Final Report - Certifying the Performance of Small Wind Turbines

Energy Technology Data Exchange (ETDEWEB)

Sherwood, Larry [Small Wind Certification Council, Clifton Park, NY (United States)

2015-08-28

The Small Wind Certification Council (SWCC) created a successful accredited certification program for small and medium wind turbines using the funding from this grant. SWCC certifies small turbines (200 square meters of swept area or less) to the American Wind Energy Association (AWEA) Small Wind Turbine Performance and Safety Standard (AWEA Standard 9.1 – 2009). SWCC also certifies medium wind turbines to the International Electrical Commission (IEC) Power Performance Standard (IEC 61400-12-1) and Acoustic Performance Standard (IEC 61400-11).

Wind Turbine Generator System Safety and Function Test Report for the Entegrity EW50 Wind Turbine

Energy Technology Data Exchange (ETDEWEB)

Smith, J.; Huskey, A.; Jager, D.; Hur, J.

2012-11-01

This report summarizes the results of a safety and function test that NREL conducted on the Entegrity EW50 wind turbine. This test was conducted in accordance with the International Electrotechnical Commissions' (IEC) standard, Wind Turbine Generator System Part 2: Design requirements for small wind turbines, IEC 61400-2 Ed.2.0, 2006-03.

ACCUWIND - Classification of five cup anemometers according to IEC 61400-12-1

DEFF Research Database (Denmark)

Friis Pedersen, Troels; Dahlberg, J.-Å.; Busche, P.

2006-01-01

The characteristics of five cup anemometers were investigated in detail, and data are presented in figures and tables. The characteristics include: normal wind tunnel calibrations; angular response measurements at 5, 8 and 11m/s; torque coefficient curvemeasurements from combined tilt and ramp......-gust tests, torque coefficient curve measurements for non-tilted conditions; rotor inertia measurements and measurements of friction of bearings at temperatures -10°C to 40°C. The characteristics are fitted to twodifferent time domain cup anemometer models, and simulations of the cup anemometers are made...

European wind turbine testing procedure developments. Task 1: Measurement method to verify wind turbine performance characteristics

DEFF Research Database (Denmark)

Hunter, R.; Friis Pedersen, Troels; Dunbabin, P.

2001-01-01

There is currently significant standardisation work ongoing in the context of wind farm energy yield warranty assessment and wind turbine power performance testing. A standards maintenance team is revising the current IEC (EN) 61400-12 Ed 1 standard forwind turbine power performance testing....... The standard is being divided into four documents. Two of them are drafted for evaluation and verification of complete wind farms and of individual wind turbines within wind farms. This document, and the project itdescribes, has been designed to help provide a solid technical foundation for this revised...... standard. The work was wide ranging and addressed 'grey' areas of knowledge, regarding existing methodologies or to carry out basic research in support offundamentally new procedures. The work has given rise to recommendations in all areas of the work, including site calibration procedures, nacelle...

European wind turbine testing procedure developments. Task 1: Measurement method to verify wind turbine performance characteristics

Energy Technology Data Exchange (ETDEWEB)

Hunter, R.; Friis Pedersen, T.; Dunbabin, P.; Antoniou, I.; Frandsen, S.; Klug, H.; Albers, A.; Lee, W.K.

2001-01-01

There is currently significant standardisation work ongoing in the context of wind farm energy yield warranty assessment and wind turbine power performance testing. A standards maintenance team is revising the current IEC (EN) 61400-12 Ed 1 standard for wind turbine power performance testing. The standard is being divided into four documents. Two of them are drafted for evaluation and verification of complete wind farms and of individual wind turbines within wind farms. This document, and the project it describes, has been designed to help provide a solid technical foundation for this revised standard. The work was wide ranging and addressed 'grey' areas of knowledge, regarding existing methodologies or to carry out basic research in support of fundamentally new procedures. The work has given rise to recommendations in all areas of the work, including site calibration procedures, nacelle anemometry, multi-variate regression analysis and density normalisation. (au)

Wind Turbine Generator System Acoustic Noise Test Report for the Gaia Wind 11-kW Wind Turbine

Energy Technology Data Exchange (ETDEWEB)

Huskey, A.

2011-11-01

This report details the acoustic noise test conducted on the Gaia-Wind 11-kW wind turbine at the National Wind Technology Center. The test turbine is a two- bladed, downwind wind turbine with a rated power of 11 kW. The test turbine was tested in accordance with the International Electrotechnical Commission standard, IEC 61400-11 Ed 2.1 2006-11 Wind Turbine Generator Systems -- Part 11 Acoustic Noise Measurement Techniques.

Aggregated wind power plant models consisting of IEC wind turbine models

DEFF Research Database (Denmark)

Altin, Müfit; Göksu, Ömer; Hansen, Anca Daniela

2015-01-01

The common practice regarding the modelling of large generation components has been to make use of models representing the performance of the individual components with a required level of accuracy and details. Owing to the rapid increase of wind power plants comprising large number of wind...... turbines, parameters and models to represent each individual wind turbine in detail makes it necessary to develop aggregated wind power plant models considering the simulation time for power system stability studies. In this paper, aggregated wind power plant models consisting of the IEC 61400-27 variable...... speed wind turbine models (type 3 and type 4) with a power plant controller is presented. The performance of the detailed benchmark wind power plant model and the aggregated model are compared by means of simulations for the specified test cases. Consequently, the results are summarized and discussed...

Power Curve Measurements REWS

DEFF Research Database (Denmark)

Gómez Arranz, Paula; Vesth, Allan

This report describes the power curve measurements carried out on a given wind turbine in a chosen period. The measurements were carried out following the measurement procedure in the draft of IEC 61400-12-1 Ed.2 [1], with some deviations mostly regarding uncertainty calculation. Here, the refere......This report describes the power curve measurements carried out on a given wind turbine in a chosen period. The measurements were carried out following the measurement procedure in the draft of IEC 61400-12-1 Ed.2 [1], with some deviations mostly regarding uncertainty calculation. Here......, the reference wind speed used in the power curve is the equivalent wind speed obtained from lidar measurements at several heights between lower and upper blade tip, in combination with a hub height meteorological mast. The measurements have been performed using DTU’s measurement equipment, the analysis...

Wind Turbine Generator System Acoustic Noise Test Report for the ARE 442 Wind Turbine

Energy Technology Data Exchange (ETDEWEB)

Huskey, A.; van Dam, J.

2010-11-01

This test was conducted on the ARE 442 as part of the U.S. Department of Energy's (DOE's) Independent Testing project. This project was established to help reduce the barriers of wind energy expansion by providing independent testing results for small turbines. In total, five turbines are being tested at the National Wind Technology Center (NWTC) as a part of this project. Acoustic noise testing is one of up to five tests that may be performed on the turbines, including duration, safety and function, power performance, and power quality tests. The acoustic noise test was conducted to the IEC 61400-11 Edition 2.1.

Power curve report - with turbulence intensity normalization

DEFF Research Database (Denmark)

Gómez Arranz, Paula; Wagner, Rozenn; Vesth, Allan

, additional shear and turbulence intensitity filters are applied on the measured data. Secondly, the method for normalization to a given reference turbulence intensity level (as described in Annex M of the draft of IEC 61400-12-1 Ed.2 [3]) is applied. The measurements have been performed using DTU...

[Approval of ISO/IEC 17025 and quality control of laboratory testing].

Science.gov (United States)

Yamamoto, Shigeki; Asakura, Hiroshi; Machii, Kenji; Igimi, Shizunobu

2010-01-01

First section of Division of Biomedical Food Research, National Institute of Health Sciences (NIHS) was approved by ISO/IEC 17025 as a laboratory having an appropriate laboratory testing technique. NIHS is the first national laboratory approved by ISO/IEC 17025. NIHS has also been accepted the appropriate technique and facility for the BSL3 level pathogens by ISO/IEC 17025. NIHS is necessary to take an external audit almost every year. This approval is renewed every 4 years.

Structural degradation of a large composite wind turbine blade in a full-scale fatigue test

DEFF Research Database (Denmark)

Chen, Xiao

carried out at a coupon level to characterize fatigue degradation of composite materials, there is no much study focusing on fatigue degradation of rotor blades at a fullscale structural level. Do structural properties of composite blades degrade in a similar manner to what has been observed in material...... tests at a coupon level? What might be the concerns one should take into account when predicting residual structural properties of rotor blades? To answer, at least to a partial extent, these questions, this study conducts a full-scale fatigue test on a 47m composite rotor blade according to IEC 61400......Wind turbine blades are expected to sustain a high number of loading cycles typically up to a magnitude of 1,000 million during their targeted service lifetime of 20-25 years. Structural properties of composite blades degrade with the time. Although substantial studies, such as [1,2], have been...

European wind turbine testing procedure developments. Task 2: Power quality

DEFF Research Database (Denmark)

Sørensen, Poul Ejnar; Friis Pedersen, Troels; Gerdes, G.

2001-01-01

The present report describes the work done in the power quality subtask of the European Wind Turbine Testing Procedure Developments project funded by the EU SMT program. The objective of the power quality subtask has been to make recommendations andprovide background for new standards...... for measurement and testing of wind turbine power quality. The focus in the work has been to support the ongoing standardisation work in IEC with a new standard IEC61400-21 for measurement and assessment of powerquality characteristics of grid connected wind turbines. The work has also been based on the power...... quality measuremnet procedure in the Measnet cooperation of European test stations for wind turbines. The first working item of the project has been toverify the state of the art of the measurement procedures by analyses and comparisons of the measurements and data processing software of the participating...

From IEC 61131 to IEC 61499 for Distributed Systems: A Case Study

Directory of Open Access Journals (Sweden)

Christian Gerber

2008-02-01

Full Text Available A new concept for distributed control systems based on the new IEC 61499 standard is tested in this work in cooperation with LAE Engineering GmbH, a medium-sized company. Based on a catalogue of requirements, a customer-related testbed is developed. In the following this testbed is used as a reference to realise an IEC 61499 compliant-distributed control system based on PC technics. By doing this, rules are defined to convert user-owned IEC 61131 function blocks to IEC 61499 compliant function blocks. Concluding, some trends for IEC 61499-based distributed control systems will be summarised.

Implementation of IEC standard models for power system stability studies

Energy Technology Data Exchange (ETDEWEB)

Margaris, Ioannis D.; Hansen, Anca D.; Soerensen, Poul [Technical Univ. of Denmark, Roskilde (Denmark). Dept. of Wind Energy; Bech, John; Andresen, Bjoern [Siemens Wind Power A/S, Brande (Denmark)

2012-07-01

This paper presents the implementation of the generic wind turbine generator (WTG) electrical simulation models proposed in the IEC 61400-27 standard which is currently in preparation. A general overview of the different WTG types is given while the main focus is on Type 4B WTG standard model, namely a model for a variable speed wind turbine with full scale power converter WTG including a 2-mass mechanical model. The generic models for fixed and variable speed WTGs models are suitable for fundamental frequency positive sequence response simulations during short events in the power system such as voltage dips. The general configuration of the models is presented and discussed; model implementation in the simulation software platform DIgSILENT PowerFactory is presented in order to illustrate the range of applicability of the generic models under discussion. A typical voltage dip is simulated and results from the basic electrical variables of the WTG are presented and discussed. (orig.)

IEC-TC88WG8 testing of rotor blades

Energy Technology Data Exchange (ETDEWEB)

Delft, D R.V. van [Delft Univ. of Technology, STEVIN Lab., Delft (Netherlands)

1996-09-01

In 1994 the TC88 of IEC installed a working group (WG8) to draft a guideline on blade testing. This paper gives a description of the task of the working group. Furthermore it gives a report of the progress of the work and summarizes the possible contents of the working group document on blade testing. (au)

Nacelle lidar for power curve measurement - Avedøre campaign

DEFF Research Database (Denmark)

Wagner, Rozenn; Davoust, Samuel

measurement of the wind speed away from the instrument. In the first phase of the EUDP project: “Nacelle lidar for power performance measurement”, a measurement campaign with a na-celle lidar prototype placed on an onshore turbine demonstrated the poten-tial of the technology for power curve measurement....... The main deviations of this method to the requirement of the IEC 61400-12-1 were identified and a procedure was established for the use of a nacelle lidar specifically for power curve measurement. This report describes the results of a sec-ond measurement campaign aiming at testing and finalising...

Validation of Simplified Load Equations Through Loads Measurement and Modeling of a Small Horizontal-Axis Wind Turbine Tower

Energy Technology Data Exchange (ETDEWEB)

Dana, Scott [National Renewable Energy Laboratory (NREL), Golden, CO (United States); Van Dam, Jeroen J [National Renewable Energy Laboratory (NREL), Golden, CO (United States); Damiani, Rick R [National Renewable Energy Laboratory (NREL), Golden, CO (United States)

2018-04-24

As part of an ongoing effort to improve the modeling and prediction of small wind turbine dynamics, the National Renewable Energy Laboratory (NREL) tested a small horizontal-axis wind turbine in the field at the National Wind Technology Center. The test turbine was a 2.1-kW downwind machine mounted on an 18-m multi-section fiberglass composite tower. The tower was instrumented and monitored for approximately 6 months. The collected data were analyzed to assess the turbine and tower loads and further validate the simplified loads equations from the International Electrotechnical Commission (IEC) 61400-2 design standards. Field-measured loads were also compared to the output of an aeroelastic model of the turbine. In particular, we compared fatigue loads as measured in the field, predicted by the aeroelastic model, and calculated using the simplified design equations. Ultimate loads at the tower base were assessed using both the simplified design equations and the aeroelastic model output. The simplified design equations in IEC 61400-2 do not accurately model fatigue loads and a discussion about the simplified design equations is discussed.

IEC Newsletter, No. 53/3 (2015)

International Nuclear Information System (INIS)

2015-12-01

The IEC Newsletter is prepared by the Incident and Emergency Centre (IEC), Department of Nuclear Safety and Security of the IAEA. The Incident and Emergency Centre (IEC) is the global focal point for emergency preparedness and response for nuclear and radiological safety or security related incidents, emergencies, threats or events of media interest. The IEC is also the world’s centre for coordination of international assistance in emergency. The following topics are presented in this newsletter: Prepared to Respond International Conference on Global EPR; Launch of EPRIMS; First meeting of EPR Standards Committee; IEC and French experts test assessment and prognosis arrangements; IEC and Swiss counterparts conduct an assessment and prognosis drill; Consultancy on CANDUspecific EALs; Regional Workshops; Recently reported events; Member State preparedness; IEC welcomes young visitors on Bring Your Children to Work day

On the way to reliable aeroelastic load simulation on VAWT's

DEFF Research Database (Denmark)

Larsen, Torben J.; Aagaard Madsen, Helge

2013-01-01

In this paper a method for an implementation of a 2D actuator cylinder flow model of an Vertical Axis Wind Turbine (VAWT) is presented. The model is implemented in a full aeroelastic code including consideration of structural dynamics, dynamic inflow, tower shadow and dynamic stall, which is needed...... for a full load analysis relating to eg. certification of a VAWT turbine. Further on, principal load cases according to the IEC61400-1 are simulated for a fictitious 5MW VAWT turbine in it’s simplest 2 bladed Darrieus configuration. The IEC61400-1 load cases, originally developed for Horizontal Axis Wind...... Turbines (HAWT’s), are discussed regarding the application to VAWT’s. Further on a small section regarding aerodynamic flow in curved motion is included....

Measurement system for wind turbine acoustic noise assessment based on IEC standard and Qin′s model

Institute of Scientific and Technical Information of China (English)

Sun Lei; Qin Shuren; Bo Lin; Xu Liping; Stephan Joeckel

2008-01-01

A novel measurement system specially used in noise emission assessment and verification of wind turbine generator systems is presented that complies with specifications given in IEC 61400-11 to ensure the process consistency and accuracy. Theory elements of the calculation formula used for the sound power level of wind turbine have been discussed for the first time, and detailed calculation procedure of tonality and audibility integrating narrowband analysis and psychoacoustics is described. With a microphone and two PXI cards inserted into a PC, this system is designed in Qin′s model using VMIDS development system. Benefiting from the virtual instrument architecture, it′s the first time that all assessment process have been integrated into an organic whole, which gives full advantages of its efficiency, price, and facility. Mass experiments show that its assessment results accord with the ones given by MEASNET member.

Type tests performed on a personnel dosimetry system according to IEC 61066

International Nuclear Information System (INIS)

Castillo, Romel; Huamanlazo, Paula; Rojas, Enrique

2015-01-01

In this study, the verification of the Harshaw 6600 Plus TLD personal dosimetry system was made using the method of the IEC-61066 type tests and the recommendations of the ISO 4037 standards. For this purpose, five dosimeters were irradiated over a water phantom using an irradiator with a 137 Cs source; five dosimeters as control were also used. The evaluated parameters were homogeneity, detection limit, residual reading, linearity, reproducibility, droppings and temperature and humidity variations. The obtained results show that the Harshaw 6600 TLD dosimetric system fulfills the IEC 61066 criteria. (author)

Characterization of a PET-NEMA/IEC body phantom for quality control tests of PET/CT equipment

International Nuclear Information System (INIS)

Oliveira, Cassio M.; Vieira, Igor F.; Lima, Fernando R.A.; Sa, Lidia V. de

2011-01-01

The Brazilian Sanitary Agency from Ministry of Health requires that all PET/CT equipment must undergo minimal quality control tests using manufacturer simulators. The PET-NEMA/IEC body phantom is recommended by the IEC and NEMA to perform acceptance testing and quality control in PET/CT equipment according to specific protocols. It is essential that all simulator components (spheres and body) are properly characterized in relation to their size and internal structure volumes, since they are used to calculate the overall activity concentration and the total weight. The objective of this work was characterize a PET-NEMA/IEC body phantom for the true reconstruction in computational modeling and correct analysis of experimental results. The simulator is basically composed of three structures: the body (simulating a portion of the chest), an inner cylinder (simulating the lung tissue) and a top cover in which are coupled spheres of different sizes simulating 'hot' (tumors) and cold lesions. The spheres were evaluated in terms of volume. The same evaluations were performed with the body of the simulator and the inner cylinder, beyond of analysis of their weights (filled with water) and wall thickness. The data showed that the total weight of the simulator with all its internal structures is 12.5 kg and the volume of the 'hot' and 'cold' spheres are approximately equal to those presented by the manufacturer. The inner cylinder volume showed a significant difference between the measured and the presented in the manual. The results were used for reconstruction of the simulator in computational modeling using the code GATE. (author)

Partial Safety Factors for Fatigue Design of Wind Turbine Blades

DEFF Research Database (Denmark)

Toft, Henrik Stensgaard; Sørensen, John Dalsgaard

2010-01-01

In the present paper calibration of partial safety factors for fatigue design of wind turbine blades is considered. The stochastic models for the physical uncertainties on the material properties are based on constant amplitude fatigue tests and the uncertainty on Miners rule for linear damage...... accumulation is determined from variable amplitude fatigue tests with the Wisper and Wisperx spectra. The statistical uncertainty for the assessment of the fatigue loads is also investigated. The partial safety factors are calibrated for design load case 1.2 in IEC 61400-1. The fatigue loads are determined...... from rainflow-counting of simulated time series for a 5MW reference wind turbine [1]. A possible influence of a complex stress state in the blade is not taken into account and only longitudinal stresses are considered....

The first IEC fusion industrial neutron generator and developments

Science.gov (United States)

Sved, John

1999-06-01

Inertial Electrostatic Confinement fusion grade plasma containment has been sporadically researched since the early 1960's. In the 1990's the work of G. H. Miley and his team at the University of Illinios, Fusion Studies Laboratory, Champaign-Urbana has stimulated a collaboration with industry. The development and test program for the first industrial IEC neutron generator has progressed to the point where an endurance test is under way to demonstrate at least 10,000 hours of operational life of the sealed chamber device without servicing. The market entry goals of steady 107 D-D n/s CW output with an air-cooled system have been achieved. DASA has invested in the development of the industrial product and the continuing basic research at the UI-FSL. The complete DASA FusionStar IEC-PS1 point source neutron generator set is described with emphasis on the interfaces to user NAA systems. The next product developments are pulsed neutron operations and higher fusion reaction rates of up to 1010 by means of affordable add-ons to the basic IEC-PS system. The production engineering experience gained will next be applied to a more challenging line source variant of the IEC. Beyond neutron and proton sources, several other IEC applications are being developed.

Wind power communication design and implementation of test environment for IEC61850/UCA2

Energy Technology Data Exchange (ETDEWEB)

Johnsson, A.; Svensson, J.

2002-04-01

Elforsk has sponsored a joint Swedish-Danish project aiming at finding and recommend a common solution for communication with wind power plants. The first stage of the work resulted in a requirement specification Functional Requirements on Communication System for Wind Turbine Applications. During the project a number of possible communication solutions were identified. The two most promising solutions have been tested in order to verify to what extent they fulfil the requirements in the specification. A version of the IEC 61850 standard based on the communication protocol MMS, has been tested at a wind power plant at Gotland, Sweden, and an OPC-interface has been tested in Denmark. This report includes a description of the design choices made for the test implementation of MMS, as well as a detailed description of the implementation of the IEC 61850/UCA2 software including information models and information exchange services. (BA)

A multi-function IEC 61850 packet generator based on FPGA

International Nuclear Information System (INIS)

Wei, Wei; Li, Hong-bin; Cheng, Han-miao

2016-01-01

An IEC 61850 packet generator is used to produce IEC 61850-9-2 packets by simulating the merging unit and testing the IEC 61850 digital device. While the existing IEC packet generator can produce ideal digital without any noise, it does not take into account the fact that the merging unit output signal packets will be inevitably superimposed with noise. Since the International Electrical Commission standard of the electronic current transformer specifies the minimum output signal-to-noise ratio of the merging unit to be 30 dB, and the signal superimposed with noise will influence the operation performance of the digital device, it is necessary to design a multi-function IEC 61850-9-2 packet generator for a digital device test. Therefore, in this paper, a multi-function IEC 61850 packet generator has been developed, which not only can output various IEC 61850-9-2 packets, but also can add white Gaussian noise to the signal for digital device testing. By testing three digital electricity meters from different manufacturers, we showed that the error of the digital electricity meter is significantly larger when the signal packet is superimposed with noise. Also when the signal-to-noise ration is 30 dB, the error of one of the meters exceeds the allowed range of the accuracy class. This indicates that the noise testing and the noise setting function of the system has an important role in the testing of a digital device. (paper)

Test Rig Design and Presentation for a Hydraulic Yaw System

DEFF Research Database (Denmark)

Stubkier, Søren; Pedersen, Henrik C.; Andersen, Torben Ole

2013-01-01

The design and development of a hydraulic yaw system for multi MWturbines is presented and the concept explained. As part of the development of the new concept a full scale test rig for a 5 MW wind turbine has been designed and constructed. The test rig is presented along with its unique design...... features. The design process is outlined to give insight in the design criteria driving the design. Loads and yaw demands are based on the IEC 61400-1 standard for wind turbine design, and the loads for this examination are extrapolated from the FAST aero elastic design software. The concepts are based...... on a 5 MW offshore turbine. After the system presentation, measurement results are presented to verify the behavior of the system. The loads to the system are applied by torque controlled electrical servo drives, which can add a load of up to 3 MNm to the system. This gives an exact picture of the system...

Vertical Axis Wind Turbine Design Load Cases Investigation and Comparison with Horizontal Axis Wind Turbine

DEFF Research Database (Denmark)

Galinos, Christos; Larsen, Torben J.; Aagaard Madsen, Helge

2016-01-01

The paper studies the applicability of the IEC 61400-1 ed.3, 2005 International Standard of wind turbine minimum design requirements in the case of an onshore Darrieus VAWT and compares the results of basic Design Load Cases (DLCs) with those of a 3-bladed HAWT. The study is based on aeroelastic...... computations using the HAWC2 aero-servo-elastic code A 2-bladed 5 MW VAWT rotor is used based on a modified version of the DeepWind rotor For the HAWT simulations the NREL 3-bladed 5 MW reference wind turbine model is utilized Various DLCs are examined including normal power production, emergency shut down...... and parked situations, from cut-in to cut-out and extreme wind conditions. The ultimate and 1 Hz equivalent fatigue loads of the blade root and turbine base bottom are extracted and compared in order to give an insight of the load levels between the two concepts. According to the analysis the IEC 61400-1 ed...

IEC 61850 and IEC 62351 Cyber Security Acceleration Workshop

Energy Technology Data Exchange (ETDEWEB)

Clements, Samuel L.; Edgar, Thomas W.; Manz, David O.

2012-04-01

The purpose of this workshop was to identify and discuss concerns with the use and adoption of IEC 62351 security standard for IEC 61850 compliant control system products. The industry participants discussed performance, interoperability, adoption, challenges, business cases, and future issues.

Changes in IEC standards related to diagnostic radiology

International Nuclear Information System (INIS)

Porubszky, T.; Barsai, J.

2007-01-01

Complete test of publication follows. Purposes. Technical Committee TC62 of International Electrotechnical Commission (IEC) deals with medical electrical equipment (i.e. medical devices using electricity). Standardization concerning diagnostic radiology equipment is task of its Sub-Committee SC62B. An outlook of its activities and present situation, and especially of radiation protection aspects, is given. Materials and methods. Third edition of basic safety standard for medical electrical equipment IEC 60601-1 was issued in 2005. Elaboration of new collateral and particular standards - applicable together with it - is in progress. These standards are generally at the same time also European - EN - and national standards. There is a great importance of radiation protection in diagnostic X-ray equipment. Collateral standard IEC 6060-1-3 about it was at first issued in 1994. Rapid development of imaging technology demands updating of requirements. SC62B in 2003 founded a maintenance team MT37 for preparation of the second edition of this standard. According to new safety philosophy of IEC all modality specific requirements are to be collected in 'safety and essential performance' particular standards. A new working group WG42 - founded in 2006 - elaborates a new particular standard IEC 60601-2-54 for radiographic and radioscopic equipment. Maintenance team MT32 deals with safety and performance standards for X-ray tube assemblies. The authors actively participate in these activities. Results and discussion. Present and future system of diagnostic radiology IEC standards and some interesting details are presented. Conclusions. International standards - although they are not 'obligatory' - are generally the basis of safety and performance certification of diagnostic radiology equipment and often also of their quality assurance.

Prüfungen zur Beurteilung der Brandgefahr; Anleitung für die Aufstellung von Anforderungen und Prüfbestimmungen zur Beurteilung der Brandgefahr von elektrotechnischen Erzeugnissen; 1-2: Anleitung für Bauelemente der Elektronik; Identisch mit IEC 60695-1-2, Ausgabe 1982

CERN Document Server

Deutsches Institut für Normung. Berlin

1986-01-01

Prüfungen zur Beurteilung der Brandgefahr; Anleitung für die Aufstellung von Anforderungen und Prüfbestimmungen zur Beurteilung der Brandgefahr von elektrotechnischen Erzeugnissen; 1-2: Anleitung für Bauelemente der Elektronik; Identisch mit IEC 60695-1-2, Ausgabe 1982

Maintaining and assessing extended 9 test methods in accordance with ISO/IEC 17025: 2005 for Isotopes Hydrology Laboratory

International Nuclear Information System (INIS)

Nguyen Thi Hong Thinh; Ha Lan Anh; Vo Thi Anh; Tran Khanh Minh; Vu Hoai

2016-01-01

The ISO/IEC 17025:2005 ''General requirements for the competence of testing and calibration laboratories'' is basis for the accreditation body of the country in general and VILAS in particular recognizing the competence of laboratories. With the desire to prove that we have sufficient technique and management capacity , and the ability to provide the legally recognized and technically valuable test results, the Isotope Hydrology Laboratory have developed and maintain a quality management system in accordance with ISO/IEC 17025:2005. In 2013, Isotope Hydrology Laboratory received a certificate of accreditation issued by Bureau of Accreditation which recognized the laboratory in accordance with ISO/IEC 17025:2005 with VILAS 670 accredited code. Scope of recognition is analyzed 14 parameters: F"-, Cl"-, NO_2"-, NO_3"-, Br"-, PO_4"3"-, SO_4"2"-, Li"+, Na"+, NH_4"+, K"+, Mg"2"+, Ca"2"+ and "3H in water by ion chromatography and liquid scintillator counting method. The laboratory has successfully implemented the task of maintaining quality management systems conform to ISO/IEC 17025: 2005 and expanded the scope of accreditation by 9 parameters in water: pH, EC, TSS, TDS, DO, BOD5, pH, Fe and Mn in 2015. (author)

Implementation of IEC Generic Models of Type 1 Wind Turbine Generator in DIgSILENT PowerFactory

Institute of Scientific and Technical Information of China (English)

Haoran ZHAO; Qiuwei WU; Ioannis MARGARIS; Poul S(O)RENSEN

2013-01-01

The implementation method for the International Electrotechnical Commission (IEC) generic models of Type 1 wind turbine generator (WTG) in DIgSILENT PowerFactory is presented.The following items are described,i.e.model structure,model blocks and how to implement these blocks in the PowerFactory environment.Case studies under both normal and fault conditions are done with the implemented IEC generic models of Type 1 WTG,and dynamic responses are captured and analyzed.The case study results show that the IEC generic models of Type 1 WTG can correctly represent the performances of Type 1 WTG under both normal and fault conditions.

Compression fatigue of Wind Turbine Blade composites materials and damage mechanisms

DEFF Research Database (Denmark)

Fraisse, Anthony; Brøndsted, Povl

According to the new IEC 61400-5-rev0 recommendation, which is under preparation it will be required to qualify wind turbine blade (WTB) composite materials in fatigue at R=0.1, R=-1, and R=10. As a minimum fatigue at R=-1 is required. This is a consequence of the ever-growing blades, where gravity...... driven edgewise bending introduces significant fully reversed cycling at the leading and trailing edges. Therefore, material manufacturer and WTB manufacturer demand test results of highest reliability and reproducibility. However, these equirements for compression-compression and tensioncompression...

Use of the TEM Cell for Compliance Testing of Emissions and Immunity, an IEC Perspective

DEFF Research Database (Denmark)

Bentz, Sigurd

1996-01-01

The current work of the IEC on preparing a standard for the use of TEM cells for compliance testing of emissions and immunity is reviewed. The requirements of TEM cells are related to the established procedures: “open area test site” and “shielded enclosure with area of uniform field”, respective...

Fatigue reliability and effective turbulence models in wind farms

DEFF Research Database (Denmark)

Sørensen, John Dalsgaard; Frandsen, Sten Tronæs; Tarp-Johansen, N.J.

2007-01-01

behind wind turbines can imply a significant reduction in the fatigue lifetime of wind turbines placed in wakes. In this paper the design code model in the wind turbine code IEC 61400-1 (2005) is evaluated from a probabilistic point of view, including the importance of modeling the SN-curve by linear...

Accreditation - ISO/IEC 17025

Science.gov (United States)

Kaus, Rüdiger

This chapter gives the background on the accreditation of testing and calibration laboratories according to ISO/IEC 17025 and sets out the requirements of this international standard. ISO 15189 describes similar requirements especially tailored for medical laboratories. Because of these similarities ISO 15189 is not separately mentioned throughout this lecture.

IEC Newsletter, No. 48, Second Quarter 2014

Energy Technology Data Exchange (ETDEWEB)

NONE

2014-09-15

The Incident and Emergency Centre (IEC) is the global focal point for emergency preparedness and response for nuclear and radiological safety or security related incidents, emergencies, threats or events of media interest. The IEC is also the world’s centre for coordination of international assistance in emergency. Table of contents: • Competent Authorities Meeting; • ConvEx-1b Exercise in May 2014; • ConvEx-2a Exercise in April 2014; • IAEA Participates in First ConvEx-2e Exercise; • Second Full Response Mode Exercise of 2014; • New Interactive Learning Tool on INES; • INES Technical Meeting; • Participation in the RAD 2014 Conference; • Member State Preparedness; • Pilot Workshop for the Optimization of National Radiation Emergency Plans; • IEC Response to Recent Events; • China and Switzerland Join RANET; Japan Registers in New Functional Area; • Workshop on Radiation Monitoring; • New Publication Translation; • New USIE Feature: USIE Connect; • Twitter Milestone; • IEC News; • IEC Launches New Website.

IEC Newsletter, No. 48, Second Quarter 2014

International Nuclear Information System (INIS)

2014-09-01

The Incident and Emergency Centre (IEC) is the global focal point for emergency preparedness and response for nuclear and radiological safety or security related incidents, emergencies, threats or events of media interest. The IEC is also the world’s centre for coordination of international assistance in emergency. Table of contents: • Competent Authorities Meeting; • ConvEx-1b Exercise in May 2014; • ConvEx-2a Exercise in April 2014; • IAEA Participates in First ConvEx-2e Exercise; • Second Full Response Mode Exercise of 2014; • New Interactive Learning Tool on INES; • INES Technical Meeting; • Participation in the RAD 2014 Conference; • Member State Preparedness; • Pilot Workshop for the Optimization of National Radiation Emergency Plans; • IEC Response to Recent Events; • China and Switzerland Join RANET; Japan Registers in New Functional Area; • Workshop on Radiation Monitoring; • New Publication Translation; • New USIE Feature: USIE Connect; • Twitter Milestone; • IEC News; • IEC Launches New Website

CMMI (Trademark) for Acquisition, Version 1.2

Science.gov (United States)

2007-11-01

ISO /IEC TR 12207 Information Technology—Software Life Cycle Processes, 1995. http... ISO /IEC 12207 [ ISO 1995] • ISO /IEC 15504 [ ISO 2006] • ISO /IEC 15288 [ ISO 2002a] • ISO /IEC 15939 [ ISO 2002b] • ISO 20000-1 [ ISO 2005] • IEEE... ISO /IEC) oc, re processes with improved quality and effectiveness. The SEI created the first CMM designed for software organizations and

Wind Turbine Power Curves Incorporating Turbulence Intensity

DEFF Research Database (Denmark)

Sørensen, Emil Hedevang Lohse

2014-01-01

. The model and method are parsimonious in the sense that only a single function (the zero-turbulence power curve) and a single auxiliary parameter (the equivalent turbulence factor) are needed to predict the mean power at any desired turbulence intensity. The method requires only ten minute statistics......The performance of a wind turbine in terms of power production (the power curve) is important to the wind energy industry. The current IEC-61400-12-1 standard for power curve evaluation recognizes only the mean wind speed at hub height and the air density as relevant to the power production...

Grid impact of variable-speed wind turbines

Energy Technology Data Exchange (ETDEWEB)

Larsson, Aa [Chalmers Univ. of Technology, Dept. of Electric Power Engineering, Goeteborg (Sweden); Soerensen, P [Risoe National Lab., Roskilde (Denmark); Santjer, F [German Wind Energy Inst., DEWI, Wilhelmshaven (Germany)

1999-03-01

In this paper the power quality of variable-speed wind turbines equipped with forced-commutated inverters is investigated. Measurements have been taken on the same type of variable-speed wind turbines in Germany and Sweden. The measurements have been analysed according to existing IEC standards. Special attention has been paid to the aggregation of several wind turbines on flicker emission and harmonics. The aggregation has been compared with the summation laws used in the draft IEC 61400-21 `Power Quality Requirements for Grid Connected wind turbines`. The methods for calculating and summing flicker proposed by IEC Standards are reliable. Harmonics and inter-harmonics are treated in IEC 61000-4-7 and IEC 61000-3-6. The methods for summing harmonics and inter-harmonics in IEC 61000-3-6 are applicable to wind turbines. In order to obtain a correct magnitude of the frequency components, the use of a well-defined window width, according to IEC 61000-4-7 Amendment 1 is of a great importance. (au)

Power system EMC and IEC publication 1000

International Nuclear Information System (INIS)

Teichmann, H.

1997-01-01

A classification of the principal phenomena causing electromagnetic disturbances has been prepared by the International Electrotechnical Commission (IEC). Electromagnetic compatibility was defined (by the IEC) as 'the ability of a device, equipment or system to function satisfactorily in its electromagnetic environment without introducing intolerable electromagnetic disturbances in that environment'. The classification includes the following phenomena relative to power systems: (1) low-frequency phenomena, (2) radiated low-frequency phenomena, (2) conducted high-frequency phenomena, (3) radiated high-frequency phenomena, and (4) electrostatic discharge phenomena. The structure of the IEC publication 1000 was explained. Parts 1, 2, 3 and 6 of the publication were highlighted. The issues covered in those parts were: (Part 1) general, (Part 2) environment, (Part 3) limits, and (Part 6) generic standards. 6 refs

Adaptive Micro-Grid Operation Based on IEC 61850

Directory of Open Access Journals (Sweden)

Wei Deng

2015-05-01

Full Text Available Automatically identifying the new equipment after its integration and adjusting operation strategy to realize “plug and play” functionality are becoming essential for micro-grid operations. In order to improve and perfect the micro-grid “plug and play” function with the increased amount of equipment with different information protocols and more diverse system applications, this paper presents a solution for adaptive micro-grid operation based on IEC 61850, and proposes the design and specific implementation methods of micro-grid “plug and play” function and system operation mode conversion in detail, by using the established IEC 61850 information model of a micro-grid. Actual operation tests based on the developed IED and micro-grid test platform are performed to verify the feasibility and validity of the proposed solution. The tests results show that the solution can automatically identify the IEC 61850 information model of equipment after its integration, intelligently adjust the operation strategies to adapt to new system states and achieves a reliable system operation mode conversion.

Jefferson Lab IEC 61508/61511 Safety PLC Based Safety System

International Nuclear Information System (INIS)

Mahoney, Kelly; Robertson, Henry

2009-01-01

This paper describes the design of the new 12 GeV Upgrade Personnel Safety System (PSS) at the Thomas Jefferson National Accelerator Facility (TJNAF). The new PSS design is based on the implementation of systems designed to meet international standards IEC61508 and IEC 61511 for programmable safety systems. In order to meet the IEC standards, TJNAF engineers evaluated several SIL 3 Safety PLCs before deciding on an optimal architecture. In addition to hardware considerations, software quality standards and practices must also be considered. Finally, we will discuss R and D that may lead to both high safety reliability and high machine availability that may be applicable to future accelerators such as the ILC.

IEC Newsletter, No. 52/2 (2015)

International Nuclear Information System (INIS)

2015-10-01

The IEC Newsletter is prepared by the Incident and Emergency Centre (IEC), Department of Nuclear Safety and Security of the IAEA. The Incident and Emergency Centre (IEC) is the global focal point for emergency preparedness and response for nuclear and radiological safety or security related incidents, emergencies, threats or events of media interest. The IEC is also the world’s centre for coordination of international assistance in emergency. The following topics are presented in this newsletter: Peer Review of UAE’s Emergency Plans for Barakah NPP; IEM 9: Assessment and Prognosis in Response to a Nuclear or Radiological Emergency; Tabletop exercise simulating marime transport emergency; Establishment of EPR Standards Committee; Annual ConvEx-1c; Advisory Mission to Kuwait on medical aspects of EPR; EPR self-assessment for Arab Member States; Event at Cattenom NPP; Train the Trainers Workshop for first responders in Vienna; Member States Preparedness; Republic of Korea joins RANET — USA registers new capabilities; Workshop on Emergency Radiation Monitoring; #EPR15: International Conference on Global EPR; Recent Events

IEC Newsletter, No. 49, Third Quarter 2014

International Nuclear Information System (INIS)

2014-12-01

The IEC Newsletter is prepared by the Incident and Emergency Centre (IEC), Department of Nuclear Safety and Security of the IAEA. The Incident and Emergency Centre (IEC) is the global focal point for emergency preparedness and response for nuclear and radiological safety or security related incidents, emergencies, threats or events of media interest. The IEC is also the world’s centre for coordination of international assistance in emergency. Table of contents: • Spolighting IEC Activities at the 58th IAEA General Conference; • TM on Lessons Learned from Past Emergency Preparedness Review (EPREV) Missions; • Third Full Response Exercise of 2014; • Israel joins RANET; • Launch of Emergency Preparedness Network (EPnet); • IEC Response to Recent Events; Member State Prepaedness; • New Publications Translation; • New USIE Training Video; • The IEC in Numbers

IEC Newsletter, No. 49, Third Quarter 2014

Energy Technology Data Exchange (ETDEWEB)

NONE

2014-12-15

The IEC Newsletter is prepared by the Incident and Emergency Centre (IEC), Department of Nuclear Safety and Security of the IAEA. The Incident and Emergency Centre (IEC) is the global focal point for emergency preparedness and response for nuclear and radiological safety or security related incidents, emergencies, threats or events of media interest. The IEC is also the world’s centre for coordination of international assistance in emergency. Table of contents: • Spolighting IEC Activities at the 58th IAEA General Conference; • TM on Lessons Learned from Past Emergency Preparedness Review (EPREV) Missions; • Third Full Response Exercise of 2014; • Israel joins RANET; • Launch of Emergency Preparedness Network (EPnet); • IEC Response to Recent Events; Member State Prepaedness; • New Publications Translation; • New USIE Training Video; • The IEC in Numbers.

Impact Of IEC Intervention On Knowledge Regarding AIDS Amongst Senior Secondary School Children Of East Delhi

Directory of Open Access Journals (Sweden)

Bhasin S. K

1999-01-01

Full Text Available Research questions: 1. What is the level of awareness regarding HIV/AIDS amongst school children in East Delhi? 2. What is the impact of IEC intervention on the level of awareness regarding HIV/AIDS in these children? Objective: To find out the impact of IEC intervention on awareness regarding HIV/AIDS amongst senior secondary boys and girls in schools of East Delhi. Study design: Pre and post IEC interventional study. Settings: In four randomly selected senior secondary schools in East Delhi. Participants: 294 boys and 333 girls of class XI and XII in pre IEC group and 239 boys and 203 girls in post IEC group. Intervention: An IEC package of exhibition of posters, videotapes and intra group open discussion. Outcome variables: Proportion (prevalence of school children having correct knowledge of various aspects of HIV/AIDS after IEC intervention. Statistical analysis: Chi-square test. Results: IEC intervention significantly generated an enhancing effect on most aspects of their awareness towards HIV/AIDS among both boys and girls. Conclusions: There is an urgent need to impart health education for dispelling misconceptions regarding this disease.

Commercial IEC portable neutron source

International Nuclear Information System (INIS)

Sved, J.

1997-01-01

The inertial electrostatic confinement (IEC) fusion grade plasma devices are being developed as a commercial industrial product by Daimler-Benz Aerospace (DASA), Center Trauen, which has an exclusive license from the University of Illinois (UI) to manufacture the commercial implementation of the Miley et al. IEC inventions. DASA is funding the UI Fusion Studies Laboratory basic IEC research and the intellectual property protection process. The association of the DASA Space Infrastructure division with an apparently unrelated technology has arisen from the perception that IEC technology may benefit from certain aerospace technologies and eventually create a market for space infrastructure services. In addition, DASA Center Trauen has a number of environmental technology businesses

Effective IEC approaches for Asia. IEC evaluation workshop.

Science.gov (United States)

1996-02-01

The UNFPA-supported project on development and distribution of information, education, and communication (IEC) materials in support of improving women's health and status was evaluated at a workshop held in Tokyo in December 13-15, 1995. The 1992-95 cycle of the project was analyzed by experts from Bangladesh, China, India, Indonesia, Malaysia, Nepal, the Philippines, and Vietnam plus three experts from the UNFPA/Country Support Team. The workshop also made it possible for the experts to identify needs as well as effective utilization of existing IEC materials. It was suggested that a nongovernmental organization be established for the distribution and effective use of these materials. The workshop mostly reviewed the print and audiovisual materials. Videos were also evaluated. The materials were found useful for the targeted region. Among other subregional issues it was noted that youth needs were inadequately addressed as they related to sexually transmitted diseases (STDs), unwanted pregnancy, risk of maternal mortality and morbidity, low birth weight, and premature birth. Although the women of the region comprise one-third of the world's population, 70% of the global annual maternal mortality of 500,000 occurs in the subregion. IEC materials should also target adolescents and their support groups. Other needs were also outlined: the expansion of educational opportunities for women, the promotion of employment, the involvement of men, and the training of personnel. The strategies used in the cycle helped strengthen self-reliance through information and experience sharing. The focus on women should be continued with more attention paid to adolescents and young adults, including males. Women's health issues should be expanded to include menopause, reproductive tract infections, STDs, HIV/AIDS prevention, and legal rights including abortion. The production of IEC materials should be identified through research and analysis of existing materials, focus group

Wind turbine power performance verification in complex terrain and wind farms

DEFF Research Database (Denmark)

Friis Pedersen, Troels; Gjerding, S.; Enevoldsen, P.

2002-01-01

is a power performance verification procedure for individual wind turbines. The third is a power performance measurement procedure of whole wind farms, and the fourth is a power performance measurement procedurefor non-grid (small) wind turbines. This report presents work that was made to support the basis......The IEC/EN 61400-12 Ed 1 standard for wind turbine power performance testing is being revised. The standard will be divided into four documents. The first one of these is more or less a revision of the existing document on power performance measurementson individual wind turbines. The second one...... then been investigated in more detail. The work has given rise to a range of conclusionsand recommendations regarding: guaranties on power curves in complex terrain; investors and bankers experience with verification of power curves; power performance in relation to regional correction curves for Denmark...

ISO/IEC 17025–2017 "New requirements to the competence of test and calibration laboratories"

Directory of Open Access Journals (Sweden)

Baranova P. O.

2018-05-01

Full Text Available due to the continuous improvement of the regulatory framework, there is a growing demand for laboratory centers that provide services in the field of testing. The relevance of the topic lies in the transition of laboratories to the new version of ISO/IEC 17025–2017 «General requirements for the competence of test and calibration laboratories». The article compares two versions of the standard, reveals differences and similarities. And changes in the gradation of changes are also highlighted.

IEC 61850. Integrated supervision of auxiliary power equipment; IEC 61850. Prozess und Eigenbedarf wachsen zusammen

Energy Technology Data Exchange (ETDEWEB)

Ostertag, Robert; Jung, Matthias [Siemens AG, Erlangen (Germany)

2009-07-01

It is state of technology today: Having process control and auxiliary power control integrated in one DCS. The integration is based on the international standard IEC 61850 which allows standardization of electrical structures from the process interface up to the DCS level. Modern control systems are designed to realize a system structure according to IEC 61850. A wide range of systems is available from systems with interfaces to realize a standardized data exchange up to systems with a complete integration of the standard IEC 61850. (orig.)

QA Programme of the TLD laboratory of the University of Costa Rica: IEC 61066 testing

International Nuclear Information System (INIS)

Mora, Patricia; Porras Chaverria, Mariela

2008-01-01

The Thermoluminescence Personal Dosimetry Laboratory of the University of Costa Rica provides dose measurements for around 90% of occupational radiation workers in the country. The assessment of doses to workers routinely exposed to external sources of radiation constitutes an integral part of any radiation protection programme and helps national authorities to ensure acceptably safe and satisfactory radiological conditions in workplaces. Harshaw Readers Model 4000 and 4500, dosimeter holders Type 8814 with TLD-100 in 0110 cards and loose TLD-100 chips are used to monitor personal dose equivalent, Hp(10) and Hp(0.07). In order to provide a reliable measurement of the operational quantities, a study was undertaken to verify the fulfillment of international requirements in our system (Model 4500 with cards) against the Thermoluminescence dosimetry systems for personal and environmental monitoring CEI IEC 61066 (1991 -2012). The type tests performed were nine in total: batch homogeneity, reproducibility, linearity, detection threshold, effect of climate conditions on reader, effect of light exposure on dosimeters, isotropy, transient voltage and dropping on dosimeters. A Cesium-137 source was used to irradiate the dosimeters and all procedures follow the indications given on the standard. Results showed that all IEC criteria were met by our Laboratory. Acceptable uncertainties were also studied under the ICRP recommendations; the analysis of the Trumpet Curve was done with satisfactory results (for doses above 0.5 mSv; quotient of measure to real dose less than 3%). For purposes of accreditation (ISO/IEC 17025:2005) and performance testing this work is very relevant since the University of Costa Rica wants to establish a solid individual monitoring programme for external radiation exposure that will provide users, registrants, licensees and regulatory bodies with information that can be used for the optimization of protection and dose limitation of Costa Rican workers

Perancangan SMKI Berdasarkan SNI ISO/IEC27001:2013 dan SNI ISO/IEC27005:2013 (Studi Kasus DPTSI-ITS

Directory of Open Access Journals (Sweden)

Furqon Mauladani

2018-03-01

Full Text Available Institut Teknologi Sepuluh Nopember (ITS adalah salah satu universitas di Surabaya. ITS telah menggunakan TIK untuk keperluan operasional bisnisnya (contohnya isi kartu program studi, proses absensi, pembaharuan informasi, dan lainnya. Penggunaan TIK tidak dapat dipisahkan dari ancaman yang dapat mengganggu operasional TIK. Ancaman terdiri dari ancaman yang berasal dari luar (penyebaran malware, aktifitas social engineering, orang dalam (sengaja, tidak sengaja, kegagalan teknis (kesalahan penggunaan, kegagalan perangkat keras/lunak ataupun bencana alam (kebakaran, gempa, banjir. Metode yang digunakan pada penelitian ini adalah melakukan manajemen resiko keamanan informasi berdasarkan SNI ISO/IEC 27005 dan perancangan dokumen SMKI berdasarkan SNI ISO/IEC 27001. Hasil penelitian ini adalah 60 resiko yang tidak diterima dari total 228 resiko yang telah teridentifikasi. Dari 60 resiko tersebut, terdapat 58 risk modification, 1 risk avoidance, dan 1 risk sharing. Tata kelola keamanan informasi yang dirancang berdasarkan SNI ISO/IEC 27001 adalah ruang lingkup SMKI, kebijakan SMKI, proses penilaian resiko, proses penanganan resiko, statement of applicability, dan sasaran keamanan informasi.

Temporal and energetic downtime losses and its influence on wind farm economics

Energy Technology Data Exchange (ETDEWEB)

Chaves-Schwinteck, P.; Moennich, K. [DEWI, Oldenburg (Germany)

2013-02-15

The work introduced here addresses the assessment of production losses of operating wind turbines. The discussion is based on a comparison of two different methodologies to estimate the energetic losses of wind turbines proposed by IEC on its Technical Specification 61400-26-2. (orig.)

CMMI (Trademark) for Development, Version 1.2

Science.gov (United States)

2006-08-01

IEC TR 12207 Information Technology—Software Life Cycle Processes, 1995. http://www.jtc1-sc7.org. ISO 1998 International Organization for...We also consult other standards as needed, including the following: • ISO 9000 [ ISO 1987] • ISO /IEC 12207 [ ISO 1995] • ISO /IEC 15504 [ ISO 2006... ISO /IEC) body of standards. CMMs focus on improving processes in an organization. They contain the essential elements of effective processes for one

Developing IEC strategies for population programmes.

Science.gov (United States)

Cohen, S I

1993-01-01

The thrust of this article is to define terms of IEC, IEC strategies, the stepwise planning process for IEC, data requirements, the ideational change process, and the need for situational and institutional analysis. A chart provided an at-a-glance perspective on the 11 steps in IEC strategic planning for as many specific target groups as needed. The steps are to state the goals, select and prioritize the target audience, describe the target audience,, determine the IEC activities, outline appropriate messages, identify communication channels, identify managerial and organizational strategies, calculate the amount of resources required, identify a realistic time frame, and evaluate critical factors and obstacles. IEC goals are to contribute to solving a problem or supporting an issue, which involved attitudinal and/or behavioral changes. Many strategies are possible. The common weaknesses are the lack of priorities, the view of targets as a mass audience, a lack in support for population strategies, a lack of integration with family planning or specific population sectors, a lack of integration of up-to-data research findings on population programs, vague or difficult-to-measure objectives, reliance on printed media, and sporadic assessment of personnel needs. THe levels of strategy are identified as follows: 1) national and multisectoral, 2) national and sectoral specific, and 3) project specific. Traditional sociocultural research and KAP surveys are not sufficient to provide an understanding of the target audience. There must be an understanding of the stages of individual change: unaware, aware, concerned, information seeking, learning, motivated to change, initial behavior change, sustained behavior change, and adoption or refusal of behavior change. Beliefs must be distinguished from attitudes in measurement. Changes in beliefs may involve correction of misinformation; attitude change requires a motivational approach. Behavior may be determined by other

Reliability assessment of fatigue critical welded details in wind turbine jacket support structures

DEFF Research Database (Denmark)

Branner, Kim; Stensgaard Toft, Henrik; Haselbach, Philipp Ulrich

2013-01-01

Abaqus. Fatigue stress cycles are computed on the jacket members by applying tower top loads from an aeroelastic simulation with superimposed marine loads and in accordance to the IEC-61400-3 guidelines for operational conditions. The combined effect of the hydrodynamic loads and the rotor loads...

IEC Newsletter, No. 50, Fourth Quarter, 2014

International Nuclear Information System (INIS)

2014-12-01

The IEC Newsletter is prepared by the Incident and Emergency Centre (IEC), Department of Nuclear Safety and Security of the IAEA. The Incident and Emergency Centre (… IEC) is the global focal point for emergency preparedness and response for nuclear and radiological safety or security related incidents, emergencies, threats or events of media interest. The IEC is also the world’s centre for coordination of international assistance in emergency. The following topics are presented in this newsletter: Three Workshops at the Fukushima RANET Capacity Building Centre; Belgium joins RANET; IEC Response to Recent Events; Recent Exercises; Israel conducts National Response Exercise at Soreq; IACRNE: 24th Regular Meeting; Safety Requirements on Emergency Preparedness and Response; NIRS 2014 Workshop on Radiation Emergency Medicine; Member State Preparedness; New Publications and Translations and Forthcoming Events

Implementation of draft IEC Generic Model of Type 1 Wind Turbine Generator in PowerFactory and Simulink

DEFF Research Database (Denmark)

Zhao, Haoran; Wu, Qiuwei; Sørensen, Poul Ejnar

2013-01-01

This paper presents the implementation work of IEC generic model of Type 1 wind turbine generator (WTG) in two commercial simulation tools: DIgSILENT PowerFactory (PF) and Matlab Simulink. The model topology, details of the composite blocks and implementation procedure in PF and Simulink environm......This paper presents the implementation work of IEC generic model of Type 1 wind turbine generator (WTG) in two commercial simulation tools: DIgSILENT PowerFactory (PF) and Matlab Simulink. The model topology, details of the composite blocks and implementation procedure in PF and Simulink...

An IEC standard on quality assurance for diagnostic X-ray systems

International Nuclear Information System (INIS)

Boer, J.A. den

1985-01-01

A presentation is given of some characteristics of the International Electrotechnical Commission (IEC). This is followed by a short discussion of general aspects of quality assurance in the diagnostic department. From this discussion it becomes apparent to which aspects of quality assurance IEC can contribute. Within that framework a working group of Sub-Committee 62 is at present active in developing a standard on quality assurance for diagnostic X-ray systems. The standard will contain a set of constancy tests that is claimed to allow a balanced quality assurance programme. The democratic procedure of IEC should guarantee that the proposed standard gains wide acceptance. (author)

Determination of the detective quantum efficiency (DQE) of CMOS/CsI imaging detectors following the novel IEC 62220-1-1:2015 International Standard

International Nuclear Information System (INIS)

Michail, C.; Valais, I.; Martini, N.; Koukou, V.; Kalyvas, N.; Bakas, A.; Kandarakis, I.; Fountos, G.

2016-01-01

The purpose of the present study was to determine the Detective Quantum Efficiency (DQE) of CMOS imaging detectors, coupled to structured CsI:Tl and Gd_2O_2S:Tb scintillating screens, following the new IEC 62220-1-1:2015 International Standard. DQE was assessed after the experimental determination of the Modulation Transfer Function (MTF) and the Normalized Noise Power Spectrum (NNPS) in the general radiography energy range. Two CMOS sensors were used; one with a pixel size of 22.5 μmcoupled to a columnar CsI:Tl scintillator screen with thickness of 490 μm, which was placed in direct contact with the optical sensor and one with a pixel size of 74.8 μmcoupled to a 200 μmcolumnar CsI:Tl scintillator screen. The MTF was measured using the slanted-edge method (following both the IEC 62220-1:2003 and IEC 62220-1-1:2015 methods) while NNPS was determined by 2D Fourier transforming uniformly exposed images. Both parameters were assessed by irradiation under the RQA-3 and RQA-5 (IEC 62220-1-1:2015) beam qualities. The detector response functions were linear for the exposure ranges under investigation. MTFs calculated following the 62220-1:2003 protocol, were found in all cases overestimated in the higher frequency range (spatial frequencies higher than 2 cycles/mm). DQE values, determined with the IEC 62220-1:2003 method, were also found overestimated (spatial frequencies higher than 2 cycles/mm), due to the influence of both MTF and NNPS. The influence of both additive and multiplicative lag effects were found below 0.005, insuring that lag contributes less than 0.5% of the effective exposure. - Highlights: • DQE was measured with the novel 62220-1-1:2015 protocol and compared to 62220-1:2003. • Two CMOS sensors were evaluated. • DQE of the 62220-1:2003 was overestimated due to the addition of noise when averaging MTFs.

Improving the quality control program for patient dose calibrator according to IEC 60580

International Nuclear Information System (INIS)

Costa, Nathalia Almeida; Potiens, Maria da Penha Albuquerque

2013-01-01

The objective of this work was to improve the program quality control of this equipment based on the International Standard IEC 60580 - Medical electrical equipment - Dose area product meters . The initial program was established following the recommendations of IEC 61674 quoting dosimeters with ionization chambers and / or semiconductor detectors used in diagnostic X-ray image, however, the IEC 60580 is referred specifically to gauges and KAP (kerma-area product) presents additional tests. Tests included: intrinsic relative error, repeatability, scanning resolution, settling time, restarting, float values, response time and spatial uniformity of response. As a rule, all measurements are within the range characteristic of equipment performance. Thus, the PDC (Patient Dose Calibrator) again shows a device with excellent functionality and reliability in characterization tests carried out to quality control as( for the test in clinical PKA meters

IEC 61850: integrating substation automation into the power plant control system; IEC 61850: Integration der Schaltanlagenautomatisierung in die Kraftwerksleittechnik

Energy Technology Data Exchange (ETDEWEB)

Orth, J. [ABB AG, Mannheim (Germany)

2008-07-01

The new communication standard IEC 61850 has been developed in the substation automation domain and was released 2004 as a worldwide standard. Meanwhile IEC 61850 is already established in many substation automation markets. The paper discusses the implementation of IEC 61850 integrating process control and substation automation into one consistent system in a power plant. (orig.)

Developing IEC prototypes for adolescents. IEC workshop.

Science.gov (United States)

1997-01-01

Participants of the IEC Workshop for the Production of OHP Material on Reproductive Health for Adolescents and Young Adults held November 25-30 in Japan developed innovative, visually appealing overhead projector (OHP) transparencies to serve as prototype information, education, and communication (IEC) materials for the Asian Region. The materials cover a wide range of topics from early marriage to unwanted pregnancy. This paper briefly describes the prototypes. One group focused upon early marriage, an issue of considerable importance to the health and welfare of young women in countries such as Bhutan, India, and Nepal. Participants from China, Laos, Malaysia, and Thailand focused upon the issue of gender equality, while a third group developed OHP material to teach a range of issues related to young people's sexual and reproductive health. Finally, the fourth group, drawn from Indonesia, the Philippines, and Vietnam, focused upon the topic of menstruation with a prototype targeted to boys and girls aged 9-14 years. Boys were included to foster their understanding of menstruation as a natural phenomenon.

IEC Newsletter, No. 51, First Quarter, 2015

International Nuclear Information System (INIS)

2015-06-01

The IEC Newsletter is prepared by the Incident and Emergency Centre (IEC), Department of Nuclear Safety and Security of the IAEA. The Incident and Emergency Centre (IEC) is the global focal point for emergency preparedness and response for nuclear and radiological safety or security related incidents, emergencies, threats or events of media interest. The IEC is also the world’s centre for coordination of international assistance in emergency. The following topics are presented in this newsletter: IEM 8; Internal Full Response Exercise; Board of Governors establishes Safety Requirements in EPR as IAEA Safety Standard; ConvEx-2a; EURDEP Meeting; Train the Trainers Workshop on Medical Aspects of EPR; EPR-Medical 2005 Review Process; EPRIMS; Member State Preparedeness; EPREV Mission to Kenya; RENEB Meeting; Update by Finland of its RANET registration; Recent Events; Upgraded IEC videoconferencing infrastracture; EPREG Meeting and Forthcoming Event: EPR Conference

変動風速の相関とSCADAデータを考慮した3次元乱流場の生成

OpenAIRE

Huang, Hélène

2012-01-01

Generation of a turbulent wind field based on prescribed turbulence characteristics is required for physical model-based condition monitoring of wind turbines. Kaimal's and Mann's models are specified in the IEC 61400-1 standard and have been widely used for the design of wind turbines. However, these models cannot directly be used for wind generation for monitoring purposes. Kaimal's model lacks a theoretical background and is incomplete in terms of cross-correlations between different compo...

Inertial Electrostatic Confinement (IEC) devices

International Nuclear Information System (INIS)

Nebel, R.A.; Turner, L.; Tiouririne, T.N.; Barnes, D.C.; Nystrom, W.D.; Bussard, R.W.; Miley, G.H.; Javedani, J.; Yamamoto, Y.

1994-01-01

Inertial Electrostatic Confinement (IEC) is one of the earliest plasma confinement concepts, having first been suggested by P. T. Farnsworth in the 1950s. The concept involves a simple apparatus of concentric spherical electrostatic grids or a combination of grids and magnetic fields. An electrostatic structure is formed from the confluence of electron or ion beams. Gridded IEC systems have demonstrated neutron yields as high as 2 * 10 10 neutrons/sec. These systems have considerable potential as small, inexpensive, portable neutron sources for assaying applications. Neutron tomography is also a potential application. Atomic physics effects strongly influence the performance of all of these systems. Important atomic effects include elastic scattering, ionization, excitation, and charge exchange. This paper discusses how an IEC system is influenced by these effects and how to design around them. Theoretical modeling and experimental results are presented

IEC planning: eight state-of-the-art principles.

Science.gov (United States)

Middleton, J

1983-12-01

Considerable experience and research has been accumulated in the last 20 years on the ways in which information/education/communication (IEC) programs can be effectively designed, implemented, and evaluated. Possibly more effort has focused on population and family planning IEC than on any other sectoral program of development communication. Several principles have emerged which, taken together, define the state of the art in the field. These principles provide a framework of experience which can guide the development of comprehensive IEC programs. They include: policy and resource assessment; audience analysis; strategy design; message research and pretesting; participation and feedback; management; evaluation; and collaboration. The nature of the national policy base for population and family planning programs will determine the goals and approaches of the IEC program. Strong policies of limitation on popultion growth lead to equally strong and pervasive IEC efforts designed to directly affect contraceptive behavior. Assessment of existing policy is an essential aspect of the design of an effective IEC program. Policies establish the rationale and boundaries for action. Population and family planning programs are concerned with some of the most intimate human behavior. Consequently, structured and sensitive audience analysis has become an integral part of the design of IEC programs. The design of communication strategy requires clearly stated objectives. Principles of human learning are used to structure information appropriately. Message research and pretesting have become integral components of the strategy design process. Small scale research on specific objectives is necessary to establish the basis for message design. Audience participation and feedback in remaining phases of program development and implementation are important. The management of an IEC program requires a specific combination of planning, flexibility, and creativity. Evaluation of program

Establishment Of Physicochemical Laboratory Of CANTI In Conformity With The Requirements Of ISO/IEC 17025:2005

International Nuclear Information System (INIS)

Pham Thi Hoang Ha; Phan Thi Luan; Le Thi Thanh Tam; Huynh Thai Kim Ngan; Duong Thi Bich Chi; Vo Thi Ngoc Cam; Ho Tran The Huu; Vo Thi Cuong; Tram Thi Khanh Quynh; Tran Tri Hai; To Ba Cuong

2013-01-01

23 testing methods have been established, compiled and issued in standard forms throughout the Project implementation. Besides, the Laboratory QA/QC system have been set up and put into operation from 01/09/2011. The Laboratory was assessed on 12-13/9/2012 by Bureau of Accreditation, Ministry of Science and Technology and has been certified to conform with the requirements of ISO/IEC 17025:2005 with the accreditation number VILAS 609 in pursuant to the Decision No. 365.2012/QD-VPCNCL dated on 20/12/2012. (author)

Standard IEC 61850 substation automation

Energy Technology Data Exchange (ETDEWEB)

Bricchi, A.; Mezzadri, D. [Selta, Tortoreto (Italy)

2008-07-01

The International Electrotechnical Commission (IEC) 61850 standard is the reference communication protocol for all electrical substations protection and control systems. It creates models of all the elements and functionalities of an electrical substation, including physical elements such as switches or circuit breakers, as well as protection, control and monitoring functionalities. Network managers need to renew power substation automation and control systems in order to improve the efficiency and quality of services offered by electric utilities. Selta has proposed a new integrated solution for the automation of power substations which is fully compliant with the IEC 61850 norms. The solution involves the integration of control, automation, protection, monitoring and maintenance functions and applies leading edge technology to its systems, particularly for the TERNA network. The system is based on the use of many electronic devices at a power plant, each one with a specialized function, and all interconnected via a Station LAN. This solution, was tested on the TERNA network in Italy, in VHV and HV stations. It was shown to offer many advantages, such as an architecture based on full interoperability between control, monitoring and protection equipment; centralized and distributed automation; a LAN station that allows full interoperability between different bay units and protection relays in order to integrate equipment from various suppliers; the integration of automation systems in existing bay units and protection relays equipped with standard communication buses or with proprietary interfaces; and time synchronization for the entire system through a station GPS reception system. 10 refs., 1 tab., 7 figs.

TU-G-213-01: IEC and US Committee Activities and Organizational Structure

Energy Technology Data Exchange (ETDEWEB)

Ibbott, G. [UT MD Anderson Cancer Center (United States)

2015-06-15

The International Electrotechnical Commission (IEC) writes standards that manufacturers of electrical equipment must comply with. Medical electrical equipment, such as medical imaging, radiation therapy, and radiation dosimetry devices, fall under Technical Committee 62. Of particular interest to medical physicists are the standards developed within Subcommittees (SC) 62B, which addresses diagnostic radiological imaging equipment, and 62C, which addresses equipment for radiation therapy, nuclear medicine and dosimetry. For example, a Working Group of SC 62B is responsible for safety and quality assurance standards for CT scanners and a Working Group of SC 62C is responsible for standards that set requirements for dosimetric safety and accuracy of linacs and proton accelerators. IEC standards thus have an impact on every aspect of a medical physicist’s job, including equipment testing, shielding design, room layout, and workflow. Consequently, it is imperative that US medical physicists know about existing standards, as well as have input on those under development or undergoing revision. The structure of the IEC and current standards development work will be described in detail. The presentation will explain how US medical physicists can learn about IEC standards and contribute to their development. Learning Objectives: Learn about the structure of the IEC and the influence that IEC standards have on the design of equipment for radiology and radiation therapy. Learn about the mechanisms by which the US participates in the development and revision of standards. Understand the specific requirements of several standards having direct relevance to diagnostic and radiation therapy physicists.

Design, Fabrication, and Performance Test of a 100-W Helical-Blade Vertical-Axis Wind Turbine at Low Tip-Speed Ratio

Directory of Open Access Journals (Sweden)

Dowon Han

2018-06-01

Full Text Available A 100-W helical-blade vertical-axis wind turbine was designed, manufactured, and tested in a wind tunnel. A relatively low tip-speed ratio of 1.1 was targeted for usage in an urban environment at a rated wind speed of 9 m/s and a rotational speed of 170 rpm. The basic dimensions were determined through a momentum-based design method according to the IEC 61400-2 protocol. The power output was estimated by a mathematical model that takes into account the aerodynamic performance of the NACA0018 blade shape. The lift and drag of the blade with respect to the angle of attack during rotation were calculated using 2D computational fluid dynamics (CFD simulation to take into account stall region. The average power output calculated by the model was 108.34 W, which satisfies the target output of 100 W. The manufactured wind turbine was tested in a large closed-circuit wind tunnel, and the power outputs were measured for given wind speeds. At the design condition, the measured power output was 114.7 W, which is 5.9% higher than that of the mathematical model. This result validates the proposed design method and power estimation by the mathematical model.

Information security in accordance with ISO/IEC 27000

OpenAIRE

Košćak , Damjan

2011-01-01

The diploma assignment discusses Information Technology Security according to standards ISO/IEC 27001 and ISO/IEC 27002. Diploma consists of two parts. In the first part of the diploma a theoretical bases of information security are presented. The second part presents the introduction of ISO/IEC 27001 security standard in the company »X« in wich I performed a practical training. In the closure my diploma work is upgraded with results of my research work and their analysis as well as wit...

Analysis of a provider of proficiency testing by interlaboratory comparisons for dosimetry in function of guides ISO/IEC 43 and ILAC G13

International Nuclear Information System (INIS)

Lohr, J.; Zaretzky, Alba; Stefanic, Amalia M.; Saravi, M.

2009-01-01

The Ionising Radiation Dosimetry Group (CNEA) has participated of the last intercomparison scheme organized by EUROMET. This intercomparison was held starting 2005 until 2008.The objective of this paper is to analyze this Association as a proficiency test provider according to the ISO/IEC Guide 43 (1997) 'Proficiency testing by interlaboratory comparisons' and ILAC G13 Guide (2007) 'Guidelines for the Requirements for the Competence of Providers of Proficiency Testing Schemes'. The analysis of EURAMET (so called since 2007) as the provider of this dosimetric comparison was made taking into account the following sections of the ILAC G13 Guide: Conduct of proficiency testing schemes; Statistical design, Communication with participants and Reports, taking them as essential parameters of the compliance of a proficiency test provider with the general requirements set by the Guides. This intercomparison had special characteristics coming from the participants and the primary objective of the scheme. It is remarkable the important degree of agreement of the organization with Guides ISO/IEC 43 and ILAC G13. (author)

Sophisticated Calculation of the 1oo4-architecture for Safety-related Systems Conforming to IEC61508

International Nuclear Information System (INIS)

Hayek, A; Al Bokhaiti, M; Schwarz, M H; Boercsoek, J

2012-01-01

With the publication and enforcement of the standard IEC 61508 of safety related systems, recent system architectures have been presented and evaluated. Among a number of techniques and measures to the evaluation of safety integrity level (SIL) for safety-related systems, several measures such as reliability block diagrams and Markov models are used to analyze the probability of failure on demand (PFD) and mean time to failure (MTTF) which conform to IEC 61508. The current paper deals with the quantitative analysis of the novel 1oo4-architecture (one out of four) presented in recent work. Therefore sophisticated calculations for the required parameters are introduced. The provided 1oo4-architecture represents an advanced safety architecture based on on-chip redundancy, which is 3-failure safe. This means that at least one of the four channels have to work correctly in order to trigger the safety function.

Effectiveness of Information, Education and Communication (IEC) on ...

African Journals Online (AJOL)

IEC) on the public acceptability of unsafe abortion solution options of contraception, family life education including sex education and liberalization of abortion laws. Our aim was to use IEC to improve public acceptability of the recommended ...

IGF-IEc expression is increased in secondary compared to primary foci in neuroendocrine neoplasms.

Science.gov (United States)

Alexandraki, Krystallenia I; Philippou, Anastassios; Boutzios, Georgios; Theohari, Irini; Koutsilieris, Michael; Delladetsima, Ioanna Kassiani; Kaltsas, Gregory A

2017-10-03

Different Insulin-like growth factor-I (IGF-I) mRNA transcripts are produced by alternative splicing and particularly the IGF-IEc isoform has been implicated in the development and/or progression of various types of cancer. In the present study, we examined the potential role of IGF-IEc expression as a new immunohistochemical marker of aggressiveness in neuroendocrine neoplasms (NENs). We utilized immunohistochemical analysis in tissue specimens of 47 patients with NENs, to evaluate the expression of IGF-IEc (%) and Ki-67 proliferation index (%). Specimens from patients with tumors of different tissue origin, of either primary or metastatic lesions and of different grade were examined. Cytoplasmic IGF-IEc staining was found in 23 specimens of NENs or NECs: 10 pancreatic, 4 small bowel, 3 gastric, 1 lung, 1 uterine and 4 poorly differentiated of unknown primary origin. Ki-67 and IGF-IEc expression was positively correlated in all the samples studied (r=0.31, p=0.03). IGF-1Ec expression was more prevalent in specimens originating from metastatic foci with high Ki-67 compared to primary sites with low Ki-67 expression (p=0.036). These findings suggest a possible role of IGF-IEc in NEN tumorigenesis and progression to metastases that could be used as an additional new marker of a more aggressive behavior and a potential drugable target.

Implementation of IEC Generic Model of Type 1 Wind Turbine Generator in DIgSILENT PowerFactory

DEFF Research Database (Denmark)

Zhao, Haoran; Wu, Qiuwei; Margaris, Ioannis

2013-01-01

The implementation method for the International Electrotechnical Commission (IEC) generic models of Type 1 wind turbine generator (WTG) in DIgSILENT PowerFactory is presented. The following items are described, i.e. model structure, model blocks and how to implement these blocks in the PowerFactory...

Advancements in Wind Energy Metrology - UPWIND 1A2.3

Energy Technology Data Exchange (ETDEWEB)

Pedersen, Troels F.; Wagner, R.

2011-02-15

enough for inclusion in the IEC standard. In relation to the coming IEC standard on performance verification with the use of nacelle anemometry, IEC61400-12-2-CD, nacelle anemometry has been studied, both with experiments and in theory. An alternative to nacelle anemometry has been developed, the socalled spinner anemometer. This type of sensor measures yaw-error with high absolute accuracy, and avoids the draw-backs of nacelle anemometry because the spinner anemometer is positioned in front of the rotor. Advances in classic mast measurement technologies have also been made. A mast flow distortion correction method has been developed to improve classical state of the art mast measurements. Finally, an optical method for measurements of turbine vibrations is considered. (Author)

Inertial electrostatic confinement I(IEC) neutron sources

International Nuclear Information System (INIS)

Nebel, R.A.; Barnes, D.C.; Caramana, E.J.; Janssen, R.D.; Nystrom, W.D.; Tiouririne, T.N.; Trent, B.C.; Miley, G.H.; Javedani, J.

1995-01-01

Inertial Electrostatic Confinement (IEC) is one of the earliest plasma confinement concepts, having first been suggested by P.T. Farnsworth in the 1950s. The concept involves a simple apparatus of concentric spherical electrostatic grids or a combination of grids and magnetic fields. An electrostatic structure is formed from the confluence of electron or ion beams. Gridded IEC systems have demonstrated neutron yields as high as 2*10 [10]. neutrons/sec in steady state. These systems have considerable potential as small, inexpensive, portable neutron sources for assaying applications. Neutron tomography is also a potential application. This paper discusses the IEC concept and how it can be adapted to a steady-state assaying source and an intense pulsed neutron source. Theoretical modeling and experimental results are presented

Implementation and Practical Benefits of ISO/IEC 17025:2005 in a ...

African Journals Online (AJOL)

User

support of top management. ... quality management system, based on ISO/IEC 17025:2005, is achievable if there ... services of an accredited laboratory knowing that their decisions will be .... reports containing test results of the methods included in the Accreditation ..... As XYZ Laboratory is a water and wastewater testing.

ACCUWIND - Methods for classification of cup anemometers

DEFF Research Database (Denmark)

Dahlberg, J.-Å.; Friis Pedersen, Troels; Busche, P.

2006-01-01

the errors associated with the use of cup anemometers, and to develop a classification system for quantification of systematic errors of cup anemometers. This classification system has now been implementedin the IEC 61400-12-1 standard on power performance measurements in annex I and J. The classification...... of cup anemometers requires general external climatic operational ranges to be applied for the analysis of systematic errors. A Class A categoryclassification is connected to reasonably flat sites, and another Class B category is connected to complex terrain, General classification indices are the result...... developed in the CLASSCUP projectand earlier. A number of approaches including the use of two cup anemometer models, two methods of torque coefficient measurement, two angular response measurements, and inclusion and exclusion of influence of friction have been implemented in theclassification process...

Standard Specification for Steel Blades Used with the Photovoltaic Module Surface Cut Test

CERN Document Server

American Society for Testing and Materials. Philadelphia

2009-01-01

1.1 This specification specifies the recommended physical characteristics of the steel blades required for the surface cut test described in ANSI/UL 1703 (Section 24) and IEC 61730-2 (Paragraph 10.3). 1.2 ANSI/UL 1703 and IEC 61730-2 are standards for photovoltaic module safety testing. 1.3 This standard provides additional fabrication details for the surface cut test blades that are not provided in ANSI/UL 1703 or IEC 61730-2. Surface cut test blades that have out-of-tolerance corner radii or burrs are known to cause erroneous test results, either passes or failures. 1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.5 This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

China and IEC international standardization activities

Institute of Scientific and Technical Information of China (English)

Su Zhongmin; Guo Chenguang

2006-01-01

@@ International Electrotechnical Commission (IEC), one of the currently worlswide largest and most authoritative international standardization organizations,is specialized in developing and promulgating international standards for the electric and electronic fields, which are widespread adopted through out the world and play an important role in the international trade of electric and electronic products. Moreover, according to the 2005 statistics by the World Bank, the population of countries participating in the IEC activities accounts for 92% of the world total and their trade volume accounts for 95% of the global total.

Analysis of ISO/IEC 17025 for establishment of KOLAS (Korea Laboratory Accreditation Scheme) quality assurance system

International Nuclear Information System (INIS)

Nam, Ji Hee

2000-12-01

Besides one existent accredited lab, radioactive material chemical analysis lab, five test laboratories and two calibration labs are under plan to acquire the accreditation from KOLAS. But the current Quality Manual was developed according to ISO Guide 25 that was superceded by ISO/IEC 17025. Since it is tailored to the radioactive material chemical analysis lab, a number of requirements of the Manual are not applicable to the labs other than radioactive material chemical analysis lab. Through the analysis of ISO/IEC 17025, a model of quality system was established which is not only consistent with ISO/IEC 17025 but reflective of the KAERI's situation

Inertial electrostatic confinement (IEC) fusion fundamentals and applications

CERN Document Server

Miley, George H

2014-01-01

This book provides readers with an introductory understanding of Inertial Electrostatic Confinement (IEC), a type of fusion meant to retain plasma using an electrostatic field. IEC provides a unique approach for plasma confinement, as it offers a number of spin-off applications, such as a small neutron source for Neutron Activity Analysis (NAA), that all work towards creating fusion power. The IEC has been identified in recent times as an ideal fusion power unit because of its ability to burn aneutronic fuels like p-B11 as a result of its non-Maxwellian plasma dominated by beam-like ions. This type of fusion also takes place in a simple mechanical structure small in size, which also contributes to its viability as a source of power. This book posits that the ability to study the physics of IEC in very small volume plasmas makes it possible to rapidly investigate a design to create a power-producing device on a much larger scale. Along with this hypothesis the book also includes a conceptual experiment propose...

Extreme Response for Wind Turbines

DEFF Research Database (Denmark)

Toft, Henrik Stensgaard; Sørensen, John Dalsgaard

2009-01-01

The characteristic load on wind turbines during operation are among others dependent on the mean wind speed, the turbulence intensity and type and settings of the control system. The characteristic load during operation is normally estimated by statistical extrapolation of a limited number...... of simulated 10min time series of the response according to the wind turbine standard IEC 61400-1. However, this method assumes that the individual 10min time series and the extracted peaks from the time series are independent. In the present paper is this assumption investigated based on field measurements...

Load Extrapolation During Operation for Wind Turbines

DEFF Research Database (Denmark)

Toft, Henrik Stensgaard; Sørensen, John Dalsgaard

2008-01-01

In the recent years load extrapolation for wind turbines has been widely considered in the wind turbine industry. Loads on wind turbines during operations are normally dependent on the mean wind speed, the turbulence intensity and the type and settings of the control system. All these parameters...... must be taken into account when characteristic load effects during operation are determined. In the wind turbine standard IEC 61400-1 a method for load extrapolation using the peak over threshold method is recommended. In this paper this method is considered and some of the assumptions are examined...

Wind Climate Parameters for Wind Turbine Fatigue Load Assessment

DEFF Research Database (Denmark)

Toft, Henrik Stensgaard; Svenningsen, Lasse; Moser, Wolfgang

2016-01-01

Site-specific assessment of wind turbine design requires verification that the individual wind turbine components can survive the site-specific wind climate. The wind turbine design standard, IEC 61400-1 (third edition), describes how this should be done using a simplified, equivalent wind climate...... climate required by the current design standard by comparing damage equivalent fatigue loads estimated based on wind climate parameters for each 10 min time-series with fatigue loads estimated based on the equivalent wind climate parameters. Wind measurements from Boulder, CO, in the United States...

Offshore Wind Turbine Design

DEFF Research Database (Denmark)

Frandsen, Sten; Hansen, Erik Asp; Ibsen, Lars Bo

2006-01-01

Current offshore wind turbine design methods have matured to a 1st generation state, manifested in the draft of a possible standard, IEC 61400-3 (2005). It is now time to investigate the possibilities of improving existing methods. To do so in an efficient manner a clear identification of the most...... important uncertainty drivers specific for offshore wind turbine design loads is required. Describing the initial efforts in a Danish research project, the paper points to focal points for research and development. These are mainly: soil-structure interaction, improved modelling of wave loads from deep...

US-Japan IEC Workshop on Small Plasma and Accelerator Neutron Sources. Final report

International Nuclear Information System (INIS)

Miley, George H.

2008-01-01

The history of IEC development will be briefly described, and some speculation about future directions will be offered. The origin of IEC is due to the brilliance of Phil Farnsworth, inventor of electronic TV in the US. Early experiments were pioneered in the late 1960s by Robert Hirsch who later became head of the DOE fusion program. At that time studies of IEC physics quickly followed at the University of Illinois and at Penn State University. However, despite many successes in this early work, IEC research died as DOE funding stopped in the mid 1980s. In the early 90's, R. W. Bussard of EMC revived work with a new major project based on a magnetic assisted IEC. While doing supportive studies for that project, G. Miley proposed a grided 'STAR mode' IEC as a neutron source for NAA. This concept was later used commercially by Daimler-Benz in Germany to analysis impurities in incoming ores. This represented a first practical application of the IEC. During this period other research groups at LANL, U of Wisconsin and Kyoto University entered IEC research with innovative new concepts and approaches to IEC physics and applications. Much of this work is documented in the present and in past US-Japan Workshops. At present we stand on the threshold of a new area of IEC applications as neutron source, for isotope production, and as a plasma source. These applications provide a way to continue IEC understanding and technology development with the ultimate goal being a fusion power plant. Indeed, a distinguishing feature of the IEC vs. other fusion confinement approaches is the unique opportunity for 'spin off' applications along the way to a power producing plant.

Morphological and Functional Characterization of IL-12Rβ2 Chain on Intestinal Epithelial Cells: Implications for Local and Systemic Immunoregulation.

Science.gov (United States)

Regoli, Mari; Man, Angela; Gicheva, Nadhezda; Dumont, Antonio; Ivory, Kamal; Pacini, Alessandra; Morucci, Gabriele; Branca, Jacopo J V; Lucattelli, Monica; Santosuosso, Ugo; Narbad, Arjan; Gulisano, Massimo; Bertelli, Eugenio; Nicoletti, Claudio

2018-01-01

Interaction between intestinal epithelial cells (IECs) and the underlying immune systems is critical for maintaining intestinal immune homeostasis and mounting appropriate immune responses. We have previously showed that the T helper type 1 (T H 1) cytokine IL-12 plays a key role in the delicate immunological balance in the gut and the lack of appropriate levels of IL-12 had important consequences for health and disease, particularly with regard to food allergy. Here, we sought to understand the role of IL-12 in the regulation of lymphoepithelial cross talk and how this interaction affects immune responses locally and systemically. Using a combination of microscopy and flow cytometry techniques we observed that freshly isolated IECs expressed an incomplete, yet functional IL-12 receptor (IL-12R) formed solely by the IL-12Rβ2 chain that albeit the lack of the complementary IL-12β1 chain responded to ex vivo challenge with IL-12. Furthermore, the expression of IL-12Rβ2 on IECs is strategically located at the interface between epithelial and immune cells of the lamina propria and using in vitro coculture models and primary intestinal organoids we showed that immune-derived signals were required for the expression of IL-12Rβ2 on IECs. The biological relevance of the IEC-associated IL-12Rβ2 was assessed in vivo in a mouse model of food allergy characterized by allergy-associated diminished intestinal levels of IL-12 and in chimeric mice that lack the IL-12Rβ2 chain on IECs. These experimental models enabled us to show that the antiallergic properties of orally delivered recombinant Lactococcus lactis secreting bioactive IL-12 (rLc-IL12) were reduced in mice lacking the IL-12β2 chain on IECs. Finally, we observed that the oral delivery of IL-12 was accompanied by the downregulation of the production of the IEC-derived proallergic cytokine thymic stromal lymphopoietin (TSLP). However, further analysis of intestinal levels of TSLP in IL-12Rβ2 -/- mice suggested

Harmonization of IEEE323 and IEC60780 standards For Environmental Qualificaiton of Electric Equipment

International Nuclear Information System (INIS)

Kim, Jong Seog

2009-01-01

IEEE323 standard has been widely used for the qualification of electric equipment in Asian pacific area while IEC6070 has been mostly used in European area. Since each plant use different standard for environmental qualification, manufacturer has to perform the qualification test twice in accordance with each standard. Problem also can be happened in the plant site when they are going to purchase equipment qualified by different qualification standard which are not used in his plant. The need of harmonization of each standard has been raised several years and it is known that some studies are in progress by IEEE committee. KEPRI has a plan of comparing EQ relative standards of IEEE, IEC and RCC in 2009. In this paper, brief comparing result between IEEE323 and IEC60780 and the proper harmonization method is introduced

Critical issues for implementation of the standard NBR ISO/IEC 17025:2005 in Testing and Calibration Laboratory: case study at a public institution

International Nuclear Information System (INIS)

Castro, Denise Confar Carvalho de

2013-01-01

The public institution aims to promote excellence in public management to contribute to the quality of services provided to its customers and to increase competitiveness in the country, as well as its international projection. A technical barrier to trade that can lead to dissatisfaction and achieve the reputation of the institution is failing the test or calibration results and measurement data, thereby accreditation is regarded as the first essential step to facilitate the mutual acceptance of test results and calibration or measurement data. For recognition, laboratories need to demonstrate full compliance with both the sections of ISO/IEC 17025:2005, i.e. management and technical requirements. This research aims to discuss the critical aspects for implementation of ABNT NBR ISO / IEC 17025:2005 for calibration and testing of a Public Institution seeking accreditation of its laboratories with INMETRO, national accreditation body Laboratories. Besides getting preventive, corrective and improvement actions continues guidelines. Furthermore, the methodology used was to conduct a literature search and apply a questionnaire to identify the degree of agreement / disagreement of the foundations of the standard servers. Analysis of the results showed that the critical issues were: commitment, training, resources (infrastructure, human) and culture. (author)

Approaches to the ISO/IEC 17025 accreditation for Pu and U accountancy analysis

International Nuclear Information System (INIS)

Okazaki, Hiro; Sumi, Mika; Abe, Katsuo; Sato, Mitsuhiro; Kageyama, Tomio

2013-01-01

The quality control section of Plutonium Fuel Development Center (PFDC) of Japan Atomic Energy Agency has been analyzing isotopic compositions by Mass Spectrometry as well as content by Isotope Dilution Mass Spectrometry (IDMS) of plutonium and uranium in nuclear materials. Along with establishing and managing the quality assurance system, ensuring the reliability of the analysis data is important. PFDC has been establishing the quality management system with ISO9001. ISO9001 consists of management requirements for quality system of organizations. While ISO/IEC 17025 consists of technical requirements for the competence of testing and calibration laboratories in addition to the management requirements. The quality control section addressed technical improvement to improve further reliability of analysis quality and we have accredited for ISO/IEC 17025 of isotopic compositions and content of plutonium and uranium in nuclear materials in March 2010. In this presentation, we report our approaches to the ISO/IEC 17025 accreditation and operation status. (author)

Qualidade e educação superior: a norma de qualidade para a aprendizagem, educação e formação: ISO/IEC 19796-1 = Quality and Higher Education: the standard ISO/IEC 19796-1 for learning, education and training

Directory of Open Access Journals (Sweden)

Viebrantz, Rosalir

2009-01-01

Full Text Available Em 2005, uma nova norma de qualidade para a aprendizagem, educação e formação, a ISO/IEC 19796-1, foi publicada. O objetivo desta norma é orientar as organizações educacionais e desenvolver sistemas de qualidade e melhorar a qualidade dos seus processos, produtos e serviços. Este artigo busca entender a norma com base em conceitos de qualidade e na tendência à garantia da qualidade. A ISO/IEC é apresentada de forma sucinta, mostrando a metodologia e suas vantagens para as organizações educacionais. É ressaltado que a norma é um modelo de referência e necessita ser adaptada às necessidades e exigências de cada organização

TU-G-213-02: IEC Subcommittee 62B (Diagnostic Imaging Equipment): Recent and Active Projects

International Nuclear Information System (INIS)

Supanich, M.

2015-01-01

The International Electrotechnical Commission (IEC) writes standards that manufacturers of electrical equipment must comply with. Medical electrical equipment, such as medical imaging, radiation therapy, and radiation dosimetry devices, fall under Technical Committee 62. Of particular interest to medical physicists are the standards developed within Subcommittees (SC) 62B, which addresses diagnostic radiological imaging equipment, and 62C, which addresses equipment for radiation therapy, nuclear medicine and dosimetry. For example, a Working Group of SC 62B is responsible for safety and quality assurance standards for CT scanners and a Working Group of SC 62C is responsible for standards that set requirements for dosimetric safety and accuracy of linacs and proton accelerators. IEC standards thus have an impact on every aspect of a medical physicist’s job, including equipment testing, shielding design, room layout, and workflow. Consequently, it is imperative that US medical physicists know about existing standards, as well as have input on those under development or undergoing revision. The structure of the IEC and current standards development work will be described in detail. The presentation will explain how US medical physicists can learn about IEC standards and contribute to their development. Learning Objectives: Learn about the structure of the IEC and the influence that IEC standards have on the design of equipment for radiology and radiation therapy. Learn about the mechanisms by which the US participates in the development and revision of standards. Understand the specific requirements of several standards having direct relevance to diagnostic and radiation therapy physicists

TU-G-213-02: IEC Subcommittee 62B (Diagnostic Imaging Equipment): Recent and Active Projects

Energy Technology Data Exchange (ETDEWEB)

Supanich, M. [Rush University Medical Center (United States)

2015-06-15

The International Electrotechnical Commission (IEC) writes standards that manufacturers of electrical equipment must comply with. Medical electrical equipment, such as medical imaging, radiation therapy, and radiation dosimetry devices, fall under Technical Committee 62. Of particular interest to medical physicists are the standards developed within Subcommittees (SC) 62B, which addresses diagnostic radiological imaging equipment, and 62C, which addresses equipment for radiation therapy, nuclear medicine and dosimetry. For example, a Working Group of SC 62B is responsible for safety and quality assurance standards for CT scanners and a Working Group of SC 62C is responsible for standards that set requirements for dosimetric safety and accuracy of linacs and proton accelerators. IEC standards thus have an impact on every aspect of a medical physicist’s job, including equipment testing, shielding design, room layout, and workflow. Consequently, it is imperative that US medical physicists know about existing standards, as well as have input on those under development or undergoing revision. The structure of the IEC and current standards development work will be described in detail. The presentation will explain how US medical physicists can learn about IEC standards and contribute to their development. Learning Objectives: Learn about the structure of the IEC and the influence that IEC standards have on the design of equipment for radiology and radiation therapy. Learn about the mechanisms by which the US participates in the development and revision of standards. Understand the specific requirements of several standards having direct relevance to diagnostic and radiation therapy physicists.

Generic dynamic wind turbine models for power system stability analysis: A comprehensive review

DEFF Research Database (Denmark)

Honrubia-Escribano, A.; Gómez-Lázaro, E.; Fortmann, J.

2018-01-01

In recent years, international working groups, mainly from the International Electrotechnical Commission (IEC) and the Western Electricity Coordinating Council (WECC), have made a major effort to develop generic —also known as simplified or standard— dynamic wind turbine models to be used for power...... system stability analysis. These models are required by power system operators to conduct the planning and operation activities of their networks since the use of detailed manufacturer models is not practical. This paper presents a comprehensive review of the work done in this field, based on the results...... obtained by IEC and WECC working groups in the course of their research, which have motivated the publication of the IEC 61400-27 in February 2015. The final published versions of the generic models developed according to the existing four wind turbine technology types are detailed, highlighting...

Experiment data report for Test RIA 1-2 (Reactivity Initiated Accident Test Series)

International Nuclear Information System (INIS)

Zimmermann, C.L.; White, C.E.; Evans, R.P.

1979-06-01

Recorded test data are presented for the second of six planned tests in the Reactivity Initiated Accident (RIA) Test Series I, Test RIA 1-2. This test, conducted at the Power Burst Facility, had the following objectives: (1) characterize the response of preirradiated fuel rods during an RIA event conducted at boiling water reactor hot-startup conditions; and (2) evaluate the effect of rod internal pressure on preirradiated fuel rod response during an RIA event. The data from Test RIA 1-2 are graphed in engineering units and have been appraised for quality and validity. These uninterpreted data are presented for use in the nuclear fuel behavior research field before detailed analysis and interpretation have been completed

Information security for energy automation. IEC 62351 Challenges and possible solutions; Informationsicherheit fuer die Energieautomatisierung. IEC 62351 - Herausforderungen und Loesungsansaetze

Energy Technology Data Exchange (ETDEWEB)

Knorr, K.; Fries, S. [Sector Corporate Technology, Siemens AG, Muenchen (Germany); Seewald, M.G. [Sector Energy, Siemens AG, Nuernberg (Germany)

2008-10-06

Information security has gained tremendous importance for energy automation systems over the last years. New standards like IEC 62351 address this topic and specify technical requirements which have to be met by the vendors. Especially vendors that cover the entire energy automation chain with their product portfolio have to face several new demanding challenges. The authors describe suitable approaches and implementation issues that are derived from selected IEC 62351 requirements following the product lifecycle process. (orig.)

Quality assurance procedures in radiotherapy - IEC specifications for equipment

Energy Technology Data Exchange (ETDEWEB)

Rassow, J; Klieber, E

1986-08-01

The International Electrotechnical Commission (IEC) worked out international standards for requirements and tests of electrical, mechanical and radiation safety as well as for definition and tests of functional performance characteristics of radiotherapy equipments (medical electron accelerators, gamma beam teletherapy and afterloading equipments, simulators and accessories) and for clinical dosimeters and terminology for medical radiology. A survey is given on the actual state of standardization projects. The problems of such standards are shown for the standard for functional performance characteristics of medical electron accelerators as example.

Quality assurance procedures in radiotherapy - IEC specifications for equipment

International Nuclear Information System (INIS)

Rassow, J.; Klieber, E.

1986-01-01

The International Electrotechnical Commission (IEC) worked out international standards for requirements and tests of electrical, mechanical and radiation safety as well as for definition and tests of functional performance characteristics of radiotherapy equipments (medical electron accelerators, gamma beam teletherapy and afterloading equipments, simulators and accessories) and for clinical dosimeters and terminology for medical radiology. A survey is given on the actual state of standardization projects. The problems of such standards are shown for the standard for functional performance characteristics of medical electron accelerators as example. (orig.) [de

Migración de un SGSI basado en ISO/IEC 27001:2005 a la versión ISO/IEC 27001:2013

OpenAIRE

Espol; Rendón Freire, María José

2015-01-01

Este proyecto tiene como objetivo identificar los cambios en los requisitos de la norma ISO/IEC 27001:2013 respecto a la versión 2005, para lograr la actualización de un sistema de gestión de seguridad de la información basado en ISO/IEC 27001:2005 acorde a lo establecido en el nuevo estándar. Guayaquil Magíster en Seguridad Informática Aplicada

Electromagnetic Calculation of Combined Earthing System with Ring Earth Electrode and Vertical Rods for Wind Turbine

Science.gov (United States)

Fujii, Toshiaki; Yasuda, Yoh; Ueda, Toshiaki

With the worldwide spread of wind turbine installations, various problems such as landscape issues, bird strikes and grid connections have arisen. Protection of wind turbines from lightning is cited as one of the main problems. Wind turbines are often struck by lightning because of their open-air locations, such as in mountainous areas, and their special configuration and very-high construction. Especially, low-voltage and control circuits can fail or suffer burnout while blades can incur serious damage if struck by lightning. Wind turbine failures caused by lightning strikes account for approximately 25% of all failures. The problem is regarded as a global one that needs immediate resolution. It is important to understand the impedance characteristics of wind turbine earthing systems from the viewpoint of lightning protection. A report from IEC TR61400-24 recommends a “ring earth electrode”. This was originally defined in IEC 61024 (currently revised and re-numbered as IEC 62305), where such an electrode is recommended to reduce touch and step voltages in households and buildings. IEC TR61400-24 also recommended additional electrodes of vertical or horizontal rods. However, these concepts have not been fully discussed from the viewpoint of its application to wind turbines. To confirm the effect of a combination of a ring earth electrode and additional vertical rods for protection of a wind turbine, this report uses the Finite Difference Time Domain (FDTD) method to present an electromagnetic transient analysis on such a wind turbine earthing system. The results show that an optimal combination can be arranged from viewpoints of lightning protection and construction cost. Thus, this report discusses how to establish a quantitative design methodology of the wind turbine earthing system to provide effective lightning protection.

Atomic processes in Inertial Electrostatic Confinement (IEC) devices

International Nuclear Information System (INIS)

Nebel, R.A.; Turner, L.; Tiouririne, T.N.; Barnes, D.C.; Nystrom, W.D.; Bussard, R.W.; Miley, G.H.; Javedani, J.; Yamamoto, Y.

1993-01-01

Inertial Electrostatic Confinement (IEC) is one of the earliest plasma confinement concepts, having first been suggested by P. T. Farnsworth in the 1950s. The concept involves a simple apparatus of concentric spherical electrostatic grids or a combination of grids and magnetic fields. An electrostatic structure is formed from the confluence of electron or ion beams. Gridded IEC systems have demonstrated neutron yields as high as 2*10 10 neutrons/sec. These systems have considerable potential as small, inexpensive, portable neutron sources for assaying applications. Neutron tomography is also a potential application. Atomic physics effects strongly influence the performance of all of these systems. Important atomic effects include elastic scattering, ionization, excitation, and charge exchange. This paper discusses how an IEC system is influenced by these effects and how to design around them. Theoretical modeling and experimental results are presented

Concept for a high performance MHD airbreathing-IEC fusion rocket

International Nuclear Information System (INIS)

Froning, H.D. Jr.; Miley, G.H.; Nadler, J.; Shaban, Y.; Momota, H.; Burton, E.

2001-01-01

Previous studies have shown that Single-State-to-Orbit (SSTO) vehicle propellant can be reduced by Magnets-Hydro-Dynamic (MHD) processes that minimize airbreathing propulsion losses and propellant consumption during atmospheric flight, and additional reduction in SSTO propellant is enabled by Inertial Electrostatic Confinement (IEC) fusion, whose more energetic reactions reduce rocket propellant needs. MHD airbreathing propulsion during an SSTO vehicle's initial atmospheric flight phase and IEC fusion propulsion during its final exo-atmospheric flight phase is therefore being explored. Accomplished work is not yet sufficient for claiming such a vehicle's feasibility. But takeoff and propellant mass for an MHD airbreathing and IEC fusion vehicle could be as much as 25 and 40 percent less than one with ordinary airbreathing and IEC fusion; and as much as 50 and 70 percent less than SSTO takeoff and propellant mass with MHD airbreathing and chemical rocket propulsion

Concept for a high performance MHD airbreathing-IEC fusion rocket

Science.gov (United States)

Froning, H. D.; Miley, G. H.; Nadler, J.; Shaban, Y.; Momota, H.; Burton, E.

2001-02-01

Previous studies have shown that Single-State-to-Orbit (SSTO) vehicle propellant can be reduced by Magnets-Hydro-Dynamic (MHD) processes that minimize airbreathing propulsion losses and propellant consumption during atmospheric flight, and additional reduction in SSTO propellant is enabled by Inertial Electrostatic Confinement (IEC) fusion, whose more energetic reactions reduce rocket propellant needs. MHD airbreathing propulsion during an SSTO vehicle's initial atmospheric flight phase and IEC fusion propulsion during its final exo-atmospheric flight phase is therefore being explored. Accomplished work is not yet sufficient for claiming such a vehicle's feasibility. But takeoff and propellant mass for an MHD airbreathing and IEC fusion vehicle could be as much as 25 and 40 percent less than one with ordinary airbreathing and IEC fusion; and as much as 50 and 70 percent less than SSTO takeoff and propellant mass with MHD airbreathing and chemical rocket propulsion. .

Calibration Laboratory for Medical Physics towards ISO/ IEC 17025 accreditation: Experience and challenges

International Nuclear Information System (INIS)

Asmaliza Hashim; Abdul Aziz Ramli; Muhammad Jamal Isa; Sharul Azlan Azizan

2011-01-01

Medical Physics Calibration Laboratory is laboratory where placed under Medical Physics Group, Radiation Healthy and Safety Division. This laboratory offers calibration services to their customers that covered doses calibration, tube voltan (kVp), exposure doses, sensitometer and densitometer. After 12 years of operation, it is the right time for this laboratory to upgrade their quality services based on ISO/ IEC 17025. Accreditation scope covered calibration for diagnostic doses only. Starting from 2009, serious effort was done to prepare the quality documents that covered quality manual, quality procedure and work orders. Meanwhile, several series of audit were done by Quality Management Center (QMC), now Innovation Management Center (IMC) with collaboration with Standard Department. This paper works revealed challenges and experience during the process toward ISO/ IEC 17025 accreditation. (author)

The role of the IEC and ISO in radiological protection

International Nuclear Information System (INIS)

White, D.F.

1976-01-01

The history, objectives, structures and functions of the International Electrotechnical Commission (IEC) and the International Organisation for Standardisation (ISO) are summarized. The IEC is affiliated to the ISO as its electrical division, but has technical and financial autonomy. Member countries of the EEC may be committed to the adoption of their formal agreements ('Standards') if these become incorporated as Directives. The national standardisation organisations, such as BSI in the U.K., form national committees and are responsible for submitting to the IEC the co-ordinated national viewpoints on particular subjects. The overall links between the technical committees and sub-committees of the ISO, IEC and BSI in the field of radiological protection are tabulated, and the relevant International Standards produced, or in the course of preparation, by the appropriate committees of the ISO and the IEC are listed. The bulk of the effort of the BSI committees is now aimed at the production of acceptable international standards. Compatible national standards then follow. This policy is in contrast to the earlier initial emphasis on national standards, and the improved international collaboration has had two welcome effects. The selection of proposals for standards is more critical, and compatibility with the relevant ICRP and ICRU publications is almost a prerequisite for any international standard. (U.K.)

IEC Information Bulletin, No. 39, First Quarter 2012

International Nuclear Information System (INIS)

2012-01-01

On 28 March, the Incident and Emergency Centre (IEC) conducted its first Full Response Exercise of 2012. Over 30 staff members from the Department of Nuclear Safety and Security and the Division of Public Information participated. The IEC was activated into full response mode at approximately 9 a.m. This full response lasted most of the day and led up to a 'lessons learned' discussion at the end of the day. Florian Baciu, the IEC Response System Coordinator, noted: ''Although many of the participants were involved in the IAEA response to the accident at TEPCO's Fukushima Daiichi nuclear power plant, this exercise gave them the opportunity to practice procedures which they had not used since then. In addition, we had several staff members relatively new to the IAEA's Incident and Emergency System among the participants.'' Hilaire Mansoux, one of the Emergency Response Managers for the exercise, stated: ''The scenario was quite complex, requiring a good flow of information.'' The IEC staff had developed a scenario in which a meltdown and resulting release of radioactive materials to the environment from a nuclear power plant in a Member State was caused by a criminal act. All outside organizations were represented by the IEC staff in a simulation cell, which periodically contributed information using telephone calls, faxes, emails and messages through the IAEA's Unified System for Information Exchange in Incidents and Emergencies (USIE). The tasks of the IAEA in the area of emergency response were expanded through the mandate given by Member States following the events at Fukushima Daiichi last year. In the area of communication and information dissemination, the IAEA was also given, among other tasks, the mandate to assess emergency situations by providing 'analysis of available information and prognosis of possible scenarios'. Together with other matters, the assessment aspect was addressed in this full response exercise.

Implementing IEC 61850-7-420 DER Logical Nodes in a single board

Directory of Open Access Journals (Sweden)

Anderson Salazar-Zuluaga

2017-09-01

Full Text Available This article discusses the implementation of a variety of logical nodes (LNs of power generation systems based on distributed energy resources (DER in a single board computer (SBC. The SBC allows for the acquisition and encapsulation of analog signals from a photovoltaic (PV array with batteries, based on the IEC 61850-7-420 standard. To achieve this, an SBC integrated with an analog-digital conversion card (ADC enables to read the system’s analog values. The SBC communicates with the ADC card to encapsulate the collected data in the IEC 61850 data object by using the corresponding logical node (LN. An open license library was used to create the IEC 61850 server inside the SBC and the driver of the ADC card manufacturer to communicate both cards. This work aims to develop LNs for DERs in such way that manufacturers of power generation technologies based on renewable sources (such as the sun and/or the wind implement Intelligent Electronic Devices (IED and controllers in accordance with the scope of the standard for these logical nodes (LNs. Finally, the communication testing of the implementation and the results obtained are presented.

IEC Based D-3He Fusion for Space Propulsion

International Nuclear Information System (INIS)

Miley, George H.; Burton, R.; Richardson, N.; Shaban, Y.; Momota, Hiromu

2002-01-01

A preliminary system design is presented for a high performance 100-MWe manned space vehicle in the 500 metric ton class, based on Inertial Electrostatic Fusion (IEC), allowing trip times to the outer planets of several months. An IEC is chosen because it's simplified structure results in a very high power-to-weight ratio. D- 3 He fuel is used to give 14.7-MeV protons as a primary fusion reaction product. Direct conversion of proton energy to electricity is employed, providing a high efficiency. An IEC reactor with a proton energy gain (power in 14.7-MeV protons/input electric power) of 4 or better is assumed. Extrapolation of present laboratory scale IEC experiments to such conditions is possible theoretically, but faces several open issues that require further study such as stability under high-density conditions. The final thruster is based on an NSTAR-extrapolated krypton ion design with a specific impulse of 16,000 seconds and a total thrust of 1020 N. Round trip thrust time for mission set to Jupiter ΔV of 100 km/s is then ∼950 days. (authors)

Can we use IEC 61850 for safety related functions?

Directory of Open Access Journals (Sweden)

Luca Rocca

2016-08-01

Full Text Available Safety is an essential issue for processes that present high risk for human beings and environment. An acceptable level of risk is obtained both with actions on the process itself (risk reduction and with the use of special safety systems that switch the process into safe mode when a fault or an abnormal operation mode happens. These safety systems are today based on digital devices that communicate through digital networks. The IEC 61508 series specifies the safety requirements of all the devices that are involved in a safety function, including the communication network. Also electrical generation and distribution systems are processes that may have a significant level of risk, so the criteria stated by the IEC 61508 applies. Starting from this consideration, the paper analyzes the safety requirement for the communication network and compare them with the services of the communication protocol IEC 61850 that represents the most used protocol for automation of electrical plants. The goal of this job is to demonstrate that, from the technical point of view, IEC 61850 can be used for implementing safety-related functions, even if a formal safety certification is still missing.

Results of the Proficiency Test, PT1 and PT2, 2012

DEFF Research Database (Denmark)

Vendramin, Niccolò; Nicolajsen, Nicole; Christophersen, Maj-Britt

A comparative test of diagnostic procedures was provided by the European Union Reference Laboratory (EURL) for Fish Diseases. The test was divided into proficiency test 1 (PT1) and proficiency test 2 (PT2). The number of National Reference Laboratories (NRLs) participating in PT1 and PT2 was 43. ....... The tests were sent from the EURL in the beginning of September 2012. Both PT1 and PT2 are accredited by DANAK under registration number 515 for proficiency testing according to the quality assurance standard DS/EN ISO/IEC 17043....

Modeling of wind turbines with doubly fed generator system

CERN Document Server

Fortmann, Jens

2014-01-01

Jens Fortmann describes the deduction of models for the grid integration of variable speed wind turbines and the reactive power control design of wind plants. The modeling part is intended as background to understand the theory, capabilities and limitations of the generic doubly fed generator and full converter wind turbine models described in the IEC 61400-27-1 and as 2nd generation WECC models that are used as standard library models of wind turbines for grid simulation software. Focus of the reactive power control part is a deduction of the origin and theory behind the reactive current requ

Cause analysis for unsatisfactory results in proficiency testing activities: a case study of Brazilian calibration laboratories accredited under ISO/IEC 17025:2005⋆

Directory of Open Access Journals (Sweden)

Silva M.A.F.

2013-01-01

Full Text Available This work presents the results of a survey carried out among Brazilian calibration laboratories accredited under ISO/IEC 17025:2005 with the objective to identify how these laboratories investigate the root causes of unsatisfactory results in proficiency testing. The survey was coordinated by the Brazilian accreditation body, the General Coordination for Accreditation (Cgcre, of the Institute of Metrology, Quality and Technology (Inmetro.

Qualification of a Human-System Interface to Meet IEC 61513

International Nuclear Information System (INIS)

Malcom, Scott; Kim, Sun Ho; Macdonald, Marienna

2011-01-01

This paper describes the steps Atomic Energy of Canada Limited (AECL TM ) undertook to qualify its Advanced Control Centre Information System (ACCIS TM ) to meet the requirements of IEC 61513. It will address the different strategies used for software versus hardware. As well, the paper will discuss the steps that have been taken to qualify third-party commercial-off-the-shelf products that are used in conjunction with a qualified product. ACCIS is a display, monitoring and supervisory control system that is designed to be readily configurable and scalable to satisfy the display requirements for single functions or complex industrial plant systems. The ACCIS software services are configured and deployed across a distributed computing environment to meet the needs of a given implementation. From small single-node applications to large, complex, multi-node configurations, system behaviour is largely configured via data specifications. This design reduces the costs associated with development of custom software and allows the user to have greater control of behavioral attributes of the system, including data sampling and storage rates, the appearance and behaviour of displays, alarm annunciation features, and the configuration of system health checks. Utilities and regulators are demanding that these computer-based systems are developed and maintained with an appropriate amount of engineering rigor. To meet this challenge, AECL is qualifying its ACCIS HSI, which is intended for use in all future CANada Nuclear Deuterium (CANDU TM ) nuclear power plants, to meet the requirements of the International Electrotechnical Commission's (IEC) standard for instrumentation and control systems important to safety, IEC 61513. Transitioning to the IEC standards has not been without its challenges. While AECL previously used a software development model very similar to the IEC model, absorbing the volume of the IEC standards and understanding how they should be applied has been

DD fusion neutron production at UW-Madison using IEC devices

Science.gov (United States)

Fancher, Aaron; Michalak, Matt; Kulcinski, Gerald; Santarius, John; Bonomo, Richard

2017-10-01

An inertial electrostatic confinement (IEC) device using spherical, gridded electrodes at high voltage accelerates deuterium ions, allowing for neutrons to be produced within the device from DD fusion reactions. The effects of the device cathode voltage (30-170 kV), current (30-100 mA), and pressure (0.15-1.25 mTorr) on the neutron production rate have been measured. New high voltage capabilities have resulted in the achievement of a steady state neutron production rate of 3.3x108 n/s at 175 kV, 100 mA, and 1.0 mTorr of deuterium. Applications of IEC devices include the production of DD neutrons to detect chemical explosives and special nuclear materials using active interrogation methods. Research supported by US Dept. of Homeland Security Grant 2015-DN-077-AR1095 and the Grainger Foundation.

Results of the Proficiency Test, PT1 and PT2, 2011

DEFF Research Database (Denmark)

Kahns, Søren; Nicolajsen, Nicole; Christophersen, Maj-Britt

2012-01-01

A comparative test of diagnostic procedures was provided by the EU Reference Laboratory (EURL) for Fish Diseases to 41 National Reference Laboratories (NRLs) in the start of middle of October 2011. The test was prepared and tested according to protocols accredited by DANAK under registration numb...... 515 to proficiency testing according to the quality assurance standard DS/EN ISO/IEC 17043. The test consisted of 2 tests: PT1 and PT2....

IEC-based neutron generator for security inspection system

International Nuclear Information System (INIS)

Miley, G.H.; Wu, L.; Kim, H.J.

2005-01-01

Use of a combined X-ray and neutron source for security inspections based on Inertial Electrostatic Confinement (IEC) fusion is discussed. Current inspection systems typically use X-ray techniques, but thermal neutron analysis (TNA) and fast neutron analysis (FNA), allow expanded detection of certain types of explosives. The integrated unit proposed here uses three separate IEC sources producing 14 and 2.45 MeV neutrons plus soft X-rays. This combination allows multiple detection methods with the composite signal analysis being done by a fuzzy logic system, significantly reducing false signals. (author)

Standardization in SEK/IEC 2012; Standardisering inom SEK/IEC 2012

Energy Technology Data Exchange (ETDEWEB)

Olausson, Susanne

2013-02-15

This report describes the work of standardization in the electrotechnical area and collaboration in selected committees of SEK, IEC and CENELEC. Electrotechnical standardization is traditionally an area characterized of large international collaboration, cooperation between government agencies, manufacturers and users. Standardization work has previously been a natural part of power companies' activities related to the extensive expansion activities, own construction business and to generally maintain a good knowledge base of staff. Taking part in the establishment of standards have been a good way to ensure long-term approach made in investments and a guarantee of open competition between manufacturers. Maintenance efforts have also been reduced by using established standards. The acceleration of technological progress has, however, increased pressure on standardization organizations, committee work etc. to keep up with time before the de facto standards have been applied in excessive degree. Reregulation of the electricity market in Sweden has also led to a difference in the standardization process. An increasing number of experts who have worked with standards is currently located at power companies consultancy activities. What was once a natural part of the power companies' internal skills provision today are exposed to a commercial assessment. In 1994 Elforsk was appointed by the owners the task of coordinating the power companies' joint standardization work within specifically electrical engineering. After an initial assessment of the activities was decided that remunera would be paid to the members in SEK, IEC and CENELEC who either participated in selected projects with international character or was either secretary or chairman of the Swedish technical committees (SEK)

A collimator-converter system for IEC propulsion

International Nuclear Information System (INIS)

Momota, Hiromu; Miley, George H.

2002-01-01

The collimator-converter system extracts fusion power from D- 3 He fueled IEC devices and provides electricity needed to operate ionic thrusters and other-power components. The whole system is linear and consists of a series of collimator units at the center, magnetic expander units at both sides of the fusion units, followed by direct energy converters at both ends. This system is enclosed in a vacuum chamber with a magnetic channel provided by magnetic solenoids out of respective chambers. The fusion unit consists of an IEC fusion core, a pair of coils anti-parallel to the solenoid coils, and a stabilization coil that stabilizes the position of coil pair coils. The IEC fusion core is installed at the center of the pair coils. After the magnetic expander, velocities of fusion particles from D- 3 He fueled IEC units are directed to the magnetic channel, which guides energetic fusion particles as well as leaking unburned fuel components to a high-efficiency traveling wave direct energy converter (TWDEC). Leaking unburned fuel components are separated with a magnetic separator at the entrance of a direct energy converter and pumped out for further refueling. A TWDEC is made of an array of metallic meshed grids, each of which is connected to every terminal with an external transmission circuit. The transmission line couples to the direct energy converter. Substations for electricity, a cryogenic plant, and various power control systems are outside of the vacuum chamber. The length of the cylindrical system is essentially determined by the proton energy of 14.8 MeV and the radius should be large so as to reduce power flow density. The present system provides 250 MW f fusion power and converting it to 150 MW c electricity. Its size is 150 m(length)x6.6 m(diameter) in size and 185 tons in weight

Basic Characteristics of IEC Flickermeter Processing

Directory of Open Access Journals (Sweden)

Jarosław Majchrzak

2012-01-01

. This paper presents the results of the numerical simulations that reconstruct the processing of flickermeter in frequency domain. With the use of standard test signals, the characteristics of flickermeter were determined for the case of amplitude modulation of input signal, frequency modulation of input signal, and for input signal with interharmonic component. For the needs of simulative research, elements of standard IEC flickermeter signal chain as well as test signal source and tools for acquisition, archiving, and presentation of the obtained results were modeled. The results were presented with a set of charts, and the specific fragments of the charts were pointed out and commented on. Some examples of the influence of input signal’s bandwidth limitation on the flickermeter measurement result were presented for the case of AM and FM modulation. In addition, the diagrams that enable the evaluation of flickermeter’s linearity were also presented.

Critical issues for implementation of the standard NBR ISO/IEC 17025:2005 in Testing and Calibration Laboratory: case study at a public institution; Aspectos criticos para implantacao da norma NBR ISO/IEC 17025:2005 em laboratorio de ensaio e calibracao: estudo de caso em uma instituicao publica

Energy Technology Data Exchange (ETDEWEB)

Castro, Denise Confar Carvalho de

2013-07-01

The public institution aims to promote excellence in public management to contribute to the quality of services provided to its customers and to increase competitiveness in the country, as well as its international projection. A technical barrier to trade that can lead to dissatisfaction and achieve the reputation of the institution is failing the test or calibration results and measurement data, thereby accreditation is regarded as the first essential step to facilitate the mutual acceptance of test results and calibration or measurement data. For recognition, laboratories need to demonstrate full compliance with both the sections of ISO/IEC 17025:2005, i.e. management and technical requirements. This research aims to discuss the critical aspects for implementation of ABNT NBR ISO / IEC 17025:2005 for calibration and testing of a Public Institution seeking accreditation of its laboratories with INMETRO, national accreditation body Laboratories. Besides getting preventive, corrective and improvement actions continues guidelines. Furthermore, the methodology used was to conduct a literature search and apply a questionnaire to identify the degree of agreement / disagreement of the foundations of the standard servers. Analysis of the results showed that the critical issues were: commitment, training, resources (infrastructure, human) and culture. (author)

Wind turbine power performance verification in complex terrain and wind farms

Energy Technology Data Exchange (ETDEWEB)

Friis Pedersen, T.; Gjerding, S.; Ingham, P.; Enevoldsen, P.; Kjaer Hansen, J.; Kanstrup Joergensen, H.

2002-04-01

The IEC/EN 61400-12 Ed 1 standard for wind turbine power performance testing is being revised. The standard will be divided into four documents. The first one of these is more or less a revision of the existing document on power performance measurements on individual wind turbines. The second one is a power performance verification procedure for individual wind turbines. The third is a power performance measurement procedure of whole wind farms, and the fourth is a power performance measurement procedure for non-grid (small) wind turbines. This report presents work that was made to support the basis for this standardisation work. The work addressed experience from several national and international research projects and contractual and field experience gained within the wind energy community on this matter. The work was wide ranging and addressed 'grey' areas of knowledge regarding existing methodologies, which has then been investigated in more detail. The work has given rise to a range of conclusions and recommendations regarding: guaranties on power curves in complex terrain; investors and bankers experience with verification of power curves; power performance in relation to regional correction curves for Denmark; anemometry and the influence of inclined flow. (au)

TU-G-213-00: The International Electrotechnical Commission (IEC): What Is It and Why Should Medical Physicists Care?

Energy Technology Data Exchange (ETDEWEB)

NONE

2015-06-15

The International Electrotechnical Commission (IEC) writes standards that manufacturers of electrical equipment must comply with. Medical electrical equipment, such as medical imaging, radiation therapy, and radiation dosimetry devices, fall under Technical Committee 62. Of particular interest to medical physicists are the standards developed within Subcommittees (SC) 62B, which addresses diagnostic radiological imaging equipment, and 62C, which addresses equipment for radiation therapy, nuclear medicine and dosimetry. For example, a Working Group of SC 62B is responsible for safety and quality assurance standards for CT scanners and a Working Group of SC 62C is responsible for standards that set requirements for dosimetric safety and accuracy of linacs and proton accelerators. IEC standards thus have an impact on every aspect of a medical physicist’s job, including equipment testing, shielding design, room layout, and workflow. Consequently, it is imperative that US medical physicists know about existing standards, as well as have input on those under development or undergoing revision. The structure of the IEC and current standards development work will be described in detail. The presentation will explain how US medical physicists can learn about IEC standards and contribute to their development. Learning Objectives: Learn about the structure of the IEC and the influence that IEC standards have on the design of equipment for radiology and radiation therapy. Learn about the mechanisms by which the US participates in the development and revision of standards. Understand the specific requirements of several standards having direct relevance to diagnostic and radiation therapy physicists.

Increased IGF-IEc expression and mechano-growth factor production in intestinal muscle of fibrostenotic Crohn's disease and smooth muscle hypertrophy.

Science.gov (United States)

Li, Chao; Vu, Kent; Hazelgrove, Krystina; Kuemmerle, John F

2015-12-01

The igf1 gene is alternatively spliced as IGF-IEa and IGF-IEc variants in humans. In fibrostenotic Crohn's disease, the fibrogenic cytokine TGF-β1 induces IGF-IEa expression and IGF-I production in intestinal smooth muscle and results in muscle hyperplasia and collagen I production that contribute to stricture formation. Mechano-growth factor (MGF) derived from IGF-IEc induces skeletal and cardiac muscle hypertrophy following stress. We hypothesized that increased IGF-IEc expression and MGF production mediated smooth muscle hypertrophy also characteristic of fibrostenotic Crohn's disease. IGF-IEc transcripts and MGF protein were increased in muscle cells isolated from fibrostenotic intestine under regulation by endogenous TGF-β1. Erk5 and MEF2C were phosphorylated in vivo in fibrostenotic muscle; both were phosphorylated and colocalized to nucleus in response to synthetic MGF in vitro. Smooth muscle-specific protein expression of α-smooth muscle actin, γ-smooth muscle actin, and smoothelin was increased in affected intestine. Erk5 inhibition or MEF2C siRNA blocked smooth muscle-specific gene expression and hypertrophy induced by synthetic MGF. Conditioned media of cultured fibrostenotic muscle induced muscle hypertrophy that was inhibited by immunoneutralization of endogenous MGF or pro-IGF-IEc. The results indicate that TGF-β1-dependent IGF-IEc expression and MGF production in patients with fibrostenotic Crohn's disease regulates smooth muscle cell hypertrophy a critical factor that contributes to intestinal stricture formation. Copyright © 2015 the American Physiological Society.

Analysis of Wind Turbine Simulation Models: Assessment of Simplified versus Complete Methodologies: Preprint

Energy Technology Data Exchange (ETDEWEB)

Honrubia-Escribano, A.; Jimenez-Buendia, F.; Molina-Garcia, A.; Fuentes-Moreno, J. A.; Muljadi, Eduard; Gomez-Lazaro, E.

2015-09-14

This paper presents the current status of simplified wind turbine models used for power system stability analysis. This work is based on the ongoing work being developed in IEC 61400-27. This international standard, for which a technical committee was convened in October 2009, is focused on defining generic (also known as simplified) simulation models for both wind turbines and wind power plants. The results of the paper provide an improved understanding of the usability of generic models to conduct power system simulations.

Comparison of API & IEC Standards for Offshore Wind Turbine Applications in the U.S. Atlantic Ocean: Phase II; March 9, 2009 - September 9, 2009

Energy Technology Data Exchange (ETDEWEB)

Jha, A.; Dolan, D.; Gur, T.; Soyoz, S.; Alpdogan, C.

2013-01-01

This report compares two design guidelines for offshore wind turbines: Recommended Practice for Planning, Designing, and Constructing Fixed Offshore Platform Structures and the International Electrotechnical Commission 61400-3 Design Requirements for Offshore Wind Turbines.

Competence Requirements of ISO/IEC Standards for Information Security Professionals

Directory of Open Access Journals (Sweden)

Natalia G. Miloslavskaya

2017-11-01

Full Text Available The rapid progress in the filed of information security (IS puts one in a need of periodic revision of professional competencies (formulated in the federal state educational standards –FSESs and working functions (formulated in the professional standards – PSs. Under these conditions, a timely reaction to everything new that emerges or will appear in modern regulatory documents (primarily in standards is extremely important. We make a forecast for the content of the ISO/IEC 27021 and ISO/IEC 19896 standards drafted by the International Organization for Standardization (ISO, which should contain the requirements for the competencies of IS management system professionals and the competence of IS testers and evaluators. Our forecast takes into account the requirements of the ISO/IEC 27000 standard group and the recommendations of the European e-Competence Framework e-CF 3.0.

Interpretation of MS ISO/ IEC 17020

International Nuclear Information System (INIS)

Mohamad Pauzi Ismail

2012-01-01

MS ISO/ IEC 17020 is an international standard which adopted by Malaysian Standard states the requirement criteria for inspection bodies. The author involved in the NDT technical assessment to several NDT companies in Malaysia. The experience in performing NDT assessment activity is explained and discussed. (author)

Characterization of a test device for determination of the half value layer and of filtration with quality equity of materials in accordance with standard ABNT NBR IEC 60601-1-3

International Nuclear Information System (INIS)

Viana, Vlamir

2012-01-01

The motivation of this work was the development and validation of a device to perform the tests established by ABNT NBR IEC 60601-1-3 versions published in 2001 and 2011. The purpose of the tests is to determine the half-value layer – HVL and filtration with equivalent filtration quality in mmAl, materials that intercept the X-ray beam from their emission to the X-ray image receiving device. This filtration includes all the materials present in radiation source assembly, formed by the x-ray tube housing with x-ray tube inserted, the collimator (inherent filtration) and by materials present in the patients support, as Table and wall bucky, both incorporate image receiving device which is also evaluated. In the development was taken in consideration the routine of tests execution routine, in order to reduce the operator interaction with the system and in order to reduce the human factor in the execution, reflecting directly on the measurement uncertainty, in the runtime reduction of the runtime and radiation safety. The device was validated with respect to: a) Effect of positioning and distribution of the filters in the filter changer device; b) Influence of purity of the aluminum filter used in the device, and c) Comparison tests carried out with the testing device with respect to the tests carried out with a reference X-ray generator. (author)

Establishment of radiation qualities for radiodiagnostics in LCR/UERJ according to IEC 61267 and TRS 457

International Nuclear Information System (INIS)

Silva, D.B. da; Magalhaes, L.A.G.; Estrada, J.J.S.; Pires, E.J.; David, M.G.; Ferreira, N.M.P.D.

2015-01-01

The main goal of this work is to establish the radiation qualities of the Laboratório de Ciências Radiológicas (LCR) conventional X-ray equipment for calibrations in radiodiagnostics according to the recommendations of IEC 61267 and TRS 457. Tests were conducted to evaluate the homogeneity of the radiation field, high voltage applied to the X-ray tube, scattering, half-value layers (HVL) and homogeneity coefficients. The results obtained that characterize the radiation field, satisfy the conditions required by TRS 457. Invasive high voltage measures presented results compatible with the requirements of this standard. The HVL measures showed that for the first HVL the tolerance limits of IEC 61267, and the values for the homogeneity coefficients were within the limits established. The quality tests performed in this work were highly satisfactory in meeting the standard requirements. Thus, the main goal was achieved, and the methodology can be used by other similar X-ray systems. - Highlights: • Establishment the radiation qualities for X-ray calibrations in radiodiagnostics. • Comparison to kV between invasive and noninvasive method. • Determination of additional filtrations suggested by IEC 61267. • Determination of the radiation scattered by the experimental setup as TRS 457. • Determination of HVLs as TRS 457.

Effect of patchouli alcohol on the regulation of heat shock-induced oxidative stress in IEC-6 cells.

Science.gov (United States)

Liu, Xiaoxi; Jiang, Linshu; Liu, Fenghua; Chen, Yuping; Xu, Lei; Li, Deyin; Ma, Yunfei; Li, Huanrong; Xu, Jianqin

2016-08-01

Purpose Patchouli alcohol (PA) is used to treat gastrointestinal dysfunction. The purpose of this study was to ascertain the function of PA in the regulated process of oxidative stress in rat intestinal epithelial cells (IEC-6). Materials and methods Oxidative stress was stimulated by exposing IEC-6 cells to heat shock (42 °C for 3 h). IEC-6 cells in treatment groups were pretreated with various concentrations of PA (10, 40, and 80 ng/mL) for 3 h before heat shock. Results Heat shock caused damage to the morphology of IEC-6 cells, and increased reactive oxygen species (ROS) level and malondialdehyde (MDA) content. Moreover, mRNA and protein expression by target genes related to oxidative stress in heat shock were also altered. Specifically, the mRNA expression by HSP70, HSP90, GSH-px, NRF2 nd HO-1were all increased, and Nrf2 and Keap1 protein expression were increased after heat shock. However, pretreatment with PA weakened the level of damage to the cellular morphology, and decreased the MDA content caused by heat shock, indicating PA had cytoprotective activities. Pretreatment with PA at high dose significantly increased generation of intracellular ROS. Compared with the heat shock group alone, PA pretreatment significantly decreased the mRNA expression by HSP70, HSP90, SOD, CAT, GSH-px, KEAP1 and HO-1. Furthermore, the high dose of PA significantly increased Nrf2 protein expression, while both the intermediate and high dose of PA significantly increased HO-1 protein expression. Conclusion Heat-shock-induced oxidative stress in IEC-6 cells, and PA could alleviate the Nrf2-Keap1 cellular oxidative stress responses.

Remote sensing: best practice

Energy Technology Data Exchange (ETDEWEB)

Brown, Gareth [Sgurr Energy (Canada)

2011-07-01

This paper presents remote sensing best practice in the wind industry. Remote sensing is a technique whereby measurements are obtained from the interaction of laser or acoustic pulses with the atmosphere. There is a vast diversity of tools and techniques available and they offer wide scope for reducing project uncertainty and risk but best practice must take into account versatility and flexibility. It should focus on the outcome in terms of results and data. However, traceability of accuracy requires comparison with conventional instruments. The framework for the Boulder protocol is given. Overviews of the guidelines for IEA SODAR and IEA LIDAR are also mentioned. The important elements of IEC 61400-12-1, an international standard for wind turbines, are given. Bankability is defined based on the Boulder protocol and a pie chart is presented that illustrates the uncertainty area covered by remote sensing. In conclusion it can be said that remote sensing is changing perceptions about how wind energy assessments can be made.

Answering the request for emergency assistance worldwide. The Incident and Emergency Centre (IEC)

International Nuclear Information System (INIS)

2007-01-01

In 2005, the IAEA announced the establishment of a fully integrated Incident and Emergency Centre (IEC). The functions of the IEC include coordinating prompt assistance to requesting States in the case of a nuclear security incident. As the global focal point for international preparedness, communication and response to nuclear and radiological incidents or emergencies irrespective of their cause, the IEC stands at the centre of coordinating effective and efficient activities worldwide. The IEC's work includes the evaluation of emergency plans and assistance in their development. The Centre also develops accident classifications based on plant conditions and supports effective communication between neighbouring countries. In addition, it develops various response procedures and facilitates national exercises on response to reactor emergencies. This includes training a broad range of IAEA staff to respond to emergencies as well as training of external experts. Response to incidents and emergencies can involve the exchange of information, provision of advice and/or the coordination of field response. In order to coordinate a global response, the IEC hosts a Response Assistance Network (RANET) under which Member States, Parties to the Emergency Conventions and relevant international organizations are able to register their response capabilities. This network aims to facilitate assistance in case of a nuclear or radiological incident or emergency in a timely and effective manner. An important component of the global emergency response system is the notification and reporting arrangements and systems operated by the IEC. The IEC operates systems that are reliable and secure. Member States, Non-Member States and international organizations have historically reported events and requests for assistance to the IAEA through the ENATOM arrangements using the ENAC web site, phone or fax. Under these arrangements, States have nominated Competent Authorities and National Warning

Electrical and non-electrical environment of wind turbine main components

DEFF Research Database (Denmark)

Holboell, J.; Henriksen, M.; Olsen, R.S.

of the electrical components or even lead to catastrophic component failure. In the present paper, results are presented from investigations on existing standards which give detailed descriptions of the environmental and operational conditions of wind turbine components. It is found that there is currently a lack...... of application standards for wind turbine electrical equipment. Component-level environmental requirements as given in equipment-specific standards are compared with the environment described in the IEC's 61400 series concerning wind turbines. Based on methods defined in IEC 60721, the non-electrical environment...... of wind turbine is described by means of specific classes. In the paper, new class combinations are suggested covering the different operating conditions the components are exposed to. The class combinations include factors of climatic, mechanical and chemical character. The factors occur in different...

A Generic Role Based Access Control Model for Wind Power Systems

DEFF Research Database (Denmark)

Nagarajan, Anand; Jensen, Christian D.

2010-01-01

energy sources, such as wind turbines, solar energy or wave energy. This introduces important new security challenges that are not adequately addressed by existing approaches to security in the electrical power distribution infrastructure. In this paper we examine some of the security challenges that may......The electrical power infrastructure is facing a transition from a largely centralised distribution infrastructure with a few large power plants to an increasingly distributed infrastructure that must incorporate privately owned and operated power generation units based on fuel cells or sustainable...... arise in the emerging energy distribution infrastructure. In particular, we examine the security problems that arise in the area of wind power communication infrastructures based on the IEC 61400-25 and IEC 62351 standards. These standards define ways of representing elements of the wind power...

Risikomanagement für medizinische Netzwerke in der Intensiv- und Notfallmedizin. Gemeinsames Positionspapier zur Norm IEC 80001-1 [Risk management for medical networks in intensive care and emergency medicine – a joint position paper on IEC 80001-1

Directory of Open Access Journals (Sweden)

Imhoff, Michael

2013-02-01

Full Text Available [english] IEC 80001-1 is an international standard and offers recommendations for a risk management process for medical information technology networks (MITs. MITs are defined as IT networks incorporating at least one medical device. The goal is to build and maintain reliable and secure MITs for hospitals of all kids. To achieve it, the standard suggests applying risk management and defines the roles involved as well as their responsibilities. A central role is the medical IT-network risk manager, assigned by the top management of organizations. He communicates with and mediates between clinical, medical device and IT divisions and compiles risk relevant facts usually distributed among them. All identified risks are analyzed, evaluated and documented in the risk management file along with counter measures and a final assessment of acceptability.We acknowledge that implementing the suggested process will create an overhead cost in documentation and – partly by extension – in personnel. However we believe that the investment at the start of projects is worthwhile, because it helps to prevent or solve problems in later stages. Especially consecutive projects can profit from the investment, reducing required effort and costs. Furthermore, a reliable and secure MIT forms the basis for frictionless routine operations and innovations for connected medical devices. Hence the investment is justified. Applying risk management to the whole cooperation all at once is unrealistic. Focusing on parts of the network, which are crucial to a new project is more recommendable. With a smaller scope, risk management remains feasible and can later be expanded to other parts of the network.IEC 80001-1 demands communication among involved employees from different specialties and divisions. This offers a chance for cooperation to find better decisions and solutions regarding an organization’s medical IT network.[german] Die IEC 80001-1 ist eine Norm, die

76 FR 22030 - Third Party Testing for Certain Children's Products; Toddler Beds: Requirements for Accreditation...

Science.gov (United States)

2011-04-20

... and content of the ILAC-MRA approach and of the requirements of the ISO/IEC 17025:2005 laboratory... to ISO Standard ISO/IEC 17025:2005, ``General Requirements for the Competence of Testing and.... The product \\1\\ was tested by a third party conformity assessment body that was ISO/IEC 17025...

Excerpt from: Testing of radiotherapy dosimeters in accordance with specifications given by IEC publication 731 (1982)

International Nuclear Information System (INIS)

Jaervinen, Hannu; Rantanen, Erkii; Jokela, Kari

1986-01-01

In their position as centres for expertise in radiation dosimetry and its applications, the Secondary Standard Dosimetry Laboratories (SSDLs) are expected to advise the radiation users, the radiotherapy centres in particular, in selection and use of the most suitable dosimetric equipment. Various dosimeters are commercially available, but objective information on their fundamental technical characteristics is lacking. Such information would be valuable and necessary for the SSDLs to be able to judge the accuracy and reliability of the many choices which exist for a given application. The results of systematic evaluations of dosimeters in a recognized SSDL (or SSDLs) could be helpful supplementary information to the other SSDLs and to the radiation users. In 1983 The Finnish Centre for Radiation and Nuclear Safety (STUK; old name: Institute of Radiation Protection) and the International Atomic Energy Agency (IAEA) made a research contract, the purpose of which was to test selected dosimeters for use in radiotherapy in accordance with the specifications by the International Electrotechnical Commission (IEC)

Noise from offshore wind turbines

Energy Technology Data Exchange (ETDEWEB)

Soendergaard, B.; Plovsing, B.

2005-07-01

Noise assessment of wind turbines through calculations is based on sound power levels measured according to e.g. IEC 61400-11. With larger wind turbines and distances some of the calculation models give erroneous results. Noise propagation over water is different from propagation over land. For that reason it is important be able to make valid noise assessments for offshore wind farms. A suggestion for an offshore measurement method is described and a survey of models for noise propagation offshore has been made. (au)

IEC fusion: The future power and propulsion system for space

International Nuclear Information System (INIS)

Hammond, Walter E.; Coventry, Matt; Miley, George H.; Nadler, Jon; Hanson, John; Hrbud, Ivana

2000-01-01

Rapid access to any point in the solar system requires advanced propulsion concepts that will provide extremely high specific impulse, low specific power, and a high thrust-to-power ratio. Inertial Electrostatic Confinement (IEC) fusion is one of many exciting concepts emerging through propulsion and power research in laboratories across the nation which will determine the future direction of space exploration. This is part of a series of papers that discuss different applications of the Inertial Electrostatic Confinement (IEC) fusion concept for both in-space and terrestrial use. IEC will enable tremendous advances in faster travel times within the solar system. The technology is currently under investigation for proof of concept and transitioning into the first prototype units for commercial applications. In addition to use in propulsion for space applications, terrestrial applications include desalinization plants, high energy neutron sources for radioisotope generation, high flux sources for medical applications, proton sources for specialized medical applications, and tritium production

TU-G-213-03: IEC Subcommittee 62C (Equipment for Radiotherapy, Nuclear Medicine and Radiation Dosimetry): Recent and Active Projects

Energy Technology Data Exchange (ETDEWEB)

Culberson, W. [University of Wisconsin - Madison (United States)

2015-06-15

The International Electrotechnical Commission (IEC) writes standards that manufacturers of electrical equipment must comply with. Medical electrical equipment, such as medical imaging, radiation therapy, and radiation dosimetry devices, fall under Technical Committee 62. Of particular interest to medical physicists are the standards developed within Subcommittees (SC) 62B, which addresses diagnostic radiological imaging equipment, and 62C, which addresses equipment for radiation therapy, nuclear medicine and dosimetry. For example, a Working Group of SC 62B is responsible for safety and quality assurance standards for CT scanners and a Working Group of SC 62C is responsible for standards that set requirements for dosimetric safety and accuracy of linacs and proton accelerators. IEC standards thus have an impact on every aspect of a medical physicist’s job, including equipment testing, shielding design, room layout, and workflow. Consequently, it is imperative that US medical physicists know about existing standards, as well as have input on those under development or undergoing revision. The structure of the IEC and current standards development work will be described in detail. The presentation will explain how US medical physicists can learn about IEC standards and contribute to their development. Learning Objectives: Learn about the structure of the IEC and the influence that IEC standards have on the design of equipment for radiology and radiation therapy. Learn about the mechanisms by which the US participates in the development and revision of standards. Understand the specific requirements of several standards having direct relevance to diagnostic and radiation therapy physicists.

Comparison and Analysis of IEEE 344 and IEC 60980 standards for harmonization of seismic qualification of safety-related equipment

International Nuclear Information System (INIS)

Lee, Young Ok; Kim, Jong Seog; Seo, Jeong Ho; Kim, Myung Jun

2011-01-01

The seismic qualification of safety related equipment in nuclear power plants should demonstrate an equipment's ability to perform its safety function during/or after the time it is subjected to the forces resulting from one SSE. In addition, the equipment must withstand the effects of a number of OBEs, preceding the SSE. IEEE 344 and IEC 60980 present the criteria for establishing procedures demonstrating that the Class 1E equipment can meet its performance requirement during seismic events. Currently, IEEE 344 is used for regulation of nuclear power plant in the United State whereas IEC 60980 is mainly used in Europe. In particular, NPPs of France and China apply with RCC-E and GB that are domestic standards, respectively. Equipment supplier and Utility have difficulties because of different applicable standards. Equipment supplier to export S/R components/equipment to other standard area performs additional seismic qualification. For example, equipment are qualifies according to IEC 60980, RCC-E, GB although they have been qualified in accordance with IEEE 344. Also, utility to attempt power up-rate, life extension of NPP constructed under rules of RCC-E such as Ulchin NPP 1 and 2 has similar difficulties. RCC-E endorses IEC 60980 and GB is almost same as IEC 60980 except minor difference of earthquake environment definition. Therefore this paper surveys the similarities and differences between IEEE 344 and IEC 60980. In addition, this paper considers how the two sets of standards may be used in a complementary fashion to be possible using one or the other standard area

Can non-regulators audit Independent Ethic Committees (IEC), and if so, how?

Science.gov (United States)

Dent, N J; Sweatman, W J

A number of guidelines and directives have reinforced the need for a more formalised approach to Independent Ethic Committees (IECs) and support the need to audit IECs. The key elements of an audit of an IEC are reviewed within the context of the European Guidelines for Auditing Independent Ethics Committees published by the European Forum for Good Clinical Practice (EFGCP). Auditing requirements in these recent guidelines and the EU Clinical Trial Directive are discussed as well as the methodology and type of documentation and SOPs that should be present at an audit. It is argued that both inspectorates and independent auditors need to conduct such audits to improve the overall global standard.

The Effect of Additional Mooring Chains on the Motion Performance of a Floating Wind Turbine with a Tension Leg Platform

Directory of Open Access Journals (Sweden)

Jinping Ou

2012-04-01

Full Text Available In this study, two types of floating offshore wind turbine (FOWT systems were proposed: a traditional tension leg platform (TLP type and a new TLP type with additional mooring chains. They were both based on the National Renewable Energy Laboratory 5 MW offshore wind turbine model. Taking the coupled effect of dynamic response of the top wind turbine, tower support structure and lower mooring system into consideration, not only were the 1/60 scale model tests for the two floating wind turbine systems done in HIT’s wind-wave tunnel according to the typical design conditions in IEC61400-3 code, but also the numerical simulations corresponding to the scaled model tests were performed by advanced numerical tools. As a result, the numerical results displayed good agreement with the test data. Moreover, the additional mooring chains could play an active role in reducing the surge displacement, surge acceleration and typical tension leg force responses of the FOWT system, which is very beneficial for ensuring the good operational performance and the safety of the FOWT system.

ITIL and ISO/IEC 20000 a practical handbook

CERN Document Server

Hernandez, Alex

2012-01-01

The purpose of this publication is to provide your organization with a pragmatic approach to effectively implementing service management, incorporating practices from the ITIL framework and the ISO/IEC 20000 standard.

Review and Outlook of China Electronic and IT Industry Footprints in IEC International Standardization Activities

Institute of Scientific and Technical Information of China (English)

Hu Jingping

2006-01-01

@@ Year 2006 is the year marking the 100th anniversary of the founding of International Electrotechnical Commission (IEC). IEC is mainly engaged in the international standardization for electrical and electronic technology field aiming at promoting international trade and technology cooperation and exchange, improving product and service quality, upgrading productivity and protecting the environment as well as human health and safety. Most countries worldwide adopt standards developed and promulgated by IEC, providing a platform to international trade and technical exchange. China has being a member since 1957. Electronic and IT are the most developed and energetic filed in recent decades. Number of IEC TC/SC specialized in electronic and IT amounts up to 52.

ISO/IEC 38500 the IT governance standard

CERN Document Server

Calder, Alan

2008-01-01

The emergence of ISO/IEC 38500 - the international standard for the corporate governance of information and communication technology - puts boards around the world in a position from which they can take effective action to apply core governance principles to their information and communication technology.

Characterisation and classification of RISOe P2546 cup anemometer

Energy Technology Data Exchange (ETDEWEB)

Friis Pedersen, T.

2004-03-01

The characteristics of the RISOe P2546 cup anemometer were investigated in detail, and all data presented in figures and tables. The characteristics include: wind tunnel calibrations, including an accredited calibration; tilt response meas-urements for tilt angles from -40 deg. C to 40 deg. C; gust response measurements at 8m/s, 10,5m/s and 13m/s and turbulence intensities of 10%, 16% and 23%; step response measurements at step wind speeds 4, 8, 12 and 15m/s; measurement of torque characteristics at 8m/s; rotor inertia measurements and measurements of friction of bearings at temperatures -20 deg. C to 40 deg. C. The characteristics are fitted to a time domain cup anemometer model, and the cup anemometer is put into the CLASSCUP classification scheme. The characteristics are also compared to the requirements to cup anemometers in the Danish wind turbine certification system and the CD and CDV of the revision of the standard IEC 61400-12. (au)

Plan de implementación de la ISO/IEC 27001:2013

OpenAIRE

Gorriti Aranguren, Iñaki

2015-01-01

En el desarrollo del proyecto se analizaron las directrices establecidas en la norma ISO/IEC 27001:2013, que especifica los requisitos necesarios para establecer, implantar, mantener y mejorar un SGSI mediante un proceso de mejora continua. In the development there were analyzed the directives established in the norm ISO/IEC27001:2013, which specifies the necessary requirements to establish, to implement, to support and to improve a SGSI by means of a process of constant improvement. En...

Implementation of the OECD principles of good laboratory practice in test facilities complying with a quality system accredited to the ISO/IEC 17025 standard.

Science.gov (United States)

Feller, Etty

2008-01-01

Laboratories with a quality system accredited to the ISO/IEC 17025 standard have a definite advantage, compared to non-accredited laboratories, when preparing their facilities for the implementation of the principles of good laboratory practice (GLP) of the Organisation for Economic Co-operation and Development (OECD). Accredited laboratories have an established quality system covering the administrative and technical issues specified in the standard. The similarities and differences between the ISO/IEC 17025 standard and the OECD principles of GLP are compared and discussed.

Studies on numerical site calibration over complex terrain for wind turbines

Institute of Scientific and Technical Information of China (English)

Daisuke; MATSUSHITA; Hikaru; MATSUMIYA; Yoshinori; HARA; Satoshi; WATANABE; Akinori; FURUKAWA

2010-01-01

The estimation of wind turbine performance over complex terrain is very difficult because of the document of standard IEC61400-12 is adapted for flat or slightly complex topography.And the cost of constructing a meteorological mast is higher with scaling wind turbine up.We have proposed a numerical site calibration(NSC) technique in order to estimate the inflow velocity at the position of wind turbine by using CFD tool to calculate the flow field around the site.The present paper shows the problems for the procedure of NSC in which a commercial nonlinear CFD tool and the improvement method are used to gain a more accurate result.It is clarified that the wind turbine performance which is estimated by using the wind speed on the meteorological mast has a good result for annual energy production.

A primer on the Petri Net Markup Language and ISO/IEC 15909-2

DEFF Research Database (Denmark)

Hillah, L. M.; Kindler, Ekkart; Kordon, F.

2009-01-01

Standard, defines a transfer format for high-level nets. The transfer format defined in Part 2 of ISO/IEC 15909 is (or is based on) the \\emph{Petri Net Markup Language} (PNML), which was originally introduced as an interchange format for different kinds of Petri nets. In ISO/IEC 15909-2, however...

Characterisation and classification of RISØ P2546 cup anemometer

DEFF Research Database (Denmark)

Friis Pedersen, Troels

2003-01-01

The characteristics of the RISØ P2546 cup anemometer were investigated in detail by wind tunnel and laboratory tests. The characteristics include accredited calibration, tilt response measurements for tilt angles between -40° to 40°, gust responsemeasurements at 8m/s and turbulence intensities...... of 10%, 16% and 23%, step response measurements at step wind speeds 3,7, 8, 11,9 and 15,2m/s, measurement of torque characteristics at 8m/s, rotor inertia measurements and measurements of friction ofbearings at temperatures -20°C to 40°C. Characteristics were fitted to a time domain cup anemometer model....... The characteristics were transformed into the CLASSCUP classification scheme, and were related to the cup anemometer requirements in the Danishcertification system and in the IEC 61400-121 Committee Draft....

Characterisation and classification of RISØ P2546 cup anemometer

DEFF Research Database (Denmark)

Friis Pedersen, Troels

2004-01-01

The characteristics of the RISØ P2546 cup anemometer were investigated in detail by wind tunnel and laboratory tests. The characteristics include accredited calibration, tilt response measurements for tilt angles between -40° to 40°, gust responsemeasurements at 8m/s and turbulence intensities...... of 10%, 16% and 23%, step response measurements at step wind speeds 3,7, 8, 11,9 and 15,2m/s, measurement of torque characteristics at 8m/s, rotor inertia measurements and measurements of friction ofbearings at temperatures -20°C to 40°C. Characteristics were fitted to a time domain cup anemometer model....... The characteristics were transformed into the CLASSCUP classification scheme, and were related to the cup anemometer requirements in the Danishcertification system and in the IEC 61400-121 Committee Draft....

Australian Chemistry Test Item Bank: Years 11 & 12. Volume 1.

Science.gov (United States)

Commons, C., Ed.; Martin, P., Ed.

Volume 1 of the Australian Chemistry Test Item Bank, consisting of two volumes, contains nearly 2000 multiple-choice items related to the chemistry taught in Year 11 and Year 12 courses in Australia. Items which were written during 1979 and 1980 were initially published in the "ACER Chemistry Test Item Collection" and in the "ACER…

Experimental Results of A1.2 Test for OECD-ATLAS Project

Energy Technology Data Exchange (ETDEWEB)

Kang, Kyoung-Ho; Bae, Byoung-Uhn; Park, Yu-Sun; Kim, Jong-Rok; Choi, Nam-Hyun; Choi, Ki-Yong [Korea Atomic Energy Research Institute, Daejeon (Korea, Republic of)

2015-10-15

In order to meet the international interests in the multiple high-risk design extension conditions (DECs) raised after the Fukushima accident, KAERI (Korea Atomic Energy Research Institute) is operating an OECD/NEA project (hereafter, OECD-ATLAS project) by utilizing a thermal-hydraulic integral effect test facility, ATLAS (Advanced Thermal-hydraulic Test Loop for Accident Simulation). As for a prolonged SBO transient of the OECD-ATLAS project, two tests, named A1.1 and A1.2, were determined to be performed. In particular, passive safety systems are considered as the most promising alternatives to reinforce the safety and reliability of an ultimate heat removal system without any operator actions in the SBO transients. As one of the new safety improvement concepts to mitigate an SBO accident efficiently, a cooling and operational performance of the passive auxiliary feedwater system (PAFS) is investigated in the framework of the OECD-ATLAS project to produce clearer knowledge of the actual phenomena and to provide the best guidelines for accident management. As the second test of the OECD-ATLAS project, the A1.2 test was conducted to simulate a prolonged SBO with asymmetric secondary cooling through the supply of passive auxiliary feedwater only to SG-2. When the collapsed water level of steam generator reached a wide range of 25%, PAFS was actuated. PAFS played a key role in cooling down the primary system by the heat transfer and the natural circulation. With the actuation of PAFS, the fluid temperatures at the core inlet and outlet started to decrease without any excursion of the maximum heater surface temperature in the core. This integral effect test data of A1.2 test can be used to evaluate the prediction capability of existing safety analysis codes and identify any code deficiency for an SBO simulation with an operation of a passive system such as PAFS.

Auto-Mapping and Configuration Method of IEC 61850 Information Model Based on OPC UA

Directory of Open Access Journals (Sweden)

In-Jae Shin

2016-11-01

Full Text Available The open-platform communication (OPC unified architecture (UA (IEC62541 is introduced as a key technology for realizing a variety of smart grid (SG use cases enabling relevant automation and control tasks. The OPC UA can expand interoperability between power systems. The top-level SG management platform needs independent middleware to transparently manage the power information technology (IT systems, including the IEC 61850. To expand interoperability between the power system for a large number of stakeholders and various standards, this paper focuses on the IEC 61850 for the digital substation. In this paper, we propose the interconnection method to integrate communication with OPC UA and convert OPC UA AddressSpace using system configuration description language (SCL of IEC 61850. We implemented the mapping process for the verification of the interconnection method. The interconnection method in this paper can expand interoperability between power systems for OPC UA integration for various data structures in the smart grid.

Comparison of EMI/RFI requirements to qualify the equipment for nuclear power plant. (RG 1.180, EPRI TR 102323, IEC 62003 and GB/T 11684)

Energy Technology Data Exchange (ETDEWEB)

Jang, Tae Heon [Korea Testing Laboratory, Ansan (Korea, Republic of); Kim, Jong Seog [Research Institute of Korea Electric Power Corporation, Daejeon (Korea, Republic of); Seo, Jeong Ho; Cho, Kyoung Youn [Korea Electric Association, Seoul (Korea, Republic of)

2011-05-15

One issue that has been problematic for new plant equipment and especially for digital instrumentation and control (I and C) systems in recent years is electromagnetic compatibility (EMC). In some reports for nuclear power plant (NPP), electromagnetic interference (EMI), radio frequency interference (RFI), and power surges have been identified as environmental conditions that can affect the performance of safety-related electrical equipment. There are mainly two reference guides for applying to qualify EMI/RFI requirements of the equipment used in a NPP: US NRC RG 1.180 and EPRI TR 102323. Recently, IEC published the standard for the equipment in the NPP, IEC 62003. This paper has compared the requirements of these, including comparing of the requirement of the Chinese national standard, GB/T 11684

Comparison of EMI/RFI requirements to qualify the equipment for nuclear power plant. (RG 1.180, EPRI TR 102323, IEC 62003 and GB/T 11684)

International Nuclear Information System (INIS)

Jang, Tae Heon; Kim, Jong Seog; Seo, Jeong Ho; Cho, Kyoung Youn

2011-01-01

One issue that has been problematic for new plant equipment and especially for digital instrumentation and control (I and C) systems in recent years is electromagnetic compatibility (EMC). In some reports for nuclear power plant (NPP), electromagnetic interference (EMI), radio frequency interference (RFI), and power surges have been identified as environmental conditions that can affect the performance of safety-related electrical equipment. There are mainly two reference guides for applying to qualify EMI/RFI requirements of the equipment used in a NPP: US NRC RG 1.180 and EPRI TR 102323. Recently, IEC published the standard for the equipment in the NPP, IEC 62003. This paper has compared the requirements of these, including comparing of the requirement of the Chinese national standard, GB/T 11684

Scaling of the Inertial Electrostatic Confinement (IEC) for near-term thrusters and future fusion propulsion

International Nuclear Information System (INIS)

Miley, G.; Bromley, B.; Jurczyk, B.; Stubbers, R.; DeMora, J.; Chacon, L.; Gu, Y.

1998-01-01

Inertial Electrostatic Confinement (IEC) is a unique approach to fusion and plasma energy systems that was conceptualized in the 1960s (Hirsch 1967) and has been the focus of recent development in the 1990s (Miley et al. 1995a). In the interests of space power and propulsion systems, conceptual rocket design studies (Bussard and Jameson 1994, Miley et al. 1995b) using the IEC have predicted excellent performance for a variety of space missions, since the power unit avoids the use of magnets and heavy drives resulting in a very high, specific impulse compared to other fusion systems. In their recent survey of prior conceptual design studies of fusion rockets, Williams and Borowski (1997) found that the Bussard IEC conceptual study (the ''QED'' engine) offered a thrust-to-weight ratio of 10 milli-g's, a factor of five higher than conventional magnetic confinement concepts and even slightly above anti-proton micro fission/fusion designs. Thus there is considerable motivation to study IEC concepts for eventual space applications. However, the physics feasibility of the IEC still requires experimental demonstration, and an expanded data base is needed to insure that a power unit can in fact be built

Void fraction instrument software, Version 1,2, Acceptance test report

International Nuclear Information System (INIS)

Gimera, M.

1995-01-01

This provides the report for the void fraction instrument acceptance test software Version 1.2. The void fraction will collect data that will be used to calculate the quantity of gas trapped in waste tanks

Wind turbine power performance measurement with the use of spinner anemometry

DEFF Research Database (Denmark)

Demurtas, Giorgio

The spinner anemometer was patented by DTU in 2004 and licenced to ROMO Wind in 2011. By 2015 the spinner anemometer was installed on several hundred wind turbines for yaw misalignment measurements. The goal of this PhD project was to investigate the feasibility of use of spinner anemometry......-mast and spinner anemometer were then compared. Application of the NTF from one turbine to the other was made with a difference of only 0.38% in AEP. Different methods of analysis of fast sampled measurements such as the Langevin power curve were tested, concluding that the method of bins (IEC61400...... measurements was further improved with an innovation step to calibrate without use of the yaw position sensor, saving cost and time of installing the additional yaw sensor. The so called "wind speed response method" was validated by comparing 27 different calibration tests to the fist methods. This method...

Direct energy conversion for IEC fusion for space applications

International Nuclear Information System (INIS)

Momota, Hiromu; Nadler, Jon; Miley, George H.

2000-08-01

The paper describes a concept of extracting fusion power from D- 3 He fueled IEC (Inertia Electrostatic Configuration) devices. The fusion system consists of a series of fusion modules and direct energy converters at an end or at both ends. This system of multiple units is linear and is connected by a magnetic field. A pair of coils anti-parallel to the magnetic field yields a field-null domain at the center of each unit as required for IEC operation. A stabilizing coil installed between the coil pairs eliminates the strong attractive force between the anti-parallel coils. Accessible regions for charged particle trajectories are essentially isolated from the coil structure. Thus, charged particles are directed along magnetic field lines to the direct energy converter without appreciable losses. A direct energy converter unit designed to be compatible to this unique system is also described. It basically consists of a separator and a traveling wave converter. A separator separates low energy ions and electron from the 14.7 MeV fusion protons and then converts their energy into electricity. In the traveling wave direct energy converter, fusion protons are modulated to form bunches. It couples with a transmission line to couple AC power out. The overall conversion efficiency of this system, combined with E- 3 He IEC cores, is estimated as high as 60%. (author)

Direct energy conversion for IEC fusion for space applications

Energy Technology Data Exchange (ETDEWEB)

Momota, Hiromu; Nadler, Jon [National Inst. for Fusion Science, Toki, Gifu (Japan); Miley, George H. [Fusion Studies Laboratory, Urbana, IL (United States)

2000-08-01

The paper describes a concept of extracting fusion power from D-{sup 3}He fueled IEC (Inertia Electrostatic Configuration) devices. The fusion system consists of a series of fusion modules and direct energy converters at an end or at both ends. This system of multiple units is linear and is connected by a magnetic field. A pair of coils anti-parallel to the magnetic field yields a field-null domain at the center of each unit as required for IEC operation. A stabilizing coil installed between the coil pairs eliminates the strong attractive force between the anti-parallel coils. Accessible regions for charged particle trajectories are essentially isolated from the coil structure. Thus, charged particles are directed along magnetic field lines to the direct energy converter without appreciable losses. A direct energy converter unit designed to be compatible to this unique system is also described. It basically consists of a separator and a traveling wave converter. A separator separates low energy ions and electron from the 14.7 MeV fusion protons and then converts their energy into electricity. In the traveling wave direct energy converter, fusion protons are modulated to form bunches. It couples with a transmission line to couple AC power out. The overall conversion efficiency of this system, combined with E-{sup 3}He IEC cores, is estimated as high as 60%. (author)

Coherence Effects on the Power and Tower Loads of a 7 × 2 MW Multi-Rotor Wind Turbine System

Directory of Open Access Journals (Sweden)

Shigeo Yoshida

2016-09-01

Full Text Available A multi-rotor system (MRS, in which multiple wind turbines are placed on one tower, is a promising concept for super-large wind turbines at over 10 MW due to the cost and weight advantages. The coherence effects on an MRS were investigated in this study. Although a wide range of coherences were measured so far, a decay constant of C = 12 is recommended in the IEC61400-1 standard. Dynamic simulations were performed for a 14-MW MRS, which consists of seven 2-MW turbines and includes wind models with three different coherences. Although the results show that a larger coherence increases the output power and the collective loads due to tower base fore-aft bending, it reduces the differential loads due to tower-base torque and tower-top nodding. The most significant case is the fatigue damage due to tower base fore-aft bending, which was more than doubled between the decay constants of C = 6 and C = 12. The present results indicate that the coherence should be defined carefully in the design of large-scale MRSs because its effect on them is not straightforward.

Internal Audit Status For ISO 9001 And ISO/ IEC 17025 In Malaysian Nuclear Agency

International Nuclear Information System (INIS)

Fazila Said; Nurul Huda Mudri; Nik Arlina Ali

2012-01-01

The development of MS ISO 9001 and MS ISO/ IEC 17025 in Malaysian Nuclear Agency is the basic step to enhance and improve the Quality Management System (QMS) for processes and laboratories that involve customers and suppliers in delivering products and services. The effectiveness of QMS is monitored by Research and Innovation Management Centre (RIMC) to ensure that all activities related to audit such as Internal Audit are well organized and implemented as documented in quality manual and procedure. This paper will discuss the status of internal audit for processes that implement MS ISO 9001 and laboratories that accredited with MS/ ISO IEC 17025 in year 2008, 2009 and 2010. The total of non-conformance (nc) and opportunity for improvement (ofi) for processes and laboratories and their numbers as per clause in MS ISO 9001 and MS ISO/ IEC 17025 are the indicators that reflects the effectiveness of QMS. Then, the total effectiveness of QMS for MS 9001 and MS ISO/ IEC 17025 is also determined via the number of conformance clause versus non-conformance clause for those three years. (author)

Scaling of the Inertial Electrostatic Confinement (IEC) for near-term thrusters and future fusion propulsion

International Nuclear Information System (INIS)

Miley, G.; Bromley, B.; Jurczyk, B.; Stubbers, R.; DeMora, J.; Chacon, L.; Gu, Y.

1998-01-01

Inertial Electrostatic Confinement (IEC) is a unique approach to fusion and plasma energy systems that was conceptualized in the 1960s (Hirsch 1967) and has been the focus of recent development in the 1990s (Miley et al. 1995a). In the interests of space power and propulsion systems, conceptual rocket design studies (Bussard and Jameson 1994, Miley et al. 1995b) using the IEC have predicted excellent performance for a variety of space missions, since the power unit avoids the use of magnets and heavy drives resulting in a very high, specific impulse compared to other fusion systems. In their recent survey of prior conceptual design studies of fusion rockets, Williams and Borowski (1997) found that the Bussard IEC conceptual study (the open-quotes QEDclose quotes engine) offered a thrust-to-weight ratio of 10 milli-g close-quote s, a factor of five higher than conventional magnetic confinement concepts and even slightly above anti-proton micro fission/fusion designs. Thus there is considerable motivation to study IEC concepts for eventual space applications. However, the physics feasibility of the IEC still requires experimental demonstration, and an expanded data base is needed to insure that a power unit can in fact be built. copyright 1998 American Institute of Physics

Evaluation du test rapide oral aware™ omt HIV 1/2 pour le ...

African Journals Online (AJOL)

Chaque participant a fourni un échantillon de fluide oral pour la réalisation du test Aware™ OMT HIV-1/2 et du sang testé suivant l'algorithme séquentiel de tests ELISAs Murex® HIV-1.2.0 (Laboratoires Abbott, Japon) et Test ELISA peptidique maison du CeDReS. Résultats : la sensibilité, la spécificité, la Valeur Prédictive ...

Protective Effect of Wheat Peptides against Indomethacin-Induced Oxidative Stress in IEC-6 Cells

Directory of Open Access Journals (Sweden)

Hong Yin

2014-01-01

Full Text Available Recent studies have demonstrated that wheat peptides protected rats against non-steroidal anti-inflammatory drugs-induced small intestinal epithelial cells damage, but the mechanism of action is unclear. In the present study, an indomethacin-induced oxidative stress model was used to investigate the effect of wheat peptides on the nuclear factor-κB(NF-κB-inducible nitric oxide synthase-nitric oxide signal pathway in intestinal epithelial cells-6 cells. IEC-6 cells were treated with wheat peptides (0, 125, 500 and 2000 mg/L for 24 h, followed by 90 mg/L indomethacin for 12 h. Wheat peptides significantly attenuated the indomethacin-induced decrease in superoxide dismutase and glutathione peroxidase activity. Wheat peptides at 2000 mg/L markedly decreased the expression of the NF-κB in response to indomethacin-induced oxidative stress. This study demonstrated that the addition of wheat peptides to a culture medium significantly inhibited the indomethacin-induced release of malondialdehyde and nitrogen monoxide, and increased antioxidant enzyme activity in IEC-6 cells, thereby providing a possible explanation for the protective effect proposed for wheat peptides in the prevention of indomethacin-induced oxidative stress in small intestinal epithelial cells.

Ovarian Cancer and BRCA1/2 Testing: Opportunities to improve clinical care and disease prevention

Directory of Open Access Journals (Sweden)

Katherine eKarakasis

2016-05-01

Full Text Available Without prevention or screening options available, ovarian cancer is the most lethal malignancy of the female reproductive tract. High grade serous ovarian cancer (HGSOC is the most common histologic subtype, and the role of germline BRCA1/2 mutation in predisposition and prognosis is established. Given the targeted treatment opportunities with PARP inhibitors, a predictive role for BRCA1/2 mutation has emerged. Despite recommendations to provide BRCA1/2 testing to all women with histologically confirmed HGSOC, uniform implementation remains challenging. The opportunity to review and revise genetic screening and testing practices will identify opportunities where universal adoption of BRCA1/2 mutation testing will impact and improve treatment of women with ovarian cancer. Improving education and awareness of genetic testing for women with cancer, as well as the broader general community, will help focus much needed attention on opportunities to advance prevention and screening programs in ovarian cancer. This is imperative not only for women with cancer, those at risk of developing cancer, but also for their first-degree relatives. In addition, BRCA1/2 testing may have direct implications for patients with other types of cancers, many which are now being found to have BRCA1/2 involvement.

Maturity index on reliability: covering non-technical aspects of IEC61508 reliability certification

International Nuclear Information System (INIS)

Brombacher, A.C.

1999-01-01

One of the more recent developments in the field of reliability and safety is the realisation that these aspects are not only a function of the product itself, but also of the organisation realising this product. A second development is a trend from an often predominantly qualitative analysis towards a quantitative analysis. In contrast to the (older) DIN 0801, the (more recent) IEC61508 requires, on product level, also a quantitative analysis and, on organisational level, an assessment of the lifecycle of a product by analysing the (maturity of the) relevant business processes (DIN V VDE 0801. Grundsaetze fuer Rechner in Systemen mit Sicherheitsaufgaben, 1990; DIN V 0801. Grundlegende Sicherheitsbetrachtungen fuer MSR-Schutzeinrichtungen, 1994; DIN V VDE 0801 A1. Grundsaetze fuer Rechner in Systemen mit Sicherheitsaufgaben, Aenderung A1, 1994; IEC 61508 Functional Safety of electrical/electronic/programmable electronic safety-related systems, draft 4.0, 1997). The IEC standard 61508 covers: (i) technical aspects, both on a quantitative and a qualitative level; (ii) organisational aspects, both on aspects of maturity of business processes (quantitative) and on aspects of the definition and application of procedures (qualitative). This paper shows the necessity for an analysis on all aspects in a safety certification process, and presents an overview of the available tools and techniques for the various quadrants. As methods and tools for especially quadrant C are currently unavailable, this paper will propose a method to assess and improve the maturity of an organisation on reliability management: the maturity index on reliability (MIR)

Validation of an indirect ELISA to detect antibodies against BoHV-1 in bovine and guinea-pig serum samples using ISO/IEC 17025 standards.

Science.gov (United States)

Parreño, Viviana; Romera, S Alejandra; Makek, Lucia; Rodriguez, Daniela; Malacari, Darío; Maidana, Silvina; Compaired, Diego; Combessies, Gustavo; Vena, María Marta; Garaicoechea, Lorena; Wigdorovitz, Andrés; Marangunich, Laura; Fernandez, Fernando

2010-10-01

Two ELISAs to quantify antibodies to BoHV-1 in the sera of cattle and immunized guinea pigs were developed and validated using ISO/IEC 17025 standards. The cut-off value of the assay was established at 20% positivity of a high positive control for screening of cattle. Using this threshold, the assay properly classified the OIE bovine reference sera EU1, EU2 and EU3. For vaccine potency testing, a cut-off of 40% was selected for both species. The reliability of the assays, given by their diagnostic sensitivity and specificity, using the threshold of 40% was 89.7% and 100%, respectively, for bovines and 94.9% and 100% for guinea pigs, respectively. There was almost perfect agreement between the ELISA and virus neutralization results. In addition, after vaccination, there was a good correlation between the neutralizing and ELISA antibody titers of the serum from the same bovine or guinea pig, sampled at 60 and 30 days post-vaccination, respectively (R(bovine)=0.88, R(guinea pig)=0.92; p<0.0001). A similar correlation was observed when analyzing the mean antibody titers of groups of vaccinated animals (R(bovine)=0.95 and R(guinea pig)=0.97; p<0.0001), indicating the relevance of the ELISAs for batch to batch vaccine potency testing in the target species and in the laboratory animal model. The intermediate precision of the assays expressed as the relative coefficient of variation (CV) of the positive control assayed over a 3-year period in the same laboratory was 22.2% for bovines and 23.1% for guinea pigs. The reproducibility of both techniques obtained in inter-laboratory assays was CV=12.4% for bovines and CV approximately 0 for guinea pigs, which met the requirements of the OIE (CV<30%). The validated ELISAs represent important methods for vaccine potency testing and for controlling BoHV-1 infections. Copyright (c) 2010 Elsevier B.V. All rights reserved.

Decisional Outcomes of Maternal Disclosure of BRCA1/2 Genetic Test Results to Children

Science.gov (United States)

Tercyak, Kenneth P.; Mays, Darren; DeMarco, Tiffani A.; Peshkin, Beth N.; Valdimarsdottir, Heiddis B.; Schneider, Katherine A.; Garber, Judy E.; Patenaude, Andrea Farkas

2013-01-01

Background Although BRCA1/2 genetic testing is discouraged in minors, mothers may disclose their own results to their children. Factors affecting patients’ disclosure decisions and patient outcomes of disclosure are largely unknown. Methods Mothers (N = 221) of children ages 8-21 enrolled in this prospective study of family communication about cancer genetic testing. Patients underwent BRCA1/2 genetic counseling and testing, and completed standardized behavioral assessments prior to and 1-month following receipt of their results. Results Most patients (62.4%) disclosed BRCA1/2 test results to their child. Patients were more likely to disclose if they received negative or uninformative vs. positive results (OR = 3.11; 95% CI = 1.11 - 8.71; P = .03), their child was ≥ 13 years of age vs. younger (OR = 5.43; 95% CI = 2.18 - 13.53; P Post-decision satisfaction about disclosure was lowest among nondisclosing patients (P information is perceived as beneficial. Satisfaction with disclosure decision-making remains lowest among nondisclosing and conflicted patients. Family communication decision support adjuncts to genetic counseling are needed to help ameliorate these effects. Impact This study describes the prevalence of family communication about maternal BRCA1/2 genetic testing with minor children, and decisions and outcomes of disclosure. PMID:23825307

Estudio de descargas eléctricas atmosféricas sobre aerogeneradores. Parte II

OpenAIRE

Salvador, Darío

2013-01-01

La norma IEC 61400-24:2010 Aerogeneradores - Parte 24: Protección contra el rayo establece una metodología base para la estimación de descargas atmosféricas sobre aerogeneradores individuales. Pero no establece de forma directa una metodología para una agrupación de molinos en un parque eólico que comparten entre sí áreas de captación. Para establecer una predicción válida de los impactos de rayo esperados en un aerogenerador y en el conjunto del parque eólico al que pertenece, se pr...

Reliability Analysis for Adhesive Bonded Composite Stepped Lap Joints Loaded in Fatigue

DEFF Research Database (Denmark)

Kimiaeifar, Amin; Sørensen, John Dalsgaard; Lund, Erik

2012-01-01

-1, where partial safety factors are introduced together with characteristic values. Asymptotic sampling is used to estimate the reliability with support points generated by randomized Sobol sequences. The predicted reliability level is compared with the implicitly required target reliability level defined......This paper describes a probabilistic approach to calculate the reliability of adhesive bonded composite stepped lap joints loaded in fatigue using three- dimensional finite element analysis (FEA). A method for progressive damage modelling is used to assess fatigue damage accumulation and residual...... by the wind turbine standard IEC 61400-1. Finally, an approach for the assessment of the reliability of adhesive bonded composite stepped lap joints loaded in fatigue is presented. The introduced methodology can be applied in the same way to calculate the reliability level of wind turbine blade components...

Characterisation and classification of RISOe P2546 cup anemometer

Energy Technology Data Exchange (ETDEWEB)

Friis Pedersen, T.

2003-04-01

The characteristics of the RISOe P2546 cup anemometer were investigated in detail by wind tunnel and laboratory tests. The characteristics include accredited calibration, tilt response measurements for tilt angles between -40 degC to 40 degC, gust response measurements at 8m/s and turbulence intensities of 10%, 16% and 23%, step response measurements at step wind speeds 3,7, 8, 11,9 and 15,2m/s, measurement of torque characteristics at 8m/s, rotor inertia measurements and measurements of friction of bearings at temperatures -20 degC to 40 degC. Characteristics were fitted to a time domain cup anemometer model. The characteristics were transformed into the CLASSCUP classification scheme, and were related to the cup anemometer requirements in the Danish certification system and in the IEC 61400-121 Committee Draft. (au)

Implementation of IEC Generic Model Type 1 Wind Turbine Generators using RTDS

DEFF Research Database (Denmark)

Cha, Seung-Tae; Wu, Qiuwei; Zhao, Haoran

With the ever increasing penetration of the wind power generation, transmission system operators (TSOs) and distribution system operators (DSOs) are demanding an accurate dynamic wind turbine generator (WTG) models for power system stability studies. However, the confidential requirements from wind...... are useful tools to evaluate the impact of the wind power on the power system stability. Thus, a strong stimulus exists for the development of a generic dynamic model in order to further investigate the dynamic response of WTG under grid disturbances. This paper presents the implementation of the IEC generic...... turbine manufacturers prevent the academia and researchers from working on a real or/and manufacturer specific models. A generic WTG model is of great interest that does not contain the confidential information meanwhile represents the manufacturer specific models. These generic dynamic simulation models...

Which factors predict proposal and uptake of psychological counselling after BRCA1/2 test result disclosure?

Science.gov (United States)

Maheu, Christine; Bouhnik, Anne-Deborah; Nogues, Catherine; Mouret-Fourme, Emmanuelle; Stoppa-Lyonnet, Dominique; Lasset, Christine; Berthet, Pascaline; Fricker, Jean-Pierre; Caron, Olivier; Luporsi, Elizabeth; Gladieff, Laurence; Julian-Reynier, Claire

2014-04-01

The aim of this study is to prospectively determine the factors contributing to whether unaffected women from BRCA1/2 families reported that clinicians proposed psychological consultations and that they had attended these consultations during the genetic testing process. A prospective study was performed on a national cohort, using self-administered questionnaires to determine the rates of proposal and use of psychological services at the time of BRCA1/2 test result disclosure (N = 533) and during the first year after disclosure (N = 478) among unaffected French women from BRCA1/2 families who had undergone genetic testing for BRCA1/2. Multivariate adjustment was carried out using logistic regression models fitted using generalized estimation equations, with the genetic testing centre as the clustering variable. At the time of BRCA1/2 test result disclosure, a psychological consultation was proposed by cancer geneticists to 72% and 32% of the carriers (N = 232) and noncarriers (N = 301), respectively (p disclosure, 21% of the carriers had consulted a psychologist, versus 9% of the noncarriers (p distress they experienced about their genetic test results (proposal AOR: 1.02; 95% CI 1.01-1.03; uptake AOR: 1.04; 95% CI 1.02-1.06) CONCLUSIONS: Determinants of the proposal/uptake of psychological consultations in the BRCA1/2 testing process highlight the need for inventive strategies to reach the different types of women's profiles. Copyright © 2013 John Wiley & Sons, Ltd.

Hybrid Multi-Agent Control in Microgrids: Framework, Models and Implementations Based on IEC 61850

Directory of Open Access Journals (Sweden)

Xiaobo Dou

2014-12-01

Full Text Available Operation control is a vital and complex issue for microgrids. The objective of this paper is to explore the practical means of applying decentralized control by using a multi agent system in actual microgrids and devices. This paper presents a hierarchical control framework (HCF consisting of local reaction control (LRC level, local decision control (LDC level, horizontal cooperation control (HCC level and vertical cooperation control (VCC level to meet different control requirements of a microgrid. Then, a hybrid multi-agent control model (HAM is proposed to implement HCF, and the properties, functionalities and operating rules of HAM are described. Furthermore, the paper elaborates on the implementation of HAM based on the IEC 61850 Standard, and proposes some new implementation methods, such as extended information models of IEC 61850 with agent communication language and bidirectional interaction mechanism of generic object oriented substation event (GOOSE communication. A hardware design and software system are proposed and the results of simulation and laboratory tests verify the effectiveness of the proposed strategies, models and implementations.

Thirty years of international nuclear standards in ISO and IEC

International Nuclear Information System (INIS)

Becker, K.

1991-01-01

Of over 4700 nuclear and radiation protection standards, laws, regulations, recommendations, etc., which have been issued by 52 countries and several governmental international organizations such as IAEA, or non-government organizations such as ICRP, ICRU, ISO and IEC, more than 90% are national, and more than half of those of a non-regulatory nature. Both number and importance of international standards are, however, increasing. The two most important non-governmental international standards organizations are the International Organization for Standardization (ISO), which founded a Technical Committee (TC) 85 'Nuclear Energy' with several Sub-Committees in 1957, and the closely associated International Electrotechnical Commission (IEC) with its TC 45 'Nuclear Instrumentation' formed in 1960. There are over 20 member countries actively participating in the work in each of them, with additional observer countries and liaison to the relevant other international organizations. A brief review is given on some of the experience which has been gained by ISO/TC 85 and IEC/TC 45, and its work program and accomplishments, considering in particular recent developments. It covers nuclear safety and instrumentation, radiation protection, and the nuclear fuel cycle, as well as interface issues including definitions and terminology, interaction of the activities with the work of other national and international bodies, etc. Some problem areas are also briefly discussed. (orig.)

On the Implementation of the IEC 61850 Standard: Will Different Manufacturer Devices Behave Similarly under Identical Conditions?

Directory of Open Access Journals (Sweden)

Mohamad El Hariri

2016-12-01

Full Text Available Standardization in smart grid communications is necessary to facilitate complex operations of modern power system functions. However, the strong coupling between the cyber and physical domains of the contemporary grid exposes the system to vulnerabilities and thus places more burden on standards’ developers. As such, standards need to be continuously assessed for reliability and are expected to be implemented properly on field devices. However, the actual implementation of common standards varies between vendors, which may lead to different behaviors of the devices even if present under similar conditions. The work in this paper tested the implementation of the International Electro-technical Commission’s Generic Object Oriented Substation Event GOOSE (IEC 61850 GOOSE messaging protocol on commercial Intelligent Electronic Devices (IEDs and the open source libiec61850 library—also used in commercial devices—which showed different behaviors in identical situations. Based on the test results and analysis of some features of the IEC 61850 GOOSE protocol itself, this paper proposes guidelines and recommendations for proper implementation of the standard functionalities.

The common information model CIM IEC 61968/61970 and 62325 : a practical introduction to the CIM

CERN Document Server

Uslar, Mathias; Rohjans, Sebastian; Trefke, Jörn; Vasquez Gonzalez, Jose Manuel

2012-01-01

Within the Smart Grid, the combination of automation equipment, communication technology and IT is crucial. Interoperability of devices and systems can be seen as the key enabler of smart grids. Therefore, international initiatives have been started in order to identify interoperability core standards for Smart Grids.   IEC 62357, the so called Seamless Integration Architecture, is one of these very core standards, which has been identified by recent Smart Grid initiatives and roadmaps to be essential for building and managing intelligent power systems. The Seamless Integration Architecture provides an overview of the interoperability and relations between further standards from IEC TC 57 like the IEC 61970/61968: Common Information Model - CIM.   CIM has proven to be a mature standard for interoperability and engineering; consequently, it is a cornerstone of the IEC Smart Grid Standardization Roadmap. This book provides an overview on how the CIM developed, in which international projects and roadmaps is h...

Evolution of IEC/TC 45 works and its sub-committees from 1960 to 1983

International Nuclear Information System (INIS)

Weill, J.

1983-10-01

The IEC, founded in 1906, is an independent international standards organization. Its standardization work deals with almost all branches of electrotechnology in the electrotechnical, electronical and data-processing field, covering all applications, as for example telecommunications and nuclear energy. The IEC Central Office is situated in Geneva (Switzerland). The Technical Committee No. 45 was set up in 1960 at the IEC general meeting in New Delhi, with the scope as given in the IEC Directory. Its revised scope is under consideration in the Committee of Action of the IEC and reads: ''To prepare international standards relating to electrical and electronic equipment and systems specific to nuclear applications''. The chart shows the organigram of the Technical Committee which comprises about 75 experts in the nuclear field from about 20 industrial countries. We can see here the standard diagram of a Technical Committee with its Sub-committees and Working Groups. The meetings are held in a member country at the request of its National Committee. One shows the places of the plenary meetings of TC 45 as well as the meetings of its Sub-committees and their Working Groups held till now. The Technical Committee 45 has in addition to its seven Working Groups also two Sub-committees having several further Working Groups of their own. The Sub-committee 45 A ''Reactor Instrumentation''. The Sub-committee 45 B ''Radiation protection instrumentation''. Till now TC 45 has published about 85 standards. Regarding work in preparation, one shows the present and future work within the Technical Committee and its Sub-committees. Impact of works and liaisons is briefly discussed [fr

Architectural constraints in IEC 61508: Do they have the intended effect?

International Nuclear Information System (INIS)

Lundteigen, Mary Ann; Rausand, Marvin

2009-01-01

The standards IEC 61508 and IEC 61511 employ architectural constraints to avoid that quantitative assessments alone are used to determine the hardware layout of safety instrumented systems (SIS). This article discusses the role of the architectural constraints, and particularly the safe failure fraction (SFF) as a design parameter to determine the hardware fault tolerance (HFT) and the redundancy level for SIS. The discussion is based on examples from the offshore oil and gas industry, but should be relevant for all applications of SIS. The article concludes that architectural constraints may be required to compensate for systematic failures, but the architectural constraints should not be determined based on the SFF. The SFF is considered to be an unnecessary concept

When parents disclose BRCA1/2 test results: their communication and perceptions of offspring response.

Science.gov (United States)

Bradbury, Angela R; Patrick-Miller, Linda; Egleston, Brian L; Olopade, Olufunmilayo I; Daly, Mary B; Moore, Cynthia W; Sands, Colleen B; Schmidheiser, Helen; Kondamudi, Preethi K; Feigon, Maia; Ibe, Comfort N; Daugherty, Christopher K

2012-07-01

BRCA1/2 testing is not recommended for children, as risk reduction measures and screening are not generally recommended before 25 years old (YO). Little is known about the prevalence and predictors of parent communication to offspring and how offspring respond to this communication. Semi-structured interviews were conducted with parents who had BRCA1/2 testing and at least 1 child parents completed interviews (61% response rate), reporting on 505 offspring. Twenty-nine percent of parents were BRCA1/2 mutation carriers. Three hundred thirty-four (66%) offspring learned of their parent's test result. Older offspring age (P ≤ .01), offspring gender (female, P = .05), parents' negative test result (P = .03), and parents' education (high school only, P = .02) were associated with communication to offspring. The most frequently reported initial offspring responses were neutral (41%) or relief (28%). Thirteen percent of offspring were reported to experience concern or distress (11%) in response to parental communication of their test results. Distress was more frequently perceived among offspring learning of their parent's BRCA1/2 positive or variant of uncertain significance result. Many parents communicate their BRCA1/2 test results to young offspring. Parents' perceptions of offspring responses appear to vary by offspring age and parent test result. A better understanding of how young offspring respond to information about hereditary risk for adult cancer could provide opportunities to optimize adaptive psychosocial responses to risk information and performance of health behaviors, in adolescence and throughout an at-risk life span. Copyright © 2012 American Cancer Society.

Validation of powder X-ray diffraction following EN ISO/IEC 17025.

Science.gov (United States)

Eckardt, Regina; Krupicka, Erik; Hofmeister, Wolfgang

2012-05-01

Powder X-ray diffraction (PXRD) is used widely in forensic science laboratories with the main focus of qualitative phase identification. Little is found in literature referring to the topic of validation of PXRD in the field of forensic sciences. According to EN ISO/IEC 17025, the method has to be tested for several parameters. Trueness, specificity, and selectivity of PXRD were tested using certified reference materials or a combination thereof. All three tested parameters showed the secure performance of the method. Sample preparation errors were simulated to evaluate the robustness of the method. These errors were either easily detected by the operator or nonsignificant for phase identification. In case of the detection limit, a statistical evaluation of the signal-to-noise ratio showed that a peak criterion of three sigma is inadequate and recommendations for a more realistic peak criterion are given. Finally, the results of an international proficiency test showed the secure performance of PXRD. © 2012 American Academy of Forensic Sciences.

Consistent integrated automation. Optimized power plant control by means of IEC 61850; Durchgaengig automatisieren. Optimierte Kraftwerksleittechnik durch die Norm IEC 61850

Energy Technology Data Exchange (ETDEWEB)

Orth, J. [ABB AG, Mannheim (Germany). Geschaeftsbereich Power Generation

2007-07-01

Today's power plants are highly automated. All subsystems of large thermal power plants can be controlled from a central control room. The electrical systems are an important part. In future the new standard IEC 61850 will improve the integration of electrical systems into automation of power plants supporting the reduction of operation and maintenance cost. (orig.)

Understanding of BRCA1/2 genetic tests results: the importance of objective and subjective numeracy.

Science.gov (United States)

Hanoch, Yaniv; Miron-Shatz, Talya; Rolison, Jonathan J; Ozanne, Elissa

2014-10-01

The majority of women (71%) who undergo BRCA1/2 testing-designed to identify genetic mutations associated with increased risk of cancer-receive results that are termed 'ambiguous' or 'uninformative negative'. How women interpret these results and the association with numerical ability was examined. In this study, 477 women at increased risk for breast and ovarian cancer were recruited via the Cancer Genetics Network. They were presented with information about the four different possible BRCA1/2 test results-positive, true negative, ambiguous and uninformative negative-and asked to indicate which of six options represents the best response. Participants were then asked which treatment options they thought a woman receiving the results should discuss with her doctor. Finally, participants completed measures of objective and subjective numeracy. Almost all of the participants correctly interpreted the positive and negative BRCA1/2 genetic test results. However, they encountered difficulties interpreting the uninformative and ambiguous BRCA1/2 genetic test results. Participants were almost equally likely to think either that the woman had learned nothing from the test result or that she was as likely to develop cancer as the average woman. Highly numerate participants were more likely to correctly interpret inconclusive test results (ambiguous, OR = 1.62; 95% CI [1.28, 2.07]; p psychological ramifications of genetic testing, healthcare professionals should consider devoting extra effort to ensuring proper comprehension of ambiguous and uninformative negative test results by women. Copyright © 2014 John Wiley & Sons, Ltd.

What Black Women Know and Want to Know About Counseling and Testing for BRCA1/2.

Science.gov (United States)

Adams, Inez; Christopher, Juleen; Williams, Karen Patricia; Sheppard, Vanessa B

2015-06-01

Black women are just as likely to have hereditary breast cancer mutations as White women, yet their participation in genetic counseling and testing is substantially lower. This study sought to describe Black women's awareness and perceptions of BRCA1/2 testing and to identify barriers and motivators to seeking BRCA1/2 services. Fifty intercept interviews were conducted with Black women in public places (a professional women's basketball game, a grocery store, a faith-based community event, and the waiting area at a breast care clinic) in Washington, DC. More than half of the women (54%) were aware that genetic tests to determine risk for certain breast and ovarian cancers exist, but the majority (88%) had never heard of BRCA1/2, specifically. After hearing a description of BRCA1/2 genetic markers, 82% stated that they would agree to BRCA1/2 testing if it was offered to them. Perceived advantages of testing included cancer prevention and the ability to share information with family members. Perceived disadvantages included emotional distress associated with identification of the mutation and the potential misuse of results to deny healthcare or employment. Physician recommendation, self-care, and known family history were among the motivators for testing. Women listed possible media and venues for intervention. In spite of low rates of BRCA1/2 testing in the Black community, women in this sample were open to the idea. Interventions that address barriers and include cultural tailoring are necessary.

Plan de implementación de un SGSI acorde a la norma ISO/IEC 27001:2005

OpenAIRE

Álvarez Verdugo, Joaquín

2014-01-01

Plan de implementación de un SGSI acorde a la norma ISO/IEC 27001:2005 en un organismo público municipal. Pla d'implementació d'un SGSI d'acord amb la norma ISO/IEC 27001:2005 en un organisme públic municipal. Master thesis for the ICT Security management program.

Cytoprotective effects of essential oil of Pinus halepensis L. against aspirin-induced toxicity in IEC-6 cells.

Science.gov (United States)

Bouzenna, Hafsia; Hfaiedh, Najla; Bouaziz, Mouhamed; Giroux-Metges, Marie-Agnès; Elfeki, Abdelfattah; Talarmin, Hélène

2017-12-01

Essential oils from Pinus species have been reported to have various therapeutic properties. This study was undertaken to identify the chemical composition and cytoprotective effects of the essential oil of Pinus halepensis L. against aspirin-induced damage in cells in vitro. The cytoprotection of the oil against toxicity of aspirin on the small intestine epithelial cells IEC-6 was tested. The obtained results have shown that 35 different compounds were identified. Aspirin induced a decrease in cell viability, and exhibited significant damage to their morphology and an increase in superoxide dismutase (SOD) and catalase (CAT) activities. However, the co-treatment of aspirin with the essential oil of Pinus induced a significant increase in cell viability and a decrease in SOD and CAT activities. Overall, these finding suggest that the essential oil of Pinus halepensis L. has potent cytoprotective effect against aspirin-induced toxicity in IEC-6 cells.

47 CFR 2.962 - Requirements for Telecommunication Certification Bodies.

Science.gov (United States)

2010-10-01

... well as compliance with applicable parts of the ISO/IEC Standard 17025 and Guide 65, shall be taken...) The certification system shall be based on type testing as identified in sub-clause 1.2(a) of ISO/IEC... accreditation, meet all the appropriate specifications in ISO/IEC Guide 65 for the scope of equipment it will...

Estimation of Extreme Response and Failure Probability of Wind Turbines under Normal Operation using Probability Density Evolution Method

DEFF Research Database (Denmark)

Sichani, Mahdi Teimouri; Nielsen, Søren R.K.; Liu, W. F.

2013-01-01

Estimation of extreme response and failure probability of structures subjected to ultimate design loads is essential for structural design of wind turbines according to the new standard IEC61400-1. This task is focused on in the present paper in virtue of probability density evolution method (PDEM......), which underlies the schemes of random vibration analysis and structural reliability assessment. The short-term rare failure probability of 5-mega-watt wind turbines, for illustrative purposes, in case of given mean wind speeds and turbulence levels is investigated through the scheme of extreme value...... distribution instead of any other approximate schemes of fitted distribution currently used in statistical extrapolation techniques. Besides, the comparative studies against the classical fitted distributions and the standard Monte Carlo techniques are carried out. Numerical results indicate that PDEM exhibits...

Harmonisation of wind turbine certification in Europe JOULE project EWTC

Energy Technology Data Exchange (ETDEWEB)

Nath, C [Germanischer Lloyd, Hamburg (Germany); Eriksson, C [Det Norske Veritas, Hellerup (Denmark); Hulle, F van [Frans van Hulle, Petten (Netherlands); Skamris, C [Risoe National Lab., Roskilde (Denmark); Stam, W [CIWI Holland, Arnheim (Netherlands); Vionis, P [CRES, Attki (Greece)

1999-03-01

Wind turbine certification requirements are currently fairly divers within Europe. Therefore the leading European certification bodies initiated a JOULE project to harmonise the certification procedure on the basis of the current set of IEC/EN 61400 series standards. The paper presents a review of the state of the art of wind turbine certification in European countries and an outline of the sturcture of the project. The main steps of the project are (a) the collection of differences in certification practices by round robin certification of three wind turbine types; (b) assessment of the different certification results and (c) the development of a harmonised certification procedure. (au) EU-JOULE-3. 19 refs.

IEC 61850 based refurbishment strategies for protection and automation systems

Energy Technology Data Exchange (ETDEWEB)

Tholomier, D. [Areva T and D Automation Canada Inc., Monteal, PQ (Canada); Hossenlopp, L. [Areva T and D Automation Inc., Paris (France); Apostolov, A. [Omicron Electronics, Houston, TX (United States)

2008-07-01

Electric utilities are currently facing the challenge of refurbishing aging transmission networks and power system infrastructure at a time of severe economic, environmental and competitive constraints. This paper addressed the issue of an appropriate approach to retrofit the hardware and software of substation secondary systems, and how IEC standards could be used to set up a long term strategy. The first part of the paper considered an asset management strategy for refurbishing substation secondary systems, while the second part of the paper addressed the strategies for refurbishing existing power plants. The final section of the paper analyzed refurbishment strategies designed to protect power distribution systems. The impact of IEC 61850 and how legacy devices can be integrated in substation automation systems were discussed. It was concluded that new SCADA systems are needed to handle new technology. Additional features like remote control, remote settings, remote disturbance records analysis and remote maintenance are also needed to properly operate the power system. The value of preventive maintenance using remote monitoring systems to determine the status of all the digital electronic devices installed in substation was also discussed. IEC 61850 offers several opportunities to improve grid operation and control. It supports interoperability between protective relays and control devices from different manufacturers in the substation, which is required in order to achieve substation level interlocking, protection and control functions and improve the efficiency of microprocessor based relays applications. This technology has now passed the initial stage of implementation and several projects are underway worldwide. 13 figs.

IEC Newsletter, No. 47, First Quarter 2014

Energy Technology Data Exchange (ETDEWEB)

NONE

2014-05-15

The ConvEx-3 (2013) evaluation meeting - the Fifth Meeting of the Inter-Agency Committee on Radiological and Nuclear Emergencies Working Group on Coordinated International Exercises (IACRNE-WG-CIE) - took place at IAEA Headquarters in Vienna from 11-12 February 2014. Representatives from the Moroccan authorities, members of the IACRNE Working Group on Coordinated International Exercises, exercise chief evaluators, and the chairperson of the National Competent Authority Coordination Group (NCACG) were invited and participated in the meeting. The objectives of the meeting were to evaluate the ConvEx-3 (2013) exercise, to review the draft Exercise Report, and to discuss exercise findings and conclusions. On the first day of the meeting (11 February), the exercise was evaluated by the host country Morocco and by chief evaluators of some international organizations and Member States. National objectives, findings, conclusions and recommendations for emergency preparedness and response improvements were presented and discussed. On the second day (12 February), the Lead Exercise Evaluator and chair of the ICARNE WG-CIE, presented the draft Exercise Report, and proposals for common findings, conclusions and recommendations based on the Chief Evaluator's reports were consolidated. It was also agreed that the revised draft Exercise Report will be distributed for comment and feedback to all chief evaluators who have submitted evaluation reports to the IAEA. The ConvEx-3 exercise was conducted by the Incident and Emergency Centre (IEC) on 20-21 November 2013. Fifty-nine Member States (including Morocco) and ten international organizations (including the IAEA) participated in the exercise.

IEC Newsletter, No. 47, First Quarter 2014

International Nuclear Information System (INIS)

2014-05-01

The ConvEx-3 (2013) evaluation meeting - the Fifth Meeting of the Inter-Agency Committee on Radiological and Nuclear Emergencies Working Group on Coordinated International Exercises (IACRNE-WG-CIE) - took place at IAEA Headquarters in Vienna from 11-12 February 2014. Representatives from the Moroccan authorities, members of the IACRNE Working Group on Coordinated International Exercises, exercise chief evaluators, and the chairperson of the National Competent Authority Coordination Group (NCACG) were invited and participated in the meeting. The objectives of the meeting were to evaluate the ConvEx-3 (2013) exercise, to review the draft Exercise Report, and to discuss exercise findings and conclusions. On the first day of the meeting (11 February), the exercise was evaluated by the host country Morocco and by chief evaluators of some international organizations and Member States. National objectives, findings, conclusions and recommendations for emergency preparedness and response improvements were presented and discussed. On the second day (12 February), the Lead Exercise Evaluator and chair of the ICARNE WG-CIE, presented the draft Exercise Report, and proposals for common findings, conclusions and recommendations based on the Chief Evaluator's reports were consolidated. It was also agreed that the revised draft Exercise Report will be distributed for comment and feedback to all chief evaluators who have submitted evaluation reports to the IAEA. The ConvEx-3 exercise was conducted by the Incident and Emergency Centre (IEC) on 20-21 November 2013. Fifty-nine Member States (including Morocco) and ten international organizations (including the IAEA) participated in the exercise

Baicalin Protects against TNF-α-Induced Injury by Down-Regulating miR-191a That Targets the Tight Junction Protein ZO-1 in IEC-6 Cells.

Science.gov (United States)

Wang, Li; Zhang, Ren; Chen, Jian; Wu, Qihui; Kuang, Zaoyuan

2017-04-01

Tumor necrosis factor-alpha (TNF-α) plays an important role in the developing process of inflammatory bowel disease. Tight junction protein zonula occludens-1 (ZO-1), one of epithelial junctional proteins, maintains the permeability of intestinal barrier. The objective of this study was to investigate the mechanism of the protective effect of baicalin on TNF-α-induced injury and ZO-1 expression in intestinal epithelial cells (IECs). We found that baicalin pretreatment significantly improved cell viability and cell migration following TNF-α stimulation. miR-191a inhibitor increased the protective effect of baicalin on cell motility injured by TNF-α. In addition, miR-191a down-regulated the mRNA and protein level of its target gene ZO-1. TNF-α stimulation increased miR-191a expression, leading to the decline of ZO-1 mRNA and protein. Moreover, pretreatment with baicalin reversed TNF-α induced decrease of ZO-1 and increase of miR-191a, miR-191a inhibitor significantly enhanced ZO-1 protein expression restored by baicalin. These results indicate that baicalin exerts a protective effect on IEC-6 (rat small intestinal epithelial cells) cells against TNF-α-induced injury, which is at least partly via inhibiting the expression of miR-191a, thus increasing ZO-1 mRNA and protein levels.

Convergence Analysis of ISO/IEC 12207 and CMMI-DEV: Complementary Result from Systematic Literature Review

Directory of Open Access Journals (Sweden)

Javier Crisóstomo

2017-12-01

Full Text Available The organizations and people are demanding more and better software products and services, which implies adequate processes for its development. In the context of the software industry, there are two models, the CMMI-DEV and ISO/IEC 12207 that are influencing it. Though, they are evolving separately, recurrently they have been compared to determine its coverage (in both directions. In this study is analyzed the results of those comparisons (partials and completed to determine if the models ISO/IEC 12207 and CMMI-DEV converge at processes level. This study identified eight articles where the comparison is carried out between ISO/IEC 12207 and CMMI-DEV. The results show that technique most used is the mapping comparisons between the models and according to the analyzed studies is not possible to determine whether there is convergence in the time. However, we found some items and criterions for use in comparisons.

ISO/IEC 17025 Sysmex R-500 hematology reticulocyte analyzer validation.

Science.gov (United States)

Dimopoulou, H A; Theodoridis, T; Galea, V; Christopoulou-Cokkinou, V; Spyridaki, M-H E; Georgakopoulos, C G

2007-01-01

The Sysmex R-500 (R-500) Hematology Analyzer is a bench-top system appropriate for the analysis of limited batches of blood samples. The R-500 provides percentage proportional (RET%), absolute reticulocyte (RET#), and absolute red blood cell (RBC#) counts. The system was validated at the Doping Control Laboratory of Athens, according to the International Committee for Standardization in Hematology, International Standards Organization (ISO/IEC) 17025, and World Antidoping Agency (WADA) specifications. The instrument calibration was performed according to the manufacturer and validation parameters comprised linearity, precision, uncertainty (intermediate and long-term precision), comparability, effect of drift, carryover, stability, and accuracy. The linearity and the comparability studies for RET#, RET%, and RBC# were expressed in regression factors (R2) and coefficients of correlation [r(x, y)], respectively. For the precision studies, the coefficients of variation for RET#, RET%, and RBC# were 9.49%, 9.83%, and ISO/IEC 17025 and WADA specifications.

Qualification test on class 1E charger and inverter in nuclear power plant

International Nuclear Information System (INIS)

Li Mingcheng; Lin Jian; Fu Mingxing; Xu Benfu; Ma Peifeng

2014-01-01

The qualification approach for class lE electrical equipment was introduced, based on IEC, IEEE and RCC-E standards and technical documents. Combined with a lot of practical experience, the qualification scheme for class lE charger and inverter was developed. The component evaluation, performance and stress test, EMC test, seismic test and software qualification for the equipment were analyzed in detail. (authors)

A quality assurance system for personal monitoring in Ireland: experience to date and transition from EN 45001 to ISO/IEC 17025

International Nuclear Information System (INIS)

Currivan, L.; Spain, D.; Rafferty, B.

2002-01-01

Up to 2000 the RPII was the competent authority for approval of dosimetry services operating within Ireland. However the transposition into Irish Law of Council Directive 96/29 Euratom in May 2000 means that dosimetry services operating in Ireland must now attain accreditation to the standard of EN-45001 or its equivalent. To comply with this new legislation the RPII sought accreditation for the Dosimetry Service from the Irish National Accreditation Board (NAB). In accordance with the EN-45000 series of European Standards and the relevant ISO guides NAB tests accuracy of results and accredits organisations as appropriate. In September 2000 accreditation was granted to the Dosimetry Service for individual monitoring of personnel who are occupationally exposed to ionising radiation. The scope of the accreditation covers the evaluation of personal doses, for photon and beta, using TLD. Frequent internal quality audits, together with periodic inter-laboratory test programmes, ensure that these quality standards are maintained. This accreditation fulfils the approval under legislation for dosimetry services. The new standard, ISO/IEC 17025, was introduced by ISO (the International Organization for Standardization) and IEC (the International Electrotechnical Commission) in 1999. This standard was introduced in Ireland by NAB and will be implemented for future assessments. The aim of this paper is to describe the quality system currently operated by the RPII's Dosimetry Service, our practical experience to date, and to outline the transition from EN-45001 to ISO/IEC 17025

Comparison of ASTECV1.3.2 and ASTECV2 results for QUENCH 12 test

International Nuclear Information System (INIS)

Stefanova, A.

2010-01-01

This paper presents a comparison of QUENCH 12 test calculated results with ASTECv1.3R2 and ASTECv2 computer codes. The test was performed to investigate the behavior of VVER fuel assemblies. This investigation is a part of the 6th and 7th framework programs of the EC supported ISTC program. The test facility is located at Forschungszentrum in Karlsruhe. The structure of the test facility allows experimental studies under transient and accident conditions. The ASTEC1.3R2 and ASTECv2 computer codes have been used to simulate the investigated test. The base line input model for ASTEC was provided from Forschungszentrum, Karlsruhe. During the preparation of QUENCH - 12 experiment, the input deck was adapted to new initial and boundary conditions. The comparison show good agreement between measured data and ASTEC calculated results. (author)

Modelling of plug and play interface for energy router based on IEC61850

Science.gov (United States)

Shi, Y. F.; Yang, F.; Gan, L.; He, H. L.

2017-11-01

Under the background of the “Internet Plus”, as the energy internet infrastructure equipment, energy router will be widely developed. The IEC61850 standard is the only universal standard in the field of power system automation which realizes the standardization of engineering operation of intelligent substation. To eliminate the lack of International unified standard for communication of energy router, this paper proposes to apply IEC61850 to plug and play interface and establishes the plug and play interface information model and information transfer services. This paper provides a research approach for the establishment of energy router communication standards, and promotes the development of energy router.

Mobile measurement setup according to IEC 62220-1-2 for DQE determination on digital mammography systems

Science.gov (United States)

Greiter, Matthias B.; Hoeschen, Christoph

2010-04-01

The international standard IEC 62220-1-2 defines the measurement procedure for determination of the detective quantum efficiency (DQE) of digital x-ray imaging devices used in mammography. A mobile setup complying to this standard and adaptable to most current systems was constructed in the Helmholtz Zentrum München to allow for an objective technical comparison of current full field digital mammography units employed in mammography screening in Germany. This article demonstrates the setup's capabilities with a focus on the measurement uncertainties of all quantities contributing to DQE measurements. Evaluation of uncertainties encompasses results from measurements on a Sectra Microdose Mammography in clinical use, as well as on a prototype of a Fujifilm Amulet system at various radiation qualities. Both systems have a high spatial resolution of 50 μm × 50 μm. The modulation transfer function (MTF), noise power spectrum (NPS) and DQE of the Sectra MDM are presented in comparison to results previously published by other authors.

Object Permanence in 3 1/2- and 4 1/2-Month-Old Infants.

Science.gov (United States)

Baillargeon, Renee

1987-01-01

Three experiments test object permanenece in 3 1/2- and 4 1/2-month-old infants, and use an impossible-possible-habituation event format. The 4 1/2-month-olds, and the 3 1/2-month-olds who were fast habituators, look reliably longer at the impossible than at the possible event. Results seriously question Piaget's (1954) claims regarding the age at…

Establishing the Isotope Hydrology Laboratory in accordance with ISO/IEC 17025:2005 standard

International Nuclear Information System (INIS)

Nguyen Thi Hong Thinh; Ha Lan Anh; Vo Thi Anh; Dinh Thi Bich Lieu; Vo Thi Tuong Hanh

2013-01-01

The ISO/IEC 17025:2005 General requirements for the competence calibration laboratories is basis for the accreditation body of the country in general and VILAS in particular recognizing the competence of laboratories. With the desire to prove that we have sufficient technical , management capacity , and the ability to provide the legally recognized and technically valuable test results, the Isotope Hydrology Laboratory have developed a quality management system in accordance with ISO / IEC 17025:2005, in which the laboratory quality manual has been developed. It describes the laboratory management system , scope of activities related to quality assurance of 13 major ions and tritium content measurement services in water samples. Under quality management system, there are management and technical procedures, analysis procedures, work instructions, technical documentation, file and form system. These documents define the roles, responsibilities, powers, detailed instructions for applying and maintaining effective quality management system. Isotope Hydrology Laboratory received a certificate of accreditation issued by Bureau of Accreditation which recognized the laboratory in accordance with ISO 17025:2005 with VILAS 670 accreditation code. Scope of recognition is analyzed 14 parameters: F - , Cl - , NO 2 - , NO 3 - , Br - , PO 4 3- , SO 4 2- , Li + , Na + , NH 4 + , K + , Mg 2+ , Ca 2+ and 3 H in water by ion chromatography and liquid scintillator counting method. (author)

75 FR 35282 - Third Party Testing for Certain Children's Products; Infant Walkers: Requirements for...

Science.gov (United States)

2010-06-21

... requirements of the ISO/IEC 17025:2005 laboratory accreditation standard is provided in the CPSC staff briefing... to ISO Standard ISO/IEC 17025:2005, ``General Requirements for the Competence of Testing and... tested by a third party conformity assessment body that was ISO/IEC 17025 accredited by an ILAC-MRA...

Using ISO/IEC 12207 to analyze open source software development processes: an E-learning case study

OpenAIRE

Krishnamurthy, Aarthy; O'Connor, Rory

2013-01-01

peer-reviewed To date, there is no comprehensive study of open source software development process (OSSDP) carried out for open source (OS) e-learning systems. This paper presents the work which objectively analyzes the open source software development (OSSD) practices carried out by e-learning systems development communities and their results are represented using DEMO models. These results are compared using ISO/IEC 12207:2008. The comparison of DEMO models with ISO/IEC...

General criteria for validation of dosimetry methods in the context of a quality system ISO / IEC 17025; Criterios generales sobre validacion de metodos de dosimetria en el marco de un sistema de calidad ISO/IEC 17025

Energy Technology Data Exchange (ETDEWEB)

Martin Garcia, R.; Navarro Bravo, T.

2011-07-01

The accreditation of a testing laboratory in accordance with ISO / IEC 17025 recognizes the technical competence of a laboratory to perform certain tests. One of the requirements of that rule states that laboratories must demonstrate that the methods used are valid and appropriate for the intended use and customer needs. This demonstration is accomplished through the process of validation of methods, defined in the rule it self as {sup c}onfirmation by examination and provision of objective evidence that the requirements for a particular purpose{sup .} The process of validating a test method should be well planned and documented, including the requirements under the applicable rules and criteria established by the laboratory to comply with these requirements.

Concept Evaluation for Hydraulic Yaw System

DEFF Research Database (Denmark)

Stubkier, Søren; Pedersen, Henrik C.; Andersen, Torben Ole

2013-01-01

The yaw system is the subsystem on a wind turbine which ensures that the rotor plane of the turbine always is facing the wind direction. Studies from [1] show that a soft yaw system may be utilized to dampen the loads in the wind turbine structure. The soft yaw system operates much like...... investigation. Loads and yaw demands are based on the IEC 61400-1 standard for wind turbine design, and the loads for this examination are extrapolated from the HAWC2 aeroelastic design code. The concepts are based on a 5 MW off-shore turbine....... a suspension system on a car, leading the loads away from the turbine structure. However, to realize a soft hydraulic yaw system a new design concept must be found. As a part of the development of the new concept a preliminary concept evaluation has been conducted, evaluating seven different hydraulic yaw...

Reactivity Initiated Accident Test Series: Test RIA 1-2. Quick look report

International Nuclear Information System (INIS)

Martinson, Z.R.; Semken, R.S.; Smith, R.H.; Osetek, D.J.

1978-12-01

The primary objectives of Test RIA 1-2 were to (a) characterize the response of preirradiated fuel rods during an RIA event conducted at boiling water reactor (BWR) hot-startup conditions for an axial peak pellet surface energy of 200 cal/g UO 2 , and (b) evaluate the effect of internal rod pressure on preirradiated fuel rod response during an RIA event. The test consisted of four, individually shrouded, pressurized water reactor-type fuel rods previously irradiated to burnups of about 4800 MWd/t. In addition to the power calibration and preconditioning, the fuel rods were subjected to a single power burst that deposited a total pellet surface energy of approximately 200 cal/gm UO 2 at the axial peak power location (estimated using the core power chambers to relate steady state and transient powers). The test data indicate that the two irradiated fuel rods prepressurized to 2.41 MPa did not fail. FRAP-T4 calculations had predicted that prompt cladding rupture would occur for pellet surface energy depositions of 206 cal/g or greater. Although the two fuel rods prepressurized to 2.41 MPa did not fail, the data indicate that at least one of the two fuel rods prepressurized to 0.1 MPa did fail. Based on the core power chamber data, this rod failure indicates a threshold for the preirradiated fuel rods near or below 200 cal/g UO 2 total pellet surface energy at the axial flux peak

Comparing Fatigue Life Estimations of Composite Wind Turbine Blades using different Fatigue Analysis Tools

DEFF Research Database (Denmark)

Ardila, Oscar Gerardo Castro; Lennie, Matthew; Branner, Kim

2015-01-01

In this paper, fatigue lifetime prediction of NREL 5MW reference wind turbine is presented. The fatigue response of materials used in selected blade cross sections was obtained by applying macroscopic fatigue approaches and assuming uniaxial stress states. Power production and parked load cases...... suggested by the IEC 61400-1 standard were studied employing different load time intervals and by using two novel fatigue tools called ALBdeS and BECAS+F. The aeroelastic loads were defined thought aeroelastic simulations performed with both FAST and HAWC2 tools. The stress spectra at each layer were...... calculated employing laminated composite theory and beam cross section methods. The Palmgren-Miner linear damage rule was used to calculate the accumulation damage. The theoretical results produced by both fatigue tools proved a prominent effect of analysed design load conditions on the estimated lifetime...

Reliability Analysis of Adhesive Bonded Scarf Joints

DEFF Research Database (Denmark)

Kimiaeifar, Amin; Toft, Henrik Stensgaard; Lund, Erik

2012-01-01

element analysis (FEA). For the reliability analysis a design equation is considered which is related to a deterministic code-based design equation where reliability is secured by partial safety factors together with characteristic values for the material properties and loads. The failure criteria......A probabilistic model for the reliability analysis of adhesive bonded scarfed lap joints subjected to static loading is developed. It is representative for the main laminate in a wind turbine blade subjected to flapwise bending. The structural analysis is based on a three dimensional (3D) finite...... are formulated using a von Mises, a modified von Mises and a maximum stress failure criterion. The reliability level is estimated for the scarfed lap joint and this is compared with the target reliability level implicitly used in the wind turbine standard IEC 61400-1. A convergence study is performed to validate...

CERT Resilience Management Model (RMM) v1.1: Code of Practice Crosswalk Commercial Version 1.1

Science.gov (United States)

2011-10-01

2005 (E) ISO/IEC 24762: 2008 (E) ISO/IEC 27002: 2005 (E) ISO/IEC 27005: 2008 (E) ISO/IEC 31000: 2009 (E) NFPA 1600 PCI: 2009 HRM – Human ...Subpractices 1. Obtain written approval from line of business and organizational unit managers, asset owners, and human resources staff for...sup- ports their desired level of process maturity and improvement. Another important objective of this document is to permit organizations to use

Characterization and standardized radiation qualities deployment - NBR IEC 61225 - in a animal irradiator

International Nuclear Information System (INIS)

Carvalho, Samara; Magalhaes, Luis Alexandre Goncalves

2015-01-01

The present work consisted in the determination of additional aluminum filters, so that the Animal Irradiator of the Laboratory of Radiological Sciences-UERJ can operate in accordance with standard IEC 61267: 2005. In order to perform the measurements necessary for the determination of these filters, it was developed an additional filter positioning system coupled to the X-ray tube. The determination of these filters was performed to obtain the first half value layer (HVL) according to the window with the values given by the IEC 61267: 2005. It was used IPEN SRS-78 (Institute of Physics and Engineering in Medicine) software for the estimation of the total amount of the additional filtration through the measurements values of the first HVL. (author)

Implementing service quality based on ISO/IEC 20000 a management guide

CERN Document Server

Kunas, Michael

2012-01-01

Potential customers will look for suppliers with ISO/IEC 20000 certification, seeking the reassurance it provides. This book will guide you through implementation and certification. Your streamlined management processes will enable you to offer first-class customer service at competitive prices. The impact on your profit margins is clear!

76 FR 49286 - Third Party Testing for Certain Children's Products; Notice of Requirements for Accreditation of...

Science.gov (United States)

2011-08-10

... history and content of the ILAC-MRA approach and of the requirements of the ISO/IEC 17025:2005 laboratory... be to ISO Standard ISO/IEC 17025:2005, ``General Requirements for the Competence of Testing and..., the product was tested by a third party conformity assessment body that was ISO/IEC 17025 accredited...

Full-Scale Fatigue Testing of a Wind Turbine Blade in Flapwise Direction and Examining the Effect of Crack Propagation on the Blade Performance

Directory of Open Access Journals (Sweden)

Othman Al-Khudairi

2017-10-01

Full Text Available In this paper, the sensitivity of the structural integrity of wind turbine blades to debonding of the shear web from the spar cap was investigated. In this regard, modal analysis, static and fatigue testing were performed on a 45.7 m blade for three states of the blade: (i as received blade (ii when a crack of 200 mm was introduced between the web and the spar cap and (iii when the crack was extended to 1000 mm. Calibration pull-tests for all three states of the blade were performed to obtain the strain-bending moment relationship of the blade according to the estimated target bending moment (BM which the blade is expected to experience in its service life. The resultant data was used to apply appropriate load in the fatigue tests. The blade natural frequencies in flapwise and edgewise directions over a range of frequency domain were found by modal testing for all three states of the blade. The blade first natural frequency for each state was used for the flapwise fatigue tests. These were performed in accordance with technical specification IEC TS 61400-23. The fatigue results showed that, for a 200 mm crack between the web and spar cap at 9 m from the blade root, the crack did not propagate at 50% of the target BM up to 62,110 cycles. However, when the load was increased to 70% of target BM, some damages were detected on the pressure side of the blade. When the 200 mm crack was extended to 1000 mm, the crack began to propagate when the applied load exceeded 100% of target BM and the blade experienced delaminations, adhesive joint failure, compression failure and sandwich core failure.

Full-Scale Fatigue Testing of a Wind Turbine Blade in Flapwise Direction and Examining the Effect of Crack Propagation on the Blade Performance.

Science.gov (United States)

Al-Khudairi, Othman; Hadavinia, Homayoun; Little, Christian; Gillmore, Gavin; Greaves, Peter; Dyer, Kirsten

2017-10-03

In this paper, the sensitivity of the structural integrity of wind turbine blades to debonding of the shear web from the spar cap was investigated. In this regard, modal analysis, static and fatigue testing were performed on a 45.7 m blade for three states of the blade: (i) as received blade (ii) when a crack of 200 mm was introduced between the web and the spar cap and (iii) when the crack was extended to 1000 mm. Calibration pull-tests for all three states of the blade were performed to obtain the strain-bending moment relationship of the blade according to the estimated target bending moment (BM) which the blade is expected to experience in its service life. The resultant data was used to apply appropriate load in the fatigue tests. The blade natural frequencies in flapwise and edgewise directions over a range of frequency domain were found by modal testing for all three states of the blade. The blade first natural frequency for each state was used for the flapwise fatigue tests. These were performed in accordance with technical specification IEC TS 61400-23. The fatigue results showed that, for a 200 mm crack between the web and spar cap at 9 m from the blade root, the crack did not propagate at 50% of the target BM up to 62,110 cycles. However, when the load was increased to 70% of target BM, some damages were detected on the pressure side of the blade. When the 200 mm crack was extended to 1000 mm, the crack began to propagate when the applied load exceeded 100% of target BM and the blade experienced delaminations, adhesive joint failure, compression failure and sandwich core failure.

X radiation qualities characterization following the standard IEC 61267 recommendations at the calibration laboratory of IPEN

International Nuclear Information System (INIS)

Franciscatto, Priscila Cerutti

2009-01-01

This work presents a methodology for the X radiation qualities characterization following the new recommendations of the standard 61267 of the International Electrotechnical Commission (IEC) to establish a new procedure for calibration of dosimetric systems used in the field of diagnostic radiology. The reference qualities radiation of IEC 61267: RQR 2 to RQR 10, RQA 2 to RQA 10, RQB 2 to RQB 10 and RQN 2 to RQN 10 were implanted at the calibration laboratory of IPEN (LCI). Their characteristics were analyzed through measurements of beam parameters such as: Practical peak voltage (PPV), specific additional filtrations for each qualities (high purity aluminum of about 99.9%), 1st and 2nd Half Value Layers, homogeneity coefficient. The inherent filtration of the X ray tube was also determined. With the establishment of these radiation qualities, the LCI will be ready to calibrate the measuring instruments of radiation in the new qualities, allowing an improvement in radiological services offered by IPEN. (author)

Comparison of ANSI, IEC and CSA standards durability requirements on station-type metal oxide surge arresters for EHV power systems

International Nuclear Information System (INIS)

Hamel, A.; St-Jean, G.

1992-01-01

This paper presents an analysis of stresses applied to two actual types of station class surge arresters of the same voltage rating when tested for durability as prescribed by American (ANSI) International (IEC) and Canadian (CSA) standards for 315 kV and 734 kV power systems. The analysis which is made with an experimentally validated arrester model, reveals that the IEC duty cycle test is the most severe of all. In fact it can bring the varistors of an actual station-type arrester to a peak temperature of 129 degrees C, which leaves a margin of only 46 degrees C to its thermal stability limit at maximum continuous operating voltage (MCOV). Another actual arrester using lesser V-I-T varistor characteristics but larger varistor volume and better heat transfer from inside to outside the arrester, produces 103 degrees C which corresponds to a slightly better temperature margin of 49 degrees C. It is observed that even when using the lower performance V-I-T characteristics of the latter arrester, a thin-wall arrester housing design can improve heat transfer to a point where the margin improves to 101 degrees C on a hypothetical arrester

General criteria for validation of dosimetry methods in the context of a quality system ISO / IEC 17025

International Nuclear Information System (INIS)

Martin Garcia, R.; Navarro Bravo, T.

2011-01-01

The accreditation of a testing laboratory in accordance with ISO / IEC 17025 recognizes the technical competence of a laboratory to perform certain tests. One of the requirements of that rule states that laboratories must demonstrate that the methods used are valid and appropriate for the intended use and customer needs. This demonstration is accomplished through the process of validation of methods, defined in the rule it self as c onfirmation by examination and provision of objective evidence that the requirements for a particular purpose . The process of validating a test method should be well planned and documented, including the requirements under the applicable rules and criteria established by the laboratory to comply with these requirements.

IEC ready for turnaround in nuclear industry

International Nuclear Information System (INIS)

Schomberg, R.; Corte, E.; Thompson, I.

2005-01-01

The activity of IEC Technical Committee (TC) 45 (Nuclear Instrumentation) in conditions of turnaround in nuclear industry is considered. TC 45's main task is to lay down a comprehensive strategy for itself and its two subcommittees as well as to improve the relevance of the nuclear safety standards. Subcommittee 45A develops standards that apply to the electronic and electrical functions and associated systems and equipment used in the instrumentation and control systems of nuclear energy generation facilities. Subcommittee 45B develops and issues standards covering all aspects of instrumentation associated with radiation protection including radiation detectors, radiation monitoring, dosimetry and radiology [ru

Distress among women receiving uninformative BRCA1/2 results: 12-month outcomes.

Science.gov (United States)

O'Neill, Suzanne C; Rini, Christine; Goldsmith, Rachel E; Valdimarsdottir, Heiddis; Cohen, Lawrence H; Schwartz, Marc D

2009-10-01

Few data are available regarding the long-term psychological impact of uninformative BRCA1/2 test results. This study examines change in distress from pretesting to 12-months post-disclosure, with medical, family history, and psychological variables, such as pretesting perceived risk of carrying a deleterious mutation prior to testing and primary and secondary appraisals, as predictors. Two hundred and nine women with uninformative BRCA1/2 test results completed questionnaires at pretesting and 1-, 6-, and 12-month post-disclosure, including measures of anxiety and depression, cancer-specific and genetic testing distress. We used a mixed models approach to predict change in post-disclosure distress. Distress declined from pretesting to 1-month post-disclosure, but remained stable thereafter. Primary appraisals predicted all types of distress at 1-month post-disclosure. Primary and secondary appraisals predicted genetic testing distress at 1-month as well as change over time. Receiving a variant of uncertain clinical significance and entering testing with a high expectation for carrying a deleterious mutation predicted genetic testing distress that persisted through the year after testing. As a whole, women receiving uninformative BRCA1/2 test results are a resilient group. For some women, distress experienced in the month after testing does not dissipate. Variables, such as heightened pretesting perceived risk and cognitive appraisals, predict greater likelihood for sustained distress in this group and could be amenable to intervention.

Special Testing for Modules Deployed in Hot Use Environments - Are We Doing This in a Low-Cost Way?

Energy Technology Data Exchange (ETDEWEB)

Repins, Ingrid; Jordan, Dirk; Bosco, Nick; Flueckiger, Chris

2016-09-12

The proposed new IEC standard will address the test temperature requirements in IEC 61215 (module design), IEC 61730 (module safety), IEC 62790 (junction box safety) and IEC 62852 (connectors), and will provide guidelines to modify temperature limits in four existing standards to better describe module performance in hotter climates. This workshop includes four presentations: Special Testing for Modules Deployed in Hot Use Environments - Are We Doing This in a Low-Cost Way?, Experimental Evidence, Why the highest temperatures are the most stressful to PV modules during thermal cycling, and Safety Aspects for Modules Deployed in Hot Use Environments.

Post-mortem testing; germline BRCA1/2 variant detection using archival FFPE non-tumor tissue

DEFF Research Database (Denmark)

Petersen, Annabeth Høgh; Jørgensen, Mads Malik Aagaard; Nielsen, Henriette Roed

2016-01-01

Accurate estimation of cancer risk in HBOC families often requires BRCA1/2 testing, but this may be impossible in deceased family members. Previous, testing archival formalin-fixed, paraffin-embedded (FFPE) tissue for germline BRCA1/2 variants was unsuccessful, except for the Jewish founder mutat...... samples from non-tumor tissue. Accurate genetic counseling is achievable in families where variant testing would otherwise be impossible.European Journal of Human Genetics advance online publication, 6 January 2016; doi:10.1038/ejhg.2015.268....

Leveraging Software Architectures through the ISO/IEC 42010 standard: A Feasibility Study

NARCIS (Netherlands)

Tamburri, D.A.; Lago, P.; Muccini, H.; Proper, E.; Lankhorst, M.; Schoenherr, M.

2011-01-01

The state of the practice in enterprise and software architecture learnt that relevant architectural aspects should be illustrated in multiple views, targeting the various concerns of different stakeholders. This has been expressed a.o. in the ISO/IEC 42010 Standard on architecture descriptions. In

Large-area photogrammetry based testing of wind turbine blades

Science.gov (United States)

Poozesh, Peyman; Baqersad, Javad; Niezrecki, Christopher; Avitabile, Peter; Harvey, Eric; Yarala, Rahul

2017-03-01

Electro-Technical Commission standard (IEC 61400-23). For static tests, the blade is pulled in either flap-wise or edge-wise directions to measure deflection or distributed strain at a few limited locations of a large-sized blade. Additionally, the paper explores the error associated with using a multi-camera system (two stereo-vision systems) in measuring 3D displacement and extracting structural dynamic parameters on a mock set up emulating a utility-scale wind turbine blade. The results obtained in this paper reveal that the multi-camera measurement system has the potential to identify the dynamic characteristics of a very large structure.

75 FR 51016 - Third Party Testing for Certain Children's Products; Clothing Textiles: Requirements for...

Science.gov (United States)

2010-08-18

... (ISO)/International Electrotechnical Commission (IEC) Standard 17025:2005, ``General Requirements for... and of the requirements of the ISO/IEC 17025:2005 laboratory accreditation standard is provided in the... must be to ISO Standard ISO/IEC 17025:2005, ``General Requirements for the Competence of Testing and...

Gloss uniformity measurement update for ISO/IEC 19751

Science.gov (United States)

Ng, Yee S.; Cui, Chengwu; Kuo, Chunghui; Maggard, Eric; Mashtare, Dale; Morris, Peter

2005-01-01

To address the standardization issues of perceptually based image quality for printing systems, ISO/IEC JTC1/SC28, the standardization committee for office equipment chartered the W1.1 project with the responsibility of drafting a proposal for an international standard for the evaluation of printed image quality1. An ISO draft Standard2, ISO/WD 19751-1, Office Equipment - Appearance-based image quality standards for printers - Part 1: Overview, Procedure and Common Methods, 2004 describes the overview of this multi-part appearance-based image quality standard. One of the ISO 19751 multi-part Standard"s tasks is to address the appearance-based gloss and gloss uniformity issues (in ISO 19751-2). This paper summarizes the current status and technical progress since the last two updates3, 4. In particular, we will be discussion our attempt to include 75 degree gloss (G75) objective measurement5 in differential gloss and within-page gloss uniformity. The result for a round-robin experiment involving objective measurement of differential gloss using G60 and G75 gloss measurement geometry is described. The results for two perceptual-based round-robin experiments relating to haze effect on the perception of gloss, and gloss artifacts (gloss streaks/bands, gloss graininess/mottle) are discussed.

Cluster Control of Offshore Wind Power Plants Connected to a Common HVDC Station

DEFF Research Database (Denmark)

Göksu, Ömer; Sakamuri, Jayachandra N.; Rapp, C. Andrea

2016-01-01

of offshore AC grid voltage control and onshore ancillary services provision, i.e. POD by the active power modulation of the cluster. The two cases are simulated using DIgSILENT PowerFactory, where the IEC 61400-27-1 wind turbine and WPP control models and a generic offshore layout with cluster of three WPPs......In this paper a coordinated control for cluster of offshore WPPs connected to the same HVDC connection is being implemented and analyzed. The study is targeting two cases as; coordination of reactive power flow between HVDC converter and the WPP cluster while providing offshore AC grid voltage...... control, and coordinated closed loop control between the HVDC and the WPPs while the cluster is providing Power Oscillation Damping ( POD) via active power modulation. It is shown that the coordinated cluster control helps to improve the steady-state and dynamic response of the offshore AC grid in case...

Effects of normal and extreme turbulence spectral parameters on wind turbine loads

DEFF Research Database (Denmark)

Dimitrov, Nikolay Krasimirov; Natarajan, Anand; Mann, Jakob

2017-01-01

the recommended values in the IEC 61400-1 Ed.3 that is used for wind turbine design. The present paper investigates the impact of Mann turbulence model parameter variations on the design loads envelope for 5 MW and 10 MW reference wind turbines. Specific focus is made on the blade root loads, tower top moments...... of design loads is investigated with a focus on the commonly used Mann turbulence model. Quantification of the Mann model parameters is made through wind measurements acquired from the Høvsøre site. The parameters of the Mann model fitted to site specific observations can differ significantly from...... and tower base loads under normal turbulence and extreme turbulence, whereby the change in operating extreme and fatigue design loads obtained through turbulence model parameter variations is compared with corresponding variations obtained from random seeds of turbulence. The investigations quantify...

Turbulence and turbulence-generated structural loading in wind turbine clusters

DEFF Research Database (Denmark)

Frandsen, Sten Tronæs

2007-01-01

of the model is that it became part of the Danish standard for wind turbine design DS 472 (2001) in August 2001 and it is part of the corresponding international standard, IEC61400-1 (2005). Also, extreme loading under normal operation for wake conditions and the efficiency of very large wind farms......Turbulence - in terms of standard deviation of wind speed fluctuations - and other flow characteristics are different in the interior of wind farms relative to the free flow and action must be taken to ensure sufficient structural sustainability of the wind turbines exposed to “wind farm flow......”. The standard deviation of wind speed fluctuations is a known key parameter for both extreme- and fatigue loading, and it is argued and found to be justified that a model for change in turbulence intensity alone may account for increased fatigue loading in wind farms. Changes in scale of turbulence...

12 CFR 228.22 - Lending test.

Science.gov (United States)

2010-01-01

... 12 Banks and Banking 3 2010-01-01 2010-01-01 false Lending test. 228.22 Section 228.22 Banks and... REINVESTMENT (REGULATION BB) Standards for Assessing Performance § 228.22 Lending test. (a) Scope of test. (1) The lending test evaluates a bank's record of helping to meet the credit needs of its assessment area...

Comparison of IEEE383-2003 and IEC60505-2004 standards for harmonization of environmental qualification procedure of electric cable

International Nuclear Information System (INIS)

Kim, Jong Seog; Jeong, Sun Chul; Park, Kyung Heum; Jang, Kyung Nam

2010-01-01

Needs for harmonization of international equipment qualification(EQ) standards have been raised several years due to purchasing problem of nuclear equipment supplied from abroad country. To meet the regulatory requirement of domestic nuclear power plant, manufacturers have to qualify their equipment in accordance with each standard such as IEEE, IEC and RCC-E. Double qualification increase the equipment cost, which result in high construction cost. Even the unification of each standard have been discussed several years, we have got the long way to go yet. Comparison and harmonization of each international standard will give help to purchase the equipment qualified by not endorsed standard. Environmental qualification, seismic qualification and EMI/EMC qualification are major targets for harmonization. Since concern about cable qualification of 60 years life has been raised recently, harmonization of cable qualification standard also needs to be discussed. KEPRI launched a project for harmonization of EQ relative standards such as IEEE, IEC and RCC-E. A study for harmonization of IEEE323 and IEC60780 is known in progress by IEEE committee. In this paper, harmonization of international standards for cable qualification will be discussed. IEEE383 standard is qualification standard for electric cable broadly used in Asian pacific area while IEC60505 is mostly used in European area. Since these two standards have different requirements for environmental qualification of cable, problem can be happened in the plant site when they purchase cable qualified by not endorsed standard. IEEE383-2003 and IEC60505-2004 is the latest version of each standard. Comparison results and recommendations for harmonization of these two standards are introduced herein

76 FR 18645 - Third Party Testing for Certain Children's Products; Notice of Requirements for Accreditation of...

Science.gov (United States)

2011-04-05

... to the International Standards Organization (ISO)/International Electrotechnical Commission (IEC) Standard ISO/IEC 17025:2005, ``General Requirements for the Competence of Testing and Calibration... paint ban and 16 CFR part 1303, it must be accredited to ISO/IEC 17025- 2005 by an accreditation body...

Chemical chaperones reduce ionizing radiation-induced endoplasmic reticulum stress and cell death in IEC-6 cells

Energy Technology Data Exchange (ETDEWEB)

Lee, Eun Sang; Lee, Hae-June; Lee, Yoon-Jin [Division of Radiation Effects, Korea Institute of Radiological and Medical Sciences, Seoul 139-706 (Korea, Republic of); Jeong, Jae-Hoon [Division of Radiotherapy, Korea Institute of Radiological and Medical Sciences, Seoul 139-706 (Korea, Republic of); Kang, Seongman [Division of Life Sciences, Korea University, Seoul 136-701 (Korea, Republic of); Lim, Young-Bin, E-mail: yblim@kirams.re.kr [Division of Radiation Effects, Korea Institute of Radiological and Medical Sciences, Seoul 139-706 (Korea, Republic of)

2014-07-25

Highlights: • UPR activation precedes caspase activation in irradiated IEC-6 cells. • Chemical ER stress inducers radiosensitize IEC-6 cells. • siRNAs that targeted ER stress responses ameliorate IR-induced cell death. • Chemical chaperons prevent cell death in irradiated IEC-6 cells. - Abstract: Radiotherapy, which is one of the most effective approaches to the treatment of various cancers, plays an important role in malignant cell eradication in the pelvic area and abdomen. However, it also generates some degree of intestinal injury. Apoptosis in the intestinal epithelium is the primary pathological factor that initiates radiation-induced intestinal injury, but the mechanism by which ionizing radiation (IR) induces apoptosis in the intestinal epithelium is not clearly understood. Recently, IR has been shown to induce endoplasmic reticulum (ER) stress, thereby activating the unfolded protein response (UPR) signaling pathway in intestinal epithelial cells. However, the consequences of the IR-induced activation of the UPR signaling pathway on radiosensitivity in intestinal epithelial cells remain to be determined. In this study, we investigated the role of ER stress responses in IR-induced intestinal epithelial cell death. We show that chemical ER stress inducers, such as tunicamycin or thapsigargin, enhanced IR-induced caspase 3 activation and DNA fragmentation in intestinal epithelial cells. Knockdown of Xbp1 or Atf6 with small interfering RNA inhibited IR-induced caspase 3 activation. Treatment with chemical chaperones prevented ER stress and subsequent apoptosis in IR-exposed intestinal epithelial cells. Our results suggest a pro-apoptotic role of ER stress in IR-exposed intestinal epithelial cells. Furthermore, inhibiting ER stress may be an effective strategy to prevent IR-induced intestinal injury.

Protective effects of essential oil of Citrus limon against aspirin-induced toxicity in IEC-6 cells.

Science.gov (United States)

Bouzenna, Hafsia; Hfaiedh, Najla; Giroux-Metges, Marie-Agnès; Elfeki, Abdelfattah; Talarmin, Hélène

2017-05-01

Aspirin, one of the widely used nonsteroidal anti-inflammatory drugs, is the most highly consumed pharmaceutical product in the world. However, it has several side effects in cells. This study was designed to investigate the antioxidative activity and cytoprotective effects of essential oil of Citrus limon (EOC) extracted from leaves against aspirin-induced damages in the rat small intestine epithelial cells (IEC-6). Biochemical indicators were used to assess cytotoxicity and oxidative damages caused by aspirin treatment on IEC-6. Our results showed that the chemical characterization of EOC identified 25 compounds representing 98.19% of the total oil. The major compounds from this oil were z-citral (53.21%), neryl acetate (13.06%), geranyl acetate (10.33%), and limonene (4.23%). Aspirin induced a decrease in cell viability as well as an increase in superoxide dismutase (SOD) and catalase (CAT) activities. Contrariwise, the co-exposure of cells to aspirin and EOC alleviated every above syndrome by an increase in cell survival and decrease in SOD and CAT activities. In conclusion, the essential oil of C. limon has a potent cytoprotective effect against aspirin-induced toxicity in IEC-6 cells.

Automation of an energy-autarkic manufacturing plant following IEC 61499; Automatisierung einer energieautarken Fertigungsanlage nach IEC 61499

Energy Technology Data Exchange (ETDEWEB)

Gerber, Christian; Hirsch, Martin; Hanisch, Hans-Michael [Halle-Wittenberg Univ., Halle (Saale) (Germany). Lehrstuhl Automatisierungstechnik

2009-07-01

The requirements for future manufacturing plants are, beyond others, seamless reconfiguration, autonomy as far as possible as well as easy employment and maintenance for the end user. Within the EnAS project (Energy-Autarkic Actuators and Sensors), the group of the Automation Technology Lab in Halle has challenged the fulfillment of those requirements. Therefore, IEC 61499 compliant distributed controllers have been developed for the demonstrator-plant under particular consideration of reconfigurability. These controllers have been integrated into the process sequences of the demonstrator and afterwards several reconfiguration scenarios have been designed. The building of a Human-Machine-Interface for visualization and reconfiguration of the plant was an essential issue as well. The result is a highly flexible, easily reconfigurable system, which can be regarded as a prototype for automated manufacturing plants of a new generation. (orig.)

Comparison test of electronic dosemeters

International Nuclear Information System (INIS)

Butterweck, G.; Zimmerli, H.P.; Wernli, C.

2001-01-01

To assist with a planned purchase of electronic dosemeters by the Swiss Federal Office for Civil Protection, the calibration laboratory of the Paul Scherrer Institute performed tests on 11 types of electronic dosemeters manufactured by 10 European and American companies. The technical specifications for the World Trade Organisation (WTO) tendering procedure were largely in accord with the specifications of the international standard IEC 61526. First tests were performed with samples from each type of dosemeter. The reproducibility of a dose of 0.1 mSv generated with 137 Cs radiation at a dose rate of 2.1 mSv.h -1 was found adequate for all tested dosemeter types. The response for environmental levels of radiation showed a large variation, indicating insufficient background correction of some dosemeters. A very high dose rate of 10 Sv.h -1 provoked faulty dose readings for more than half of the tested dosemeters. Dosemeter response for low-energy photon radiation was satisfactory for two of the tested dosemeter types. Four dosemeter types were selected for extended technical tests. Three samples of each of these dosemeter types were purchased. For drop and temperature tests the specifications of the WTO tendering procedure outranged the specification of the IEC standard. Whereas even at a temperature of -25 deg. C the tested dosemeters functioned normally, drops from a height of 2 m onto a wooden surface rendered the samples of two dosemeter types inoperative. (author)

75 FR 31688 - Third Party Testing for Certain Children's Products; Infant Bath Seats: Requirements for...

Science.gov (United States)

2010-06-04

... requirements of the ISO/IEC 17025:2005 laboratory accreditation standard is provided in the CPSC staff briefing....html . The accreditation must be to ISO Standard ISO/IEC 17025:2005, ``General Requirements for the... tested by a third party conformity assessment body that was ISO/IEC 17025 accredited by an ILAC-MRA...

75 FR 42311 - Third Party Testing for Certain Children's Products; Vinyl Plastic Film: Requirements for...

Science.gov (United States)

2010-07-21

... ISO/IEC 17025:2005 laboratory accreditation standard is provided in the CPSC staff briefing memorandum....org/membersbycategory.html . The accreditation must be to ISO Standard ISO/IEC 17025:2005, ``General... conformity assessment body that was ISO/IEC 17025 accredited by an ILAC-MRA member at the time of the test...

Proficiency tests for evaluation of the 99Tcm measurements in the nuclear medicine

International Nuclear Information System (INIS)

Iwahara, Akira; Tauhata, Luiz; Oliveira, Antonio Eduardo de; Nicoli, Ieda Gomes; Alabarse, Frederico Gil; Xavier, Ana Maria

2009-01-01

This work performs the performance evaluation of 55 Brazilian nuclear medicine services in activity measurement of radiopharmaceutical containing 99 Tc m . Proficiency tests based on the acceptance criteria of the Regulation ISO/IEC Guide 43-1 and on the accuracy of the brazilian Regulation CNEN-NN-3.05 were applied in 63 results of activity measurements in radionuclide calibrators used by those services. The performance services has shown that the criteria of the ISO/IEC 43-1, nevertheless to be more restrictive, presents results very consistent with the accuracy criteria requested by the Brazilian regulation

CALCULATION AND EXPERIMENTAL ESTIMATION OF RESULTS OF ELECTRO-THERMAL ACTION OF RATIONED BY THE INTERNATIONAL STANDARD IEC 62305-1-2010 IMPULSE CURRENT OF SHORT BLOW OF ARTIFICIAL LIGHTNING ON THE THIN-WALLED COVERAGE FROM STAINLESS STEEL

Directory of Open Access Journals (Sweden)

M. I. Baranov

2017-03-01

Full Text Available Purpose. Calculation and experimental researches of electro-thermal resistibility of the pre-production thin-walled sheet models of outward roof of height technical buildings from stainless steel are easily soiled 12Х18Н10Т to direct action on them rationed by the International Standard IEC 62305-1-2010 aperiodic impulse of current of short bow of artificial lightning of temporal form 10/350 μs with the proper admittances on his peak-temporal parameters (PTP. Methodology. Electrophysics bases of technique of high voltage and large impulsive currents (LIC, and also scientific and technical bases of planning of high-voltage impulsive devices and measuring methods in them LIC with followings below extreme PTP: amplitude of impulse of current of ImL=200 кА (with admittance ±10 %; integral of action of impulse of current of JL=10·106 A2·s (with admittance ±35 %; %; duration of wavefront current of T1=10 μs (with admittance ±20 %; time, proper amplitude of impulse of current of ImL, tmL≤24 μs (with admittance ±20 %; duration of flowing of impulse of current of T2=350 μs (with admittance ±10 %. Results. The results of evaluation calculation and experimental researches of electro-thermal resistibility of the indicated pre-production sheet models are resulted measuring in the plan of 0,5 x 0,5 m from stainless steel are easily soiled the 12Х18Н10Т thickness of 1 mm to action on them of aperiodic impulse of current of short blow of artificial lightning with rationed PTP on the requirements of the International Standard IEC 62305-1-2010. In high current experiments amplitude of ImL of the aperiodic rationed impulse of current of artificial lightning of temporal form of T1/T2=15 μs/315 μs changed in the range of (100-184 кА. The integral of action of JL of impulse of current for I-IV of levels of protection of lightning of technical objects (TO numeral made from 2,32·106 А2·s to 7,88·106 А2·s, and the flowing through the

Efficient IEC permanent-magnet motor (3 kW) - Final report; Effizienter IEC Permanent-Magnet-Motor (3 kW) - Schlussbericht

Energy Technology Data Exchange (ETDEWEB)

Lindegger, M. [Circle Motor AG, Guemligen (Switzerland); Biner, H. P.; Evequoz, B. [Haute Ecole valaisanne, Sion (Switzerland); Salathe, D. [Hochschule Luzern, Technik und Architektur, Horw (Switzerland)

2008-04-15

Efficient permanent-magnet motors achieve in the area up to 100 kW a higher efficiency than induction machines (standard motors). A simple and fast energy saving option is the exchange of inefficient standard motors. The objective of this work is to install a 3 kW permanent-magnet motor in a standard IEC housing and the optimization of the design for high efficiency. Another objective is the development and the realization of an efficient variable speed control. The efficiency of the motor and the inverter with the control system must be demonstrated by tests. These tasks have been split between Circle Motor AG and the universities of applied sciences of Valais and Lucerne. Considering high-efficiency and low manufacturing cost, a brushless DC solution was adopted. This resulted in an optimum design of the motor and the control system realized with a three-phase rectifier, a buck converter with variable DC voltage, and a three-phase inverter feeding full positive and negative current to two of the legs simultaneously. The maximum measured efficiency is about 96.5% for the inverter and 92% for the motor. With the advantage of the variable speed operation, the efficiency of the realized 3 kW permanent magnet motor together with the control system is always higher than the efficiency of a measured class EFF1 induction motor, even with a direct connection to the grid. The permanent-magnet motor is also about 10 kg lighter. The cost calculation shows that the permanent-magnet motor can be competitive with the induction motor when speed control is desired. This is also the domain with the largest potential for energy savings from variable speed pumps, compressors, fans. (author)

Evaluation of the signal-to-noise ratio (SNR) in a CR system and establishment of RQR-M and RQA-M IEC reference radiations in mammography

International Nuclear Information System (INIS)

Rosado, Paulo H.G.; Nogueira, Maria S.; Dantas, Marcelino V.A.; Santana, Priscila do C.

2009-01-01

In this work, the radiation condition RQR-M e RQA-M of IEC were established in the Siemens Mammomat 3000 mammography equipment. The standard radiation condition are described in terms of: emitting target of molybdenum, percentage ripple not more that 4%, total filtration of 0,032 ± 0,002 mm of molybdenum and specific values of first half-value layer. The results show that the values of parameters were in the range that the IEC recommends. Only the RQAM-3 the value of CSR was not in agreement of the value recommend, and was necessary a additions of 0,1 mm Al in the x-ray tube. After this, the signal noise ratio (SNR) of de Computer radiography (CR) system was evaluated in the reference qualities of RQR-M e RQA-M. For SNR the RQR-M mode of exposure was done with both the 20 mAs and automatic one. To RQA-M the exposure was done with 100 mAs. The variations of the values of SNR were approximated 4%. The tests were done with CR model CR850 made from Kodak and 40 mm of PMMA. (author)

Analysis of Norm IEC 61850 in the transmission of data via communications network of substations

Energy Technology Data Exchange (ETDEWEB)

Renda, T.; Botura Junior, G. [Universidade Estadual Paulista (UNESP), Sorocaba, SP (Brazil); Mesquita, L.; Rizol, P.M.S.R. [Universidade Estadual Paulista (UNESP), Guaratingueta, SP (Brazil)

2009-07-01

The tendency of using a protocol allows electrical substations to become 'intelligent', that is, capable of communicating in a much more efficient manner. This greatly reduces the number of connections, and as a consequence optimizes the speed between messages. The Norm IEC 61850-9-2 came to minimize the use of cables for the interconnections of various equipment involved in safety procedures of a substation. The present paper, has the objective of identifying a way of integrating the Norm IEC-61850 with the transmission of data via 'Generic Object Oriented Substation Event' (GOOSE) and of substituting the direct connection of binary I/O's of the Intelligent Electronic Devices also known as IED's. (author)

Metodología para la implementación de un Sistema de Gestión de Seguridad de la Información basado en la familia de normas ISO/IEC 27000

OpenAIRE

Valencia-Duque, Francisco Javier; Orozco-Alzate, Mauricio

2017-01-01

Se propone una metodología de implementación de un Sistema de Gestión de Seguridad de la Información (SGSI) basado en la familia de normas de la ISO/IEC 27000, con énfasis en la interrelación de cuatro normas fundamentales a través de las cuales se desarrollan las actividades requeridas para cumplir con lo establecido en la ISO/IEC 27001, los controles de seguridad presentados en la ISO/IEC 27002, el esquema de riesgos de la ISO/IEC 27005 y los pasos recomendados en la ISO/IEC 27003. Se gener...

75 FR 51020 - Third Party Testing for Certain Children's Products; Mattresses, Mattress Pads, and/or Mattress...

Science.gov (United States)

2010-08-18

... Standardization (ISO)/International Electrotechnical Commission (IEC) Standard 17025:2005, ``General Requirements... and of the requirements of the ISO/IEC 17025:2005 laboratory accreditation standard is provided in the... body that was ISO/IEC 17025 accredited by an ILAC-MRA member at the time of the test. For firewalled...

Beam test results of the first full-scale prototype of CMS RE 1/2 resistive plate chamber

International Nuclear Information System (INIS)

Ying Jun; Ban Yong; Ye Yanlin; Cai Jianxin; Qian Sijin; Wang Quanjin; Liu Hongtao

2005-01-01

The authors reported the muon beam test results of the first full-scale prototype of CMS RE 1/2 Resistive Plate Chamber (RPC). The bakelite surface is treated using a special technology without oil to make it smooth enough. The full scale RE 1/2 RPC with honeycomb supporting frame is strong and thin enough to be fitted to the limited space of CMS design for the inner Forward RPC. The muon beam test was performed at CERN Gamma Irradiation Facility (GIF). The detection efficiency of this full scale RPC prototype is >95% even at very high irradiation background. The time resolution (less than 1.2 ns) and spatial resolution are satisfactory for the muon trigger device in future CMS experiments. The noise rate is also calculated and discussed

Nuclear Knowledge Capture and IEC Standards

International Nuclear Information System (INIS)

Sheldon, J.

2016-01-01

Full text: An International Standard is a document, established by consensus and approved by a recognized body that provides, for common and repeated use, rules, guidelines or characteristics for activities or their results, aimed at the achievement of the optimum degree of order in a given context. As such, it is a mechanism for sharing knowledge in a particular field. The consensus process used to approve the content of standards ensures that the content is essentially peer-reviewed. This presentation will explain how International Standards are developed and used and their importance in the dissemination of scientific and engineering information. It will also explain the role of the IEC in ensuring that the process for developing standards meets the core principles of the Code of Good Practice of the WTO TBT agreement: transparency, openness, impartiality and consensus, effectiveness and relevance, coherence, and addressing the concerns of developing countries. (author

Limiting dilution analysis for precursor frequency of Con A-responsive mouse Thy-1+ dendritic epidermal cells

International Nuclear Information System (INIS)

Takashima, A.; Bergstresser, P.R.; Nixon-Fulton, J.L.; Tigelaar, R.E.

1986-01-01

The authors have recently demonstrated in vitro proliferation of mouse Thy-1 + dendritic epidermal cells (EC) to Con A and IL-2. The purpose of the present study was to utilize limiting dilution analysis to determine the precursor frequency (PF) of Con A-responsive cells within EC enriched by Isolymph centrifugation for Thy-1 + cells (IEC). AKR IEC were cultured in 96 well U-plates (25-75 cells/well) with 2 μg/ml Con A and 2 x 10 5 irradiated (1600 R) AKR spleen cells/well. Cultures were harvested after 7-21 days following 3 H-thymidine pulsing. Results indicated a PF within IEC of 1.5-4.5%. Inclusion of 10 U/ml IL-2 enhanced significantly the proliferation in positive wells but did not alter this PF. In AKR mice, monoclonal antibody 20-10-5S has been shown to react with Thy-1 + EC, but not with peripheral T cells. FACS purification of IEC using 20-10-5S indicated that Con A responsiveness resides exclusively within the 20-10-5S + population. The PF of Con A-responsive Thy-1 + EC was calculated by dividing the PF of IEC by the fraction of 20-10-5S + cells (13-30%) in the IEC suspension. A significant proportion of Thy-1 + EC (∼12%) were found to possess Con A proliferative capacity. These studies will facilitate analysis at a clonal level of possible functional and phenotypic heterogeneity within the Thy-1 + EC population

75 FR 52616 - Third Party Testing for Certain Children's Products; Youth All-Terrain Vehicles: Requirements for...

Science.gov (United States)

2010-08-27

... content of the ILAC-MRA approach and of the requirements of the ISO/IEC 17025:2005 laboratory... must be to ISO Standard ISO/IEC 17025:2005, General Requirements for the Competence of Testing and... that at that time was ISO/IEC 17025 accredited by an ILAC-MRA signatory. For firewalled conformity...

Upgrading the Medical Physics Calibration Laboratory Towards ISO/IEC 17025: Radiation Standards and Calibration in Diagnostic Radiology

International Nuclear Information System (INIS)

Asmaliza Hashim; Muhammad Jamal Md Isa; Abd Aziz Mhd Ramli; Wan Hazlinda Ismail; Norhayati Abdullah; Shahrul Azlan Azizan; Siti Sara Deraman; Nor Azlin Azraai; Md Khairusalih Md Zin

2010-01-01

Calibration of quality control (QC) test tools used in diagnostic radiology is legally required under the Ministry of Health (MOH) requirement. The Medical Physics Calibration Laboratory of the Malaysian Nuclear Agency is the national focal point for the calibration of quality control test tools used in diagnostic radiology. The Medical Physics Calibration Laboratory has measurement traceability to primary standard dosimetry laboratory (Physikalisch-Technische Bundesanstalt (PTB)), thus providing an interface between the primary standard dosimetry laboratory and Malaysian hospitals, clinics and license class H holder. The Medical Physics Calibration Laboratory facility is comprised of a constant potential x-ray system with a capability of 160 kV tube and a series of reference and working standard ion chambers. The stability of reference and working standard ion chambers was measured using strontium-90. Dosimetric instruments used in diagnostic radiology is calibrated in terms of air kerma to comply with an International Code of Practices of dosimetry for example IAEA's Technical Report Series number 457. The new series of standard radiation qualities was established based on ISO/IEC 61267. The measurement of beam homogeneity was measured using film and ion chamber to define the field size at certain distance and kV output was measured using the spectrometer and non-invasive kVp meter. The uncertainties measurement was determined with expended uncertainties to a level of confidence of approximately 95% (coverage factor k=2). This paper describes the available facility and the effort of the Medical Physics Calibration Laboratory to upgrade the laboratory towards ISO/IEC 17025. (author)

Introducción al modelo Topic Maps (ISO/IEC13250:2003

Directory of Open Access Journals (Sweden)

Maria Jesús Colmenero Ruiz

2005-07-01

Full Text Available Se realiza una revisión del estándar ISO/IEC 13250:2003 Topic Maps, resaltando sus posibilidades en el ámbito documental. Tras describir su evolución histórica y la situación actual se desarrollan los conceptos que componen este modelo, los tres elementos básicos (topic, association, y occurrence y dos más (scope y public subject, analizando sus posibilidades para la organización del conocimiento, como estructura de navegación semántica y para la interoperabilidad. Se analizan los elementos más interesantes de la especificación XTM 1.0 y, por último, se detallan algunos de los entornos en los que está siendo aplicado.

ISO/IEC 17025 laboratory accreditation of NRC Acoustical Standards Program

Science.gov (United States)

Wong, George S. K.; Wu, Lixue; Hanes, Peter; Ohm, Won-Suk

2004-05-01

Experience gained during the external accreditation of the Acoustical Standards Program at the Institute for National Measurement Standards of the National Research Council is discussed. Some highlights include the preparation of documents for calibration procedures, control documents with attention to reducing future paper work and the need to maintain documentation or paper trails to satisfy the external assessors. General recommendations will be given for laboratories that are contemplating an external audit in accordance to the requirements of ISO/IEC 17025.

Evaluation of a LiF:Mg,Ti thermoluminescent ring dosimeter according to the IEC 62387:2012 standards

Energy Technology Data Exchange (ETDEWEB)

Oliveira, Edyelle L.B.; Barros, Vinícius S.M. de; Asfora, Viviane K.; Khoury, Helen J., E-mail: vsmdbarros@gmail.com [Unversidade Federal de Pernambuco (UFPE), Recife, PE (Brazil). Departamento de Energia Nuclear

2017-07-01

This work shows results of type testing of a ring dosimeter system under new IEC 62387:2012. The personal dosimeter investigated in this work consists of a commercial one element plastic ring (RADOS) which contains an LiF:Mg,Ti. By applying requirements for statistical fluctuations and linearity, a minimum measurable dose in Hp(0.07) was established. Energy and angular dependence aided in determining energy correction factors and fading requirements were used to select the most appropriate preheat scheme. Type testing of passive radiation monitors performed in the Radiation Metrology Laboratory (LMRI-DEN/UFPE) of the Federal University of Pernambuco is a major step in Brazil for the independent evaluation of these dosimeters, currently not available in the country. (author)

Electron emitter pulsed-type cylindrical IEC

International Nuclear Information System (INIS)

Miley, G.H.; Gu, Y.; Stubbers, R.; Zich, R.; Anderl, R.; Hartwell, J.

1997-01-01

A cylindrical version of the single grid Inertial Electrostatic Confinement (IEC) device (termed the C-device) has been developed for use as a 2.5-MeV D-D fusion neutron source for neutron activation analysis. The C-device employs a hollow-tube type cathode with similar anodes backed up by ''reflector'' dishes. The resulting discharge differs from a conventional hollow cathode discharge, by creating an explicit ion beam which is ''pinched'' in the cathode region. Resulting fusion reactions generate ∼10 6 neutron/s. A pulsed version is under development for applications requiring higher fluxes. Several pulsing techniques are under study, including an electron emitter (e-emitter) assisted discharge in a thorated tungsten wire emitter located behind a slotted area in the reflector dishes. Pulsing is initiated after establishing a low power steady-state discharge by pulsing the e-emitter current using a capacitor switch type circuit. The resulting electron jet, coupled with the discharge by the biased slot array, creates a strong pulse in the pinched ion beam. The pulse length/repetition rate are controlled by the e-emitter pulse circuit. Typical parameters in present studies are ∼30micros, 10Hz and 1-amp ion current. Corresponding neutron measurements are an In-foil type activation counter for time averaged rates. Results for a wide variety of operating conditions are presented

75 FR 70911 - Third Party Testing for Certain Children's Products; Children's Sleepwear, Sizes 0 Through 6X and...

Science.gov (United States)

2010-11-19

... ISO/IEC 17025:2005, General Requirements for the Competence of Testing and Calibration Laboratories... requirements of the ISO[sol]IEC 17025:2005 laboratory accreditation standard is provided in the CPSC staff...]IEC 17025 accredited by an ILAC-MRA signatory and the scope of the accreditation included the...

ACCUWIND - Methods for classification of cup anemometers

Energy Technology Data Exchange (ETDEWEB)

Dahlberg, J.Aa.; Friis Pedersen, T.; Busche, P.

2006-05-15

Errors associated with the measurement of wind speed are the major sources of uncertainties in power performance testing of wind turbines. Field comparisons of well-calibrated anemometers show significant and not acceptable difference. The European CLASSCUP project posed the objectives to quantify the errors associated with the use of cup anemometers, and to develop a classification system for quantification of systematic errors of cup anemometers. This classification system has now been implemented in the IEC 61400-12-1 standard on power performance measurements in annex I and J. The classification of cup anemometers requires general external climatic operational ranges to be applied for the analysis of systematic errors. A Class A category classification is connected to reasonably flat sites, and another Class B category is connected to complex terrain, General classification indices are the result of assessment of systematic deviations. The present report focuses on methods that can be applied for assessment of such systematic deviations. A new alternative method for torque coefficient measurements at inclined flow have been developed, which have then been applied and compared to the existing methods developed in the CLASSCUP project and earlier. A number of approaches including the use of two cup anemometer models, two methods of torque coefficient measurement, two angular response measurements, and inclusion and exclusion of influence of friction have been implemented in the classification process in order to assess the robustness of methods. The results of the analysis are presented as classification indices, which are compared and discussed. (au)

75 FR 81789 - Third Party Testing for Certain Children's Products; Full-Size Baby Cribs and Non-Full-Size Baby...

Science.gov (United States)

2010-12-28

... Standardization (ISO)/International Electrotechnical Commission (IEC) Standard 17025:2005, ``General Requirements... and of the requirements of the ISO/IEC 17025:2005 laboratory accreditation standard is provided in the... accreditation must be to ISO Standard ISO/IEC 17025:2005, ``General Requirements for the Competence of Testing...

Parametrics for Molecular Deuterium Concentrations in the Source Region of the UW-IEC Device Using an Ion Acoustic Wave Diagnostic

Science.gov (United States)

Boris, D. R.; Emmert, G. A.

2007-11-01

The ion source region of the UW-Inertial Electrostatic Confinement device is comprised of a filament assisted DC discharge plasma that exists between the wall of the IEC vacuum chamber and the grounded spherical steel grid that makes up the anode of the IEC device. A 0-dimensional rate equation calculation of the molecular deuterium ion species concentration has been applied utilizing varying primary electron energy, and neutral gas pressure. By propagating ion acoustic waves in the source region of the IEC device the concentrations of molecular deuterium ion species have been determined for these varying plasma conditions, and high D3^+ concentrations have been verified. This was done by utilizing the multi-species ion acoustic wave dispersion relation, which relates the phase speed of the multi-species ion acoustic wave, vph, to the sum in quadrature of the concentration weighted ion acoustic sound speeds of the individual ion species.

Augmented internalisation of ferroportin to late endosomes impairs iron uptake by enterocyte-like IEC-6 cells.

Science.gov (United States)

Oates, Phillip S; Thomas, Carla

2005-08-01

Absorption of iron occurs by duodenal enterocytes, involving uptake by the divalent metal transporter-1 (DMT1) and release by ferroportin. Ferroportin responds to the hepatocyte-produced 25-amino-acid-peptide hepcidin-25 by undergoing internalisation to late endosomes that impair iron release. Ferroportin is also expressed on the apical membrane of polarised Caco-2 cells, rat intestinal cells and in IEC-6 cells (an intestinal epithelial cell line). A blocking antibody to ferroportin also impairs the uptake, but not the release, of iron. In this study IEC-6 cells were used to study the mechanism of impairment or recovery from impairment produced by the blocking antibody and the fate of DMT1 and ferroportin. Uptake of 1 muM Fe(II) was studied by adding the antibody from time 0 and after adding or removing the antibody once a steady state had been reached. Surface binding, maximum iron transport rate V(max) and transporter affinity (K(m)) were measured after impairment of iron uptake. Ferroportin and DMT1 distribution were assessed by immunofluorescence microscopy. Antibody-mediated impairment, or recovery from impairment, of Fe(II) uptake occurred within minutes. Impairment was lost when the antibody was combined with the immunizing peptide. DMT1 and ferroportin undergo internalisation to late endosomes and, in the presence of the antibody, augmented internalisation of DMT1 and ferroportin caused swelling of late endosomes. Surface binding of Fe(II) and iron transport V(max) were reduced by 50%, indicating that the antibody removed membrane-bound DMT1. The ferroportin antibody induced rapid turnover of membrane ferroportin and DMT1 and its internalisation to late endosomes, resulting in impaired Fe(II) uptake.

12 CFR 563e.22 - Lending test.

Science.gov (United States)

2010-01-01

... 12 Banks and Banking 5 2010-01-01 2010-01-01 false Lending test. 563e.22 Section 563e.22 Banks and... Assessing Performance § 563e.22 Lending test. (a) Scope of test. (1) The lending test evaluates a savings... community development lending criterion. (b) Performance criteria. The OTS evaluates a savings association's...

Tamarix gallica phenolics protect IEC-6 cells against H2O2 induced stress by restricting oxidative injuries and MAPKs signaling pathways.

Science.gov (United States)

Bettaib, Jamila; Talarmin, Hélène; Droguet, Mickaël; Magné, Christian; Boulaaba, Mondher; Giroux-Metges, Marie-Agnès; Ksouri, Riadh

2017-05-01

Polyphenolic compounds gained interest in the pharmaceutical research area due to their beneficial properties. Herein, antioxidant and cytoprotective capacities of T. gallica extract on H 2 O 2 -challenged rat small intestine epithelial cells were investigated. To set stress conditions, IEC-6 cultures were challenged with numerous H 2 O 2 doses and durations. Then, 40μM H 2 O 2 during 4h were selected to assess the cytoprotective effect of different T. gallica extract concentrations. Oxidative parameters, measured through CAT and SOD activities as well as MDA quantification were assessed. In addition, the expression of possibly involved MAPKs was also valued. Main results reported that T. gallica was rich in polyphenols and exhibited an important antioxidant activity (DPPH Assay, IC 50 =6μgmL -1 ; ABTS + test, IC 50 =50μgmL -1 ; Fe-reducing power, EC 50 =100μgmL -1 ). The exposure of IEC-6 cultures to 40μM H 2 O 2 during 4h caused oxidative stress manifested by (i) over 70% cell mortality, (ii) over-activity of CAT (246%), (iii) excess in MDA content (18.4nmolmg -1 ) and (iiii) a trigger of JNK phosphorylation. Pretreatment with T. gallica extract, especially when used at 0.25μgmL -1 , restored cell viability to 122%, and normal cell morphology in H 2 O 2 -chalenged cells. In addition, this extract normalized CAT activity and MDA content (100% and 14.7nmolmg -1 , respectively) to their basal levels as compared to control cells. Furthermore, stopping cell death seems to be due to dephosphorylated JNK MAPK exerted by T. gallica bioactive compounds. In all, T. gallica components provided a cross-talk between regulatory pathways leading to an efficient cytoprotection against harmful oxidative stimulus. Copyright © 2017 Elsevier Masson SAS. All rights reserved.

Compliance of the CERN electronics used by the LHC Cryogenic System with the Electromagnetic Compatibility (EMC) Norm IEC 61000 4-4

CERN Document Server

Casas, J

2011-01-01

Within the ITER-CERN collaboration agreement, task “PROCUREMENT OF CRYOGENIC THERMOMETERS TO MONITOR ITER MAGNETS AND FEEDER TEMPERATURES”, CERN is recommending the use by ITER of LHC like electronics for the temperature channels. ITER require that any electronic equipment shall be qualified according to the standard IEC 61000 4-4 that refers to the Electromagnetic compatibility (EMC), Part 4: Testing and measurement techniques, Section 4: Electrical fast transient/burst immunity test (EFT/B). This document describes the qualification procedure and the results for the LHC like temperature measurement chains according to the procedures described in the standard.

IMPER: Characterization of the wind field over a large wind turbine rotor - final report; Improved performance

Energy Technology Data Exchange (ETDEWEB)

Schmidt Paulsen, U.; Wagner, R.

2012-01-15

A modern wind turbine rotor with a contemporary rotor size would easily with the tips penetrate the air between 116 m and 30 m and herby experience effects of different wind. With current rules on power performance measurements such as IEC 61400-121 the reference wind speed is measured at hub height, an oversimplification of the wind energy power over the rotor disk area is carried out. The project comprised a number of innovative and coordinated measurements on a full scale turbine with remote sensing technology and simulations on a 500 kW wind turbine for the effects of wind field characterization. The objective with the present report is to give a short overview of the different experiments carried out and results obtained within the final phase of this project. (Author)

Generic Hurricane Extreme Seas State

DEFF Research Database (Denmark)

Wehmeyer, Christof; Skourup, Jesper; Frigaard, Peter

2012-01-01

Extreme sea states, which the IEC 61400-3 (2008) standard requires for the ultimate limit state (ULS) analysis of offshore wind turbines are derived to establish the design basis for the conceptual layout of deep water floating offshore wind turbine foundations in hurricane affected areas....... Especially in the initial phase of floating foundation concept development, site specific metocean data are usually not available. As the areas of interest are furthermore not covered by any design standard, in terms of design sea states, generic and in engineering terms applicable environmental background...... data is required for a type specific conceptual design. ULS conditions for different return periods are developed, which can subsequently be applied in siteindependent analysis and conceptual design. Recordings provided by National Oceanic and Atmospheric Administration (NOAA), of hurricanes along...

Prüfungen zur Beurteilung der Brandgefahr; Beispiele für Verfahren zur Beurteilung einer Brandgefahr und für die Auslegung von Ergebnissen; 3.1: Kennwerte der Verbrennung und Übersicht über Prüfverfahren zu ihrer Ermittlung; Identisch mit IEC 60695-3-1, Ausgabe 1982

CERN Document Server

Deutsches Institut für Normung. Berlin

1986-01-01

Prüfungen zur Beurteilung der Brandgefahr; Beispiele für Verfahren zur Beurteilung einer Brandgefahr und für die Auslegung von Ergebnissen; 3.1: Kennwerte der Verbrennung und Übersicht über Prüfverfahren zu ihrer Ermittlung; Identisch mit IEC 60695-3-1, Ausgabe 1982

New way of demonstrating the competence of a laboratory measuring radionuclides - The international draft standard ISO/IEC DIS 17025

International Nuclear Information System (INIS)

Palsson, S.E.

1999-01-01

In recent years there has been increased interest, and even need, amongst laboratories performing measurements of radionuclides to obtain accreditation. It has been discussed how this could be achieved with maximum flexibility for the laboratories and with minimum effort. The issuing of a new draft international standard, the ISO/IEC DIS 17025, created speculations whether it could offer a new and better way for laboratories to obtain accreditation. It was decided within the NKS/BOK-1.1 project to explore possible options for obtaining accreditation and what possibilities the new standard could offer. The benefits of computerised document control systems were also explored. The results were reported at the 12th Annual Meeting of the Nordic Society for Radiation Protection, 23-27 August 1999. Since then the final version of the standard has been published. The voting will continue until November 16th 1999 and is not clear at present whether the standard will be accepted or not. The original version of this paper was updated to reflect these recent developments. (au)

Control and management of distribution system with integrated DERs via IEC 61850 based communication

Directory of Open Access Journals (Sweden)

Ikbal Ali

2017-06-01

Full Text Available Distributed Energy Resources (DERs are being increasingly integrated in the distribution systems and resulting in complex power flow scenarios. In such cases, effective control, management and protection of distribution systems becomes highly challenging. Standardized and interoperable communication in distribution systems has the potential to deal with such challenges to achieve higher energy efficiency and reliability. Ed. 2 of IEC 61850 standards, for utility automation, standardizing the exchange of data among different substations, DERs, control centers, PMUs and PDCs. This paper demonstrates the modelling of information and services needed for control, management and protection of distribution systems with integrated DERs. This paper has used IP tunnels and/or mapping over IP layer for transferring IEC 61850 messages, such as sample values (SVs and GOOSE (Generic Object Oriented Substation Event, over distribution system Wide Area Network (WAN. Finally performance of the proposed communication configurations for different applications is analyzed by calculating End-to-End (ETE delay, throughput and jitter.

Adopting ISO 9712:2005 and ISO/IEC 17024:2003 as Philippine national standard for NDT for global competitiveness

International Nuclear Information System (INIS)

Banaga, Renato T.; Mateo, Alejandro J.

2005-01-01

This paper describes and promotes the adoption of ISO 9712: 2005 edition and the ISO/IEC 17024: 2003 edition by the Philippines to be globally competitive. ISO 9712 is a standard for qualifications and certification of nondestructive testing (NDT) personnel while ISO/IEC 17024 is conformity assessment-general requirements for bodies operating certification of persons. ISO 9712 defies that the effectiveness of an application of nondestructive testing depends on the capabilities and qualifications of personnel performing the NDT test. The Philippines through the national certifying body (NCB) implements the certification of proficiency of NDT personnel in accordance with the Philippine National Standards (PNS-146: 1998) This standard (formerly PNS-146: 1987) was originally based from the draft ISO/TC-135/SC7N35.3 and was later revised to conform to the latest ISO FDIS 9712: 1997 and rename PNS-146: 1998. Now with the issuance of the latest ISO 9712:2005 edition and to keep abreast with the current trends of NDT technology, present time and conditions dictates for us to revise our NDT personnel certification to the latest edition of ISO 9712. The International Atomic Energy Agency (IAEA) supports the establishment of a common NDT standard. The IAEA is promoting af financially supporting the establishment in developing countries of only one NDT standard. The IAEA through the Regional Cooperative Agreement (RCA) has initiated the harmonization of the NDT qualification and certification of personnel in the RCA member states. In October 2001, the IAEA sponsored the Dhaka meeting where the International Committee for Nondestructive Testing (ICNDT), Asia-Pacific Committee (APCNDT) and RCA member states representatives drafted a Mutual Recognition Agreement (MRA) for the Asia-Pacific NDT (APCNDT) personnel certification schemes acording to ISO 9712. Last August 2005, IAEA/RCA sponsored the Colombo meeting for the harmonization of regional NDT applying ISO 9712 and ISO/IEC

Assuring the Quality of Test Results in the Field of Nuclear Techniques and Ionizing Radiation. The Practical Implementation of Section 5.9 of the EN ISO/IEC 17025 Standard

Science.gov (United States)

Cucu, Daniela; Woods, Mike

2008-08-01

The paper aims to present a practical approach for testing laboratories to ensure the quality of their test results. It is based on the experience gained in assessing a large number of testing laboratories, discussing with management and staff, reviewing results obtained in national and international PTs and ILCs and exchanging information in the EA laboratory committee. According to EN ISO/IEC 17025, an accredited laboratory has to implement a programme to ensure the quality of its test results for each measurand. Pre-analytical, analytical and post-analytical measures shall be applied in a systematic manner. They shall include both quality control and quality assurance measures. When designing the quality assurance programme a laboratory should consider pre-analytical activities (like personnel training, selection and validation of test methods, qualifying equipment), analytical activities ranging from sampling, sample preparation, instrumental analysis and post-analytical activities (like decoding, calculation, use of statistical tests or packages, management of results). Designed on different levels (analyst, quality manager and technical manager), including a variety of measures, the programme shall ensure the validity and accuracy of test results, the adequacy of the management system, prove the laboratory's competence in performing tests under accreditation and last but not least show the comparability of test results. Laboratory management should establish performance targets and review periodically QC/QA results against them, implementing appropriate measures in case of non-compliance.

Assuring the Quality of Test Results in the Field of Nuclear Techniques and Ionizing Radiation. The Practical Implementation of Section 5.9 of the EN ISO/IEC 17025 Standard

International Nuclear Information System (INIS)

Cucu, Daniela; Woods, Mike

2008-01-01

The paper aims to present a practical approach for testing laboratories to ensure the quality of their test results. It is based on the experience gained in assessing a large number of testing laboratories, discussing with management and staff, reviewing results obtained in national and international PTs and ILCs and exchanging information in the EA laboratory committee.According to EN ISO/IEC 17025, an accredited laboratory has to implement a programme to ensure the quality of its test results for each measurand. Pre-analytical, analytical and post-analytical measures shall be applied in a systematic manner. They shall include both quality control and quality assurance measures.When designing the quality assurance programme a laboratory should consider pre-analytical activities (like personnel training, selection and validation of test methods, qualifying equipment), analytical activities ranging from sampling, sample preparation, instrumental analysis and post-analytical activities (like decoding, calculation, use of statistical tests or packages, management of results).Designed on different levels (analyst, quality manager and technical manager), including a variety of measures, the programme shall ensure the validity and accuracy of test results, the adequacy of the management system, prove the laboratory's competence in performing tests under accreditation and last but not least show the comparability of test results.Laboratory management should establish performance targets and review periodically QC/QA results against them, implementing appropriate measures in case of non-compliance

Proficiency tests for evaluation of the {sup 99}Tc{sup m} measurements in the nuclear medicine; Aplicacao de teste de proficiencia para avaliacao da medicao de {sup 99}Tc{sup m} na medicina nuclear

Energy Technology Data Exchange (ETDEWEB)

Iwahara, Akira; Tauhata, Luiz; Oliveira, Antonio Eduardo de, E-mail: iwahara@ird.gov.b, E-mail: tauhata@ird.gov.b, E-mail: aedu@ird.gov.b [Instituto de Radioprotecao e Dosimetria (IRD/CNEN-RJ), Rio de Janeiro, RJ (Brazil); Nicoli, Ieda Gomes, E-mail: ieda@ird.gov.b [Comissao Nacional de Energia Nuclear (CNEN/DF), Brasilia, DF (Brazil). Escritorio de Brasilia; Alabarse, Frederico Gil; Xavier, Ana Maria, E-mail: falabarse@ird.gov.b, E-mail: axavier@ird.gov.b [Comissao Nacional de Energia Nuclear (ESPOA/CNEN-RS), Porto Alegre, RS (Brazil). Escritorio de Porto Alegre

2009-07-01

This work performs the performance evaluation of 55 Brazilian nuclear medicine services in activity measurement of radiopharmaceutical containing {sup 99}Tc{sup m}. Proficiency tests based on the acceptance criteria of the Regulation ISO/IEC Guide 43-1 and on the accuracy of the brazilian Regulation CNEN-NN-3.05 were applied in 63 results of activity measurements in radionuclide calibrators used by those services. The performance services has shown that the criteria of the ISO/IEC 43-1, nevertheless to be more restrictive, presents results very consistent with the accuracy criteria requested by the Brazilian regulation

Photovoltaic Module Qualification Plus Testing

Energy Technology Data Exchange (ETDEWEB)

Kurtz, Sarah [National Renewable Energy Lab. (NREL), Golden, CO (United States); Wohlgemuth, John [National Renewable Energy Lab. (NREL), Golden, CO (United States); Kempe, Michael [National Renewable Energy Lab. (NREL), Golden, CO (United States); Bosco, Nick [National Renewable Energy Lab. (NREL), Golden, CO (United States); Hacke, Peter [National Renewable Energy Lab. (NREL), Golden, CO (United States); Jordan, Dirk [National Renewable Energy Lab. (NREL), Golden, CO (United States); Miller, David C. [National Renewable Energy Lab. (NREL), Golden, CO (United States); Silverman, Timothy J. [National Renewable Energy Lab. (NREL), Golden, CO (United States); Phillips, Nancy [3M Company, Maplewood, MN (United States); Earnest, Thomas [DuPont, Wilmington, DE (United States); Romero, Ralph [Black & Veatch, Overland Park, KS (United States)

2013-12-01

This report summarizes a set of test methods that are in the midst of being incorporated into IEC 61215 for certification of a module design or other tests that go beyond certification to establish bankability.

The IEC-publication 336/1981 - new formulation of the standards for X-ray foci

International Nuclear Information System (INIS)

Geldner, E.; Schnitger, H.

1982-01-01

With the new IEC-standard for foci a clear distinction has been made between application oriented focus classification, expressed by the focus nominal value as a dimensionless number and the detectable real geometric focus measured in the sense of the principle 'Truth in advertising'. Now, even regions of a size [de

RERTR-12 Insertion 1 Irradiation Summary Report

International Nuclear Information System (INIS)

Perez, D.M.; Lillo, M.A.; Chang, G.S.; Woolstenhulme, N.E.; Roth, G.A.; Wachs, D.M.

2012-01-01

The Reduced Enrichment for Research and Test Reactor (RERTR) experiment RERTR-12 was designed to provide comprehensive information on the performance of uranium-molybdenum (U-Mo) based monolithic fuels for research reactor applications. RERTR-12 insertion 1 includes the capsules irradiated during the first two irradiation cycles. These capsules include Z, X1, X2 and X3 capsules. The following report summarizes the life of the RERTR-12 insertion 1 experiment through end of irradiation, including as-run neutronic analysis results, thermal analysis results and hydraulic testing results.

Assessment of Information Security Management System based on ISO/IEC 27001:2013 On Subdirectorate of Data Center and Data Recovery Center in Ministry of Internal Affairs

Science.gov (United States)

Kurnianto, Ari; Isnanto, Rizal; Widodo, Aris Puji

2018-02-01

Information security is a problem effected business process of an organization, so it needs special concern. Information security assessment which is good and has international standard is done using Information Security Management System (ISMS) ISO/IEC 27001:2013. In this research, the high level assessment has been done using ISO/IEC 27001:2013 to observe the strength of information secuity in Ministry of Internal Affairs. The research explains about the assessment of information security management which is built using PHP. The input data use primary and secondary data which passed observation. The process gets maturity using the assessment of ISO/IEC 27001:2013. GAP Analysis observes the condition now a days and then to get recommendation and road map. The result of this research gets all of the information security process which has not been already good enough in Ministry of Internal Affairs, gives recommendation and road map to improve part of all information system being running. It indicates that ISO/IEC 27001:2013 is good used to rate maturity of information security management. As the next analyzation, this research use Clause and Annex in ISO/IEC 27001:2013 which is suitable with condition of Data Center and Data Recovery Center, so it gets optimum result and solving problem of the weakness information security.

Reliability Prediction Approaches For Domestic Intelligent Electric Energy Meter Based on IEC62380

Science.gov (United States)

Li, Ning; Tong, Guanghua; Yang, Jincheng; Sun, Guodong; Han, Dongjun; Wang, Guixian

2018-01-01

The reliability of intelligent electric energy meter is a crucial issue considering its large calve application and safety of national intelligent grid. This paper developed a procedure of reliability prediction for domestic intelligent electric energy meter according to IEC62380, especially to identify the determination of model parameters combining domestic working conditions. A case study was provided to show the effectiveness and validation.

Evaluation of the 1Shot Phantom dedicated to the mammography system using FCR

International Nuclear Information System (INIS)

Nagashima, Chieko; Uchiyama, Nachiko; Moriyama, Noriyuki; Nagata, Mio; Kobayashi, Hiroyuki; Sankoda, Katsuhiro; Saotome, Shigeru; Tagi, Masahiro; Kusunoki, Tetsurou

2009-01-01

Currently daily quality control (QC) tests for mammography systems are generally evaluated by using visual analysis phantoms, which of course means subjective measurement. In our study, however, we evaluated a novel digital phantom, the 1Shot Phantom M plus (1Shot Phantom), together with automatic analysis software dedicated for mammography systems using Fuji computed radiography (FCR). The digital phantom enables objective evaluation by providing for actual physical measurement rather than subjective visual assessment. We measured contrast to noise ratio (CNR), image receptor homogeneity, missed tissue at chest wall side, modulation transfer function (MTF), and geometric distortion utilizing the 1Shot Phantom. We then compared the values obtained using the 1Shot Phantom with values obtained from the European guidelines and International Electrotechnical Commission (IEC) standards. In addition, we evaluated the convenience of using the digital phantom. The values utilizing the 1Shot Phantom and those from the European guidelines and IEC standards were consistent, but the QC tests for the European guidelines and IEC standards methods took about six hours while the same QC tests using the 1Shot Phantom took 10 minutes or less including exposure of the phantom image, measurement, and analysis. In conclusion, the digital phantom and dedicated software proved very useful and produced improved analysis for mammography systems using FCR in clinical daily QC testing because of their objectivity and substantial time-saving convenience. (author)

Tailoring ISO/IEC 27001 for SMEs: A Guide to Implement an Information Security Management System in Small Settings

Science.gov (United States)

Valdevit, Thierry; Mayer, Nicolas; Barafort, Béatrix

While Information Security Management Systems (ISMS) are being adopted by the biggest IT companies, it remains quite difficult for smaller entities to implement and maintain all the requirements of ISO/IEC 27001. In order to increase information security in Luxembourg, the Public Research Centre Henri Tudor has been charged by the Luxembourg Ministry of Economy and Foreign Trade to find solutions to facilitate ISMS deployment for SMEs. After an initial experiment aiming at assisting a SME in getting the first national ISO/IEC 27001 certification for a private company, an implementation guide for deploying an ISMS, validated by local experts and experimented in SMEs, has been released and is presented in this paper.

Cylindrical IEC neutron source design for driven research reactor operation

International Nuclear Information System (INIS)

Miley, G.H.; Ulmen, B.; Amadio, G.; Leon, H.; Hora, H.

2009-01-01

A resurgence in nuclear power use is now underway worldwide. However, due many university research reactors shutdown, they must rely on using subcritical assemblies which employs a cylindrical Inertial Electrostatic Confinement (IEC) device to provide a fusion neutron source. The source is inserted in a fuel element position, with its power input controlled externally at a control panel. This feature opens the way to use of the critical assembly for a number of transient experiments such as sub-critical pulsing and neutron wave propagation. That in turn adds important new insights and excitement for the student teaching laboratory. (author)

A fully automated system for ultrasonic power measurement and simulation accordingly to IEC 61161:2006

NARCIS (Netherlands)

Costa-Felix, R.P.B.; Alvarenga, A.V.; Hekkenberg, R.

2011-01-01

The ultrasonic power measurement, worldwide accepted, standard is the IEC 61161, presently in its 2nd edition (2006), but under review. To fulfil its requirements, considering that a radiation force balance is to be used as ultrasonic power detector, a large amount of raw data (mass measurement)

IEC60193存在的部分问题及新国标对其的修正%Some Problems which Exist in IEC 60193 and the Amendment by the New National Standard

Institute of Scientific and Technical Information of China (English)

徐洪泉; 刘诗琪; 宫让勤; 梁妍

2012-01-01

本文在肯定IEC60193的同时,指出了其存在的部分问题,并结合新修订的国家标准对这些问题加以修正,从水轮机公称直径的定义、流道测量偏差要求的表述及空化系数定义等三个方面提出了比较符合中国实际的定义或表述.%This paper affirms the achievements of the IEC 60193, meanwhile, it points out some problems which exist in it, and considering the amendment by the New Chinese National Standard. It puts forward the definition or description which is in accord with actual situation of China from the three aspects of the definition for nominal diameter of the hydraulic turbines, the statement for requirement of the water passage flow measurement deviation and the definition of the cavitation sigma.

Photosynthesis-Inhibiting Activity of 1-[(2-Chlorophenylcarbamoyl]- and 1-[(2-Nitrophenylcarbamoyl]naphthalen-2-yl Alkylcarbamates

Directory of Open Access Journals (Sweden)

Tomas Gonec

2017-07-01

Full Text Available Eight 1-[(2-chlorophenylcarbamoyl]naphthalen-2-yl alkylcarbamates and eight 1-[(2-nitrophenylcarbamoyl]naphthalen-2-yl alkylcarbamates were tested for their activity related to the inhibition of photosynthetic electron transport (PET in spinach (Spinacia oleracea L. chloroplasts. The PET-inhibiting activity of the compounds was relatively low; the corresponding IC50 values ranged from 0.05 to 0.664 mmol/L; and the highest activity within the series of compounds was observed for 1-[(2-chlorophenyl-carbamoyl]naphthalen-2-yl propylcarbamate. It has been proven that the compounds are PET-inhibitors in photosystem II. Despite rather low PET-inhibiting activities, primary structure-activity trends can be discussed.

RBMK nuclear reactors: Proposals for instrumentation and control improvements to enhanced safety and availability. IEC technical report of type 3. Working material

International Nuclear Information System (INIS)

1995-01-01

The present material presents a CD+V draft report ''RBMK nuclear reactors: Proposals for instrumentation and control improvements to enhance safety and availability'' prepared by the Joint IEC/IAEA team during 1993-1995. Experience has demonstrated the need to improve the safety instrumentation of the RBMK type reactors using well proven modern technology. The working group identified the upgrades and changes of the highest priority based on the evaluation of the RBMK systems and the events where the instrumentation was found to be inadequate for safe operation. The subjects discussed in this document were not selected on a systematic basis but were selected by the IEC and IAEA experts as considered to be appropriate to the activities of the IEC and for which technical experience was available. The items identified therefore do not reflect any ranking of the safety issues or any priority or impact on safety of any of the measures were they to be implemented. Many important safety issued and areas where physical measures are required to improve safety have been omitted and indeed not even acknowledged in this document. The recommendations presented in the document differ from those normally produced by the IEC in the form of standards as they are of a transitory nature and some have already been overtaken by the continuing process of improvements to plant safety. Figs and tabs

Assessment of Information Security Management System based on ISO/IEC 27001:2013 On Subdirectorate of Data Center and Data Recovery Center in Ministry of Internal Affairs

Directory of Open Access Journals (Sweden)

Kurnianto Ari

2018-01-01

Full Text Available Information security is a problem effected business process of an organization, so it needs special concern. Information security assessment which is good and has international standard is done using Information Security Management System (ISMS ISO/IEC 27001:2013. In this research, the high level assessment has been done using ISO/IEC 27001:2013 to observe the strength of information secuity in Ministry of Internal Affairs. The research explains about the assessment of information security management which is built using PHP. The input data use primary and secondary data which passed observation. The process gets maturity using the assessment of ISO/IEC 27001:2013. GAP Analysis observes the condition now a days and then to get recommendation and road map. The result of this research gets all of the information security process which has not been already good enough in Ministry of Internal Affairs, gives recommendation and road map to improve part of all information system being running. It indicates that ISO/IEC 27001:2013 is good used to rate maturity of information security management. As the next analyzation, this research use Clause and Annex in ISO/IEC 27001:2013 which is suitable with condition of Data Center and Data Recovery Center, so it gets optimum result and solving problem of the weakness information security.

A Grid Voltage Measurement Method for Wind Power Systems during Grid Fault Conditions

Directory of Open Access Journals (Sweden)

Cheol-Hee Yoo

2014-11-01

Full Text Available Grid codes in many countries require low-voltage ride-through (LVRT capability to maintain power system stability and reliability during grid fault conditions. To meet the LVRT requirement, wind power systems must stay connected to the grid and also supply reactive currents to the grid to support the recovery from fault voltages. This paper presents a new fault detection method and inverter control scheme to improve the LVRT capability for full-scale permanent magnet synchronous generator (PMSG wind power systems. Fast fault detection can help the wind power systems maintain the DC-link voltage in a safe region. The proposed fault detection method is based on on-line adaptive parameter estimation. The performance of the proposed method is verified in comparison to the conventional voltage measurement method defined in the IEC 61400-21 standard.

Experimental Test of Entropic Noise-Disturbance Uncertainty Relations for Spin-1/2 Measurements.

Science.gov (United States)

Sulyok, Georg; Sponar, Stephan; Demirel, Bülent; Buscemi, Francesco; Hall, Michael J W; Ozawa, Masanao; Hasegawa, Yuji

2015-07-17

Information-theoretic definitions for noise and disturbance in quantum measurements were given in [Phys. Rev. Lett. 112, 050401 (2014)] and a state-independent noise-disturbance uncertainty relation was obtained. Here, we derive a tight noise-disturbance uncertainty relation for complementary qubit observables and carry out an experimental test. Successive projective measurements on the neutron's spin-1/2 system, together with a correction procedure which reduces the disturbance, are performed. Our experimental results saturate the tight noise-disturbance uncertainty relation for qubits when an optimal correction procedure is applied.

12 CFR 25.23 - Investment test.

Science.gov (United States)

2010-01-01

... 12 Banks and Banking 1 2010-01-01 2010-01-01 false Investment test. 25.23 Section 25.23 Banks and Banking COMPTROLLER OF THE CURRENCY, DEPARTMENT OF THE TREASURY COMMUNITY REINVESTMENT ACT AND INTERSTATE... minority neighborhood to a minority depository institution or women's depository institution (as these...

The CMMI Product Suite and International Standards

Science.gov (United States)

2006-07-01

standards: “2.3 Reference Documents 2.3.1 Applicable ISO /IEC documents, including ISO /IEC 12207 and ISO /IEC 15504.” “3.1 Development User Requirements...related international standards such as ISO 9001:2000, 12207 , 15288 © 2006 by Carnegie Mellon University Page 12 Key Supplements Needed...the Measurement Framework in ISO /IEC 15504; and • the Process Reference Model included in ISO /IEC 12207 . A possible approach has been developed for

12 tesla test coil. Annual progress report

International Nuclear Information System (INIS)

1979-01-01

The Plasma Fusion Center at MIT has been charged with responsibility for the design, development, fabrication and test operation of a Niobium-3-Tin Superconducting Test Coil. Research is described on DOE's 12 tesla coil demonstration program in which several one-meter diameter superconducting test coils will be inserted and tested in DOE's High Field Test Facility at the Lawrence Livermore Laboratories. The work was initiated at the start of FY 79. FY 79 saw the completion of our Preliminary Design and the initiation of three (3) subcontracts: (1) Westinghouse review of the Preliminary Design, (II) Supercon, Inc. development of a tubular copper matrix, Nb 3 Sn Superconductor and (III) Airco optimization of the LCP-W Nb 3 Sn superconductor for 12T service. In addition, Airco was charged with the production of a 1000 foot length of model 15,000A conductor. Coil winding exercises were initiated at the Everson Electric Company

40 CFR 766.12 - Testing guidelines.

Science.gov (United States)

2010-07-01

... 40 Protection of Environment 30 2010-07-01 2010-07-01 false Testing guidelines. 766.12 Section 766... DIBENZO-PARA-DIOXINS/DIBENZOFURANS General Provisions § 766.12 Testing guidelines. Analytical test methods must be developed using methods equivalent to those described or reviewed in Guidelines for the...

Experiences of Women Who Underwent Predictive BRCA 1/2 Mutation Testing Before the Age of 30.

Science.gov (United States)

Brunstrom, Kate; Murray, Alexandra; McAllister, Marion

2016-02-01

This qualitative interview study focuses on the experiences of a sample of British female BRCA 1/2 carriers who had predictive testing before the age of 30, which is the minimum age for breast screening in the UK. Following appropriate informed consent procedures participants were recruited through the Cancer Genetics Service for Wales. Semi-structured interviews were conducted face-to-face with seven participants, transcribed in full and analyzed using thematic analysis. The motives for testing and perceived advantages described by participants were similar to those identified in previous studies with older participants, such as increased awareness and knowledge and feeling more in control. However some of the perceived disadvantages were specific to younger women, including feeling pressured to make important life decisions earlier than they would have liked, such as about family planning and risk reducing surgery. Participants also reported feeling abandoned or forgotten because of lack of ongoing clinical contact, or feeling "stuck waiting" for screening to begin. However, none felt that these disadvantages were a reason to regret having testing. Findings in this small study suggest that having BRCA 1/2 predictive testing can have positive outcomes for young women even though they may be unable to access interventions such as breast screening. However it may be helpful to encourage young women during pre-test counseling to explore the decisions and choices they may face. These young women could benefit from ongoing support and follow up and increased interaction with healthcare professionals.

7th Annual CMMI Technology Conference and User Group. Volume 1. Tuesday Presentations

Science.gov (United States)

2007-11-15

and models • Harmonization of ISO /IEC 12207 (Standard for Information Technology - Software Life Cycle Processes) & ISO /IEC15288 Ø ODUSD(A&T) Systems...15288: SE-System Life Cycle Processes ISO /IEC 12207 : Standard for IT-Software life cycle processes [also Industry Implementation via IEEE/EIA] IEEE...15288 (04) INCOSE SE HB v3.1 (07) ISO /IEC 15288( 07) IEEE/EIA 12207 (97) reaffirmed@ GEIA [03] ISO /IEC 12207 (95) ISO /IEC 12207 07) SE standards

Evaluation of Calypte AWARE HIV-1/2 OMT antibody test as a screening test in an Indian setting

Directory of Open Access Journals (Sweden)

Ingole N

2010-01-01

Full Text Available Purpose: Integrated counselling and testing centres (ICTC provide counselling and blood testing facilities for HIV diagnosis. Oral fluid tests provide an alternative for people whodo not want blood to be drawn. Also, it avoids the risk of occupational exposure. The goal of this study was to evaluate the utility of Calypte AWARE HIV-1/2 OMT antibody test as a screening test in an Indian setting. Materials and Methods: A cross-sectional study was carried out after ethics committee approval in 250 adult ICTC clients. Blood was collected and tested from these clients for HIV diagnosis as per routine policy and the results were considered as the gold standard. Also, after another written informed consent, oral fluid was collected from the clients and tested for the presence of HIV antibodies. Twenty five clients who had and 25 clients who had not completed their secondary school education (Group A and Group B, respectively were also asked to perform and interpret the test on their own and their findings and experiences were noted. Result: The sensitivity, specificity, PPV and NPV of the oral fluid antibody test were 100%, 98.51%, 94.11% and 100%, respectively. Seventy six percent of clients preferred oral fluid testing. Group B found it difficult to perform the test as compared to Group A and this difference was statistically significant (P ≤ 0.05. Conclusion: Oral fluid testing can be used as a screening test for HIV diagnosis; however, confirmation of reactive results by blood-based tests is a must.

12 CFR 25.24 - Service test.

Science.gov (United States)

2010-01-01

... option, the OCC will consider, in its assessment of a bank's service performance, a community development... performance rating. The OCC rates a bank's service performance as provided in appendix A of this part. ... 12 Banks and Banking 1 2010-01-01 2010-01-01 false Service test. 25.24 Section 25.24 Banks and...

Prognostic factors for hereditary cancer distress six months after BRCA1/2 or HNPCC genetic susceptibility testing

NARCIS (Netherlands)

van Oostrom, Iris; Meijers-Heijboer, Hanne; Duivenvoorden, Hugo J.; Brocker-Vriends, Annette H. J. T.; van Asperen, Christi J.; Sijmons, Rolf H.; Seynaeve, Caroline; Van Gool, Arthur R.; Klijn, Jan G. M.; Tibben, Aad

This study explored predictors for hereditary cancer distress six months after genetic susceptibility testing for a known familial BRCA1/2 or HNPCC related mutation, in order to gain insight into aspects relevant for the identification of individuals needing additional psychosocial support. Coping,

Composite Structural Analysis of Flat-Back Shaped Blade for Multi-MW Class Wind Turbine

Science.gov (United States)

Kim, Soo-Hyun; Bang, Hyung-Joon; Shin, Hyung-Ki; Jang, Moon-Seok

2014-06-01

This paper provides an overview of failure mode estimation based on 3D structural finite element (FE) analysis of the flat-back shaped wind turbine blade. Buckling stability, fiber failure (FF), and inter-fiber failure (IFF) analyses were performed to account for delamination or matrix failure of composite materials and to predict the realistic behavior of the entire blade region. Puck's fracture criteria were used for IFF evaluation. Blade design loads applicable to multi-megawatt (MW) wind turbine systems were calculated according to the Germanischer Lloyd (GL) guideline and the International Electrotechnical Commission (IEC) 61400-1 standard, under Class IIA wind conditions. After the post-processing of final load results, a number of principal load cases were selected and converted into applied forces at the each section along the blade's radius of the FE model. Nonlinear static analyses were performed for laminate failure, FF, and IFF check. For buckling stability, linear eigenvalue analysis was performed. As a result, we were able to estimate the failure mode and locate the major weak point.

Design and Analysis of Wind Turbine Blade Hub using Aluminium Alloy AA 6061-T6

Science.gov (United States)

Ravikumar, S.; Jaswanthvenkatram, V.; Sai kumar, Y. J. N. V.; Sohaib, S. Md.

2017-05-01

This work presents the design and analysis of horizontal axis wind turbine blade hub using different material. The hub is very crucial part of the wind turbine, which experience the loads from the blades and the loads were transmitted to the main shaft. At present wind turbine is more expensive and weights more than a million pounds, with the nacelle, rotor hub and blades accounting for most of the weight. In this work Spheroidal graphite cast iron GGG 40.3 is replaced by aluminium alloy 6061-T6 to enhance the casting properties and also to improve the strength-weight ratio. This transition of material leads to reduction in weight of the wind turbine. All the loads caused by wind and extreme loads on the blades are transferred to the hub. Considering the IEC 61400-1 standard for defining extreme loads on the hub the stress and deflection were calculated on the hub by using Finite element Analysis. Result obtained from ANSYS is compared and discussed with the existing design.

A prospective study of the impact of genetic susceptibility testing for BRCA1/2 or HNPCC on family relationships

NARCIS (Netherlands)

van Oostrom, Iris; Meijers-Heijboer, Hanne; Duivenvoorden, Hugo J.; Brocker-Vriends, Annette H. J. T.; van Asperen, Chhstl J.; Sijmons, Rolf H.; Seynaeve, Caroline; Van Gool, Arthur R.; Klijn, Jan G. M.; Riedijk, Samantha R.; van Dooren, Silvia; Tibben, Aad

This study assessed the impact of genetic testing for cancer susceptibility on family relationships and determinants of adverse consequences for family relationships. Applicants for genetic testing of a known familial pathogenic mutation in BRCA1/2 or a HNPCC related gene (N = 271) rated the

A prospective study of the impact of genetic susceptibility testing for BRCA1/2 or HNPCC on family relationships

NARCIS (Netherlands)

van Oostrom, Iris; Meijers-Heijboer, Hanne; Duivenvoorden, Hugo J.; Bröcker-Vriends, Annette H. J. T.; van Asperen, Christi J.; Sijmons, Rolf H.; Seynaeve, Caroline; van Gool, Arthur R.; Klijn, Jan G. M.; Riedijk, Samantha R.; van Dooren, Silvia; Tibben, Aad

2007-01-01

This study assessed the impact of genetic testing for cancer susceptibility on family relationships and determinants of adverse consequences for family relationships. Applicants for genetic testing of a known familial pathogenic mutation in BRCA1/2 or a HNPCC related gene (N=271) rated the

A prospective study of the impact of genetic susceptibility testing for BRCA1/2 or HNPCC on family relationships.

NARCIS (Netherlands)

Oostrom, I.I.H. van; Meijers-Heijboer, H.; Duivenvoorden, H.J.; Brocker-Vriends, A.H.; Asperen, C.J. van; Sijmons, R.H.; Seynaeve, C.; Gool, A.R. van; Klijn, J.G.M.; Riedijk, S.R.; Dooren, S. van; Tibben, A.

2007-01-01

This study assessed the impact of genetic testing for cancer susceptibility on family relationships and determinants of adverse consequences for family relationships. Applicants for genetic testing of a known familial pathogenic mutation in BRCA1/2 or a HNPCC related gene (N=271) rated the

Safety critical systems handbook a straightforward guide to functional safety : IEC 61508 (2010 edition) and related standards

CERN Document Server

Smith, David J

2010-01-01

Electrical, electronic and programmable electronic systems increasingly carry out safety functions to guard workers and the public against injury or death and the environment against pollution. The international functional safety standard IEC 61508 was revised in 2010, and this is the first comprehensive guide available to the revised standard. As functional safety is applicable to many industries, this book will have a wide readership beyond the chemical and process sector, including oil and gas, power generation, nuclear, aircraft, and automotive industries, plus project, instrumentation, design, and control engineers. * The only comprehensive guide to IEC 61508, updated to cover the 2010 amendments, that will ensure engineers are compliant with the latest process safety systems design and operation standards* Helps readers understand the process required to apply safety critical systems standards* Real-world approach helps users to interpret the standard, with case studies and best practice design examples...

Perencanaan dan Implementasi Information Security Management System Menggunakan Framework ISO/IEC 20071

Directory of Open Access Journals (Sweden)

Anggi Anugraha Putra

2016-01-01

Full Text Available Penerapan tata kelola Teknologi Informasi saat ini sudah menjadi kebutuhan dan tuntutan di setiap instansi penyelenggara pelayanan publik mengingat peran TI yang semakin penting bagi upaya peningkatan kualitas layanan sebagai salah satu realisasi dari tata kelola pemerintahan yang baik (Good Corporate Governance. Dalam penyelenggaraan tata kelola TI, faktor keamanan informasi merupakan aspek yang sangat penting diperhatikan mengingat kinerja tata kelola TI akan terganggu jika informasi sebagai salah satu objek utama tata kelola TI mengalami masalah keamanan informasi yang menyangkut kerahasiaan (confidentiality, keutuhan (integrity dan ketersediaan (availability. Information Security Management System (ISMS adalah seperangkat kebijakan berkaitan dengan manajemen keamanan informasi atau terkait dengan risiko TI. Prinsip yang mengatur di balik ISMS adalah bahwa organisasi harus merancang, menerapkan dan memelihara seperangkat kebijakan, proses dan sistem untuk mengelola risiko aset informasi mereka, sehingga memastikan tingkat risiko keamanan informasi yang dapat diterima. Dari perencanaan dan implementasi sistem manajemen keamanan informasi ini, dihasilkan daftar nilai risiko akhir aset- aset kritikal dan dokumen-dokumen tata kelola penunjang ISMS. Metode penelitian yang digunakan adalah studi kasus yang didalam hal ini, merupakan penelitian kualitatif. Adapun proses yang digunakan untuk mengukur tingkat kematangan dari tata kelola keamanan sistem informasi ini berdasarkan kerangka kerja ISO/IEC 27001. Dari kerangka tersebut kemudian dilakukan evaluasi terhadap objek kontrol yang dimiliki ISO/IEC 27001. Hasil yang didapat adalah peningkatan terhadap tata kelola keamanan sistem informasi. Kesimpulan dari penelitian ini adalah dibutuhkannya tata kelola keamanan sistem informasi agar IT dapat diandalkan untuk mencapai tujuan bisnis.

Comparative study on implementation of management requires from ABNT NBR ISO/IEC 17025

International Nuclear Information System (INIS)

Suplino Filho, Carlos Alberto Lucas; Souza, Luciane de Rezende; Oliveira, Estela Maria de

2014-01-01

This work was developed in order to emphasize the importance of laboratory management system in the direction and control of the company or institute with regard to the quality of delivery of ionizing radiation service to society. It was developed a comparative study of managerial points of Deming with the managerial requirements of ISO / IEC 17025, which found that the difficulties of the laboratories indicated by nonconformities tracked during audits, are related to specific points cited by Deming. (author)

A fully automated system for ultrasonic power measurement and simulation accordingly to IEC 61161:2006

International Nuclear Information System (INIS)

Costa-Felix, Rodrigo P B; Alvarenga, Andre V; Hekkenberg, Rob

2011-01-01

The ultrasonic power measurement, worldwide accepted, standard is the IEC 61161, presently in its 2nd edition (2006), but under review. To fulfil its requirements, considering that a radiation force balance is to be used as ultrasonic power detector, a large amount of raw data (mass measurement) shall be collected as function of time to perform all necessary calculations and corrections. Uncertainty determination demands calculation effort of raw and processed data. Although it is possible to be undertaken in an old-fashion way, using spread sheets and manual data collection, automation software are often used in metrology to provide a virtually error free environment concerning data acquisition and repetitive calculations and corrections. Considering that, a fully automate ultrasonic power measurement system was developed and comprehensively tested. A 0,1 mg of precision balance model CP224S (Sartorius, Germany) was used as measuring device and a calibrated continuous wave ultrasound check source (Precision Acoustics, UK) was the device under test. A 150 ml container filled with degassed water and containing an absorbing target at the bottom was placed on the balance pan. Besides the feature of automation software, a routine of power measurement simulation was implemented. It was idealized as a teaching tool of how ultrasonic power emission behaviour is with a radiation force balance equipped with an absorbing target. Automation software was considered as an effective tool for speeding up ultrasonic power measurement, while allowing accurate calculation and attractive graphical partial and final results.

Certification of boiler safety equipment with ALSPA P320 system, to IEC 61508 standard; Certification des equipements de securite chaudiere avec le systeme ALSPA P320 selon la norme IEC 61508

Energy Technology Data Exchange (ETDEWEB)

Dalzon, J.P. [Alstom Power (France)

2002-02-01

Safety and environmental protection are major priorities governing Alstom work on control systems (Alspa P320) for power plant applications, especially when potentially dangerous processes like high-power flame boilers (typically rated at 100 to 600 MW) are involved. Here, automatic protection chains are implemented to guard against the risk of serious incident such as explosion and equipment destruction. In this kind of situation, the IEC 61508 standard provides baseline specifications for certification of safety systems. (authors)

Pembuatan Tata Kelola Keamanan Informasi Kontrol Akses Berbasis ISO/IEC 27001:2005 Pada Kantor Pelayanan Perbendaharaan Surabaya I

Directory of Open Access Journals (Sweden)

Margo Utomo

2012-09-01

Full Text Available Perkembangan teknologi informasi yang pesat saat ini turut berimbas kepada penggunaan teknologi informasi di lingkungan pemerintahan. KPPN Surabaya I sebagai instansi vertikal dari Direktorat Jenderal Perbendaharaan juga menerapkan teknologi informasi dalam untuk mendukung kegiatan pelayanan terhadap satuan kerja yang berada di lingkup bayarnya. Sayangnya masalah keamanan informasi yang merupakan bagian penting dari teknologi informasi sering kali kurang mendapatkan perhatian. Tidak dapat dipungkiri bahwa munculnya ancaman ataupun kelemahan dalam teknologi informasi dapat menggangu jalannya kegiatan pelayanan yang menggunakan teknologi informasi. Oleh karena itu diperlukan pengelolaan teknologi informasi berbasis risiko yang dituangkan dalam tata kelola untuk mengelola ancaman ataupun kelemahan yang muncul. ISO/IEC 27001:2005 merupakan framework sistem manajemen keamanan informasi yang dapat dijadikan dasar dalam pengelolaan keamanan informasi. Tata kelola keamanan informasi yang dibuat ini menitikberatkan pada kontrol akses yang merupakan salah satu kotrol keamanan dari ISO/IEC 27001:2005

CyclinD1, CDK4, and P21 expression by IEC-6 cells in response to NiTi alloy and polymeric biomaterials

International Nuclear Information System (INIS)

Wang, Zhanhui; Yan, Jun; Zheng, Qi; Wang, Zhigang

2012-01-01

In order to investigate how cells recognize biomaterials, mRNA that was expressed in attached Intestinal epithelial cells (IEC-6) on various suture substrates was evaluated. The expressed cell cycle regulators (cyclin D1, CDK4 and p21) mRNA were then isolated and detected using the real time- polymerase chain reaction (PCR) method. As a result, cyclin D1 gene expression was affected by cell-polymer adhesion and was associated with cell proliferation. In addition, CDK4 gene expression was affected by cell proliferation rather than by cell-biomaterial interaction. The p21 mRNA gene expression was higher in cells on more hydrophilic surfaces than on hydrophobic surfaces. Further, the cyclin D1, CDK4 and p21 gene expression were also influenced by the surface chemistry of suture materials. We concluded that the expression of cyclin D1, CDK4 and p21 mRNA was a powerful method for studying cell-biomaterial interactions or the evaluation of the carcinogenic activity of biomaterials. - Highlights: ►We evaluated the effects of biomaterials on the cyclin D1, CDK4 and p21 expression. ►Cell-polymer adhesion and cell proliferation affected cyclin D1 and CDK4 expression. ►The p21 expression was higher on more hydrophilic surfaces than on hydrophobic. ►They were also influenced by surface chemistry of biomaterials.

The EGG 57-CO B-12 absorption test, in the evaluation of patients with low serum B-12

International Nuclear Information System (INIS)

Sinow, R.M.; Carmel, R.; Siegel, M.E.

1985-01-01

The Schilling Test (ST) is the standard test for diagnosing vitamin B-12 malabsorption (MA). However, patients with subtle gastric dysfunction may have normal ST, but impaired absorption of B-12 given with food. The authors have adapted an Egg B-12 Absorption Test (EBAT) in which 57-Co cyanocobalamin (57-Co B-12) is mixed with scrambled egg to evaluate this phenomenon in patients with low serum B-12, normal ST and possible subtle MA. Lyophilized egg yolk is reconstituted and mixed with 57-Co- B-12 of equal dose to that of ST. The authors studied 46 individuals: 13 controls, 5 patients with known pernicious anemia (PA), in addition to 28 patients with low serum B-12 levels and normal ST. ST/EBAT ratios were calculated. Twenty-eight test patients excreted 13.3% on ST and 3.5% on EBAT. Mean ST/EBAT ratio was 8.2 (1.4-35.9). Five had EBAT results in the PA range (<1%) and ST/EBAT ratios (14.4-35.9) that were significantly elevated. This group is also evaluated with pepsinogen I/II ratios, gastric analysis, deoxyuridine suppression tests, anti intrinsic factor, and antiparietal cell antibodies. The authors' results indicate that the EBAT can differentiate between PA and non PA patients, and that some patients with low serum B-12 levels and normal ST may, in fact, have subtle MA. The EBAT, combined with ST/EBAT ratio, may provide a means for identifying this group of patients

Intelligent control on wind farm

DEFF Research Database (Denmark)

Wei, Mu; Chen, Zhe

2010-01-01

with the wind farm makes the grid more vulnerable. The communication technologies have been considered as a solution to solve the problems according to the IEC 61400-25 series protocols. This paper presents the significance of communication technologies in wind farm system by the simulations on some practical......Since the renewable energy is popularly applied in power industry, especially the smart grid is fast developing all over the world during these years, the reliable connection between a wind farm and the main grid has been focused on. Due to the difficult control on the wind energy, the connection...... scenarios. By delivering the signals among WTs (wind turbines) and control centers, they both are able to recognize another side’s operation situation and to adjust its own state to realize the optimization. A scenario is designed in this paper, in which a fault occurs in wind farm; then the protection...

Assessing Fatigue and Ultimate Load Uncertainty in Floating Offshore Wind Turbines Due to Varying Simulation Length

Energy Technology Data Exchange (ETDEWEB)

Stewart, G.; Lackner, M.; Haid, L.; Matha, D.; Jonkman, J.; Robertson, A.

2013-07-01

With the push towards siting wind turbines farther offshore due to higher wind quality and less visibility, floating offshore wind turbines, which can be located in deep water, are becoming an economically attractive option. The International Electrotechnical Commission's (IEC) 61400-3 design standard covers fixed-bottom offshore wind turbines, but there are a number of new research questions that need to be answered to modify these standards so that they are applicable to floating wind turbines. One issue is the appropriate simulation length needed for floating turbines. This paper will discuss the results from a study assessing the impact of simulation length on the ultimate and fatigue loads of the structure, and will address uncertainties associated with changing the simulation length for the analyzed floating platform. Recommendations of required simulation length based on load uncertainty will be made and compared to current simulation length requirements.

Proficiency Testing in Nondestructive Testing (NDT)

International Nuclear Information System (INIS)

Amry Amin Abbas; Suhairy Sani; Mohamad Pauzi Ismail; Abd Nassir Ibrahim

2014-01-01

Department of Standard Malaysia (DSM) launched myPTP programme on 31 December 2013 in accordance to ISO/IC 17043. The standard states the requirements for Proficiency Testing. The provider of these services is called Proficiency Testing Provider (PTP). The role of PTP is to compare the proficiency level between inspection bodies or laboratories. With the assistance of expert panel, the PTP will determine the assigned value as reference to be compared to the values obtained from the inspection bodies or laboratories. Quality wise, this services is important as participation will improve wuality of the inspection quality continuously and increase confidence level of client and improve safety level. Requirement of PT in NDT is mentioned in SC1.5- Specific Criteria for Accreditation of Mechanical Testing and Non-Destructive Testing (NDT) for MS ISO/IEC17025 and MTR2- MIBAS Technical Requirements for Accreditation of NDT. This paper explains and discusses the result of this proficiency test done on a number of NDT companies that participated. (author)

Sprouty regulates cell migration by inhibiting the activation of Rac1 GTPase

International Nuclear Information System (INIS)

Poppleton, Helen M.; Edwin, Francis; Jaggar, Laura; Ray, Ramesh; Johnson, Leonard R.; Patel, Tarun B.

2004-01-01

Sprouty (SPRY) protein negatively modulates fibroblast growth factor and epidermal growth factor actions. We showed that human SPRY2 inhibits cell growth and migration in response to serum and several growth factors. Using rat intestinal epithelial (IEC-6) cells, we investigated the involvement of the Rho family of GTPases, RhoA, Rac1, and cdc42 in SPRY2-mediated inhibition of cell migration and proliferation. The ability of TAT-tagged SPRY2 to inhibit proliferation and migration of IEC-6 cells transfected with constitutively active mutants of RhoA(G14V), Rac1(G12V), and cdc42 (F28L) was determined. Constitutively active RhoA(G14V), Rac1(G12V), or cdc42(F28L) did not protect cells from the anti-proliferative actions of TAT-SPRY2. The ability of TAT-hSPRY2 to inhibit migration was not altered by of RhoA(G14V) and cdc42(F28L). However, Rac1(G12V) obliterated the ability of SPRY2 to inhibit cell autonomous or serum-induced migration. Also, the activation of endogenous Rac1 was attenuated by TAT-SPRY2. Thus, SPRY2 mediates its anti-migratory actions by inhibiting Rac1 activation

NC ISO/IEC1725:00 Accreditation process of CPHR main laboratories

International Nuclear Information System (INIS)

Marrero Garcia, Mariela; Molina perez, Daniel; Fernandez Gomez, Maria; Walwyn Salas, Gonzalo

2003-01-01

With the objective of offering technically qualified and competitive services one works in our laboratories under the requirements of a System of the Quality from 1993. In 1999 that was already with a draft of the new model ISO/IEC 17025:00 the steps they were given for the change of the Guide 25. At the moment with 3 laboratories accredited by the Cuban organ (ONARC), we are pioneer in these changes because alone a very reduced group of laboratories in the country has achieved it. The present work enunciates the antecedents of the change, the main non conformities during the evaluations for the accreditation and the obtained results

COMBINING ITIL, COBIT AND ISO/IEC 27002 FOR STRUCTURING COMPREHENSIVE INFORMATION TECHNOLOGY FOR MANAGEMENT IN ORGANIZATIONS

Directory of Open Access Journals (Sweden)

Maico Gehrmann

2012-09-01

Full Text Available Several methodologies, tools and standards have been designed to help IT management within organizations. Companies seek, with the use of these mechanisms, the placement of IT management and organizational strategies, mainly to ensure that IT helps with the objectives of the business and the results of the organization. Despite the vast amount of options for tools, methodologies and standards available, when they are used independently, these are not sufficiently wide-ranging to meet all the needs of IT management. This document analyzes ITIL, COBIT and ISO/IEC 27002 methodologies through literature review, highlighting their similarities and differences through the comparison between them. From this analysis, an overall structure is proposed which uses a combination of ITIL, COBIT and ISO/IEC 27002 that can be used by any organization as a more comprehensive solution for the handling and servicing of IT management. As any process, there are positive and negative points. Some negative points of a methodology may be strengthened by the positive ones of other methodologies. This creates more efficient processes.

Combining ITIL, COBIT and ISO/IEC 27002 for structuring comprehensive information technology for management in organizations

Directory of Open Access Journals (Sweden)

Maico Gehrmann

2012-09-01

Full Text Available Several methodologies, tools and standards have been designed to help IT management within organizations. Companies seek, with the use of these mechanisms, the placement of IT management and organizational strategies, mainly to ensure that IT helps with the objectives of the business and the results of the organization. Despite the vast amount of options for tools, methodologies and standards available, when they are used independently, these are not sufficiently wide-ranging to meet all the needs of IT management. This document analyzes ITIL, COBIT and ISO/IEC 27002 methodologies through literature review, highlighting their similarities and differences through the comparison between them. From this analysis, an overall structure is proposed which uses a combination of ITIL, COBIT and ISO/IEC 27002 that can be used by any organization as a more comprehensive solution for the handling and servicing of IT management. As any process, there are positive and negative points. Some negative points of a methodology may be strengthened by the positive ones of other methodologies. This creates more efficient processes.

Characterization of an active dosemeter according to IEC 61526:2010

International Nuclear Information System (INIS)

Cardoso, J.; Santos, L.; Santos, J.A.M.; Alves, J.G.; Oliveira, C.

2016-01-01

The active personal dosemeter, RaySafe i2, allows the measurement and record of Hp(10) in real time, every second, via wireless technology for real-time display on a portable computer and/or a local network. The system seems particularly attractive for individual monitoring at clinical facilities where high intensity and varying radiation fields may occur, as it enables the user to acknowledge and optimize the dose and dose rate values in real time for each procedure. Prior to its use, the system was characterized at the Metrology Laboratory of Ionizing Radiation of IST-LPSR aiming at the metrological characterization of the system in accordance with IEC 61526:2010 for metrological control purposes and to verify the technical specifications stated by the manufacturer. (authors)

EXPERIMENTAL RESEARCHES OF ELECTRO-THERMAL RESISTIBILITY OF SEND-OFFS AND CABLES TO ACTION RATIONED ON THE INTERNATIONAL STANDARD OF IEC 62305-1-2010 OF APERIODIC IMPULSE OF CURRENT OF ARTIFICIAL LIGHTNING

Directory of Open Access Journals (Sweden)

M.I. Baranov

2016-03-01

Full Text Available Purpose. Experimental researches of electro-thermal resistibility of cable-explorer products, applied in the power electric circuits of objects of electric-power industry, to action on its copper and aluminum parts bearings a current rationed on the International Standard of IEC 62305-1-2010 aperiodic impulse 10/350 μs of current of artificial lightning. Methodology. Electrophysics bases of technique of high tensions and high pulsed currents (HPC, and also scientific and technical bases of planning of devices of high-voltage impulsive technique and measuring HPC in them. Results. Experimental a way the quantitative levels of maximal values maximum of possible and critical closenesses of aperiodic impulse 10/350 μs of current of artificial lightning with rationed on the international standard of IEC 62305-1-2010 peak-temporal parameters and admittances on them in copper (aluminum parts bearings a current of send-offs and cables with a polyethylene (PET and polyvinylchloride (PVCH isolation. Originality. First in world practice on the unique powerful high-voltage generator of HPC of artificial lightning experimental researches of resistibility to lightning of pre-production models of send-offs (cables are conducted with copper (aluminum tendons, PET and PVCH by an isolation, in-use in power electric circuits of electric-power industry objects. Practical value. The use in practice of protecting from lightning of the got results will allow substantially to promote functional and fire-prevention safety of engineering communications of objects of industrial electroenergy in the conditions of action on them of short shots of linear lightning.

Software validation applied to spreadsheets used in laboratories working under ISO/IEC 17025

Science.gov (United States)

Banegas, J. M.; Orué, M. W.

2016-07-01

Several documents deal with software validation. Nevertheless, more are too complex to be applied to validate spreadsheets - surely the most used software in laboratories working under ISO/IEC 17025. The method proposed in this work is intended to be directly applied to validate spreadsheets. It includes a systematic way to document requirements, operational aspects regarding to validation, and a simple method to keep records of validation results and modifications history. This method is actually being used in an accredited calibration laboratory, showing to be practical and efficient.

ISO/IEC 17025: custos de acreditação em uma universidade pública brasileira

Directory of Open Access Journals (Sweden)

Rodrigo S. Bender

2017-01-01

Full Text Available ISO/IEC 17025 is an international standard that specifies the general requirements for evaluating the competence of laboratories involved in testing and calibration. This standard brings several benefits to university laboratories, which, thus, seek to obtain the accreditation. However, although cost is one of the main obstacles in this process; this topic has not been sufficiently studied. Since the Universidade Federal de Santa Maria (UFSM supports its laboratories for the implementation of this standard, it was chosen for this article to identify and quantify the accreditation costs of its laboratories that have obtained it or are working toward the goal. An exploratory literature review was carried out, and the data gathered were analyzed qualitatively and quantitatively. This study observed that the costs related to hours worked are linked to staff qualification and that high expenses in equipment and infrastructure occur in laboratories that receive financial resources from external providers.

1/12-Scale mixing interface visualization and buoyant particle release tests in support of Tank 241-SY-101 hydrogen mitigation

Energy Technology Data Exchange (ETDEWEB)

Eschbach, E.J.; Enderlin, C.W.

1993-10-01

In support of tank waste safety programs, visualization tests were performed in the 1/12-scale tank facility, using a low-viscosity simulant. The primary objective of the tests was to obtain video records of the transient jet-sludge interaction. The intent is that these videos will provide useful qualitative data for comparison with model predictions. Two tests were initially planned: mixing interface visualization (MIV) and buoyant particle release (BPR). Completion of the buoyant particle release test was set aside in order to complete additional MIV tests. Rheological measurements were made on simulant samples before testing, and the simulant was found to exhibit thixotropic behavior. Shear vane measurements were also made on an in-situ analog of the 1/12-scale tank simulant. Simulant shear strength has been observed to be time dependent. The primary objective of obtaining video records of jet-sludge interaction was satisfied, and the records yielded jet location information which may be of use in completing model comparisons. The modeling effort is not part of this task, but this report also discusses test specific instrumentation, visualization techniques, and shear vane instrumentation which would enable improved characterization of jet-sludge interaction and simulant characteristics.

1/12-Scale mixing interface visualization and buoyant particle release tests in support of Tank 241-SY-101 hydrogen mitigation

International Nuclear Information System (INIS)

Eschbach, E.J.; Enderlin, C.W.

1993-10-01

In support of tank waste safety programs, visualization tests were performed in the 1/12-scale tank facility, using a low-viscosity simulant. The primary objective of the tests was to obtain video records of the transient jet-sludge interaction. The intent is that these videos will provide useful qualitative data for comparison with model predictions. Two tests were initially planned: mixing interface visualization (MIV) and buoyant particle release (BPR). Completion of the buoyant particle release test was set aside in order to complete additional MIV tests. Rheological measurements were made on simulant samples before testing, and the simulant was found to exhibit thixotropic behavior. Shear vane measurements were also made on an in-situ analog of the 1/12-scale tank simulant. Simulant shear strength has been observed to be time dependent. The primary objective of obtaining video records of jet-sludge interaction was satisfied, and the records yielded jet location information which may be of use in completing model comparisons. The modeling effort is not part of this task, but this report also discusses test specific instrumentation, visualization techniques, and shear vane instrumentation which would enable improved characterization of jet-sludge interaction and simulant characteristics

Data on the effects of imidazo[1,2-a]benzimidazole and pyrimido[1,2-a]benzimidazole compounds on intraocular pressure of ocular normotensive rats

Directory of Open Access Journals (Sweden)

Adrian Julian Marcus

2018-06-01

Full Text Available This data is to document the intraocular pressure (IOP lowering activity of imidazo[1,2-a]benzimidazole and pyrimido[1,2-a]benzimidazole compounds in ocular normotensive rats. Effects of single drop application of imidazo[1,2-a]benzimidazole and pyrimido[1,2-a]benzimidazole compounds on IOP in ocular normotensive rats are presented at 3 different concentrations (0.1%, 0.2% and 0.4%. Time course of changes in IOP is presented over 6 h period post-instillation. The IOP lowering activities of test compounds were determined by assessing maximum decrease in IOP from baseline and corresponding control, duration of IOP lowering and area under curve (AUC of time versus response curve. Data shown here may serve as benchmarks for other researchers studying IOP-lowering effect of imidazo[1,2-a]benzimidazole and pyrimido[1,2-a]benzimidazole compounds and would be useful in determining therapeutic potential of these test compounds as IOP lowering agents. Keywords: Drug screening, Intraocular pressure, Intraocular pressure lowering activity, Imidazo[1,2-a]benzimidazoles, Pyrimido[1,2-a]benzimidazoles, Ocular normotensive rats, Rebound tonometry

A methodology for distinguishing divergent cell fates within a common progenitor population: adenoma- and neuroendocrine-like cells are confounders of rat ileal epithelial cell (IEC-18 culture

Directory of Open Access Journals (Sweden)

Paxton Jessica B

2005-01-01

Full Text Available Abstract Background IEC-18 cells are a non-transformed, immortal cell line derived from juvenile rat ileal crypt cells. They may have experimental advantages over tumor-derived gastrointestinal lineages, including preservation of phenotype, normal endocrine responses and retention of differentiation potential. However, their proclivity for spontaneous differentiation / transformation may be stereotypical and could represent a more profound experimental confounder than previously realized. We hypothesized that IEC-18 cells spontaneously diverge towards a uniform mixture of epigenetic fates, with corresponding phenotypes, rather than persist as a single progenitor lineage. Results IEC-18 cells were cultured for 72 hours in serum free media (SFM, with and without various insulin-like growth factor agonists to differentially boost the basal rate of proliferation. A strategy was employed to identify constitutive genes as markers of divergent fates through gene array analysis by cross-referencing fold-change trends for individual genes against crypt cell abundance in each treatment. We then confirmed the cell-specific phenotype by immunolocalization of proteins corresponding to those genes. The majority of IEC-18 cells in SFM alone had a loss in expression of the adenomatous polyposis coli (APC gene at the mRNA and protein levels, consistent with adenoma-like transformation. In addition, a small subset of cells expressed the serotonin receptor 2A gene and had neuroendocrine-like morphology. Conclusions IEC-18 cells commonly undergo a change in cell fate prior to reaching confluence. The most common fate switch that we were able to detect correlates with a down regulation of the APC gene and transformation into an adenoma-like phenotype.

Proficiency test for heavy metals in compound feed

NARCIS (Netherlands)

Pereboom, D.P.K.H.; Elbers, I.J.W.; Jong, de J.; Lee, van der M.K.; Nijs, de W.C.M.

2016-01-01

The here described proficiency test for heavy metals in compound feed was organised by RIKILT, Wageningen UR in accordance with ISO 17043. RIKILT Wageningen UR has an ISO/IEC 17043 accreditation for proficiency tests of residues in products of animal origin. However, this specific test is not part

TGF-beta1 modulates focal adhesion kinase expression in rat intestinal epithelial IEC-6 cells via stimulatory and inhibitory Smad binding elements.

Science.gov (United States)

Walsh, Mary F; Ampasala, Dinakar R; Rishi, Arun K; Basson, Marc D

2009-02-01

TGF-beta and FAK modulate cell migration, differentiation, proliferation and apoptosis, and TGF-beta promotes FAK transcription in intestinal epithelial cells via Smad-dependent and independent pathways. We utilized a 1320 bp FAK promoter-luciferase construct to characterize basal and TGF-beta-mediated FAK gene transcription in IEC-6 cells. Inhibiting JNK or Akt negated TGF-beta-stimulated promoter activity; ERK inhibition did not block the TGF-beta effect but increased basal activity. Co-transfection with Co-Smad4 enhanced the TGF-beta response while the inhibitory Smad7 abolished it. Serial deletions sequentially removing the four Smad binding elements (SBE) in the 5' untranslated region of the promoter revealed that the two most distal SBE's are positive regulators while SBE3 exerts a negative influence. Mutational deletion of two upstream p53 sites enhanced basal but did not affect TGF-beta-stimulated increases in promoter activity. TGF-beta increased DNA binding of Smad4, phospho-Smad2/3 and Runx1/AML1a to the most distal 435 bp containing 3 SBE and 2 AML1a sites by ChIP assay. However, although point mutation of SBE1 ablated the TGF-beta-mediated rise in SV40-promoter activity, mutation of AML1a sites did not. TGF-beta regulation of FAK transcription reflects a complex interplay between positive and negative non-Smad signals and SBE's, the last independent of p53 or AML1a.

Characterization of radiation qualities used for the determination of characteristic in CT application according to IEC 61267:2005

International Nuclear Information System (INIS)

Dias, Daniel M.; Silva Junior, Iremar A. da; Potiens, Maria da Penha A.

2009-01-01

The purpose of this study was to establish the standard RQT radiation qualities which represent simulations of the unattenuated beam used in Computed Tomography (CT). Thus, to avoiding excessive efforts for establishing a radiation quality by means of the spectral distribution of the photon fluence, the characterization of these standard radiation qualities was expressed in terms of the X-ray tube voltage, first and second half-value layer (HVL). To establishing the standard radiation beam, according to the IEC 61267 and the TRS 457 was measured first of all the correct values of the X ray tube voltages in terms of Practical Peak Voltage. The standard radiation qualities RQT were produced using the same set up mounted for the RQR qualities which had been early established, and for simulating the patient in order to achieve the standard RQT series, suitable thicknesses of layers of copper were used to obtain the values of the first HVL according to IEC 61267. (author)

Valid methods: the quality assurance of test method development, validation, approval, and transfer for veterinary testing laboratories.

Science.gov (United States)

Wiegers, Ann L

2003-07-01

Third-party accreditation is a valuable tool to demonstrate a laboratory's competence to conduct testing. Accreditation, internationally and in the United States, has been discussed previously. However, accreditation is only I part of establishing data credibility. A validated test method is the first component of a valid measurement system. Validation is defined as confirmation by examination and the provision of objective evidence that the particular requirements for a specific intended use are fulfilled. The international and national standard ISO/IEC 17025 recognizes the importance of validated methods and requires that laboratory-developed methods or methods adopted by the laboratory be appropriate for the intended use. Validated methods are therefore required and their use agreed to by the client (i.e., end users of the test results such as veterinarians, animal health programs, and owners). ISO/IEC 17025 also requires that the introduction of methods developed by the laboratory for its own use be a planned activity conducted by qualified personnel with adequate resources. This article discusses considerations and recommendations for the conduct of veterinary diagnostic test method development, validation, evaluation, approval, and transfer to the user laboratory in the ISO/IEC 17025 environment. These recommendations are based on those of nationally and internationally accepted standards and guidelines, as well as those of reputable and experienced technical bodies. They are also based on the author's experience in the evaluation of method development and transfer projects, validation data, and the implementation of quality management systems in the area of method development.

Analysis of Power Transfer Efficiency of Standard Integrated Circuit Immunity Test Methods

Directory of Open Access Journals (Sweden)

Hai Au Huynh

2015-01-01

Full Text Available Direct power injection (DPI and bulk current injection (BCI methods are defined in IEC 62132-3 and IEC 62132-4 as the electromagnetic immunity test method of integrated circuits (IC. The forward power measured at the RF noise generator when the IC malfunctions is used as the measure of immunity level of the IC. However, the actual power that causes failure in ICs is different from forward power measured at the noise source. Power transfer efficiency is used as a measure of power loss of the noise injection path. In this paper, the power transfer efficiencies of DPI and BCI methods are derived and validated experimentally with immunity test setup of a clock divider IC. Power transfer efficiency varies significantly over the frequency range as a function of the test method used and the IC input impedance. For the frequency range of 15 kHz to 1 GHz, power transfer efficiency of the BCI test was constantly higher than that of the DPI test. In the DPI test, power transfer efficiency is particularly low in the lower test frequency range up to 10 MHz. When performing the IC immunity tests following the standards, these characteristics of the test methods need to be considered.

Functional Suitability Measurement using Goal-Oriented Approach based on ISO/IEC 25010 for Academics Information System

Directory of Open Access Journals (Sweden)

Ajeng Savitri Puspaningrum

2017-10-01

Full Text Available Rapid of information technology development grow a new competitive environment. Including higher education, they need to improve their service quality in order to provide education service in more competitive. One of the ways of using information technology in higher education is the used of Academic Information System (AIS. AIS was developed to achieve the goals of the learning process which is one of vision and mission organization success factor. The measurement is needed to evaluate the quality of AIS. Functionality is one of the quality factors which is measured by observing the correlation between function and functional suitability. In this study, the quality of AIS functional suitability is measured using goal-oriented approach base on ISO/IEC 25010 in the perspective of a lecturer. The strategic plan of an institution is used as a reference to measure if the system used to have meet institution goals when using this approach. The result shows that the measurement using goal-oriented approach become more objective and suitable to the need of used AIS quality improvement for the institution than the measurement with ISO/IEC 25010 only.

Evaluation of 12-Lipoxygenase (12-LOX and Plasminogen Activator Inhibitor 1 (PAI-1 as Prognostic Markers in Prostate Cancer

Directory of Open Access Journals (Sweden)

Tomasz Gondek

2014-01-01

Full Text Available In carcinoma of prostate, a causative role of platelet 12-lipoxygenase (12-LOX and plasminogen activator inhibitor 1 (PAI-1 for tumor progression has been firmly established in tumor and/or adjacent tissue. Our goal was to investigate if 12-LOX and/or PAI-1 in patient’s plasma could be used to predict outcome of the disease. The study comprised 149 patients (age 70±9 divided into two groups: a study group with carcinoma confirmed by positive biopsy of prostate (n=116 and a reference group (n=33 with benign prostatic hyperplasia (BPH. The following parameters were determined by the laboratory test in plasma or platelet-rich plasma: protein level of 12-LOX, PAI-1, thromboglobulin (TGB, prostate specific antigen (PSA, C-reactive protein (CRP, hemoglobin (HGB, and hematocrit (HCT, as well as red (RBC and white blood cells (WBC, number of platelets (PLT, international normalized ratio of blood clotting (INR, and activated partial thromboplastin time (APTT. The only difference of significance was noticed in the concentration of 12-LOX in platelet rich plasma, which was lower in cancer than in BPH group. Standardization to TGB and platelet count increases the sensitivity of the test that might be used as a biomarker to assess risk for prostate cancer in periodically monitored patients.

Safety standards for wind turbines; Sicherheitsnormen fuer Windenergieanlagen

Energy Technology Data Exchange (ETDEWEB)

Boyce, K. [Underwriters Laboratories Inc., Northbrook, IL (United States)

2012-08-15

As the global wind infrastructure sustains rapid growth, compliance with relevant standards provide validation of design principles and establish due diligence in addressing critical attributes such as safety. The IEC 61400 series of standards provides important information for addressing safety and performance of wind turbine systems. Efforts to address unique issues within the United States market has led to development of two safety standards, UL 6141 for large wind turbines and UL 6142 for small wind turbines. These standards, which are being published as American National Standards, contain key safety requirements for the electrical system, electrical safety and controls system, grid connection, and related safety issues. In the future, collaborative efforts will lead to continued exchange of best practices and opportunities for broader harmonization. Development of these standards, and their use by the manufacturing community in design and development of wind turbine products, supports maximal safety and performance of the burgeoning wind infrastructure. (orig.)

Model Development and Loads Analysis of an Offshore Wind Turbine on a Tension Leg Platform with a Comparison to Other Floating Turbine Concepts: April 2009

Energy Technology Data Exchange (ETDEWEB)

Matha, D.

2010-02-01

This report presents results of the analysis of a 5-MW wind turbine located on a floating offshore tension leg platform (TLP) that was conducted using the fully coupled time-domain aero-hydro-servo-elastic design code FAST with AeroDyn and HydroDyn. The report also provides a description of the development process of the TLP model. The model has been verified via comparisons to frequency-domain calculations. Important differences have been identified between the frequency-domain and time-domain simulations, and have generated implications for the conceptual design process. An extensive loads and stability analysis for ultimate and fatigue loads according to the procedure of the IEC 61400-3 offshore wind turbine design standard was performed with the verified TLP model. This report compares the loads for the wind turbine on the TLP to those of an equivalent land-based turbine. Major instabilities for the TLP are identified and described.

An HIV1/2 point of care test on sputum for screening TB/HIV co-infection in central India - Will it work?

Institute of Scientific and Technical Information of China (English)

Prabha Desikan; Sajal De; Nitika Pant Pai; Pradyumna K Mishra; Kaushal Kumar; Nikita Panwalkar; Mayanka Verma; Zia Ul Hasan; Kewal K Maudar

2013-01-01

Objective:To determine whether theOraQuick®HIV-1/2Assay(OraSureTechnologies, Inc.,Bethlehem,PA,USA) in sputum is a valid tool forHIV surveillance amongTB patients. Methods:A cross sectional study was carried out on sputa of patients diagnosed with tuberculosis.Sputa were tested for antibodies toHIV usingOraQuick®HIV-1/2Assay(OraSure Technologies,Inc.,Bethlehem,PA,USA).The results were compared with results of serum ELISA.Results:Compared to serumELISA, theOraQuick®HIV-1/2Assay in sputum specimens reported90% sensitivity(9/10) and100% specificity(307/307), with a positive predictive value of 100%(95%CI:66.37%-100.00%) and a negative predictive value of99.68%(95%CI:98.20%-99.99%). Conclusions:This testing method may provide a useful strategy for conductingHIV surveillance in possible co-infectedTB patients at peripheral centres.Since there is no investment on infrastructure, it may be possible for paramedical health professionals to carry out the test, particularly in areas with lowHIV endemicity.

Cost-effectiveness analysis of malaria rapid diagnostic test incentive schemes for informal private healthcare providers in Myanmar.

Science.gov (United States)

Chen, Ingrid T; Aung, Tin; Thant, Hnin Nwe Nwe; Sudhinaraset, May; Kahn, James G

2015-02-05

The emergence of artemisinin-resistant Plasmodium falciparum parasites in Southeast Asia threatens global malaria control efforts. One strategy to counter this problem is a subsidy of malaria rapid diagnostic tests (RDTs) and artemisinin-based combination therapy (ACT) within the informal private sector, where the majority of malaria care in Myanmar is provided. A study in Myanmar evaluated the effectiveness of financial incentives vs information, education and counselling (IEC) in driving the proper use of subsidized malaria RDTs among informal private providers. This cost-effectiveness analysis compares intervention options. A decision tree was constructed in a spreadsheet to estimate the incremental cost-effectiveness ratios (ICERs) among four strategies: no intervention, simple subsidy, subsidy with financial incentives, and subsidy with IEC. Model inputs included programmatic costs (in dollars), malaria epidemiology and observed study outcomes. Data sources included expenditure records, study data and scientific literature. Model outcomes included the proportion of properly and improperly treated individuals with and without P. falciparum malaria, and associated disability-adjusted life years (DALYs). Results are reported as ICERs in US dollars per DALY averted. One-way sensitivity analysis assessed how outcomes depend on uncertainty in inputs. ICERs from the least to most expensive intervention are: $1,169/DALY averted for simple subsidy vs no intervention, $185/DALY averted for subsidy with financial incentives vs simple subsidy, and $200/DALY averted for a subsidy with IEC vs subsidy with financial incentives. Due to decreasing ICERs, each strategy was also compared to no intervention. The subsidy with IEC was the most favourable, costing $639/DALY averted compared with no intervention. One-way sensitivity analysis shows that ICERs are most affected by programme costs, RDT uptake, treatment-seeking behaviour, and the prevalence and virulence of non

Advancements in Wind Energy Metrology – UPWIND 1A2.3

DEFF Research Database (Denmark)

Angelou, Nikolas; Bingöl, Ferhat; Courtney, Michael

of wind turbines. These measurements document the meandering wake pattern. The second part of the overview considers power performance measurements. A new investigation on the influence of wind shear points to a revision of the definition of a power curve. A new measurement method has been developed which...... has a good chance of being implemented in the present revision of the IEC performance standard. Also, a turbulence normalization method has been tested but not found efficient enough for inclusion in the IEC standard. In relation to the coming IEC standard on performance verification with the use...

12 CFR 228.23 - Investment test.

Science.gov (United States)

2010-01-01

... 12 Banks and Banking 3 2010-01-01 2010-01-01 false Investment test. 228.23 Section 228.23 Banks... COMMUNITY REINVESTMENT (REGULATION BB) Standards for Assessing Performance § 228.23 Investment test. (a) Scope of test. The investment test evaluates a bank's record of helping to meet the credit needs of its...

Test Protocols for Advanced Inverter Interoperability Functions - Appendices

Energy Technology Data Exchange (ETDEWEB)

Johnson, Jay Dean [Sandia National Lab. (SNL-NM), Albuquerque, NM (United States); Gonzalez, Sigifredo [Sandia National Lab. (SNL-NM), Albuquerque, NM (United States); Ralph, Mark E. [Sandia National Lab. (SNL-NM), Albuquerque, NM (United States); Ellis, Abraham [Sandia National Lab. (SNL-NM), Albuquerque, NM (United States); Broderick, Robert Joseph [Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)

2013-11-01

Distributed energy resources (DER) such as photovoltaic (PV) systems, when deployed in a large scale, are capable of influencing significantly the operation of power systems. Looking to the future, stakeholders are working on standards to make it possible to manage the potentially complex interactions between DER and the power system. In 2009, the Electric Power Research Institute (EPRI), Sandia National Laboratories (SNL) with the U.S. Department of Energy (DOE), and the Solar Electric Power Association (SEPA) initiated a large industry collaborative to identify and standardize definitions for a set of DER grid support functions. While the initial effort concentrated on grid-tied PV inverters and energy storage systems, the concepts have applicability to all DER. A partial product of this on-going effort is a reference definitions document (IEC TR 61850-90-7, Object models for power converters in distributed energy resources (DER) systems) that has become a basis for expansion of related International Electrotechnical Commission (IEC) standards, and is supported by US National Institute of Standards and Technology (NIST) Smart Grid Interoperability Panel (SGIP). Some industry-led organizations advancing communications protocols have also embraced this work. As standards continue to evolve, it is necessary to develop test protocols to independently verify that the inverters are properly executing the advanced functions. Interoperability is assured by establishing common definitions for the functions and a method to test compliance with operational requirements. This document describes test protocols developed by SNL to evaluate the electrical performance and operational capabilities of PV inverters and energy storage, as described in IEC TR 61850-90-7. While many of these functions are not now required by existing grid codes or may not be widely available commercially, the industry is rapidly moving in that direction. Interoperability issues are already apparent as

Integrating RAMS engineering and management with the safety life cycle of IEC 61508

International Nuclear Information System (INIS)

Lundteigen, Mary Ann; Rausand, Marvin; Utne, Ingrid Bouwer

2009-01-01

This article outlines a new approach to reliability, availability, maintainability, and safety (RAMS) engineering and management. The new approach covers all phases of the new product development process and is aimed at producers of complex products like safety instrumented systems (SIS). The article discusses main RAMS requirements to a SIS and presents these requirements in a holistic perspective. The approach is based on a new life cycle model for product development and integrates this model into the safety life cycle of IEC 61508. A high integrity pressure protection system (HIPPS) for an offshore oil and gas application is used to illustrate the approach.

Convergence Analysis of ISO/IEC 12207 and CMMI-DEV: Complementary Result from Systematic Literature Review

OpenAIRE

Javier Crisóstomo; Karin Melendez; Luis Flores; Abraham Dávila

2017-01-01

The organizations and people are demanding more and better software products and services, which implies adequate processes for its development. In the context of the software industry, there are two models, the CMMI-DEV and ISO/IEC 12207 that are influencing it. Though, they are evolving separately, recurrently they have been compared to determine its coverage (in both directions). In this study is analyzed the results of those comparisons (partials and completed) to determine if the models ...

Human anti-HIV IgM detection by the OraQuick ADVANCE® Rapid HIV 1/2 Antibody Test.

Science.gov (United States)

Guillon, Geraldine; Yearwood, Graham; Snipes, Casey; Boschi, Daniel; Reed, Michael R

2018-01-01

The Centers for Disease Control and Prevention (CDC) and many public health jurisdictions continue to advocate for the most sensitive rapid HIV test that is available. Currently, the recommendation is to utilize tests that can detect HIV infection biomarkers within 30 days of infection, when initial immune responses are mounted. The infected patient's IgM response is often used to detect acute infection within a 20-25 days window after infection. This requirement applies to lab-based testing with automated analyzers and rapid, point of care (POC) testing used for screening in a non-clinical setting. A recent study has demonstrated that POC tests using a Protein A-based detection system can detect samples with predominantly HIV-1 IgM reactivity (Moshgabadi et al., 2015). The OraQuick ADVANCE ® Rapid HIV-1/2 Antibody Test (OraQuick ADVANCE ®) also uses Protein A as the detection protein in the antibody-binding colloidal gold conjugate, so it is expected that the OraQuick ADVANCE ® Test will also detect samples with predominantly IgM reactivity. This report definitively demonstrates that the OraQuick ADVANCE ® Test can detect IgM antibodies during an acute infection window period of approximately 20-25 days after infection, and is therefore suitable for use in testing environments requiring adherence to current CDC recommendations.

Corrective Action Decision Document/Closure Report for Corrective Action Unit 551: Area 12 Muckpiles, Nevada Test Site, Nevada, Rev. No.: 1

Energy Technology Data Exchange (ETDEWEB)

Wickline, Alfred

2006-11-01

This Corrective Action Decision Document (CADD)/Closure Report (CR) presents information supporting closure of Corrective Action Unit (CAU) 551, Area 12 Muckpiles, Nevada Test Site (NTS), Nevada. The corrective actions proposed in this document are in accordance with the Federal Facility Agreement and Consent Order (FFACO) that was agreed to by the State of Nevada, U.S. Department of Energy (DOE), and the U.S. Department of Defense (FFACO, 1996). The NTS is approximately 65 miles (mi) northwest of Las Vegas, Nevada (Figure 1-1). Corrective Action Unit 551 is comprised of the four Corrective Action Sites (CASs) that are shown on Figure 1-2 and listed below: CAS 12-01-09, Aboveground Storage Tank and Stain; CAS 12-06-05, U-12b Muckpile; CAS 12-06-07, Muckpile; and CAS 12-06-08, Muckpile. A detailed discussion of the history of this CAU is presented in the ''Corrective Action Investigation Plan (CAIP) for Corrective Action Unit 551: Area 12 Muckpiles'' (NNSA/NSO, 2004). This CADD/CR provides justification for the closure of CAU 551 in place with administrative controls. This justification is based upon process knowledge and the results of the investigative activities conducted in accordance with the CAIP (NNSA/NSO, 2004). The CAIP provides information relating to the history, planning, and scope of the investigation; therefore, this information will not be repeated in the CADD/CR. Corrective Action Unit 551, Area 12 Muckpiles, consists of four inactive sites located in the southwestern portion of Area 12. The four CAU 551 sites consist of three muckpiles, and an aboveground storage tank (AST) and stain. The CAU 551 sites were all used during underground nuclear testing at the B-, C-, D- and F-Tunnels in the late 1950s and early 1960s and have mostly remained inactive since that period.

Corrective Action Decision Document/Closure Report for Corrective Action Unit 551: Area 12 Muckpiles, Nevada Test Site, Nevada, Rev. No.: 1

International Nuclear Information System (INIS)

Wickline, Alfred

2006-01-01

This Corrective Action Decision Document (CADD)/Closure Report (CR) presents information supporting closure of Corrective Action Unit (CAU) 551, Area 12 Muckpiles, Nevada Test Site (NTS), Nevada. The corrective actions proposed in this document are in accordance with the Federal Facility Agreement and Consent Order (FFACO) that was agreed to by the State of Nevada, U.S. Department of Energy (DOE), and the U.S. Department of Defense (FFACO, 1996). The NTS is approximately 65 miles (mi) northwest of Las Vegas, Nevada (Figure 1-1). Corrective Action Unit 551 is comprised of the four Corrective Action Sites (CASs) that are shown on Figure 1-2 and listed below: CAS 12-01-09, Aboveground Storage Tank and Stain; CAS 12-06-05, U-12b Muckpile; CAS 12-06-07, Muckpile; and CAS 12-06-08, Muckpile. A detailed discussion of the history of this CAU is presented in the ''Corrective Action Investigation Plan (CAIP) for Corrective Action Unit 551: Area 12 Muckpiles'' (NNSA/NSO, 2004). This CADD/CR provides justification for the closure of CAU 551 in place with administrative controls. This justification is based upon process knowledge and the results of the investigative activities conducted in accordance with the CAIP (NNSA/NSO, 2004). The CAIP provides information relating to the history, planning, and scope of the investigation; therefore, this information will not be repeated in the CADD/CR. Corrective Action Unit 551, Area 12 Muckpiles, consists of four inactive sites located in the southwestern portion of Area 12. The four CAU 551 sites consist of three muckpiles, and an aboveground storage tank (AST) and stain. The CAU 551 sites were all used during underground nuclear testing at the B-, C-, D- and F-Tunnels in the late 1950s and early 1960s and have mostly remained inactive since that period

Voltage conditions in the grid in modern wind turbine farms. Final report; Spaendingsforhold i mellemspaendingsnettet i moderne vindmoelleparker. Slutrapport

Energy Technology Data Exchange (ETDEWEB)

Svinth Christensen, L. (DELTA Dansk Elektronik, Lys og Akustik, Hoersholm (Denmark)); Soerensen, Troels (Dong Energy A/S, Copenhagen (Denmark)); Soerensen, Poul, Risoe DTU, Vindenergi div., Roskilde (Denmark)); Olsen, Torben; Nielsen, Henny K. (Vattenfall A/S, Copenhagen (Denmark))

2008-11-15

The voltage conditions in modern wind farms have been documented by measurements in three of the worlds largest offshore wind farms. In the project there are developed and built three measuring systems, which are synchronized by GPS with accuracy within a sample at a samplings frequency of 2.5 MHz. Emission of voltage transients caused by switching was measured. Power quality both on a single windturbine and for the entire park has been documented by measurements. To use the measured data for the verification of the simulation models of the parks has appeared to be very difficult because of difficulties to get all parameters for the components (cables, transformers and switch-gears) in the parks correctly. The normal simulations are only valid for 50 Hz and so are the models. Details and parameters are missing, in order to be able to simulate the measured transients correctly. There can be doubt about how the program handles the transients, and how the geometrical models are used. A significant conclusion is isolation that coordination study can not be based on simulations with standard models only. The summarisation rules for power quality parameters pointed out in IEC 61400-2, are tested and compared with the measurements. (author)

A new approach for power quality improvement of DFIG based wind farms connected to weak utility grid

Directory of Open Access Journals (Sweden)

Hossein Mahvash

2017-09-01

Full Text Available Most of power quality problems for grid connected doubly fed induction generators (DFIGs with wind turbine include flicker, variations of voltage RMS profile, and injected harmonics due to switching in DFIG converters. Flicker phenomenon is the most important problem in wind power systems. This paper described an effective method for mitigating flicker emission and power quality improvement for a fairly weak grid connected to a wind farm with DFIGs. The method was applied in the rotor side converter (RSC of the DFIG to control the output reactive power. q axis reference current was directly derived according to the mathematical relation between rotor q axis current and DFIG output reactive power without using PI controller. To extract the reference reactive power, the stator voltage control loop with the droop coefficient was proposed to regulate the grid voltage level in each operational condition. The DFIG output active power was separately controlled in d axis considering the stator voltage orientation control (SVOC. Different simulations were carried out on the test system and the flicker short term severity index (Pst was calculated for each case study using the discrete flickermeter model according to IEC 61400 standard. The obtained results validated flicker mitigation and power quality enhancement for the grid.

12 CFR 228.24 - Service test.

Science.gov (United States)

2010-01-01

... 12 Banks and Banking 3 2010-01-01 2010-01-01 false Service test. 228.24 Section 228.24 Banks and... REINVESTMENT (REGULATION BB) Standards for Assessing Performance § 228.24 Service test. (a) Scope of test. The service test evaluates a bank's record of helping to meet the credit needs of its assessment area(s) by...

21 CFR 862.1810 - Vitamin B12 test system.

Science.gov (United States)

2010-04-01

... 21 Food and Drugs 8 2010-04-01 2010-04-01 false Vitamin B12 test system. 862.1810 Section 862.1810....1810 Vitamin B12 test system. (a) Identification. A vitamin B12 test system is a device intended to measure vitamin B12 in serum, plasma, and urine. Measurements obtained by this device are used in the...

The study of human bodies' impedance networks in testing leakage currents of electrical equipments

Science.gov (United States)

Zhang, Zhaohui; Wang, Xiaofei

2006-11-01

In the testing of electrical equipments' leakage currents, impedance networks of human bodies are used to simulate the current's effect on human bodies, and they are key to the preciseness of the testing result. This paper analyses and calculates three human bodies' impedance networks of measuring electric burn current, perception or reaction current, let-go current in IEC60990, by using Matlab, compares the research result of current effect thresholds' change with sine wave's frequency published in IEC479-2, and amends parameters of measuring networks. It also analyses the change of perception or reaction current with waveform by Multisim.

Quality control methodology and implementation of X-radiation standards beams, mammography level, following the standard IEC 61267

International Nuclear Information System (INIS)

Correa, Eduardo de Lima

2010-01-01

In this work it was developed and applied a quality control program of the X radiation system (160 kV, constant potential, target of tungsten) of the Calibration Laboratory of IPEN(LCI) in the energy range relative to mammography beams (from 25 kV to 35 kV). The X radiation standards beams, level mammography, using molybdenum and aluminum as additional filtration, were established after the application of this quality control program following national and international recommendations. The reference ionization chamber has traceability to PTB and was regularly submitted to quality control tests for evaluation and analysis of its performance. The radiation qualities emerging from the X-radiation assembly (RQR-M), based on a phantom made up of an aluminum added filter (RQA-M), narrow beam condition (RQN-M) and broad beam condition (RQB-M), following the recommendations of the international standard IEC 61267 (2005) and the IAEA code of practice, TRS 457 (2007) were established. For the implantation of RQN-M and RQB-M radiation qualities, two mammography phantoms were developed. The half-value layers found are those presented by the German primary laboratory PTB, and varied from 0.35 to 1.21 mm Al. The air kerma rates were obtained for all the 15 implanted qualities. (author)

RELIABILITY BASED DESIGN OF FIXED FOUNDATION WIND TURBINES

Energy Technology Data Exchange (ETDEWEB)

Nichols, R.

2013-10-14

Recent analysis of offshore wind turbine foundations using both applicable API and IEC standards show that the total load demand from wind and waves is greatest in wave driven storms. Further, analysis of overturning moment loads (OTM) reveal that impact forces exerted by breaking waves are the largest contributor to OTM in big storms at wind speeds above the operating range of 25 m/s. Currently, no codes or standards for offshore wind power generators have been adopted by the Bureau of Ocean Energy Management Regulation and Enforcement (BOEMRE) for use on the Outer Continental Shelf (OCS). Current design methods based on allowable stress design (ASD) incorporate the uncertainty in the variation of loads transferred to the foundation and geotechnical capacity of the soil and rock to support the loads is incorporated into a factor of safety. Sources of uncertainty include spatial and temporal variation of engineering properties, reliability of property measurements applicability and sufficiency of sampling and testing methods, modeling errors, and variability of estimated load predictions. In ASD these sources of variability are generally given qualitative rather than quantitative consideration. The IEC 61400‐3 design standard for offshore wind turbines is based on ASD methods. Load and resistance factor design (LRFD) methods are being increasingly used in the design of structures. Uncertainties such as those listed above can be included quantitatively into the LRFD process. In LRFD load factors and resistance factors are statistically based. This type of analysis recognizes that there is always some probability of failure and enables the probability of failure to be quantified. This paper presents an integrated approach consisting of field observations and numerical simulation to establish the distribution of loads from breaking waves to support the LRFD of fixed offshore foundations.

Quality control of achieved results of testings in interlaboratory reference measurements

International Nuclear Information System (INIS)

Rosskopfova, O.; Matel, L.; Rajec, P.

2009-01-01

The laboratory accredited according to the ISO/IEC 17025:2005 must ensure the quality of reported results including corresponding uncertainty. The important point of view of correct evaluation of results is precision and uncertainty. The validation of a method is an experimental verification and an objective proof that the method is suitable for planned application. The most frequent way of validation is a participation in an intercomparison test. LARCHA laboratory regularly participates in the proficiency tests on the determination of gamma, beta and alpha emitting radionuclides in various matrices. It is also a proof for the laboratory and client that the methods for radionuclides determination are validated according to the rules of ISO/IEC 17025:2005. (authors)

Vitamin B12 and Folate Test

Science.gov (United States)

... offer the folate test. Can taking too many vitamin B12 and folic acid supplements hurt me? Not usually. Since B12 and folic acid are water-soluble, the body will rid itself of any excess by excreting it in the urine. However, taking ...

Evaluation of the central libraries information security management at governmental universities located in Tehran, according to the international standard ISO/IEC 27002

Directory of Open Access Journals (Sweden)

Milad Malekolkalami

2014-02-01

Full Text Available This study assessed the evaluation of information security management status in central Libraries of governmental universities located in Tehran, according to ISO / I.E.C. 27002. Research method applied for the study is descriptive Survey and a questionnaire was used for collecting information. The questionnaire was distributed between the 74 central library managers of governmental universities in Tehran according to the recent list on the website of Ministry of Science, Research and Technology, that includes 39 components based on 11 indicators of the standard ISO/ I.E.C. 27002. Analysis of data has been done by using both descriptive and inferential statistics by Microsoft Excel 2007and SPSS statistical softwares. The results of research showed that the mean for libraries in 11 indexes are as follows: The mean for the first index, Security policy, is 3.91 , in the second index, organization of information security, is 4.23, in the third index, asset security management, is 4.38, in the fourth index, Human Resources Security management, is 4, in the fifth index, physical and environment Security management, is 4.07, in the sixth index, operations management and communications, is 4.15, in the Seventh index, access controls management, is 4.38, in the eighth index, information system acquisition, development and maintenance, is 3.92, in the ninth index, information security incident management, is 3.84, in the tenth index, business continuity management, is 3.46, in the eleventh index, compliance, is 3.69 that match with the standard ISO / IEC. 27002. The results of Research shown that totally mean for standard ISO/I.E.C. 27002 in the field of information security management in the central libraries, is 4 being in a good condition and there is no significant differences between the performance of the Central libraries of the governmental Universities in Tehran, since It is not observed significant difference between them in the field of

16 CFR 1203.12 - Test requirements.

Science.gov (United States)

2010-01-01

... 16 Commercial Practices 2 2010-01-01 2010-01-01 false Test requirements. 1203.12 Section 1203.12 Commercial Practices CONSUMER PRODUCT SAFETY COMMISSION CONSUMER PRODUCT SAFETY ACT REGULATIONS SAFETY... midsagittal plane when measured in accordance with § 1203.14 of this standard. (b) Positional stability. No...

12 CFR 345.23 - Investment test.

Science.gov (United States)

2010-01-01

... 12 Banks and Banking 4 2010-01-01 2010-01-01 false Investment test. 345.23 Section 345.23 Banks and Banking FEDERAL DEPOSIT INSURANCE CORPORATION REGULATIONS AND STATEMENTS OF GENERAL POLICY... minority depository institution or women's depository institution (as these terms are defined in 12 U.S.C...

Study on Public Flood Risk Cognition and Behavioral Response Based on IEC Strategy

Science.gov (United States)

Shen, Xin; Xu, Xiaofeng; Zhou, Guilin; Pan, Shaolin; Mi, Tengfei

2017-11-01

In order to disseminate knowledge and information on flood risks in flood-prone areas, raise public awareness of flood risks and reduce possible damage to the public, a questionnaire survey was coducted among 260 residents of nine selected communities in Jiaozhou City to learn the public awareness and behavioral response to flood risks at different early warning levels. IEC key information of flood risk awareness was modified and formulated through group discussions, in-depth individual interviews and on-site observation. The awareness of residents in the project area was enhanced through the public participation, environmental management and flood management training, which plays a very important role in reducing flood losses.

A new proton conducting membrane based on copolymer of methyl methacrylate and 2-acrylamido-2-methyl-1-propanesulfonic acid for direct methanol fuel cells

International Nuclear Information System (INIS)

Shen, Yi; Xi, Jingyu; Qiu, Xinping; Zhu, Wentao

2007-01-01

In this paper, a new kind of copolymer methyl methacrylate and 2-acrylamido-2-methyl-1-propanesulfonic acid (PAMPS-co-MMA) was synthesized by free radical polymerization. IR-spectrum and 1 H NMR were used to confirm the structure of the copolymers, and the thermal character of the copolymers was investigated with TGA and DSC. Flexible and transparent membranes based on this kind of copolymer were prepared by solution casting method. The physical properties including ionic exchange capability (IEC), water uptake, proton conductivity, methanol permeability and morphology of the membranes were investigated. These membranes showed higher water uptake though they had lower IEC compared with Nafion-117. The proton conductivity of the membrane with IEC of 0.9 mmol/g was 1.14 x 10 -2 S/cm and its methanol permeability coefficient was 5.46 x 10 -7 cm 2 /s, much lower than that of Nafion-117. Tests on cells were also carried out to measure the performance of the membrane

Security Process Capability Model Based on ISO/IEC 15504 Conformant Enterprise SPICE

Directory of Open Access Journals (Sweden)

Mitasiunas Antanas

2014-07-01

Full Text Available In the context of modern information systems, security has become one of the most critical quality attributes. The purpose of this paper is to address the problem of quality of information security. An approach to solve this problem is based on the main assumption that security is a process oriented activity. According to this approach, product quality can be achieved by means of process quality - process capability. Introduced in the paper, SPICE conformant information security process capability model is based on process capability modeling elaborated by world-wide software engineering community during the last 25 years, namely ISO/IEC 15504 that defines the capability dimension and the requirements for process definition and domain independent integrated model for enterprise-wide assessment and Enterprise SPICE improvement

Test Protocols for Advanced Inverter Interoperability Functions – Main Document

Energy Technology Data Exchange (ETDEWEB)

Johnson, Jay Dean [Sandia National Lab. (SNL-NM), Albuquerque, NM (United States); Gonzalez, Sigifredo [Sandia National Lab. (SNL-NM), Albuquerque, NM (United States); Ralph, Mark E. [Sandia National Lab. (SNL-NM), Albuquerque, NM (United States); Ellis, Abraham [Sandia National Lab. (SNL-NM), Albuquerque, NM (United States); Broderick, Robert Joseph [Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)

2013-11-01

Distributed energy resources (DER) such as photovoltaic (PV) systems, when deployed in a large scale, are capable of influencing significantly the operation of power systems. Looking to the future, stakeholders are working on standards to make it possible to manage the potentially complex interactions between DER and the power system. In 2009, the Electric Power Research Institute (EPRI), Sandia National Laboratories (SNL) with the U.S. Department of Energy (DOE), and the Solar Electric Power Association (SEPA) initiated a large industry collaborative to identify and standardize definitions for a set of DER grid support functions. While the initial effort concentrated on grid-tied PV inverters and energy storage systems, the concepts have applicability to all DER. A partial product of this on-going effort is a reference definitions document (IEC TR 61850-90-7, Object models for power converters in distributed energy resources (DER) systems) that has become a basis for expansion of related International Electrotechnical Commission (IEC) standards, and is supported by US National Institute of Standards and Technology (NIST) Smart Grid Interoperability Panel (SGIP). Some industry-led organizations advancing communications protocols have also embraced this work. As standards continue to evolve, it is necessary to develop test protocols to independently verify that the inverters are properly executing the advanced functions. Interoperability is assured by establishing common definitions for the functions and a method to test compliance with operational requirements. This document describes test protocols developed by SNL to evaluate the electrical performance and operational capabilities of PV inverters and energy storage, as described in IEC TR 61850-90-7. While many of these functions are not currently required by existing grid codes or may not be widely available commercially, the industry is rapidly moving in that direction. Interoperability issues are already

Reduction of Noise from the J-52 and F-404 Jet Engines During Static Testing Using the Noise Attenuation Device (NAD)

Science.gov (United States)

2009-06-01

Filters, Order 3, Type 0-C, Optional Range B.2.2 Sound Level Meter Calibration • ISO / IEC 17025 :2005 General requirements for the competence of...noise levels − NCSL -National Conference of Standards Laboratories − ISO - International Standards Organization − IEC - The International...testing and calibration laboratories • ISO 10012:2003 Measurement management systems -- Requirements for measurement processes and measuring

Proficiency testing criteria for clearance level in solid waste gamma measurement in Taiwan

International Nuclear Information System (INIS)

Chen, Chun-Liang; Wang, Jeng-Jong; Chiu, Huang-Sheng

2013-01-01

To guarantee the measurement quality for clearance level in solid waste material, the Institute of Nuclear Energy Research (INER) established the criteria for proficiency testing of clearance level measurement. INER and the Taiwan Accreditation Foundation (TAF) organized the Technique Committee Meeting twice to discuss these criteria in 2011. The participating laboratories must completely conform to the ISO/IEC 17025, and they also must meet the requirements of the criteria. According to the criteria, the participating laboratories analyzed the minimum detectable amount (MDA) and that should be less than 20% of the clearance level (AMDA) given in the Atomic Energy Council's (AEC) “Regulations on Clearance Level for Radioactive Waste Management”. The testing results should conform to the deviation and traceability requirements. - Highlights: • The participating laboratories must completely conform to the ISO/IEC 17025 • The proficiency testing items were basically in two categories, box and barrel types • Analyzed the MDA and that should be less than 20% of the release level given in the AEC. • The are three limitations: MDA< AMDA, -0.25< Bi<+0.5, and En≤1.0 and uncertainty<20%

A hierarchy of SPI activities for software SMEs: results from ISO/IEC 12207-based SPI assessments

OpenAIRE

Clarke, Paul; O'Connor, Rory; Yilmaz, Murat

2012-01-01

peer-reviewed In an assessment of software process improvement (SPI) in 15 software small- and ???medium-sized enterprises (software SMEs), we applied the broad spectrum of software specific and system context processes in ISO/IEC 12207 to the task of examining SPI in practice. Using the data collected in the study, we developed a four-tiered pyramidal hierarchy of SPI for software SMEs, with processes in the higher tiers undergoing SPI in more companies than processes on lower level tiers...

Arquitectura flexible basada en ISA 88 para el diseño del diagrama de control de ejecución en aplicaciones distribuidas usando IEC 61499

Directory of Open Access Journals (Sweden)

Fabricio Chicaiza

2018-03-01

Full Text Available En la actualidad los sistemas de automatización industrial deben optimizar las técnicas de control y comunicación de sus procesos, para introducir conceptos dados por la Industria 4.0. Para lograr esto se necesita de la introducción de nuevas normas de automatización para obtener sistemas de fabricación ágiles e inteligentes, es por esto que la norma IEC 61499 es considerada como la opción principal. Industria 4.0 en unión con IEC 61499 permitirá la integración de sistemas de adquisición de datos tradicionales y novedosos sistemas de procesamiento inteligente de datos, con el objetivo de extraer información y mejorar el rendimiento general del sistema productivo. El presente trabajo establece un enfoque de arquitectura flexible para el diseño de los Diagramas de Control de Ejecución de los Bloques de Función basado en la norma ISA 88 aplicado a un proceso industrial, lo que permitirá implementar el control industrial bajo IEC 61499 de manera eficiente y rápida permitiendo un diseño se software basado en componentes con independencia de la plataforma hardware usada.

Electrical and magnetic properties of 0-3 Ba(Fe1/2Nb1/2)O3/PVDF composites

Science.gov (United States)

Ranjan, Hars; Mahto, Uttam K.; Chandra, K. P.; Kulkarni, A. R.; Prasad, A.; Prasad, K.

Lead-free Ba(Fe1/2Nb1/2)O3/PVDF 0-3 composites were fabricated using melt-mixing technique. X-ray diffraction, scanning electron microscopy, dielectric, impedance, ac conductivity, magnetic force microscopy (MFM) and vibrating sample magnetometer studies were undertaken to characterize the samples. Average crystallite size of the Ba(Fe1/2Nb1/2)O3 powder, estimated using Williamson-Hall approach, was found to be ˜42nm. The filler particles of ˜0.5-1μm were found to disperse in the polymer matrix of all the composites. Filler concentration-dependent values of real and imaginary parts of complex permittivity showed increasing trend and were seen to follow Bruggeman and Furukawa equations. The data for ac conductivity exhibited negative temperature coefficient of resistance character of the test materials and were found to obey Jonscher’s power law. The correlated barrier hopping model was found to explain satisfactorily the mechanism of charge transport occurring in the system. MFM confirmed the presence of magnetic phases in the composites. Typical magnetization versus applied field curves indicated the possibility of magnetoelectric coupling in the system. Hence, the present composites have shown themselves as potential multi-functional candidate materials for use in high density data storage applications.

33 CFR 157.12f - Workshop functional test requirements.

Science.gov (United States)

2010-07-01

... CARRYING OIL IN BULK Design, Equipment, and Installation § 157.12f Workshop functional test requirements... 33 Navigation and Navigable Waters 2 2010-07-01 2010-07-01 false Workshop functional test requirements. 157.12f Section 157.12f Navigation and Navigable Waters COAST GUARD, DEPARTMENT OF HOMELAND...

Specification and tests of three prototypes from tissue-equivalent ionization chamber

International Nuclear Information System (INIS)

Teixeira, D.L.; Cardoso, D.O.; Pereira, O.S.; Nobre Filho, L.S.; Cabral, T.S.

1992-01-01

Three prototypes of tissue-equivalent ionization chamber are specified and tested. The results obtained by these prototypes are presented, aiming the determination of operation parameters, defined by IEC 395 standard. (C.G.C.)

Facility Closure Report for T-Tunnel (U12T), Area 12, Nevada Test Site, Nevada

International Nuclear Information System (INIS)

2008-01-01

This Facility Closure Report (FCR) has been prepared to document the actions taken to permanently close the remaining accessible areas of U12t-Tunnel (T-Tunnel) in Area 12 of the Nevada Test Site (NTS). The closure of T-Tunnel was a prerequisite to transfer facility ownership from the Defense Threat Reduction Agency (DTRA) to the U.S. Department of Energy, National Nuclear Security Administration Nevada Site Office (NNSA/NSO). Closure of the facility was accomplished with the cooperation and concurrence of both NNSA/NSO and the Nevada Division of Environmental Protection (NDEP). The purpose of this FCR is to document that the closure of T-Tunnel complied with the closure requirements specified in the Facility Closure Plan for N- and T-Tunnels Area 12, Nevada Test Site (Appendix D) and that the facility is ready for transfer to NNSA/NSO. The Facility Closure Plan (FCP) is provided in Appendix D. T-Tunnel is located approximately 42 miles north of Mercury in Area 12 of the NTS (Figure 1). Between 1970 and 1987, T-Tunnel was used for six Nuclear Weapons Effects Tests (NWETs). The tunnel was excavated horizontally into the volcanic tuffs of Rainier Mesa. The T-Tunnel complex consists of a main access drift with two NWET containment structures, a Gas Seal Plug (GSP), and a Gas Seal Door (GSD) (Figure 2). The T-Tunnel complex was mothballed in 1993 to preserve the tunnel for resumption of testing, should it happen in the future, to stop the discharge of tunnel effluent, and to prevent unauthorized access. This was accomplished by sealing the main drift GSD

Substrate interactions in dehalogenation of 1,2-dichloroethane, 1,2-dichloropropane, and 1,1,2-trichloroethane mixtures by Dehalogenimonas spp.

Science.gov (United States)

Dillehay, Jacob L; Bowman, Kimberly S; Yan, Jun; Rainey, Fred A; Moe, William M

2014-04-01

When chlorinated alkanes are present as soil or groundwater pollutants, they often occur in mixtures. This study evaluated substrate interactions during the anaerobic reductive dehalogenation of chlorinated alkanes by the type strains of two Dehalogenimonas species, D. lykanthroporepellens and D. alkenigignens. Four contaminant mixtures comprised of combinations of the chlorinated solvents 1,2-dichloroethane (1,2-DCA), 1,2-dichloropropane (1,2-DCP), and 1,1,2-trichloroethane (1,1,2-TCA) were assessed for each species. Chlorinated solvent depletion and daughter product formation determined as a function of time following inoculation into anaerobic media revealed preferential dechlorination of 1,1,2-TCA over both 1,2-DCA and 1,2-DCP for both species. 1,2-DCA in particular was not dechlorinated until 1,1,2-TCA reached low concentrations. In contrast, both species concurrently dechlorinated 1,2-DCA and 1,2-DCP over a comparably large concentration range. This is the first report of substrate interactions during chlorinated alkane dehalogenation by pure cultures, and the results provide insights into the chlorinated alkane transformation processes that may be expected for contaminant mixtures in environments where Dehalogenimonas spp. are present.

Methodology to establish the profile that defines a meta-specification that applies to distribution substations - Mexico case based on norm IEC-61850; Metodologia para establecer el perfil que define una meta-especificacion que aplica a subestaciones de distribucion -caso Mexico- basada en la norma IEC-61850

Energy Technology Data Exchange (ETDEWEB)

Picazo Blanquel, Cuitlahuac; Chairez Campos Carlos; Garcia Hernandez, Joaquin; Godinez Enriquez, Hebert; Poujol Galvan, Francisco C.; Suarez Cerda, Dionisio A. [Instituto de Investigaciones Electricas, Cuernavaca, Morelos (Mexico); Villalobos Ramos, Andres; LLamas Gonzalez, Rosa E. [Comision Federal de Electricidad (Mexico); Samitier Otero, Carlos [Global Networking Engineering (Spain)

2010-07-01

In this article is presented a case of study of automation of electrical substations of Comision Federal de Electricidad (CFE) of Mexico, in which the Norm IEC-61850 has been taken as reference. The case of study consists of defining a metaspecification for the protection, control, measurement and communication systems required by the substations of electrical distribution. For the development the obtained previous experience in the development of a bequeathed system SA, norm IEC61850 has been taken as reference, as well as the experiences documented in the Instituto de Investigaciones Electricas (IIE), the Comision Federal de Electricidad (CFE) and Global Networking Engineering (GNE), Spain. This way, the obtained result is the metaspecification, which establishes the application of the control, protective equipment and measurement under the interoperability concepts, as well as the automation functions of substations applied in the intelligent networks (REI's). The methodology put into practice includes the design of the system architecture (SAS), the operation philosophy, the topology of the communications network, the data modeling one with logical nodes that include data types and classes of common data (CDC), transference of information, and administration of the archives ICD, SSD, SCD, and CID. [Spanish] En este articulo se presenta un caso de estudio de automatizacion de subestaciones electricas de la Comision Federal de Electricidad (CFE) de Mexico, en el cual se ha tomado como referencia la norma IEC-61850. El caso de estudio consiste en definir una metaespecificacion para los sistemas proteccion, control, medicion y comunicaciones requeridos por las subestaciones de distribucion electrica. Para el desarrollo se ha tomado como referencia la experiencia previa obtenida en el desarrollo de un sistema SA legado, la norma IEC61850, asi como las experiencias documentadas en el Instituto de Investigaciones Electricas (IIE), la Comision Federal de

12 CFR 563e.24 - Service test.

Science.gov (United States)

2010-01-01

... 12 Banks and Banking 5 2010-01-01 2010-01-01 false Service test. 563e.24 Section 563e.24 Banks and... Assessing Performance § 563e.24 Service test. (a) Scope of test. The service test evaluates a savings... performance, a community development service provided by an affiliate of the savings association, if the...

Interlaboratory comparison and accreditation in quality control testing of diagnostic X-ray equipment

International Nuclear Information System (INIS)

Kepler, K.; Vladimirov, A.; Servomaa, A.

2005-01-01

The Univ. of Tartu provides a quality control service to the majority of diagnostic X-ray departments in Estonia. Its methodology has been adopted from the IEC and other relevant standards. Recently the Testing Centre of the Univ. of Tartu was accredited on this methodology by ISO/IEC 17025. Besides the implementation of the quality management system, participation in interlaboratory comparison (ILC) was one of the prerequisites for the accreditation. Tests for estimating reproducibility of tube voltage and dose rate, accuracy of the voltage and accuracy of exposure time were carried out on a diagnostic X-ray unit in the Radiation and Nuclear Safety Authority in Helsinki. The measurement performance was judged by calculating deviation En normalised with respect to the stated uncertainties. En values for all tests were less than unity and by the common ILC criteria the testing performance could be considered as acceptable. (authors)

EVALUASI KEAMANAN INFORMASI PADA PTI PDAM TIRTA MOEDAL KOTA SEMARANG BERDASARKAN INDEKS KEAMANAN INFORMASI SNI ISO/IEC 27001:2009

Directory of Open Access Journals (Sweden)

Diah Restu Wardani

2015-10-01

Full Text Available Adanya rencana untuk meningkatkan keamanan informasi sesuai dengan Standar Nasional Indonesia (SNI. Selain rencana tersebut, ditemukan kurangnya kesadaran dari masing-masing staff PTI PDAM Tirta Moedal Kota Semarang terkait dengan keamanan informasi menyebabkan terjadinya berbagai masalah salah satunya penyalahgunaan wewenang yang dilakukan oleh staff PTI yaitu dengan mengubah sistem operasi yang telah ditetapkan oleh PTI PDAM dan kejadian tersebut berdampak pada proses bisnis. Ditemukan pula bahwa kurangnya pengamanan pada ruang server yang ada di divisi PTI. Tujuan dari penelitian ini adalah untuk mengevaluasi tingkat kelengkapan dan tingkat kematangan keamanan informasi pada divisi PTI serta memberikan rekomendasi perbaikan untuk meningkatkan tingkat kelengkapan dan tingkat kematangan keamanan informasi. Dari hasil studi dokumen, wawancara, dan kuesioner berdasarkan Indeks Keamanan Informasi SNI ISO/IEC 27001:2009 dihasilkan tingkat kelengkapan keamanan informasi sebesar 325 dan tingkat kematangan berada pada tingkat I+ dimana sudah ada pemahaman mengenai perlunya pengelolaan kemanan informasi akan tetapi penerapan langkah pengamanan masih belum teratur. Untuk mencapai tingkat kematangan V dan sesuai dengan Standar Nasional Indonesia (SNI PTI PDAM Tirta Moedal Kota Semarang dapat melakukan strategi perbaikan secara bertahap. Kata Kunci: Indeks Keamanan Informasi, SNI ISO/IEC 27001:2009, Evaluasi Keamanan Informasi, Tingkat Kelengkapan, Tingkat Kematangan

Neutron investigation of Ru-doped Nd1/2Ca1/2MnO3. Comparison with Cr-doped Nd1/2Ca1/2MnO3

International Nuclear Information System (INIS)

Moritomo, Yutaka; Nonobe, Toshihiko; Machida, Akihiko; Ohoyama, Kenji

2002-01-01

Lattice and magnetic properties are investigated for 3% Ru- and Cr-doped Nd 1/2 Ca 1/2 MnO 3 . The parent Nd 1/2 Ca 1/2 MnO 3 is a charge-ordered insulator (T CO =250K). With decreasing temperature below ≅210K, these compounds are separated into two perovskite phases, that is, the long-c and short-c phases. The long-c region shows a ferromagnetic transition at T C ≅210K for the Ru-doped compound and ≅130K for the Cr-doped compound, while the short-c region shows antiferromagnetic transition at T N ≅150K for Ru and ≅110K for Cr. We discuss the origin of the enhanced T C for the Ru-doped compound in terms of the effective one-electron bandwidth W of the e g -band. (author)

IEC 61267: Feasibility of type 1100 aluminium and a copper/aluminium combination for RQA beam qualities.

Science.gov (United States)

Leong, David L; Rainford, Louise; Zhao, Wei; Brennan, Patrick C

2016-01-01

In the course of performance acceptance testing, benchmarking or quality control of X-ray imaging systems, it is sometimes necessary to harden the X-ray beam spectrum. IEC 61267 specifies materials and methods to accomplish beam hardening and, unfortunately, requires the use of 99.9% pure aluminium (Alloy 1190) for the RQA beam quality, which is expensive and difficult to obtain. Less expensive and more readily available filters, such as Alloy 1100 (99.0% pure) aluminium and copper/aluminium combinations, have been used clinically to produce RQA series without rigorous scientific investigation to support their use. In this paper, simulation and experimental methods are developed to determine the differences in beam quality using Alloy 1190 and Alloy 1100. Additional simulation investigated copper/aluminium combinations to produce RQA5 and outputs from this simulation are verified with laboratory tests using different filter samples. The results of the study demonstrate that although Alloy 1100 produces a harder beam spectrum compared to Alloy 1190, it is a reasonable substitute. A combination filter of 0.5 mm copper and 2 mm aluminium produced a spectrum closer to that of Alloy 1190 than Alloy 1100 with the added benefits of lower exposures and lower batch variability. Copyright © 2015 Associazione Italiana di Fisica Medica. Published by Elsevier Ltd. All rights reserved.

ER-12-1 completion report

International Nuclear Information System (INIS)

Russell, C.E.; Gillespie, D.; Cole, J.C.; Drellack, S.L.

1996-12-01

The objective of drillhole ER-12-1 was to determine the hydrogeology of paleozoic carbonate rocks and of the Eleana Formation, a regional aquitard, in an area potentially downgradient from underground nuclear testing conducted in nearby Rainier Mesa. This objective was addressed through the drilling of well ER-12-1 at N886,640.26 E640,538.85 Nevada Central Coordinates. Drilling of the 1094 m (3588 ft) well began on July 19, 1991 and was completed on October 17, 1991. Drilling problems included hole deviation and hole instability that prevented the timely completion of this borehole. Drilling methods used include rotary tri-cone and rotary hammer drilling with conventional and reverse circulation using air/water, air/foam (Davis mix), and bentonite mud. Geologic cuttings and geophysical logs were obtained from the well. The rocks penetrated by the ER-12-1 drillhole are a complex assemblage of Silurian, Devonian, and Mississippian sedimentary rocks that are bounded by numerous faults that show substantial stratigraphic offset. The final 7.3 m (24 ft) of this hole penetrated an unusual intrusive rock of Cretaceous age. The geology of this borehole was substantially different from that expected, with the Tongue Wash Fault encountered at a much shallower depth, paleozoic rocks shuffled out of stratigraphic sequence, and the presence of an altered biotite-rich microporphyritic igneous rock at the bottom of the borehole. Conodont CAI analyses and rock pyrolysis analyses indicate that the carbonate rocks in ER-12-1, as well as the intervening sheets of Eleana siltstone, have been thermally overprinted following movement on the faults that separate them. The probable source of heat for this thermal disturbance is the microporphyritic intrusion encountered at the bottom of the hole, and its age establishes that the major fault activity must have occurred prior to 102.3+0.5 Ma (middle Cretaceous)

Re-testing and misclassification of HIV-2 and HIV-1&2 dually reactive patients among the HIV-2 cohort of The West African Database to evaluate AIDS collaboration

Science.gov (United States)

Tchounga, Boris K; Inwoley, Andre; Coffie, Patrick A; Minta, Daouda; Messou, Eugene; Bado, Guillaume; Minga, Albert; Hawerlander, Denise; Kane, Coumba; Eholie, Serge P; Dabis, François; Ekouevi, Didier K

2014-01-01

Introduction West Africa is characterized by the circulation of HIV-1 and HIV-2. The laboratory diagnosis of these two infections as well as the choice of a first-line antiretroviral therapy (ART) is challenging, considering the limited access to second-line regimens. This study aimed at confirming the classification of HIV-2 and HIV-1&2 dually reactive patients followed up in the HIV-2 cohort of the West African Database to evaluate AIDS collaboration. Method A cross-sectional survey was conducted from March to December 2012 in Burkina Faso, Côte d’Ivoire and Mali among patients classified as HIV-2 or HIV-1&2 dually reactive according to the national HIV testing algorithms. A 5-ml blood sample was collected from each patient and tested in a single reference laboratory in Côte d’Ivoire (CeDReS, Abidjan) with two immuno-enzymatic tests: ImmunoCombII® (HIV-1&2 ImmunoComb BiSpot – Alere) and an in-house ELISA test, approved by the French National AIDS and hepatitis Research Agency (ANRS). Results A total of 547 patients were included; 57% of them were initially classified as HIV-2 and 43% as HIV-1&2 dually reactive. Half of the patients had CD4≥500 cells/mm3 and 68.6% were on ART. Of the 312 patients initially classified as HIV-2, 267 (85.7%) were confirmed as HIV-2 with ImmunoCombII® and in-house ELISA while 16 (5.1%) and 9 (2.9%) were reclassified as HIV-1 and HIV-1&2, respectively (Kappa=0.69; p<0.001). Among the 235 patients initially classified as HIV-1&2 dually reactive, only 54 (23.0%) were confirmed as dually reactive with ImmunoCombII® and in-house ELISA, while 103 (43.8%) and 33 (14.0%) were reclassified as HIV-1 and HIV-2 mono-infected, respectively (kappa= 0.70; p<0.001). Overall, 300 samples (54.8%) were concordantly classified as HIV-2, 63 (11.5%) as HIV-1&2 dually reactive and 119 (21.8%) as HIV-1 (kappa=0.79; p<0.001). The two tests gave discordant results for 65 samples (11.9%). Conclusions Patients with HIV-2 mono-infection are correctly

Opposite effect of oxidative stress on inducible nitric oxide synthase and haem oxygenase-1 expression in intestinal inflammation: anti-inflammatory effect of carbon monoxide

NARCIS (Netherlands)

Dijkstra, Gerard; Blokzijl, Hans; Bok, Lisette; Homan, Manon; van Goor, Harry; Faber, Klaas Nico; Jansen, Peter L. M.; Moshage, Han

2004-01-01

Inducible nitric oxide synthase (iNOS) is expressed in intestinal epithelial cells (IEC) of patients with active inflammatory bowel disease (IBD) and in IEC of endotoxaemic rats. The induction of iNOS in IEC is an element of the NF-kappaB-mediated survival pathway. Haem oxygenase-1 (HO-1) is an

1400 Liter 1.8K Test Facility

International Nuclear Information System (INIS)

Peterson, T.J.; Rabehl, R.J.; Sylvester, C.D.

1997-08-01

A double bath superfluid helium dewar has been constructed and operated at Fermilab's Magnet Test Facility. The 1.8 K portion of the dewar is sized to contain a superconducting magnet up to 0.5 meters in diameter and 4 meters long in a vertical orientation in 0.12 MPa pressurized superfluid. The dewar can also provide a subcooled Helium I environment for tests; the entire temperature range from 4.4 K to 1. 8 K at 0.12 MPa is available. This paper describes the system design, lambda plate, heat exchanger, and performance

IMPLEMENTATION OF SECURITY CONTROLS ACCORDING TO ISO/IEC 27002 IN A SMALL ORGANISATION

Directory of Open Access Journals (Sweden)

MATÚŠ HORVÁTH

2009-12-01

Full Text Available Information security should be today a key issue in any organization. With the implementation of information security management system (ISMS the organization can identify and reduce risks in this area. This the area of information security management covers a numbers of ISO / IEC 27000 standards, which are based on best practice solutions. However, smaller organizations are often discourages with the implementation of these systems, because of fear of high cost and complexity. Especially due to the fact that the standards does not strictly require implementation of all security controls it is possible to implement these systems in small-size organizations. In this article, we want to point on this fact through describing practical experience with ISMS implementation in small-size organization.

Vertical Integration in factories using OPC-UA and IEC-61499

Directory of Open Access Journals (Sweden)

Marcelo V. García

2017-02-01

Full Text Available Nowadays, factory automation systems need to cope with very different challenges, such as big data, IIoT, etc. These challenges lead to a new generation of automation systems based on the so-called Cyber-Physical Production Systems (CPPS globally connected to form a flexible System of Cyber-Physical Production Systems (SoCPPS. CPPSs require acquisition of production system data and smart data processing to extract information to improve the overall system performance. To achieve that it is needed to bridge the gap between the control systems and higher layers. This paper discusses an approach to use the IEC 61499 function block concept to exchange data between plant floor and higher layers using an industrial standard like OPC UA. The OPC UA server offers subscription mechanisms, making possible the integration of several resources residing at plant floor. As it runs on embedded devices, the proposal makes possible to acquire plant information at low cost, enabling at the same time, a component-based design for enterprise plant floor control with independence of the hardware platform used

Proficiency testing schemes as a quality rating in industrial hygiene laboratories

Directory of Open Access Journals (Sweden)

Marek Dobecki

2016-04-01

Full Text Available This publication presents the principles of organization, implementation, assessment and exploitation of proficiency testing results in the work environmental laboratory based on basic requirements included in standard PN-EN ISO/IEC 17043 and ISO 13528. The basis for the proper functioning of the laboratory is to use and observe the basic requirements for the competence to carry out the tests and the guidelines on ensuring reliable and accurate results, specified e.g., according to the guidelines described in the standard PN-EN ISO/IEC 17043. The confirmation of the laboratory competence is the obtained accreditation. To obtain this certificate several conditions, including proficiency testing (PT should be met. The main aspects of this paper is to show the role of proficiency testing in the process of assuring a properly functioning quality system in the laboratory. The accreditation requirements, the types of proficiency testing schemes, methods of statistical analysis and interpretation of results are also discussed by the authors. Med Pr 2016;67(2:267–283

INCITS W1.1 development update: appearance-based image quality standards for printers

Science.gov (United States)

Zeise, Eric K.; Rasmussen, D. René; Ng, Yee S.; Dalal, Edul; McCarthy, Ann; Williams, Don

2008-01-01

In September 2000, INCITS W1 (the U.S. representative of ISO/IEC JTC1/SC28, the standardization committee for office equipment) was chartered to develop an appearance-based image quality standard. (1),(2) The resulting W1.1 project is based on a proposal (3) that perceived image quality can be described by a small set of broad-based attributes. There are currently six ad hoc teams, each working towards the development of standards for evaluation of perceptual image quality of color printers for one or more of these image quality attributes. This paper summarizes the work in progress of the teams addressing the attributes of Macro-Uniformity, Colour Rendition, Gloss & Gloss Uniformity, Text & Line Quality and Effective Resolution.

Internal rotation for predicting conformational population of 1,2-difluorethane and 1,2-dichloroethane

Energy Technology Data Exchange (ETDEWEB)

Venâncio, Mateus F. [Laboratório de Química Computacional e Modelagem Molecular, Departamento de Química, ICEx, Universidade Federal de Minas Gerais, Campus Universitário, 31.270-901 Belo Horizonte, MG (Brazil); Dos Santos, Hélio F. [Núcleo de Estudos em Química Computacional (NEQC), Departamento de Química, ICE, Universidade Federal de Juiz de Fora (UFJF), Campus Universitário, Martelos, Juiz de Fora, MG 36036-330 (Brazil); De Almeida, Wagner B., E-mail: wbdealmeida@gmail.com [Laboratório de Química Computacional (LQC), Departamento de Química Inorgânica, Instituto de Química, Universidade Federal Fluminense, Campus do Valonguinho, Centro, Niterói, RJ CEP: 24020-141 (Brazil)

2016-06-15

Highlights: • Contribution of internal rotation to Gibbs free energy estimated using the quantum pendulum model. • Theoretical prediction of conformational population of 1,2-difluorethane and 1,2-dichloroethane. • The predicted populations are in excellent agreement with experimental gas phase data available. • QPM model account for low vibrational frequency modes effect on thermodynamic calculation. • Caution is needed when the RR–HO approach has to be used in conformational analysis studies. - Abstract: The contribution of internal rotation to the thermal correction of Gibbs free energy (ΔG) is estimated using the quantum pendulum model (QPM) to solve the characteristic Schrödinger equation. The procedure is applied to theoretical prediction of conformational population of 1,2-difluorethane (1,2-DFE) and 1,2-dichloroethane (1,2-DCE) molecules. The predicted population for the anti form was 37% and 75%, for 1,2-DFE and 1,2-DCE respectively, in excellent agreement with experimental gas phase data available, 37 ± 5% and 78 ± 5%. These results provide great support to the use of the QPM model to account for the low vibrational frequency modes effect on the calculation of thermodynamic properties.

Dual isotope Schilling test for measuring absorption of food-bound and free vitamin B12 simultaneously

International Nuclear Information System (INIS)

Doscherholmen, A.; Silvis, S.; McMahon, J.

1983-01-01

A prototype food-bound vitamin B12 (food-B12) absorption test has been developed in which 57 Co-B12 was incorporated in vitro into egg yolk (yolk-B12) and served to volunteers in 50-g cooked portions together with toast and coffee for breakfast. Six hours later, 1 mg nonlabeled B12 was given intramuscularly and 24-hour urine was collected for radioactivity measurement. In separate tests, the absorption of yolk-B12 and crystalline 57 Co-B12 was equally poor in patients with pernicious anemia. However, in patients with simple gastric achlorhydria and those who had undergone gastric surgery, the assimilation of yolk-B12 was impaired greatly, whereas the absorption of crystalline radio-B12 was normal. Egg yolk labeled with 58 Co-B12 was administered together with crystalline 57 Co-B12 in a dual isotope test with results similar to those obtained when the tests were prepared separately. This yolk- 58 Co-B12 test with its ability to detect malabsorption of food-B12 may be considered as an addition to the first part of the Schilling test

Application of stochastic methods for wind speed forecasting and wind turbines design at the area of Thessaly, Greece

Science.gov (United States)

Dimitriadis, Panayiotis; Lazaros, Lappas; Daskalou, Olympia; Filippidou, Ariadni; Giannakou, Marianna; Gkova, Eleni; Ioannidis, Romanos; Polydera, Angeliki; Polymerou, Eleni; Psarrou, Eleftheria; Vyrini, Alexandra; Papalexiou, Simon; Koutsoyiannis, Demetris

2015-04-01

Several methods exist for estimating the statistical properties of wind speed, most of them being deterministic or probabilistic, disregarding though its long-term behaviour. Here, we focus on the stochastic nature of wind. After analyzing several historical timeseries at the area of interest (AoI) in Thessaly (Greece), we show that a Hurst-Kolmogorov (HK) behaviour is apparent. Thus, disregarding the latter could lead to unrealistic predictions and wind load situations, causing some impact on the energy production and management. Moreover, we construct a stochastic model capable of preserving the HK behaviour and we produce synthetic timeseries using a Monte-Carlo approach to estimate the future wind loads in the AoI. Finally, we identify the appropriate types of wind turbines for the AoI (based on the IEC 61400 standards) and propose several industrial solutions. Acknowledgement: This research is conducted within the frame of the undergraduate course "Stochastic Methods in Water Resources" of the National Technical University of Athens (NTUA). The School of Civil Engineering of NTUA provided moral support for the participation of the students in the Assembly.

Atvērtā pirmkoda programmatūras pielietojuma iespējas ISO/IEC 27000 standartu sērijas prasību apmierināšanai

OpenAIRE

Vasiļjevs, Oļegs

2014-01-01

Bakalaura darba ietvaros tiek apskatīta un izanalizēta informācijas drošības pārvaldes sistēmas apakškategorija - ISO/IEC 27000 standartu sērijā. Ievērojot sertifikāta iegūšanas projekta apjomu un standartu kopas īpatnējo “zarošanas” struktūru, ir viegli definējams galvenais darba uzdevums – saprast kas tieši ir vajadzīgs no sistēmas administratora, lai īstenotu savu darba daļu pietiekami ātri. Galvenais darba mērķis ir sniegt vienkāršoto ISO/IEC 27000 standartu sērijas prasības izklāstu sis...

In vitro corrosion of Mg–1.21Li–1.12Ca–1Y alloy

Directory of Open Access Journals (Sweden)

Rongchang Zeng

2014-10-01

Full Text Available The influence of the microstructure on mechanical properties and corrosion behavior of the Mg–1.21Li–1.12Ca–1Y alloy was investigated using OM, SEM, XRD, EPMA, EDS, tensile tests and corrosion measurements. The results demonstrated that the microstructure of the Mg–1.21Li–1.12Ca–1Y alloy was characterized by α-Mg substrate and intermetallic compounds Mg2Ca and Mg24Y5. Most of the fine Mg2Ca particles for the as-cast alloy were distributed along the grain boundaries, while for the as-extruded along the extrusion direction. The Mg24Y5 particles with a larger size than the Mg2Ca particles were positioned inside the grains. The mechanical properties of Mg–1.21Li–1.12Ca–1Y alloy were improved by the grain refinement and dispersion strengthening. Corrosion pits initiated at the α-Mg matrix neighboring the Mg2Ca particles and subsequently the alloy exhibited general corrosion and filiform corrosion as the corrosion product layer of Mg(OH2 and MgCO3 became compact and thick.

Shared Decision Making in women testing for a BRCA 1/2 mutation.

NARCIS (Netherlands)

Roosmalen, M.S van

2005-01-01

Women with a BRCA1/2 mutation have a high genetic risk of developing breast and ovarian cancer. They face the difficult choice between screening and prophylactic surgery for the breasts and ovaries. We have developed a shared decision making program to prepare these women for decision making. The

Upgrading IEC strategy: the happy family coupon campaign.

Science.gov (United States)

Alberto, C S

1976-01-01

The Information, Education and Communication Division of the Family Planning Organization of the Philippines launched a Happy Family Coupon Campaign, a project to test the feasibility and the potential of a scheme whereby materials were distributed in response to individuals' expressed needs and interest. The project aims were: 1) to reach specific target groups, represented by readers of commercially printed materials; 2) to explore the potential of the mail system as a medium for the distribution of family planning materials; 3) to test the effectiveness of commercial publications as a vehicle for creating demand for family planning information; and 4) to secure feedback regarding preferences for the various family planning materials. The campaign had 2 major components: 1) advertising as a means of informing readers about the availability of certain family planning information materils, and 2) mail service as a channel for delivering requested materials to the respondents. 12 types of informational materials were distributed, each written in English, Filipino, and the Ilocano, Cebuano, and Ilongo dialects. These pamphlets and leaflets are described. The campaign drew a total of 24,226 respondents from August 1974 to December 1975. 58.7% of the respondents had 1-4 children, 26.4% had 5 or more children, and the remaining 14.9% gave no information concerning the number of children. It appears that the project has already achieved a measure of success as indicated by: 1) specific target groups were reached, 2) the potential of the mail system as a channel for the distribution of family planning was not confined to the buyers of the publications, 3) the potential of commercial publications as vehicles for creating demand for family planning information was tested, and 4) feedback regarding preferences of various groups for different family planning materials was obtained.

New ferrocenic pyrrolo[1,2-a]quinoxaline derivatives: synthesis, and in vitro antimalarial activity.

Science.gov (United States)

Guillon, Jean; Moreau, Stéphane; Mouray, Elisabeth; Sinou, Véronique; Forfar, Isabelle; Fabre, Solene Belisle; Desplat, Vanessa; Millet, Pascal; Parzy, Daniel; Jarry, Christian; Grellier, Philippe

2008-10-15

Following our search for antimalarial compounds, novel series of ferrocenic pyrrolo[1,2-a]quinoxaline derivatives 1-2 were synthesized from various substituted nitroanilines and tested for in vitro activity upon the erythrocytic development of Plasmodiumfalciparum strains with different chloroquine-resistance status. The pyrrolo[1,2-a]quinoxalines 1 were prepared in 6-8 steps through a regioselective palladium-catalyzed monoamination by coupling 4-chloropyrrolo[1,2-a]quinoxalines with 1,3-bis(aminopropyl)piperazine or -methylamine using Xantphos as the ligand. The ferrocenic bispyrrolo[1,2-a]quinoxalines 2 were prepared by reductive amination of previously described bispyrrolo[1,2-a]quinoxalines 9 with ferrocene-carboxaldehyde, by treatment with NaHB(OAc)(3). The best results were observed with ferrocenic pyrrolo[1,2-a]quinoxalines linked by a bis(3-aminopropyl)piperazine. Moreover, it was observed that a methoxy group on the pyrrolo[1,2-a]quinoxaline nucleus and no substitution on the terminal N-ferrocenylmethylamine function enhanced the pharmacological activity. Selected compounds 1b, 1f-h, 1l and 2a were tested for their ability to inhibit beta-haematin formation, the synthetic equivalent of hemozoin, by using the HPIA (heme polymerization inhibitory activity) assay. Of the tested compounds, only 2a showed a beta-haematin formation inhibition, but no inhibition of haem polymerization was observed with the other selected ferrocenic monopyrrolo[1,2-a]quinoxaline derivatives 1b, 1f-h and 1l, as the IC(50) values were superior to 10 equivalents.

CIEMAT external dosimetry service: ISO/IEC 17025 accreditation and 3 y of operational experience as an accredited laboratory

International Nuclear Information System (INIS)

Romero, A.M.; Rodriguez, R.; Lopez, J.L.; Martin, R.; Benavente, J.F.

2016-01-01

In 2008, the CIEMAT Radiation Dosimetry Service decided to implement a quality management system, in accordance with established requirements, in order to achieve ISO/IEC 17025 accreditation. Although the Service comprises the approved individual monitoring services of both external and internal radiation, this paper is specific to the actions taken by the External Dosimetry Service, including personal and environmental dosimetry laboratories, to gain accreditation and the reflections of 3 y of operational experience as an accredited laboratory. (authors)

Toward Development of a Stochastic Wake Model: Validation Using LES and Turbine Loads

Directory of Open Access Journals (Sweden)

Jae Sang Moon

2017-12-01

Full Text Available Wind turbines within an array do not experience free-stream undisturbed flow fields. Rather, the flow fields on internal turbines are influenced by wakes generated by upwind unit and exhibit different dynamic characteristics relative to the free stream. The International Electrotechnical Commission (IEC standard 61400-1 for the design of wind turbines only considers a deterministic wake model for the design of a wind plant. This study is focused on the development of a stochastic model for waked wind fields. First, high-fidelity physics-based waked wind velocity fields are generated using Large-Eddy Simulation (LES. Stochastic characteristics of these LES waked wind velocity field, including mean and turbulence components, are analyzed. Wake-related mean and turbulence field-related parameters are then estimated for use with a stochastic model, using Multivariate Multiple Linear Regression (MMLR with the LES data. To validate the simulated wind fields based on the stochastic model, wind turbine tower and blade loads are generated using aeroelastic simulation for utility-scale wind turbine models and compared with those based directly on the LES inflow. The study’s overall objective is to offer efficient and validated stochastic approaches that are computationally tractable for assessing the performance and loads of turbines operating in wakes.

Hydro-abrasive erosion on coated Pelton runners: Partial calibration of the IEC model based on measurements in HPP Fieschertal

Science.gov (United States)

Felix, D.; Abgottspon, A.; Albayrak, I.; Boes, R. M.

2016-11-01

At medium- and high-head hydropower plants (HPPs) on sediment-laden rivers, hydro-abrasive erosion on hydraulic turbines is a major economic issue. For optimization of such HPPs, there is an interest in equations to predict erosion depths. Such a semi-empirical equation suitable for engineering practice is proposed in the relevant guideline of the International Electrotechnical Commission (IEC 62364). However, for Pelton turbines no numerical values of the model's calibration parameters have been available yet. In the scope of a research project at the high-head HPP Fieschertal, Switzerland, the particle load and the erosion on the buckets of two hard-coated 32 MW-Pelton runners have been measured since 2012. Based on three years of field data, the numerical values of a group of calibration parameters of the IEC erosion model were determined for five application cases: (i) reduction of splitter height, (ii) increase of splitter width and (iii) increase of cut-out depth due to erosion of mainly base material, as well as erosion of coating on (iv) the splitter crests and (v) inside the buckets. Further laboratory and field investigations are recommended to quantify the effects of individual parameters as well as to improve, generalize and validate erosion models for uncoated and coated Pelton turbines.

Calibration of kV measurers with the practical peak voltage (IEC 1676)

International Nuclear Information System (INIS)

Becker, Paulo H.B.; Peres, Marcos A.L.; Ludwig, Jaime L.; Chernicharo, Carlos C.

2002-01-01

The IEC 1676 standard introduces a new quantity for the measurements of the high voltages applied to the X ray tubes used for diagnosis, the 'Practical Peak Voltage' (PPV). In order to start the introduction of this new quantity in Brazil the National Laboratory for Metrology of Ionizing Radiation has developed a procedure for calibrating measuring instruments in this quantity. This procedure is based in the same set up used for the calibration of the conventional kVp, which consists in a high voltage divider (Dynalyser III from Radcal Corporation), a fast analogue to digital conversion board and a data acquisition software. In order to evaluate this procedure a commercial kVp measure instrument that is able to measure PPV (Universal Diavolt from PTW) was calibrated and the results compared. This work presents a summary of the procedure developed and the results obtained with the comparison. (author)

Generation of a plan for the implementation of INTE/ISO IEC 17025 in a paint industry and modification of a quality manual

International Nuclear Information System (INIS)

Salazar Gomez, Andrea Marcela

2014-01-01

A diagnosis to the integrated management system and quality control laboratories is done in a paint industry. The administrative aspects related with the documentation are evaluated: procedures, instructions, records, processes of sampling, testing, for possible accreditation of some methods of analysis under the norm ISO/IEC 17025 representing an opportunity for growth and improvement in labs. The laboratories of the paint industry have analyzed a number of materials such as products for the various stages of construction and beautification of homes, buildings and other, as well as evaluation of the requirements established by international standards to demonstrate competence regarding these. The feasibility of implementing the standard is visualized, solving the disagreements that have been found during the evaluation period. The impact of the perception of quality is determined by the direction, the need for investment in resources, training and equipment. (author) [es

Electric Vehicle Communications Standards Testing and Validation - Phase II: SAE J2931/1

Energy Technology Data Exchange (ETDEWEB)

Pratt, Richard M. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Gowri, Krishnan [Pacific Northwest National Lab. (PNNL), Richland, WA (United States)

2013-01-15

Vehicle to grid communication standards enable interoperability among vehicles, charging stations and utility providers and provide the capability to implement charge management. Several standards initiatives by the Society of Automobile Engineers (SAE), International Standards Organization and International Electrotechnical Commission (ISO/IEC), and ZigBee/HomePlug Alliance are developing requirements for communication messages and protocols. Recent work by the Electric Power Research Institute (EPRI) in collaboration with SAE and automobile manufacturers has identified vehicle to grid communication performance requirements and developed a test plan as part of SAE J2931/1 committee work. This laboratory test plan was approved by the SAE J2931/1 committee and included test configurations, test methods, and performance requirements to verify reliability, robustness, repeatability, maximum communication distance, and authentication features of power line carrier (PLC) communication modules at the internet protocol layer level. The goal of the testing effort was to select a communication technology that would enable automobile manufacturers to begin the development and implementation process. The EPRI/Argonne National Laboratory (ANL)/Pacific Northwest National Laboratory (PNNL) testing teams divided the testing so that results for each test could be presented by two teams, performing the tests independently. The PNNL team performed narrowband PLC testing including the Texas Instruments (TI) Concerto, Ariane Controls AC-CPM1, and the MAXIM Tahoe 2 evaluation boards. The scope of testing was limited to measuring the vendor systems communication performance between Electric Vehicle Support Equipment (EVSE) and plug-in electric vehicles (PEV). The testing scope did not address PEV’s CAN bus to PLC or PLC to EVSE (Wi-Fi, cellular, PLC Mains, etc.) communication integration. In particular, no evaluation was performed to delineate the effort needed to translate the IPv6

Análisis del índice de morosidad en la cartera de créditos del iece-guayaquil y propuesta de mecanismos de prevención de morosidad y técnicas eficientes de cobranzas

OpenAIRE

Parrales Ramos, Carlos

2013-01-01

El desarrollo del trabajo está enfocado en el análisis del índice de morosidad del Instituto Ecuatoriano de Crédito Educativo y Becas de Guayaquil, para que a partir de ésta investigación se puedan generar estrategias que permitan prevenir la morosidad y establecer técnicas de cobranzas efectivas. Con corte a abril/2012, el índice de morosidad de la banca pública ecuatoriana fue de 8.22%, mientras que el del IECE-Guayaquil, fue de 12.13%. Como parte de la investigación se analizó cómo se mane...

Resilience to audiogenic seizures is associated with p-ERK1/2 dephosphorylation in the subiculum of Fmr1 knockout mice

Directory of Open Access Journals (Sweden)

Giulia eCuria

2013-04-01

Full Text Available Young, but not adult, Fmr1 knockout (KO mice display audiogenic seizures (AGS that can be prevented by inhibiting extracellular signal-regulated kinases 1/2 (ERK1/2 phosphorylation. In order to identify the cerebral regions involved in these phenomena, we characterized the response to AGS in Fmr1 KO mice and wild type (WT controls at postnatal day (P 45 and P90. To characterize the diverse response to AGS in various cerebral regions, we evaluated the activity markers FosB/ΔFosB and phosphorylated ERK1/2 (p-ERK1/2. Wild running (100% of tested mice followed by clonic/tonic seizures (30% were observed in P45 Fmr1 KO mice, but not in WT mice. In P90 Fmr1 KO mice, wild running was only present in 25% of tested animals. Basal FosB/ΔFosB immunoreactivity was higher (P<0.01 vs WT in the CA1 and subiculum of P45 Fmr1 KO mice. Following the AGS test, FosB/ΔFosB expression consistently increased in most of the analyzed regions in both groups at P45, but not at P90. Interestingly, FosB/ΔFosB immunoreactivity was significantly higher in P45 Fmr1 KO mice in the medial geniculate body (P<0.05 vs WT and CA3 (P<0.01. Neurons presenting with immunopositivity to p-ERK1/2 were more abundant in the subiculum of Fmr1 KO mice in control condition (P<0.05 vs WT, in both age groups. In this region, p-ERK1/2-immunopositive cells significantly decreased (-75%, P<0.01 in P90 Fmr1 KO mice exposed to the AGS test, but no changes were found in P45 mice or in other brain regions. In both age groups of WT mice, p-ERK1/2-immunopositive cells increased in the subiculum after exposure to the acoustic test. Our findings illustrate that FosB/ΔFosB markers are overexpressed in the medial geniculate body and CA3 in Fmr1 KO mice experiencing AGS, and that p-ERK1/2 is markedly decreased in the subiculum of Fmr1 KO mice resistant to AGS induction. These findings suggest that resilience to AGS is associated with dephosphorylation of p-ERK1/2 in the subiculum of mature Fmr1 KO mice.

Knowledge, attitude, behaviour and practices (KABP) of the community and resultant IEC leading to behaviour change about dengue in Jodhpur City, Rajasthan.

Science.gov (United States)

2016-01-01

In recent years dengue has been witnessed as an emerging public health problem. Therefore, the present study was undertaken in order to assess the knowledge, attitude, behaviour and practices (KABP) adopted by the society for its control and prevention. The changes in behaviour of community after imparting health education were also recorded to determine the effectiveness of information, education and communication (IEC) for dengue prevention and control in Jodhpur City of Rajasthan, India. A threefold study was conducted in Jodhpur City regarding KABP about dengue fever amongst the community. Out of 106 cases of dengue reported from Jodhpur City in the year 2008, only 20 households (HHs) could be located. Therefore, nine HHs around one dengue positive household were selected so as to cover the sample size of 200 HHs for eliciting information through structured recorded interview-schedule. Health education as provided through audiovisuals and group discussion etc. and resultant change in KABP was recorded again through interview of respondents from 100 households. Prevention from dengue mosquito bites through mats and liquid vaporizer was known to 32 and 22% HHs respectively. Inhabitants of 87% HHs preferred to visit private health facility, 85% of HHs were not aware about the symptoms of dengue, while74% HHs stated that dengue mosquito breeds in dirty water. Awareness about source of mosquito breeding and source reduction was found to be very poor, i.e. 3 and 13% which improved to 78 and 88% respectively after undertaking IEC activities. Being urban area, the economic condition and education level were somewhat similar and satisfactory in Jodhpur City. IEC resulted in significant improvement in knowledge about transmission, breeding habitats of mosquito transmitting dengue, source reduction and health treatment seeking behaviour at government facility. Through such mass awareness programmes in the communities, desired results in prevention and control of dengue

76 FR 49237 - Energy Conservation Program: Test Procedures for Residential Clothes Washers

Science.gov (United States)

2011-08-09

...) Standard 62301, ``Household electrical appliances--Measurement of standby power'' (Second Edition). DOE... possible, please submit all items on a CD. It is not necessary to include printed copies. 4. Hand Delivery.... The IEC published IEC Standard 62301, Edition 2.0 2011-01 (``IEC Standard 62301 (Second Edition)'' or...

C1-2 arthrography

Energy Technology Data Exchange (ETDEWEB)

Chevrot, A [Service de Radiologie B, Hopital Cochin, 75 - Paris (France); Cermakova, E [Service de Radiologie B, Hopital Cochin, 75 - Paris (France); Vallee, C [Service de Radiologie B, Hopital Cochin, 75 - Paris (France); Chancelier, M D [Service de Radiologie B, Hopital Cochin, 75 - Paris (France); Chemla, N [Service de Radiologie B, Hopital Cochin, 75 - Paris (France); Rousselin, B [Service de Radiologie B, Hopital Cochin, 75 - Paris (France); Langer-Cherbit, A [Service de Radiologie B, Hopital Cochin, 75 - Paris (France)

1995-08-01

One hundred patients with the following conditions were studied: cervical pain or neuralgia without radiographic changes, osteoarthritis, rheumatoid arthritis, ankylosing spondylarthritis and diverse conditions. The technique consists of lateral puncture of the posterior aspect of the C1-2 joint with a 20-gauge needle under fluoroscopic control, arthrography using 1 ml contrast medium, and a 1-ml long-acting steroid injection subsequently. The articular cavity has an anterior and a posterior recess. Sometimes the posterior recess is large. In 18% of cases the contralateral joint also opacifies. C1-2 arthrography appears to be an efficient and safe technique for the treatment of upper cervical pain due to C1-2 articular disorders. (orig.)

C1-2 arthrography

International Nuclear Information System (INIS)

Chevrot, A.; Cermakova, E.; Vallee, C.; Chancelier, M.D.; Chemla, N.; Rousselin, B.; Langer-Cherbit, A.

1995-01-01

One hundred patients with the following conditions were studied: cervical pain or neuralgia without radiographic changes, osteoarthritis, rheumatoid arthritis, ankylosing spondylarthritis and diverse conditions. The technique consists of lateral puncture of the posterior aspect of the C1-2 joint with a 20-gauge needle under fluoroscopic control, arthrography using 1 ml contrast medium, and a 1-ml long-acting steroid injection subsequently. The articular cavity has an anterior and a posterior recess. Sometimes the posterior recess is large. In 18% of cases the contralateral joint also opacifies. C1-2 arthrography appears to be an efficient and safe technique for the treatment of upper cervical pain due to C1-2 articular disorders. (orig.)

15 CFR 12.1 - Introduction.

Science.gov (United States)

2010-01-01

... 15 Commerce and Foreign Trade 1 2010-01-01 2010-01-01 false Introduction. 12.1 Section 12.1 Commerce and Foreign Trade Office of the Secretary of Commerce FAIR PACKAGING AND LABELING § 12.1 Introduction. (a) These procedures apply to the discharge of the responsibility given to the Secretary of...

The Gap in Noise test in 11 and 12-year-old children.

Science.gov (United States)

Perez, Ana Paula; Pereira, Liliane Desgualdo

2010-01-01

gap detection in 11 and 12-year-old children. to investigate temporal resolution through the Gap in Noise test in children of 11 and 12 years in order to establish criteria of normal development. participants were 92 children, with ages of 11 and 12 years, enrolled in elementary school, with no evidences of otologic, and/or neurologic, and/or cognitive disorders, as well as with no history of learning difficulties or school failure. Besides that, participants' hearing thresholds were within normal limits and their verbal recognition in the dichotic test of digits was equal or superior to 95% of hits. All were submitted to the Gap in Noise test. The statistical analysis was performed by non-parametric tests with significance level of 0.05 (5%). the average of the gap thresholds was 5.05 ms, and the average percentage of correct answers was 71.70%. There was no significant statistical difference between the responses by age (eleven and twelve years), by ear (right and left), by gender (male and female). However, when comparing the tests, it was observed that the 1st test showed a higher percentage of identifications of gap, statistically significant than the 2nd test. in 78.27% of the population of this study, the gap thresholds were up to 5 ms, response recommended as normality reference for the age group searched.

Fourteen years of test experience with short-circuit withstand capability of large power transformers

NARCIS (Netherlands)

Smeets, R.P.P.; Paske, te L.H.

2010-01-01

Experience is reported of short-circuit testing of large power transformers during the past 14 years by KEMA in the Netherlands. In total, 119 transformers > 25 MVA participated in the survey. KEMA shows that at initial access to standard IEC short-circuit tests, 28% failed initially in a wide range

Sixteen years of test experiences with short-circuit withstand capability of large power transformers

NARCIS (Netherlands)

Smeets, R.P.P.; Paske, te L.H.

2012-01-01

Experience is reported of short-circuit testing of large power transformers during the past 16 years by KEMA in the Netherlands. In total, 174 transformers > 25 MVA participated in the survey. KEMA shows that at initial access to standard IEC short-circuit tests, 24% failed initially in a wide range

6,6'-(1E,1'E-((1R,2R-1,2-Diphenylethane-1,2-diylbis(azan-1-yl-1-ylidenebis(methan-1-yl-1-ylidenebis(2-tert-butyl-4-((trimethylsilylethynylphenol

Directory of Open Access Journals (Sweden)

David Díaz Díaz

2013-03-01

Full Text Available Functionalizable salen derivative, 6,6'-(1E,1'E-((1R,2R-1,2-diphenylethane-1,2-diylbis(azan-1-yl-1-ylidenebis(methan-1-yl-1-ylidenebis(2-tert-butyl-4-((trimethylsilyl ethyn-ylphenol (3, was synthesized by condensation between (1R,2R-1,2-diphenylethane-1,2-diamine (2 and 3-tert-butyl-2-hydroxy-5-((trimethylsilylethynyl benzaldehyde (1 under refluxing conditions. The title compound was characterized by 1H-NMR, 13C-NMR, FT-IR, high-resolution mass spectrometry, optical rotation and melting point determination.

Proficiency Testing Activities of Frequency Calibration Laboratories in Taiwan, 2009

Science.gov (United States)

2009-11-01

cht.com.tw Abstract In order to meet the requirements of ISO 17025 and the demand of TAF (Taiwan Accreditation Foundation) for calibration inter... IEC 17025 General requirements for the competence of testing and calibration laboratories. The proficiency testing results are then important...on-site evaluation, an assessment team is organized to examine the technical competence of the labs and their compliance with the requirements of ISO

Wastage-resistant characteristics of 12Cr steel tube material. Small leak sodium-water reaction test

International Nuclear Information System (INIS)

Shimoyama, Kazuhito

2004-03-01

In the water leak accident of a steam generator designed for a sodium cooled reactor in the Feasibility Study, the localization of tube failure propagation by using an advanced water leak detector will be required from the viewpoints of the safety and economical efficiency of the plant. So far, the conventional knowledge and analytical tools have been used in the investigation and evaluation of water leak phenomenon; nevertheless, there was neither test data nor the study of quantitative evaluation on the corrosion behavior, so-called wastage-resistant characteristics, of 12Cr steel tube material in sodium-water reactions. Wastage tests for the 12Cr steel tube material were conducted in small water leaks by use of the Sodium-Water Reaction Test Rig (SWAT-1R), and the data of wastage rate were obtained in the parameter of water leak rate under the constant sodium temperature and distance between leak and target tubes. The test results lead to the following conclusions: (1) The wastage-resistibility of 12Cr steel is 1.6 times greater than that of 9Cr steel and is 2.7 times greater than that of 2.25Cr-1Mo steel. (2)The wastage-resistibility of 12Cr steel increases in smaller water leaks; especially in water leak rates of 1 g/sec or less, it is more excellent than that of SUS321 stainless steel used as Monju superheater tube material. (3) Based on the correlation of wastage rate for the 9Cr steel, the correlation for the 12Cr steel has been obtained to be used for the evaluation of tube failure propagation. As the correlation of wastage rate for the 12Cr steel is based on the correlation for the 9Cr steel, it gives enough conservatism in smaller water leaks. To serve in accurately evaluating the tube failure propagation in smaller water leaks, it is necessary to obtain new correlation of wastage rate for the 12Cr steel based on the data in the wide range of water leak rates. (author)

A Historical Evaluation of the U12t Tunnel, Nevada Test Site, Nye County, Nevada, Volume 1 of 6

Energy Technology Data Exchange (ETDEWEB)

Drollinger, Harold [Desert Research Institute (DRI), Nevada System of Higher Education, Reno,NV (United States); Jones, Robert C. [Desert Research Institute (DRI), Nevada System of Higher Education, Reno,NV (United States); Bullard, Thomas F. [Desert Research Institute (DRI), Nevada System of Higher Education, Reno,NV (United States); Ashbaugh, Laurence J. [Southern Nevada Courier Service, NV (United States); Griffin, Wayne R. [Stoller-Navarro Joint Venture, Las Vegas, NV (United States)

2009-02-01

This report presents a historical evaluation of the U12t Tunnel on the Nevada Test Site in southern Nevada. The work was conducted by the Desert Research Institute at the request of the U.S. Department of Energy, National Nuclear Security Administration Nevada Site Office and the U.S. Department of Defense, Defense Threat Reduction Agency (DTRA). The U12t Tunnel is one of a series of tunnels used for underground nuclear weapons effects tests on the east side of Rainier and Aqueduct Mesas. Six nuclear weapons effects tests, Mint Leaf, Diamond Sculls, Husky Pup, Midas Myth/Milagro, Mighty Oak, and Mission Ghost, and one high explosive test, SPLAT, were conducted within the U12t Tunnel from 1970 to 1987. All six of the nuclear weapons effects tests and the high explosive test were sponsored by DTRA. Two conventional weapons experiments, Dipole Knight and Divine Eagle, were conducted in the tunnel portal area in 1997 and 1998. These experiments were sponsored by the Defense Special Weapons Agency. The U12t Tunnel complex is composed of the Portal and Mesa Areas and includes an underground tunnel with a main access drift and nine primary drifts, a substantial tailings pile fronting the tunnel portal, a series of discharge ponds downslope of the tailings pile, and two instrumentation trailer parks and 16 drill holes on top of Aqueduct Mesa. A total of 89 cultural features were recorded: 54 at the portal and 35 on the mesa. In the Portal Area, cultural features are mostly concrete pads and building foundations; other features include the portal, rail lines, the camel back, ventilation and cooling system components, communication equipment, and electrical equipment. On the mesa are drill holes, a few concrete pads, a loading ramp, and electrical equipment.

Corrective Action Investigation Plan for Corrective Action Unit 552: Area 12 Muckpile and Ponds, Nevada Test Site, Nevada, Rev. No.: 1 with ROTC 1 and 2

Energy Technology Data Exchange (ETDEWEB)

David A. Strand

2005-01-01

This Corrective Action Investigation Plan (CAIP) contains project-specific information including facility descriptions, environmental sample collection objectives, and criteria for conducting site investigation activities at Corrective Action Unit (CAU) 552: Area 12 Muckpile and Ponds, Nevada Test Site (NTS), Nevada. This CAIP has been developed in accordance with the ''Federal Facility Agreement and Consent Order'' (FFACO) (1996) that was agreed to by the State of Nevada, the U.S. Department of Energy (DOE), and the U.S. Department of Defense. The NTS is approximately 65 miles (mi) northwest of Las Vegas, Nevada (Figure 1-1). Corrective Action Unit 552 is comprised of the one Corrective Action Site which is 12-23-05, Ponds. One additional CAS, 12-06-04, Muckpile (G-Tunnel Muckpile), was removed from this CAU when it was determined that the muckpile is an active site. A modification to the FFACO to remove CAS 12-06-04 was approved by the Nevada Division of Environmental Protection (NDEP) on December 16, 2004. The G-Tunnel ponds were first identified in the 1991 Reynolds Electrical & Engineering Co., Inc. document entitled, ''Nevada Test Site Inventory of Inactive and Abandoned Facilities and Waste Sites'' (REECo, 1991). Corrective Action Unit 552 is being investigated because existing information on the nature and extent of potential contamination is insufficient to evaluate and recommend corrective action alternatives. Therefore, additional information will be obtained by conducting a corrective action investigation (CAI) prior to evaluating and selecting the corrective action alternatives for the site. The CAI will include field inspections, radiological surveys, and sampling of appropriate media. Data will also be obtained to support investigation-derived waste (IDW) disposal and potential future waste management decisions.

Updating and test on 12 kA HTSCL for Russia JINR

International Nuclear Information System (INIS)

Zhou, Tingzhi; Ding, K; Liu, C; Xu, C; Feng, H; Wu, H; Liu, X; Song, Y

2014-01-01

The Joint Institute for Nuclear Research (JINR) started manufacture and test of superconducting magnets for the new accelerator complex Nuclotron-based Ion Collider fAcility (NICA). A pair of current leads rated 12 kA was developed for cold testing of the magnets in 2012. The operation of the facility needs ∼350 leads rated from 100 A to 12 kA to convey current for the magnets. After the test of the pair of 12 kA leads in JINR a contract of supplying 3 pairs of 12 kA high temperature superconducting current leads (HTSCLs) were signed to ASIPP this year. In this paper the design updating and test of the current leads are introduced.

Firefighting and Emergency Response Study of Advanced Composites Aircraft. Objective 3: Penetrating and Overhauling Wreckage

Science.gov (United States)

2011-10-01

ompliance with the 150/ IEC 17025 ;md is a.ccredited by tm: Ame:ricw Association for Laboratory Accreditation(A2LA~ certificatt:s +1740.01 and +1740.02...ith the ISO / IEC 1 7025 and is accredited by t he American Association for L abo:ratol)’ Accreditation (A2LA), certificates ++741)_01 and ++741) _1...Test Labs - Charleston maintains a quality system incompliance with t~ 150/ IEC 17025 and is acrredited by the A~rican AssociationforL

An Investigation on Myanmar Traditional Medicine Formulation (TME-12) (Setkupala No.1)

International Nuclear Information System (INIS)

Shwe Sin; Aye Aye Tun; Daw Hla Ngwe; Kyaw Naing

2011-12-01

Myanmar Traditional Medicine Formulation (TMF-12) (Setkupala No.1) is such a wide use of household medicine in both rural and urban area that it was investigated. This medicine is utilized for treatment of aches and pain, blood impurity, especially eye disorder such as blurring of vision. Elemental role of Myanmar Traditional Medicine is found to be quite limited. The elemental content of TMF-12 was studied by Neutron Activation Analysis (NAA), Atomic Absorption Spectrophotometry (ASS) and Energy Dispersive X-Ray Fluorescence (EDXRF) method. A total of 28 elements were detected. Preliminary screening for radical scavenging of various extracts from TMF-12 exhibited the antioxidant activity tested by 1, 1 diphenyl 2- picrylhydrazyl (DPPH) solution. Antimicrobial activity studies showed the inhibitory activity of the soluble crude extracts against test organisms including Bacillus substilis, Bacillus pumilus, Staphylococcus aureus, Pseudomonas aeruginosa, Candida albicans and Mycobacterium species. From phytochemical investigation and FT-IR study, alkaloids, glycosides, alcohol, amino acid, aliphatic, aromatic, phenolic and olefinic compounds were present in TMF-12.

Analisis Sistem Manajemen Keamanan Informasi Menggunakan ISO/IEC 27001 : 2013 Serta Rekomendasi Model Sistem Menggunakan Data Flow Diagram pada Direktorat Sistem Informasi Perguruan Tinggi

Directory of Open Access Journals (Sweden)

Yuni Cintia Yuze

2016-11-01

Full Text Available The importance of information and the possible risk of disruption, therefore the universities need to designed and implemented of the information security.  One of the standards that can be used to analyze the level of information security in the organization is ISO/IEC 27001 : 2013 and this standard has been prepared to provide requirements for establishing, implementing, maintaining and continually improving an information security management system. The objective of this research is to measure the level of information security based on standard ISO/IEC 27001: 2013 and modeling systems for information security management. This research uses descriptive qualitative approach, data collection and validation techniques with tringulasi (interview, observation and documentation. Data was analyzed using gap analysis and to measure the level of maturity this research uses SSE-CMM (Systems Security Engineering Capability Maturity Model. Based on the research results, Maturity level clause Information Security Policy reaches level 1 (Performed-Informally, clause Asset Management reaches level 3 (Well-Defined, clause Access Control reaches level 3 (Well-Defined, clause Physical and Environmental Security reaches level 3 (Well-Defined, clause Operational Security reaches level 3 (Well-Defined, Communication Security clause reaches the level 2 (Planned and Tracked. Based on the results of maturity level discovery of some weakness in asset management in implementing the policy. Therefore, the modeling system using the flow map and CD / DFD focused on Asset Management System.

75 FR 42315 - Third Party Testing for Certain Children's Products; Carpets and Rugs: Requirements for...

Science.gov (United States)

2010-07-21

... (ISO)/International Electrotechnical Commission (IEC) Standard 17025:2005, ``General Requirements for... and of the requirements of the ISO/IEC 17025:2005 laboratory accreditation standard is provided in the....org/membersbycategory.html . The accreditation must be to ISO Standard ISO/IEC 17025:2005, ``General...

Layered P2-Na 2/3 Co 1/2 Ti 1/2 O 2 as a high-performance cathode material for sodium-ion batteries

Energy Technology Data Exchange (ETDEWEB)

Sabi, Noha; Doubaji, Siham; Hashimoto, Kazuki; Komaba, Shinichi; Amine, Khalil; Solhy, Abderrahim; Manoun, Bouchaib; Bilal, Essaid; Saadoune, Ismael

2017-02-01

Layered oxides are regarded as promising cathode materials for sodium-ion batteries. We present Na2/3Co1/2Ti1/2O2 as a potential new cathode material for sodium-ion batteries. The crystal features and morphology of the pristine powder were characterized by X-ray diffraction (XRD) and scanning electron microscopy (SEM). The cathode material is evaluated in galvanostatic charge-discharge and galvanostatic intermittent titration tests, as well as ex-situ X-ray diffraction analysis. Synthesized by a high-temperature solid state reaction, Na2/3Co1/2Ti1/2O2 crystallizes in P2-type structure with P6(3)/mmc space group. The material presents reversible electrochemical behavior and delivers a specific discharge capacity of 100 mAh g(-1) when tested in Na half cells between 2.0 and 4.2 V (vs. Na+/Na), with capacity retention of 98% after 50 cycles. Furthermore, the electrochemical cycling of this titanium-containing material evidenced a reduction of the potential jumps recorded in the NaxCoO2 parent phase, revealing a positive impact of Ti substitution for Co. The ex-situ XRD measurements confirmed the reversibility and stability of the material. No structural changes were observed in the XRD patterns, and the P2-type structure was stable during the charge/discharge process between 2.0 and 4.2 V vs. Na+/Na. These outcomes will contribute to the progress of developing low cost electrode materials for sodium-ion batteries. (C) 2017 Elsevier B.V. All rights reserved.

ACER Chemistry Test Item Collection (ACER CHEMTIC Year 12 Supplement).

Science.gov (United States)

Australian Council for Educational Research, Hawthorn.

This publication contains 317 multiple-choice chemistry test items related to topics covered in the Victorian (Australia) Year 12 chemistry course. It allows teachers access to a range of items suitable for diagnostic and achievement purposes, supplementing the ACER Chemistry Test Item Collection--Year 12 (CHEMTIC). The topics covered are: organic…

E-cadherin Is Critical for Collective Sheet Migration and Is Regulated by the Chemokine CXCL12 Protein During Restitution*

Science.gov (United States)

Hwang, Soonyean; Zimmerman, Noah P.; Agle, Kimberle A.; Turner, Jerrold R.; Kumar, Suresh N.; Dwinell, Michael B.

2012-01-01

Chemokines and other immune mediators enhance epithelial barrier repair. The intestinal barrier is established by highly regulated cell-cell contacts between epithelial cells. The goal of these studies was to define the role for the chemokine CXCL12 in regulating E-cadherin during collective sheet migration during epithelial restitution. Mechanisms regulating E-cadherin were investigated using Caco2BBE and IEC-6 model epithelia. Genetic knockdown confirmed a critical role for E-cadherin in in vitro restitution and in vivo wound repair. During restitution, both CXCL12 and TGF-β1 tightened the monolayer by decreasing the paracellular space between migrating epithelial cells. However, CXCL12 differed from TGF-β1 by stimulating the significant increase in E-cadherin membrane localization during restitution. Chemokine-stimulated relocalization of E-cadherin was paralleled by an increase in barrier integrity of polarized epithelium during restitution. CXCL12 activation of its cognate receptor CXCR4 stimulated E-cadherin localization and monolayer tightening through Rho-associated protein kinase activation and F-actin reorganization. These data demonstrate a key role for E-cadherin in intestinal epithelial restitution. PMID:22549778

Generic test platform for representative tests of safety I/C systems - 15546

International Nuclear Information System (INIS)

Fourestie, B.; Kuck, H.; Richter, J.; Rieche, S.; Waitz, M.

2015-01-01

In compliance with the IEC 61513 safety Instrumentation and Control (I/C) systems must be successfully validated in their final configuration prior to installation on site and commissioning. However the contingent need for modifications during system validation activities or subsequently during the commissioning phase may entail long and costly re-engineering of the I/C systems. With the view to ease these possible modifications, a Generic Test Platform has been developed by AREVA which allows combining a real I/C system subpart with an emulation server. This platform provides a faithful representation of the I/C System allowing crediting the validation test results carried out on this platform. (authors)

YF-12A #935 with test pilot Donald L. Mallick

Science.gov (United States)

1972-01-01

NASA test pilot Don Mallick, in full pressure suit, stands in front of the YF-12A (60-6935). Don is ready for a flight across the Western United States. Donald L. Mallick joined the National Advisory Committee for Aeronautics' Langley Aeronautical Laboratory at Hampton, Virginia, as a research pilot, in June 1957. He transferred to the National Aeronautics and Space Administration's Flight Research Center, Edwards, California, in February 1963. Mallick attended Pennsylvania State University, University Park, Pennsylvania, for the period 1948-1949, studying Mechanical Engineering before entering the U.S. Navy for pilot training. Don served during the Korean War period, 1950-1954, flying F2H-2 Banshee jets from the carriers, USS F.D. Roosevelt and the USS Wasp. Later in 1954 he returned to school at the University of Florida, Gainesville, Florida, graduating with Honors in June 1957 and earning his degree in aeronautical engineering. Don joined the Naval Reserves and served in almost all categories of Reserve operations before retiring in 1970 as a Lieutenant Commander. As a research pilot at NACA-NASA Langley Don flew quantitative stability-&-control and handling-qualities tests on modified helicopters. On the Vertol VZ-2 Vertical Short Take-off and Landing research aircraft, he performed qualitative evaluation flights. Other aircraft flown for flight tests were: F2H-1 Banshee, F-86D, F9F-2 and F8U-3, F11F-1 Tigercat, and F-100C. Don also flew support and photo flights. In his capacity as research pilot at the NASA Flight Research Center Don was assigned to NASA's Lockheed Jetstar General Purpose Airborne Simulator (GPAS). He flew all of the tests, with the majority being as project pilot. Mallick made a flight in the lightweight M2-F1 lifting body on January 30, 1964. In 1964, Don was assigned to and completed the USAF Test pilot school, Class 64A. Later in 1964, he flew as the co-project pilot on the Lunar Landing Research Vehicle (LLRV) making over seventy

CrossTalk. The Journal of Defense Software Engineering. Volume 26, Number 1

Science.gov (United States)

2013-02-01

comprehen- sive software development process, which incorporates best practices as well as standards such as IEEE 12207 -2008. The contractor will be...5], defines software quality as the degree to which software possesses a desired combination of attributes. Similarly, ISO /IEC 9126-1:2001 [6], one...attributes of the quality characteristics defined in ISO /IEC 9126-1. It should be noted that the 9126-series is being revised as part of the Software Product

Hierarchical domain structure of lead-free piezoelectric (Na{sub 1/2} Bi{sub 1/2})TiO{sub 3}-(K{sub 1/2} Bi{sub 1/2})TiO{sub 3} single crystals

Energy Technology Data Exchange (ETDEWEB)

Luo, Chengtao, E-mail: lchentao@vt.edu; Wang, Yaojin; Ge, Wenwei; Li, Jiefang; Viehland, Dwight [Materials Science and Engineering, Virginia Tech, Blacksburg, Virginia 24061 (United States); Delaire, Olivier [Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831 (United States); Li, Xiaobin; Luo, Haosu [Shanghai Institute of Ceramics, Chinese Academy of Sciences, 215 Chengbei Road, Jiading, Shanghai 201800 (China)

2016-05-07

We report a unique hierarchical domain structure in single crystals of (Na{sub 1/2}Bi{sub 1/2})TiO{sub 3}-xat. %(K{sub 1/2}Bi{sub 1/2})TiO{sub 3} for x = 5 and 8 by transmission electron microscopy (TEM). A high density of polar nano-domains with a lamellar morphology was found, which were self-assembled into a quadrant-like configuration, which then assembled into conventional ferroelectric macro-domains. Studies by high resolution TEM revealed that the polar lamellar regions contained a coexistence of in-phase and anti-phase oxygen octahedral tilt regions of a few nanometers in size. Domain frustration over multiple length scales may play an important role in the stabilization of the hierarchy, and in reducing the piezoelectric response of this Pb-free piezoelectric solid solution.

Thirteen years test experience with short-circuit withstand capability of large power transformers

NARCIS (Netherlands)

Smeets, R.P.P.; Paske, te L.H.; Leufkens, P.P.; Fogelberg, T.

2009-01-01

The ability to withstand a short circuit is recognised more and more as an essential characteristic of power transformers. IEC and IEEE Standards, as well as other national standards specify short-circuit testing and how to check the withstand capability. Unfortunately, however, there is extensive

Development of analytical methods for the gas chromatographic determination of 1,2-epoxy-3-butene, 1,2:3,4-diepoxybutane, 3-butene-1,2-diol, 3,4-epoxybutane-1,2-diol and crotonaldehyde from perfusate samples of 1,3-butadiene exposed isolated mouse and rat livers

Energy Technology Data Exchange (ETDEWEB)

Bhowmik, S.; Schuster, A.; Filser, J.G.

2003-07-01

Mutagenicity and carcinogenicity of 1,3-butadiene (BD) highly probably results from epoxide metabolites as 1,2-epoxy-3-butene (EB), 1,2:3,4-diepoxybutane (DEB) and 3,4-epoxybutane-1,2-diol (EBD). A further metabolite crotonaldehyde (CA) has also been discussed to be relevant. So far, in BD exposed rodents only EB and DEB concentrations had been quantified. However, the methods used were either not very sensitive or instrumentally expensive. Therefore, the goal of the present work was to establish simple analytical methods selective and sensitive enough to determine all of these compounds and a further secondary BD intermediate, 3-butene-1,2-diol (B-diol), in BD exposed rodent livers. The once-through perfused liver system was chosen for testing the applicability of the methods to be developed, since it enables BD exposures of this quantitatively most relevant metabolising organ near to the in-vivo situation. All the metabolites were extracted from the aqueous perfusion medium and analysed using a gas chromatograph equipped with a mass selective detector (GC/MS) in the PCI mode. (orig.)

Availability of systems with self-diagnostic components--applying Markov model to IEC 61508-6

International Nuclear Information System (INIS)

Zhang Tieling; Long, Wei; Sato, Yoshinobu

2003-01-01

Of all the techniques applicable to safety-related analyses, each one may be adaptable to some aspects of the system safety behavior. On the other hand, some of them can fit to analysis on one aspect of the system behavior concerning risk, but they do not always lead to the same results. Rouvroye and Brombacher made a comparison of these techniques and indicated that Markov and Enhanced Markov analysis techniques can cover most aspects of system's safety-related behavior. According to their conclusion, the Markov method is introduced to Part 6 of the standard IEC 61508 for quantitative analysis in this paper. The purpose is to present explanation in details for solutions given in the standard because there are not clear descriptions for many results and it is not easy for a safety engineer to find the clue. In addition, the down time t c1 shown in the standard is newly defined because it is the basis to get the results of average probability of failure on demand of system architectures and its meaning is not clearly explained. Through derivation, however, a discrepancy is found in the standard. From this point of view, new suggestions are proposed based on the results obtained

Harnessing ISO/IEC 12207 to Examine the Extent of SPI Activity in an Organisation

Science.gov (United States)

Clarke, Paul; O'Connor, Rory

The quality of the software development process directly affects the quality of the software product. To be successful, software development organisations must respond to changes in technology and business circumstances, and therefore software process improvement (SPI) is required. SPI activity relates to any modification that is performed to the software process in order to improve an aspect of the process. Although multiple process assessments could be employed to examine SPI activity, they present an inefficient tool for such an examination. This paper presents an overview of a new survey-based resource that utilises the process reference model in ISO/IEC 12207 in order to expressly and directly determine the level of SPI activity in a software development organisation. This survey instrument can be used by practitioners, auditors and researchers who are interested in determining the extent of SPI activity in an organisation.

12 CFR 3.1 - Authority.

Science.gov (United States)

2010-01-01

... 12 Banks and Banking 1 2010-01-01 2010-01-01 false Authority. 3.1 Section 3.1 Banks and Banking COMPTROLLER OF THE CURRENCY, DEPARTMENT OF THE TREASURY MINIMUM CAPITAL RATIOS; ISSUANCE OF DIRECTIVES Authority and Definitions § 3.1 Authority. This part is issued under the authority of 12 U.S.C. 1 et seq...

Fireside corrosion and steamside oxidation of 9-12% Cr martensitic steels exposed for long term testing

DEFF Research Database (Denmark)

Montgomery, Melanie; Jensen, S. A.; Rasmussen, F.

2009-01-01

MoV121 and HCM12 for the 12% Cr steels. The test tubes were welded in as part of the existing final superheaters in actual plants and exposure has been conducted over a ten year period (1994-2005). Compared to the older steel types, T92 and HCM12 utilise tungsten to improve their creep strength. From......To obtain long term corrosion and steam oxidation data for the 9-12%Cr ferritic steels, test tube sections have been exposed in Amager 3 and Avedore 1 coal fired power plants in Denmark (formerly run by ENERGI E2). Thus direct comparisons can be made for T91 and T92 for the 9% Cr steels and X20Cr...... Avedore I testing, T91 and T92 can be compared for exposure times up to similar to 48 000 h exposure. From Amager 3 testing, X20, HCM12 and T92 were tested; T92 has been exposed for up to 31 000 h and X20 and HCM12 have had 84 500 h exposure. Tube sections were removed for various exposure durations...

IEC Information Bulletin, No. 44, Second Quarter 2013

Energy Technology Data Exchange (ETDEWEB)

NONE

2013-09-15

The latest publication in the IAEA Emergency Preparedness and Response (EPR)-series, Actions to Protect the Public in an Emergency due to Severe Conditions at a Light Water Reactor (EPR-NPP PUBLIC PROTECTIVE ACTIONS, 2013), was issued in May 2013. It is intended for those responsible for making and for acting on decisions in the event of an emergency involving actual or projected severe damage to the fuel in the reactor core or in the spent fuel pool of a light water reactor, to provide an understanding of the actions necessary to protect the public. It provides a basis for developing the tools and criteria at the preparedness stage that would be needed to take appropriate protective actions and other actions in response to an emergency. It provides guidance on: - Taking actions to protect the public based on conditions at the nuclear power plant using an emergency classification system; - Assessing environmental monitoring measurements taken after a release of radioactive material to determine if protective actions are needed; and - How to place the radiological health hazard in perspective for the public and answer key questions, such as ''Am I safe?'' and ''What do I need to do to protect myself and family?'' The publication is currently only available in English, but will soon be available in Spanish and Russian. The associated training materials will be available from the IAEA's and the Incident and Emergency Centre's websites later this year, and are also planned to be translated into other official UN languages. In addition, the IEC offers workshops on this publication at the national, regional and inter regional levels when requested by a Member State.

IEC Information Bulletin, No. 44, Second Quarter 2013

International Nuclear Information System (INIS)

2013-09-01

The latest publication in the IAEA Emergency Preparedness and Response (EPR)-series, Actions to Protect the Public in an Emergency due to Severe Conditions at a Light Water Reactor (EPR-NPP PUBLIC PROTECTIVE ACTIONS, 2013), was issued in May 2013. It is intended for those responsible for making and for acting on decisions in the event of an emergency involving actual or projected severe damage to the fuel in the reactor core or in the spent fuel pool of a light water reactor, to provide an understanding of the actions necessary to protect the public. It provides a basis for developing the tools and criteria at the preparedness stage that would be needed to take appropriate protective actions and other actions in response to an emergency. It provides guidance on: - Taking actions to protect the public based on conditions at the nuclear power plant using an emergency classification system; - Assessing environmental monitoring measurements taken after a release of radioactive material to determine if protective actions are needed; and - How to place the radiological health hazard in perspective for the public and answer key questions, such as ''Am I safe?'' and ''What do I need to do to protect myself and family?'' The publication is currently only available in English, but will soon be available in Spanish and Russian. The associated training materials will be available from the IAEA's and the Incident and Emergency Centre's websites later this year, and are also planned to be translated into other official UN languages. In addition, the IEC offers workshops on this publication at the national, regional and inter regional levels when requested by a Member State

Community-based IEC campaign. TFR has dropped to 2.15 in Binh Thanh District, Ho Chi Minh City.

Science.gov (United States)

Nguyen Ngoc Lich

1995-01-01

Binh Thanh District of Ho Chin Minh City in 1989 had a crude birth rate (CBR) of 20.3 per 1000 population and an average of 5.5 persons per household. The rate of total fertility (TFR) in the district was one of the highest among the city's 18 districts in 1990. Concerned about these demographics, the Binh Thanh District Committee for Population and Family Planning reviewed the family planning program with the goal of developing a special information, education, and communication (IEC) campaign. The following incentive scheme for sterilization was developed: each poor entrepreneur in need of seed money for new business ventures who allows himself to be sterilized receives dong 120,000 (US$11) from the National Committee for Population and Family Planning and dong 220,000 from the District Committee for Population and Family Planning to buy medicine and supplementary food. An IEC room was established in each commune health center to disseminate the relevant information. The results of the campaign have been positive, with 910 people requesting sterilization in 1994, 34% of whom were male. Over the period January-April 1995, the proportion of male sterilization increased dramatically, such that men accounted for 68% of the 153 people who underwent sterilization. The district now ranks the lowest among the 18 districts with regard to the percentage of couples with three children, the CBR is 15.3/1000, TFR is 2.15, the contraceptive prevalence rate is 68%, and sterilization is the fourth most popular method of contraception (13%) behind the IUD (37%), condom (30%), and oral pill (18.5%).

Experimental investigation of ultimate loads

Energy Technology Data Exchange (ETDEWEB)

Petersen, S M; Larsen, G C; Antoniou, I; Lind, S O; Courtney, M [Risoe National Lab., Wind Energy and Atmospheric Physics, Roskilde (Denmark)

1999-03-01

Verification of the structural integrity of a wind turbine involves analysis of fatigue loading as well as ultimate loading. With the trend of persistently growing turbines, the ultimate loading seems to become relatively more important. For wind turbines designed according to the wind conditions prescribed in the IEC-61400 code, the ultimate load is often identified as the leading load parameter. Exemplified by the use of an extensive measurement campaign a procedure for evaluation of the extreme flap-wise bending moments, occurring during normal operating of a wind turbine, is presented. The structural measurements are made on a NEG Micon 650 kW wind turbine erected at a complex high wind site in Oak Creek, California. The turbine is located on the top of a ridge. The prevailing wind direction is perpendicular to the ridge, and the annual mean wind speed is 9.5 m/s. The associated wind field measurement, are taken from two instrumented masts erected less than one rotor diameter in front of the turbine in direction of the prevailing wind direction. Both masts are instrumented at different heights in order to gain insight of the 3D-wind speed structure over the entire rotor plane. Extreme distributions, associated with a recurrence period of 10 minutes, conditioned on the mean wind speed and the turbulence intensity are derived. Combined with the wind climate model proposed in the IEC standard, these distributions are used to predict extreme distributions with recurrence periods equal to one and fifty years, respectively. The synthesis of the conditioned PDF`s and the wind climate model is performed by means of Monte Carlo simulation. (au)

75 FR 22746 - Third Party Testing for Certain Children's Products; Notice of Requirements for Accreditation of...

Science.gov (United States)

2010-04-30

... (ISO)/International Electrotechnical Commission (IEC) Standard 17025:2005, ``General Requirements for... and of the requirements of the ISO/IEC 17025:2005 laboratory accreditation standard is provided in the.../membersbycategory.html . The accreditation must be to ISO Standard ISO/IEC 17025:2005, ``General Requirements for...

Using the IEC Standard to Describe Low-Background Detectors-What Can You Expect?

International Nuclear Information System (INIS)

Ronald M. Keyser; Sanford Wagner

1998-01-01

The new International Electrotechnical Commission (IEC) standard for describing the background makes the specification of the background in a high-purity germanium (HPGe) detector simple, unambiguous, and related to how the detector will be used. Users and manufacturers will finally be speaking the same language on this subject. Because this standard extends the specification of the performance of an HPGe detector, there is little history available for comparison and thus no means of determining a ''good'' value. To develop a history, the background spectrum for 500 low-background HPGe ORTEC detectors were all counted in similar low-background shields. These detectors were in a variety of mechanical cryostat and endcap configurations. The continuum background is a function of energy and detector size/configuration. The peak area for the peak energies listed in the standard is a function of detector size and configuration. The results thus give practical guidance for obtaining the most appropriate low-background detector for a specific measurement problem

Test plan for the M-100 container, (model M-101/7A/12/90) docket 96-43-7A, type A container. Revision 1