of Crushed Concrete Fines in Decorative Concrete

    Science.gov (United States)

    Pilipenko, Anton; Bazhenova, Sofia

    2017-10-01

    The article is devoted to the questions of usage of crushed concrete fines from concrete scrap for the production of high-quality decorative composite materials based on mixed binder. The main problem in the application of crushed concrete in the manufacture of decorative concrete products is extremely low decorative properties of crushed concrete fines itself, as well as concrete products based on them. However, crushed concrete fines could have a positive impact on the structure of the concrete matrix and could improve the environmental and economic characteristics of the concrete products. Dust fraction of crushed concrete fines contains non-hydrated cement grains, which can be opened in screening process due to the low strength of the contact zone between the hydrated and non-hydrated cement. In addition, the screening process could increase activity of the crushed concrete fines, so it can be used as a fine aggregate and filler for concrete mixes. Previous studies have shown that the effect of the usage of the crushed concrete fines is small and does not allow to obtain concrete products with high strength. However, it is possible to improve the efficiency of the crushed concrete fines as a filler due to the complex of measures prior to mixing. Such measures may include a preliminary mechanochemical activation of the binder (cement binder, iron oxide pigment, silica fume and crushed concrete fines), as well as the usage of polycarboxylate superplasticizers. The development of specific surface area of activated crushed concrete fines ensures strong adhesion between grains of binder and filler during the formation of cement stone matrix. The particle size distribution of the crushed concrete fines could achieve the densest structure of cement stone matrix and improve its resistance to environmental effects. The authors examined the mechanisms of structure of concrete products with crushed concrete fines as a filler. The results of studies of the properties of

  3. Ethnobotanical survey of usage of fresh medicinal plants in Singapore.

    Science.gov (United States)

    Siew, Yin-Yin; Zareisedehizadeh, Sogand; Seetoh, Wei-Guang; Neo, Soek-Ying; Tan, Chay-Hoon; Koh, Hwee-Ling

    2014-09-29

    The use of medicinal plants in human health has been documented since ancient times and they provide a useful source of new therapeutics. In Singapore, despite the accessibility to modern healthcare, there still exist pockets of the population who choose to use locally grown fresh medicinal plants for health promotion and even therapeutic purposes. However to date, there is no published report of first-hand account of their usage in Singapore. As land is scarce and rapidly used for re-development, such important knowledge may be lost if not properly documented in time. This work safeguards the local folk knowledge, and provides information on common and scarcely reported fresh medicinal plants. The objective of this study is to gather information regarding the usage of fresh medicinal plants in Singapore through face-to-face interviews. Information on demographic data and plant-use methods were collated via face-to-face interviews of 200 fresh medicinal plant users who have used fresh medicinal plants in the last five years. The survey protocol was approved by the National University of Singapore Institutional Review Board and informed consent was obtained from every participant. A total of 414 plants represented by 104 plant species from 44 families were reportedly used by the 200 participants. The five most commonly used plants were Clinacanthus nutans (34 users), Strobilanthes crispus (31 users), Pereskia bleo (25 users), Aloe vera (18 users) and Zingiber officinale (16 users). Leaves were the most commonly used plant part while preparing a decoction was the most common method of preparation. The majority of interviewees used plants for general health purposes and to treat diseases related to the respiratory system and cancer. Our survey has successfully documented the rich wealth of traditional usage and knowledge on 414 fresh medicinal plants grown in Singapore through face-to-face interviews with 200 users. This study will serve as a useful resource for

  4. Novel method to leukoreduce murine blood for transfusion: how to reduce animal usage.

    Science.gov (United States)

    Fischer, Dania; Büssow, Julian; Meybohm, Patrick; Zacharowski, Kai; Jennewein, Carla

    2016-01-01

    Basic research on the pathomechanisms of transfusion-related adverse events depends on murine transfusion models, in which leukoreduction (LR) is a prevalent standard. The commonly used neonatal LR filter (LRF) is associated with considerable animal numbers. A more efficient method would help support the guiding principles of "replacement, reduction, refinement" (3Rs). Blood from C57BL/6 and C57BL/6-Tg(UBC-GFP)30Scha/J mice was leukoreduced using (1) a neonatal LRF, (2) a syringe LRF, or (3) CD45 microbeads. Product quality was assessed according to US Food and Drug Administration (FDA) standards. White blood cell numbers were analyzed by flow cytometry; hemoglobin concentrations and hematocrit were measured and in vivo posttransfusion recoveries were determined after 2 weeks of storage. Using the neonatal filter, a LR of 99.56% was achieved with wastage of 12.4 mL in comparison to 99.68% and 1-mL hold-up volume with the syringe filter and 99.11 ± 0.24% LR and 0.1-mL wastage using microbeads. All techniques achieved FDA quality standards, apart from posttransfusion recovery rate, which was only reached by the microbeads-based technique. LR with CD45 microbeads not only reduces animal usage but also provides a more efficacious method regarding posttransfusion red blood cell recovery and, hence, provides a promising alternative to commonly used methods. © 2015 AABB.

  5. An Application for Data Preprocessing and Models Extractions in Web Usage Mining

    Directory of Open Access Journals (Sweden)

    Claudia Elena DINUCA

    2011-11-01

    Full Text Available Web servers worldwide generate a vast amount of information on web users’ browsing activities. Several researchers have studied these so-called clickstream or web access log data to better understand and characterize web users. The goal of this application is to analyze user behaviour by mining enriched web access log data. With the continued growth and proliferation of e-commerce, Web services, and Web-based information systems, the volumes of click stream and user data collected by Web-based organizations in their daily operations has reached astronomical proportions. This information can be exploited in various ways, such as enhancing the effectiveness of websites or developing directed web marketing campaigns. The discovered patterns are usually represented as collections of pages, objects, or re-sources that are frequently accessed by groups of users with common needs or interests. In this paper we will focus on displaying the way how it was implemented the application for data preprocessing and extracting different data models from web logs data, finding association as a data mining technique to extract potentially useful knowledge from web usage data. We find different data models navigation patterns by analysing the log files of the web-site. I implemented the application in Java using NetBeans IDE. For exemplification, I used the log files data from a commercial web site www.nice-layouts.com.

  6. Usage based indicators to assess the impact of scholarly works: architecture and method

    Science.gov (United States)

    Bollen, Johan [Santa Fe, NM; Van De Sompel, Herbert [Santa Fe, NM

    2012-03-13

    Although recording of usage data is common in scholarly information services, its exploitation for the creation of value-added services remains limited due to concerns regarding, among others, user privacy, data validity, and the lack of accepted standards for the representation, sharing and aggregation of usage data. A technical, standards-based architecture for sharing usage information is presented. In this architecture, OpenURL-compliant linking servers aggregate usage information of a specific user community as it navigates the distributed information environment that it has access to. This usage information is made OAI-PMH harvestable so that usage information exposed by many linking servers can be aggregated to facilitate the creation of value-added services with a reach beyond that of a single community or a single information service.

  7. Reducing Electricity Demand Peaks by Scheduling Home Appliances Usage

    DEFF Research Database (Denmark)

    Rossello Busquet, Ana; Kardaras, Georgios; Iversen, Villy Bæk

    2011-01-01

    Nowadays there is a tendency to consume electricity during the same period of the day leading to demand peaks. Regular energy consumption habits lead to demand peaks at specific temporal intervals, because users consume power at the same time. In order to avoid demand peaks, users’ appliances...... should consume electricity in a more temporarily distributed way. A new methodology to schedule the usage of home appliances is proposed and analyzed in this paper. The main concept behind this approach is the aggregation of home appliances into priority classes and the definition of a maximum power...... consumption limit, which is not allowed to be exceeded during peak hours. The scenario simulated describes a modern household, where the electrical devices are classified in low and high priority groups. The high priority devices are always granted power in order to operate without temporal restrictions...

  8. Security Implications of Typical Grid Computing Usage Scenarios

    International Nuclear Information System (INIS)

    Humphrey, Marty; Thompson, Mary R.

    2001-01-01

    A Computational Grid is a collection of heterogeneous computers and resources spread across multiple administrative domains with the intent of providing users uniform access to these resources. There are many ways to access the resources of a Computational Grid, each with unique security requirements and implications for both the resource user and the resource provider. A comprehensive set of Grid usage scenarios are presented and analyzed with regard to security requirements such as authentication, authorization, integrity, and confidentiality. The main value of these scenarios and the associated security discussions are to provide a library of situations against which an application designer can match, thereby facilitating security-aware application use and development from the initial stages of the application design and invocation. A broader goal of these scenarios are to increase the awareness of security issues in Grid Computing

  9. Usage monitoring of electrical devices in a smart home.

    Science.gov (United States)

    Rahimi, Saba; Chan, Adrian D C; Goubran, Rafik A

    2011-01-01

    Profiling the usage of electrical devices within a smart home can be used as a method for determining an occupant's activities of daily living. A nonintrusive load monitoring system monitors the electrical consumption at a single electrical source (e.g., main electric utility service entry) and the operating schedules of individual devices are determined by disaggregating the composite electrical consumption waveforms. An electrical device's load signature plays a key role in nonintrusive load monitoring systems. A load signature is the unique electrical behaviour of an individual device when it is in operation. This paper proposes a feature-based model, using the real power and reactive power as features for describing the load signatures of individual devices. Experimental results for single device recognition for 7 devices show that the proposed approach can achieve 100% classification accuracy with discriminant analysis using Mahalanobis distances.

  10. Ban on advertising promoting energy usage violates First Amendment

    Energy Technology Data Exchange (ETDEWEB)

    Cohen, J.C.

    1981-01-01

    In reversing the New York Court of Appeals in the Central Hudson Gas suit, the Supreme Court expanded the protection afforded commercial speech. The result could have a major impact on means used to achieve policy objectives of national and state energy conservation. Public utility commissions attempting to limit the growth of energy usage may have to devise stringent economic regulations that directly affect the marketplace and consumer alternatives. This might require an expansion of the statutory powers of public utility commissions. The Court's decision will require public utility commissions to either adopt regulations that restrict the content and format of utility speech or allocate costs to utility shareholders of impermissible advertising. Otherwise, a utility's unbridled ability to speak, given the economic power of such enterprises and their economic interest, could totally undermine the credibility of national and state energy-conservation policy. 12 references.

  11. Insecticide Usage and Chemical Contamination Assessment in Asiatic Pennywort

    Science.gov (United States)

    Bumroongsook, S.

    2017-07-01

    The insecticide usage in commercially grown asiatic pennywort plantations in Nakhonpatum and Nonthaburi province, Thailand was surveyed during January-June, 2016. The results showed that asiatic pennywort cuttworms was leaf destructive and caused the most damge to the production. The growers used organophosphate insecticides to control the caterpillars the most, followed by pyrethoid, abamectin, carbamate and organochlorine, respectively. The chemical contaminants of pennywort from 9 fresh markets in Bangkok was monitored, the result indicated that lead was not detected in the samples. The amount of arsenic was less than 0.075 mg / kg. The insecticide residue measurement of dicofol, chlorpyrifos and methidathion was 0.98, 2.84 and 0.46 mg / kg, respectively.

  12. Pecularities of French Pronoun on Usage in Lithuanian Scientific Discourse

    Directory of Open Access Journals (Sweden)

    Lina Dubikaltytė-Raugalienė

    2015-12-01

    Full Text Available Scientists studying personal identifiers in French scientific discourse incorporate the personal indefinite pronoun “on” into the paradigm. The semantics of the pronoun depends on the genre of scientific discourse. The pronoun “on” can acquire four meanings denoting or including the author. The current paper, based on two databases of native French and Lithuanian authors’ articles, aims at comparing the tendencies of the pronoun “on” usage and its functions in scientific discourse. The analyses has shown that the Lithuanian authors use the personal pronoun almost twice less frequently to mark an author or authors’ denotative or inclusive meaning. In the articles of Lithuanian authors, the pronoun “on” performs fewer pragmatic functions than in scientific discourse of French authors.

  13. Examining student heuristic usage in a hydrogen bonding assessment.

    Science.gov (United States)

    Miller, Kathryn; Kim, Thomas

    2017-09-01

    This study investigates the role of representational competence in student responses to an assessment of hydrogen bonding. The assessment couples the use of a multiple-select item ("Choose all that apply") with an open-ended item to allow for an examination of students' cognitive processes as they relate to the assignment of hydrogen bonding within a structural representation. Response patterns from the multiple-select item implicate heuristic usage as a contributing factor to students' incorrect responses. The use of heuristics is further supported by the students' corresponding responses to the open-ended assessment item. Taken together, these data suggest that poor representational competence may contribute to students' previously observed inability to correctly navigate the concept of hydrogen bonding. © 2017 by The International Union of Biochemistry and Molecular Biology, 45(5):411-416, 2017. © 2017 The International Union of Biochemistry and Molecular Biology.

  14. Security Implications of Typical Grid Computing Usage Scenarios

    Energy Technology Data Exchange (ETDEWEB)

    Humphrey, Marty; Thompson, Mary R.

    2001-06-05

    A Computational Grid is a collection of heterogeneous computers and resources spread across multiple administrative domains with the intent of providing users uniform access to these resources. There are many ways to access the resources of a Computational Grid, each with unique security requirements and implications for both the resource user and the resource provider. A comprehensive set of Grid usage scenarios are presented and analyzed with regard to security requirements such as authentication, authorization, integrity, and confidentiality. The main value of these scenarios and the associated security discussions are to provide a library of situations against which an application designer can match, thereby facilitating security-aware application use and development from the initial stages of the application design and invocation. A broader goal of these scenarios are to increase the awareness of security issues in Grid Computing.

  15. Analysis of alternative fuels for power plant usage

    Energy Technology Data Exchange (ETDEWEB)

    Szucs, I.; Szemmelveisz, K.; Palotas, A.B.; Winkler, L. [University of Miskolc, Miskolc-Egyetembaros (Hungary)

    2008-07-01

    Decision makers and researchers, mainly experts involved in energy production and environmental protection, are now in agreement that substitution of renewable energy sources for some portion of the fossil fuel usage is one of the potential solutions for mitigation of CO{sub 2} emissions. Current firing experience has shown that biomass utilisation in power plants still entails a number of difficulties that need to be addressed. Plant experience shows that one of the most critical parts of biomass firing is the moisture content of the fuel. The purpose of our research was to examine the combustion characteristics of several alterative fuels (wood-chips, energy-grass, sunflower seed shell, help, SRF, coal, DDGS). 11 figs., 2 tabs.

  16. Availability and usage of new antibacterial drugs in Europe.

    Science.gov (United States)

    Ziv, G

    1980-05-15

    The present-day availability and usage of established and new antibacterial drugs approved for clinical and therapeutic purposes in food-producing animals and poultry in the United States and Europe were compared. Presently, 42 such drugs are approved in Europe, 13 of which were approved since Dec 31, 1974. In the United States, 17 such drugs are currently approved, only four were approved since Dec 31, 1974. Most drug products approved in Europe contain two or more antibacterial agents, whereas most of the products approved in the United States are single drug entities. Drugs approved in Europe but not in the United States include sulfonamide and trimethoprim combinations, nafcillin, oxacillin, metampicillin, cephoxazole, cephalonium, cephacetrile, cephalexin, gentamicin, rifamycin SV, nifuroquine, tiamulin, chloramphenicol, colistin, and polymyxin B. Pharmacologic and clinical features of several of these drugs are briefly described.

  17. ABOUT POSSIBILITY OF USAGE METHODOLOGICAL APPROACHES TO BANKRUPTCY PREDICTION

    Directory of Open Access Journals (Sweden)

    Ruslan Valentinovich Druzin

    2013-12-01

    Full Text Available Analysis of the most common foreign methods showed that they were designed to analyze enterprises in the sustainable economic development with low-shadowing of the economy. The most appropriate retrospective analysis results were obtained using Springate model, Lis ratio and Beaver ratio. Domestic methods analysis allows us to conclude that they make it difficult to account criterion of insolvency using a number of factors. Ukrainian researchers, as well as foreigners, use indexes for bankruptcy prediction that are based on convolution values of different insolvency signs. However, we believe that usage of a single indicator as a result doesn’t allow us to make an insolvency diagnosis. The reason is high probability of an erroneous calculation because of the unreliability of the data used. Also, one of domestic methods problems is their orientation to the official statistics that increases the error due to significant domestic shadowing economy.

  18. Consequences of information technology usage on retailer-supplier relations

    DEFF Research Database (Denmark)

    Esbjerg, Lars

    1. Retailers and suppliers increasingly tend to form long-term co-operative relationships. In the literature, the use of information technology is an enabling factor behind this trend. Nevertheless, our understanding of how information technology influences retailer-supplier relationships is still...... limited. The purpose of this paper therefore is to study the consequences of information technology usage on retailer supplier relationships, focusing on inter-organisational systems. 2. The paper begins by discussing the nature of retailer-supplier relations, noting that whereas these relationships have...... traditionally been adversarial, retailers and suppliers are beginning to realise that they can benefit from co-operating. Further, developmental processes in co-operative inter-organisational relations are discussed and the important role of social exchange in inter-organisational relationships is stressed. 3...

  19. Simple MoCap System for Home Usage

    Directory of Open Access Journals (Sweden)

    Martin Magdin

    2017-08-01

    Full Text Available Nowadays many MoCap systems exist. Generating 3D facial animation of characters is currently realized by using the motion capture data (MoCap data, which is obtained by tracking the facial markers from an actor/actress. In general it is a professional solution that is sophisticated and costly. This paper presents a solution with a system that is inexpensive. We propose a new easy-to-use system for home usage, through which we are making character animation. In its implementation we paid attention to the elimination of errors from the previous solutions. In this paper the authors describe the method how motion capture characters on a treadmill and as well as an own Java application that processes the video for its further use in Cinema 4D. This paper describes the implementation of this technology of sensing in a way so that the animated character authentically imitated human movement on a treadmill.

  20. Usage of neural network to predict aluminium oxide layer thickness.

    Science.gov (United States)

    Michal, Peter; Vagaská, Alena; Gombár, Miroslav; Kmec, Ján; Spišák, Emil; Kučerka, Daniel

    2015-01-01

    This paper shows an influence of chemical composition of used electrolyte, such as amount of sulphuric acid in electrolyte, amount of aluminium cations in electrolyte and amount of oxalic acid in electrolyte, and operating parameters of process of anodic oxidation of aluminium such as the temperature of electrolyte, anodizing time, and voltage applied during anodizing process. The paper shows the influence of those parameters on the resulting thickness of aluminium oxide layer. The impact of these variables is shown by using central composite design of experiment for six factors (amount of sulphuric acid, amount of oxalic acid, amount of aluminium cations, electrolyte temperature, anodizing time, and applied voltage) and by usage of the cubic neural unit with Levenberg-Marquardt algorithm during the results evaluation. The paper also deals with current densities of 1 A · dm(-2) and 3 A · dm(-2) for creating aluminium oxide layer.

  1. Usage of Neural Network to Predict Aluminium Oxide Layer Thickness

    Directory of Open Access Journals (Sweden)

    Peter Michal

    2015-01-01

    Full Text Available This paper shows an influence of chemical composition of used electrolyte, such as amount of sulphuric acid in electrolyte, amount of aluminium cations in electrolyte and amount of oxalic acid in electrolyte, and operating parameters of process of anodic oxidation of aluminium such as the temperature of electrolyte, anodizing time, and voltage applied during anodizing process. The paper shows the influence of those parameters on the resulting thickness of aluminium oxide layer. The impact of these variables is shown by using central composite design of experiment for six factors (amount of sulphuric acid, amount of oxalic acid, amount of aluminium cations, electrolyte temperature, anodizing time, and applied voltage and by usage of the cubic neural unit with Levenberg-Marquardt algorithm during the results evaluation. The paper also deals with current densities of 1 A·dm−2 and 3 A·dm−2 for creating aluminium oxide layer.

  2. Meta-model of EPortfolio Usage in Different Environments

    Directory of Open Access Journals (Sweden)

    Igor Balaban

    2011-09-01

    Full Text Available EPortfolio offers a new philosophy of teaching and learning, giving the learner an opportunity to express oneself, to show one’s past work and experience to all the interested parties ranging from teachers to potential employers. However, an integral model for ePortfolio implementation in academic institutions that would take into account three different levels of stakeholders: 1. Individual (student and teacher; 2. Institution; and 3. Employer, currently does not exist. In this paper the role of ePortfolio in academic environment as well as the context in which ePortfolio operates is analyzed in detail. As a result of the comprehensive analysis that takes into account individual, academic institution and employer, a meta-model of ePortfolio usage in Lifelong Learning is proposed.

  3. The impact of CO2-costs on biogas usage

    DEFF Research Database (Denmark)

    Jensen, Ida Græsted; Nielsen, Lise Skovsgaard

    2017-01-01

    The Danish government has set a target of being fossil fuel independent by 2050 implying that a high degree of inflexible renewable energy will be included in the energy system; biogas can add flexibility and potentially has a negative CO2-emission. In this paper, we investigate the socioeconomic...... system costs of reaching a Danish biogas target of 3.8 PJ in the energy system, and how CO2 costs affect the system costs and biogas usage. We perform our analysis using the energy systems model, Balmorel, and expand the model with a common target for raw biogas and upgraded biogas (biomethane). Raw...... biogas can be used directly in heat and power production, while biomethane has the same properties as natural gas. Balmorel is altered such that natural gas and biomethane can be used in the same technologies. Several CO2-cost estimates are investigated; hereunder a high estimate for the expected CO2...

  4. Instant Messaging Usage and Interruptions in the Workplace

    Directory of Open Access Journals (Sweden)

    Hui‐Jung Chang

    2014-12-01

    Full Text Available The goal of the present study is to explore IM interruption by relating it to media choices and purposes of IM use in the workplace. Two major media choice concepts were: media richness and social influence; while four purposes of IM use were: organization work, knowledge work, socializing, and boundary spanning activities. Data (N = 283 were collected via a combination of convenience and snowball sampling of “computer‐using workers” in Taiwan, based on the Standard Occupational Classification system published by the Taiwan government. Results indicated that media choice works better than purpose of IM use to explain IM interruption. Among them, social influence was the best predictor to IM interruption in the workplace. In addition, instant feedback and personalization provided by IM, and IM usage for the purposes of knowledge work and socializing, also relate to IM interruption in the workplace.

  5. Salicylic acid derivatives: synthesis, features and usage as therapeutic tools.

    Science.gov (United States)

    Ekinci, Deniz; Sentürk, Murat; Küfrevioğlu, Ömer İrfan

    2011-12-01

    In the field of medicinal chemistry, there is a growing interest in the use of small molecules. Although acetyl salicylic acid is well known for medical applications, little is known about other salicylic acid derivatives, and there is serious lack of data and information on the effects and biological evaluation that connect them. This review covers the synthesis and drug potencies of salicylic acid derivatives. After a brief overview of the information on salicylic acid and its features, a detailed review of salicylic acids as drugs and prodrugs, usage as cyclooxygenase inhibitors, properties in plants, synthesis and recent patents, is developed. Salicylic acid research is still an important area and innovations continue to arise, which offer hope for new therapeutics in related fields. It is anticipated that this review will guide the direction of long-term drug/nutraceutical safety trials and stimulate ideas for future research.

  6. VHDL Models with Usage of the LFSR_PCKG Package

    Directory of Open Access Journals (Sweden)

    J. Mitrych

    2002-04-01

    Full Text Available LFSRs (Linear Feedback Shift Registers are very often used in theBIST (Built-In Self-Test methodology. Implementation of the LFSRs tothe design or application of digital system, which supports BISTtechniques or which only uses these LFSRs, can be done by VHDLlanguage. This paper presents VHDL models of the devices andsubroutines (e.g. test pattern generators, signature analysers. Modelsare based on LFSR structures with usage of the LFSR_PCKG packagedescribed in the (Kovalsky and Vlcek, 2001, which can be usedin the applications supporting BIST techniques. Devices are describedas behavioural and structural models. These models and descriptions canbe used e.g. in the (Kovalsky, 2001. The LFSR_PCKG was modifiedand new approach is presented. Naturally, there are presented somesynthesis conclusions of the VHDL models and applications in thispaper.

  7. Usage of the Python programming language in the CMS experiment

    International Nuclear Information System (INIS)

    Wilkinson, R; Hegner, B; Jones, C D

    2010-01-01

    Being a highly dynamic language and allowing reliable programming with quick turnarounds, Python is a widely used programming language in CMS. Most of the tools used in workflow management and the GRID interface tools are written in this language. Also most of the tools used in the context of release management: integration builds, release building and deploying, as well as performance measurements are in Python. With an interface to the CMS data formats, rapid prototyping of analyses and debugging is an additional use case. Finally in 2008 the CMS experiment switched to using Python as its configuration language. This paper will give an overview of the general usage of Python in the CMS experiment and discuss which features of the language make it well-suited for the existing use cases.

  8. Usage, structure, and substance in the English ditransitive construction

    DEFF Research Database (Denmark)

    Shibuya, Yoshikata; Jensen, Kim Ebensgaard

    on observation of actual usage-patterns of the construction in naturally occurring discourse. Secondly, Hudson very much treats ditransitives as a functional monolith, assuming functional uniformity and ignoring possible functional variation. Thirdly, his analysis is primarily based on formal structure and pays......-substance-cum-semantic-structure, the scenarios encoded by monotransitives and ditransitives (Rasmussen & Jakobsen 1996: 103-105), the participants associated with T-OBJs and D-OBJs are non-uniform (Goldberg 1995, Croft et al. 2001: 583-586, Hopper and Thompson 1980). Unlike Hudson's (1992) syntactic account, a symbolic account would categorize...... at the level of conceptual content. Hudson (1992: 266-268) observes variation in the functionality of D-OBJs depending on the verb, such that, unlike those occurring with give and deny, D-OBJs occurring with peel take on a more adjunct-like function, but gives the construction the monolithic treatment. We...

  9. Limiting the usage of blood products in cardiovascular surgery.

    Science.gov (United States)

    Horowitz, P E; Lorenzen, C M; Rhydderch, R D

    1991-03-01

    We studied the effect of the initiation of a five part program of blood component conservation on blood product utilization in patients undergoing major cardiovascular surgery. We encouraged physicians and nurses to adhere to a set of guidelines that would limit the exposure of these patients to complications associated with blood product administration. Through this effort the amounts of packed red cells, fresh frozen plasma, platelets, and cryoprecipitate used were markedly reduced. After the start of the conservation program, overall blood product usage was reduced 29% despite a 46% increase in the surgical caseload, and there was a 53% decrease in the amount of donor exposure (units of individual blood products administered) per patient.

  10. Radiologists' Usage of Social Media: Results of the RANSOM Survey.

    Science.gov (United States)

    Ranschaert, Erik R; Van Ooijen, Peter M A; McGinty, Geraldine B; Parizel, Paul M

    2016-08-01

    The growing use of social media is transforming the way health care professionals (HCPs) are communicating. In this changing environment, it could be useful to outline the usage of social media by radiologists in all its facets and on an international level. The main objective of the RANSOM survey was to investigate how radiologists are using social media and what is their attitude towards them. The second goal was to discern differences in tendencies among American and European radiologists. An international survey was launched on SurveyMonkey ( https://www.surveymonkey.com ) asking questions about the platforms they prefer, about the advantages, disadvantages, and risks, and about the main incentives and barriers to use social media. A total of 477 radiologists participated in the survey, of which 277 from Europe and 127 from North America. The results show that 85 % of all survey participants are using social media, mostly for a mixture of private and professional reasons. Facebook is the most popular platform for general purposes, whereas LinkedIn and Twitter are more popular for professional usage. The most important reason for not using social media is an unwillingness to mix private and professional matters. Eighty-two percent of all participants are aware of the educational opportunities offered by social media. The survey results underline the need to increase radiologists' skills in using social media efficiently and safely. There is also a need to create clear guidelines regarding the online and social media presence of radiologists to maximize the potential benefits of engaging with social media.

  11. XMRV: usage of receptors and potential co-receptors

    Directory of Open Access Journals (Sweden)

    Gaddam Durga

    2011-09-01

    Full Text Available Abstract Background XMRV is a gammaretrovirus first identified in prostate tissues of Prostate Cancer (PC patients and later in the blood cells of patients with Chronic Fatigue Syndrome (CFS. Although XMRV is thought to use XPR1 for cell entry, it infects A549 cells that do not express XPR1, suggesting usage of other receptors or co-receptors. Methods To study the usage of different receptors and co- receptors that could play a role in XMRV infection of lymphoid cells and GHOST (GFP- Human osteosarcoma cells expressing CD4 along with different chemokine receptors including CCR1, CCR2, etc., were infected with XMRV. Culture supernatants and cells were tested for XMRV replication using real time quantitative PCR. Results Infection and replication of XMRV was seen in a variety of GHOST cells, LNCaP, DU145, A549 and Caski cell lines. The levels of XMRV replication varied in different cell lines showing differential replication in different cell lines. However, replication in A549 which lacks XPR1 expression was relatively higher than DU145 but lower than, LNCaP. XMRV replication varied in GHOST cell lines expressing CD4 and each of the co- receptors CCR1-CCR8 and bob. There was significant replication of XMRV in CCR3 and Bonzo although it is much lower when compared to DU145, A549 and LNCaP. Conclusion XMRV replication was observed in GHOST cells that express CD4 and each of the chemokine receptors ranging from CCR1- CCR8 and BOB suggesting that infectivity in hematopoietic cells could be mediated by use of these receptors.

  12. Surgical loupe usage among oculoplastic surgeons in North America.

    Science.gov (United States)

    Wei, Chen; Wu, Albert Y

    2018-04-01

    To study the patterns of usage and perception among U.S. oculoplastic surgeons regarding surgical loupes. An anonymous 20-question survey was emailed out to the American Society of Ophthalmic Plastic and Reconstructive Surgery listserv. Data were compiled in Google Forms. SPSS was used for statistical analyses. This study was approved by the institutional review board. Of the 609 members contacted, 239 (39%) completed the survey; 95% of respondents owned loupes and 78% regularly used them. No association was observed between frequency of loupe usage and sex or years in practice. The most common magnification and brand were 2.5× and Designs for Vision, respectively. The most common problems associated with loupes were limited vision (33%) and lack of comfort (24%), with 11% citing neck and cervical spinal disorders. The most common benefits were magnification (93%) and increased visual accuracy (68%). Of the respondents, 56% believed improved patient care to be a benefit and 76% believed that loupes enhance surgical outcome. With regard to training, 67% supported incorporating loupes into residency, 35% believed in mandating loupe purchase, and 25% wanted residencies to provide loupes at no cost. Respondent support for the use of loupes in practice and training was directly correlated with how frequently they used loupes. The vast majority of respondents owned loupes. Although most loupe owners used loupes regularly, a sizable proportion operated with limited vision and lack of comfort. Overall, just over half of respondents believed that loupes improve patient care and should be integrated into residency. Copyright © 2018 Canadian Ophthalmological Society. Published by Elsevier Inc. All rights reserved.

  13. TEACHERS’ PREPARATION TO THE INFORMATION AND COMMUNICATION TECHNOLOGIES USAGE WITHIN POSTGRADUATE PEDAGOGICAL EDUCATION SYSTEM

    OpenAIRE

    Stepan P. Labudko

    2011-01-01

    Nowadays the question about teachers’ preparation to the information and communication technologies usage during the postgraduate period is actual. Some aspects of academic teachers’ preparation to the information and communication technologies usage during the postgraduate period in the teaching and educational activity are examined in the article, as well as some peculiarities of teachers’ preparation to the effective usage of modern tutorials and information and communication technologies ...

  14. Social network usage, shame, guilt and pride among high school students: Model testing

    OpenAIRE

    Doğan, Uğur; Çelik, Eyüp; Karakaş, Yahya

    2016-01-01

    This study was aimed at testing a model which applies structural equation modeling (SEM) to explain social networking sites (SNS) usage. Performing SEM with a sample of 500 high school students (40% male, 60% female), the model examined the relationships among shame, guilt and pride on SNS, such Facebook and Twitter. It was hypothesized that SNS usage was predicted directly by shame and indirectly by pride and guilt. The SEM showed that shame affected SNS usage directly and positively, while ...

  15. Cash usage in the Netherlands: How much, where, when, who and whenever one wants?

    OpenAIRE

    Nicole Jonker; Anneke Kosse; Lola Hernández

    2012-01-01

    Having accurate information on cash usage is essential for monitoring the substitution process of cash by cards and for assessing the cost efficiency of the payment system. Moreover, estimates on cash usage reflect the transaction demand for cash. This is useful for central banks which are responsible for producing and issuing banknotes. The latest estimates of the number and value of cash payments made in the Netherlands date from 2007. How has cash usage developed since then? In what branch...

  16. A Study of Age and Gender seen through Mobile Phone Usage Patterns in Mexico

    OpenAIRE

    Sarraute, Carlos; Blanc, Pablo; Burroni, Javier

    2015-01-01

    Mobile phone usage provides a wealth of information, which can be used to better understand the demographic structure of a population. In this paper we focus on the population of Mexican mobile phone users. Our first contribution is an observational study of mobile phone usage according to gender and age groups. We were able to detect significant differences in phone usage among different subgroups of the population. Our second contribution is to provide a novel methodology to predict demogra...

  17. Evaluation of dentist-patient relationship toward the treatment of oral diseases after the usage of internet

    Directory of Open Access Journals (Sweden)

    Sourav Sen

    2016-01-01

    Full Text Available Introduction: Among all innovative technologies, net is one among the recent and also the most innovative media by that one will keep connected with the remainder of the planet. This facility provides huge volume of oral health consciousness at the side of oral health info to net users who eventually have an effect on the dentist–patient relationship. Aim: The aim of this study is to evaluate the attitude of patients and dentists for the treatment of oral diseases after the use of internet by the patient. Materials and Methods: In a cross-sectional study, data were collected from 153 dentists and 449 patients. The data from the dentists were collected from hospitals and private practices. Data from the patients were collected in urban area. The questions asked to dentists and patients were such that each respective question in both the questionnaires gave the same conclusion. Results: Dentists (56.2% agreed changes in patients thinking after the usage of internet. Within 21–40 years, 40.4% of dentists agreed that internet represents a threat to dentist–patient relationship. Conclusion: The usage of internet by the patients had brought about changes in patients thinking and the dentists had modified or guided patients in the use of oral health information obtained from the internet.

  18. Studies on the distribution, sale, handling and usage of agrochemicals in Ashanti, Brong Ahafo and Eastern regions of Ghana

    International Nuclear Information System (INIS)

    Osafo-Acquaah, S.; Frimpong, E.

    1997-01-01

    Studies were carried on the distribution, sale, handling and usage and agrochemicals in 19 major towns located in three regions noted for their intensive agricultural activities and covering 500,000 hectares of land area in Ghana. The most prevalent of the agrochemicals were insecticides (52%) followed by herbicides (28%) and fungicides (16%). Of these the organophosphates constituted 24% and the organochlorines 6% in terms of the total numbers of pesticides sold, though lindane and endosulfan were among the insecticides most frequently used by farmers. The fungicide, copper oxychloride as ''Kocide'', and the insecticide, λ cyhalothrin as ''Karate'', with 39% and 22% respectively of the sales by volume, were found to be the most widely used agrochemicals. Most of the merchants of agrochemicals and the farmers had only primary school education and had very little knowledge on the handling and safety aspects of the use of agrochemicals. The Extension Service to the farmers was inadequate and the farmers depended largely on the agrochemicals merchants for information on pesticide usage. (author). 9 tabs

  19. Mean nuclear volume

    DEFF Research Database (Denmark)

    Mogensen, O.; Sørensen, Flemming Brandt; Bichel, P.

    1999-01-01

    We evaluated the following nine parameters with respect to their prognostic value in females with endometrial cancer: four stereologic parameters [mean nuclear volume (MNV), nuclear volume fraction, nuclear index and mitotic index], the immunohistochemical expression of cancer antigen (CA125...

  20. Blood volume studies

    International Nuclear Information System (INIS)

    Lewis, S.M.; Yin, J.A.L.

    1986-01-01

    The use of dilution analysis with such radioisotopes as 51 Cr, 32 P, sup(99m)Tc and sup(113m)In for measuring red cell volume is reviewed briefly. The use of 125 I and 131 I for plasma volume studies is also considered and the subsequent determination of total blood volume discussed, together with the role of the splenic red cell volume. Substantial bibliography. (UK)

  1. USAGE OF UNMANNED AERIAL VEHICLES IN GENERAL AVIATION: CURRENT SITUATION AND PROSPECTS

    Directory of Open Access Journals (Sweden)

    2016-01-01

    Full Text Available The article aims at analyzing the current and future trends in usage of Unmanned Aerial Vehicles (UAV in gen- eral aviation (branches of economy. The main goal of the analysis is to determine the branches of economy, in which the usage of UAVs would be the most beneficial in the near- to mid-term future. The main requirements and restrictions of usage of the aircraft in general aviation were used as a basis for determining the types of operations, in which the usage of UAVs will be the most rational and effective. The effectiveness evaluation was based on the developed method, involving evaluation of the following factors such as: advantages of usage of manned aircraft, advantages of usage of unmanned air- craft, problems associated with the usage of manned aircraft, problems associated with the usage of unmanned aircraft. After evaluation of the mentioned aspects above the safety, operational productivity and ecological indicators were evaluat- ed. These qualitative assessments allowed identifying the branches of economy, where the usage of UAVs could potentially be the most advantageous. The article also discusses the possible strategies of UAVs development for general aviation. The so-called “mixed” strategy of UAV development is identified as the best in the current situation. This strategy combines the conversion of the existing military UAVs with the purpose of fitting them in to civilian use with the parallel development of brand new UAVs, which would be designed for operation in branches of economy right from the beginning (from scratch.

  2. Updating ARI Educational Benefits Usage Data Bases for Army Regular, Reserve, and Guard: 2005 - 2006

    National Research Council Canada - National Science Library

    Young, Winnie

    2007-01-01

    .... For the Regular component, the report includes tabulations of program participation and benefit usage, type of educational program entered, and time between separation and start of education benefits...

  3. Evaluation of usage and fuel savings of solar ovens in Nicaragua

    International Nuclear Information System (INIS)

    Bauer, Gordon

    2016-01-01

    Solar cooking technology has been promoted as a solution to both global poverty and environmental degradation, but relatively little research exists on the impact of solar oven usage on biomass fuel consumption. This study evaluates solar oven usage and wood consumption in northern Nicaragua during both the rainy and dry seasons, using surveys, temperature dataloggers, and direct measurements of fuelwood use. Solar oven owners reported usage on 79% of days during the dry season, and 41% of days during the rainy season. Comparison with oven temperature records confirmed usage on 50% of days during the dry season, and 16% of days during the rainy season. However, wood consumption measurements showed no statistically significant difference between days with solar oven usage and days without, suggesting that frequency of usage alone is not an appropriate proxy for fuel savings. Survey results suggest that a large part of solar oven usage came in addition to biomass cooking, as opposed to replacing it. These results suggest a need for further study of wood consumption in situ and more focus on the specific kinds of foods prepared in solar cookers, as well as local cultural and climatic conditions. - Highlights: • Solar oven usage reported on most days during dry season. • No statistically significant fuelwood savings can be attributed to solar oven use. • Usage reported on surveys differs substantially from solar oven temperature data. • Possible causes of lack of wood savings range from weather to diet and gender norms.

  4. How do household characteristics affect appliance usage? Application of conditional demand analysis to Japanese household data

    International Nuclear Information System (INIS)

    Matsumoto, Shigeru

    2016-01-01

    Although both appliance ownership and usage patterns determine residential electricity consumption, it is less known how households actually use their appliances. In this study, we conduct conditional demand analyses to break down total household electricity consumption into a set of demand functions for electricity usage, across 12 appliance categories. We then examine how the socioeconomic characteristics of the households explain their appliance usage. Analysis of micro-level data from the Nation Survey of Family and Expenditure in Japan reveals that the family and income structure of households affect appliance usage. Specifically, we find that the presence of teenagers increases both air conditioner and dishwasher use, labor income and nonlabor income affect microwave usage in different ways, air conditioner usage decreases as the wife's income increases, and microwave usage decreases as the husband's income increases. Furthermore, we find that households use more electricity with new personal computers than old ones; this implies that the replacement of old personal computers increases electricity consumption. - Highlights: •We conduct conditional demand analyses to study household appliance usage. •Micro-level data from the National Survey of Family and Expenditure in Japan are analyzed. •We show how household characteristics determine appliance usage. •High-income households use specific appliances less intensively than low-income households. •The replacement of old TVs and PCs lead to greater electricity consumption.

  5. Energy potential and alternative usages of biogas and sludge from UASB reactors: case study of the Laboreaux wastewater treatment plant.

    Science.gov (United States)

    Rosa, A P; Conesa, J A; Fullana, A; Melo, G C B; Borges, J M; Chernicharo, C A L

    2016-01-01

    This work assessed the energy potential and alternative usages of biogas and sludge generated in upflow anaerobic sludge blanket reactors at the Laboreaux sewage treatment plant (STP), Brazil. Two scenarios were considered: (i) priority use of biogas for the thermal drying of dehydrated sludge and the use of the excess biogas for electricity generation in an ICE (internal combustion engine); and (ii) priority use of biogas for electricity generation and the use of the heat of the engine exhaust gases for the thermal drying of the sludge. Scenario 1 showed that the electricity generated is able to supply 22.2% of the STP power demand, but the thermal drying process enables a greater reduction or even elimination of the final volume of sludge to be disposed. In Scenario 2, the electricity generated is able to supply 57.6% of the STP power demand; however, the heat in the exhaust gases is not enough to dry the total amount of dehydrated sludge.

  6. Whose name is it anyway? Varying patterns of possessive usage in eponymous neurodegenerative diseases

    Directory of Open Access Journals (Sweden)

    Michael R. MacAskill

    2013-04-01

    Full Text Available There has been long-standing debate over whether use of the possessive form of the names of eponymous neurological disorders should be abandoned. Which view has actually predominated in practice? We empirically assessed current and historical usage in the scientific literature. The PubMed database was queried for the percentage of titles published each year from 1960–2012 which contained the possessive form of Parkinson’s (PD, Alzheimer’s (AD, Huntington’s (HD, Wilson’s (WD, and Gaucher’s (GD diseases (e.g. Huntington’s disease or chorea vs Huntington disease or chorea. Down syndrome (DS, well known for its changes in terminology, was used as a reference. The possessive form was nearly universal in all conditions from 1960 until the early 1970s. In both DS and GD it then declined at an approximately constant rate of 2 percentage points per year to drop below 15%. The possessive forms of both PD and AD began to decline at the same time but stabilised and have since remained above 80%, with a similar but more volatile pattern in HD. WD, meanwhile, is intermediate between the DS/GD and PD/AD/HD patterns, with a slower decline to its current value of approximately 60%. Declining possessive form usage in GD and DS papers has been remarkably uniform over time and has nearly reached completion. PD and AD appear stable in remaining predominantly possessive. The larger volume of papers published in those fields and their possibly greater public recognition and involvement may make that unlikely to change in the short-term. In a secondary analysis restricted to PD, we found that practices have switched dramatically several times in each of three US-published general neurology journals. Meanwhile, in two UK-published journals, and in the specialist title “Movement Disorders”, the possessive form has been maintained consistently. The use of eponyms in neurology shows systematic variation across time, disorders, and journals.

  7. ASSESSMENT OF THE ECONOMIC AND ENVIRONMENTAL SUITABILITY OF THE JIU-CORABIA ENCLOSURE FOR LAKE USAGE USING GIS TECHNIQUES

    Directory of Open Access Journals (Sweden)

    Denisa Mariana DAN

    2016-08-01

    Full Text Available One of the three strategic objectives of the Europe 2020 Agenda is to ensure the sustainable management of the natural resources and to fight against climate changes. Considering water to be not only a valuable natural resource for any type of landscape, but also the vital environmental component that ensured a minimum of productivity for the people working the unproductive salinization and gleyzation affected soils in the Jiu-Corabia enclosure, using embankment dams to breake the link between the Danube and the flood organism it created over a timespan of millenia has proven in the last 50 years to be an economic and ecological failure. Since the December 1989 events in Romania, after most of the socialist institutions have proven to be too resource consuming, thus unprofitable or maladaptive, the Jiu-Corabia locals have individually experimented with various land cultivation patterns, all of them based on draught-resistant crops, such as peanuts. In spite of it being the original natural landuse, lake usage has only been scarcely mentioned as a project after the 2006 flood, but after being institutionally rejected, its benefits in terms of ecological restoration, financial productivity have not been further looked into. The current article aims to identify different height level scenarios of lake usage in the Jiu-Corabia enclosure, using GIS technique. Lake volumes are calculated for each scenario with the aim of assessing the volume of water this enclose can absorb during flooding periods, as well as of estimating fish production for when the waters are low and it is not needed as a controlled flood chamber. Other benefits, such as providing a source of humidity for precipitations which will aid the crops nearby, have not been monetized, but contribute to the regional development efforts.

  8. Health insurance, neighborhood income, and emergency department usage by Utah children 1996–1998

    Directory of Open Access Journals (Sweden)

    Knight Stacey

    2005-04-01

    Full Text Available Abstract Background It is estimated that approximately half of emergency department (ED usage in the U.S. and other developed countries is for non-urgent conditions and that this usage is related to availability, social, and economic factors. We examined pediatric ED usage in a U.S. state with respect to income, health insurance status, types of medical conditions, and whether introduction of managed care affected utilization by Medicaid children. Methods Emergency department usage rates were calculated from 1996 through 1998 using Utah ED data for children with commercial health insurance, Medicaid, for uninsured children, and by income group estimating neighborhood household income from Zip code of residence. We analyzed usage following the July 1996 transition of Utah Medicaid to managed care. Results Children with Medicaid had approximately 50% greater ED utilization rates than children with commercial health insurance or uninsured children. The majority of usage for Medicaid and uninsured children was for non-traumatic conditions. Only 35% of total ED usage was for non-emergent or non-urgent conditions and this was related to both Medicaid and low household income. Children lacking health insurance were more likely to be discharged against medical advice (OR = 2.36, 95% C.I. 1.88–2.96. There was no reduction in Medicaid ED usage following the transition to managed care. Conclusion Usage of ED services is related to both health insurance status and income. Children lacking health insurance and Medicaid children have excessive usage for conditions which could be treated in a primary care setting. That managed care does not reduce Medicaid ED usage is consistent with findings of other studies.

  9. Characterizing the Development and Usage of Diagrams in Embedded Software Systems

    NARCIS (Netherlands)

    Akdur, Deniz; Demirörs, Onur; Garousi, V.

    2017-01-01

    To cope with growing complexity of embedded software, modeling has become popular. The usage of models in embedded software industry and the relevant practices usually vary since the purposes of diagram development and usage differ. Since a large variety of software modeling practices used in

  10. The Media and Technology Usage and Attitudes Scale: An empirical investigation

    Science.gov (United States)

    Rosen, L.D.; Whaling, K.; Carrier, L.M.; Cheever, N.A.; Rokkum, J.

    2015-01-01

    Current approaches to measuring people’s everyday usage of technology-based media and other computer-related activities have proved to be problematic as they use varied outcome measures, fail to measure behavior in a broad range of technology-related domains and do not take into account recently developed types of technology including smartphones. In the present study, a wide variety of items, covering a range of up-to-date technology and media usage behaviors. Sixty-six items concerning technology and media usage, along with 18 additional items assessing attitudes toward technology, were administered to two independent samples of individuals, comprising 942 participants. Factor analyses were used to create 11 usage subscales representing smartphone usage, general social media usage, Internet searching, e-mailing, media sharing, text messaging, video gaming, online friendships, Facebook friendships, phone calling, and watching television in addition to four attitude-based subscales: positive attitudes, negative attitudes, technological anxiety/dependence, and attitudes toward task-switching. All subscales showed strong reliabilities and relationships between the subscales and pre-existing measures of daily media usage and Internet addiction were as predicted. Given the reliability and validity results, the new Media and Technology Usage and Attitudes Scale was suggested as a method of measuring media and technology involvement across a variety of types of research studies either as a single 60-item scale or any subset of the 15 subscales. PMID:25722534

  11. Effect of an evidence-based website on healthcare usage: an interrupted time-series study.

    NARCIS (Netherlands)

    Spoelman, W.A.; Bonten, T.N.; Waal, M.W.M. de; Drenthen, T.; Smeele, I.J.M.; Nielen, M.M.; Chavannes, N.

    2016-01-01

    Objectives: Healthcare costs and usage are rising. Evidence-based online health information may reduce healthcare usage, but the evidence is scarce. The objective of this study was to determine whether the release of a nationwide evidence-based health website was associated with a reduction in

  12. The Media and Technology Usage and Attitudes Scale: An empirical investigation.

    Science.gov (United States)

    Rosen, L D; Whaling, K; Carrier, L M; Cheever, N A; Rokkum, J

    2013-11-01

    Current approaches to measuring people's everyday usage of technology-based media and other computer-related activities have proved to be problematic as they use varied outcome measures, fail to measure behavior in a broad range of technology-related domains and do not take into account recently developed types of technology including smartphones. In the present study, a wide variety of items, covering a range of up-to-date technology and media usage behaviors. Sixty-six items concerning technology and media usage, along with 18 additional items assessing attitudes toward technology, were administered to two independent samples of individuals, comprising 942 participants. Factor analyses were used to create 11 usage subscales representing smartphone usage, general social media usage, Internet searching, e-mailing, media sharing, text messaging, video gaming, online friendships, Facebook friendships, phone calling, and watching television in addition to four attitude-based subscales: positive attitudes, negative attitudes, technological anxiety/dependence, and attitudes toward task-switching. All subscales showed strong reliabilities and relationships between the subscales and pre-existing measures of daily media usage and Internet addiction were as predicted. Given the reliability and validity results, the new Media and Technology Usage and Attitudes Scale was suggested as a method of measuring media and technology involvement across a variety of types of research studies either as a single 60-item scale or any subset of the 15 subscales.

  13. An X-Ray of the Level of Electronic Purse Usage in Nigeria | Ogbuji ...

    African Journals Online (AJOL)

    This study sets out to examine the level of e-purse usage in Nigeria. Despite the invasion of e-purse as electronic banking channels that has the potential of disempowering the cash systems of exchange and granting firms competitive edge, it is interesting to note that the rate of cash usage still dominates in the Nigeria ...

  14. ECONOMIC QUESTIONS OF LAND USAGE – SCARCITY, SUSTAINABILITY

    OpenAIRE

    Magda, Robert

    2012-01-01

    The aim of this paper is to show the economic importance of land usage. This topic is important because land is the basis of industrial and agricultural production, as well as energy and environmental security. The focus of the analysis is the relationship between land usage and scarcity and sustainability.

  15. Student Media Usage Patterns and Non-Traditional Learning in Higher Education

    Science.gov (United States)

    Zawacki-Richter, Olaf; Müskens, Wolfgang; Krause, Ulrike; Alturki, Uthman; Aldraiweesh, Ahmed

    2015-01-01

    A total of 2,338 students at German universities participated in a survey, which investigated media usage patterns of so-called traditional and non-traditional students (Schuetze & Wolter, 2003). The students provided information on the digital devices that they own or have access to, and on their usage of media and e-learning tools and…

  16. School Nutrition Professionals' Usage and Perceptions of USDA Recipes and the Impact of Student Enrollment

    Science.gov (United States)

    Rushing, Keith; Johnson, J. T.

    2015-01-01

    Purpose/Objectives: The purpose of this study was to explore the frequency of usage of the United States Department of Agriculture (USDA) Recipes for Schools and investigate factors influencing their usage. The relationship between these variables and school district size (student enrollment) was also investigated. Methods: An expert panel…

  17. Investment and Usage of New Technologies : Evidence from a Shared ATM Network

    NARCIS (Netherlands)

    Ferrari, S.; Verboven, F.L.; Degryse, H.A.

    2007-01-01

    When new technologies become available, it is not only essential that firms have the correct investment incentives, but often also that consumers make the proper usage decisions. This paper studies investment and usage in a shared ATM network. Be- cause all banks coordinate their ATM investment

  18. Investment and Usage of New Technologies : Evidence from a Shared ATM Network

    NARCIS (Netherlands)

    Ferrari, S.; Verboven, F.L.; Degryse, H.A.

    2008-01-01

    When new technologies become available, it is not only essential that firms have the correct investment incentives, but often also that consumers make the proper usage decisions. This paper studies investment and usage in a shared ATM network. Be- cause all banks coordinate their ATM investment

  19. Problematic Internet Usage: Personality Traits, Gender, Age and Effect of Dispositional Hope Level

    Science.gov (United States)

    Cetin Gudunz, Hicran; Eksioglu, Subhan; Tarhan, Sinem

    2017-01-01

    Purpose: The aim of this study is to examine the effect of personality traits, gender, age and effects of dispositional hope level in problematic internet usage of university students. Research Methods: This paper is an example of a descriptive study, which presents the relationship between problematic internet usage of university students…

  20. The Impact of Goal Achievement Orientation on Student Technology Usage in the Classroom

    Science.gov (United States)

    McGloin, Rory; McGillicuddy, Kara T.; Christensen, John L.

    2017-01-01

    The aim of this study was to investigate whether students with differing goal achievement orientations were more likely to engage in on-task or off-task mobile device usage, as well as whether particular devices (specifically, laptops and smartphones) have a positive or negative relationship with specific task usage. The results of this study…

  1. Internet and Cell Phone Usage Patterns among Young Adults with Intellectual Disabilities

    Science.gov (United States)

    Jenaro, Cristina; Flores, Noelia; Cruz, Maribel; Pérez, Ma Carmen; Vega, Vanessa; Torres, Víctor A.

    2018-01-01

    Background: The risks and opportunities associated with the use of technologies are of growing research interest. Patterns of technology usage illuminate these opportunities and risks. However, no studies have assessed the usage patterns (frequency, duration, and intensity) and related factors in young people with intellectual disabilities.…

  2. An analysis of the inter-relationship between savings product usage ...

    African Journals Online (AJOL)

    The article maintains that improved participation in the financial services industries seems to be dependent on satisfaction levels regarding financial services product usage. Empirical evidence shows that higher usage and higher satisfaction regarding basic savings products such as savings accounts, money market ...

  3. R.W. Burchfield. The New Fowler's Modern English Usage. 3rd ...

    African Journals Online (AJOL)

    R.W. Burchfield's revision (1996) of H.W. Fowler's Modern English Usage is an ... Usage problems arise, of course, in all the three main fields of language study: ... abiding work cannot be done by a man weak in phonetics and neglectful.

  4. Creating Usage Context-Based Object Similarities to Boost Recommender Systems in Technology Enhanced Learning

    Science.gov (United States)

    Niemann, Katja; Wolpers, Martin

    2015-01-01

    In this paper, we introduce a new way of detecting semantic similarities between learning objects by analysing their usage in web portals. Our approach relies on the usage-based relations between the objects themselves rather then on the content of the learning objects or on the relations between users and learning objects. We then take this new…

  5. The Usage of E-Governance Applications by Higher Education Students

    Science.gov (United States)

    Öktem, M. Kemal; Demirhan, Kamil; Demirhan, Haydar

    2014-01-01

    This study aims to analyze the factors affecting the Internet usage of university students using e-governance applications. It is important to examine these factors to understand why the online citizen participation is not increasing as expected, while Information and Communication Technologies (ICT) usage is improving in governance. Governance is…

  6. Are Students Really Connected? Predicting College Adjustment from Social Network Usage

    Science.gov (United States)

    Raacke, John; Bonds-Raacke, Jennifer

    2015-01-01

    The rapid growth in popularity of social networking sites has spurred research exploring the impact of usage in a variety of areas. The current study furthered this line of research by examining the relationships between social network usage and adjustment to college in the academic, social, personal-emotional and university affiliation domains.…

  7. A Resolution in Service: SFX Usage Logs as a Basis for Link Resolver Menu Redesign

    Science.gov (United States)

    Highsmith, Anne L.; Ponsford, Bennett Claire

    2011-01-01

    In this study, three years of SFX usage logs at Texas A&M University were analyzed to determine how patrons use link resolver services. The study contrasts the actions taken by users when full text is and is not available and compares public versus staff usage. The results confirmed users' preference for full-text services but also provided…

  8. Can You Hear Me? An Analysis of Gender and Mobile Phone Usage ...

    African Journals Online (AJOL)

    This Study investigates gender differentials in mobile phone usage in Owalla, a rural community in Imo state, Nigeria. Data were collected from 200 randomly selected respondents from the study area. The result showed that there exists significant gender disparity in favour of men with regard to usage of mobile phone.

  9. The role of knowledge about user behaviour in demand response management of domestic hot water usage

    NARCIS (Netherlands)

    Tabatabaei, Seyed Amin; Klein, Michel

    2018-01-01

    Load balancing is an important topic in smart grid systems. Dynamic pricing is a common approach to achieve a better balance between renewable energy production and energy usage. This assumes that individual households adapt their energy usage patterns based on energy prices. However, the actual

  10. Using Clustering Techniques To Detect Usage Patterns in a Web-based Information System.

    Science.gov (United States)

    Chen, Hui-Min; Cooper, Michael D.

    2001-01-01

    This study developed an analytical approach to detecting groups with homogenous usage patterns in a Web-based information system. Principal component analysis was used for data reduction, cluster analysis for categorizing usage into groups. The methodology was demonstrated and tested using two independent samples of user sessions from the…

  11. The Impact of College Drug Policy on Students' Drug Usage

    Science.gov (United States)

    Sawyer, Holly N.

    2012-01-01

    Illicit drug usage at Historically Black Colleges and Universities (HBCU) is a topic of limited research. The research questions that guided this study were (a) What is the relationship between college policy on illicit drugs and students' frequency of drug usage after controlling for college location (urban or rural) and students' age,…

  12. Student Teachers' Perceptions about the Impact of Internet Usage on Their Learning and Jobs

    Science.gov (United States)

    Gialamas, Vasilis; Nikolopoulou, Kleopatra; Koutromanos, George

    2013-01-01

    This study investigated student teachers' perceptions about the impact of internet usage on their learning and future jobs. The sample consisted of 448 student teachers from the Early Childhood and Primary Education Departments at the National University of Athens, in Greece. Student teachers' perceptions regarding the impact of internet usage on…

  13. What Influences Geography Teachers' Usage of Geographic Information Systems? A Structural Equation Analysis

    Science.gov (United States)

    Lay, Jinn-Guey; Chi, Yu-Lin; Hsieh, Yeu-Sheng; Chen, Yu-Wen

    2013-01-01

    Understanding the usage of the geographic information system (GIS) among geography teachers is a crucial step in evaluating the current dissemination of GIS knowledge and skills in Taiwan's educational system. The primary contribution of this research is to further our understanding of the factors that affect teachers' GIS usage. The structural…

  14. Operational Waste Volume Projection

    Energy Technology Data Exchange (ETDEWEB)

    STRODE, J.N.

    2000-08-28

    Waste receipts to the double-shell tank system are analyzed and wastes through the year 2015 are projected based on generation trends of the past 12 months. A computer simulation of site operations is performed, which results in projections of tank fill schedules, tank transfers, evaporator operations, tank retrieval, and aging waste tank usage. This projection incorporates current budget planning and the clean-up schedule of the Tri-Party Agreement. Assumptions were current as of June. 2000.

  15. Operational waste volume projection

    International Nuclear Information System (INIS)

    Koreski, G.M.; Strode, J.N.

    1995-06-01

    Waste receipts to the double-shell tank system are analyzed and wastes through the year 2015 are projected based on generation trends of the past 12 months. A computer simulation of site operations is performed, which results in projections of tank fill schedules, tank transfers, evaporator operations, tank retrieval, and aging waste tank usage. This projection incorporates current budget planning and the clean-up schedule of the tri-party agreement. Assumptions are current as of June 1995

  16. Operational Waste Volume Projection

    International Nuclear Information System (INIS)

    STRODE, J.N.

    2000-01-01

    Waste receipts to the double-shell tank system are analyzed and wastes through the year 2015 are projected based on generation trends of the past 12 months. A computer simulation of site operations is performed, which results in projections of tank fill schedules, tank transfers, evaporator operations, tank retrieval, and aging waste tank usage. This projection incorporates current budget planning and the clean-up schedule of the Tri-Party Agreement. Assumptions were current as of June. 2000

  17. Medical radiation exposure and usage for diagnostic radiology in Malaysia

    International Nuclear Information System (INIS)

    Ng, Kwan-Hoong; Rassiah, Premavathy; Abdullah, B.J.J.; Wang, Hwee-Beng; Shariff Hambali, Ahmad; Muthuvelu, Pirunthavany; Sivalingam, S.

    2001-01-01

    A national dose survey of routine X-ray examinations in Malaysia (a Level II country) from 1993 to 1995 had established baseline data for seven common types of x-ray examinations. A total of 12 randomly selected public hospitals and 867 patients were included in this survey. Survey results are generally comparable with those reported in the UK, USA and IAEA. The findings support the importance of the ongoing national quality assurance programme to ensure doses are kept to a level consistent with optimum image quality. The data was useful in the formulation of national guidance levels as recommended by the IAEA. The medical radiation exposure and usage for diagnostic radiology (1990-1994) enabled a comparison to be made for the first time with the UNSCEAR 2000 Report. In 1994, the number of physicians, radiologists, x-ray units and x-ray examinations per 1000 population was 0.45, 0.005, 0.065 and 183, respectively; 3.6 million x-ray examinations were performed; the annual effective dose per capita was 0.05 mSv and collective dose was 1000 person-Sv. Chest examinations contributed 63% of the total. Almost all examinations experienced increasing frequency except for barium studies, cholecystography, and intravenous urography (-23%, -36%, -51%). Notable increases were observed in computed tomography (161%), cardiac procedures (190%), and mammography (240%). (author)

  18. Current situation and future usage of anticancer drug databases.

    Science.gov (United States)

    Wang, Hongzhi; Yin, Yuanyuan; Wang, Peiqi; Xiong, Chenyu; Huang, Lingyu; Li, Sijia; Li, Xinyi; Fu, Leilei

    2016-07-01

    Cancer is a deadly disease with increasing incidence and mortality rates and affects the life quality of millions of people per year. The past 15 years have witnessed the rapid development of targeted therapy for cancer treatment, with numerous anticancer drugs, drug targets and related gene mutations been identified. The demand for better anticancer drugs and the advances in database technologies have propelled the development of databases related to anticancer drugs. These databases provide systematic collections of integrative information either directly on anticancer drugs or on a specific type of anticancer drugs with their own emphases on different aspects, such as drug-target interactions, the relationship between mutations in drug targets and drug resistance/sensitivity, drug-drug interactions, natural products with anticancer activity, anticancer peptides, synthetic lethality pairs and histone deacetylase inhibitors. We focus on a holistic view of the current situation and future usage of databases related to anticancer drugs and further discuss their strengths and weaknesses, in the hope of facilitating the discovery of new anticancer drugs with better clinical outcomes.

  19. Biased immunoglobulin light chain gene usage in the shark1

    Science.gov (United States)

    Iacoangeli, Anna; Lui, Anita; Naik, Ushma; Ohta, Yuko; Flajnik, Martin; Hsu, Ellen

    2015-01-01

    This study of a large family of kappa light (L) chain clusters in nurse shark completes the characterization of its classical immunoglobulin (Ig) gene content (two heavy chain classes, mu and omega, and four L chain isotopes, kappa, lambda, sigma, and sigma-2). The shark kappa clusters are minigenes consisting of a simple VL-JL-CL array, where V to J recombination occurs over a ~500 bp interval, and functional clusters are widely separated by at least 100 kb. Six out of ca. 39 kappa clusters are pre-rearranged in the germline (GL-joined). Unlike the complex gene organization and multistep assembly process of Ig in mammals, each shark Ig rearrangement, somatic or in the germline, appears to be an independent event localized to the minigene. This study examined the expression of functional, non-productive, and sterile transcripts of the kappa clusters compared to the other three L chain isotypes. Kappa cluster usage was investigated in young sharks, and a skewed pattern of split gene expression was observed, one similar in functional and non-productive rearrangements. These results show that the individual activation of the spatially distant kappa clusters is non-random. Although both split and GL-joined kappa genes are expressed, the latter are prominent in young animals and wane with age. We speculate that, in the shark, the differential activation of the multiple isotypes can be advantageously used in receptor editing. PMID:26342033

  20. Biased Immunoglobulin Light Chain Gene Usage in the Shark.

    Science.gov (United States)

    Iacoangeli, Anna; Lui, Anita; Naik, Ushma; Ohta, Yuko; Flajnik, Martin; Hsu, Ellen

    2015-10-15

    This study of a large family of κ L chain clusters in nurse shark completes the characterization of its classical Ig gene content (two H chain isotypes, μ and ω, and four L chain isotypes, κ, λ, σ, and σ-2). The shark κ clusters are minigenes consisting of a simple VL-JL-CL array, where V to J recombination occurs over an ~500-bp interval, and functional clusters are widely separated by at least 100 kb. Six out of ~39 κ clusters are prerearranged in the germline (germline joined). Unlike the complex gene organization and multistep assembly process of Ig in mammals, each shark Ig rearrangement, somatic or in the germline, appears to be an independent event localized to the minigene. This study examined the expression of functional, nonproductive, and sterile transcripts of the κ clusters compared with the other three L chain isotypes. κ cluster usage was investigated in young sharks, and a skewed pattern of split gene expression was observed, one similar in functional and nonproductive rearrangements. These results show that the individual activation of the spatially distant κ clusters is nonrandom. Although both split and germline-joined κ genes are expressed, the latter are prominent in young animals and wane with age. We speculate that, in the shark, the differential activation of the multiple isotypes can be advantageously used in receptor editing. Copyright © 2015 by The American Association of Immunologists, Inc.