WorldWideScience

Sample records for terminal diversifies cargo

  1. Shift designs for freight handling personnel at air cargo terminals

    DEFF Research Database (Denmark)

    Rong, Aiying; Grunow, Martin

    2009-01-01

    This paper presents an integrated mixed integer linear programming (MILP) model for determining manpower requirements and related personnel shift designs for the build-up and break-down of the unit load devices (ULDs) at the air cargo terminal to minimize manpower costs. To utilize the manpower...... resources efficiently, we implement a new mechanism for demand leveling. In addition, we consider the qualification hierarchy between build-up and break-down workers. A case study based on the real-life data shows that the model is useful for manpower planning at air cargo terminals and the integrated...

  2. Opportunity of Constructing a Cargo Terminal – Case Study Brașov International Airport, Romania

    Directory of Open Access Journals (Sweden)

    Gabriel BRĂTUCU

    2017-02-01

    Full Text Available Air transport and especially air cargo transport became ever more important during the last 25 years, with a signifi cant impact upon economic development. Air cargo transport supports regional economic development, provided there is suffi cient local demand for its services. In our study, we have identifi ed signifi cant elements of the impact a cargo terminal at the International Brașov-Ghimbav Airport would have upon local economic development. For this purpose, we have conducted a quantitative market research. We have reached the conclusion that constructing a cargo terminal at the Brașov-Ghimbav Airport is a necessary investment in the current economic context, with an important contribution to the economic development of its surrounding counties. The positive results registered in our study could contribute to improving the economic and fi nancial prospects of Brașov-Ghimbav Airport and attract investors in this project.

  3. Justification of the project a network of freight terminals unitized cargo

    Directory of Open Access Journals (Sweden)

    Ilesaliev D.I.

    2016-12-01

    Full Text Available In this paper we consider the question of Uzbekistan in promoting the development of international transport in supply chains. The development of transport infrastructure to ensure timely delivery of goods is one of the main tasks in supply chain management. The aim is to study of the project network terminal unitized cargo Uzbekistan in supply chains. Methods the study is based on analysis of existing methods and techniques of Russian scientists in the field of place-ment of objects. The method of searching the most rational location of logistics facility in the supply chain. Also pre-justified the project network terminal unitized cargo in Uzbekistan. Given the state of the problems and prospects of transport logistics of Uzbekistan, the developed method can be used by experts when performing the supporting calcula-tions location of logistic objects.

  4. Low cost, robust and real time system for detecting and tracking moving objects to automate cargo handling in port terminals

    NARCIS (Netherlands)

    Vaquero, V.; Repiso, E.; Sanfeliu, A.; Vissers, J.; Kwakkernaat, M.

    2016-01-01

    The presented paper addresses the problem of detecting and tracking moving objects for autonomous cargo handling in port terminals using a perception system which input data is a single layer laser scanner. A computationally low cost and robust Detection and Tracking Moving Objects (DATMO) algorithm

  5. The Cargo

    DEFF Research Database (Denmark)

    Birch, Thomas; Charlton, Michael F.; Biggs, Lynn

    2014-01-01

    The Gresham ship was carrying a substantial cargo of different metals when she sank, representing a considerable financial loss. Reports record that some of that material recovered in 1846 included 2700 tin ingots, lead pigs and iron bars (British Archaeological Association, 1847, 361......). The excavations in 2003–4 found a further three stamped lead ingots, five tin ingots and 42 iron bars from the hull area of the ship. The size of the original cargo remains unknown, though the estimated capacity of the ship, perhaps some 150 tons, provides an indication. In this chapter, the assemblage of lead...... and tin ingots and the bar iron will be described, the production processes established and the innovative analytical evidence for the provenance of the metals discussed. The research presented here suggests that lead ingots were from Derbyshire, the tin from Cornwall, but the bar iron seems...

  6. Wisconsin Air Cargo Study

    Science.gov (United States)

    2011-04-01

    Air cargo is a key economic lifeline for the communities that have airports. Manufacturers, businesses, hospitals and : other community cornerstone employers depend on air cargo to successfully operate. While there is no doubt that air : cargo repres...

  7. 29 CFR 1917.22 - Hazardous cargo 2 (See § 1917.2(p)).

    Science.gov (United States)

    2010-07-01

    ... 29 Labor 7 2010-07-01 2010-07-01 false Hazardous cargo 2 (See § 1917.2(p)). 1917.22 Section 1917..., DEPARTMENT OF LABOR (CONTINUED) MARINE TERMINALS Marine Terminal Operations § 1917.22 Hazardous cargo 2 (See... related to handling, storing and transportation of hazardous cargo (see 33 CFR part 126, 46 CFR, 49 CFR...

  8. 46 CFR 154.534 - Cargo pumps and cargo compressors.

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 5 2010-10-01 2010-10-01 false Cargo pumps and cargo compressors. 154.534 Section 154.534 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) CERTAIN BULK DANGEROUS CARGOES... Equipment Cargo and Process Piping Systems § 154.534 Cargo pumps and cargo compressors. Cargo pumps and...

  9. Air Cargo Marketing Development

    Science.gov (United States)

    Kersey, J. W.

    1972-01-01

    The factors involved in developing a market for air cargo services are discussed. A comparison is made between the passenger traffic problems and those of cargo traffic. Emphasis is placed on distribution analyses which isolates total distribution cost, including logistical costs such as transportation, inventory, materials handling, packaging, and processing. Specific examples of methods for reducing air cargo costs are presented.

  10. Multipurpose Cargo Transfer Bag

    Science.gov (United States)

    Broyan, James; Baccus, Shelley

    2014-01-01

    The Logistics Reduction (LR) project within the Advanced Exploration Systems (AES) program is tasked with reducing logistical mass and repurposing logistical items. Multipurpose Cargo Transfer Bags (MCTB) have been designed such that they can serve the same purpose as a Cargo Transfer Bag, the suitcase-shaped common logistics carrying bag for Shuttle and the International Space Station. After use as a cargo carrier, a regular CTB becomes trash, whereas the MCTB can be unzipped, unsnapped, and unfolded to be reused. Reuse ideas that have been investigated include partitions, crew quarters, solar radiation storm shelters, acoustic blankets, and forward osmosis water processing.

  11. Air Cargo Security

    Science.gov (United States)

    2007-07-30

    security identification display areas ( SIDAs ). This effectively elevates the required security measures for these cargo handling areas and requires...monitoring. Additional technologies, such as computer algorithms for highlighting potential threat objects, may also be considered to aid human observers

  12. Cargo Data Management Demonstration System

    Science.gov (United States)

    1974-02-01

    Delays in receipt and creation of cargo documents are a problem in international trade. The work described demonstrates some of the advantages and capabilities of a computer-based cargo data management system. A demonstration system for data manageme...

  13. Un contenu riche et diversifié

    Directory of Open Access Journals (Sweden)

    Esther Cloutier

    2010-05-01

    Full Text Available Bonjour,Nous sommes très heureux de vous convier à lire ce nouveau numéro de notre revue. Son contenu est riche et diversifié. Plusieurs thèmes sont abordés : la santé et la sécurité du travail dans les petites entreprises, l’autoévaluation du stress au travail, une démarche ergonomique de transformation du contexte d’intervention, les risques routiers professionnels des conducteurs de travaux, un outil de gestion du sommeil, ainsi que les facteurs socioculturels et TMS. En premier lieu, un a...

  14. A Diversified Investment Strategy Using Autonomous Agents

    Science.gov (United States)

    Barbosa, Rui Pedro; Belo, Orlando

    In a previously published article, we presented an architecture for implementing agents with the ability to trade autonomously in the Forex market. At the core of this architecture is an ensemble of classification and regression models that is used to predict the direction of the price of a currency pair. In this paper, we will describe a diversified investment strategy consisting of five agents which were implemented using that architecture. By simulating trades with 18 months of out-of-sample data, we will demonstrate that data mining models can produce profitable predictions, and that the trading risk can be diminished through investment diversification.

  15. Large Cargo Containers

    Science.gov (United States)

    1974-09-20

    FS ( ’ ’ \\ F4 f 1 NOTE: Fx , F2, F3, F^ - 15 Long Tons Minimum for ANSI MH 5.1.1. Figure 6, Externally...the various modes. The containerized cargo may be palletized or in unit loads. Existing facili- ties permit the makeup and simulation of most...on ramp. Loading dock on railcar truck/tractor Rail train makeup Switch engine Railway Loading dock to Forklift, MHE Ramp truck Loading dock to

  16. A role for cargo in Arf-dependent adaptor recruitment.

    Science.gov (United States)

    Caster, Amanda H; Sztul, Elizabeth; Kahn, Richard A

    2013-05-24

    Membrane traffic requires the specific concentration of protein cargos and exclusion of other proteins into nascent carriers. Critical components of this selectivity are the protein adaptors that bind to short, linear motifs in the cytoplasmic tails of transmembrane protein cargos and sequester them into nascent carriers. The recruitment of the adaptors is mediated by activated Arf GTPases, and the Arf-adaptor complexes mark sites of carrier formation. However, the nature of the signal(s) that initiates carrier biogenesis remains unknown. We examined the specificity and initial sites of recruitment of Arf-dependent adaptors (AP-1 and GGAs) in response to the Golgi or endosomal localization of specific cargo proteins (furin, mannose-6-phosphate receptor (M6PR), and M6PR lacking a C-terminal domain M6PRΔC). We find that cargo promotes the recruitment of specific adaptors, suggesting that it is part of an upstream signaling event. Cargos do not promote adaptor recruitment to all compartments in which they reside, and thus additional factors regulate the cargo's ability to promote Arf activation and adaptor recruitment. We document that within a given compartment different cargos recruit different adaptors, suggesting that there is little or no free, activated Arf at the membrane and that Arf activation is spatially and temporally coupled to the cargo and the adaptor. Using temperature block, brefeldin A, and recovery from each, we found that the cytoplasmic tail of M6PR causes the recruitment of AP-1 and GGAs to recycling endosomes and not at the Golgi, as predicted by steady state staining profiles. These results are discussed with respect to the generation of novel models for cargo-dependent regulation of membrane traffic.

  17. A Role for Cargo in Arf-dependent Adaptor Recruitment*

    Science.gov (United States)

    Caster, Amanda H.; Sztul, Elizabeth; Kahn, Richard A.

    2013-01-01

    Membrane traffic requires the specific concentration of protein cargos and exclusion of other proteins into nascent carriers. Critical components of this selectivity are the protein adaptors that bind to short, linear motifs in the cytoplasmic tails of transmembrane protein cargos and sequester them into nascent carriers. The recruitment of the adaptors is mediated by activated Arf GTPases, and the Arf-adaptor complexes mark sites of carrier formation. However, the nature of the signal(s) that initiates carrier biogenesis remains unknown. We examined the specificity and initial sites of recruitment of Arf-dependent adaptors (AP-1 and GGAs) in response to the Golgi or endosomal localization of specific cargo proteins (furin, mannose-6-phosphate receptor (M6PR), and M6PR lacking a C-terminal domain M6PRΔC). We find that cargo promotes the recruitment of specific adaptors, suggesting that it is part of an upstream signaling event. Cargos do not promote adaptor recruitment to all compartments in which they reside, and thus additional factors regulate the cargo's ability to promote Arf activation and adaptor recruitment. We document that within a given compartment different cargos recruit different adaptors, suggesting that there is little or no free, activated Arf at the membrane and that Arf activation is spatially and temporally coupled to the cargo and the adaptor. Using temperature block, brefeldin A, and recovery from each, we found that the cytoplasmic tail of M6PR causes the recruitment of AP-1 and GGAs to recycling endosomes and not at the Golgi, as predicted by steady state staining profiles. These results are discussed with respect to the generation of novel models for cargo-dependent regulation of membrane traffic. PMID:23572528

  18. 5 CFR 2634.404 - Qualified diversified trusts.

    Science.gov (United States)

    2010-01-01

    ... primary area of responsibility. If requested by the Director, the designated agency ethics official for... Section 2634.404 Administrative Personnel OFFICE OF GOVERNMENT ETHICS GOVERNMENT ETHICS EXECUTIVE BRANCH... Qualified diversified trusts. (a) Definition. A qualified diversified trust is any trust in which the filer...

  19. Diversified Research Methods Education in LIS: Thinking outside the Box

    Science.gov (United States)

    Luo, Lili

    2017-01-01

    A small number of LIS degree programs have adopted a diversified approach to research methods education, including offering an array of specialized research methods courses in addition to a general introductory course. The current study conducted an in-depth investigation of the diversified research methods curriculum of the LIS program at San…

  20. Cargo-cult training

    Science.gov (United States)

    Magueijo, João

    2009-12-01

    Richard Feynman, in one of his famous rants, evoked as a metaphor what he called "cargo-cult science". During the Second World War, the indigenous people of the South Pacific became accustomed to US Air Force planes landing on their islands, invariably bringing a profusion of desirable goods and tasty foods. When the war ended, they were distressed by the discontinuation of this popular service. So, they decided to take action. They cleared elongated patches of land to make them look like runways. They lit wood fires where they had seen electric floodlights guiding in the planes. They built a wooden shack and made a man sit inside with two halves of a coconut on each ear and bamboo bars sticking out like antennas: he was the "air controller". And they waited for the planes to return.

  1. Designer TGFβ superfamily ligands with diversified functionality.

    Directory of Open Access Journals (Sweden)

    George P Allendorph

    Full Text Available Transforming Growth Factor--beta (TGFβ superfamily ligands, including Activins, Growth and Differentiation Factors (GDFs, and Bone Morphogenetic Proteins (BMPs, are excellent targets for protein-based therapeutics because of their pervasiveness in numerous developmental and cellular processes. We developed a strategy termed RASCH (Random Assembly of Segmental Chimera and Heteromer, to engineer chemically-refoldable TGFβ superfamily ligands with unique signaling properties. One of these engineered ligands, AB208, created from Activin-βA and BMP-2 sequences, exhibits the refolding characteristics of BMP-2 while possessing Activin-like signaling attributes. Further, we find several additional ligands, AB204, AB211, and AB215, which initiate the intracellular Smad1-mediated signaling pathways more strongly than BMP-2 but show no sensitivity to the natural BMP antagonist Noggin unlike natural BMP-2. In another design, incorporation of a short N-terminal segment from BMP-2 was sufficient to enable chemical refolding of BMP-9, without which was never produced nor refolded. Our studies show that the RASCH strategy enables us to expand the functional repertoire of TGFβ superfamily ligands through development of novel chimeric TGFβ ligands with diverse biological and clinical values.

  2. Cargo recognition and cargo-mediated regulation of unconventional myosins.

    Science.gov (United States)

    Lu, Qing; Li, Jianchao; Zhang, Mingjie

    2014-10-21

    Organized motions are hallmarks of living organisms. Such motions range from collective cell movements during development and muscle contractions at the macroscopic scale all the way down to cellular cargo (e.g., various biomolecules and organelles) transportation and mechanoforce sensing at more microscopic scales. Energy required for these biological motions is almost invariably provided by cellular chemical fuels in the form of nucleotide triphosphate. Biological systems have designed a group of nanoscale engines, known as molecular motors, to convert cellular chemical fuels into mechanical energy. Molecular motors come in various forms including cytoskeleton motors (myosin, kinesin, and dynein), nucleic-acid-based motors, cellular membrane-based rotary motors, and so on. The main focus of this Account is one subfamily of actin filament-based motors called unconventional myosins (other than muscle myosin II, the remaining myosins are collectively referred to as unconventional myosins). In general, myosins can use ATP to fuel two types of mechanomotions: dynamic tethering actin filaments with various cellular compartments or structures and actin filament-based intracellular transport. In contrast to rich knowledge accumulated over many decades on ATP hydrolyzing motor heads and their interactions with actin filaments, how various myosins recognize their specific cargoes and whether and how cargoes can in return regulate functions of motors are less understood. Nonetheless, a series of biochemical and structural investigations in the past few years, including works from our own laboratory, begin to shed lights on these latter questions. Some myosins (e.g., myosin-VI) can function both as cellular transporters and as mechanical tethers. To function as a processive transporter, myosins need to form dimers or multimers. To be a mechanical tether, a monomeric myosin is sufficient. It has been shown for myosin-VI that its cellular cargo proteins can play critical roles

  3. 46 CFR 153.908 - Cargo viscosity and melting point information; measuring cargo temperature during discharge...

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 5 2010-10-01 2010-10-01 false Cargo viscosity and melting point information; measuring... Cargo viscosity and melting point information; measuring cargo temperature during discharge: Categories... lading, a written statement of the following: (1) For Category A or B NLS, the cargo's viscosity at 20 °C...

  4. 46 CFR 153.907 - Cargo information.

    Science.gov (United States)

    2010-10-01

    ... Information § 153.907 Cargo information. (a) The master shall ensure that the following information for each... process for the vessel. (b) The master shall make sure that the following information for cargoes other... of these two tables. (2) The name of the cargo prescribed in the letter authorizing carriage of the...

  5. Beginning the Program. Project DEEP (Diversified Educational Experiences Program).

    Science.gov (United States)

    Connett, Jane; And Others

    Project DEEP (Diversified Educational Experience Program) was developed to improve the behavior and attitudes of secondary students in schools where dropouts, absenteeism, and poor attitudes are existing problems. The open classroom with student involvement and participation in goal setting, presentation, and evaluation is the basic concept of…

  6. Public Access ICT across Cultures: Diversifying Participation in the ...

    International Development Research Centre (IDRC) Digital Library (Canada)

    Public Access ICT across Cultures: Diversifying Participation in the Network Society. Public Access ICT across Cultures book cover. Directeur(s) : Francisco J. Proenza. Maison(s) d'édition : MIT Press, IDRC. 1 juin 2015. ISBN : 9780262527378. 472 pages. e-ISBN : 9781552505694. Téléchargez le PDF · Téléchargez le ...

  7. Public Access ICT across Cultures: Diversifying Participation in the ...

    International Development Research Centre (IDRC) Digital Library (Canada)

    2015-06-01

    Jun 1, 2015 ... Public Access ICT across Cultures: Diversifying Participation in the Network Society. Public Access ICT across ... Jordan, Rwanda). The book documents the impacts of public access, positive and negative, on individuals, society and networks, and women, and examines the policy implications of findings.

  8. Container cargo simulation modeling for measuring impacts of infrastructure investment projects in Pearl River Delta

    Science.gov (United States)

    Li, Jia-Qi; Shibasaki, Ryuichi; Li, Bo-Wei

    2010-03-01

    In the Pearl River Delta (PRD), there is severe competition between container ports, particularly those in Hong Kong, Shenzhen, and Guangzhou, for collecting international maritime container cargo. In addition, the second phase of the Nansha terminal in Guangzhou’s port and the first phase of the Da Chang Bay container terminal in Shenzhen opened last year. Under these circumstances, there is an increasing need to quantitatively measure the impact these infrastructure investments have on regional cargo flows. The analysis should include the effects of container terminal construction, berth deepening, and access road construction. The authors have been developing a model for international cargo simulation (MICS) which can simulate the movement of cargo. The volume of origin-destination (OD) container cargo in the East Asian region was used as an input, in order to evaluate the effects of international freight transportation policies. This paper focuses on the PRD area and, by incorporating a more detailed network, evaluates the impact of several infrastructure investment projects on freight movement.

  9. 29 CFR 1917.23 - Hazardous atmospheres and substances (see also § 1917.2 Hazardous cargo, material, substance or...

    Science.gov (United States)

    2010-07-01

    ... 29 Labor 7 2010-07-01 2010-07-01 false Hazardous atmospheres and substances (see also § 1917.2 Hazardous cargo, material, substance or atmosphere). 1917.23 Section 1917.23 Labor Regulations Relating to... TERMINALS Marine Terminal Operations § 1917.23 Hazardous atmospheres and substances (see also § 1917.2...

  10. Quality of diversified value addition from some minor fruits

    OpenAIRE

    Chakraborty, Ivi; Chaurasiya, A. K.; Saha, J.

    2010-01-01

    Diversified value added products like palm spread, palm toffee, palm burfi, passion-mango blended squash, passion rind pickle, passion rind candy, blended jamun nectar and jack-passion spread from various minor fruits including palmyra palm (Borassus flabellifer L), passion fruit (Passiflora edulis Sims), jamun (Syzygium cumini Rom) and jackfruit (Artocarpus heterophyllus Lam) were developed and their quality assessed. Among these two products viz. passion-mango blended squash and palm spread...

  11. 9 CFR 3.117 - Terminal facilities.

    Science.gov (United States)

    2010-01-01

    ... must not commingle marine mammal shipments with inanimate cargo. All animal holding areas of a terminal... containing marine mammals when the air temperature within such animal holding area is 23.9 °C (75 °F) or higher. The air temperature around any marine mammal in any animal holding area must not be allowed to...

  12. A DIVERSIFIED DEEP BELIEF NETWORK FOR HYPERSPECTRAL IMAGE CLASSIFICATION

    Directory of Open Access Journals (Sweden)

    P. Zhong

    2016-06-01

    Full Text Available In recent years, researches in remote sensing demonstrated that deep architectures with multiple layers can potentially extract abstract and invariant features for better hyperspectral image classification. Since the usual real-world hyperspectral image classification task cannot provide enough training samples for a supervised deep model, such as convolutional neural networks (CNNs, this work turns to investigate the deep belief networks (DBNs, which allow unsupervised training. The DBN trained over limited training samples usually has many “dead” (never responding or “potential over-tolerant” (always responding latent factors (neurons, which decrease the DBN’s description ability and thus finally decrease the hyperspectral image classification performance. This work proposes a new diversified DBN through introducing a diversity promoting prior over the latent factors during the DBN pre-training and fine-tuning procedures. The diversity promoting prior in the training procedures will encourage the latent factors to be uncorrelated, such that each latent factor focuses on modelling unique information, and all factors will be summed up to capture a large proportion of information and thus increase description ability and classification performance of the diversified DBNs. The proposed method was evaluated over the well-known real-world hyperspectral image dataset. The experiments demonstrate that the diversified DBNs can obtain much better results than original DBNs and comparable or even better performances compared with other recent hyperspectral image classification methods.

  13. Structural and economic dynamics in diversified Italian farms

    Directory of Open Access Journals (Sweden)

    Cristina Salvioni

    2013-12-01

    Full Text Available Objective of this work is to investigate the structural change and economic dynamics of farms pursuing diversification and differentiation strategies in Italy. The analysis was performed on a panel of data built on the basis of information collected by the Italian FADN between 2003-2009. For the purpose of the analysis, we divided the population of commercial Italian farms into a five-fold farm typology based on size and the extent of diversification and differentiation strategies adopted by the farms. In detail, farms are defined as differentiated when they make use of a system of quality certification, while they are defined as diversified when they take up non farming activities (agritourism, social farms etc.. The findings show that conventional farms remain by far the largest category within the population of Italian commercial farms, while only 13% of the total commercial farms are classified as differentiated and/or diversified. Farms adopting product differentiation strategies are found to have an income growth path similar to that of conventional farms. Yet the category of diversified farms is the only one showing an upward trend with regard to income per worker in the observed years, while farms relying entirely on agricultural products appear to perform poorly in terms of labour productivity.

  14. Characterizing Density and Complexity of Imported Cargos

    Energy Technology Data Exchange (ETDEWEB)

    Birrer, Nathaniel [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Divin, Charles [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Glenn, Steven [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Martz, Harry [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)

    2017-08-01

    X-ray inspection systems are used to detect radiological and nuclear threats in imported cargo. In order to better understand performance of these systems, system imaging capabilities and the characteristics of imported cargo need to be determined. This project involved calculation of the modulation transfer function as a metric of system imaging performance and a study of the density and inhomogeneity of imported cargos, which have been shown to correlate with human analysts, threat detection performance.

  15. The success of the diversified farm - resource-based view

    Directory of Open Access Journals (Sweden)

    L. RANTAMÄKI-LAHTINEN

    2008-12-01

    Full Text Available Farms and rural areas have many specific valuable resources that can be used to create non-agricultural products and services. Most of the research regarding on-farm diversification has hitherto concentrated on business start-up or farm survival strategies. Resource allocation and also financial success have not been the primary focus of investigations as yet. In this study these specific topics were investigated i.e. resource allocation and also the financial success of diversified farms from a farm management perspective. The key question addressed in this dissertation, is how tangible and intangible resources of the diversified farm affect the financial success. This study’s theoretical ackground deals with resource-based theory, and also certain themes of the theory of learning organisation and other decision-making theories. Two datasets were utilised in this study. First, data were collected by postal survey in 2001 (n = 663. Second, data were collected in a follow-up survey in 2006 (n = 439. Data were analysed using multivariate data analyses and path analyses. The study results reveal that, diversified farms performed differently. Success and resources were linked. Professional and management skills affected other resources, and hence directly or indirectly influenced success per se. In the light of empirical analyses of this study, tangible and intangible resources owned by the diversified farm impacted on its financial success. The findings of this study underline the importance of skills and networks for entrepreneur(s. Practically speaking all respondents of this study used either agricultural resources for non-farm businesses or non-farm resources for agricultural enterprises. To share resources in this way was seen as a pragmatic opportunity recognised by farmers. One of the downsides of diversification might be the phenomenon of over-diversification, which can be defined as the situation in which a farm diversifies beyond its

  16. Understanding X-ray cargo imaging

    International Nuclear Information System (INIS)

    Chen Gongyin

    2005-01-01

    Cargo imaging is the field of imaging large objects, usually cargo containers, trains, trucks or boats. Transmission imaging with photons, especially X-rays of up to 9 MV is the dominant current technique, providing compelling details of the contents of objects this large. This paper discusses the physics aspects of a good X-ray cargo imaging system. The basic performance requirements, such as penetration, contrast and resolution and the components of a cargo imaging system are introduced. The imaging process is divided in this paper into three stages: forming information (probing the object), recording information and presenting information (image display). Their impact on performance is analyzed

  17. 46 CFR 64.89 - Cargo pump unit.

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 2 2010-10-01 2010-10-01 false Cargo pump unit. 64.89 Section 64.89 Shipping COAST... HANDLING SYSTEMS Cargo Handling System § 64.89 Cargo pump unit. (a) A cargo pump unit that fills or...) The cargo pump power unit must be— (1) Diesel; (2) Hydraulic; (3) Pneumatic; or (4) Electric. (c) The...

  18. 46 CFR 154.554 - Cargo hose: Bursting pressure.

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 5 2010-10-01 2010-10-01 false Cargo hose: Bursting pressure. 154.554 Section 154.554... Hose § 154.554 Cargo hose: Bursting pressure. Cargo hose that may be exposed to the pressure in the cargo tank, the cargo pump discharge, or the vapor compressor discharge must have a bursting pressure of...

  19. 33 CFR 105.265 - Security measures for handling cargo.

    Science.gov (United States)

    2010-07-01

    ... SECURITY MARITIME SECURITY MARITIME SECURITY: FACILITIES Facility Security Requirements § 105.265 Security... to do so, routinely check cargo, cargo transport units, and cargo storage areas within the facility..., containers, or other cargo transport units entering the facility match the delivery note or equivalent cargo...

  20. 46 CFR 154.235 - Cargo tank location.

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 5 2010-10-01 2010-10-01 false Cargo tank location. 154.235 Section 154.235 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) CERTAIN BULK DANGEROUS CARGOES SAFETY STANDARDS... Survival Capability and Cargo Tank Location § 154.235 Cargo tank location. (a) For type IG hulls, cargo...

  1. 19 CFR 149.4 - Bulk and break bulk cargo.

    Science.gov (United States)

    2010-04-01

    ... 19 Customs Duties 2 2010-04-01 2010-04-01 false Bulk and break bulk cargo. 149.4 Section 149.4... TREASURY (CONTINUED) IMPORTER SECURITY FILING § 149.4 Bulk and break bulk cargo. (a) Bulk cargo exempted.... (b) Break bulk cargo exempted from time requirement. For break bulk cargo that is exempt from the...

  2. Decentralizing conservation and diversifying livelihoods within Kanchenjunga Conservation Area, Nepal.

    Science.gov (United States)

    Parker, Pete; Thapa, Brijesh; Jacob, Aerin

    2015-12-01

    To alleviate poverty and enhance conservation in resource dependent communities, managers must identify existing livelihood strategies and the associated factors that impede household access to livelihood assets. Researchers increasingly advocate reallocating management power from exclusionary central institutions to a decentralized system of management based on local and inclusive participation. However, it is yet to be shown if decentralizing conservation leads to diversified livelihoods within a protected area. The purpose of this study was to identify and assess factors affecting household livelihood diversification within Nepal's Kanchenjunga Conservation Area Project, the first protected area in Asia to decentralize conservation. We randomly surveyed 25% of Kanchenjunga households to assess household socioeconomic and demographic characteristics and access to livelihood assets. We used a cluster analysis with the ten most common income generating activities (both on- and off-farm) to group the strategies households use to diversify livelihoods, and a multinomial logistic regression to identify predictors of livelihood diversification. We found four distinct groups of household livelihood strategies with a range of diversification that directly corresponded to household income. The predictors of livelihood diversification were more related to pre-existing socioeconomic and demographic factors (e.g., more landholdings and livestock, fewer dependents, receiving remittances) than activities sponsored by decentralizing conservation (e.g., microcredit, training, education, interaction with project staff). Taken together, our findings indicate that without direct policies to target marginalized groups, decentralized conservation in Kanchenjunga will continue to exclude marginalized groups, limiting a household's ability to diversify their livelihood and perpetuating their dependence on natural resources. Copyright © 2015 Elsevier Ltd. All rights reserved.

  3. 46 CFR 154.1810 - Cargo manual.

    Science.gov (United States)

    2010-10-01

    ... with inert gas and air. (13) A description of hull and cargo tank temperature monitoring systems. (14... vaporization system. (v) Gas main system. (vi) Cargo tank or compressor relief system and blocked liquid or gas relief system. (vii) Inerting system. (viii) Boil-off gas compressor or reliquefaction system. (ix) Gas...

  4. Unmanned Cargo Aircraft : From Anywhere to Everywhere

    NARCIS (Netherlands)

    Heerkens, Hans

    2017-01-01

    While unmanned aircraft have been in use for decades, their suitability for transporting cargo is only now slowly being recognised. The first prototypes of unmanned cargo aircraft (UCA) are currently being tested. There are two categories of UCA: short-distance aircraft for delivering packages and

  5. 78 FR 68784 - Cargo Securing Manuals

    Science.gov (United States)

    2013-11-15

    ... mitigate the consequences of vessel cargo loss. This rulemaking promotes the Coast Guard's maritime safety... Transportation's Maritime Administration MSC Maritime Safety Committee MISLE Marine Information for Safety and... History Improperly secured maritime cargo threatens the safety of life, property, and the environment...

  6. 76 FR 51847 - Air Cargo Screening

    Science.gov (United States)

    2011-08-18

    ... Chain Management Professionals, Express Delivery and Logistics Association, International Air Transport... diverse needs of the air cargo supply chain. TSA Response: The 9/11 Act required the Secretary of Homeland... allows industry participants to conduct screening at stages earlier within the cargo supply chain and off...

  7. 46 CFR 153.285 - Valving for cargo pump manifolds.

    Science.gov (United States)

    2010-10-01

    ... SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS Design and Equipment Piping Systems and Cargo Handling Equipment § 153.285 Valving for cargo pump manifolds. (a) When cargo...

  8. 46 CFR 153.282 - Cargo filling lines.

    Science.gov (United States)

    2010-10-01

    ... BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS Design and Equipment Piping Systems and Cargo Handling Equipment § 153.282 Cargo filling lines. The discharge point of a cargo tank...

  9. 46 CFR 153.316 - Special cargo pumproom ventilation rate.

    Science.gov (United States)

    2010-10-01

    ... CARGOES SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS Design and Equipment Cargo Handling Space Ventilation § 153.316 Special cargo pumproom ventilation rate. When Table 1...

  10. Cargo-mix optimization in Liner Shipping

    DEFF Research Database (Denmark)

    Christensen, Jonas Mark; Pacino, Dario; Fonseca, Joao Filipe Paiva

    ’ utilization.The more containers a vessel carries the smaller is the resulting CO2 emissions per transported tonof cargo. This is what can be seen as a win-win situation. Better vessel utilization will result bothin cleaner transport and in better revenue margins for the shippers. Focus on vessel intake...... maximization is old news for liner shippers. Container vessels are deliveredwith a nominal capacity that ship owners know is only theoretical. Unless the cargo weightdistribution is perfect, the nominal intake cannot be reached. Stowage coordinators fight this battleeveryday. They are the planners of the cargo...... and have to find a load configuration (stowage plan)that both suits the current cargo to be loaded but also guarantees that the vessel can be utilizedto its maximum in future ports. The size of nowadays vessels is, however, making this work harderand harder (Pacino et al. (2011)). Moreover, the cargo...

  11. Safety of Cargo Aircraft Handling Procedure

    Directory of Open Access Journals (Sweden)

    Daniel Hlavatý

    2017-07-01

    Full Text Available The aim of this paper is to get acquainted with the ways how to improve the safety management system during cargo aircraft handling. The first chapter is dedicated to general information about air cargo transportation. This includes the history or types of cargo aircraft handling, but also the means of handling. The second part is focused on detailed description of cargo aircraft handling, including a description of activities that are performed before and after handling. The following part of this paper covers a theoretical interpretation of safety, safety indicators and legislative provisions related to the safety of cargo aircraft handling. The fourth part of this paper analyzes the fault trees of events which might occur during handling. The factors found by this analysis are compared with safety reports of FedEx. Based on the comparison, there is a proposal on how to improve the safety management in this transportation company.

  12. 29 CFR 1917.50 - Certification of marine terminal material handling devices (See also mandatory appendix I, of...

    Science.gov (United States)

    2010-07-01

    ... 29 Labor 7 2010-07-01 2010-07-01 false Certification of marine terminal material handling devices... TERMINALS Cargo Handling Gear and Equipment § 1917.50 Certification of marine terminal material handling... Secretary. (c) The marine terminal material handling devices listed below shall be certificated in the...

  13. Simulation for assessment of bulk cargo berths number

    Science.gov (United States)

    Kuznetsov, A. L.; Kirichenko, A. V.; Slitsan, A. E.

    2017-10-01

    The world trade volumes of mineral resources have been growing constantly for decades, notwithstanding any economical crises. At the same time, the proximity of the bulk materials as products to the starting point of the integrated value added or logistic supply chain makes their unit price relatively low. This fact automatically causes a strong economic sensitivity of the supply chain to the level of operational expenses in every link. The core of the integrated logistic supply chain is its maritime segment, with the fleet and terminals (i.e. the cargo transportation system) serving as the base platform for it. In its turn, the terminal berths play a role of the interface between the fleet and the land-transportation sub-system. Current development of the maritime transportation technologies, ships and terminal specialization, vessel size growth, rationalization of route patterns, regionalization of trade etc., has made conventional calculation methods inadequate. The solution of the problem is in using object oriented simulation. At the same time, this approch usually assumes only ad hoc models. Thus, it does not provide the generality of its conventional analytical predecessors. The time and labor consumpting procedure of simulation results in a very narrow application domain of the model. This article describes a new simulation instrument, combining the generality of the analytical technoques with the efficiency of the object-oriented simulation. The approach implemented as a software module, which validity and adequacy are proved. The software was tested on several sea terminal design projects and confirmed its efficiency.

  14. Modeling of tanker movement at the oil terminal in the high seas at crosshair management

    Directory of Open Access Journals (Sweden)

    Petrov S.O.

    2015-03-01

    Full Text Available The process of modeling of tanker movement during cargo operations at the oil terminal in the high seas has been considered. An innovative method of crosshair management has been used

  15. Characterizing the composition of molecular motors on moving axonal cargo using "cargo mapping" analysis.

    Science.gov (United States)

    Neumann, Sylvia; Campbell, George E; Szpankowski, Lukasz; Goldstein, Lawrence S B; Encalada, Sandra E

    2014-10-30

    Understanding the mechanisms by which molecular motors coordinate their activities to transport vesicular cargoes within neurons requires the quantitative analysis of motor/cargo associations at the single vesicle level. The goal of this protocol is to use quantitative fluorescence microscopy to correlate ("map") the position and directionality of movement of live cargo to the composition and relative amounts of motors associated with the same cargo. "Cargo mapping" consists of live imaging of fluorescently labeled cargoes moving in axons cultured on microfluidic devices, followed by chemical fixation during recording of live movement, and subsequent immunofluorescence (IF) staining of the exact same axonal regions with antibodies against motors. Colocalization between cargoes and their associated motors is assessed by assigning sub-pixel position coordinates to motor and cargo channels, by fitting Gaussian functions to the diffraction-limited point spread functions representing individual fluorescent point sources. Fixed cargo and motor images are subsequently superimposed to plots of cargo movement, to "map" them to their tracked trajectories. The strength of this protocol is the combination of live and IF data to record both the transport of vesicular cargoes in live cells and to determine the motors associated to these exact same vesicles. This technique overcomes previous challenges that use biochemical methods to determine the average motor composition of purified heterogeneous bulk vesicle populations, as these methods do not reveal compositions on single moving cargoes. Furthermore, this protocol can be adapted for the analysis of other transport and/or trafficking pathways in other cell types to correlate the movement of individual intracellular structures with their protein composition. Limitations of this protocol are the relatively low throughput due to low transfection efficiencies of cultured primary neurons and a limited field of view available for

  16. In vivo genome editing thrives with diversified CRISPR technologies

    Directory of Open Access Journals (Sweden)

    Xun Ma

    2018-03-01

    Full Text Available Prokaryotic type II adaptive immune systems have been developed into the versatile CRISPR technology, which has been widely applied in site-specific genome editing and has revolutionized biomedical research due to its superior efficiency and flexibility. Recent studies have greatly diversified CRISPR technologies by coupling it with various DNA repair mechanisms and targeting strategies. These new advances have significantly expanded the generation of genetically modified animal models, either by including species in which targeted genetic modification could not be achieved previously, or through introducing complex genetic modifications that take multiple steps and cost years to achieve using traditional methods. Herein, we review the recent developments and applications of CRISPR-based technology in generating various animal models, and discuss the everlasting impact of this new progress on biomedical research.

  17. Diversified microbiota of meconium is affected by maternal diabetes status.

    Directory of Open Access Journals (Sweden)

    Jianzhong Hu

    Full Text Available This study was aimed to assess the diversity of the meconium microbiome and determine if the bacterial community is affected by maternal diabetes status.The first intestinal discharge (meconium was collected from 23 newborns stratified by maternal diabetes status: 4 mothers had pre-gestational type 2 diabetes mellitus (DM including one mother with dizygotic twins, 5 developed gestational diabetes mellitus (GDM and 13 had no diabetes. The meconium microbiome was profiled using multi-barcode 16S rRNA sequencing followed by taxonomic assignment and diversity analysis.All meconium samples were not sterile and contained diversified microbiota. Compared with adult feces, the meconium showed a lower species diversity, higher sample-to-sample variation, and enrichment of Proteobacteria and reduction of Bacteroidetes. Among the meconium samples, the taxonomy analyses suggested that the overall bacterial content significantly differed by maternal diabetes status, with the microbiome of the DM group showing higher alpha-diversity than that of no-diabetes or GDM groups. No global difference was found between babies delivered vaginally versus via Cesarean-section. Regression analysis showed that the most robust predictor for the meconium microbiota composition was the maternal diabetes status that preceded pregnancy. Specifically, Bacteroidetes (phyla and Parabacteriodes (genus were enriched in the meconium in the DM group compared to the no-diabetes group.Our study provides evidence that meconium contains diversified microbiota and is not affected by the mode of delivery. It also suggests that the meconium microbiome of infants born to mothers with DM is enriched for the same bacterial taxa as those reported in the fecal microbiome of adult DM patients.

  18. Design of heavy lift cargo aircraft

    Data.gov (United States)

    National Aeronautics and Space Administration — This is the bird of the skies of the future. The heavy lift cargo aircraft which is currently being developed by me has twice the payload capacity of an Antonov...

  19. Molecular Signatures Underlying Synaptic Vesicle Cargo Retrieval

    Science.gov (United States)

    Mori, Yasunori; Takamori, Shigeo

    2018-01-01

    Efficient retrieval of the synaptic vesicle (SV) membrane from the presynaptic plasma membrane, a process called endocytosis, is crucial for the fidelity of neurotransmission, particularly during sustained neural activity. Although multiple modes of endocytosis have been identified, it is clear that the efficient retrieval of the major SV cargos into newly formed SVs during any of these modes is fundamental for synaptic transmission. It is currently believed that SVs are eventually reformed via a clathrin-dependent pathway. Various adaptor proteins recognize SV cargos and link them to clathrin, ensuring the efficient retrieval of the cargos into newly formed SVs. Here, we summarize our current knowledge of the molecular signatures within individual SV cargos that underlie efficient retrieval into SV membranes, as well as discuss possible contributions of the mechanisms under physiological conditions. PMID:29379416

  20. Military Airlift: The Joint Cargo Aircraft Program

    National Research Council Canada - National Science Library

    Knight, William

    2007-01-01

    Joint Cargo Aircraft (JCA) is a joint acquisition program between the Army and the Air Force designed to procure a commercial off-the-shelf aircraft, capable of meeting Army requirements for "direct support" to maneuver units...

  1. Military Airlift: The Joint Cargo Aircraft Program

    National Research Council Canada - National Science Library

    Hess, Allan

    2008-01-01

    Joint Cargo Aircraft (JCA) is a joint acquisition program between the Army and Air Force intended to procure a commercial off-the-shelf aircraft capable of meeting Army and Air Force requirements for intra-theater airlift...

  2. 76 FR 53080 - Air Cargo Screening; Correction

    Science.gov (United States)

    2011-08-25

    ...: Transportation Security Administration, DHS. ACTION: Final rule; request for comments; correction. SUMMARY: The Transportation Security Administration (TSA) is correcting the Air Cargo Screening final rule published in the... DEPARTMENT OF HOMELAND SECURITY Transportation Security Administration 49 CFR Parts 1515, 1520...

  3. System for inspection of stacked cargo containers

    Science.gov (United States)

    Derenzo, Stephen [Pinole, CA

    2011-08-16

    The present invention relates to a system for inspection of stacked cargo containers. One embodiment of the invention generally comprises a plurality of stacked cargo containers arranged in rows or tiers, each container having a top, a bottom a first side, a second side, a front end, and a back end; a plurality of spacers arranged in rows or tiers; one or more mobile inspection devices for inspecting the cargo containers, wherein the one or more inspection devices are removeably disposed within the spacers, the inspection means configured to move through the spacers to detect radiation within the containers. The invented system can also be configured to inspect the cargo containers for a variety of other potentially hazardous materials including but not limited to explosive and chemical threats.

  4. Linking molecular motors to membrane cargo.

    Science.gov (United States)

    Akhmanova, Anna; Hammer, John A

    2010-08-01

    Three types of motors, myosins, kinesins, and cytoplasmic dynein, cooperate to transport intracellular membrane organelles. Transport of each cargo is determined by recruitment of specific sets of motors and their regulation. Targeting of motors to membranes often depends on the formation of large multiprotein assemblies and can be influenced by membrane lipid composition. Motor activity can be regulated by cargo-induced conformational changes such as unfolding or dimerization. The architecture and function of motor: cargo complexes can also be controlled by phosphorylation, calcium signaling, and proteolysis. The complexity of transport systems is further increased by mechanical and functional cross-talk between different types of motors on the same cargo and by participation of the same motor in the movement of different organelles. Copyright 2010 Elsevier Ltd. All rights reserved.

  5. 46 CFR 154.412 - Cargo tank corrosion allowance.

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 5 2010-10-01 2010-10-01 false Cargo tank corrosion allowance. 154.412 Section 154.412... Containment Systems § 154.412 Cargo tank corrosion allowance. A cargo tank must be designed with a corrosion...) carries a cargo that corrodes the tank material. Note: Corrosion allowance for independent tank type C is...

  6. 46 CFR 151.13-5 - Cargo segregation-tanks.

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 5 2010-10-01 2010-10-01 false Cargo segregation-tanks. 151.13-5 Section 151.13-5... CARRYING BULK LIQUID HAZARDOUS MATERIAL CARGOES Cargo Segregation § 151.13-5 Cargo segregation—tanks. (a... and list the various degrees of segregation required. Paragraphs and (2) of this section explain the...

  7. 46 CFR 153.333 - Cargo pump discharge pressure gauge.

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 5 2010-10-01 2010-10-01 false Cargo pump discharge pressure gauge. 153.333 Section 153... Cargo Pumprooms § 153.333 Cargo pump discharge pressure gauge. Each cargo pump within a pump-room must have a discharge pressure gauge outside the pumproom. ...

  8. 46 CFR 98.30-11 - Cargo pumps.

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 4 2010-10-01 2010-10-01 false Cargo pumps. 98.30-11 Section 98.30-11 Shipping COAST..., ARRANGEMENT, AND OTHER PROVISIONS FOR CERTAIN DANGEROUS CARGOES IN BULK Portable Tanks § 98.30-11 Cargo pumps. No person may operate a cargo pump to transfer a product to or from a portable tank unless the pump...

  9. 46 CFR 154.195 - Aluminum cargo tank: Steel enclosure.

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 5 2010-10-01 2010-10-01 false Aluminum cargo tank: Steel enclosure. 154.195 Section... Equipment Hull Structure § 154.195 Aluminum cargo tank: Steel enclosure. (a) An aluminum cargo tank and its... the aluminum cargo tank must meet the steel structural standards of the American Bureau of Shipping...

  10. 29 CFR 1918.87 - Ship's cargo elevators.

    Science.gov (United States)

    2010-07-01

    ... 29 Labor 7 2010-07-01 2010-07-01 false Ship's cargo elevators. 1918.87 Section 1918.87 Labor... (CONTINUED) SAFETY AND HEALTH REGULATIONS FOR LONGSHORING Handling Cargo § 1918.87 Ship's cargo elevators. (a) Safe working load. The safe working loads of ship's cargo elevators shall be determined and followed...

  11. 46 CFR 153.977 - Supervision of cargo transfer.

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 5 2010-10-01 2010-10-01 false Supervision of cargo transfer. 153.977 Section 153.977 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) CERTAIN BULK DANGEROUS CARGOES SHIPS... Procedures § 153.977 Supervision of cargo transfer. The person in charge of cargo transfer shall: (a...

  12. Linking molecular motors to membrane cargo

    OpenAIRE

    Akhmanova, Anna; Hammer, John A.

    2010-01-01

    Three types of motors, myosins, kinesins and cytoplasmic dynein, cooperate to transport intracellular membrane organelles. Transport of each cargo is determined by recruitment of specific sets of motors and their regulation. Targeting of motors to membranes often depends on the formation of large multiprotein assemblies and can be influenced by membrane lipid composition. Motor activity can be regulated by cargo-induced conformational changes such as unfolding or dimerization. The architectur...

  13. Specialization and Flexibility in Port Cargo Handling

    Directory of Open Access Journals (Sweden)

    Hakkı KİŞİ

    2016-11-01

    Full Text Available Cargo handling appears to be the fundamental function of ports. In this context, the question of type of equipment and capacity rate need to be tackled with respect to cargo handling principles. The purpose of this study is to discuss the types of equipment to be used in ports, relating the matter to costs and capacity. The question is studied with a basic economic theoretical approach. Various conditions like port location, size, resources, cargo traffic, ships, etc. are given parameters to dictate the type and specification of the cargo handling equipment. Besides, a simple approach in the context of cost capacity relation can be useful in deciding whether to use specialized or flexible equipment. Port equipment is sometimes expected to be flexible to handle various types of cargo as many as possible and sometimes to be specialized to handle one specific type of cargo. The cases that might be suitable for those alternatives are discussed from an economic point of view in this article. Consequently, effectiveness and efficiency criteria play important roles in determining the handling equipment in ports.

  14. Cargo Loading and Unloading Efficiency Analysis in Multimodal Transport

    Directory of Open Access Journals (Sweden)

    Rafał Burdzik

    2014-08-01

    Full Text Available The paper presents assessment of the impact of the processes handling efficiency on the transport process based on research done in the real object, using same technologies and material handling equipment. The aim of the paper was to confirm importance of loading and unloading processes of palletized cargo as an initial and final link of multimodal transport by developing methods’ proposal for monitoring and assessing the effectiveness of cargo operations as well as development of measures and comparison estimators. The analysis of the manipulation operations’ duration throughout the transport process is based on the percentile rates of manipulation and carriage in total transport process duration and the percentage of manipulating time in the duration of the carriage. These indicators and examined loading and unloading times, are the basis for the development of scheduling algorithms for optimizing transport processes on the scale of the whole transport chain. This data is also a helpful input to support strategic decisions on the allocation of financial resources for the development of infrastructure and terminal equipment, warehouses and other facilities.

  15. Characterizing X-ray Attenuation of Containerized Cargo

    Energy Technology Data Exchange (ETDEWEB)

    Birrer, N. [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Divin, C. [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Glenn, S. [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Martz, H. [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Wang, G. [Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)

    2016-08-02

    X-ray inspection systems can be used to detect radiological and nuclear threats in imported cargo. In order to better understand performance of these systems, the attenuation characteristics of imported cargo need to be determined. This project focused on developing image processing algorithms for segmenting cargo and using x-ray attenuation to quantify equivalent steel thickness to determine cargo density. These algorithms were applied to over 450 cargo radiographs. The results are summarized in this report.

  16. Indirect estimation of radioactivity in containerized cargo

    International Nuclear Information System (INIS)

    Jarman, K.D.; Scherrer, C.; Smith, L.E.; Chilton, L.K.; Anderson, K.K.; Ressler, J.J.; Trease, L.L.

    2011-01-01

    Naturally occurring radioactive material in containerized cargo challenges the state of the art in national and international efforts to detect illicit nuclear and radiological material in transported containers. Current systems are being evaluated and new systems envisioned to provide the high probability of detection necessary to thwart potential threats, combined with extremely low nuisance and false alarm rates necessary to maintain the flow of commerce impacted by the enormous volume of commodities imported in shipping containers. Maintaining flow of commerce also means that inspection must be rapid, requiring relatively non-intrusive, indirect measurements of cargo from outside containers to the extent possible. With increasing information content in such measurements, it is natural to ask how the information might be combined to improve detection. Toward this end, we present an approach to estimating isotopic activity of naturally occurring radioactive material in cargo grouped by commodity type, combining container manifest data with radiography and gamma-ray spectroscopy aligned to location along the container. The heart of this approach is our statistical model of gamma-ray counts within peak regions of interest, which captures the effects of background suppression, counting noise, convolution of neighboring cargo contributions, and down-scattered photons to provide estimates of counts due to decay of specific radioisotopes in cargo alone. Coupled to that model, we use a mechanistic model of self-attenuated radiation flux to estimate the isotopic activity within cargo, segmented by location within each container, that produces those counts. We test our approach by applying it to a set of measurements taken at the Port of Seattle in 2006. This approach to synthesizing disparate available data streams and extraction of cargo characteristics, while relying on several simplifying assumptions and approximations, holds the potential to support improvement of

  17. Government takes decline as nations diversify terms to attract investment

    International Nuclear Information System (INIS)

    Meurs, A.P. van; Seck, A.

    1997-01-01

    A new review of 324 fiscal systems in 159 countries indicates that the trend of declines in government take has continued during the last 2 years. An earlier OGJ article concluded that government take had declined considerably during the previous decade in response to an increased availability of acreage. The fiscal system rating is based on eight economic yardsticks. They are: rate of return; net present value per barrel; ability to absorb geological risk; attractiveness of incremental exploration investments; attractiveness of incremental development investments; government take; bonanza economics; and the degree of front-end loading of the fiscal system. Based on these criteria the fiscal systems are rated, based on a point system, from the most attractive (five star) terms to the least attractive (one star). Table 1 provides an overview of the rating and ranking of 50 of the most interesting fiscal systems. Figure 1 provides the government take and corporate take for the systems listed in Table 1, based on a weighted average of 12 fields. The paper discusses attractive, tough, and diversifying terms, and regional competition

  18. Embracing a diversified future for US primary care.

    Science.gov (United States)

    Hoff, Timothy

    2013-01-01

    Although less focused upon given the current emphasis on the patient-centered medical home innovation, the future for US primary care is arguably one that will be characterized by diversity in service delivery structures and personnel. The drivers of this diversity include increased patient demand requiring a larger number of primary care access points; the need for lower-cost delivery structures that can flourish in a low-margin business model; greater interest in primary care delivery by retailers and hospitals that see their involvement as a means to enhance their core business goals; the increased desire by non-physician providers to gain work independence; and a growing cadre of younger PCPs whose career and job preferences leave them open to working in a variety of different settings and structures. A key issue to ask of a more diversified primary care system is whether or not it will be characterized by competition or cooperation. While a competitive system would not be unexpected given historical and current trends, such a system would likely stunt the prospects for a full revitalization of US primary care. However, there is reason to believe that a cooperative system is possible and would be advantageous, given the mutual dependencies that already exist among primary care stakeholders, and additional steps that could be taken to enhance such dependencies even more into the future.

  19. Quality of diversified value addition from some minor fruits.

    Science.gov (United States)

    Chakraborty, Ivi; Chaurasiya, A K; Saha, J

    2011-12-01

    Diversified value added products like palm spread, palm toffee, palm burfi, passion-mango blended squash, passion rind pickle, passion rind candy, blended jamun nectar and jack-passion spread from various minor fruits including palmyra palm (Borassus flabellifer L), passion fruit (Passiflora edulis Sims), jamun (Syzygium cumini Rom) and jackfruit (Artocarpus heterophyllus Lam) were developed and their quality assessed. Among these two products viz. passion-mango blended squash and palm spread were rich in antioxidant properties. Passion rind pickle and passion-mango blended squash stored up to 1 year in sealed glass bottle under ambient temperature (25-37 °C). Similarly, passion-mango blended squash has a longer storage life of 15 months followed by jack-passion spread (14 months) under refrigerated temperature (8-10 °C). Passion rind pickle, jack-passion spread and passion-mango blended squash were the most acceptable with a score of above 3.5 out of 5.0. The microbial population of the products showed acceptable limit with respect to the yeast and bacterial count till their respective storage period.

  20. AACP Special Taskforce on Diversifying Our Investment in Human Capital Interim Update.

    Science.gov (United States)

    White, Carla; Adams, Jennifer

    2016-09-25

    The 2015-2017 AACP Special Taskforce on Diversifying our Investment in Human Capital was appointed for a two-year term, therefore the interim update from the Taskforce. A full report will be provided in 2017 in the form of a white paper for academic pharmacy on diversifying our investment in human capital.

  1. Optimization of the air cargo supply chain

    Directory of Open Access Journals (Sweden)

    María Pérez Bernal

    2012-10-01

    Full Text Available Purpose: This paper aims to evaluate and optimize the various operations within the air cargo chain. It pursues to improve the efficiency of the air cargo supply chain and to provide more information to the decision-makers to optimize their fields.Design/methodology/approach: The method used is a process simulation modelling software, WITNESS, which provides information to the decision-makers about the most relevant parameters subject to optimization. The input for the simulation is obtained from a qualitative analysis of the air cargo supply chain with the involved agents and from a study of the external trade by air mode, given that their behaviour depend on the location. The case study is focused on a particular location, the Case of Zaragoza Airport (Spain.Findings: This paper demonstrates that efficiency of the air cargo supply chain can increase by leveraging several parameters such as bottlenecks, resources or warehouses.Originality/value: It explores the use of a simulation modeling software originally intended for manufacturing processes and extended to support decision making processes in the area of air cargo.

  2. Effect of operating segments to the firm value of diversified listed companies in the Philippines

    Directory of Open Access Journals (Sweden)

    William T. Sucuahi

    2016-01-01

    Full Text Available A growing number of studies produced different result on whether diversification can create or destroy value. The objective of this study is to determine if the operating segments can predict the firm value of the publiclylisted diversified companies. Tobin’s Q was used as a proxy of firm value. This study used regression analysis to evaluate if number of operating segments and type of business engaged can affect the Tobin’s Q of diversified firms. Using 86 diversified listed companies the study shows that majority of the diversified firms have Tobin’s Q lesser than one. Diversified firms without real estate and banking in their segments have better firm value than those who have. The value that was created by diversification will depend on what type of operating segment the company engaged and not on the number of segments they operate.

  3. Cargo-mix optimization in Liner Shipping

    DEFF Research Database (Denmark)

    Christensen, Jonas Mark; Pacino, Dario; Fonseca, Joao Filipe Paiva

    International transportation constitutes one of the biggest challenges in limiting CO2 emission in theworld: it is technically hard to find viable alternatives to fossil fuels, and due to the internationalnature, it is very difficult to regulate CO2 emission of intercontinental trade. Moreover......’ utilization.The more containers a vessel carries the smaller is the resulting CO2 emissions per transported tonof cargo. This is what can be seen as a win-win situation. Better vessel utilization will result bothin cleaner transport and in better revenue margins for the shippers. Focus on vessel intake...... composition available in the different portsmight not be suitable for the full utilization of the vessel. The focus of our work is the analysis ofvessels’ cargo-mix, in particular finding what cargo composition is needed for a vessel to maximizeits utilization on a given service. Such a model can have various...

  4. Column generation approaches to ship scheduling with flexible cargo sizes

    DEFF Research Database (Denmark)

    Brønmo, Geir; Nygreen, Bjørn; Lysgaard, Jens

    2010-01-01

    We present a Dantzig-Wolfe procedure for the ship scheduling problem with flexible cargo sizes. This problem is similar to the well-known pickup and delivery problem with time windows, but the cargo sizes are defined by intervals instead of by fixed values. The flexible cargo sizes have consequen......We present a Dantzig-Wolfe procedure for the ship scheduling problem with flexible cargo sizes. This problem is similar to the well-known pickup and delivery problem with time windows, but the cargo sizes are defined by intervals instead of by fixed values. The flexible cargo sizes have...

  5. Characterizing Complexity of Containerized Cargo X-ray Images

    International Nuclear Information System (INIS)

    Wang, Guangxing; Martz, Harry; Glenn, Steven; Divin, Charles; Birrer, Nat

    2016-01-01

    X-ray imaging can be used to inspect cargos imported into the United States. In order to better understand the performance of X-ray inspection systems, the X-ray characteristics (density, complexity) of cargo need to be quantified. In this project, an image complexity measure called integrated power spectral density (IPSD) was studied using both DNDO engineered cargos and stream-of-commerce (SOC) cargos. A joint distribution of cargo density and complexity was obtained. A support vector machine was used to classify the SOC cargos into four categories to estimate the relative fractions.

  6. Port Security: Container Cargo Control

    Directory of Open Access Journals (Sweden)

    Vladivoj Vlaković

    2006-05-01

    Full Text Available illicittrafficking of threat materials, especially explosives, chemicalsubstances and radioactive or nuclear material. The transportof the threat materials by using sea routes is an advantageto te"orists especially because of the possible use of ship containers.The container is the basis of world trade. It is assumed thatthe world total movement in containers is about 200 millionTEUs ("20-foot equivalent units" per year. The list of materialstransported by containers which should be subject to inspectionwith the aim of reducing the acts of te"orism includes explosives,narcotics, chemical weapons, hazardous chemicalsand radioactive materials.Of special interest is nuclear te"orism. The risk of nuclearte"orism carried out by sub-national groups should be considerednot only in the construction and/or use of nuclear device,but also in possible radioactive contamination of large urbanareas.The system of ship containers control is an essential componentof «smart border» concept. Modem personnel, parcel,vehicle and cargo inspection systems are non-invasive imagingtechniques based on the use of nuclear analytical techniques.The inspection systems use penetrating radiations: hard x-rays(300 keV or more or gamma-rays from radioactive sources(137Cs and 60Co with energies from 600 to 1300 keV that producea high resolution radiograph of the load. Unfortunately,this information is "non-specific" in that it gives no informationon the nature of objects that do not match_ the travel documentsand are not recognized by a visual analysis of the radiographicpicture. Moreover, there are regions of the containerwherex and gamma-ray systems are "blind" due to the high averageatomic number of the objects i"adiated that appear asblack spots in the radiographic image.The systems being developed are based on the use of fast, 14Me V, neutrons with detection of associated a-particle from nuclearreactionbywhichneutrons are produced (d+t>a+n.Jnsuch a way the possibility to

  7. Terminal myelocystocele.

    Science.gov (United States)

    Kumar, Raj; Chandra, Anil

    2002-12-01

    Terminal myelocystocele is an unusual form of occult spinal dysraphism. It consists of a cystic dilatation of a low-lying terminal cord herniated posteriorly through a skin covered lumbosacral spina bifida. This condition is often associated with OEIS complex i.e. opmphalocele, exstrophy of the bladder, imperforate anus and spinal abnormality. We studied 4 cases of terminal myelocystocele. They revealed no preoperative neurological deficit. None of these had associated OEIS complex. One of the cyst was unique due to presence of copious amount of pus in its cavity. All four cases underwent successful repair and surgery remained uneventful in all of them. No child showed neurological deterioration during the follow-up.

  8. 19 CFR 115.55 - Termination of approval.

    Science.gov (United States)

    2010-04-01

    ... vehicle by a major repair or alteration of any of the essential features required in § 115.51. Repairs by... TREASURY CARGO CONTAINER AND ROAD VEHICLE CERTIFICATION PURSUANT TO INTERNATIONAL CUSTOMS CONVENTIONS Procedures for Approval of Individual Road Vehicles § 115.55 Termination of approval. Approval of a road...

  9. 46 CFR 153.283 - Valving for cargo piping.

    Science.gov (United States)

    2010-10-01

    ... CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS Design and Equipment Piping Systems and Cargo Handling Equipment § 153.283 Valving for cargo piping. (a) Except as described in this...

  10. Marine cargo imports and forest pest introductions

    Science.gov (United States)

    Frank H. Koch

    2009-01-01

    A major pathway for the introduction of nonindigenous forest pests is accidental transport on cargo imported from overseas. Diseases may be brought into the United States via commercial trade of nursery stock or other live plant material, as has been suggested for Phytophthora ramorum, the pathogen that causes sudden oak death (Ivors and others 2006). Insects may...

  11. Molecular approach to intracellular cargo transport

    Science.gov (United States)

    Yildiz, Ahmet

    2010-03-01

    Landmark discoveries in the study of cytoplasmic motors have been made through advances in single molecule biophysics and detailed mechanistic models exist for kinesin and dynein. However, the function of motors in physiological conditions has not been carefully tested. In cells, more than few dyneins can attach to the same cargo and interact with the opposite polarity motors of kinesin. To study the molecular crosstalk between the motors, we have used intraflagellar transport (IFT) in Chlamydomonas reinhardtii as a model system. Ultrahigh spatio-temporal tracking of single cargo movement showed that IFT particles move for long distances unidirectionally with 8 nm increments, agreeing with measured step sizes of kinesin and dynein. To measure how many motors transport each cargo, we have linked large polystyrene beads to internal IFT particles through a transmembrane protein. Force measurements indicated that, on average, 3-4 motors transport cargoes in each direction. The results showed that IFT motors are tightly coordinated and might be involved in recycling each other to the appropriate end of the flagellum.

  12. Linking molecular motors to membrane cargo

    NARCIS (Netherlands)

    A.S. Akhmanova (Anna); J.A. Hammer (John)

    2010-01-01

    textabstractThree types of motors, myosins, kinesins, and cytoplasmic dynein, cooperate to transport intracellular membrane organelles. Transport of each cargo is determined by recruitment of specific sets of motors and their regulation. Targeting of motors to membranes often depends on the

  13. Diversifying selection and host adaptation in two endosymbiont genomes

    Directory of Open Access Journals (Sweden)

    Slatko Barton

    2007-04-01

    Full Text Available Abstract Background The endosymbiont Wolbachia pipientis infects a broad range of arthropod and filarial nematode hosts. These diverse associations form an attractive model for understanding host:symbiont coevolution. Wolbachia's ubiquity and ability to dramatically alter host reproductive biology also form the foundation of research strategies aimed at controlling insect pests and vector-borne disease. The Wolbachia strains that infect nematodes are phylogenetically distinct, strictly vertically transmitted, and required by their hosts for growth and reproduction. Insects in contrast form more fluid associations with Wolbachia. In these taxa, host populations are most often polymorphic for infection, horizontal transmission occurs between distantly related hosts, and direct fitness effects on hosts are mild. Despite extensive interest in the Wolbachia system for many years, relatively little is known about the molecular mechanisms that mediate its varied interactions with different hosts. We have compared the genomes of the Wolbachia that infect Drosophila melanogaster, wMel and the nematode Brugia malayi, wBm to that of an outgroup Anaplasma marginale to identify genes that have experienced diversifying selection in the Wolbachia lineages. The goal of the study was to identify likely molecular mechanisms of the symbiosis and to understand the nature of the diverse association across different hosts. Results The prevalence of selection was far greater in wMel than wBm. Genes contributing to DNA metabolism, cofactor biosynthesis, and secretion were positively selected in both lineages. In wMel there was a greater emphasis on DNA repair, cell division, protein stability, and cell envelope synthesis. Conclusion Secretion pathways and outer surface protein encoding genes are highly affected by selection in keeping with host:parasite theory. If evidence of selection on various cofactor molecules reflects possible provisioning, then both insect as

  14. 48 CFR 52.228-9 - Cargo Insurance.

    Science.gov (United States)

    2010-10-01

    ... 48 Federal Acquisition Regulations System 2 2010-10-01 2010-10-01 false Cargo Insurance. 52.228-9... Insurance. As prescribed in 28.313(a), insert the following clause: Cargo Insurance (MAY 1999) (a) The..., cargo insurance of $_____ per vehicle to cover the value of property on each vehicle and of $_____ to...

  15. 77 FR 65006 - Air Cargo Advance Screening (ACAS) Pilot Program

    Science.gov (United States)

    2012-10-24

    ... electronic cargo information pursuant to the Trade Act, and has implemented this authority in 19 CFR 122.48a... pilot participants of a subset of mandatory advance electronic information for air cargo. CBP regulations implementing the Trade Act of 2002 require advance information for air cargo to be submitted no...

  16. 14 CFR 205.8 - Cargo liability disclosure statement.

    Science.gov (United States)

    2010-01-01

    ... 14 Aeronautics and Space 4 2010-01-01 2010-01-01 false Cargo liability disclosure statement. 205.8... PROCEEDINGS) ECONOMIC REGULATIONS AIRCRAFT ACCIDENT LIABILITY INSURANCE § 205.8 Cargo liability disclosure statement. Every direct U.S. or foreign air carrier providing air cargo service in air transportation shall...

  17. 46 CFR 154.1850 - Entering cargo handling spaces.

    Science.gov (United States)

    2010-10-01

    ..., compressors, and compressor motors. (2) Gas-dangerous cargo control spaces. (3) Other spaces containing cargo... cargo handling spaces. (a) The master shall ensure that the ventilation system under § 154.1200 is in... ventilation system, is posted outside of each space under paragraph (a) of this section. (c) The master shall...

  18. 46 CFR 154.1828 - Spaces containing cargo vapor: Entry.

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 5 2010-10-01 2010-10-01 false Spaces containing cargo vapor: Entry. 154.1828 Section... Spaces containing cargo vapor: Entry. (a) No person may enter a cargo handling space without the... toxic vapors and has an oxygen concentration of at least 19.5 percent oxygen by volume; or (2) Those...

  19. 46 CFR 154.560 - Cargo hose: Prototype test.

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 5 2010-10-01 2010-10-01 false Cargo hose: Prototype test. 154.560 Section 154.560... Hose § 154.560 Cargo hose: Prototype test. (a) Each cargo hose must be of a type that passes a prototype test at a pressure of at least five times its maximum working pressure at or below the minimum...

  20. 46 CFR 154.1816 - Cargo location plan.

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 5 2010-10-01 2010-10-01 false Cargo location plan. 154.1816 Section 154.1816 Shipping... FOR SELF-PROPELLED VESSELS CARRYING BULK LIQUEFIED GASES Operations § 154.1816 Cargo location plan. The master shall ensure that: (a) A cargo location plan is prepared that gives: (1) The location and...

  1. 46 CFR 151.25-2 - Cargo handling space.

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 5 2010-10-01 2010-10-01 false Cargo handling space. 151.25-2 Section 151.25-2 Shipping... BULK LIQUID HAZARDOUS MATERIAL CARGOES Environmental Control § 151.25-2 Cargo handling space. Pump rooms, compressor rooms, refrigeration rooms, heating rooms, instrument rooms or other closed spaces...

  2. 33 CFR 157.23 - Cargo and ballast system information.

    Science.gov (United States)

    2010-07-01

    ... CARRYING OIL IN BULK Design, Equipment, and Installation § 157.23 Cargo and ballast system information. (a... automatic and manual operation of the cargo and ballast system in the vessel. (b) The format and information... 33 Navigation and Navigable Waters 2 2010-07-01 2010-07-01 false Cargo and ballast system...

  3. Terminal Ballistics

    CERN Document Server

    Rosenberg, Zvi

    2012-01-01

    This book covers the important issues of terminal ballistics in a comprehensive way combining experimental data, numerical simulations and analytical modeling. The first chapter reviews the experimental equipment which are used for ballistic tests and the diagnostics for material characterization under impulsive loading conditions. The second chapter covers essential features of the codes which are used for terminal ballistics such as the Euler vs. Lagrange schemes and meshing techniques, as well as the most popular material models. The third chapter, devoted to the penetration mechanics of rigid penetrators, brings the update of modeling in this field. The fourth chapter deals with plate perforation and the fifth chapter deals with the penetration mechanics of shaped charge jets and eroding long rods. The last two chapters discuss several techniques for the disruption and defeating of the main threats in armor design. Throughout the book the authors demonstrate the advantages of numerical simulations in unde...

  4. Termination unit

    Energy Technology Data Exchange (ETDEWEB)

    Traeholt, Chresten; Willen, Dag; Roden, Mark; Tolbert, Jerry C.; Lindsay, David; Fisher, Paul W.; Nielsen, Carsten Thidemann

    2016-05-03

    Cable end section comprises end-parts of N electrical phases/neutral, and a thermally-insulation envelope comprising cooling fluid. The end-parts each comprises a conductor and are arranged with phase 1 innermost, N outermost surrounded by the neutral, electrical insulation being between phases and N and neutral. The end-parts comprise contacting surfaces located sequentially along the longitudinal extension of the end-section. A termination unit has an insulating envelope connected to a cryostat, special parts at both ends comprising an adapter piece at the cable interface and a closing end-piece terminating the envelope in the end-section. The special parts houses an inlet and/or outlet for cooling fluid. The space between an inner wall of the envelope and a central opening of the cable is filled with cooling fluid. The special part at the end connecting to the cryostat houses an inlet or outlet, splitting cooling flow into cable annular flow and termination annular flow.

  5. Ecosystem Services in Biologically Diversified versus Conventional Farming Systems: Benefits, Externalities, and Trade-Offs

    Directory of Open Access Journals (Sweden)

    Claire Kremen

    2012-12-01

    Full Text Available We hypothesize that biological diversification across ecological, spatial, and temporal scales maintains and regenerates the ecosystem services that provide critical inputs - such as maintenance of soil quality, nitrogen fixation, pollination, and pest control - to agriculture. Agrobiodiversity is sustained by diversified farming practices and it also supplies multiple ecosystem services to agriculture, thus reducing environmental externalities and the need for off-farm inputs. We reviewed the literature that compares biologically diversified farming systems with conventional farming systems, and we examined 12 ecosystem services: biodiversity; soil quality; nutrient management; water-holding capacity; control of weeds, diseases, and pests; pollination services; carbon sequestration; energy efficiency and reduction of warming potential; resistance and resilience to climate change; and crop productivity. We found that compared with conventional farming systems, diversified farming systems support substantially greater biodiversity, soil quality, carbon sequestration, and water-holding capacity in surface soils, energy-use efficiency, and resistance and resilience to climate change. Relative to conventional monocultures, diversified farming systems also enhance control of weeds, diseases, and arthropod pests and they increase pollination services; however, available evidence suggests that these practices may often be insufficient to control pests and diseases or provide sufficient pollination. Significantly less public funding has been applied to agroecological research and the improvement of diversified farming systems than to conventional systems. Despite this lack of support, diversified farming systems have only somewhat reduced mean crop productivity relative to conventional farming systems, but they produce far fewer environmental and social harms. We recommend that more research and crop breeding be conducted to improve diversified farming

  6. Positive diversifying selection is a pervasive adaptive force throughout the Drosophila radiation.

    Science.gov (United States)

    Cicconardi, Francesco; Marcatili, Paolo; Arthofer, Wolfgang; Schlick-Steiner, Birgit C; Steiner, Florian M

    2017-07-01

    The growing genomic information on non-model organisms eases exploring the evolutionary history of biodiversity. This is particularly true for Drosophila flies, in which the number of sequenced species doubled recently. Because of its outstanding diversity of species, Drosophila has become one of the most important systems to study adaptive radiation. In this study, we performed a genome-wide analysis of positive diversifying selection on more than 2000 single-copy orthologous groups in 25 species using a recent method of increased accuracy for detecting positive diversifying selection. Adopting this novel approach enabled us to find a consistent selection signal throughout the genus Drosophila, and a total of 1342 single-copy orthologous groups were identified with a putative signal of positive diversifying selection, corresponding to 1.9% of all loci. Specifically, in lineages leading to D. grimshawi, a strong putative signal of positive diversifying selection was found related to cell, morphological, neuronal, and sensorial development and function. A recurrent signal of positive diversifying selection was found on genes related to aging and lifespan, suggesting that selection had shaped lifespan diversity in Drosophila, including extreme longevity. Our study, one of the largest and most comprehensive ones on genome-wide positive diversifying selection to date, shows that positive diversifying selection has promoted species-specific differentiation among evolutionary lineages throughout the Drosophila radiation. Acting on the same biological processes via different routes, positive diversifying selection has promoted diversity of functions and adaptive divergence. Copyright © 2017 The Authors. Published by Elsevier Inc. All rights reserved.

  7. 19 CFR 4.34 - Prematurely discharged, overcarried, and undelivered cargo.

    Science.gov (United States)

    2010-04-01

    ... forwarding cargo. When it is desired that prematurely landed cargo, overcarried cargo, or cargo so stowed as... substitute traveling manifest for the prematurely landed or overcarried cargo being forwarded as residue... forwarding is made on the Cargo Declaration, the new substitute traveling manifest shall be stamped to show...

  8. Morintides: cargo-free chitin-binding peptides from Moringa oleifera.

    Science.gov (United States)

    Kini, Shruthi G; Wong, Ka H; Tan, Wei Liang; Xiao, Tianshu; Tam, James P

    2017-03-31

    Hevein-like peptides are a family of cysteine-rich and chitin-binding peptides consisting of 29-45 amino acids. Their chitin-binding property is essential for plant defense against fungi. Based on the number of cysteine residues in their sequences, they are divided into three sub-families: 6C-, 8C- and 10C-hevein-like peptides. All three subfamilies contain a three-domain precursor comprising a signal peptide, a mature hevein-like peptide and a C-terminal domain comprising a hinge region with protein cargo in 8C- and 10C-hevein-like peptides. Here we report the isolation and characterization of two novel 8C-hevein-like peptides, designated morintides (mO1 and mO2), from the drumstick tree Moringa oleifera, a drought-resistant tree belonging to the Moringaceae family. Proteomic analysis revealed that morintides comprise 44 amino acid residues and are rich in cysteine, glycine and hydrophilic amino acid residues such as asparagine and glutamine. Morintides are resistant to thermal and enzymatic degradation, able to bind to chitin and inhibit the growth of phyto-pathogenic fungi. Transcriptomic analysis showed that they contain a three-domain precursor comprising an endoplasmic reticulum (ER) signal sequence, a mature peptide domain and a C-terminal domain. A striking feature distinguishing morintides from other 8C-hevein-like peptides is a short and protein-cargo-free C-terminal domain. Previously, a similar protein-cargo-free C-terminal domain has been observed only in ginkgotides, the 8C-hevein-like peptides from a gymnosperm Ginkgo biloba. Thus, morintides, with a cargo-free C-terminal domain, are a stand-alone class of 8C-hevein-like peptides from angiosperms. Our results expand the existing library of hevein-like peptides and shed light on molecular diversity within the hevein-like peptide family. Our work also sheds light on the anti-fungal activity and stability of 8C-hevein-like peptides.

  9. Aviation System Analysis Capability Air Carrier Investment Model-Cargo

    Science.gov (United States)

    Johnson, Jesse; Santmire, Tara

    1999-01-01

    The purpose of the Aviation System Analysis Capability (ASAC) Air Cargo Investment Model-Cargo (ACIMC), is to examine the economic effects of technology investment on the air cargo market, particularly the market for new cargo aircraft. To do so, we have built an econometrically based model designed to operate like the ACIM. Two main drivers account for virtually all of the demand: the growth rate of the Gross Domestic Product (GDP) and changes in the fare yield (which is a proxy of the price charged or fare). These differences arise from a combination of the nature of air cargo demand and the peculiarities of the air cargo market. The net effect of these two factors are that sales of new cargo aircraft are much less sensitive to either increases in GDP or changes in the costs of labor, capital, fuel, materials, and energy associated with the production of new cargo aircraft than the sales of new passenger aircraft. This in conjunction with the relatively small size of the cargo aircraft market means technology improvements to the cargo aircraft will do relatively very little to spur increased sales of new cargo aircraft.

  10. 29 CFR 1917.73 - Terminal facilities handling menhaden and similar species of fish (see also § 1917.2, definition...

    Science.gov (United States)

    2010-07-01

    ... 29 Labor 7 2010-07-01 2010-07-01 false Terminal facilities handling menhaden and similar species of fish (see also § 1917.2, definition of hazardous cargo, material, substance or atmosphere). 1917... facilities handling menhaden and similar species of fish (see also § 1917.2, definition of hazardous cargo...

  11. Cargo transportation by airships: A systems study

    Science.gov (United States)

    Huang, C. J.; Dalton, C.

    1976-01-01

    A systems engineering study of a lighter than air airship transportation system was conducted. The feasibility of the use of airships in hauling cargo was demonstrated. Social, legal, environmental and political factors were considered as well as the technical factors necessary to design an effective airship transportation system. In order to accomplish an effective airship transportation program two phases of implementation were recommended. Phase I would involve a fleet of rigid airships of 3.5 million cubic feet displacement capable of carrying 25 tons of cargo internal to the helium-filled gas bag. The Phase I fleet would demonstrate the economic and technical feasibility of modern-day airships while providing a training capability for the construction and operation of larger airships. The Phase II portion would be a fleet of rigid airships of 12 million cubic feet displacement capable of carrying a cargo of 100 tons a distance of 2,000 miles at a cruising speed of 60 mph. An economic analysis is given for a variety of missions for both Phase I and Phase II airships.

  12. Sorting of cargos between axons and dendrites: modelling of differences in cargo transport in these two types of neurites.

    Science.gov (United States)

    Kuznetsov, A V

    2014-05-01

    Explaining how intracellular cargos are sorted between axons and dendrites is important for a mechanistic understanding of what happens in many neurodegenerative disorders. A simple model of cargo sorting relies on differences in microtubule (MT) orientation between axons and dendrites: in mammalian neurons all MTs in axons have their plus ends directed outward while in proximal regions of dendrites the MT polarity is mixed. It can therefore be assumed that cargos that need to be driven into axons associate with kinesin motors while cargos that need to be driven into dendrites associate with dynein motors. This paper develops equations of cargo transport in axons and dendrites based on the above assumptions. Propagation of a pulse of radiolabelled cargos entering an axon and dendrite is simulated. The model equations are solved utilising the Laplace transform method. Differences in cargo transport between axons and dendrites are discussed.

  13. Assessing Port Governance, Devolution and Terminal Performance in Nigeria

    Directory of Open Access Journals (Sweden)

    D. E. Onwuegbuchunam

    2018-02-01

    Full Text Available Concerns about performance and efficiency in port terminals led many national governments to embark on port reforms. The Federal government of Nigeria, for example, adopted the Landlord port model which brought about concessioning of port terminals to private operators. Despite high investments in terminal facilities by the private terminal operators, there are still complaints about level of service offered to port users. This paper applied key performance indicator metrics and parameters of queuing model in assessing performance of Nigeria’s concessioned port terminals. Data for the study were obtained from terminal level records of cargo and ship handling activities for years 2000 to 2015. Major findings indicate that cargo and vessel throughputs improved after the reforms in the six ports examined. However, much variability was observed in trends in ships’ turnround times across all ports after the concession policy implementation. Additional results from the queuing model analysis suggest that the high ships turnround times observed in some ports are associated to delays in ship operation at the berths. The paper recommends that policy interventions be focused on ship operations at the berths as a step in improving service level in the port terminals.

  14. Terminal ballistics

    CERN Document Server

    Rosenberg, Zvi

    2016-01-01

    This book comprehensively discusses essential aspects of terminal ballistics, combining experimental data, numerical simulations and analytical modeling. Employing a unique approach to numerical simulations as a measure of sensitivity for the major physical parameters, the new edition also includes the following features: new figures to better illustrate the problems discussed; improved explanations for the equation of state of a solid and for the cavity expansion process; new data concerning the Kolsky bar test; and a discussion of analytical modeling for the hole diameter in a thin metallic plate impacted by a shaped charge jet. The section on thick concrete targets penetrated by rigid projectiles has now been expanded to include the latest findings, and two new sections have been added: one on a novel approach to the perforation of thin concrete slabs, and one on testing the failure of thin metallic plates using a hydrodynamic ram.

  15. Catching hold of chance, working hard, striving for synchronous development of uranium geology and diversified economy

    International Nuclear Information System (INIS)

    Zhang Weixing

    1994-01-01

    The Bureau of Geology, CNNC (China National Nuclear Corporation) has established a fundamental guideline of 'persisting in uranium prospecting, vigorously shifting to diversified economy, placing emphasis on benefits and stepping on the way of self-management, self-responsibility for profits or losses, self-constraint and self-development, and the target will be attained within three years. In order to realize the synchronous development of uranium geology and diversified economy, following points should be made: emancipate the mind and seek truth from facts; predict correctly the energy development on the demand of uranium resources and persist in uranium prospecting; develop actively diversified economy in line with local conditions and reinforce the economic potential of geological teams; adjust the structure of them quickly and quicken the pace into the market

  16. STRATEGIC MANAGEMENT OF TRANSPORT CARGO COMPLEX

    Directory of Open Access Journals (Sweden)

    A. M. Okorokov

    2014-06-01

    Full Text Available Purpose. Making the qualitative administrative decisions defining strategy and tactics of transport cargo complexes development, and also its subsystems, is possible only in the presence of flexible optimization model. This model has to consider multiparametricity and multicriteriality of the given task, uncertainty and vagueness of input information, and also to provide process automation of searching the best parameters of the given production facility. The purpose of the research is to develop procedures for the strategic management of complex with view of the most important factors and their stochastic nature, which will execute the improvement of technical equipment of TCC. Methodology. The problem of strategic management is based on solving the complex of issues of the optimal number of shunting locomotives, optimal processing capability of handling the front and rational capacity of warehouses. The problem is solved on the basis of the proposed optimality criterion – the specific set of profit per unit of capital assets of freight industry. The listed problems are solved using simulation modeling of the freight industry. Findings. The use of developed procedure allows one to improve the technical equipment of the freight stations and complexes. Originality. For the first time it was developed the procedure of strategic management of development. This procedure allows taking into account the probabilistic nature of demand for services of transport freight complexes and technological processes of client services on the complex stations. The proposed procedure can be applied during when planning the investments in the creation of transport freight complexes. Practical value. Use as a basic tool of simulation models of complex cargo operation allows estimating the effectiveness of the capital investments, the level of operating costs, as well as the quality of meeting the demands of potential customers in transportations at the stage of

  17. Cargo distributions differentiate pathological axonal transport impairments.

    Science.gov (United States)

    Mitchell, Cassie S; Lee, Robert H

    2012-05-07

    Axonal transport is an essential process in neurons, analogous to shipping goods, by which energetic and cellular building supplies are carried downstream (anterogradely) and wastes are carried upstream (retrogradely) by molecular motors, which act as cargo porters. Impairments in axonal transport have been linked to devastating and often lethal neurodegenerative diseases, such as Amyotrophic Lateral Sclerosis, Huntington's, and Alzheimer's. Axonal transport impairment types include a decrease in available motors for cargo transport (motor depletion), the presence of defective or non-functional motors (motor dilution), and the presence of increased or larger cargos (protein aggregation). An impediment to potential treatment identification has been the inability to determine what type(s) of axonal transport impairment candidates that could be present in a given disease. In this study, we utilize a computational model and common axonal transport experimental metrics to reveal the axonal transport impairment general characteristics or "signatures" that result from three general defect types of motor depletion, motor dilution, and protein aggregation. Our results not only provide a means to discern these general impairments types, they also reveal key dynamic and emergent features of axonal transport, which potentially underlie multiple impairment types. The identified characteristics, as well as the analytical method, can be used to help elucidate the axonal transport impairments observed in experimental and clinical data. For example, using the model-predicted defect signatures, we identify the defect candidates, which are most likely to be responsible for the axonal transport impairments in the G93A SOD1 mouse model of ALS. Copyright © 2012 Elsevier Ltd. All rights reserved.

  18. Installation of the Canadian Muon Cargo Inspection System at CRL

    Science.gov (United States)

    2014-04-01

    Installation of the Canadian Muon Cargo Inspection System at CRL Prepared by: Guy Jonkmans Atomic Energy of Canada Limited Chalk River ON...INSTALLATION OF THE CANADIAN MUON CARGO INSPECTION SYSTEM AT CRL 153-30100-REPT-001 Revision 0 2013/02/19 UNRESTRICTED 2013/02/19 ILLIMITÉ 153...30100-REPT-001 2013/02/19 Report, General Installation of the Canadian Muon Cargo Inspection System at CRL Research and Development 153-30100

  19. The carriage of dangerous and nuclear cargoes

    International Nuclear Information System (INIS)

    King, P.E.

    1986-01-01

    In an area of real public concern it is regrettable that the applicable principles of legal liability at common law are not certain nor readily adaptable to admittedly remarkable technological change. Whilst the ever-flexible principle of negligence suggests a way forward, in the case of totally destructive cargoes or where evidence of fault may be scarce, principles of strict liability find a necessary operation. This is the approach reflected in the international codes referred to, especially in the area of uranium-related activities which Australia has not yet adopted

  20. Distinct effects on diversifying selection by two mechanisms of immunity against Streptococcus pneumoniae.

    Directory of Open Access Journals (Sweden)

    Yuan Li

    Full Text Available Antigenic variation to evade host immunity has long been assumed to be a driving force of diversifying selection in pathogens. Colonization by Streptococcus pneumoniae, which is central to the organism's transmission and therefore evolution, is limited by two arms of the immune system: antibody- and T cell- mediated immunity. In particular, the effector activity of CD4(+ T(H17 cell mediated immunity has been shown to act in trans, clearing co-colonizing pneumococci that do not bear the relevant antigen. It is thus unclear whether T(H17 cell immunity allows benefit of antigenic variation and contributes to diversifying selection. Here we show that antigen-specific CD4(+ T(H17 cell immunity almost equally reduces colonization by both an antigen-positive strain and a co-colonized, antigen-negative strain in a mouse model of pneumococcal carriage, thus potentially minimizing the advantage of escape from this type of immunity. Using a proteomic screening approach, we identified a list of candidate human CD4(+ T(H17 cell antigens. Using this list and a previously published list of pneumococcal Antibody antigens, we bioinformatically assessed the signals of diversifying selection among the identified antigens compared to non-antigens. We found that Antibody antigen genes were significantly more likely to be under diversifying selection than the T(H17 cell antigen genes, which were indistinguishable from non-antigens. Within the Antibody antigens, epitopes recognized by human antibodies showed stronger evidence of diversifying selection. Taken together, the data suggest that T(H17 cell-mediated immunity, one form of T cell immunity that is important to limit carriage of antigen-positive pneumococcus, favors little diversifying selection in the targeted antigen. The results could provide new insight into pneumococcal vaccine design.

  1. Termination unit

    Science.gov (United States)

    Traeholt, Chresten [Frederiksberg, DK; Willen, Dag [Klagshamn, SE; Roden, Mark [Newnan, GA; Tolbert, Jerry C [Carrollton, GA; Lindsay, David [Carrollton, GA; Fisher, Paul W [Heiskell, TN; Nielsen, Carsten Thidemann [Jaegerspris, DK

    2014-01-07

    This invention relates to a termination unit comprising an end-section of a cable. The end section of the cable defines a central longitudinal axis and comprising end-parts of N electrical phases, an end-part of a neutral conductor and a surrounding thermally insulation envelope adapted to comprising a cooling fluid. The end-parts of the N electrical phases and the end-part of the neutral conductor each comprising at least one electrical conductor and being arranged in the cable concentrically around a core former with a phase 1 located relatively innermost, and phase N relatively outermost in the cable, phase N being surrounded by the neutral conductor, electrical insulation being arrange between neighboring electrical phases and between phase N and the neutral conductor, and wherein the end-parts of the neutral conductor and the electrical phases each comprise a contacting surface electrically connected to at least one branch current lead to provide an electrical connection: The contacting surfaces each having a longitudinal extension, and being located sequentially along the longitudinal extension of the end-section of the cable. The branch current leads being individually insulated from said thermally insulation envelope by individual electrical insulators.

  2. Diversified integration of practical teaching resources in ideological and political course in colleges and universities

    Science.gov (United States)

    Xu, Jin; Chu, Biao

    2018-03-01

    To promote diversified integration and integrated use of practical teaching resources in ideological and political education in colleges and universities is helpful to extend the ideological and political teaching activities in colleges and universities, to update and supplement ideological and political knowledge, to build a harmonious learning environment for students and to comprehensively improve their ideological and political accomplishments. This article will analyze of ideological and political practical teaching resources diversified integration and the integration of programs by examples, and put forward personal opinions.

  3. Book Review: Radiation protection and measurement issues related to cargo scanning with accelerator-produced high-energy X rays, NCRP Commentary No. 20

    Energy Technology Data Exchange (ETDEWEB)

    Robert May

    2008-11-01

    Having spent roughly the first third of his health physics career on the Norfolk, VA waterfront area, the reviewer was excited to see the NCRP Commentary 20, 'Radiation Protection and Measurements Issues Related to Cargo Scanning with Accelerator Technology'. It signals the advent of the Cargo Advanced Automated Radiography System (CAARS). The waterfront is a border that challenges physical security programs and technology. As Commentary 20 provides in the introduction, waterfront cargo terminals and land border crossings together represent over 300 ports of entry in the USA. Every year, the USA receives over 10 million cargo containers from commercial shipping and a roughly equal amount from land border crossings. While rapidly processing containerized cargo, CAARS will be able to detect small quantities of high atomic number radioactive materials and dense shielding materials used for radioactive gamma ray sources and even illicit human cargo - important concerns for homeland security. It will also be able to detect other contraband such as explosives, weapons and drugs. Section 1 of the Commentary presents an executive summary with NCRP's radiation dose management recommendations and related operational recommendations for effective implementation of CAARS technology in the current regulatory environment.

  4. 46 CFR 153.1052 - Carriage of other cargoes in acid tanks.

    Science.gov (United States)

    2010-10-01

    ... Special Cargo Procedures § 153.1052 Carriage of other cargoes in acid tanks. No person shall load or carry other cargoes in a cargo containment system of a U.S. flag ship endorsed to carry sulfuric acid... 46 Shipping 5 2010-10-01 2010-10-01 false Carriage of other cargoes in acid tanks. 153.1052...

  5. Improvement of working environment conditions in the logistic terminal

    Directory of Open Access Journals (Sweden)

    Magdalena Dobosz

    2016-09-01

    Full Text Available The authors of this article analyse and propose improvement of safety and health at work in the transshipment terminal of a logistics company. The character of the place means that workers are exposed to constant overload of their musculoskeletal system, which is defined in the process of transporting the cargo of considerable weight. After analysing changes in the conditions of safety and health at work on selected positions were proposed. Qualitative research using the observation method, as well as the quantitative approach after changes in working conditions show the change of attitudes of employees to their work and higher performance. After a year of the proposed changes, a decision was made to introduce them also into external companies and for employees working in the cargo transshipment terminal.

  6. Dropout Prevention: Diversified Satellite Occupations Program and Career Development. Final Report.

    Science.gov (United States)

    Jones, Hilda B.

    The Diversified Satellite Occupations Program Career Development sought to prevent dropout through these strategies: registration at a school situation away from the normal school setting, creation of a close teacher-student relationship, and raise achievement levels and lower anxiety levels. Program emphases at elementary, junior and senior high…

  7. Factors Leading to Success in Diversified Occupation: A Livelihood Analysis in India

    Science.gov (United States)

    Saha, Biswarup; Bahal, Ram

    2015-01-01

    Purpose: Livelihood diversification is a sound alternative for higher economic growth and its success or failure is conditioned by the interplay of a multitude of factors. The study of the profile of the farmers in which they operate is important to highlight the factors leading to success in diversified livelihoods. Design/Methodology/Approach: A…

  8. Positive diversifying selection is a pervasive adaptive force throughout the Drosophila radiation

    DEFF Research Database (Denmark)

    Cicconardi, Francesco; Marcatili, Paolo; Arthofer, Wolfgang

    2017-01-01

    this novel approach enabled us to find a consistent selection signal throughout the genus Drosophila, and a total of 1342 single-copy orthologous groups were identified with a putative signal of positive diversifying selection, corresponding to 1.9% of all loci. Specifically, in lineages leading to D...

  9. Pedagogical Transaction in Religious Education: Diversified Society and John Dewey's Philosophy of Education

    Science.gov (United States)

    Sutinen, Ari; Kallioniemi, Arto; Pihlström, Sami

    2015-01-01

    The focus of the article is on how a new approach to religious education (RE) in diversified societies can be constructed on the basis of the theory of pedagogical transaction presented by John Dewey. Reflections of developing RE are very current in Western secularized societies. We believe that Dewey's pragmatist philosophy of education and…

  10. Column generation approaches to ship scheduling with flexible cargo sizes

    DEFF Research Database (Denmark)

    Brønmo, Geir; Nygreen, Bjørn; Lysgaard, Jens

    We present a Dantzig-Wolfe procedure for the ship scheduling problem with flexible cargo sizes. This problem is similar to the well-known pickup and delivery problem with time windows, but the cargo sizes are defined by an interval instead of a fixed value. We show that the introduction of flexible...

  11. 33 CFR 401.76 - In-transit cargo.

    Science.gov (United States)

    2010-07-01

    ... 33 Navigation and Navigable Waters 3 2010-07-01 2010-07-01 false In-transit cargo. 401.76 Section... TRANSPORTATION SEAWAY REGULATIONS AND RULES Regulations Toll Assessment and Payment § 401.76 In-transit cargo... the Seaway Transit Declaration Form, but is deemed to be ballast and not subject to toll assessment. ...

  12. 19 CFR 4.62 - Accounting for inward cargo.

    Science.gov (United States)

    2010-04-01

    ... 19 Customs Duties 1 2010-04-01 2010-04-01 false Accounting for inward cargo. 4.62 Section 4.62 Customs Duties U.S. CUSTOMS AND BORDER PROTECTION, DEPARTMENT OF HOMELAND SECURITY; DEPARTMENT OF THE TREASURY VESSELS IN FOREIGN AND DOMESTIC TRADES Foreign Clearances § 4.62 Accounting for inward cargo...

  13. 19 CFR 4.33 - Diversion of cargo.

    Science.gov (United States)

    2010-04-01

    ...) Substitution of ports of discharge on manifest. After entry, the Cargo Declaration, Customs Form 1302, of a... Declaration, under oath, covering the cargo, which it is desired to divert, is furnished in support of the... purposes; and (3) The certified traveling manifest is not altered or added to in any way by the master...

  14. Basic mechanisms for recognition and transport of synaptic cargos

    NARCIS (Netherlands)

    M.A. Schlager (Max); C.C. Hoogenraad (Casper)

    2009-01-01

    textabstractSynaptic cargo trafficking is essential for synapse formation, function and plasticity. In order to transport synaptic cargo, such as synaptic vesicle precursors, mitochondria, neurotransmitter receptors and signaling proteins to their site of action, neurons make use of molecular motor

  15. 46 CFR 151.50-5 - Cargoes having toxic properties.

    Science.gov (United States)

    2010-10-01

    ... gauge pressure exceeding 4 pounds per square inch, or where air or water pressure is used to discharge... cargo tanks shall be designed for a pressure not less than the vapor pressure, in pounds per square inch gauge, of the lading at 115 °F, or the maximum air or water pressure used to discharge the cargo...

  16. 46 CFR 151.15-10 - Cargo gauging devices.

    Science.gov (United States)

    2010-10-01

    ..., cargoes carried under pressure shall have restricted gauging devices designed so that the maximum bleed... (protected), electronic probe, magnetic, differential pressure cell. (d) Isolated or indirect. A gauging... shall be designed for the pressure and temperature of the cargo in accordance with the requirements of...

  17. 46 CFR 153.440 - Cargo temperature sensors.

    Science.gov (United States)

    2010-10-01

    ... Temperature Control Systems § 153.440 Cargo temperature sensors. (a) Except as prescribed in paragraph (c) of this section, when Table 1 refers to this section, the containment system must meet the following... 46 Shipping 5 2010-10-01 2010-10-01 false Cargo temperature sensors. 153.440 Section 153.440...

  18. 33 CFR 157.19 - Cargo tank arrangement and size.

    Science.gov (United States)

    2010-07-01

    ... OIL IN BULK Design, Equipment, and Installation § 157.19 Cargo tank arrangement and size. (a) This... of connection to the tank served to prevent oil outflow in the event of damage to the piping; and (2... 33 Navigation and Navigable Waters 2 2010-07-01 2010-07-01 false Cargo tank arrangement and size...

  19. 33 CFR 157.132 - Cargo tanks: Hydrocarbon vapor emissions.

    Science.gov (United States)

    2010-07-01

    ... CARRYING OIL IN BULK Crude Oil Washing (COW) System on Tank Vessels Design, Equipment, and Installation... cargo tank that is discharging crude oil; or (b) Any other means accepted by the Commandant that... 33 Navigation and Navigable Waters 2 2010-07-01 2010-07-01 false Cargo tanks: Hydrocarbon vapor...

  20. 33 CFR 157.134 - Cargo tank drainage.

    Science.gov (United States)

    2010-07-01

    ...) POLLUTION RULES FOR THE PROTECTION OF THE MARINE ENVIRONMENT RELATING TO TANK VESSELS CARRYING OIL IN BULK Crude Oil Washing (COW) System on Tank Vessels Design, Equipment, and Installation § 157.134 Cargo tank drainage. Each cargo tank must be designed for longitudinal and transverse drainage of crude oil to allow...

  1. Cargo/Logistics Airlift System Study (CLASS), Volume 2

    Science.gov (United States)

    Norman, J. M.; Henderson, R. D.; Macey, F. C.; Tuttle, R. P.

    1978-01-01

    Air containerization is discussed in terms of lower freight rates, size and pallet limitations, refrigeration, backhaul of empties, and ownership. It is concluded that there is a need for an advance air cargo system as indicated by the industry/transportation case studies, and a stimulation of the air cargo would result in freight rate reductions.

  2. 49 CFR 1549.101 - Acceptance, screening, and transfer of cargo.

    Science.gov (United States)

    2010-10-01

    ... that cargo in accordance with this part, or parts 1544, 1546, or 1548 of this chapter. (d) Chain of custody. Each certified cargo screening facility must protect the cargo from unauthorized access from the...

  3. A simplified tether model for molecular motor transporting cargo

    International Nuclear Information System (INIS)

    Fang-Zhen, Li; Li-Chun, Jiang

    2010-01-01

    Molecular motors are proteins or protein complexes which function as transporting engines in biological cells. This paper models the tether between motor and its cargo as a symmetric linear potential. Different from Elston and Peskin's work for which performance of the system was discussed only in some limiting cases, this study produces analytic solutions of the problem for general cases by simplifying the transport system into two physical states, which makes it possible to discuss the dynamics of the motor–cargo system in detail. It turns out that the tether strength between motor and cargo should be greater than a threshold or the motor will fail to transport the cargo, which was not discussed by former researchers yet. Value of the threshold depends on the diffusion coefficients of cargo and motor and also on the strength of the Brownian ratchets dragging the system. The threshold approaches a finite constant when the strength of the ratchet tends to infinity. (general)

  4. Transporting "exceptional cargo" on the CERN sites

    CERN Document Server

    EN Department

    2012-01-01

    When the Transport Service is managing "exceptional cargo", the driver and the escort are often in charge of an operation involving equipment worth many hundred thousand francs. Equipment that may well be irreplaceable for a facility or an experiment.   The members of the Transport Service who carry out these tasks are very professional and are – needless to say – highly concentrated on the job. They count on your understanding and support in the traffic on site. Their convoys are – for good reasons – moving slowly. Kindly do not overtake, do not cut in in front of them and do not drive too closely. Respect the escort and do not position yourself between the truck and the escort vehicles. The EN department counts on your courtesy on the road.  

  5. Coal terminal developments

    Energy Technology Data Exchange (ETDEWEB)

    Venter, J.

    2008-02-15

    The article reports developments at many coal terminals worldwide. These include Bulgaria's Port of Bourgas Temrinal 2A, Spain's Tarragona Port Services (TPS) terminal, New Zealand's Lyttleton Port of Christchurch (LPC), Kinder Morgan's terminals in the USA (the International Marine terminal, Cora terminal, Grand Rivers terminal and Fairless Hills terminal) and Croatia's Port of Ploce. Developments at coal terminals in France and Belgium are also summarized. Global transportation services offered by Rhenus are described. 12 photos.

  6. Technical and economic evaluation of advanced air cargo system concepts

    Science.gov (United States)

    Whitehead, A. H., Jr.

    1977-01-01

    The paper reviews NASA air cargo market studies, reports on NASA and NASA-sponsored studies of advanced freighter concepts, and identifies the opportunities for the application of advanced technology. The air cargo market is studied to evaluate the timing for, and the potential market response to, advanced technology aircraft. The degree of elasticity in future air freight markets is also being investigated, since the demand for a new aircraft is most favorable in a price-sensitive environment. Aircraft design studies are considered with attention to mission and design requirements, incorporation of advanced technologies in transport aircraft, new cargo aircraft concepts, advanced freighter evaluation, and civil-military design commonality.

  7. AACP Special Taskforce White Paper on Diversifying Our Investment in Human Capital.

    Science.gov (United States)

    White, Carla; Conway, Jeannine M; Davis, Paula K; Johnson-Fannin, Arcelia M; Jurkas, Jeffrey G; Murphy, Nanci L; Smith, W Thomas; Echeverri, Margarita; Youmans, Sharon L; Owings, Katie C; Adams, Jennifer L

    2017-10-01

    The 2015-2017 American Association of Colleges of Pharmacy (AACP) Special Taskforce on Diversifying our Investment in Human Capital was appointed for a two-year term, due to the rigors and complexities of its charges. This report serves as a white paper for academic pharmacy on diversifying our investment in human capital. The Taskforce developed and recommended a representation statement that was adapted and adopted by the AACP House of Delegates at the 2016 AACP Annual Meeting. In addition, the Taskforce developed a diversity statement for the Association that was adopted by the AACP Board of Directors in 2017. The Taskforce also provides recommendations to AACP and to academic pharmacy in this white paper.

  8. Empirical Evidence on Student-t Log-Returns of Diversified World Stock Indices

    OpenAIRE

    Eckhard Platen; Renata Rendek

    2007-01-01

    The aim of this paper is to document some empirical facts related to log-returns of diversified world stock indices when these are denominated in different currencies. Motivated by earlier results, we have obtained the estimated distribution of log-returns for a range of world stock indices over long observation periods. We expand previous studies by applying the maximum likelihood ratio test to the large class of generalized hyperbolic distributions, and investigate the log-returns of a vari...

  9. ASSESSMENT OF TROPHIC STATE OF RESERVOIRS IN SOUTHERN POLAND UNDER DIVERSIFIED HUMAN IMPACT

    OpenAIRE

    Henryk Kasza

    2017-01-01

    The aim of this study was to assess a trophic state of reservoirs in southern Poland under diversified human impact with different morphological, hydrological and river basin features. Three reservoirs were studied: Wapienica, Goczałkowice and Łąka. To estimate a trophic state of reservoir waters criteria based on measured total nitrogen, total phosphorous and chlorophyll a concentrations and limiting values of trophies differentiation as well as the Carlson trophic index (TSI) were used. Rel...

  10. Highly Diversified Pandoraea pulmonicola Population during Chronic Colonization in Cystic Fibrosis

    Directory of Open Access Journals (Sweden)

    Chloé Dupont

    2017-10-01

    Full Text Available Several environmental bacteria are considered as opportunistic pathogens in cystic fibrosis (CF and are able to persistently colonize the CF respiratory tract (CFRT. Beside Pseudomonas aeruginosa and Burkholderia cepacia complex, Pandoraea spp. are defined as pathogenic. During chronic colonization, adaptive evolution and diversified population have been demonstrated, notably for P. aeruginosa. However, the persistence of Pandoraea in the CFRT remains largely unexplored. We studied genomic and phenotypic traits of Pandoraea pulmonicola isolates successively recovered from the airways of a single CF patient and relate the results to qualitative and quantitative evolution of other cultivable pathogens and to patient clinical status. A total of 31 isolates recovered from 18 sputum samples over a 7-year period in a single CF patient were studied. Genome dynamics was assessed by pulsed-field gel electrophoresis, ERIC-PCR fingerprinting and 16S rRNA gene PCR-temporal temperature gel electrophoresis. Phenotypic features included antimicrobial susceptibility, motility, biofilm production, and virulence in Caenorhabditis elegans model. Variability was observed for all the characteristics studied leading to highly diversified patterns (24 patterns for the 31 clonally related isolates. Some of these modifications, mainly genomic events were concomitantly observed with CFRT microbiota composition shifts and with severe exacerbations. The diversity of P. pulmonicola population studied, observed for isolates recovered from successive samples but also within a sample suggested that existence of a diversified population may represent a patho-adaptive strategy for host persistence in the heterogeneous and fluctuating CFRT environment.

  11. Air Cargo Transportation Route Choice Analysis

    Science.gov (United States)

    Obashi, Hiroshi; Kim, Tae-Seung; Oum, Tae Hoon

    2003-01-01

    Using a unique feature of air cargo transshipment data in the Northeast Asian region, this paper identifies the critical factors that determine the transshipment route choice. Taking advantage of the variations in the transport characteristics in each origin-destination airports pair, the paper uses a discrete choice model to describe the transshipping route choice decision made by an agent (i.e., freight forwarder, consolidator, and large shipper). The analysis incorporates two major factors, monetary cost (such as line-haul cost and landing fee) and time cost (i.e., aircraft turnaround time, including loading and unloading time, custom clearance time, and expected scheduled delay), along with other controls. The estimation method considers the presence of unobserved attributes, and corrects for resulting endogeneity by use of appropriate instrumental variables. Estimation results find that transshipment volumes are more sensitive to time cost, and that the reduction in aircraft turnaround time by 1 hour would be worth the increase in airport charges by more than $1000. Simulation exercises measures the impacts of alternative policy scenarios for a Korean airport, which has recently declared their intention to be a future regional hub in the Northeast Asian region. The results suggest that reducing aircraft turnaround time at the airport be an effective strategy, rather than subsidizing to reduce airport charges.

  12. Commercial Firm Training Practices versus Aerial Port Hazardous Cargo Frustration

    National Research Council Canada - National Science Library

    Maynard, Jill L

    2007-01-01

    .... This research investigates if commercial companies are a cause of the frustration problems. A case study methodology was used to investigate training practices of companies that had frustrated hazardous cargo at either Charleston or Dover Aerial Ports...

  13. Cargo/Weapons Elevator Land Based Engineering Site

    Data.gov (United States)

    Federal Laboratory Consortium — The Cargo and Weapons Facility consists of a suite of full scale and component test facilities contiguously located in building 77H. The site was constructed in 1987...

  14. Aggregating Secondary Source Data for Air Cargo Prescreening, Phase I

    Data.gov (United States)

    National Aeronautics and Space Administration — We propose to improve the effectiveness of air cargo prescreening by enabling background knowledge about companies and products to be used for threat assessment. The...

  15. Air cargo in the Mid-America Freight Coalition region.

    Science.gov (United States)

    2012-08-01

    This report contains a contextual review of air cargo transportation in the 10-state Mid-America Freight Coalition (MAFC) region including the industrys recent history, security implications, and integration within the greater MAFC economy. The re...

  16. 46 CFR 153.436 - Heat transfer fluids: compatibility with cargo.

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 5 2010-10-01 2010-10-01 false Heat transfer fluids: compatibility with cargo. 153.436... Equipment Cargo Temperature Control Systems § 153.436 Heat transfer fluids: compatibility with cargo. A heat transfer fluid separated from the cargo by only one wall (for example, the heat transfer fluid in a coil...

  17. 46 CFR 32.50-30 - Cargo hose-TB/ALL.

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 1 2010-10-01 2010-10-01 false Cargo hose-TB/ALL. 32.50-30 Section 32.50-30 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY TANK VESSELS SPECIAL EQUIPMENT, MACHINERY, AND HULL REQUIREMENTS Pumps, Piping, and Hose for Cargo Handling § 32.50-30 Cargo hose—TB/ALL. Cargo hose carried on...

  18. 46 CFR 30.10-6 - Cargo handling room-TB/ALL.

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 1 2010-10-01 2010-10-01 false Cargo handling room-TB/ALL. 30.10-6 Section 30.10-6 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY TANK VESSELS GENERAL PROVISIONS Definitions § 30.10-6 Cargo handling room—TB/ALL. The term cargo handling room means any enclosed space where cargo is pumped...

  19. 19 CFR 122.117 - Requirements for transit air cargo transport.

    Science.gov (United States)

    2010-04-01

    ... 19 Customs Duties 1 2010-04-01 2010-04-01 false Requirements for transit air cargo transport. 122... Requirements for transit air cargo transport. (a) Transportation—(1) Port to port. Transit air cargo may be... cargo, a receipt shall be given. The receipt shall be made by the airline responsible for transport or...

  20. 14 CFR 296.6 - Public disclosure of cargo liability limits and insurance.

    Science.gov (United States)

    2010-01-01

    ....6 Public disclosure of cargo liability limits and insurance. Every indirect cargo air carrier shall... 14 Aeronautics and Space 4 2010-01-01 2010-01-01 false Public disclosure of cargo liability limits... cargo liability accident insurance, and of the limits on the extent of its liability, if any. The notice...

  1. 46 CFR 153.934 - Entry into spaces containing cargo vapor.

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 5 2010-10-01 2010-10-01 false Entry into spaces containing cargo vapor. 153.934... General Vessel Safety § 153.934 Entry into spaces containing cargo vapor. (a) No person may enter a cargo... enclosed space in the cargo area, the master shall make sure that: (1) The space is free of toxic vapors...

  2. 46 CFR 154.405 - Design vapor pressure (Po) of a cargo tank.

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 5 2010-10-01 2010-10-01 false Design vapor pressure (Po) of a cargo tank. 154.405... CARGOES SAFETY STANDARDS FOR SELF-PROPELLED VESSELS CARRYING BULK LIQUEFIED GASES Design, Construction and Equipment Cargo Containment Systems § 154.405 Design vapor pressure (Po) of a cargo tank. (a) The design...

  3. 46 CFR 98.25-10 - Design and construction of cargo tanks.

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 4 2010-10-01 2010-10-01 false Design and construction of cargo tanks. 98.25-10 Section... Anhydrous Ammonia in Bulk § 98.25-10 Design and construction of cargo tanks. (a) The cargo tanks shall meet... Engineering) of this chapter. (b) Unlagged cargo tanks subject to atmospheric temperatures shall be designed...

  4. 46 CFR 154.406 - Design loads for cargo tanks and fixtures: General.

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 5 2010-10-01 2010-10-01 false Design loads for cargo tanks and fixtures: General. 154..., Construction and Equipment Cargo Containment Systems § 154.406 Design loads for cargo tanks and fixtures: General. (a) Calculations must show that a cargo tank and its fixtures are designed for the following...

  5. 49 CFR 173.315 - Compressed gases in cargo tanks and portable tanks.

    Science.gov (United States)

    2010-10-01

    ... qualified assembly, repair, maintenance, or requalification facility. The cargo tank need not be cleaned and... the cargo tank. If the vehicle engine is supplied fuel from the cargo tank, enough fuel in excess of... 49 Transportation 2 2010-10-01 2010-10-01 false Compressed gases in cargo tanks and portable tanks...

  6. Network model of cargo processing in containers in the sea ports of Ukraine

    OpenAIRE

    Светлана Петровна Онищенко; Марина Сергеевна Вильшанюк

    2016-01-01

    It is identified the number of operations on cargo processing in containers in the sea ports of Ukraine and build a logical model of the relationship for the members of cargo service. It is developed a network model of cargo processing in containers in the sea ports of Ukraine as a tool for coordination of operations during processing. The used method allows creating an effective cargo processing plan and identifying and reducing the period of container location with cargo in the port

  7. ktup Terminal Aerodrome Forecast

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — TAF (terminal aerodrome forecast or terminal area forecast) is a format for reporting weather forecast information, particularly as it relates to aviation. TAFs are...

  8. ktop Terminal Aerodrome Forecast

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — TAF (terminal aerodrome forecast or terminal area forecast) is a format for reporting weather forecast information, particularly as it relates to aviation. TAFs are...

  9. kfxe Terminal Aerodrome Forecast

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — TAF (terminal aerodrome forecast or terminal area forecast) is a format for reporting weather forecast information, particularly as it relates to aviation. TAFs are...

  10. kmsy Terminal Aerodrome Forecast

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — TAF (terminal aerodrome forecast or terminal area forecast) is a format for reporting weather forecast information, particularly as it relates to aviation. TAFs are...

  11. kroc Terminal Aerodrome Forecast

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — TAF (terminal aerodrome forecast or terminal area forecast) is a format for reporting weather forecast information, particularly as it relates to aviation. TAFs are...

  12. kacv Terminal Aerodrome Forecast

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — TAF (terminal aerodrome forecast or terminal area forecast) is a format for reporting weather forecast information, particularly as it relates to aviation. TAFs are...

  13. Terminated Multifamily Mortgages Database

    Data.gov (United States)

    Department of Housing and Urban Development — Includes all terminated HUD Multifamily insured mortgages. It includes the Holder and Servicer at the time the mortgage was terminated. The data is good as of...

  14. katw Terminal Aerodrome Forecast

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — TAF (terminal aerodrome forecast or terminal area forecast) is a format for reporting weather forecast information, particularly as it relates to aviation. TAFs are...

  15. klax Terminal Aerodrome Forecast

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — TAF (terminal aerodrome forecast or terminal area forecast) is a format for reporting weather forecast information, particularly as it relates to aviation. TAFs are...

  16. ksea Terminal Aerodrome Forecast

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — TAF (terminal aerodrome forecast or terminal area forecast) is a format for reporting weather forecast information, particularly as it relates to aviation. TAFs are...

  17. pafa Terminal Aerodrome Forecast

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — TAF (terminal aerodrome forecast or terminal area forecast) is a format for reporting weather forecast information, particularly as it relates to aviation. TAFs are...

  18. kprc Terminal Aerodrome Forecast

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — TAF (terminal aerodrome forecast or terminal area forecast) is a format for reporting weather forecast information, particularly as it relates to aviation. TAFs are...

  19. katl Terminal Aerodrome Forecast

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — TAF (terminal aerodrome forecast or terminal area forecast) is a format for reporting weather forecast information, particularly as it relates to aviation. TAFs are...

  20. kmcn Terminal Aerodrome Forecast

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — TAF (terminal aerodrome forecast or terminal area forecast) is a format for reporting weather forecast information, particularly as it relates to aviation. TAFs are...

  1. kogb Terminal Aerodrome Forecast

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — TAF (terminal aerodrome forecast or terminal area forecast) is a format for reporting weather forecast information, particularly as it relates to aviation. TAFs are...

  2. kama Terminal Aerodrome Forecast

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — TAF (terminal aerodrome forecast or terminal area forecast) is a format for reporting weather forecast information, particularly as it relates to aviation. TAFs are...

  3. kbjc Terminal Aerodrome Forecast

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — TAF (terminal aerodrome forecast or terminal area forecast) is a format for reporting weather forecast information, particularly as it relates to aviation. TAFs are...

  4. klch Terminal Aerodrome Forecast

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — TAF (terminal aerodrome forecast or terminal area forecast) is a format for reporting weather forecast information, particularly as it relates to aviation. TAFs are...

  5. kpkb Terminal Aerodrome Forecast

    Data.gov (United States)

    National Oceanic and Atmospheric Administration, Department of Commerce — TAF (terminal aerodrome forecast or terminal area forecast) is a format for reporting weather forecast information, particularly as it relates to aviation. TAFs are...

  6. ptkk Terminal Aerodrome Forecast

    Data.gov (United States)

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  16. Capacity Analysis of Ro-Ro Terminals by Using Simulation Modeling Method

    Directory of Open Access Journals (Sweden)

    Emin Deniz Özkan

    2016-09-01

    Full Text Available In Ro-Ro terminals, terminal capacity is more needed than other types of marine terminals since Ro-Ro cargoes cannot be stacked. In this sense, the variables affecting capacity of a Ro-Ro terminal can be listed as follows; number of vehicles arrived to a terminal, distance between terminals, ship capacity, terminal gates, customs control units, terminal traffic and local traffic, security check, bunkering services etc. In this study, a model generated intended for making capacity analysis in Ro-Ro terminals by using simulation modeling method. Effect of three variables to terminal capacity was investigated while generating the scenarios; ‘number of trucks arriving to terminals’, ‘distance between terminals’ and ‘Ro-Ro ship capacity’. The results show that the variable which affect terminal capacity mostly is ‘number of trucks arriving to terminals’. As a consequence of this situation, it is thought that a Ro-Ro terminal operator must prioritize the demand factor and make an effective demand forecasting in determination of the terminal area.

  17. Evaluasi Kinerja Angkutan Umum Trayek Terminal Oebobo - Terminal Kupang Pp Dan Terminal Kupang - Terminal Noelbaki Pp

    OpenAIRE

    Safe, Yohanes T; Udiana, I Made; Bella, Rosmiyati A

    2015-01-01

    Beberapa ruas jalan pada Trayek Terminal Oebobo-Terminal Kupang PP dan trayek Terminal Kupang-Terminal Noelbaki PP, pada jam-jam puncak angkutan umum yang ada cenderung digunakan melebihi kapasitas maksimumnya. Keadaan sebaliknya terjadi pada jam non-puncak, kendaraan umum setengah kosong dan harus melakukan kompetisi dengan angkutan umum lainnya untuk mendapatkan penumpang. Tujuan dari penelitian adalah mengetahui kinerja pelayanan angkutan umum, kebutuhan angkutan umum dan membuat rekomenda...

  18. Spectroscopic neutron radiography for a cargo scanning system

    Energy Technology Data Exchange (ETDEWEB)

    Rahon, Jill [Department of Nuclear Science and Engineering, Massachusetts Institute of Technology, 77 Massachusetts Ave, Cambridge, MA 02139 (United States); Danagoulian, Areg, E-mail: aregjan@mit.edu [Department of Nuclear Science and Engineering, Massachusetts Institute of Technology, 77 Massachusetts Ave, Cambridge, MA 02139 (United States); MacDonald, Thomas D. [Department of Nuclear Science and Engineering, Massachusetts Institute of Technology, 77 Massachusetts Ave, Cambridge, MA 02139 (United States); Hartwig, Zachary S. [Plasma Science and Fusion Center, Massachusetts Institute of Technology, 77 Massachusetts Ave, Cambridge, MA 02139 (United States); Lanza, Richard C. [Department of Nuclear Science and Engineering, Massachusetts Institute of Technology, 77 Massachusetts Ave, Cambridge, MA 02139 (United States)

    2016-06-01

    Detection of cross-border smuggling of illicit materials and contraband is a challenge that requires rapid, low-dose, and efficient radiographic technology. The work we describe here is derived from a technique which uses monoenergetic gamma rays from low energy nuclear reactions, such as {sup 11}B(d,nγ){sup 12}C, to perform radiographic analysis of shipping containers. Transmission ratios of multiple monoenergetic gamma lines resulting from several gamma producing nuclear reactions can be employed to detect materials of high atomic number (Z), the details of which will be described in a separate paper. Inherent in this particular nuclear reaction is the production of fast neutrons which could enable neutron radiography and further characterization of the effective-Z of the cargo, especially within the range of lower Z. Previous research efforts focused on the use of total neutron counts in combination with X-ray radiography to characterize the hydrogenous content of the cargo. We present a technique of performing transmitted neutron spectral analysis to reconstruct the effective Z and potentially the density of the cargo. This is made possible by the large differences in the energy dependence of neutron scattering cross-sections between hydrogenous materials and those of higher Z. These dependencies result in harder transmission spectra for hydrogenous cargoes than those of non-hydrogenous cargoes. Such observed differences can then be used to classify the cargo based on its hydrogenous content. The studies presented in this paper demonstrate that such techniques are feasible and can provide a contribution to cargo security, especially when used in concert with gamma radiography.

  19. The Social Dimensions of Sustainability and Change in Diversified Farming Systems

    Directory of Open Access Journals (Sweden)

    Christopher M. Bacon

    2012-12-01

    Full Text Available Agricultural systems are embedded in wider social-ecological processes that must be considered in any complete discussion of sustainable agriculture. Just as climatic profiles will influence the future viability of crops, institutions, i.e., governance agreements, rural household and community norms, local associations, markets, and agricultural ministries, to name but a few, create the conditions that foster sustainable food systems. Because discussions of agricultural sustainability often overlook the full range of social dimensions, we propose a dual focus on a broad set of criteria, i.e., human health, labor, democratic participation, resiliency, biological and cultural diversity, equity, and ethics, to assess social outcomes, and on institutions that could support diversified farming systems (DFS. A comparative analysis of case studies from California's Central Valley, Mesoamerican coffee agroforestry systems, and European Union agricultural parks finds that DFS practices are unevenly adopted within and among these systems and interdependent with institutional environments that specifically promote diversified farming practices. Influential institutions in these cases include state policies, farmers' cooperatives/associations, and organized civic efforts to influence agroenvironmental policy, share knowledge, and shape markets for more 'sustainable' products. The Californian and Mesoamerican cases considers organic and fair trade certifications, finding that although they promote several DFS practices and generate social benefits, they are inadequate as a single strategy to promote agricultural sustainability. The complex governance and multifunctional management of Europe's peri-urban agricultural parks show unexpected potential for promoting DFS. Unless DFS are anchored in supportive institutions and evaluated against an inclusive set of social and environmental criteria, short-term investments to advance diversified agriculture could

  20. From income to capital breeding: when diversified strategies sustain species coexistence.

    Directory of Open Access Journals (Sweden)

    Pierre-François Pélisson

    Full Text Available There is empirical evidence of many diversified ways for energy to be acquired and allocated to reproduction, notably with strategies ranging from strict income breeding (females fueling their gametes with energy gained concomitantly during reproduction to strict capital breeding (females storing nutrients prior reproduction. Until now, the question of whether diversification of these strategies might impact the way communities are organized has not been considered. Here, we suggest that diversified resource allocation strategies among competing species may contribute to their coexistence. We examined this hypothesis by focusing on communities composed of four phytophagous insect species that coexist and compete for egg-laying sites. From wild-caught females, we determined precisely the breeding period of each species and we described their resource acquisition and allocation to reproduction dynamics. We quantified in each species the total amount of larval energy stored by newly-emerging females and then monitored the total energy budget of females caught in the field before and throughout their breeding period. We found that the four sibling weevil species are markedly segregated along the income-capital-breeding continuum, which is correlated with clear time partitioning in their laying activity. Our results suggest that diversified resource allocation strategies might contribute to time partitioning of plant resources exploitation and thus indirectly to their coexistence. This work should further encourage studies examining the extent to which competitive coexistence might be affected by diversification of income-capital breeding strategies together with the intensity of interspecific competition, and considering the divergent evolution of these strategies.

  1. Diversified cropping systems support greater microbial cycling and retention of carbon and nitrogen

    Energy Technology Data Exchange (ETDEWEB)

    King, Alison E.; Hofmockel, Kirsten S.

    2017-03-01

    Diversifying biologically simple cropping systems often entails altering other management practices, such as tillage regime or nitrogen (N) source. We hypothesized that the interaction of crop rotation, N source, and tillage in diversified cropping systems would promote microbially-mediated soil C and N cycling while attenuating inorganic N pools. We studied a cropping systems trial in its 10th year in Iowa, USA, which tested a 2-yr cropping system of corn (Zea mays L.)/soybean [Glycine max (L.) Merr.] managed with conventional fertilizer N inputs and conservation tillage, a 3-yr cropping system of corn/soybean/small grain + red clover (Trifolium pratense L.), and a 4-yr cropping system of corn/soybean/small grain + alfalfa (Medicago sativa L.)/alfalfa. Three year and 4-yr cropping systems were managed with composted manure, reduced N fertilizer inputs, and periodic moldboard ploughing. We assayed soil microbial biomass carbon (MBC) and N (MBN), soil extractable NH4 and NO3, gross proteolytic activity of native soil, and potential activity of six hydrolytic enzymes eight times during the growing season. At the 0-20cm depth, native protease activity in the 4-yr cropping system was greater than in the 2-yr cropping system by a factor of 7.9, whereas dissolved inorganic N pools did not differ between cropping systems (P = 0.292). At the 0-20cm depth, MBC and MBN the 4-yr cropping system exceeded those in the 2-yr cropping system by factors of 1.51 and 1.57. Our findings suggest that diversified crop cropping systems, even when periodically moldboard ploughed, support higher levels of microbial biomass, greater production of bioavailable N from SOM, and a deeper microbially active layer than less diverse cropping systems.

  2. Diversified Investments, Market Returns and Low Transaction Costs: Which is the Best Combination of these Factors?

    Directory of Open Access Journals (Sweden)

    Jose M. Ventura

    2000-08-01

    Full Text Available The article presents a way to build a diversified portfolio at a cost lower than what most investment service firms and advisors can provide through active fund management. The investment strategy presented consists of selecting the Index that is appropriate for the investment aims and investing the portfolio based on the mix of different indexes that reflect the investor's goal. Since index investing by definition does not select any other security than the one in the index and has to be purchased in the proportion reflected in the index, stock selection is straightforward and management fees are at a low level or even beat the minimum, if competition works.

  3. Maximizing lipocalin prediction through balanced and diversified training set and decision fusion.

    Science.gov (United States)

    Nath, Abhigyan; Subbiah, Karthikeyan

    2015-12-01

    Lipocalins are short in sequence length and perform several important biological functions. These proteins are having less than 20% sequence similarity among paralogs. Experimentally identifying them is an expensive and time consuming process. The computational methods based on the sequence similarity for allocating putative members to this family are also far elusive due to the low sequence similarity existing among the members of this family. Consequently, the machine learning methods become a viable alternative for their prediction by using the underlying sequence/structurally derived features as the input. Ideally, any machine learning based prediction method must be trained with all possible variations in the input feature vector (all the sub-class input patterns) to achieve perfect learning. A near perfect learning can be achieved by training the model with diverse types of input instances belonging to the different regions of the entire input space. Furthermore, the prediction performance can be improved through balancing the training set as the imbalanced data sets will tend to produce the prediction bias towards majority class and its sub-classes. This paper is aimed to achieve (i) the high generalization ability without any classification bias through the diversified and balanced training sets as well as (ii) enhanced the prediction accuracy by combining the results of individual classifiers with an appropriate fusion scheme. Instead of creating the training set randomly, we have first used the unsupervised Kmeans clustering algorithm to create diversified clusters of input patterns and created the diversified and balanced training set by selecting an equal number of patterns from each of these clusters. Finally, probability based classifier fusion scheme was applied on boosted random forest algorithm (which produced greater sensitivity) and K nearest neighbour algorithm (which produced greater specificity) to achieve the enhanced predictive performance

  4. Impact of Organic Amendments on Global Warming Potential of Diversified Tropical Rice Rotation Systems

    Science.gov (United States)

    Janz, B.; Weller, S.; Kraus, D.; Wassmann, R.; Butterbach-Bahl, K.; Ralf, K.

    2017-12-01

    Paddy rice cultivation is increasingly challenged by irrigation water scarcity, which is forcing farmers to change traditional rice cultivation from flooded double-rice systems to the introduction of well-aerated upland crops during dry season. Emissions of methane (CH4) are expected to decrease, while there is a risk of increasing emissions of nitrous oxide (N2O) and decreasing soil organic carbon (SOC) stocks through volatilization in the form of carbon dioxide (CO2). We present a unique dataset of long-term continuous greenhouse gas emission measurements (CH4 and N2O) in the Philippines to assess global warming potentials (GWP) of diversified rice crop rotations including different field management practices such as straw residue application and legume intercropping. Since 2012, more than four years of CH4 and N2O emissions in double-rice cropping (R-R) and paddy rice rotations diversified with either maize (R-M) or aerobic rice (R-A) during dry season have been collected. Introduction of upland crops reduced irrigation water use and CH4 emissions by 66-81% and 95-99%, respectively. Although dry season N2O emissions increased twice- to threefold in the diversified systems, the strong reduction of CH4 led to a significantly lower annual GWP (CH4 + N2O) as compared to the traditional R-R system. Diversified crop management practices were first implemented during land-preparation for dry season 2015 where i) 6 t/ha rice straw was returned to the field and ii) mungbean was grown as a cover-crop between dry and wet season in addition to rice straw application. The input of organic material (straw and mungbean) led to higher substrate availability for methanogens during the following season. Therefore, GWP was 9-39% higher following straw incorporation than the control treatment. This increase was mainly driven by additional CH4 emissions. Even more, mungbean intercropping further increased GWPs, whereby the increment was highest in R-R rotation (88%) and lowest in R

  5. Organizational Relationship Termination Competence

    DEFF Research Database (Denmark)

    Ritter, Thomas; Geersbro, Jens

    2011-01-01

    Most firms are involved in a number of customer relationships that drain the firm's resources. However, many firms are hesitant to address this problem. This paper investigates customer relationship termination at the organizational level. We develop and analyze the organizational dimensions...... that a firm's percentage of unwanted customers decreases significantly as acceptance of termination increases, if the firm's definition of unwanted customers is well understood, and if a firm has clear termination routines. In addition, general focus on profitability and external constraints on relationship...... termination are found to significantly affect a firm's relationship termination competence. The findings suggest that managers should regard termination as a legitimate option in customer relationship management. In order to decrease the number of unwanted customers, managers must accept termination...

  6. Optimisation of key performance measures in air cargo demand management

    Directory of Open Access Journals (Sweden)

    Alexander May

    2014-03-01

    Full Text Available This article sought to facilitate the optimisation of key performance measures utilised for demand management in air cargo operations. The focus was on the Revenue Management team at Virgin Atlantic Cargo and a fuzzy group decision-making method was used. Utilising intelligent fuzzy multi-criteria methods, the authors generated a ranking order of ten key outcome-based performance indicators for Virgin Atlantic air cargo Revenue Management. The result of this industry-driven study showed that for Air Cargo Revenue Management, ‘Network Optimisation’ represents a critical outcome-based performance indicator. This collaborative study contributes to existing logistics management literature, especially in the area of Revenue Management, and it seeks to enhance Revenue Management practice. It also provides a platform for Air Cargo operators seeking to improve reliability values for their key performance indicators as a means of enhancing operational monitoring power.

  7. Structural basis for cargo binding and autoinhibition of Bicaudal-D1 by a parallel coiled-coil with homotypic registry

    International Nuclear Information System (INIS)

    Terawaki, Shin-ichi; Yoshikane, Asuka; Higuchi, Yoshiki; Wakamatsu, Kaori

    2015-01-01

    Bicaudal-D1 (BICD1) is an α-helical coiled-coil protein mediating the attachment of specific cargo to cytoplasmic dynein. It plays an essential role in minus end-directed intracellular transport along microtubules. The third C-terminal coiled-coil region of BICD1 (BICD1 CC3) has an important role in cargo sorting, including intracellular vesicles associating with the small GTPase Rab6 and the nuclear pore complex Ran binding protein 2 (RanBP2), and inhibiting the association with cytoplasmic dynein by binding to the first N-terminal coiled-coil region (CC1). The crystal structure of BICD1 CC3 revealed a parallel homodimeric coiled-coil with asymmetry and complementary knobs-into-holes interactions, differing from Drosophila BicD CC3. Furthermore, our binding study indicated that BICD1 CC3 possesses a binding surface for two distinct cargos, Rab6 and RanBP2, and that the CC1-binding site overlaps with the Rab6-binding site. These findings suggest a molecular basis for cargo recognition and autoinhibition of BICD proteins during dynein-dependent intracellular retrograde transport. - Highlights: • BICD1 CC3 is a parallel homodimeric coiled-coil with axial asymmetry. • The coiled-coil packing of BICD1 CC3 is adapted to the equivalent heptad position. • BICD1 CC3 has distinct binding sites for two classes of cargo, Rab6 and RanBP2. • The CC1-binding site of BICD1 CC3 overlaps with the Rab6-binding site

  8. Structural basis for cargo binding and autoinhibition of Bicaudal-D1 by a parallel coiled-coil with homotypic registry

    Energy Technology Data Exchange (ETDEWEB)

    Terawaki, Shin-ichi, E-mail: terawaki@gunma-u.ac.jp [Graduate School of Science and Technology, Gunma University, 1-5-1 Tenjin-cho, Kiryu, Gunma 376-8515 (Japan); SPring-8 Center, RIKEN, 1-1-1 Koto, Sayo-cho, Sayo-gun, Hyogo 679-5148 (Japan); Yoshikane, Asuka [Graduate School of Science and Technology, Gunma University, 1-5-1 Tenjin-cho, Kiryu, Gunma 376-8515 (Japan); SPring-8 Center, RIKEN, 1-1-1 Koto, Sayo-cho, Sayo-gun, Hyogo 679-5148 (Japan); Higuchi, Yoshiki [Department of Life Science, Graduate School of Life Science, University of Hyogo, 3-2-1 Koto, Kamigori-cho, Ako-gun, Hyogo 678-1297 (Japan); Department of Picobiology, Graduate School of Life Science, University of Hyogo, 3-2-1 Koto, Kamigori-cho, Ako-gun, Hyogo 678-1297 (Japan); SPring-8 Center, RIKEN, 1-1-1 Koto, Sayo-cho, Sayo-gun, Hyogo 679-5148 (Japan); Wakamatsu, Kaori [Graduate School of Science and Technology, Gunma University, 1-5-1 Tenjin-cho, Kiryu, Gunma 376-8515 (Japan); SPring-8 Center, RIKEN, 1-1-1 Koto, Sayo-cho, Sayo-gun, Hyogo 679-5148 (Japan)

    2015-05-01

    Bicaudal-D1 (BICD1) is an α-helical coiled-coil protein mediating the attachment of specific cargo to cytoplasmic dynein. It plays an essential role in minus end-directed intracellular transport along microtubules. The third C-terminal coiled-coil region of BICD1 (BICD1 CC3) has an important role in cargo sorting, including intracellular vesicles associating with the small GTPase Rab6 and the nuclear pore complex Ran binding protein 2 (RanBP2), and inhibiting the association with cytoplasmic dynein by binding to the first N-terminal coiled-coil region (CC1). The crystal structure of BICD1 CC3 revealed a parallel homodimeric coiled-coil with asymmetry and complementary knobs-into-holes interactions, differing from Drosophila BicD CC3. Furthermore, our binding study indicated that BICD1 CC3 possesses a binding surface for two distinct cargos, Rab6 and RanBP2, and that the CC1-binding site overlaps with the Rab6-binding site. These findings suggest a molecular basis for cargo recognition and autoinhibition of BICD proteins during dynein-dependent intracellular retrograde transport. - Highlights: • BICD1 CC3 is a parallel homodimeric coiled-coil with axial asymmetry. • The coiled-coil packing of BICD1 CC3 is adapted to the equivalent heptad position. • BICD1 CC3 has distinct binding sites for two classes of cargo, Rab6 and RanBP2. • The CC1-binding site of BICD1 CC3 overlaps with the Rab6-binding site.

  9. Nurturing Diversified Farming Systems in Industrialized Countries: How Public Policy Can Contribute

    Directory of Open Access Journals (Sweden)

    Alastair Iles

    2012-12-01

    Full Text Available If diversified farming systems (DFS are to thrive again in the United States, policies and preferences must evolve to reward the environmental and social benefits of sustainable farming and landscape management. Compared with conventional agricultural policies, policies aiding ecological diversification are underdeveloped and fragmented. We consider several examples of obstacles to the adoption and spread of diversified farming practices in the U.S. industrialized agricultural system. These include the broader political economic context of industrialized agriculture, the erosion of farmer knowledge and capacity, and supply chain and marketing conditions that limit the ability of farmers to adopt sustainable practices. To overcome these obstacles and nurture DFS, policy makers, researchers, industry, farmers, consumers, and local communities can play pivotal roles to transform agricultural research, develop peer-to-peer learning processes, support the recruitment and retention of new farmers through access to credit and land, invest in improved agricultural conservation programs, provide compensation for provision of ecological services in working landscapes, and develop links to consumer and institutional markets.

  10. 46 CFR 151.05-2 - Compliance with requirements for tank barges carrying benzene and benzene containing cargoes, or...

    Science.gov (United States)

    2010-10-01

    ... benzene and benzene containing cargoes, or butyl acrylate cargoes. 151.05-2 Section 151.05-2 Shipping... Compliance with requirements for tank barges carrying benzene and benzene containing cargoes, or butyl acrylate cargoes. A tank barge certificated to carry benzene and benzene containing cargoes or butyl...

  11. Reducing Mission Logistics with Multipurpose Cargo Transfer Bags

    Science.gov (United States)

    Baccus, Shelley; Broyan, James Lee, Jr.; Borrego, Melissa

    2016-01-01

    The Logistics Reduction (LR) project within Advanced Exploration Systems (AES) is tasked with reducing logistical mass and repurposing logistical items. Multipurpose Cargo Transfer Bags (MCTB) have been designed such that they can serve the same purpose as a Cargo Transfer Bag (CTB), the common logistics carrying bag for the International Space Station (ISS). After use as a cargo carrier, a regular CTB becomes trash, whereas the MCTB can be unfolded into a flat panel for reuse. Concepts and potential benefits for various MCTB applications will be discussed including partitions, crew quarters, solar radiation storm shelters, acoustic blankets, and forward osmosis water processing. Acoustic MCTBs are currently in use on ISS to reduce the noise generated by the T2 treadmill, which reaches the hazard limit at high speeds. The development of the AMCTB included identification of keep-out zones, acoustic properties, deployment considerations, and structural testing. Features developed for these considerations are applicable to MCTBs for all crew outfitting applications.

  12. Multipurpose Cargo Transfer Bags fro Reducing Exploration Mission Logistics

    Science.gov (United States)

    Baccus, Shelley; Broyan, James Lee, Jr.; Borrego, Melissa

    2016-01-01

    The Logistics Reduction (LR) project within the Advanced Exploration Systems (AES) division is tasked with reducing logistical mass and repurposing logistical items. Multipurpose Cargo Transfer Bags (MCTB) have been designed such that they can serve the same purpose as a Cargo Transfer Bag (CTB), the common logistics carrying bag for the International Space Station (ISS). After use as a cargo carrier, a regular CTB becomes trash, whereas the MCTB can be unfolded into a flat panel for reuse. Concepts and potential benefits for various MCTB applications will be discussed including partitions, crew quarters, solar radiation storm shelters, acoustic blankets, and forward osmosis water processing. Acoustic MCTBs are currently in use on ISS to reduce the noise generated by the T2 treadmill, which reaches the hazard limit at high speeds. The development of the AMCTB included identification of keep out zones, acoustic properties, deployment considerations, and structural testing. Features developed for these considerations are applicable to MCTBs for all crew outfitting applications.

  13. Shared Value Potential of Transporting Cargo via Hyperloop

    Directory of Open Access Journals (Sweden)

    Max Werner

    2016-08-01

    Full Text Available This research estimates the shared value created by constructing a hypothetical Hyperloop to transport cargo along 300 km in Northern Germany. Following Porter-Kramer (2011, we identified and evaluated eight factors that create shared value: travel speed, operating costs, safety, noise pollution, air pollution, climate effect/carbon footprint, separation effect/ property efficiency, and maintenance. Using official data compiled by several German institutes and organizations, we conducted comparative analysis to quantify and compare the abovementioned factors for Hyperloop and over-the-road cargo transport in Germany. Then, we monetized the individual and collective benefits of the shared value created by Hyperloop replacing a significant share of cargo transported by truck. Our findings indicate that the hypothetical Hyperloop project in Northern Germany would create €660 to €900 million of shared value annually. Our research method establishes a framework for assessing future transportation projects like Hyperloop, and our findings can be generalized to industrialized nations beyond Germany.

  14. A matheuristic for the Cargo Mix Problem with Block Stowage

    DEFF Research Database (Denmark)

    Christensen, Jonas Mark; Pacino, Dario

    2017-01-01

    The cargo-mix problem aims at selecting the amount of containers of a given type to load on a vessel. In this article we present an extended definition that includes the analysis of a circular route with draft restrictions, limitations on expected cargo and the use of a block stowage strategy....... A compact formulation of the problem based on the state-of-the-art heuristic decomposition is shown not to be able to solve the extended problem, thus a matheuristic approach is presented that can achieve high quality results in a matter of seconds....

  15. SHIP AND CARGO MORTGAGE, TWO DIFFERENT LEGAL VIEWPOINTS

    Directory of Open Access Journals (Sweden)

    Mohammad Abouata

    2015-05-01

    Full Text Available Although the subject-matter of cargo and ship mortgage are similar (providing financial security for creditors,the regulations of these contracts, differ from each other essentially with regard to the conditionality of taking possession in concluding the contract, the possibility of endorsement and cession in mortgage document, the creditor s kind of real right ,the preference of prior or latter creditor in vindication of right and the effect of mortgage loss on the contract and the possibility of recovery of claim. Moreover the cargo mortgage regulations are, in some regards and aspects, contrary to general legal rules and hence subject to criticism.

  16. CONTAINER TERMINALS IN EUROPE

    Directory of Open Access Journals (Sweden)

    Bart W. WIEGMANS

    2001-01-01

    Full Text Available This paper aims to address the linkage between logistics (in particular, the management of marketing channel flows and transport markets, while also the interaction between these two markets and intermodal container terminals is analysed. The marketing channel theory is used to describe all relevant actors and flows that run through marketing channels, starting with customer needs and ending with customer satisfaction. Porter's theory of competitive advantages is used to review competitive forces in both markets. Finally, a competitor analysis is performed for the logistics and transport market. These theories are applied so as to be able to determine the competitive position of intermodal container terminals with a view to the management of marketing channel flows and the physical transport of freight flows. Hence, the central question of this paper is: Which markets are served by intermodal container terminals and with whom are they competing? At present, neither the maritime container terminals nor the continental container terminals appear to have a significant influence in the logistics service market; they concentrate mainly on the physical movement of containers (transshipment. Furthermore, maritime container terminals and continental container terminals are not dominant players in the transport service market. Our conclusion is that continental terminals are predominantly competing with unimodal road transport, with neighbouring continental terminals and with barge transport companies.

  17. Study on diversified cultivation orientation and pattern of optoelectronic major undergraduates

    Science.gov (United States)

    Liu, Zhiying

    2017-08-01

    To improve the research quality preparation for graduate study and looking for job competition ability of undergraduates students, the education orientation objective need to be explicit. Universities need develop undergraduates' cultivation plan according to students' classification. Based on analysis of students export characteristic, there will be corresponding cultivation plan. Keep tracking study during the cultivation plan implantation process, the Curriculum system and related manage documents are revised corresponding to exist problems. There are mainly three kinds of undergraduates' career direction plan for opto-electronic major undergraduates. In addition to the vast majority university graduates opting for direct employment, nearly one third of university students choose to take part in the postgraduate entrance exams and other further education abroad, and also one-tenth choose their own businesses, university chooses are diversified. The exports are further studying as graduates, working and study abroad. Because national defense students are also recruited, the cultivation plan will be diversified to four types. For students, who go to work directly after graduation, the "Excellence engineers plan" is implemented to enhance their practice ability. For students, who will study further as graduate student, the scientific innovation research ability cultivation is paid more attention to make good foundation for their subsequent development. For students, who want to study abroad after graduation, the bilingual teaching method is introduced, and the English environment is built. We asked foreign professionals to give lectures for students. The knowledge range is extending, and the exchange and cooperation chance is provided at the same time. And the cultivation plan is revised during docking with Universities abroad. For national defense students, combat training and other defense theory courses are added to make them familiar with force knowledge. And

  18. Genetic structure and evidence of putative Darwinian diversifying selection in the Potato yellow vein virus (PYVV

    Directory of Open Access Journals (Sweden)

    Giovanni Chaves-Bedoya

    2013-08-01

    Full Text Available The population structure and genetic variation of Potato yellow vein virus (PYVV were estimated by analysis of the nucleotide and deduced amino acid sequence of the coat protein of 69 isolates, reported in GenBank, from Solanum tuberosum (ST and Solanum phureja (SP hosts from different regions; predominantly Cundinamarca, Antioquia and Nariño, located in central and southwestern Colombia. Bioinformatics analysis revealed that despite the wide geographic distribution of different hosts and different collecting years, PYVV maintains a genetic similarity between 97.1 to 100.0%, indicating high spatial and temporal genetic stability of the major coat protein. No recombination events were found, but evidence was seen for the first time that this protein could be undergoing Darwinian diversifying selection

  19. Diversifying Food Systems in the Pursuit of Sustainable Food Production and Healthy Diets.

    Science.gov (United States)

    Dwivedi, Sangam L; Lammerts van Bueren, Edith T; Ceccarelli, Salvatore; Grando, Stefania; Upadhyaya, Hari D; Ortiz, Rodomiro

    2017-10-01

    Increasing demand for nutritious, safe, and healthy food because of a growing population, and the pledge to maintain biodiversity and other resources, pose a major challenge to agriculture that is already threatened by a changing climate. Diverse and healthy diets, largely based on plant-derived food, may reduce diet-related illnesses. Investments in plant sciences will be necessary to design diverse cropping systems balancing productivity, sustainability, and nutritional quality. Cultivar diversity and nutritional quality are crucial. We call for better cooperation between food and medical scientists, food sector industries, breeders, and farmers to develop diversified and nutritious cultivars that reduce soil degradation and dependence on external inputs, such as fertilizers and pesticides, and to increase adaptation to climate change and resistance to emerging pests. Copyright © 2017 The Authors. Published by Elsevier Ltd.. All rights reserved.

  20. The European Commission and IEA highlight the importance of diversifying energy sources

    International Nuclear Information System (INIS)

    Anon.

    2008-01-01

    Europe will become more and more dependent on foreign sources for its energy supply because of the growing demand for energy. As a consequence Europe must diversify both its supplying countries and its energy sources. In this way the Nabucco gas pipeline project is important because it will link the Caspian sea to Europe by avoiding Russia, the main gas supplier of Europe. Other sources of energy like renewable energies or nuclear energy or carbon sequestration must be developed in Europe. Another point is to give more power to the European Commission to deal directly with energy exporting countries to get more favourable contracts, till now each member state has favored its own bi-lateral talks. (A.C.)

  1. Holistic review in admissions: a strategy to diversify the nursing workforce.

    Science.gov (United States)

    Scott, Linda D; Zerwic, Julie

    2015-01-01

    Individuals both within and outside the nursing profession have called for more diversity in nursing, from the education arena to the workforce. Implementing initiatives that address diversity and determining their effects have been limited. The University of Illinois at Chicago College of Nursing used the American Association of Medical Colleges Holistic Review Project as a platform to implement a process and paradigm shift for admissions to its nursing programs. We believe that the use of holistic admissions can increase the diversity among nursing students and provide the first step toward a diversified nursing profession. In hopes of assisting other institutions, we describe our experiences with preparing and implementing a holistic admissions process within the context of lessons learned and continued challenges. Furthermore, we hope our efforts will serve as a catalyst for a national dialogue on the use of holistic review as a strategy for the development of a more diverse nursing workforce. Copyright © 2015 Elsevier Inc. All rights reserved.

  2. Diversified and Unusual Presentations of Neck Space Infections: Still a Big Concern for Physicians.

    Science.gov (United States)

    Laskar, Hanifa A; Karim, Habib Md Reazaul; Jamil, Md; Yunus, Mohd; Shunyu, N B

    2015-12-01

    The aim of this clinical study was to find similarities; dissimilarities of neck space infections along with challenges faced by treating physician for their diversified clinical presentations and complications. Patients with neck space infections were compared for the purpose. The classic manifestations of these infections, such as high fever, systemic toxicity, and local signs were not present in all cases leading to dilemma in physician's decision making. They progress towards fatality very fast. Prompt recognition, diagnosis and management of such cases and complications are of paramount importance to reduce morbidity and mortality. In addition to broad spectrum antibiotic therapy along airway protection, surgical drainage is necessary in nearly all cases. Neck space infections still continue to be a well prevalent health problem in poor socioeconomic group in developing countries having significant morbidity as well as mortality.

  3. 78 FR 50134 - Altus Pharmaceuticals, Inc., Blackhawk Capital Group BDC, Inc., Cargo Connection Logistics...

    Science.gov (United States)

    2013-08-16

    ... SECURITIES AND EXCHANGE COMMISSION [File No. 500-1] Altus Pharmaceuticals, Inc., Blackhawk Capital Group BDC, Inc., Cargo Connection Logistics Holding, Inc., Diapulse Corporation of America, Globus... lack of current and accurate information concerning the securities of Cargo Connection Logistics...

  4. 46 CFR 153.297 - Emergency actuators at the point of cargo control.

    Science.gov (United States)

    2010-10-01

    ... DANGEROUS CARGOES SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS Design and Equipment Piping Systems and Cargo Handling Equipment § 153.297 Emergency actuators at the point... Handling Space Ventilation ...

  5. 49 CFR 178.348 - Specification DOT 412; cargo tank motor vehicle.

    Science.gov (United States)

    2010-10-01

    ... 49 Transportation 2 2010-10-01 2010-10-01 false Specification DOT 412; cargo tank motor vehicle... SPECIFICATIONS FOR PACKAGINGS Specifications for Containers for Motor Vehicle Transportation § 178.348 Specification DOT 412; cargo tank motor vehicle. ...

  6. 49 CFR 178.347 - Specification DOT 407; cargo tank motor vehicle.

    Science.gov (United States)

    2010-10-01

    ... 49 Transportation 2 2010-10-01 2010-10-01 false Specification DOT 407; cargo tank motor vehicle... SPECIFICATIONS FOR PACKAGINGS Specifications for Containers for Motor Vehicle Transportation § 178.347 Specification DOT 407; cargo tank motor vehicle. ...

  7. 49 CFR 178.346 - Specification DOT 406; cargo tank motor vehicle.

    Science.gov (United States)

    2010-10-01

    ... 49 Transportation 2 2010-10-01 2010-10-01 false Specification DOT 406; cargo tank motor vehicle... SPECIFICATIONS FOR PACKAGINGS Specifications for Containers for Motor Vehicle Transportation § 178.346 Specification DOT 406; cargo tank motor vehicle. ...

  8. 48 CFR 752.228-9 - Cargo insurance.

    Science.gov (United States)

    2010-10-01

    ... 48 Federal Acquisition Regulations System 5 2010-10-01 2010-10-01 false Cargo insurance. 752.228-9... insurance. As prescribed in 728.313(a), the following preface is to be used preceding the text of the clause at FAR 52.228-9: Preface: To the extent that marine insurance is necessary or appropriate under this...

  9. 19 CFR 4.41 - Cargo of wrecked vessel.

    Science.gov (United States)

    2010-04-01

    ...) Any cargo landed from a vessel wrecked in the waters of the United States or on the high seas shall be... the salvors of merchandise saved from a wreck at sea or on or along a coast of the United States may... laden with merchandise, in whole or in part subject to duty, has been sunk in any river, harbor, bay, or...

  10. 33 CFR 401.69 - Hazardous cargo vessels.

    Science.gov (United States)

    2010-07-01

    ... the following cases: (a) A tanker carrying fuel oil, gasoline, crude oil or other flammable liquids in bulk, having a flashpoint below 61 °C, including a tanker that is not gas free where its previous cargo had a flashpoint below 61 °C; (b) A tanker carrying compressed liquefied gases, bulk acids or...

  11. Screening Cargo Containers to Remove a Terrorist Threat

    International Nuclear Information System (INIS)

    Hazi, A

    2005-01-01

    Each year some 48 million cargo containers move between the world's ports. More than 6 million of these enter the U.S., but only about 2 percent are opened and inspected when they arrive at U.S. seaports. The West Coast ports of Los Angeles-Long Beach, Oakland, and Seattle alone process 11,000 containers per day, or about 8 containers per minute. Because of this high traffic volume, U.S. seaports are especially vulnerable to a terrorist attack. Illicit radioactive materials could be hidden in any one of the cargo-filled containers that arrive at U.S. ports. Yet, searching every shipment would be bring legitimate commercial activities to a halt. Improving security at U.S. ports is thus one of the nation's most difficult technical and practical challenges because the systems developed for screening cargo must operate in concert with ongoing seaport activities. Working at this intersection of commerce and national security, Lawrence Livermore researchers are applying their expertise in radiation science and detection to develop improved technologies for detecting hidden radioactive materials. One new technology being designed and tested at the Laboratory is a neutron interrogation system for cargo containers. This system will quickly screen incoming shipments to ensure that nuclear materials such as plutonium and highly enriched uranium (HEU) are not smuggled into the U.S

  12. Study on Alternative Cargo Launch Options from the Lunar Surface

    Energy Technology Data Exchange (ETDEWEB)

    Cheryl A. Blomberg; Zamir A. Zulkefli; Spencer W. Rich; Steven D. Howe

    2013-07-01

    In the future, there will be a need for constant cargo launches from Earth to Mars in order to build, and then sustain, a Martian base. Currently, chemical rockets are used for space launches. These are expensive and heavy due to the amount of necessary propellant. Nuclear thermal rockets (NTRs) are the next step in rocket design. Another alternative is to create a launcher on the lunar surface that uses magnetic levitation to launch cargo to Mars in order to minimize the amount of necessary propellant per mission. This paper investigates using nuclear power for six different cargo launching alternatives, as well as the orbital mechanics involved in launching cargo to a Martian base from the moon. Each alternative is compared to the other alternative launchers, as well as compared to using an NTR instead. This comparison is done on the basis of mass that must be shipped from Earth, the amount of necessary propellant, and the number of equivalent NTR launches. Of the options, a lunar coil launcher had a ship mass that is 12.7% less than the next best option and 17 NTR equivalent launches, making it the best of the presented six options.

  13. 19 CFR 122.48 - Air cargo manifest.

    Science.gov (United States)

    2010-04-01

    ... 19 Customs Duties 1 2010-04-01 2010-04-01 false Air cargo manifest. 122.48 Section 122.48 Customs Duties U.S. CUSTOMS AND BORDER PROTECTION, DEPARTMENT OF HOMELAND SECURITY; DEPARTMENT OF THE TREASURY AIR COMMERCE REGULATIONS Aircraft Entry and Entry Documents; Electronic Manifest Requirements for Passengers, Crew Members, and Non-Crew Members...

  14. Investigating Block-Copolymer Micelle Dynamics for Tunable Cargo Delivery

    Science.gov (United States)

    Li, Xiuli; Kidd, Bryce; Cooksey, Tyler; Robertson, Megan; Madsen, Louis

    Block-copolymer micelles (BCPMs) can carry molecular cargo in a nanoscopic package that is tunable using polymer structure in combination with cargo properties, as well as with external stimuli such as temperature or pH. For example, BCPMs can be used in targeted anticancer drug delivery due to their biocompatibility, in vivo degradability and prolonged circulation time. We are using NMR spectroscopy and diffusometry as well as SANS to investigate BCPMs. Here we study a diblock poly(ethylene oxide)-b-(caprolactone) (PEO-PCL) that forms spherical micelles at 1% (w/v) in the mixed solvent D2O/THF-d8. We quantify the populations and diffusion coefficients of coexisting micelles and free unimers over a range of temperatures and solvent compositions. We use temperature as a stimulus to enhance unimer exchange and hence trigger cargo release, in some cases at a few degrees above body temperature. We present evidence for dominance of the insertion-expulsion mechanism of unimer exchange in these systems, and we map phase diagrams versus temperature and solvent composition. This study sheds light on how intermolecular interactions fundamentally affect cargo release, unimer exchange, and overall micelle tunability.

  15. Phototriggered cargo release from virus-like assemblies

    NARCIS (Netherlands)

    Brasch, M.; Voets, I.K.; Koay, M.S.T.; Cornelissen, Jeroen Johannes Lambertus Maria

    2013-01-01

    There has been tremendous progress towards the development of responsive polymers that are programmed to respond to an external stimulus such as light, pH and temperature. The unique combination of molecular packaging followed by slow, controlled release of molecular cargo is of particular

  16. Hepatitis Virus Capsid Polymorph Stability Depends on Encapsulated Cargo Size

    NARCIS (Netherlands)

    He, L.; Porterfield, Z.; van der Schoot, P. P. A. M.|info:eu-repo/dai/nl/102140618; Zlotnick, A.; Dragnea, B.

    2013-01-01

    Protein cages providing a controlled environment to encapsulated cargo are a ubiquitous presence in any biological system. Well-known examples are capsids, the regular protein shells of viruses, which protect and deliver the viral genome. Since some virus capsids can be loaded with nongenomic

  17. A consolidation model for cargo-driven intermodal transportation

    NARCIS (Netherlands)

    Behdani, B.; Zuidwijk, R.A.

    2014-01-01

    Accessibility of main sea ports by road has become increasingly difficult due to rapid growth in container throughput. To deal with this challenge, new ways for handling containers and distribution of cargo flows are needed to define and implement. One possibility is going beyond container

  18. Mars Hybrid Propulsion System Trajectory Analysis. Part II; Cargo Missions

    Science.gov (United States)

    Chai, Patrick R.; Merrill, Raymond G.; Qu, Min

    2015-01-01

    NASA's Human Spaceflight Architecture Team is developing a reusable hybrid transportation architecture in which both chemical and electric propulsion systems are used to send crew and cargo to Mars destinations such as Phobos, Deimos, the surface of Mars, and other orbits around Mars. By combining chemical and electrical propulsion into a single spaceship and applying each where it is more effective, the hybrid architecture enables a series of Mars trajectories that are more fuel-efficient than an all chemical architecture without significant increases in flight times. This paper shows the feasibility of the hybrid transportation architecture to pre-deploy cargo to Mars and Phobos in support of the Evolvable Mars Campaign crew missions. The analysis shows that the hybrid propulsion stage is able to deliver all of the current manifested payload to Phobos and Mars through the first three crew missions. The conjunction class trajectory also allows the hybrid propulsion stage to return to Earth in a timely fashion so it can be reused for additional cargo deployment. The 1,100 days total trip time allows the hybrid propulsion stage to deliver cargo to Mars every other Earth-Mars transit opportunity. For the first two Mars surface mission in the Evolvable Mars Campaign, the short trip time allows the hybrid propulsion stage to be reused for three round-trip journeys to Mars, which matches the hybrid propulsion stage's designed lifetime for three round-trip crew missions to the Martian sphere of influence.

  19. 33 CFR 104.275 - Security measures for handling cargo.

    Science.gov (United States)

    2010-07-01

    ... SECURITY MARITIME SECURITY MARITIME SECURITY: VESSELS Vessel Security Requirements § 104.275 Security...) Maritime Security (MARSEC) Level 1. At MARSEC Level 1, the vessel owner or operator must ensure the..., container, or other cargo transport units are loaded; (3) Intensifying screening of vehicles to be loaded on...

  20. Transportation of Nanoscale Cargoes by Myosin Propelled Actin Filaments

    NARCIS (Netherlands)

    Persson, Malin; Gullberg, Maria; Tolf, Conny; Lindberg, A. Michael; Mansson, Alf; Kocer, Armagan

    2013-01-01

    Myosin II propelled actin filaments move ten times faster than kinesin driven microtubules and are thus attractive candidates as cargo-transporting shuttles in motor driven lab-on-a-chip devices. In addition, actomyosin-based transportation of nanoparticles is useful in various fundamental studies.

  1. Technical means overview of the oversize cargoes customs control

    Directory of Open Access Journals (Sweden)

    Dukhnitskiy P.S.

    2016-11-01

    Full Text Available this article focuses on the technical means used by the customs authorities when they control oversize cargoes. Customs inspection efficiency improvement as one of the main forms of customs control during the implementation of sampling is possible by the use of technical means of customs control.

  2. Technical means overview of the oversize cargoes customs control

    OpenAIRE

    Dukhnitskiy P.S.

    2016-01-01

    this article focuses on the technical means used by the customs authorities when they control oversize cargoes. Customs inspection efficiency improvement as one of the main forms of customs control during the implementation of sampling is possible by the use of technical means of customs control.

  3. Bicaudal-D: Switching motors, cargo and direction

    NARCIS (Netherlands)

    G.D. Splinter (Daniël)

    2008-01-01

    textabstractScope of this thesis Transport of vesicles and organelles is an essential cellular process. Proteins like Rab GTPases, specialized adaptor proteins and motor proteins are involved in targeting and movement of cargos to their destination. This thesis describes the function of the

  4. Intraflagellar transport: mechanisms of motor action, cooperation, and cargo delivery

    NARCIS (Netherlands)

    Prevo, Bram; Scholey, Jonathan M.; Peterman, Erwin J. G.

    Intraflagellar transport (IFT) is a form of motor-dependent cargo transport that is essential for the assembly, maintenance, and length control of cilia, which play critical roles in motility, sensory reception, and signal transduction in virtually all eukaryotic cells. During IFT, anterograde

  5. 46 CFR 153.955 - Warning signs during cargo transfer.

    Science.gov (United States)

    2010-10-01

    ... to a dock or at anchor in port, the master shall ensure that the tankship displays a warning sign at... Cargo. (3) No Visitors. (4) No Smoking. (5) No Open Lights. (c) Each letter must be block style, black on a white background. (d) Each letter must: (1) Be 7.5 cm (approx. 3 in.) high; (2) Be 5 cm (approx...

  6. Genome-wide signatures of population bottlenecks and diversifying selection in European wolves.

    Science.gov (United States)

    Pilot, M; Greco, C; vonHoldt, B M; Jędrzejewska, B; Randi, E; Jędrzejewski, W; Sidorovich, V E; Ostrander, E A; Wayne, R K

    2014-04-01

    Genomic resources developed for domesticated species provide powerful tools for studying the evolutionary history of their wild relatives. Here we use 61K single-nucleotide polymorphisms (SNPs) evenly spaced throughout the canine nuclear genome to analyse evolutionary relationships among the three largest European populations of grey wolves in comparison with other populations worldwide, and investigate genome-wide effects of demographic bottlenecks and signatures of selection. European wolves have a discontinuous range, with large and connected populations in Eastern Europe and relatively smaller, isolated populations in Italy and the Iberian Peninsula. Our results suggest a continuous decline in wolf numbers in Europe since the Late Pleistocene, and long-term isolation and bottlenecks in the Italian and Iberian populations following their divergence from the Eastern European population. The Italian and Iberian populations have low genetic variability and high linkage disequilibrium, but relatively few autozygous segments across the genome. This last characteristic clearly distinguishes them from populations that underwent recent drastic demographic declines or founder events, and implies long-term bottlenecks in these two populations. Although genetic drift due to spatial isolation and bottlenecks seems to be a major evolutionary force diversifying the European populations, we detected 35 loci that are putatively under diversifying selection. Two of these loci flank the canine platelet-derived growth factor gene, which affects bone growth and may influence differences in body size between wolf populations. This study demonstrates the power of population genomics for identifying genetic signals of demographic bottlenecks and detecting signatures of directional selection in bottlenecked populations, despite their low background variability.

  7. Starvation can diversify the population structure and virulence strategies of an environmentally transmitting fish pathogen.

    Science.gov (United States)

    Sundberg, Lotta-Riina; Kunttu, Heidi M T; Valtonen, E Tellervo

    2014-03-14

    Generalist bacterial pathogens, with the ability for environmental survival and growth, often face variable conditions during their outside-host period. Abiotic factors (such as nutrient deprivation) act as selection pressures for bacterial characteristics, but their effect on virulence is not entirely understood. "Sit and wait" hypothesis expects that long outside-host survival selects for increased virulence, but maintaining virulence in the absence of hosts is generally expected to be costly if active investments are needed. We analysed how long term starvation influences bacterial population structure and virulence of an environmentally transmitting fish pathogen Flavobacterium columnare. F. columnare populations in distilled water and in lake water were monitored for 5 months. During the experiment, the population structure of F. columnare diversified by rough and soft colony morphotypes appearing among the ancestral rhizoid ones. After 5 months starvation in lake water, the virulence of the starved and ancestral bacterial isolates was tested. The starved rhizoid isolates had significantly higher virulence than the ancestral rhizoid, whereas the virulence of the rough isolates was low. We suggest that F. columnare population diversification is an adaptation to tolerate unpredictable environment, but may also have other biological significance. Maintaining and increasing virulence ensures efficient invasion into the host especially under circumstances when the host density is low or the outside-host period is long. Changing from rhizoid into a rough morphotype has trade-offs in making bacteria less virulent and unable to exploit the host, but may ensure bacterial survival under unpredictable conditions. Our study gives an example how abiotic selection can diversify virulence of environmentally transmitting bacterial pathogen.

  8. Diversified Farming Systems: An Agroecological, Systems-based Alternative to Modern Industrial Agriculture

    Directory of Open Access Journals (Sweden)

    Claire Kremen

    2012-12-01

    Full Text Available This Special Issue on Diversified Farming Systems is motivated by a desire to understand how agriculture designed according to whole systems, agroecological principles can contribute to creating a more sustainable, socially just, and secure global food system. We first define Diversified Farming Systems (DFS as farming practices and landscapes that intentionally include functional biodiversity at multiple spatial and/or temporal scales in order to maintain ecosystem services that provide critical inputs to agriculture, such as soil fertility, pest and disease control, water use efficiency, and pollination. We explore to what extent DFS overlap or are differentiated from existing concepts such as sustainable, multifunctional, organic or ecoagriculture. DFS are components of social-ecological systems that depend on certain combinations of traditional and contemporary knowledge, cultures, practices, and governance structures. Further, as ecosystem services are generated and regenerated within a DFS, the resulting social benefits in turn support the maintenance of the DFS, enhancing its ability to provision these services sustainably. We explore how social institutions, particularly alternative agri-food networks and agrarian movements, may serve to promote DFS approaches, but note that such networks and movements have other primary goals and are not always explicitly connected to the environmental and agroecological concerns embodied within the DFS concept. We examine global trends in agriculture to investigate to what extent industrialized forms of agriculture are replacing former DFS, assess the current and potential contributions of DFS to food security, food sovereignty and the global food supply, and determine where and under what circumstances DFS are expanding rather than contracting.

  9. Phytoplankton can actively diversify their migration strategy in response to turbulent cues

    Science.gov (United States)

    Sengupta, Anupam; Carrara, Francesco; Stocker, Roman

    2017-03-01

    Marine phytoplankton inhabit a dynamic environment where turbulence, together with nutrient and light availability, shapes species fitness, succession and selection. Many species of phytoplankton are motile and undertake diel vertical migrations to gain access to nutrient-rich deeper layers at night and well-lit surface waters during the day. Disruption of this migratory strategy by turbulence is considered to be an important cause of the succession between motile and non-motile species when conditions turn turbulent. However, this classical view neglects the possibility that motile species may actively respond to turbulent cues to avoid layers of strong turbulence. Here we report that phytoplankton, including raphidophytes and dinoflagellates, can actively diversify their migratory strategy in response to hydrodynamic cues characteristic of overturning by Kolmogorov-scale eddies. Upon experiencing repeated overturning with timescales and statistics representative of ocean turbulence, an upward-swimming population rapidly (5-60 min) splits into two subpopulations, one swimming upward and one swimming downward. Quantitative morphological analysis of the harmful-algal-bloom-forming raphidophyte Heterosigma akashiwo together with a model of cell mechanics revealed that this behaviour was accompanied by a modulation of the cells’ fore-aft asymmetry. The minute magnitude of the required modulation, sufficient to invert the preferential swimming direction of the cells, highlights the advanced level of control that phytoplankton can exert on their migratory behaviour. Together with observations of enhanced cellular stress after overturning and the typically deleterious effects of strong turbulence on motile phytoplankton, these results point to an active adaptation of H. akashiwo to increase the chance of evading turbulent layers by diversifying the direction of migration within the population, in a manner suggestive of evolutionary bet-hedging. This migratory

  10. Phytoplankton can actively diversify their migration strategy in response to turbulent cues.

    Science.gov (United States)

    Sengupta, Anupam; Carrara, Francesco; Stocker, Roman

    2017-03-23

    Marine phytoplankton inhabit a dynamic environment where turbulence, together with nutrient and light availability, shapes species fitness, succession and selection. Many species of phytoplankton are motile and undertake diel vertical migrations to gain access to nutrient-rich deeper layers at night and well-lit surface waters during the day. Disruption of this migratory strategy by turbulence is considered to be an important cause of the succession between motile and non-motile species when conditions turn turbulent. However, this classical view neglects the possibility that motile species may actively respond to turbulent cues to avoid layers of strong turbulence. Here we report that phytoplankton, including raphidophytes and dinoflagellates, can actively diversify their migratory strategy in response to hydrodynamic cues characteristic of overturning by Kolmogorov-scale eddies. Upon experiencing repeated overturning with timescales and statistics representative of ocean turbulence, an upward-swimming population rapidly (5-60 min) splits into two subpopulations, one swimming upward and one swimming downward. Quantitative morphological analysis of the harmful-algal-bloom-forming raphidophyte Heterosigma akashiwo together with a model of cell mechanics revealed that this behaviour was accompanied by a modulation of the cells' fore-aft asymmetry. The minute magnitude of the required modulation, sufficient to invert the preferential swimming direction of the cells, highlights the advanced level of control that phytoplankton can exert on their migratory behaviour. Together with observations of enhanced cellular stress after overturning and the typically deleterious effects of strong turbulence on motile phytoplankton, these results point to an active adaptation of H. akashiwo to increase the chance of evading turbulent layers by diversifying the direction of migration within the population, in a manner suggestive of evolutionary bet-hedging. This migratory behaviour

  11. Mappings of terminal continua

    Directory of Open Access Journals (Sweden)

    Janusz J. Charatonik

    2002-01-01

    Full Text Available The concept of a terminal continuum introduced in 1973 by G. R. Gordh Jr., for hereditarily unicoherent continua is extended to arbitrary continua. Mapping properties of these two concepts are investigated. Especially the invariance of terminality under mappings satisfying some special conditions is studied. In particular, we conclude that the invariance holds for atomic mappings.

  12. Managing terminal restlessness

    African Journals Online (AJOL)

    Repro

    compounded by the memory of unre- lieved suffering. ... progressive impairment of memory, judge- ment and thinking. ... of palliative sedation for refractory symp- toms in dying patients. Managing terminal restlessness. Terminal restlessness presents many challenges, not least recognition of the problem and its. c a u s e s .

  13. 46 CFR 30.10-5a - Cargo area-TB/ALL.

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 1 2010-10-01 2010-10-01 false Cargo area-TB/ALL. 30.10-5a Section 30.10-5a Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY TANK VESSELS GENERAL PROVISIONS Definitions § 30.10-5a Cargo area—TB/ALL. The term cargo area means that part of a vessel that includes the cargo tanks and...

  14. 46 CFR 154.650 - Cargo tank and process pressure vessel welding.

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 5 2010-10-01 2010-10-01 false Cargo tank and process pressure vessel welding. 154.650... Equipment Construction § 154.650 Cargo tank and process pressure vessel welding. (a) Cargo tank and process pressure vessel welding must meet Subpart 54.05 and Part 57 of this chapter. (b) Welding consumables used...

  15. 46 CFR 30.10-5b - Cargo control station-TB/ALL.

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 1 2010-10-01 2010-10-01 false Cargo control station-TB/ALL. 30.10-5b Section 30.10-5b Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY TANK VESSELS GENERAL PROVISIONS Definitions § 30.10-5b Cargo control station—TB/ALL. The term cargo control station means a location that is manned...

  16. 46 CFR 32.50-3 - Cargo discharge-TB/ALL.

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 1 2010-10-01 2010-10-01 false Cargo discharge-TB/ALL. 32.50-3 Section 32.50-3 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY TANK VESSELS SPECIAL EQUIPMENT, MACHINERY, AND HULL REQUIREMENTS Pumps, Piping, and Hose for Cargo Handling § 32.50-3 Cargo discharge—TB/ALL. (a) Pumps or other...

  17. 46 CFR 153.235 - Exceptions to cargo piping location restrictions.

    Science.gov (United States)

    2010-10-01

    ....230(b), 153.231(b), and 153.234(b) unless the cargo piping: (a) Drains back to the cargo tank under any heel or trim resulting from the damage specified in § 172.135 of this chapter; and (b) Enters the cargo tank above the liquid level for a full tank in any condition of heel or trim resulting from the...

  18. 33 CFR 157.37 - Discharge of oily mixtures from oil cargoes.

    Science.gov (United States)

    2010-07-01

    ... 33 Navigation and Navigable Waters 2 2010-07-01 2010-07-01 false Discharge of oily mixtures from... CARRYING OIL IN BULK Vessel Operation § 157.37 Discharge of oily mixtures from oil cargoes. (a) A tank vessel may not discharge an oily mixture into the sea from a cargo tank, slop tank, or cargo pump room...

  19. 76 FR 4847 - Hazardous Materials: Safety Requirements for External Product Piping on Cargo Tanks Transporting...

    Science.gov (United States)

    2011-01-27

    ... cargo compartment valves are closed, the system introduces compressed air from an auxiliary tank through... in unprotected external product piping on DOT specification cargo tank motor vehicles. If adopted as... only) hazardous materials in external product piping of a DOT specification cargo tank motor vehicle...

  20. 14 CFR 297.30 - Public disclosure of cargo liability insurance.

    Science.gov (United States)

    2010-01-01

    ... ASSOCIATIONS General Rules for Foreign Indirect Air Carriers § 297.30 Public disclosure of cargo liability... 14 Aeronautics and Space 4 2010-01-01 2010-01-01 false Public disclosure of cargo liability... shipment is accepted, of the limits of its cargo liability insurance, or of the absence of such insurance...

  1. Safety evaluation for packaging (Onsite) transport of LSA-II liquids in MC-312 cargo tanks

    International Nuclear Information System (INIS)

    Carlstrom, R.F.

    1996-01-01

    This safety evaluation for packaging authorizes the onsite transfer of bulk LSA-II radioactive liquids in the 222-S Laboratory Cargo Tank and Liquid Effluent Treatment Facility Cargo Tanks (which are U.S. Department of Transportation MC-312 specification cargo tanks) from their operating facilities to tank farm facilities

  2. Investigate existing non-intrusive (NII) technologies for port cargo inspections.

    Science.gov (United States)

    2011-09-01

    "The quantity of cargo handled by United States ports has increased significantly in recent years. Based on : 2004 data, almost 2.7 billion tons of cargo passed through the ports in one year. To protect the U.S., all of this : cargo must be inspected...

  3. 46 CFR 105.25-7 - Ventilation systems for cargo tank or pumping system compartment.

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 4 2010-10-01 2010-10-01 false Ventilation systems for cargo tank or pumping system... Requirements-When Cargo Tanks Are Installed Below Decks § 105.25-7 Ventilation systems for cargo tank or pumping system compartment. (a) Each compartment shall be provided with a mechanical exhaust system...

  4. 33 CFR 126.17 - Permits required for handling designated dangerous cargo.

    Science.gov (United States)

    2010-07-01

    ... designated cargoes are not removed from, or placed in, the railroad car or highway vehicle while it is in or... HOMELAND SECURITY (CONTINUED) WATERFRONT FACILITIES HANDLING OF DANGEROUS CARGO AT WATERFRONT FACILITIES... discretion of the Captain of the Port, when such cargoes are contained within railroad cars or highway...

  5. 46 CFR 154.701 - Cargo pressure and temperature control: General.

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 5 2010-10-01 2010-10-01 false Cargo pressure and temperature control: General. 154.701... Equipment Cargo Pressure and Temperature Control § 154.701 Cargo pressure and temperature control: General... the MARVS under § 154.405; or (b) Be refrigerated by a system meeting § 154.702, and each refrigerated...

  6. 49 CFR 173.33 - Hazardous materials in cargo tank motor vehicles.

    Science.gov (United States)

    2010-10-01

    ... 49 Transportation 2 2010-10-01 2010-10-01 false Hazardous materials in cargo tank motor vehicles... Transportation § 173.33 Hazardous materials in cargo tank motor vehicles. (a) General requirements. (1) No person may offer or accept a hazardous material for transportation in a cargo tank motor vehicle except as...

  7. 46 CFR 153.371 - Minimum relief valve setting for refrigerated cargo tanks.

    Science.gov (United States)

    2010-10-01

    ... Design and Equipment Cargo Venting Systems § 153.371 Minimum relief valve setting for refrigerated cargo... steady state temperature obtained by a full tank of cargo with the refrigeration system operating under ambient conditions described within the definition of a refrigerated tank in § 153.2. ...

  8. Nonleaking battery terminals.

    Science.gov (United States)

    Snider, W. E.; Nagle, W. J.

    1972-01-01

    Three different terminals were designed for usage in a 40 ampere/hour silver zinc battery which has a 45% KOH by weight electrolyte in a plastic battery case. Life tests, including thermal cycling, electrical charge and discharge for up to three years duration, were conducted on these three different terminal designs. Tests for creep rate and tensile strength were conducted on the polyphenylene oxide plastic battery cases. Some cases were unused and others containing KOH electrolyte were placed on life tests. The design and testing of nonleaking battery terminals for use with a KOH electrolyte in a plastic case are considered.

  9. Comsat's TDMA traffic terminal

    Science.gov (United States)

    Benjamin, M. C.; Bogaert, W. M.

    1985-06-01

    Comsat has installed two traffic terminals in the Etam earth-station and is currently installing a third in the new Roaring Creek earth-station to access the Intelsat TDMA network. This paper describes the Comsat TDMA traffic terminal equipment from the supergroup interface to the antenna. Comsat's 1: N redundancy approach for terrestrial interface equipment and DSI unit back-up is described as well as electrical path length, amplitude and group delay equalization techniques, special on-line RF monitoring and failure reporting facilities and the operation and maintenance center which can operate and perform diagnostic testing on up to four traffic terminals from a central location.

  10. Location of Urban Logistic Terminals as Hub Location Problem

    Directory of Open Access Journals (Sweden)

    Jasmina Pašagić Škrinjar

    2012-09-01

    Full Text Available In this paper the problems of locating urban logistic terminals are studied as hub location problems that due to a large number of potential nodes in big cities belong to hard non-polynomial problems, the so-called NP-problems. The hub location problems have found wide application in physical planning of transport and telecommunication systems, especially systems of fast delivery, networks of logistic and distribution centres and cargo traffic terminals of the big cities, etc. The paper defines single and multiple allocations and studies the numerical examples. The capacitated single allocation hub location problems have been studied, with the provision of a mathematical model of selecting the location for the hubs on the network. The paper also presents the differences in the possibilities of implementing the exact and heuristic methods to solve the actual location problems of big dimensions i.e. hub problems of the big cities.

  11. Network model of cargo processing in containers in the sea ports of Ukraine

    Directory of Open Access Journals (Sweden)

    Светлана Петровна Онищенко

    2016-03-01

    Full Text Available It is identified the number of operations on cargo processing in containers in the sea ports of Ukraine and build a logical model of the relationship for the members of cargo service. It is developed a network model of cargo processing in containers in the sea ports of Ukraine as a tool for coordination of operations during processing. The used method allows creating an effective cargo processing plan and identifying and reducing the period of container location with cargo in the port

  12. East and central farming and forest region and Atlantic basin diversified farming region: LRRs N and S

    Science.gov (United States)

    Brad D. Lee; John M. Kabrick

    2017-01-01

    The central, unglaciated US east of the Great Plains to the Atlantic coast corresponds to the area covered by LRR N (East and Central Farming and Forest Region) and S (Atlantic Basin Diversified Farming Region). These regions roughly correspond to the Interior Highlands, Interior Plains, Appalachian Highlands, and the Northern Coastal Plains.

  13. Terminated Multifamily Mortgages Database

    Data.gov (United States)

    Department of Housing and Urban Development — This dataset includes all terminated HUD Multifamily mortgages except those from the Hospital Mortgage Insurance Program. It includes the Holder and Servicer at the...

  14. Design and development of a diversified real time computer for future FBRs

    International Nuclear Information System (INIS)

    Sujith, K.R.; Bhattacharyya, Anindya; Behera, R.P.; Murali, N.

    2014-01-01

    The current safety related computer system of Prototype Fast Breeder Reactor (PFBR) under construction in Kalpakkam consists of two redundant Versa Module Europa (VME) bus based Real Time Computer system with a Switch Over Logic Circuit (SOLC). Since both the VME systems are identical, the dual redundant system is prone to common cause failure (CCF). The probability of CCF can be reduced by adopting diversity. Design diversity has long been used to protect redundant systems against common-mode failures. The conventional notion of diversity relies on 'independent' generation of 'different' implementations. This paper discusses the design and development of a diversified Real Time Computer which will replace one of the computer system in the dual redundant architecture. Compact PCI (cPCI) bus systems are widely used in safety critical applications such as avionics, railways, defence and uses diverse electrical signaling and logical specifications, hence was chosen for development of the diversified system. Towards the initial development a CPU card based on an ARM-9 processor, 16 channel Relay Output (RO) card and a 30 channel Analog Input (AI) card was developed. All the cards mentioned supports hot-swap and geographic addressing capability. In order to mitigate the component obsolescence problem the 32 bit PCI target controller and associated glue logic for the slave I/O cards was indigenously developed using VHDL. U-boot was selected as the boot loader and arm Linux 2.6 as the preliminary operating system for the CPU card. Board specific initialization code for the CPU card was written in ARM assembly language and serial port initialization was written in C language. Boot loader along with Linux 2.6 kernel and jffs2 file system was flashed into the CPU card. Test applications written in C language were used to test the various peripherals of the CPU card. Device driver for the AI and RO card was developed as Linux kernel modules and application library was also

  15. Energy auditing of diversified rice-wheat cropping systems in Indo-gangetic plains

    Energy Technology Data Exchange (ETDEWEB)

    Chaudhary, V.P.; Gangwar, B.; Pandey, D.K.; Gangwar, K.S. [Project Directorate for Cropping Systems Research, Modipuram, Meerut 250110 (U.P.) (India)

    2009-09-15

    The field investigations were carried out for energy use analysis in terms of different input requirements and outputs harvested under the diversified rice-wheat cropping systems at the research farm of Project Directorate for Cropping Systems Research, Modipuram, Meerut, India during the year 2000-2004. The experiments were conducted on rice (Oryza sativa L.)-wheat (Triticum aestivum L. emend. Fiori and Paol) system involving 8 sequences using diversification, furrow irrigated raised bed system (FIRB) of sowing wheat, use of summer period for deep ploughing or raising legume crops for seed or green manure to study the energy dynamics of different diversified cropping systems. Results revealed that total energy use was highest in rice-potato-wheat (i.e. 77,601 MJ/ha in flat bed and 75,697 MJ/ha in raised bed) followed by rice-wheat-sesbania (i.e. 48,770 MJ/ha in flat and 47,830 MJ/ha in raised bed) and rice-wheat-greengram (i.e. 48,414 MJ/ha in flat and 47,482 MJ/ha in raised bed). In overall, the raised bed sowing of wheat in the cropping system consumed 6-11% less fertilizer energy than flat bed while saved up to 4.2% energy through irrigation. The total output energy of the system was recorded significantly higher in rice-potato-wheat system (i.e. 222,836 MJ/ha in flat bed and 218,065 MJ/ha in raised bed) in comparison to rice-wheat-greengram (i.e. 177,477 MJ/ha in flat bed and 175,125 MJ/ha in raised bed), rice-wheat-sesbania (i.e. 172,000 MJ/ha in flat bed and 168,919 MJ/ha in raised bed) and rice-wheat system (i.e. 156,085 MJ/ha in flat bed and 151,862 MJ/ha in raised bed). The significantly higher net return of energy was obtained in rice-potato-wheat system as compared to other systems. This system required about 75% more input energy but provided about 42% more output energy compared to conventional rice-wheat system. About 10% higher output energy was obtained through growing greengram in summer for grain and foliage incorporation while 14% gain obtained

  16. Genome evolutionary dynamics followed by diversifying selection explains the complexity of the Sesamum indicum genome.

    Science.gov (United States)

    Yu, Jingyin; Wang, Linhai; Guo, Hui; Liao, Boshou; King, Graham; Zhang, Xiurong

    2017-03-24

    Whole genome duplication (WGD) and tandem duplication (TD) provide two critical sources of raw genetic material for genome complexity and evolutionary novelty. Little is known about the complexity of the Sesamum indicum genome after it diverged from a common ancestor with the paleodiploid Vitis vinifera and further experienced WGD and TD events. Here, we analyzed the functional divergence of different classes of inter- and intra-genome gene pairs from ancestral events to uncover multiple-layers of evolutionary dynamics acting during the process of forming the modern S. indicum genome. Comprehensive inter-genome analyses revealed that 60% and 70% of syntenic orthologous gene pairs were retained among the two subgenomes in S. indicum compared to V. vinifera, although there was no evidence of significant differences under selection pressure. For the intra-genomic analyses, 5,932 duplicated gene pairs experienced fractionation, with the remaining 1,236 duplicated gene pairs having undergone functional divergence under diversifying selection. Analysis of the TD events indicated that 2,945 paralogous gene pairs, from 1,089 tandem arrays of 2-16 genes, experienced functional divergence under diversifying selection. Sequence diversification of different classes of gene pairs revealed that most of TD events occurred after the WGD event, with others following the ancestral gene order indicating ancient TD events at some time prior to the WGD event. Our comparison-of-function analyses for different classes of gene pairs indicated that the WGD and TD evolutionary events were both responsible for introducing genes that enabled exploration of novel and complementary functionalities, whilst maintaining individual plant ruggedness. In this study, we first investigated functional divergence of different classes of gene pairs to characterize the dynamic processes associated with each evolutionary event in S. indicum. The data demonstrated massive and distinct functional divergence

  17. The proteomic complexity and rise of the primordial ancestor of diversified life

    Directory of Open Access Journals (Sweden)

    Kim Kyung

    2011-05-01

    Full Text Available Abstract Background The last universal common ancestor represents the primordial cellular organism from which diversified life was derived. This urancestor accumulated genetic information before the rise of organismal lineages and is considered to be either a simple 'progenote' organism with a rudimentary translational apparatus or a more complex 'cenancestor' with almost all essential biological processes. Recent comparative genomic studies support the latter model and propose that the urancestor was similar to modern organisms in terms of gene content. However, most of these studies were based on molecular sequences, which are fast evolving and of limited value for deep evolutionary explorations. Results Here we engage in a phylogenomic study of protein domain structure in the proteomes of 420 free-living fully sequenced organisms. Domains were defined at the highly conserved fold superfamily (FSF level of structural classification and an iterative phylogenomic approach was used to reconstruct max_set and min_set FSF repertoires as upper and lower bounds of the urancestral proteome. While the functional make up of the urancestral sets was complex, they represent only 5-11% of the 1,420 FSFs of extant proteomes and their make up and reuse was at least 5 and 3 times smaller than proteomes of free-living organisms, repectively. Trees of proteomes reconstructed directly from FSFs or from molecular functions, which included the max_set and min_set as articial taxa, showed that urancestors were always placed at their base and rooted the tree of life in Archaea. Finally, a molecular clock of FSFs suggests the min_set reflects urancestral genetic make up more reliably and confirms diversified life emerged about 2.9 billion years ago during the start of planet oxygenation. Conclusions The minimum urancestral FSF set reveals the urancestor had advanced metabolic capabilities, was especially rich in nucleotide metabolism enzymes, had pathways for the

  18. Greenhouse gas emissions and global warming potential of traditional and diversified tropical rice rotation systems.

    Science.gov (United States)

    Weller, Sebastian; Janz, Baldur; Jörg, Lena; Kraus, David; Racela, Heathcliff S U; Wassmann, Reiner; Butterbach-Bahl, Klaus; Kiese, Ralf

    2016-01-01

    Global rice agriculture will be increasingly challenged by water scarcity, while at the same time changes in demand (e.g. changes in diets or increasing demand for biofuels) will feed back on agricultural practices. These factors are changing traditional cropping patterns from double-rice cropping to the introduction of upland crops in the dry season. For a comprehensive assessment of greenhouse gas (GHG) balances, we measured methane (CH4 )/nitrous oxide (N2 O) emissions and agronomic parameters over 2.5 years in double-rice cropping (R-R) and paddy rice rotations diversified with either maize (R-M) or aerobic rice (R-A) in upland cultivation. Introduction of upland crops in the dry season reduced irrigation water use and CH4 emissions by 66-81% and 95-99%, respectively. Moreover, for practices including upland crops, CH4 emissions in the subsequent wet season with paddy rice were reduced by 54-60%. Although annual N2 O emissions increased two- to threefold in the diversified systems, the strong reduction in CH4 led to a significantly lower (P < 0.05) annual GWP (CH4  + N2 O) as compared to the traditional double-rice cropping system. Measurements of soil organic carbon (SOC) contents before and 3 years after the introduction of upland crop rotations indicated a SOC loss for the R-M system, while for the other systems SOC stocks were unaffected. This trend for R-M systems needs to be followed as it has significant consequences not only for the GWP balance but also with regard to soil fertility. Economic assessment showed a similar gross profit span for R-M and R-R, while gross profits for R-A were reduced as a consequence of lower productivity. Nevertheless, regarding a future increase in water scarcity, it can be expected that mixed lowland-upland systems will expand in SE Asia as water requirements were cut by more than half in both rotation systems with upland crops. © 2015 John Wiley & Sons Ltd.

  19. Visual communication and terminal equipment

    International Nuclear Information System (INIS)

    Kang, Cheol Hui

    1988-06-01

    This book is divided two parts about visual communication and terminal equipment. The first part introduces visual communication, which deals with foundation of visual communication, technique of visual communication, equipment of visual communication, a facsimile and pictorial image system. The second part contains terminal equipment such as telephone, terminal equipment for data transmission on constitution and constituent of terminal equipment for data transmission, input device and output device, terminal device and up-to-date terminal device.

  20. Implementation of cargo MagLev in the United States

    Energy Technology Data Exchange (ETDEWEB)

    Rose, Chris R [Los Alamos National Laboratory; Peterson, Dean E [Los Alamos National Laboratory; Leung, Eddie M [MAGTEC ENGINEERING

    2008-01-01

    Numerous studies have been completed in the United States, but no commercial MagLev systems have been deployed. Outside the U.S., MagLev continues to attract funding for research, development and implementation. A brief review of recent global developments in MagLev technology is given followed by the status of MagLev in the U.S. The paper compares the cost of existing MagLev systems with other modes of transport, notes that the near-term focus of MagLev development in the U.S. should be for cargo, and suggests that future MagLev systems should be for very high speed cargo. The Los Angeles to Port of Los Angeles corridor is suggested as a first site for implementation. The benefits of MagLev are described along with suggestions on how to obtain funding.

  1. Fixing Trailer Hitch for Roof Rack of Cargos

    Directory of Open Access Journals (Sweden)

    Darina Matisková

    2017-02-01

    Full Text Available This article presents a new technical solution of fixing trailer hitch which serves as a connection between single track vehicle and cargo, mainly light trailer. They are manufactured from steel girder and nets which are constructed by point welding. They are designed to indicate the necessary solidity and the required load bearing capacity of the cargo. The application of roof racks is universal and these products are in great demand in the field of game management. There are a lot of trailer hitches which the manufacturers tailor to customers´ demands. The stated technical solution is subject of published industrial utility model at the Industrial property office of the Slovak republic.

  2. Shared value potential of transporting cargo via hyperloop

    OpenAIRE

    Werner, Max; Eißing, Klaus; Langton, Sebastian

    2016-01-01

    This research estimates the shared value created by constructing a hypothetical Hyperloop to transport cargo along 300 km in Northern Germany. Following Porter and Kramer (2011, 2012), we identified and evaluated eight factors that create shared value: travel speed, operating costs, safety, noise pollution, air pollution, climate effect/carbon footprint, separation effect/property efficiency, and maintenance. Using official data compiled by several German institutes and organizations, we cond...

  3. Intraflagellar transport: mechanisms of motor action, cooperation, and cargo delivery.

    Science.gov (United States)

    Prevo, Bram; Scholey, Jonathan M; Peterman, Erwin J G

    2017-09-01

    Intraflagellar transport (IFT) is a form of motor-dependent cargo transport that is essential for the assembly, maintenance, and length control of cilia, which play critical roles in motility, sensory reception, and signal transduction in virtually all eukaryotic cells. During IFT, anterograde kinesin-2 and retrograde IFT dynein motors drive the bidirectional transport of IFT trains that deliver cargo, for example, axoneme precursors such as tubulins as well as molecules of the signal transduction machinery, to their site of assembly within the cilium. Following its discovery in Chlamydomonas, IFT has emerged as a powerful model system for studying general principles of motor-dependent cargo transport and we now appreciate the diversity that exists in the mechanism of IFT within cilia of different cell types. The absence of heterotrimeric kinesin-2 function, for example, causes a complete loss of both IFT and cilia in Chlamydomonas, but following its loss in Caenorhabditis elegans, where its primary function is loading the IFT machinery into cilia, homodimeric kinesin-2-driven IFT persists and assembles a full-length cilium. Generally, heterotrimeric kinesin-2 and IFT dynein motors are thought to play widespread roles as core IFT motors, whereas homodimeric kinesin-2 motors are accessory motors that mediate different functions in a broad range of cilia, in some cases contributing to axoneme assembly or the delivery of signaling molecules but in many other cases their ciliary functions, if any, remain unknown. In this review, we focus on mechanisms of motor action, motor cooperation, and motor-dependent cargo delivery during IFT. © 2017 The Authors. The FEBS Journal published by John Wiley & Sons Ltd on behalf of Federation of European Biochemical Societies.

  4. OPTIMIZING TIME WINDOWS FOR MANAGING ARRIVALS OF EXPORT CONTAINERS AT CHINESE CONTAINER TERMINALS

    DEFF Research Database (Denmark)

    Chen, Gang; Yang, Zhongzhen

    2009-01-01

      Managing the truck transport in a port area is important for Chinese container ports as heavy traffic congestion not only limits the terminal capacity but also generates serious air pollution. This paper explores an effective way to manage the truck traffic of export containers based on a time...... of driver and truck waiting time, the cost of container cargo storage time, the truck idle cost and terminal yard fee. Secondly, to minimize the costs, a heuristic is developed based on a genetic algorithm to optimize the time window arrangement. The optimal solution involves the position and the length...

  5. Highly diversified fungi are associated with the achlorophyllous orchid Gastrodia flavilabella.

    Science.gov (United States)

    Liu, Tsunglin; Li, Ching-Min; Han, Yue-Lun; Chiang, Tzen-Yuh; Chiang, Yu-Chung; Sung, Huang-Mo

    2015-03-14

    Mycoheterotrophic orchids are achlorophyllous plants that obtain carbon and nutrients from their mycorrhizal fungi. They often show strong preferential association with certain fungi and may obtain nutrients from surrounding photosynthetic plants through ectomycorrhizal fungi. Gastrodia is a large genus of mycoheterotrophic orchids in Asia, but Gastrodia species' association with fungi has not been well studied. We asked two questions: (1) whether certain fungi were preferentially associated with G. flavilabella, which is an orchid in Taiwan and (2) whether fungal associations of G. flavilabella were affected by the composition of fungi in the environment. Using next-generation sequencing, we studied the fungal communities in the tubers of Gastrodia flavilabella and the surrounding soil. We found (1) highly diversified fungi in the G. flavilabella tubers, (2) that Mycena species were the predominant fungi in the tubers but minor in the surrounding soil, and (3) the fungal communities in the G. flavilabella tubers were clearly distinct from those in the surrounding soil. We also found that the fungal composition in soil can change quickly with distance. G. flavilabella was associated with many more fungi than previously thought. Among the fungi in the tuber of G. flavilabella, Mycena species were predominant, different from the previous finding that adult G. elata depends on Armillaria species for nutritional supply. Moreover, the preferential fungus association of G. flavilabella was not significantly influenced by the composition of fungi in the environment.

  6. A Decision Support System for Plant Optimization in Urban Areas with Diversified Solar Radiation

    Directory of Open Access Journals (Sweden)

    Heyi Wei

    2017-02-01

    Full Text Available Sunshine is an important factor which limits the choice of urban plant species, especially in environments with high-density buildings. In practice, plant selection and configuration is a key step of landscape architecture, which has relied on an experience-based qualitative approach. However, the rationality and efficiency of this need to be improved. To maintain the diversity of plant species and to ensure their ecological adaptability (solar radiation in the context of sustainable development, we developed the Urban Plants Decision Support System (UP-DSS for assisting plant selection in urban areas with diversified solar radiation. Our methodology mainly consists of the solar radiation model and calibration, the urban plant database, and information retrieval model. The structure of UP-DSS is also presented at the end of the methodology section, which is based on the platform of Geographic Information Systems (GIS and Microsoft Excel. An application of UP-DSS is demonstrated in a residential area of Wuhan, China. The results show that UP-DSS can provide a very scientific and stable tool for the adaptive planning of shade-tolerant plants and photoperiod-sensitive plants, meanwhile, it also provides a specific plant species and the appropriate types of plant community for user decision-making according to different sunshine radiation conditions and the designer’s preferences.

  7. Whole-farm mating disruption to manage Grapholita molesta (Lepidoptera: Tortricidae) in diversified New Jersey orchards.

    Science.gov (United States)

    Tollerup, Kris E; Rucker, Ann; Shearer, Peter W

    2012-10-01

    Fruit orchards in New Jersey are usually isolated from neighboring farms and diversified, often containing separate plantings of peach (Prunus spp.) and apple (Malus spp.). These crops can suffer significant damage from oriental fruit moth, Grapholita molesta (Busck) (Lepidoptera: Tortricidae). This study evaluated the effect of managing G. molesta by using sex pheromone-based mating disruption applied to both peaches and apples (whole-farm mating disruption) rather than treating either crop alone. In year 1 of the experiment, G. molesta mating disruption applied to the adjacent peach and apple blocks provided better control than treating peaches or apples alone. During year 2, treating these adjacent blocks or only treating apples controlled G. molesta equally well. G. molesta populations were so low at the end of year 2 that mating disruption was not applied against this pest during year 3. This allowed us to determine whether applying mating disruption for two consecutive years controlled G. molesta well enough that it eliminated the need mating disruption for three consecutive years. The mean cumulative number of G. molesta captured in plots where both peaches and apples had been treated did not exceed two moths per trap in the third year of this experiment. In contrast, G. molesta capture rebounded during August in peaches and apples that had not been treated with mating disruption the previous 2 yr. Implications for managing G. molesta by using mating disruption as a "whole-farm" tactic as well applying it for two consecutive years and not a third year are discussed.

  8. The Role of Rangelands in Diversified Farming Systems: Innovations, Obstacles, and Opportunities in the USA

    Directory of Open Access Journals (Sweden)

    Nathan F. Sayre

    2012-12-01

    Full Text Available Discussions of diversified farming systems (DFS rarely mention rangelands: the grasslands, shrublands, and savannas that make up roughly one-third of Earth's ice-free terrestrial area, including some 312 million ha of the United States. Although ranching has been criticized by environmentalists for decades, it is probably the most ecologically sustainable segment of the U.S. meat industry, and it exemplifies many of the defining characteristics of DFS: it relies on the functional diversity of natural ecological processes of plant and animal (reproduction at multiple scales, based on ecosystem services generated and regenerated on site rather than imported, often nonrenewable, inputs. Rangelands also provide other ecosystem services, including watershed, wildlife habitat, recreation, and tourism. Even where non-native or invasive plants have encroached on or replaced native species, rangelands retain unusually high levels of plant diversity compared with croplands or plantation forests. Innovations in management, marketing, incentives, and easement programs that augment ranch income, creative land tenure arrangements, and collaborations among ranchers all support diversification. Some obstacles include rapid landownership turnover, lack of accessible U.S. Department of Agriculture certified processing facilities, tenure uncertainty, fragmentation of rangelands, and low and variable income, especially relative to land costs. Taking advantage of rancher knowledge and stewardship, and aligning incentives with production of diverse goods and services, will support the sustainability of ranching and its associated public benefits. The creation of positive feedbacks between economic and ecological diversity should be the ultimate goal.

  9. Diversifying Employment Opportunities of Urban Planning Graduates in the Period of Uncertainty

    Directory of Open Access Journals (Sweden)

    Abdul Razak Jaffar

    2014-11-01

    Full Text Available Several countries, including Malaysia, have set a long term target of establishing a more educated workforce. This thrust on the massification of higher education has resulted in a new problem-graduate unemployment. The growing problem of graduate unemployment in Malaysia is widely debated in the media and blogs. The Higher Education Ministry, in its Graduate Tracer Study Report 2011, reported that 24 per cent of them have not found a job after six months of graduating. The employment scenario of the urban planning graduates has changed over the years from catering the needs of the public sector, to catering the needs of the private sector and to fulfilling the need of the One Stop Centre or the OSC. The advent of the liberalization of urban planning services challenges urban planning schools in Malaysia to produce planners not only to cater for local needs but also with the capability of exporting their skills and services internationally. Given the diverse scope of urban planning it is a paradox that graduates of urban planning should converge on the conventional urban planning organizations for employment. The paper will highlight some preliminary findings on the employment prospect of urban planning graduates in the immediate future and the possibility of diversifying employment opportunities of urban planning graduates.

  10. Financing the Commerce – Creating Capacities and Diversifying the Offer within the National Financial Field

    Directory of Open Access Journals (Sweden)

    Irina-Stefana CIBOTARIU

    2010-08-01

    Full Text Available Romania has always aimed for creating a friendly financial sector for the exporters,which has to be able to contribute to an increased national competitiveness. In order to have a relevant strategic answer for this sector, the main objectives, such as increasingthe budget resources to finance the exports and activities that have been carried out for these, the easier access to credits for the export, structured dialogue and a better communication and cooperation between banks, insurance companies and exporters orincreased management ability of the risk have to be carried out within strategic sectors. The Romanian vision on financing the Romanian exports is represented by the contribution for an increased national competitiveness. The globalization process of theworld economy has strengthened the competition of the international trade, especially on diversifying the financial facilities and payments. Within this context, successful promotion of the Romanian exports has depended not only on quality, price, delivery conditions and warranties, but also on a competitive financial offer, in order to credit the importers.

  11. Analysis of Adaptive Evolution in Lyssavirus Genomes Reveals Pervasive Diversifying Selection during Species Diversification

    Directory of Open Access Journals (Sweden)

    Carolina M. Voloch

    2014-11-01

    Full Text Available Lyssavirus is a diverse genus of viruses that infect a variety of mammalian hosts, typically causing encephalitis. The evolution of this lineage, particularly the rabies virus, has been a focus of research because of the extensive occurrence of cross-species transmission, and the distinctive geographical patterns present throughout the diversification of these viruses. Although numerous studies have examined pattern-related questions concerning Lyssavirus evolution, analyses of the evolutionary processes acting on Lyssavirus diversification are scarce. To clarify the relevance of positive natural selection in Lyssavirus diversification, we conducted a comprehensive scan for episodic diversifying selection across all lineages and codon sites of the five coding regions in lyssavirus genomes. Although the genomes of these viruses are generally conserved, the glycoprotein (G, RNA-dependent RNA polymerase (L and polymerase (P genes were frequently targets of adaptive evolution during the diversification of the genus. Adaptive evolution is particularly manifest in the glycoprotein gene, which was inferred to have experienced the highest density of positively selected codon sites along branches. Substitutions in the L gene were found to be associated with the early diversification of phylogroups. A comparison between the number of positively selected sites inferred along the branches of RABV population branches and Lyssavirus intespecies branches suggested that the occurrence of positive selection was similar on the five coding regions of the genome in both groups.

  12. 46 CFR 38.05-4 - Design and construction of nonpressure vessel type cargo tanks-TB/ALL.

    Science.gov (United States)

    2010-10-01

    ... acceptable. (d) The design and construction of the cargo tanks shall be at least equivalent to the standards...) The cargo tank shall be designed for a head of cargo at least equal to the highest level the liquid... 46 Shipping 1 2010-10-01 2010-10-01 false Design and construction of nonpressure vessel type cargo...

  13. Tandem Terminal Ion Source

    International Nuclear Information System (INIS)

    None

    2000-01-01

    OAK-B135 Tandem Terminal Ion Source. The terminal ion source (TIS) was used in several experiments during this reporting period, all for the(sup 7)Be((gamma))(sup 8)B experiment. Most of the runs used(sup 1)H(sup+) at terminal voltages from 0.3 MV to 1.5 MV. One of the runs used(sup 2)H(sup+) at terminal voltage of 1.4 MV. The other run used(sup 4)He(sup+) at a terminal voltage of 1.37 MV. The list of experiments run with the TIS to date is given in table 1 below. The tank was opened four times for unscheduled source repairs. On one occasion the tank was opened to replace the einzel lens power supply which had failed. The 10 kV unit was replaced with a 15 kV unit. The second time the tank was opened to repair the extractor supply which was damaged by a tank spark. On the next occasion the tank was opened to replace a source canal which had sputtered away. Finally, the tank was opened to replace the discharge bottle which had been coated with aluminum sputtered from the exit canal

  14. National Security Science and Technology Initiative: Air Cargo Screening

    Energy Technology Data Exchange (ETDEWEB)

    Bingham, Philip R [ORNL; White, Tim [Pacific Northwest National Laboratory (PNNL); Cespedes, Ernesto [Idaho National Laboratory (INL); Bowerman, Biays [Brookhaven National Laboratory (BNL); Bush, John [Battelle

    2010-11-01

    The non-intrusive inspection (NII) of consolidated air cargo carried on commercial passenger aircraft continues to be a technically challenging, high-priority requirement of the Department of Homeland Security's Science and Technology Directorate (DHS S&T), the Transportation Security Agency and the Federal Aviation Administration. The goal of deploying a screening system that can reliably and cost-effectively detect explosive threats in consolidated cargo without adversely affecting the flow of commerce will require significant technical advances that will take years to develop. To address this critical National Security need, the Battelle Memorial Institute (Battelle), under a Cooperative Research and Development Agreement (CRADA) with four of its associated US Department of Energy (DOE) National Laboratories (Oak Ridge, Pacific Northwest, Idaho, and Brookhaven), conducted a research and development initiative focused on identifying, evaluating, and integrating technologies for screening consolidated air cargo for the presence of explosive threats. Battelle invested $8.5M of internal research and development funds during fiscal years 2007 through 2009. The primary results of this effort are described in this document and can be summarized as follows: (1) Completed a gap analysis that identified threat signatures and observables, candidate technologies for detection, their current state of development, and provided recommendations for improvements to meet air cargo screening requirements. (2) Defined a Commodity/Threat/Detection matrix that focuses modeling and experimental efforts, identifies technology gaps and game-changing opportunities, and provides a means of summarizing current and emerging capabilities. (3) Defined key properties (e.g., elemental composition, average density, effective atomic weight) for basic commodity and explosive benchmarks, developed virtual models of the physical distributions (pallets) of three commodity types and three

  15. Final Report, Next-Generation Mega-Voltage Cargo-Imaging System for Cargo Container Inspection, March 2007

    International Nuclear Information System (INIS)

    Dr. James Clayton, Ph.D., Varian Medical Systems-Security and Inspection Products; Dr. Emma Regentova, Ph.D, University of Nevada Las Vegas; Dr. Evangelos Yfantis, Ph.D., University of Nevada, Las Vegas

    2007-01-01

    The UNLV Research Foundation, as the primary award recipient, teamed with Varian Medical Systems-Security and Inspection Products and the University of Nevada Las Vegas (UNLV) for the purpose of conducting research and engineering related to a ''next-generation'' mega-voltage imaging (MVCI) system for inspection of cargo in large containers. The procurement and build-out of hardware for the MVCI project has been completed. The K-9 linear accelerator and an optimized X-ray detection system capable of efficiently detecting X-rays emitted from the accelerator after they have passed through the device is under test. The Office of Science financial assistance award has made possible the development of a system utilizing a technology which will have a profound positive impact on the security of U.S. seaports. The proposed project will ultimately result in critical research and development advances for the ''next-generation'' Linatron X-ray accelerator technology, thereby providing a safe, reliable and efficient fixed and mobile cargo inspection system, which will very significantly increase the fraction of cargo containers undergoing reliable inspection as the enter U.S. ports. Both NNSA/NA-22 and the Department of Homeland Security's Domestic Nuclear Detection Office are collaborating with UNLV and its team to make this technology available as soon as possible

  16. How molecular motors are arranged on a cargo is important for vesicular transport.

    Directory of Open Access Journals (Sweden)

    Robert P Erickson

    2011-05-01

    Full Text Available The spatial organization of the cell depends upon intracellular trafficking of cargos hauled along microtubules and actin filaments by the molecular motor proteins kinesin, dynein, and myosin. Although much is known about how single motors function, there is significant evidence that cargos in vivo are carried by multiple motors. While some aspects of multiple motor function have received attention, how the cargo itself--and motor organization on the cargo--affects transport has not been considered. To address this, we have developed a three-dimensional Monte Carlo simulation of motors transporting a spherical cargo, subject to thermal fluctuations that produce both rotational and translational diffusion. We found that these fluctuations could exert a load on the motor(s, significantly decreasing the mean travel distance and velocity of large cargos, especially at large viscosities. In addition, the presence of the cargo could dramatically help the motor to bind productively to the microtubule: the relatively slow translational and rotational diffusion of moderately sized cargos gave the motors ample opportunity to bind to a microtubule before the motor/cargo ensemble diffuses out of range of that microtubule. For rapidly diffusing cargos, the probability of their binding to a microtubule was high if there were nearby microtubules that they could easily reach by translational diffusion. Our simulations found that one reason why motors may be approximately 100 nm long is to improve their 'on' rates when attached to comparably sized cargos. Finally, our results suggested that to efficiently regulate the number of active motors, motors should be clustered together rather than spread randomly over the surface of the cargo. While our simulation uses the specific parameters for kinesin, these effects result from generic properties of the motors, cargos, and filaments, so they should apply to other motors as well.

  17. Windows Terminal Servers Orchestration

    Science.gov (United States)

    Bukowiec, Sebastian; Gaspar, Ricardo; Smith, Tim

    2017-10-01

    Windows Terminal Servers provide application gateways for various parts of the CERN accelerator complex, used by hundreds of CERN users every day. The combination of new tools such as Puppet, HAProxy and Microsoft System Center suite enable automation of provisioning workflows to provide a terminal server infrastructure that can scale up and down in an automated manner. The orchestration does not only reduce the time and effort necessary to deploy new instances, but also facilitates operations such as patching, analysis and recreation of compromised nodes as well as catering for workload peaks.

  18. Terminal lucidity phenomena

    Directory of Open Access Journals (Sweden)

    Mehmet Emin Demirkol

    2016-09-01

    Full Text Available Unexpected symptom remission in psychiatric and neurologic disesases shortly before patients' death have been known since last 250 years but not received enough attention. This phenomenon is called terminal lucidity. Terminal lucidity can be experienced at patients with diagnosis of dementia, schizophrenia, brain abscess, brain tumour, stroke and mood disorders. Explanatory models about reasons and neurobiology of this phenomenon will contribute to develop new treatment strategies about mentioned diseases and to pass the last times before death better [Cukurova Med J 2016; 41(3.000: 559-563

  19. The neonatal CD8+ T cell repertoire rapidly diversifies during persistent viral infection1

    Science.gov (United States)

    Venturi, Vanessa; Nzingha, Kito; Amos, Timothy G.; Charles, Wisler C.; Dekhtiarenko, Iryna; Cicin-Sain, Luka; Davenport, Miles P.; Rudd, Brian D.

    2015-01-01

    Cytomegalovirus (CMV) is the most common congenital infection in the United States. The major target of congenital CMV is the brain, with clinical manifestations including mental retardation, vision impairment and sensorineural hearing loss. Previous reports have shown that CD8+ T cells are required to control viral replication and significant numbers of CMV-specific CD8+ T cells persist in the brain even after the initial infection has been cleared. However, the dynamics of CD8+ T cells in the brain during latency remains largely undefined. In this report, we used T cell receptor (TCR) sequencing to track the development and maintenance of neonatal clonotypes in the brain and spleen of mice during chronic infection. Given the discontinuous nature of tissue resident memory CD8+ T cells, we hypothesized that neonatal TCR clonotypes would be ‘locked-in’ the brain and persist into adulthood. Surprisingly, we found that the antigen-specific T cell repertoire in neonatal-infected mice diversified during persistent infection in both the brain and spleen, while maintaining substantial similarity between the CD8+ T cell populations in the brain and spleen in both early and late infection. However, despite the diversification of, and potential interchange between, the spleen and brain antigen-specific T cell repertoires, we observed that germline-encoded TCR clonotypes, characteristic of neonatal infection, persisted in the brain, albeit sometimes in low abundance. These results provide valuable insights into the evolution of CD8+ T cell repertoires following neonatal CMV infection and thus have important implications for the development of therapeutic strategies to control CMV in early life. PMID:26764033

  20. Distinct signatures of diversifying selection revealed by genome analysis of respiratory tract and invasive bacterial populations.

    Science.gov (United States)

    Shea, Patrick R; Beres, Stephen B; Flores, Anthony R; Ewbank, Amy L; Gonzalez-Lugo, Javier H; Martagon-Rosado, Alexandro J; Martinez-Gutierrez, Juan C; Rehman, Hina A; Serrano-Gonzalez, Monica; Fittipaldi, Nahuel; Ayers, Stephen D; Webb, Paul; Willey, Barbara M; Low, Donald E; Musser, James M

    2011-03-22

    Many pathogens colonize different anatomical sites, but the selective pressures contributing to survival in the diverse niches are poorly understood. Group A Streptococcus (GAS) is a human-adapted bacterium that causes a range of infections. Much effort has been expended to dissect the molecular basis of invasive (sterile-site) infections, but little is known about the genomes of strains causing pharyngitis (streptococcal "sore throat"). Additionally, there is essentially nothing known about the genetic relationships between populations of invasive and pharyngitis strains. In particular, it is unclear if invasive strains represent a distinct genetic subpopulation of strains that cause pharyngitis. We compared the genomes of 86 serotype M3 GAS pharyngitis strains with those of 215 invasive M3 strains from the same geographical location. The pharyngitis and invasive groups were highly related to each other and had virtually identical phylogenetic structures, indicating they belong to the same genetic pool. Despite the overall high degree of genetic similarity, we discovered that strains from different host environments (i.e., throat, normally sterile sites) have distinct patterns of diversifying selection at the nucleotide level. In particular, the pattern of polymorphisms in the hyaluronic acid capsule synthesis operon was especially different between the two strain populations. This finding was mirrored by data obtained from full-genome analysis of strains sequentially cultured from nonhuman primates. Our results answer the long-standing question of the genetic relationship between GAS pharyngitis and invasive strains. The data provide previously undescribed information about the evolutionary history of pathogenic microbes that cause disease in different anatomical sites.

  1. Diversifying Sunflower Germplasm by Integration and Mapping of a Novel Male Fertility Restoration Gene

    Science.gov (United States)

    Liu, Zhao; Wang, Dexing; Feng, Jiuhuan; Seiler, Gerald J.; Cai, Xiwen; Jan, Chao-Chien

    2013-01-01

    The combination of a single cytoplasmic male-sterile (CMS) PET-1 and the corresponding fertility restoration (Rf) gene Rf1 is used for commercial hybrid sunflower (Helianthus annuus L., 2n = 34) seed production worldwide. A new CMS line 514A was recently developed with H. tuberosus cytoplasm. However, 33 maintainers and restorers for CMS PET-1 and 20 additional tester lines failed to restore the fertility of CMS 514A. Here, we report the discovery, characterization, and molecular mapping of a novel Rf gene for CMS 514A derived from an amphiploid (Amp H. angustifolius/P 21, 2n = 68). Progeny analysis of the male-fertile (MF) plants (2n = 35) suggested that this gene, designated Rf6, was located on a single alien chromosome. Genomic in situ hybridization (GISH) indicated that Rf6 was on a chromosome with a small segment translocation on the long arm in the MF progenies (2n = 34). Rf6 was mapped to linkage group (LG) 3 of the sunflower SSR map. Eight markers were identified to be linked to this gene, covering a distance of 10.8 cM. Two markers, ORS13 and ORS1114, were only 1.6 cM away from the gene. Severe segregation distortions were observed for both the fertility trait and the linked marker loci, suggesting the possibility of a low frequency of recombination or gamete selection in this region. This study discovered a new CMS/Rf gene system derived from wild species and provided significant insight into the genetic basis of this system. This will diversify the germplasm for sunflower breeding and facilitate understanding of the interaction between the cytoplasm and nuclear genes. PMID:23307903

  2. SUSTAINABLE DIVERSIFIED AGRICULTURE AND LAND MANAGEMENT IN THE HIMALAYA: IMPLICATIONS FOR CLIMATE CHANGE ADAPTATION AND MITIGATION

    Directory of Open Access Journals (Sweden)

    R. M. Bajracharya

    2016-08-01

    Full Text Available The soil and land resources play a vital role in sustaining the local livelihoods of rural communities in the Himalaya. Most of the arable land has already been brought under cultivation, hence the ever-increasing demand for food and fiber has left farmers with no choice but to intensify agriculture. However, producing more crops and greater quantities of food, fiber and other materials on the same parcel of land can to soil fertility and productivity decline with overall degradation of land quality. Therefore, ways and means to intensify agriculture to enhance productivity without degrading the soil and land resource base have become imperative. Agro-forestry, agro-slivi-pastoral systems, and the adoption of a variety of crop, soil and water management and conservation practices offer potential to deliver multiple benefits without sacrificing the very resource upon which the human population depends. Presented herein are findings on approaches to sustainable intensification of agriculture and land management related to soil OM management and C sequestration for multiple benefits, and, agro-forestry as a crop diversification strategy with both livelihood, and climate change adaptation/mitigation benefits. The results indicate that sustainable soil management practices could lead to significant SOC accumulations (4-8 t/ha over 6 yrs. SOC and soil C stocks tend to increase with elevation due to cooler climate and slow decomposition rates. Carbon stocks for the 3 LU types was in the order CF>AF/LH>AG, suggesting that diversified cropping practices including agro-forestry have good potential sequester C while providing livelihood opportunities and climate adaptive capacity for local farming communities. Biochar amendment increased growth of both coffee plants and radish with mixed grass/weed biochar being most effective. Biochar application also significantly decreased emission of GHGs, especially N2O.

  3. Antecedents of Customer Relationship Termination

    DEFF Research Database (Denmark)

    Geersbro, Jens; Ritter, Thomas

    relationships as a managerial task. This paper contributes by (1) developing a conceptualization of relationship termination competence and (2) analyzing its antecedents. The empirical results identify termination acceptance, definition non-customers, organizational relationship termination routines......To end business relationships, or to more actively terminate relationships, has long been acknowledged as part of customer relationship management. However, compared to other elements such as initiation and maintenance of relationships, little is known about the termination of business...

  4. [Application of diversified teaching methods to improve the teaching effects in the course of oral histology and pathology].

    Science.gov (United States)

    Tian, Zhen; Li, Lei; Wang, Li-zhen; Hu, Yu-hua; Zhang, Chun-ye; Li, Jiang

    2016-02-01

    Oral histology and pathology is one of the most important courses in stomatological education which works as a bridge between basic medical courses and clinical courses of oral science. The knowledge of oral histopathology may help the students to correctly understand the histogenesis and development of oral diseases and provide the information for correct treatment and prevention. In order to make the students grasp the necessary basic theories, increase the interest in learning, and improve the teaching effect, we explored a diversified teaching system which included diverse teaching modes, online courses and courseware construction. The application of this system offered the interaction between students and teachers and combination of classes with the internet, and made the boring pathological knowledge be associated with clinical practice. These diversified teaching methods had been used in practice and obtained good teaching results.

  5. Myosin-V Induces Cargo Immobilization and Clustering at the Axon Initial Segment

    Directory of Open Access Journals (Sweden)

    Anne F. J. Janssen

    2017-08-01

    Full Text Available The selective transport of different cargoes into axons and dendrites underlies the polarized organization of the neuron. Although it has become clear that the combined activity of different motors determines the destination and selectivity of transport, little is known about the mechanistic details of motor cooperation. For example, the exact role of myosin-V in opposing microtubule-based axon entries has remained unclear. Here we use two orthogonal chemically-induced heterodimerization systems to independently recruit different motors to cargoes. We find that recruiting myosin-V to kinesin-propelled cargoes at approximately equal numbers is sufficient to stall motility. Kinesin-driven cargoes entering the axon were arrested in the axon initial segment (AIS upon myosin-V recruitment and accumulated in distinct actin-rich hotspots. Importantly, unlike proposed previously, myosin-V did not return these cargoes to the cell body, suggesting that additional mechanism are required to establish cargo retrieval from the AIS.

  6. Making Wireless Terminals Simpler

    DEFF Research Database (Denmark)

    Christensen, Søren Skovgaard; Popovski, Petar; De Carvalho, Elisabeth

    2005-01-01

    equalization in the downlink, which these requirements lead to. We propose to solve the problem by applying pre-processing at the base station, thereby rendering the terminal simple. We establish a general MIMO block transmission model, and derive different transmit/receive filters, based on the Linear Minimum...

  7. The Tiny Terminators

    Indian Academy of Sciences (India)

    Home; Journals; Resonance – Journal of Science Education; Volume 6; Issue 5. The Tiny Terminators - Mosquitoes and Diseases. P K Sumodan. General Article Volume 6 Issue 5 May 2001 pp 48-55. Fulltext. Click here to view fulltext PDF. Permanent link: https://www.ias.ac.in/article/fulltext/reso/006/05/0048-0055 ...

  8. Trauma and termination.

    Science.gov (United States)

    Ferraro, F

    1995-02-01

    The author suggests a particular reading of the thesis put forward by Freud in 'Analysis terminable and interminable' that an effective and more definitive conclusion may be expected in analyses of cases with traumatic aetiology. This reading shifts the emphasis from the patient's history to the possibility of its crystallising in focal nuclei emerging within the analytic relationship under the pressure of the termination. The revival of separation anxieties which cannot be worked through, and their crystallisation in precipitating traumatic events, may give rise to decisive psychic work allowing the analysis to be brought to a conclusion. Two case histories are presented to show how the end of the analysis assumes the form of a new trauma, which reactivates in the present, traumatic anxieties from the patient's own infantile history. In the first case a premature birth and in the second a miscarriage, originally experienced as isolated automatic events without time or history, are relived in the terminal phase as vicissitudes of the transference, so that new meaning can be assigned to them and they can be withdrawn from the somatic cycle of repetition. The powerful tendency to act out and the intense countertransference pressure on the analyst are discussed in the light of the specificities of this phase, which is crucial to the success of the analysis. This leads to a re-examination, in the concluding notes, of some theoretical questions inherent in the problem of the termination and, in particular, to a discussion of the ambiguous concept of a natural ending.

  9. Time analysis of the containerized cargo flow in the logistic chain using simulation tools: the case of the Port of Seville (Spain)

    Energy Technology Data Exchange (ETDEWEB)

    Ruiz Aguilar, J.J.; Turias, J.I.; Cerban, M.; Gonzalez, M.J.; Pulido, A.

    2016-07-01

    The logistic chain that connects the capital of Spain (Madrid) with the Canary Islands has the Port of Seville as the port node. This port node makes possible to switch from one transport mode (railway) to another (maritime) at the container terminal of the port. Some constraints, such as the operational time window that restricts the freight train access into the port in a certain time-slot or the need of the reversal of the train before entering into port, lead to generate important time delays in the intermodal chain. A time analysis of the process is necessary in order to check the critical points. A simulation of the whole process from the goods departing the origin station by train until they leave the port of Seville by ship to the Canary Islands is performed. To this aim, a queuing model network was developed in order to simulate the travel time of the cargo. The database is composed of daily departures of goods train and daily departures of vessels (including times of docking, berthing or load/unload cargo). The final objective of this work is twofold: firstly, to provide a validated model of the containerized cargo flow and secondly, to demonstrate that this kind of queuing models can become a powerful supporting tool in making decisions about future investments. (Author)

  10. X-ray scan detection for cargo integrity

    Science.gov (United States)

    Valencia, Juan; Miller, Steve

    2011-04-01

    The increase of terrorism and its global impact has made the determination of the contents of cargo containers a necessity. Existing technology allows non-intrusive inspections to determine the contents of a container rapidly and accurately. However, some cargo shipments are exempt from such inspections. Hence, there is a need for a technology that enables rapid and accurate means of detecting whether such containers were non-intrusively inspected. Non-intrusive inspections are most commonly performed utilizing high powered X-ray equipment. The challenge is creating a device that can detect short duration X-ray scans while maintaining a portable, battery powered, low cost, and easy to use platform. The Pacific Northwest National Laboratory (PNNL) has developed a methodology and prototype device focused on this challenge. The prototype, developed by PNNL, is a battery powered electronic device that continuously measures its X-ray and Gamma exposure, calculates the dose equivalent rate, and makes a determination of whether the device has been exposed to the amount of radiation experienced during an X-ray inspection. Once an inspection is detected, the device will record a timestamp of the event and relay the information to authorized personnel via a visual alert, USB connection, and/or wireless communication. The results of this research demonstrate that PNNL's prototype device can be effective at determining whether a container was scanned by X-ray equipment typically used for cargo container inspections. This paper focuses on laboratory measurements and test results acquired with the PNNL prototype device using several X-ray radiation levels.

  11. Photonuclear-based Detection of Nuclear Smuggling in Cargo Containers

    Science.gov (United States)

    Jones, J. L.; Haskell, K. J.; Hoggan, J. M.; Norman, D. R.; Yoon, W. Y.

    2003-08-01

    The Idaho National Engineering and Environmental Laboratory (INEEL) and the Los Alamos National Laboratory (LANL) have performed experiments in La Honda, California and at the Idaho Accelerator Center in Pocatello, Idaho to assess and develop a photonuclear-based detection system for shielded nuclear materials in cargo containers. The detection system, measuring photonuclear-related neutron emissions, is planned for integration with the ARACOR Eagle Cargo Container Inspection System (Sunnyvale, CA). The Eagle Inspection system uses a nominal 6-MeV electron accelerator and operates with safe radiation exposure limits to both container stowaways and to its operators. The INEEL has fabricated custom-built, helium-3-based, neutron detectors for this inspection application and is performing an experimental application assessment. Because the Eagle Inspection system could not be moved to LANL where special nuclear material was available, the response of the Eagle had to be determined indirectly so as to support the development and testing of the detection system. Experiments in California have successfully matched the delayed neutron emission performance of the ARACOR Eagle with that of the transportable INEEL electron accelerator (i.e., the Varitron) and are reported here. A demonstration test is planned at LANL using the Varitron and shielded special nuclear materials within a cargo container. Detector results are providing very useful information regarding the challenges of delayed neutron counting near the photofission threshold energy of 5.5 - 6.0 MeV, are identifying the possible utilization of prompt neutron emissions to allow enhanced signal-to-noise measurements, and are showing the overall benefits of using higher electron beam energies.

  12. Development of sup 6 sup 0 Co cargo train inspection system

    CERN Document Server

    Wu Zhi Fang

    2002-01-01

    The author introduces the research and development of sup 6 sup 0 Co cargo train inspection system. With the use of radiography principle, every car image is acquired when the cargo train runs through the inspection channel. It is evaluated whether the cargo in car matches the corresponding customs declaration information with digital image processing techniques. The system has been installed in railway port at Manzhouli Customs

  13. Study on the multi-sensors monitoring and information fusion technology of dangerous cargo container

    Science.gov (United States)

    Xu, Shibo; Zhang, Shuhui; Cao, Wensheng

    2017-10-01

    In this paper, monitoring system of dangerous cargo container based on multi-sensors is presented. In order to improve monitoring accuracy, multi-sensors will be applied inside of dangerous cargo container. Multi-sensors information fusion solution of monitoring dangerous cargo container is put forward, and information pre-processing, the fusion algorithm of homogenous sensors and information fusion based on BP neural network are illustrated, applying multi-sensors in the field of container monitoring has some novelty.

  14. Solving the Liner Shipping Fleet Repositioning Problem with Cargo Flows

    DEFF Research Database (Denmark)

    Tierney, Kevin; Askelsdottir, Björg; Jensen, Rune Møller

    2015-01-01

    We solve a central problem in the liner shipping industry called the liner shipping fleet repositioning problem (LSFRP). The LSFRP poses a large financial burden on liner shipping firms. During repositioning, vessels are moved between routes in a liner shipping network. Liner carriers wish...... introduce a novel mathematical model and a simulated annealing algorithm for the LSFRP with cargo flows that makes use of a carefully constructed graph; we evaluate these approaches using real-world data from our industrial collaborator. Additionally, we compare the performance of our approach against...... to solve the LSFRP....

  15. Optimization of the imported air express cargo distribution problem

    Directory of Open Access Journals (Sweden)

    Hwang, T.L.

    2013-03-01

    Full Text Available This study examines the delivering network of imported air express cargo as an integrated multi-depot vehicle routing problem. Integrated multi-depot vehicle routing problem attempts to decide which service centers should be used and how much freight should be unloaded in each service center. The role of an exchange point which is allowing the delivery vans and shuttles to exchange imported and exported goods is also addressed. Test results demonstrate the feasibility of the four models so these are highly promising for use in a diverse array of applications, such as in home delivery and reverse logistics.

  16. Analytical solution of the problem of acceleration of cargo by a bridge crane with constant acceleration at elimination of swings of a cargo rope

    Science.gov (United States)

    Korytov, M. S.; Shcherbakov, V. S.; Titenko, V. V.

    2018-01-01

    Limitation of the swing of the bridge crane cargo rope is a matter of urgency, as it can significantly improve the efficiency and safety of the work performed. In order to completely dampen the pendulum swing after the break-up of a bridge or a bridge-crane freight cart to maximum speed, it is necessary, in the normal repulsion control of the electric motor, to split the process of dispersion into a minimum of three gaps. For a dynamic system of swinging of a bridge crane on a flexible cable hanger in a separate vertical plane, an analytical solution was obtained to determine the temporal dependence of the cargo rope angle relative to the gravitational vertical when the cargo suspension point moves with constant acceleration. The resulting analytical dependence of the cargo rope angle and its first derivative can break the process of dispersing the cargo suspension point into three stages of dispersal and braking with various accelerations and enter maximum speed of movement of the cargo suspension point. In doing so, the condition of eliminating the swings of the cargo rope relative to the gravitational vertical is fulfilled. Provides examples of the maximum speed output constraints-to-time when removing the rope swing.

  17. Cooperating to Compete in the Global Air Cargo Industry: The Case of the DHL Express and Lufthansa Cargo A.G. Joint Venture Airline ‘AeroLogic’

    Directory of Open Access Journals (Sweden)

    Glenn Baxter

    2018-03-01

    Full Text Available This paper presents a case study of the DHL Express and Lufthansa Cargo strategic joint venture cargo airline ‘AeroLogic’, the global air cargo industry’s largest operative joint venture between an airline and a leading international express and logistics provider. The study used a qualitative research approach. The data gathered for the study was examined by document analysis. The strategic analysis of the AeroLogic joint venture was based on the use of Porter’s Five Forces framework. The study found that the AeroLogic joint venture airline has provided synergistic benefits to both partners and has allowed the partners to access new markets and to participate in the evolution of the air cargo industry. The new venture has also enabled both joint venture partners to enhance their competitive position in the global air cargo industry through strengthened service offerings and has provided the partners with increased cargo capacities, a larger route network, and greater frequencies within their own route networks. The study also found that the AeroLogic business model is unique in the air cargo industry. A limitation of the study was that AeroLogic’s annual revenue or freight traffic data was not available. It was, therefore, not possible to analyse the business performance of the joint venture.

  18. 77 FR 25187 - Extension of Agency Information Collection Activity Under OMB Review: Certified Cargo Screening...

    Science.gov (United States)

    2012-04-27

    ... and include facilties upstream ] in the air cargo supply chain, such as shippers, manufacturers, warehousing entities, distributors, third party logistics companies, and indirect air carriers located in the...

  19. Safety of Oversize Cargo in Ports and in the Sea Transport

    Directory of Open Access Journals (Sweden)

    Miroslaw Chmielinski

    2017-03-01

    Full Text Available Author of the paper analyzes problems related to the safety of the oversize cargo in ports and in the sea transport. Various modes of transport are used to carry oversized units that often include maritime transport. Transport of oversized cargo includes non-standard large and heavy pieces of cargo, such as electric transformers, reactor vessels, wind turbines, airplane fuselage or nuclear power plant components. The above paper is based on results of research oversized cargo in the Elpo Service Company and Pol-Mare Ltd. forwarding consulting agency.

  20. Report on the 2011 and 2012 NASA Ames Research Center (ARC) / Alaska State Cargo Airship Workshops

    Science.gov (United States)

    Hochstettler, Ronald

    2012-01-01

    This presentation will summarize the Cargo Airships for Northern Operations workshop that was held August 24-25, 2011. This workshop co-sponsored by NASA ARC and the Alaska State Department of Transportation was initiated by interest from Alaska Lt. Governor Mead Treadwell for assistance in investigating the potential benefits of proposed cargo airships for the Alaskan economy and societal needs. The workshop provided a brief background on the technology and operational aspects of conventional airships and hybrids followed by presentations on issues affecting cargo airship operations such as weather management, insurance, regulations, crew duty/rest rules, and available support infrastructures. Speakers representing potential cargo airship users from Alaskan State and commercial organizations presented the needs they felt could be met by cargo airship services. Presenters from Canadian private and military interests also detailed applications and missions that cargo airships could provide to remote regions of Canada. Cost drivers of cargo airship operations were also addressed and tools for modeling and analyzing operational factors and costs affecting cargo airship operations were discussed. Four breakout sessions were held which allowed workshop participants to contribute inputs to four topic areas: Business Approaches and Strategies (financing incentives public/private partnerships etc) for Airship Development and Operation, Design, Development, Production Challenges, and Possible Solutions, Regulatory, Certification, Legal, and Insurance Issues, and Operational Issues, Customer Requirements, and Airship Requirements. A follow on to the 2011 cargo airship workshop is being planned for July 31 August 2, 2012. A status update on this second workshop will also be presented.

  1. Diversifying Geoscience by Preparing Faculty as Workshop Leaders to Promote Inclusive Teaching and Inclusive Geoscience Departments

    Science.gov (United States)

    Macdonald, H.; Manduca, C. A.; Beane, R. J.; Doser, D. I.; Ebanks, S. C.; Hodder, J.; McDaris, J. R.; Ormand, C. J.

    2017-12-01

    then incorporate aspects of the session in workshops they lead for their regional faculty networks. Both projects prepare faculty to lead workshops on inclusive practices and programs as a strategy to diversify the geosciences by pervasively changing the way that faculty and departments support students.

  2. A Somatically Diversified Defense Factor, FREP3, Is a Determinant of Snail Resistance to Schistosome Infection

    Science.gov (United States)

    Hanington, Patrick C.; Forys, Michelle A.; Loker, Eric S.

    2012-01-01

    highlights the role of a diversified invertebrate immune molecule in defense against a human pathogen. It suggests new lines of investigation for understanding how susceptibility of snails in areas endemic for S. mansoni could be manipulated and diminished. PMID:22479663

  3. Identification and Expression Patterns of Putative Diversified Carboxylesterases in the Tea Geometrid Ectropis obliqua Prout

    Directory of Open Access Journals (Sweden)

    Liang Sun

    2017-12-01

    Full Text Available Carboxylesterases (CXEs belong to a family of metabolic enzymes. Some CXEs act as odorant-degrading enzymes (ODEs, which are reportedly highly expressed in insect olfactory organs and participate in the rapid deactivation of ester pheromone components and plant volatiles. The tea geometrid Ectropis obliqua Prout produces sex pheromones consisting of non-ester functional compounds but relies heavily on acetic ester plant volatiles to search for host plants and locate oviposition sites. However, studies characterizing putative candidate ODEs in this important tea plant pest are still relatively scarce. In the present study, we identified 35 candidate EoblCXE genes from E. obliqua chemosensory organs based on previously obtained transcriptomic data. The deduced amino acid sequences possessed the typical characteristics of the insect CXE family, including oxyanion hole residues, the Ser-Glu-His catalytic triad, and the Ser active included in the conserved pentapeptide characteristic of esterases, Gly-X-Ser-X-Gly. Phylogenetic analyses revealed that the EoblCXEs were diverse, belonging to several different insect esterase clades. Tissue- and sex-related expression patterns were studied via reverse-transcription and quantitative real-time polymerase chain reaction analyses (RT- and qRT-PCR. The results showed that 35 EoblCXE genes presented a diversified expression profile; among these, 12 EoblCXEs appeared to be antenna-biased, two EoblCXEs were non-chemosensory organ-biased, 12 EoblCXEs were ubiquitous, and nine EoblCXEs showed heterogeneous expression levels among different tissues. Intriguingly, two EoblCXE genes, EoblCXE7 and EoblCXE13, were not only strongly localized to antennal sensilla tuned to odorants, such as the sensilla trichodea (Str I and II and sensilla basiconica (Sba, but were also expressed in the putative gustatory sensilla styloconica (Sst, indicating that these two CXEs might play multiple physiological roles in the E. obliqua

  4. Tunable fiber comb filter based on simple waveplate combination and polarization-diversified loop

    Science.gov (United States)

    Jung, Jaehoon; Lee, Yong Wook

    2017-06-01

    By incorporating a simple waveplate combination (WPC) set composed of two waveplates, we propose a wavelength-tunable fiber comb filter based on a polarization-diversified loop (PDL). The simple WPC set includes three kinds of waveplate groups such as two quarter-wave plates (QWPs), a set of a QWP and a half-wave plate (HWP), and a set of an HWP and a QWP. The PDL is implemented by making a Sagnac birefringence loop comprised of a four-port polarization beam splitter (PBS), two waveplates, and polarization-maintaining fiber (PMF). In the PDL, one end of PMF is connected to one port of the PBS with its slow axis π/4 (45°) oriented with respect to the horizontal axis of the PBS, and the other end of PMF is concatenated with the waveplates. First, we investigated light polarization conditions required to continuously tune the absolute wavelength location of the proposed filter in terms of input and output states of polarization (SOPs) of a birefringence element, or PMF. Then, three analytic transmittances of the filter were derived for the three WPC sets with arbitrary orientation angles of waveplates through Jones matrix formulation. And eight specific orientation angle sets of two waveplates, which caused phase shifts increasing linearly from 0° to 315° by a step of 45° in a sinusoidal transmittance function, were found for each WPC set. In particular, it has been theoretically proved that an orientation angle set of two waveplates, which can induce an arbitrary phase shift in the sinusoidal transmittance function, always exists for each WPC set. This implies that the comb spectrum of the proposed filter can be continuously tuned within one channel bandwidth by the proper control of the waveplate orientation angles. Finally, the input SOPs of PMF and the wavelength-dependent evolution of its output SOP were examined on the Poincare sphere at the eight specific waveplate angle sets. The relationship between the wavelength tuning and the SOP evolution was also

  5. Antecedents of Customer Relationship Termination

    DEFF Research Database (Denmark)

    Ritter, Thomas; Geersbro, Jens

    To end business relationships, or to more actively terminate relationships, has long been acknowledged as part of customer relationship management. However, compared to other elements such as initiation and maintenance of relationships, little is known about the termination of business...... relationships as a managerial task. This paper contributes by (1) developing a conceptualization of relationship termination competence and (2) analyzing its antecedents. The empirical results identify termination acceptance, definition non-customers, organizational relationship termination routines......, and motivation as significant antecedents. Because of this, managers need to develop their organizations in order to use relationship termination as a vital strategy....

  6. Scandium Terminal Imido Chemistry.

    Science.gov (United States)

    Lu, Erli; Chu, Jiaxiang; Chen, Yaofeng

    2018-02-20

    Research into transition metal complexes bearing multiply bonded main-group ligands has developed into a thriving and fruitful field over the past half century. These complexes, featuring terminal M═E/M≡E (M = transition metal; E = main-group element) multiple bonds, exhibit unique structural properties as well as rich reactivity, which render them attractive targets for inorganic/organometallic chemists as well as indispensable tools for organic/catalytic chemists. This fact has been highlighted by their widespread applications in organic synthesis, for example, as olefin metathesis catalysts. In the ongoing renaissance of transition metal-ligand multiple-bonding chemistry, there have been reports of M═E/M≡E interactions for the majority of the metallic elements of the periodic table, even some actinide metals. In stark contrast, the largest subgroup of the periodic table, rare-earth metals (Ln = Sc, Y, and lanthanides), have been excluded from this upsurge. Indeed, the synthesis of terminal Ln═E/Ln≡E multiple-bonding species lagged behind that of the transition metal and actinide congeners for decades. Although these species had been pursued since the discovery of a rare-earth metal bridging imide in 1991, such a terminal (nonpincer/bridging hapticities) Ln═E/Ln≡E bond species was not obtained until 2010. The scarcity is mainly attributed to the energy mismatch between the frontier orbitals of the metal and the ligand atoms. This renders the putative terminal Ln═E/Ln≡E bonds extremely reactive, thus resulting in the formation of aggregates and/or reaction with the ligand/environment, quenching the multiple-bond character. In 2010, the stalemate was broken by the isolation and structural characterization of the first rare-earth metal terminal imide-a scandium terminal imide-by our group. The double-bond character of the Sc═N bond was unequivocally confirmed by single-crystal X-ray diffraction. Theoretical investigations revealed the presence

  7. Filament-filament switching can be regulated by separation between filaments together with cargo motor number.

    Directory of Open Access Journals (Sweden)

    Robert P Erickson

    Full Text Available How intracellular transport controls the probability that cargos switch at intersections between filaments is not well understood. In one hypothesis some motors on the cargo attach to one filament while others attach to the intersecting filament, and the ensuing tug-of-war determines which filament is chosen. We investigate this hypothesis using 3D computer simulations, and discover that switching at intersections increases with the number of motors on the cargo, but is not strongly dependent on motor number when the filaments touch. Thus, simply controlling the number of active motors on the cargo cannot account for in vivo observations that found reduced switching with increasing motor number, suggesting additional mechanisms of regulation. We use simulations to show that one possible way to regulate switching is by simultaneously adjusting the separation between planes containing the crossing filaments and the total number of active motors on the cargo. Heretofore, the effect of filament-filament separation on switching has been unexplored. We find that the switching probability decreases with increasing filament separation. This effect is particularly strong for cargos with only a modest number of motors. As the filament separation increases past the maximum head-to-head distance of the motor, individual motors walking along a filament will be unable to reach the intersecting filament. Thus, any switching requires that other motors on the cargo attach to the intersecting filament and haul the cargo along it, while motor(s engaged on the original filament detach. Further, if the filament separation is large enough, the cargo can have difficulty proceeding along the initial filament because the engaged motors can walk underneath the intersecting filament, but the cargo itself cannot fit between the filaments. Thus, the cargo either detaches entirely from the original filament, or must dip to the side of the initial filament and then pass below

  8. Filament-filament switching can be regulated by separation between filaments together with cargo motor number.

    Science.gov (United States)

    Erickson, Robert P; Gross, Steven P; Yu, Clare C

    2013-01-01

    How intracellular transport controls the probability that cargos switch at intersections between filaments is not well understood. In one hypothesis some motors on the cargo attach to one filament while others attach to the intersecting filament, and the ensuing tug-of-war determines which filament is chosen. We investigate this hypothesis using 3D computer simulations, and discover that switching at intersections increases with the number of motors on the cargo, but is not strongly dependent on motor number when the filaments touch. Thus, simply controlling the number of active motors on the cargo cannot account for in vivo observations that found reduced switching with increasing motor number, suggesting additional mechanisms of regulation. We use simulations to show that one possible way to regulate switching is by simultaneously adjusting the separation between planes containing the crossing filaments and the total number of active motors on the cargo. Heretofore, the effect of filament-filament separation on switching has been unexplored. We find that the switching probability decreases with increasing filament separation. This effect is particularly strong for cargos with only a modest number of motors. As the filament separation increases past the maximum head-to-head distance of the motor, individual motors walking along a filament will be unable to reach the intersecting filament. Thus, any switching requires that other motors on the cargo attach to the intersecting filament and haul the cargo along it, while motor(s) engaged on the original filament detach. Further, if the filament separation is large enough, the cargo can have difficulty proceeding along the initial filament because the engaged motors can walk underneath the intersecting filament, but the cargo itself cannot fit between the filaments. Thus, the cargo either detaches entirely from the original filament, or must dip to the side of the initial filament and then pass below the crossing

  9. 46 CFR 32.60-15 - Segregation of cargo; Grade E-TB/ALL.

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 1 2010-10-01 2010-10-01 false Segregation of cargo; Grade E-TB/ALL. 32.60-15 Section 32.60-15 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY TANK VESSELS SPECIAL EQUIPMENT... § 32.60-15 Segregation of cargo; Grade E—TB/ALL. (a) General. The galleys, living quarters, navigation...

  10. 46 CFR 38.15-5 - Cargo hose-TB/ALL.

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 1 2010-10-01 2010-10-01 false Cargo hose-TB/ALL. 38.15-5 Section 38.15-5 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY TANK VESSELS LIQUEFIED FLAMMABLE GASES Special Requirements § 38.15-5 Cargo hose—TB/ALL. (a) When the liquid and vapor line hoses used for loading and discharging...

  11. 19 CFR 192.14 - Electronic information for outward cargo required in advance of departure.

    Science.gov (United States)

    2010-04-01

    ... Information Through the Automated Export System (AES) § 192.14 Electronic information for outward cargo... or its authorized agent must use a CBP-approved electronic data interchange system (currently, the... authorized agents must electronically transmit and verify system acceptance of required cargo information for...

  12. 49 CFR 176.192 - Cargo handling equipment for freight containers carrying Class 1 (explosive) materials.

    Science.gov (United States)

    2010-10-01

    ...) Materials Handling Class 1 (explosive) Materials in Port § 176.192 Cargo handling equipment for freight containers carrying Class 1 (explosive) materials. (a) Except in an emergency, only cargo handling equipment... load, unload, or handle freight containers containing Division 1.1 or 1.2 (explosive) materials. (b...

  13. 46 CFR 308.551 - War risk insurance clearing agency agreement for cargo, Form MA-321.

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 8 2010-10-01 2010-10-01 false War risk insurance clearing agency agreement for cargo... EMERGENCY OPERATIONS WAR RISK INSURANCE War Risk Cargo Insurance Iv-General § 308.551 War risk insurance... American War Risk Agency or MARAD. ...

  14. 76 FR 4709 - Extension of Agency Information Collection Activity Under OMB Review: Certified Cargo Screening...

    Science.gov (United States)

    2011-01-26

    ... off- airport and includes facilities upstream in the air cargo supply chain, such as shippers, manufacturers, warehousing entities, distributors, third party logistics companies, and Indirect Air Carriers... supply chain to accept, screen, and transport air cargo. The uninterrupted collection of this information...

  15. 76 FR 8658 - Bulk Solid Hazardous Materials: Harmonization With the International Maritime Solid Bulk Cargoes...

    Science.gov (United States)

    2011-02-15

    ... issues Special Permits as part of its mission to ensure maritime safety and facilitate U.S. commerce. To... Solid Hazardous Materials: Harmonization With the International Maritime Solid Bulk Cargoes (IMSBC) Code... International Convention for the Safety of Life at Sea (SOLAS), 1974, as amended, that carry bulk solid cargoes...

  16. CargoVibes: human response to vibration due to freight rail traffic

    NARCIS (Netherlands)

    Waddington, D.; Woodcock, J.; Smith, M.G.; Janssen, S.A.; Persson Waye, K.

    2015-01-01

    The aim of this paper is to present an overview of the research concerning human response to vibration conducted in the EU FP7 CargoVibes project. The European Union-funded project CargoVibes involved 10 partners from 8 nations and ran from April 2011 to April 2014. The project was concerned with

  17. On the question of the capacity of warehouses of packaged-piece cargoes

    Directory of Open Access Journals (Sweden)

    Ilesaliev D.I.

    2017-06-01

    Full Text Available Mathematical models are proposed that establish interrelations between the individual parameters of a warehouse of packaged piece cargo. The models were used in the study of the mutual influence of the parameters on each other, also the capacity of the warehouses of packaged cargo

  18. 46 CFR 153.515 - Special requirements for extremely flammable cargoes.

    Science.gov (United States)

    2010-10-01

    ... DANGEROUS CARGOES SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALS Design... under pressure or that is submerged; and (c) The cargo tank's relief valve setting must be no less than 21 kPa gauge (approx. 3 psig). ...

  19. The GRIP1/14-3-3 pathway coordinates cargo trafficking and dendrite development

    NARCIS (Netherlands)

    Geiger, J.C.; Lipka, Joanna; Hoyer, S.; Schlager, M.A.; Wulf, Phebe; Weinges, S.; Demmers, J.; Hoogenraad, Casper

    2014-01-01

    Regulation of cargo transport via adaptor molecules is essential for neuronal development. However, the role of PDZ scaffolding proteins as adaptors in neuronal cargo trafficking is still poorly understood. Here, we show by genetic deletion in mice that the multi-PDZ domain scaffolding protein

  20. Molecular sleds comprising a positively -charged amino acid sequence and a molecular cargo and uses thereof

    NARCIS (Netherlands)

    Mangel, F Walter; Blainey, Paul C; Graziano, Vito; Herrmann, Andreas; McGrath, William J; van Oijen, Antonius Martinus; Xie, Xiaoliang Sunney

    2014-01-01

    The present invention relates to compositions which may comprise a molecular sled linked to cargo and uses thereof. In particular, the present invention relates to a non-naturally occurring or engineered composition which may comprise a molecular sled, linkers and a molecular cargo connected to the

  1. 46 CFR 154.709 - Cargo boil-off as fuel: Gas detection equipment.

    Science.gov (United States)

    2010-10-01

    ... CARGOES SAFETY STANDARDS FOR SELF-PROPELLED VESSELS CARRYING BULK LIQUEFIED GASES Design, Construction and... percent by volume; and (ii) Closes the master gas fuel valve required under § 154.708(c) before the... amended by CGD 82-063b, 48 FR 4782, Feb. 3, 1983] Cargo Vent Systems ...

  2. 46 CFR 38.05-2 - Design and construction of cargo tanks-general-TB/ALL.

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 1 2010-10-01 2010-10-01 false Design and construction of cargo tanks-general-TB/ALL... FLAMMABLE GASES Design and Installation § 38.05-2 Design and construction of cargo tanks—general—TB/ALL. (a... tanks on barges shall be designed in accordance with § 32.63-25 of this subchapter. (f) Each liquefied...

  3. 49 CFR 178.320 - General requirements applicable to all DOT specification cargo tank motor vehicles.

    Science.gov (United States)

    2010-10-01

    ... MATERIALS REGULATIONS SPECIFICATIONS FOR PACKAGINGS Specifications for Containers for Motor Vehicle... lading retention or containment function and provides no structural support to the cargo tank. Baffle.... Cargo tank means a bulk packaging that: (1) Is a tank intended primarily for the carriage of liquids...

  4. 75 FR 9915 - Extension of Agency Information Collection Activity Under OMB Review: Certified Cargo Screening...

    Science.gov (United States)

    2010-03-04

    ...-airport and includes facilties upstream in the air cargo supply chain, such as shippers, manufacturers...] Extension of Agency Information Collection Activity Under OMB Review: Certified Cargo Screening Program... Request (ICR), OMB control number 1652-0053, abstracted below to the Office of Management and Budget (OMB...

  5. 77 FR 6135 - Agency Information Collection Activities: Cargo Manifest/Declaration, Stow Plan, Container Status...

    Science.gov (United States)

    2012-02-07

    ... Activities: Cargo Manifest/ Declaration, Stow Plan, Container Status Messages and Importer Security Filing... the Paperwork Reduction Act: Cargo Manifest/Declaration, Stow Plan, Container Status Messages and.../Declaration, Stow Plan, Container Status Messages and Importer Security Filing. OMB Number: 1651-0001. Form...

  6. 76 FR 72715 - Agency Information Collection Activities: Cargo Manifest/Declaration, Stow Plan, Container Status...

    Science.gov (United States)

    2011-11-25

    ... Activities: Cargo Manifest/ Declaration, Stow Plan, Container Status Messages and Importer Security Filing... Manifest/Declaration, Stow Plan, Container Status Messages and Importer Security Filing. This request for... concerning the following information collection. Title: Cargo Manifest/Declaration, Stow Plan, Container...

  7. 77 FR 3487 - Agency Information Collection Activities: Transfer of Cargo to a Container Station

    Science.gov (United States)

    2012-01-24

    ... Activities: Transfer of Cargo to a Container Station AGENCY: U.S. Customs and Border Protection (CBP... requirement concerning Transfer of Cargo to a Container Station. This request for comment is being made... to a Container Station. OMB Number: 1651-0096. Form Number: None. Abstract: Before the filing of an...

  8. 75 FR 6092 - Special Conditions: Model C-27J Airplane; Class E Cargo Compartment Lavatory

    Science.gov (United States)

    2010-02-08

    ... sources for a fire; and an oxygen supply system, which could intensify the growth and size of a fire... requirements for cargo- or baggage-compartment fire- or smoke-detection systems, and a standard that fire be... lavatory, and the oxygen-supply system in the lavatory, in the event of a smoke-detector alarm in the cargo...

  9. 33 CFR 126.29 - Supervision and control of dangerous cargo.

    Science.gov (United States)

    2010-07-01

    ... 33 Navigation and Navigable Waters 2 2010-07-01 2010-07-01 false Supervision and control of... Supervision and control of dangerous cargo. (a) Authority. The Captain of the Port is authorized to require... cargo covered by this subchapter shall be undertaken and continued only under the immediate supervision...

  10. 49 CFR 175.26 - Notification at cargo facilities of hazardous materials requirements.

    Science.gov (United States)

    2010-10-01

    ... following information: (1) Cargo containing hazardous materials (dangerous goods) for transportation by... U.S.C. 5124). (3) Hazardous materials (dangerous goods) include explosives, compressed gases... 49 Transportation 2 2010-10-01 2010-10-01 false Notification at cargo facilities of hazardous...

  11. 29 CFR Appendix III to Part 1918 - The Mechanics of Conventional Cargo Gear (Non-mandatory)

    Science.gov (United States)

    2010-07-01

    ... 29 Labor 7 2010-07-01 2010-07-01 false The Mechanics of Conventional Cargo Gear (Non-mandatory.... 1918, App. III Appendix III to Part 1918—The Mechanics of Conventional Cargo Gear (Non-mandatory) Note: This appendix is non-mandatory and provides an explanation of the mechanics in the correct spotting of...

  12. POWERDRESS and diversified expression of the MIR172 gene family bolster the floral stem cell network.

    Directory of Open Access Journals (Sweden)

    Rae Eden Yumul

    Full Text Available Termination of the stem cells in the floral meristem (also known as floral determinacy is critical for the reproductive success of plants, and the molecular activities regulating floral determinacy are precisely orchestrated during the course of floral development. In Arabidopsis thaliana, regulators of floral determinacy include several transcription factor genes, such as APETALA2 (AP2, AGAMOUS (AG, SUPERMAN (SUP, and CRABSCLAW (CRC, as well as a microRNA (miRNA, miR172, which targets AP2. How the transcription factor and miRNA genes are coordinately regulated to achieve floral determinacy is unknown. A mutation in POWERDRESS (PWR, a previously uncharacterized gene encoding a SANT-domain-containing protein, was isolated in this study as an enhancer of the weakly indeterminate ag-10 allele. PWR was found to promote the transcription of CRC, MIR172a, b, and c and/or enhance Pol II occupancy at their promoters, without affecting MIR172d or e. A mutation in mature miR172d was additionally found to enhance the determinacy defects of ag-10 in an AP2-dependent manner, providing direct evidence that miR172d is functional in repressing AP2 and thereby contributes to floral determinacy. Thus, while PWR promotes floral determinacy by enhancing the expression of three of the five MIR172 members as well as CRC, MIR172d, whose expression is PWR-independent, also functions in floral stem cell termination. Taken together, these findings demonstrate how transcriptional diversification and functional redundancy of a miRNA family along with PWR-mediated co-regulation of miRNA and transcription factor genes contribute to the robustness of the floral determinacy network.

  13. Evidence for diversifying selection in a set of Mycobacterium tuberculosis genes in response to antibiotic- and nonantibiotic-related pressure.

    Science.gov (United States)

    Osório, Nuno S; Rodrigues, Fernando; Gagneux, Sebastien; Pedrosa, Jorge; Pinto-Carbó, Marta; Castro, António G; Young, Douglas; Comas, Iñaki; Saraiva, Margarida

    2013-06-01

    Tuberculosis (TB) is a global health problem estimated to kill 1.4 million people per year. Recent advances in the genomics of the causative agents of TB, bacteria known as the Mycobacterium tuberculosis complex (MTBC), have allowed a better comprehension of its population structure and provided the foundation for molecular evolution analyses. These studies are crucial for a better understanding of TB, including the variation of vaccine efficacy and disease outcome, together with the emergence of drug resistance. Starting from the analysis of 73 publicly available genomes from all the main MTBC lineages, we have screened for evidences of positive selection, a set of 576 genes previously associated with drug resistance or encoding membrane proteins. As expected, because antibiotics constitute strong selective pressure, some of the codons identified correspond to the position of confirmed drug-resistance-associated substitutions in the genes embB, rpoB, and katG. Furthermore, we identified diversifying selection in specific codons of the genes Rv0176 and Rv1872c coding for MCE1-associated transmembrane protein and a putative l-lactate dehydrogenase, respectively. Amino acid sequence analyses showed that in Rv0176, sites undergoing diversifying selection were in a predicted antigen region that varies between "modern" lineages and "ancient" MTBC/BCG strains. In Rv1872c, some of the sites under selection are predicted to impact protein function and thus might result from metabolic adaptation. These results illustrate that diversifying selection in MTBC is happening as a consequence of both antibiotic treatment and other evolutionary pressures.

  14. CHARACTERISTICS OF THE CARGO INSURANCE CONTRACT IN CASE OF INTERNATIONAL LAND TRANSPORT

    Directory of Open Access Journals (Sweden)

    Dănilă Ștefan MATEI

    2017-05-01

    Full Text Available Cargo international transport is an engine for the development of the economic relations between states involving cross-border movement of goods through the crossing of at least one border of a state (international transport or by crossing at least two border crossing points, in which case we are in the presence of an international cargo transit. During the transit the goods transported may be subject to an insurance. The object of the cargo insurance is, thus, represented by the goods, the items expressly listed in the insurance policy, within the territorial limits specified in the insurance policy, both during the transport and during the storage, in the latter case, at the express request of the insured and with the acceptance of the insurer. This paper analyzes the characteristics of the cargo insurance aiming to present the theoretical and practical aspects of interest with regard to the cargo insurance concluded in case of an international land freight transport.

  15. Accelerator terminal voltage stability

    Science.gov (United States)

    Ferry, J. A.; Kolonko, J. J.; Phillips, S. H.; Lunstrum, S. J.

    1992-02-01

    Measurements reported at the 11th International Conference on Applications of Accelerators in Research and Industry [Schroeder et al., Nucl. Instr. and Meth. B56/B57 (1991) 1033] for a 1 MV single-ended Pelletron accelerator equipped with corona probe and tank liner voltage stabilizers have been extended by measuring the resonant yield of γ-rays from the 27Al(p, γ) 28Si reaction at 992 keV. Results show that terminal voltage stability is consistent with the earlier measurement of 31 V FWHM for ripple at 1 MV for periods of about one-half ( {1}/{2}) hour.

  16. Accelerator terminal voltage stability

    International Nuclear Information System (INIS)

    Ferry, J.A.; Kolonko, J.J.; Phillips, S.H.; Lunstrum, S.J.

    1992-01-01

    Measurements reported at the 11th International Conference on Applications of Accelerators in Research and Industry for a 1 MV single-ended Pelletron accelerator equipped with corona probe and tank liner voltage stabilizers have been extended by measuring the resonant yield of γ-rays from the 27 Al(p,γ) 28 Si reaction at 992 keV. Results show that terminal voltage stability is consistent with the earlier measurement of 31 V FWHM for ripple at 1 MV for periods of about one-half (1/2) hour. (orig.)

  17. Third party access to LNG terminals. GIIGNL - Commercial Study Group Topic 8

    International Nuclear Information System (INIS)

    2012-11-01

    This report has been elaborated in the context of the GIIGNL Commercial Study Group (CSG) activities, which include as one of its topics the 'Third Party Access to LNG terminals' (Topic 8), led by Enagas. The 2010 edition is the third update to the report presented during the meeting of the GIIGNL Commercial Study Group in Tokyo, Japan, in September 2007. - Section 1 includes a review of the regulatory TPA regimes of LNG terminals in operation in Europe. The existing regime in each country, or for each terminal, is reviewed following a number of subsections. Each subsection follows the same structure in order to better understand the different arrangements and facilitate comparisons. - Section 2 shows data on effective usage and TPA access to each LNG terminal since 2000. Three main data are shown where available: number of cargoes delivered, volumes unloaded / sent-out, and the part of these cargoes/volumes that correspond to third parties. - Section 3 includes a tariff comparison for TPA to LNG terminals in Europe, taking into account the terms and conditions in force as of July 2010. - A description of the regulatory situation in the US in Sections 4. Access conditions to the three terminals under regulated TPA have been included for the first time: Lake Charles, Cove Point and Elba Island. An overview of Mexico and Canada is also reported. - An overview of the regulatory situation in Japan is provided in Section 5. The information required for the elaboration of this report has been collected from official web sites (LNG operators, regulatory authorities and industry associations), public reports and industry and statistical data Enagas deems to be reliable. For the adoption of certain hypothesis in Section 3 Enagas has also relied in information directly provided by operators

  18. Megavoltage cargo radiography with dual energy material decomposition

    Science.gov (United States)

    Shikhaliev, Polad M.

    2018-02-01

    Megavoltage (MV) radiography has important applications in imaging large cargos for detecting illicit materials. A useful feature of MV radiography is the possibility of decomposing and quantifying materials with different atomic numbers. This can be achieved by imaging cargo at two different X-ray energies, or dual energy (DE) radiography. The performance of both single energy and DE radiography depends on beam energy, beam filtration, radiation dose, object size, and object content. The purpose of this work was to perform comprehensive qualitative and quantitative investigations of the image quality in MV radiography depending on the above parameters. A digital phantom was designed including Fe background with thicknesses of 2cm, 6cm, and 18cm, and materials samples of Polyethylene, Fe, Pb, and U. The single energy images were generated at x-ray beam energies 3.5MV, 6MV, and 9MV. The DE material decomposed images were generated using interlaced low and high energy beams 3.5/6MV and 6/9MV. The X-ray beams were filtered by low-Z (Polyethylene) and high-Z (Pb) filters with variable thicknesses. The radiation output of the accelerator was kept constant for all beam energies. The image quality metrics was signal-to-noise ratio (SNR) of the particular sample over a particular background. It was found that the SNR depends on the above parameters in a complex way, but can be optimized by selecting a particular set of parameters. For some imaging setups increased filter thicknesses, while strongly absorbing the beams, increased the SNR of material decomposed images. Beam hardening due to polyenergetic x-ray spectra resulted in material decomposition errors, but this could be addressed using region of interest decomposition. It was shown that it is not feasible to separate the materials with close atomic numbers using the DE method. Particularly, Pb and U were difficult to decompose, at least at the dose levels allowed by radiation source and safety requirements.

  19. MAC Air Cargo Data Entry: 3. Initial Testing of On-Line Terminal, Digital Recorder, and Checksheet

    Science.gov (United States)

    1976-08-01

    environment although novel was not particularly stressful . More notable differences In time were observed from session to session witnin each day of...not childish and would use the in3turment as a tool and not a toy." Operator B. "Mostly a person who would be conscious of what he is doing. Someone who

  20. 46 CFR 154.530 - Valves: Cargo tank MARVS 69 kPa gauge (10 psig) or lower.

    Science.gov (United States)

    2010-10-01

    ... 46 Shipping 5 2010-10-01 2010-10-01 false Valves: Cargo tank MARVS 69 kPa gauge (10 psig) or lower..., Construction and Equipment Cargo and Process Piping Systems § 154.530 Valves: Cargo tank MARVS 69 kPa gauge (10 psig) or lower. (a) Except those connections for tank safety relief valves and for liquid level gauging...

  1. 75 FR 63192 - Intent To Request Renewal From OMB of One Current Public Collection of Information: Air Cargo...

    Science.gov (United States)

    2010-10-14

    ... Commission Act of 2007, Public Law 110-53, Congress requires that 50 percent of cargo transported on... carriers transport cargo. TSA estimates this will take an estimated one hour per week (52 hours per year...] Intent To Request Renewal From OMB of One Current Public Collection of Information: Air Cargo Security...

  2. 46 CFR 154.1836 - Vapor venting as a means of cargo tank pressure and temperature control.

    Science.gov (United States)

    2010-10-01

    ... cargo pressure and temperature control system under §§ 154.701 through 154.709 is operating and that venting of cargo is unnecessary to maintain cargo temperature and pressure control, except under emergency... temperature control. 154.1836 Section 154.1836 Shipping COAST GUARD, DEPARTMENT OF HOMELAND SECURITY...

  3. Designing fault-tolerant real-time computer systems with diversified bus architecture for nuclear power plants

    International Nuclear Information System (INIS)

    Behera, Rajendra Prasad; Murali, N.; Satya Murty, S.A.V.

    2014-01-01

    Fault-tolerant real-time computer (FT-RTC) systems are widely used to perform safe operation of nuclear power plants (NPP) and safe shutdown in the event of any untoward situation. Design requirements for such systems need high reliability, availability, computational ability for measurement via sensors, control action via actuators, data communication and human interface via keyboard or display. All these attributes of FT-RTC systems are required to be implemented using best known methods such as redundant system design using diversified bus architecture to avoid common cause failure, fail-safe design to avoid unsafe failure and diagnostic features to validate system operation. In this context, the system designer must select efficient as well as highly reliable diversified bus architecture in order to realize fault-tolerant system design. This paper presents a comparative study between CompactPCI bus and Versa Module Eurocard (VME) bus architecture for designing FT-RTC systems with switch over logic system (SOLS) for NPP. (author)

  4. Lunar Communication Terminals for NASA Exploration Missions: Needs, Operations Concepts and Architectures

    Science.gov (United States)

    Bhasin, Kul B.; Warner, Joseph D.; Anderson, Lynn M.

    2008-01-01

    NASA is conducting architecture studies prior to deploying a series of short- and long-duration human and robotic missions for the exploration of the Moon and Mars under the Vision for Space Exploration Initiative. A key objective of these missions is to establish and expand, through a series of launches, a system of systems approach to exploration capabilities and science return. The systems identified were Crew Exploration Vehicles, crew and cargo launch vehicles, crew EVA suits, crew and cargo landers, habitats, mobility carriers, and small, pressurized rovers. Multiple space communication networks and systems, deployed over time, will support these space exploration systems of systems. Each deployment phase will support interoperability of components and provide 20 years of legacy systems. In this paper, we describe the modular lunar communications terminals needed for the emerging lunar mission operational scenarios. These lunar communication terminals require flexibility for use in stationary, integrated, and mobile environments. They will support links directly to Earth, to lunar relay satellites, to astronauts and to fixed and mobile lunar surface systems. The operating concepts and traffic models are presented for these terminals within variety of lunar scenarios. A preliminary architecture is outlined, providing for suitable long-duration operations in the harsh lunar environment.

  5. Systems Analysis and Structural Design of an Unpressurized Cargo Delivery Vehicle

    Science.gov (United States)

    Wu, K. Chauncey; Cruz, Jonathan N.; Antol, Jeffrey; Sasamoto, Washito A.

    2007-01-01

    The International Space Station will require a continuous supply of replacement parts for ongoing maintenance and repair after the planned retirement of the Space Shuttle in 2010. These parts are existing line-replaceable items collectively called Orbital Replacement Units, and include heavy and oversized items such as Control Moment Gyroscopes and stowed radiator arrays originally intended for delivery aboard the Space Shuttle. Current resupply spacecraft have limited to no capability to deliver these external logistics. In support of NASA's Exploration Systems Architecture Study, a team at Langley Research Center designed an Unpressurized Cargo Delivery Vehicle to deliver bulk cargo to the Space Station. The Unpressurized Cargo Delivery Vehicle was required to deliver at least 13,200 lbs of cargo mounted on at least 18 Flight Releasable Attachment Mechanisms. The Crew Launch Vehicle design recommended in the Exploration Systems Architecture Study would be used to launch one annual resupply flight to the International Space Station. The baseline vehicle design developed here has a cargo capacity of 16,000 lbs mounted on up to 20 Flight Releasable Attachment Mechanisms. Major vehicle components are a 5.5m-diameter cargo module containing two detachable cargo pallets with the payload, a Service Module to provide propulsion and power, and an aerodynamic nose cone. To reduce cost and risk, the Service Module is identical to the one used for the Crew Exploration Vehicle design.

  6. Resolution and termination

    Directory of Open Access Journals (Sweden)

    Adina FOLTIŞ

    2012-01-01

    Full Text Available The resolution, the termination and the reduction of labour conscription are regulated by articles 1549-1554 in the new Civil Code, which represents the common law in this matter. We appreciate that the new regulation does not conclusively clarify the issue related to whether the existence of liability in order to call upon the resolution is necessary or not, because the existence of this condition has been inferred under the previous regulation from the fact that the absence of liability shifts the inexecution issue on the domain of fortuitous impossibility of execution, situation in which the resolution of the contract is not in question, but that of the risk it implies.

  7. LNG REGASIFICATION TERMINALS ACCESS CAPACITY ANALYSIS FOR SECURITY OF EUROPEAN NATURAL GAS SUPPLY

    Directory of Open Access Journals (Sweden)

    Matija Veselić

    2011-12-01

    Full Text Available Increasing natural gas consumption, declining North Sea gas reserves, increased production costs and the deregulation of European gas and electricity markets have all combined to create new opportunities for LNG in Europe. In these circumstances, LNG represents an opportunity for many European countries to diversify their natural gas supply, while decreasing their dependence on Russian natural gas import at the same time. The largest exporters of LNG to Europe are Qatar, Algeria, Nigeria, Trinidad & Tobago, Egypt and Oman. Spain, Great Britain and France are the largest European importers of LNG. Spain has six LNG regasification terminals, followed by four in Great Britain, three in France, two in Italy and Turkey and finally Greece and Portugal with one terminal each. New LNG regasification terminals are currently under construction in Italy, Spain, Sweden and Netherlands. In addition, more than 30 new LNG terminal projects have been proposed around Europe. Italy plans to construct as many as 10 new regasification terminals, due to the strong orientation of its national energy policy towards LNG. Many European countries are strongly considering participating in the LNG chain for the first time, namely Albania, Cyprus, Ireland, Lithuania, Germany, Poland, Romania, Ukraine and Croatia. This paper focuses on a specific aspect of the LNG supply chain: the import facility (the paper is published in Croatian.

  8. DNA hairpins promote temperature controlled cargo encapsulation in a truncated octahedral nanocage structure family

    DEFF Research Database (Denmark)

    Franch, Oskar; Iacovelli, Federico; Falconi, Mattia

    2016-01-01

    In the present study we investigate the mechanism behind temperature controlled cargo uptake using a truncated octahedral DNA cage scaffold functionalized with one, two, three or four hairpin forming DNA strands inserted in one corner of the structure. This investigation was inspired by our...... previous demonstration of temperature controlled reversible encapsulation of the cargo enzyme, horseradish peroxidase, in the cage with four hairpin forming strands. However, in this previous study the mechanism of cargo uptake was not directly addressed (Juul, et al., Temperature-Controlled Encapsulation...

  9. Scientific opinion on the evaluation of substances as acceptable previous cargoes for edible fats and oils

    DEFF Research Database (Denmark)

    Petersen, Annette

    Shipping of edible fats and oils into Europe is permitted in bulk tanks, provided that the previous cargo is included in a positive list. The European Commission requested EFSA to evaluate the acceptability as previous cargoes for fats and oils the substances calcium lignosulphonate, methyl acetate......, ethyl tert-butyl ether (ETBE) and ammonium sulphate. The evaluation was based on the same criteria as those used for the evaluation of the substances currently on the list in the Annex to Commission Directive 96/3/EC as acceptable previous cargoes for edible fats and oils. Methyl acetate and ETBE meet...

  10. Floating terminal as an alternative to shore terminals

    Energy Technology Data Exchange (ETDEWEB)

    Terenzio, M. [CoeClerici Logistics S.p.A. (Italy)

    2003-07-01

    Transfer vessels, floating terminals, catamaran type or Floating Transfer Stations (FTSs) are some of the latest alternative solutions to standard floating cranes. The CoeClerici 'Bulkwayuu' and 'Boca Grande' floating terminals are described and their advantages over shore-based structures are itemised. The text is accompanied by 17 overhead/slides. 1 fig.

  11. SCATHA mission termination report

    Science.gov (United States)

    Stakkestad, Kjell; Fennessey, Richard

    1993-02-01

    discusses the various proposed termination plans and execution of the selected one. Attitude determination methodologies, nutation from maneuvers, and effects of the flexible booms on the termination mission are presented and analyzed from a satellite analyst point of view.

  12. Development of Diversified Tourism Destination Products – A Case Study of Tourism Destination, Municipality of Sofia, Bulgaria

    Directory of Open Access Journals (Sweden)

    Elena PETKOVA

    2017-03-01

    Full Text Available In this paper, it is argued that there is a variety of products and accordingly a diversity of types of tourism in the municipality of Sofia, Bulgaria: urban and "non-urban", mass and specialized, tourism based on natural and anthropogenic, on tangible and intangible resources. In this regard, diverse tourism products of the destination may be offered to its visitors, which to a greater extent meets their various needs and contributes to the sustainable tourism development. Thus, the aim of the paper is to reveal whether tourism professionals in Sofia are aware of the possibilities for combining various types of tourism and promoting the diversified destination tourism product among local and foreign visitors.

  13. Terminal Satisfiability in GSTE

    Directory of Open Access Journals (Sweden)

    Yongsheng Xu

    2014-01-01

    Full Text Available Generalized symbolic trajectory evaluation (GSTE is an extension of symbolic trajectory evaluation (STE and a method of model checking. GSTE specifications are given as assertion graphs. There are four efficient methods to verify whether a circuit model obeys an assertion graph in GSTE, Model Checking Strong Satisfiability (SMC, Model Checking Normal Satisfiability (NMC, Model Checking Fair Satisfiability (FMC, and Model Checking Terminal Satisfiability (TMC. SMC, NMC, and FMC have been proved and applied in industry, but TMC has not. This paper gives a six-tuple definition and presents a new algorithm for TMC. Based on these, we prove that our algorithm is sound and complete. It solves the SMC’s limitation (resulting in false negative without extending from finite specification to infinite specification. At last, a case of using TMC to verify a realistic hardware circuit round-robin arbiter is achieved. Avoiding verifying the undesired paths which are not related to the specifications, TMC makes it possible to reduce the computational complexity, and the experimental results suggest that the time cost by SMC is 3.14× with TMC in the case.

  14. Selection of Air Terminal Device

    DEFF Research Database (Denmark)

    Nielsen, Peter V.

    This paper discusses the selection of the air terminal device for the experiments and numerical prediction in the International Energy Agency Annex 20 work: Air Flow Pattern within Buildings,......This paper discusses the selection of the air terminal device for the experiments and numerical prediction in the International Energy Agency Annex 20 work: Air Flow Pattern within Buildings,...

  15. Kinesin-Binding Protein Controls Microtubule Dynamics and Cargo Trafficking by Regulating Kinesin Motor Activity

    NARCIS (Netherlands)

    Kevenaar, Josta T|info:eu-repo/dai/nl/338771042; Bianchi, Sarah; van Spronsen, Myrrhe|info:eu-repo/dai/nl/337616655; Olieric, Natacha; Lipka, Joanna|info:eu-repo/dai/nl/369403142; Frias, Cátia P; Mikhaylova, Marina; Harterink, Martin|info:eu-repo/dai/nl/304075655; Keijzer, Nanda; Wulf, Phebe S; Hilbert, Manuel; Kapitein, Lukas C|info:eu-repo/dai/nl/298806630; de Graaff, Esther|info:eu-repo/dai/nl/148374646; Akhmanova, Anna|info:eu-repo/dai/nl/156410591; Steinmetz, Michel O; Hoogenraad, Casper C|info:eu-repo/dai/nl/227263502

    2016-01-01

    Kinesin motor proteins play a fundamental role for normal neuronal development by controlling intracellular cargo transport and microtubule (MT) cytoskeleton organization. Regulating kinesin activity is important to ensure their proper functioning, and their misregulation often leads to severe human

  16. 33 CFR 149.130 - What are the requirements for the cargo transfer system alarm?

    Science.gov (United States)

    2010-07-01

    ... EQUIPMENT Pollution Prevention Equipment § 149.130 What are the requirements for the cargo transfer system... system. (b) The alarm must sound automatically in the control room and: (1) Be capable of being activated...

  17. International air cargo operations and gateways : their emerging importance to the state of Texas.

    Science.gov (United States)

    2011-07-01

    Air cargo transport has become particularly important in todays expanding global : economy for the movement of high-value goods such as electronics, computer components, : precision equipment, medical supplies, auto parts, and perishables. Air car...

  18. Matrix-dependent local retention of secretory vesicle cargo in cortical neurons

    NARCIS (Netherlands)

    de Wit, J.; Toonen, R.F.G.; Verhage, M.

    2009-01-01

    Neurons secrete many diffusible signals from synaptic and other secretory vesicles. We characterized secretion of guidance cues, neuropeptides, neurotrophins, and proteases from single secretory vesicles using pHluorin-tagged cargo in cortical neurons. Stimulation triggered transient and persistent

  19. 46 CFR 154.1710 - Exclusion of air from cargo tank vapor spaces.

    Science.gov (United States)

    2010-10-01

    ... is loaded by maintaining a positive pressure of at least 13.8 kPa gauge (2 psig) by: (1) Introducing... CARGOES SAFETY STANDARDS FOR SELF-PROPELLED VESSELS CARRYING BULK LIQUEFIED GASES Special Design and...

  20. Crystal structures of the tetratricopeptide repeat domains of kinesin light chains: insight into cargo recognition mechanisms.

    Directory of Open Access Journals (Sweden)

    Haizhong Zhu

    Full Text Available Kinesin-1 transports various cargos along the axon by interacting with the cargos through its light chain subunit. Kinesin light chains (KLC utilize its tetratricopeptide repeat (TPR domain to interact with over 10 different cargos. Despite a high sequence identity between their TPR domains (87%, KLC1 and KLC2 isoforms exhibit differential binding properties towards some cargos. We determined the structures of human KLC1 and KLC2 tetratricopeptide repeat (TPR domains using X-ray crystallography and investigated the different mechanisms by which KLCs interact with their cargos. Using isothermal titration calorimetry, we attributed the specific interaction between KLC1 and JNK-interacting protein 1 (JIP1 cargo to residue N343 in the fourth TRP repeat. Structurally, the N343 residue is adjacent to other asparagines and lysines, creating a positively charged polar patch within the groove of the TPR domain. Whereas, KLC2 with the corresponding residue S328 did not interact with JIP1. Based on these finding, we propose that N343 of KLC1 can form "a carboxylate clamp" with its neighboring asparagine to interact with JIP1, similar to that of HSP70/HSP90 organizing protein-1's (HOP1 interaction with heat shock proteins. For the binding of cargos shared by KLC1 and KLC2, we propose a different site located within the groove but not involving N343. We further propose a third binding site on KLC1 which involves a stretch of polar residues along the inter-TPR loops that may form a network of hydrogen bonds to JIP3 and JIP4. Together, these results provide structural insights into possible mechanisms of interaction between KLC TPR domains and various cargo proteins.

  1. Evaluation of the operational benefits versus costs of an automated cargo mover

    OpenAIRE

    Culp, Joshua; Feeney, Jon; Meus, Cleevens; Davis, Joshua; Kays, Jennifer; Summer, Jesse; Domondon, Richard; Martin Adam

    2016-01-01

    Approved for public release; distribution is unlimited This report examines the use of an automated robotic pallet mover during resupply missions in support of forward-deployed Marine units. The pallet mover is capable of loading and unloading itself and its cargo from MV-22 and CH-53 aircraft, and subsequently transporting that cargo 3,281 feet over unimproved terrain. The report explores the operationally relevant scenarios where a robotic pallet mover could be used, to determine whether...

  2. Using Monte Carlo Simulation To Improve Cargo Mass Estimates For International Space Station Commercial Resupply Flights

    Science.gov (United States)

    2016-12-01

    Historical Averages ................................... 22 Table 4. ISS Cargo Flights. Adapted from NASA at www.nasa.gov. ................ 41 Table 5...to pursue access to ISS by commercial means for both crew and cargo ( NASA 2004). B. COMMERCIAL ORBITAL TRANSPORTATION SERVICES PROGRAM Although...COTS Program that, in turn, delayed the start of ISS resupply in earnest under the CRS contract. NASA took care to stock ISS appropriately to cover

  3. Crystal Structures of the Tetratricopeptide Repeat Domains of Kinesin Light Chains: Insight into Cargo Recognition Mechanisms

    Energy Technology Data Exchange (ETDEWEB)

    Zhu, Haizhong; Lee, Han Youl; Tong, Yufeng; Hong, Bum-Soo; Kim, Kyung-Phil; Shen, Yang; Lim, Kyung Jik; Mackenzie, Farrell; Tempel, Wolfram; Park, Hee-Won (SGC-Toronto); (PPCS); (Toronto)

    2012-10-23

    Kinesin-1 transports various cargos along the axon by interacting with the cargos through its light chain subunit. Kinesin light chains (KLC) utilize its tetratricopeptide repeat (TPR) domain to interact with over 10 different cargos. Despite a high sequence identity between their TPR domains (87%), KLC1 and KLC2 isoforms exhibit differential binding properties towards some cargos. We determined the structures of human KLC1 and KLC2 tetratricopeptide repeat (TPR) domains using X-ray crystallography and investigated the different mechanisms by which KLCs interact with their cargos. Using isothermal titration calorimetry, we attributed the specific interaction between KLC1 and JNK-interacting protein 1 (JIP1) cargo to residue N343 in the fourth TRP repeat. Structurally, the N343 residue is adjacent to other asparagines and lysines, creating a positively charged polar patch within the groove of the TPR domain. Whereas, KLC2 with the corresponding residue S328 did not interact with JIP1. Based on these finding, we propose that N343 of KLC1 can form 'a carboxylate clamp' with its neighboring asparagine to interact with JIP1, similar to that of HSP70/HSP90 organizing protein-1's (HOP1) interaction with heat shock proteins. For the binding of cargos shared by KLC1 and KLC2, we propose a different site located within the groove but not involving N343. We further propose a third binding site on KLC1 which involves a stretch of polar residues along the inter-TPR loops that may form a network of hydrogen bonds to JIP3 and JIP4. Together, these results provide structural insights into possible mechanisms of interaction between KLC TPR domains and various cargo proteins.

  4. Research on combination forecast of port cargo throughput based on time series and causality analysis

    Directory of Open Access Journals (Sweden)

    Chi Zhang

    2013-03-01

    Full Text Available Purpose: The purpose of this paper is to develop a combined model composed of grey-forecast model and Logistic-growth-curve model to improve the accuracy of forecast model of cargo throughput for the port. The authors also use the existing data of a current port to verify the validity of the combined model.Design/methodology/approach: A literature review is undertaken to find the appropriate forecast model of cargo throughput for the port. Through researching the related forecast model, the authors put together the individual models which are significant to study further. Finally, the authors combine two individual models (grey-forecast model and Logistic-growth-curve model into one combined model to forecast the port cargo throughput, and use the model to a physical port in China to testify the validity of the model.Findings: Test by the perceptional data of cargo throughput in the physical port, the results show that the combined model can obtain relatively higher forecast accuracy when it is not easy to find more information. Furthermore, the forecast made by the combined model are more accurate than any of the individual ones.Research limitations/implications: The study provided a new combined forecast model of cargo throughput with a relatively less information to improve the accuracy rate of the forecast. The limitation of the model is that it requires the cargo throughput of the port have an S-shaped change trend.Practical implications: This model is not limited by external conditions such as geographical, cultural. This model predicted the port cargo throughput of one real port in China in 2015, which provided some instructive guidance for the port development.Originality/value: This is the one of the study to improve the accuracy rate of the cargo throughput forecast with little information.

  5. Irradiation Effects for the Pulsed Fast Neutron Analysis (PFNA) Cargo Interrogation System

    Energy Technology Data Exchange (ETDEWEB)

    Slater, C.O.

    2001-02-02

    At the request of Safety and Ecology Corporation of Tennessee, radiation effects of the proposed Pulsed Fast Neutron Analysis (PFNA) Cargo Interrogation System have been examined. First, fissile cargo were examined to determine if a significant neutron signal would be observable during interrogation. Results indicated that ample multiplication would be seen for near critical bare targets. The water-reflected sphere showed relatively little multiplication. By implication, a fissile target shielded by hydrogenous cargo might not be detectable by neutron interrogation, particularly if reliance is placed on the neutron signal. The cargo may be detectable if use can be made of the ample increase in the photon signal. Second, dose rates were calculated at various locations within and just outside the facility building. These results showed that some dose rates may be higher than the target dose rate of 0.05 mrem/h. However, with limited exposure time, the total dose may be well below the allowed total dose. Lastly, estimates were made of the activation of structures and typical cargo. Most cargo will not be exposed long enough to be activated to levels of concern. On the other hand, portions of the structure may experience buildup of some radionuclides to levels of concern.

  6. Improving customs’ border control by creating a reference database of cargo inspection X-ray images

    Directory of Open Access Journals (Sweden)

    Selina Kolokytha

    2017-04-01

    Full Text Available Countries’ effective and efficient border security is becoming increasingly important in today’s global world of economy and trade. To ensure these, customs organisations are responsible for the prevention of illicit goods’ transportation across borders, particularly upon entry. The predicament of the customs administrations will soon be aggravated by both the increase of global trade and the trend towards 100% screening. It is therefore a goal to advance inspection methods to enable successful cargo handling, a scope towards which this research was aimed at. This work was carried out as part of the project ACXIS “Automated Comparison of X-ray Images for cargo Scanning” a European research project within the seventh framework programme answering the call SEC-2012.3.4-1: « Research on Automated Comparison of X-ray Images for cargo Scanning », to improve the process with the largest impact to trade flow: the procedures of freight X-ray scanning. As such, this project was focused on to implementing a manufacturer independent reference database for X-ray images of illicit and non-illicit cargo, developing procedures and algorithms in order to uniform X-ray images of different cargo scanners, and developing a training simulator for inspection officers and a toolbox enclosing several assisted and automated identification techniques for potentially illicit cargo.

  7. Photon and neutron interrogation techniques for chemical explosives detection in air cargo: A critical review

    International Nuclear Information System (INIS)

    Runkle, Robert C.; White, Timothy A.; Miller, Erin A.; Caggiano, Joseph A.; Collins, Brian A.

    2009-01-01

    Scanning cargo transported via aircraft ('air cargo') for explosive threats is a problem that presently lacks a comprehensive technical solution. While chemical explosives detection in the baggage-scanning domain has a rich history that sheds light on potential solutions, air cargo differs in several important ways, and thus one cannot look to the present array of technologies. Some contemporary solutions, such as trace analysis, are not readily applied to cargo because of sampling challenges while the larger geometry of air cargo makes others less effective. This review article examines an array of interrogation techniques using photons and neutrons as incident particles. We first present a summary of the signatures and observables chemical explosives provide and review how they have been exploited in baggage scanning. Following this review is a description of the challenges posed by the air-cargo application space. After considering sources of photons and neutrons, we describe methods focused on transmission imaging, sub-surface examination, and elemental characterization. It is our goal to expand the understanding of each method's technical promise while largely deferring questions that revolve around footprint, safety, and conduct of operations. Our overarching intent is that a comprehensive understanding of potential techniques will foster the development of a comprehensive solution.

  8. A fluid membrane enhances the velocity of cargo transport by small teams of kinesin-1

    Science.gov (United States)

    Li, Qiaochu; Tseng, Kuo-Fu; King, Stephen J.; Qiu, Weihong; Xu, Jing

    2018-03-01

    Kinesin-1 (hereafter referred to as kinesin) is a major microtubule-based motor protein for plus-end-directed intracellular transport in live cells. While the single-molecule functions of kinesin are well characterized, the physiologically relevant transport of membranous cargos by small teams of kinesins remains poorly understood. A key experimental challenge remains in the quantitative control of the number of motors driving transport. Here we utilized "motile fraction" to overcome this challenge and experimentally accessed transport by a single kinesin through the physiologically relevant transport by a small team of kinesins. We used a fluid lipid bilayer to model the cellular membrane in vitro and employed optical trapping to quantify the transport of membrane-enclosed cargos versus traditional membrane-free cargos under identical conditions. We found that coupling motors via a fluid membrane significantly enhances the velocity of cargo transport by small teams of kinesins. Importantly, enclosing a cargo in a fluid lipid membrane did not impact single-kinesin transport, indicating that membrane-dependent velocity enhancement for team-based transport arises from altered interactions between kinesins. Our study demonstrates that membrane-based coupling between motors is a key determinant of kinesin-based transport. Enhanced velocity may be critical for fast delivery of cargos in live cells.

  9. Nonlinear roll damping of a barge with and without liquid cargo in spherical tanks

    Directory of Open Access Journals (Sweden)

    Wenhua Zhao

    2016-01-01

    Full Text Available Damping plays a significant role on the maximum amplitude of a vessel's roll motion, in particular near the resonant frequency. It is a common practice to predict roll damping using a linear radiation–diffraction code and add that to a linearized viscous damping component, which can be obtained through empirical, semi-empirical equations or free decay tests in calm water. However, it is evident that the viscous roll damping is nonlinear with roll velocity and amplitude. Nonlinear liquid cargo motions inside cargo tanks also contribute to roll damping, which when ignored impedes the accurate prediction of maximum roll motions. In this study, a series of free decay model tests is conducted on a barge-like vessel with two spherical tanks, which allows a better understanding of the nonlinear roll damping components considering the effects of the liquid cargo motion. To examine the effects of the cargo motion on the damping levels, a nonlinear model is adopted to calculate the damping coefficients. The liquid cargo motion is observed to affect both the linear and the quadratic components of the roll damping. The flow memory effect on the roll damping is also studied. The nonlinear damping coefficients of the vessel with liquid cargo motions in spherical tanks are obtained, which are expected to contribute in configurations involving spherical tanks.

  10. Air cargo market outlook and impact via the NASA CLASS project. [Cargo/Logistics Airlift Systems Study

    Science.gov (United States)

    Winston, M. M.; Conner, D. W.

    1980-01-01

    An overview is given of the Cargo/Logistics Airlift Systems Study (CLASS) project which was a 10 man-year effort carried out by two contractor teams, aimed at defining factors impacting future system growth and obtaining market requirements and design guidelines for future air freighters. Growth projection was estimated by two approaches: one, an optimal systems approach with a more efficient and cost effective system considered as being available in 1990; and the other, an evolutionary approach with an econometric behavior model used to predict long term evolution from the present system. Both approaches predict significant growth in demand for international air freighter services and less growth for U.S. domestic services. Economic analysis of air freighter fleet options indicate very strong market appeal of derivative widebody transports in 1990 with little incentive to develop all new dedicated air freighters utilizing the 1990's technology until sometime beyond the year 2000. Advanced air freighters would be economically attractive for a wide range of payload sizes (to 500 metric tons), however, if a government would share in the RD and T costs by virtue of its needs for a slightly modified version of a civil air freighter design (a.g. military airlifter).

  11. Length of encapsidated cargo impacts stability and structure of in vitro assembled alphavirus core-like particles

    Science.gov (United States)

    Rayaprolu, Vamseedhar; Moore, Alan; Che-Yen Wang, Joseph; Goh, Boon Chong; Perilla, Juan R.; Zlotnick, Adam; Mukhopadhyay, Suchetana

    2017-12-01

    In vitro assembly of alphavirus nucleocapsid cores, called core-like particles (CLPs), requires a polyanionic cargo. There are no sequence or structure requirements to encapsidate single-stranded nucleic acid cargo. In this work, we wanted to determine how the length of the cargo impacts the stability and structure of the assembled CLPs. We hypothesized that cargo neutralizes the basic region of the alphavirus capsid protein and if the cargo is long enough, it will also act to scaffold the CP monomers together. Experimentally we found that CLPs encapsidating short 27mer oligonucleotides were less stable than CLPs encapsidating 48mer or 90mer oligonucleotides under different chemical and thermal conditions. Furthermore, cryo-EM studies showed there were structural differences between CLPs assembled with 27mer and 48mer cargo. To mimic the role of the cargo in CLP assembly we made a mutant (4D) where we substituted a cluster of four Lys residues in the CP with four Asp residues. We found that these few amino acid substitutions were enough to initiate CLP assembly in the absence of cargo. The cargo-free 4D CLPs show higher resistance to ionic strength and increased temperature compared to wild-type cargo containing CLPs suggesting their CLP assembly mechanism might also be different.

  12. Detection of nuclear material by photon activation inside cargo containers

    Science.gov (United States)

    Gmar, Mehdi; Berthoumieux, Eric; Boyer, Sébastien; Carrel, Frédérick; Doré, Diane; Giacri, Marie-Laure; Lainé, Frédéric; Poumarède, Bénédicte; Ridikas, Danas; Van Lauwe, Aymeric

    2006-05-01

    Photons with energies above 6 MeV can be used to detect small amounts of nuclear material inside large cargo containers. The method consists in using an intense beam of high-energy photons (bremsstrahlung radiation) in order to induce reactions of photofission on actinides. The measurement of delayed neutrons and delayed gammas emitted by fission products brings specific information on localization and quantification of the nuclear material. A simultaneous measurement of both of these delayed signals can overcome some important limitations due to matrix effects like heavy shielding and/or the presence of light elements as hydrogen. We have a long experience in the field of nuclear waste package characterization by photon interrogation and we have demonstrated that presently the detection limit can be less than one gram of actinide per ton of package. Recently we tried to extend our knowledge to assess the performance of this method for the detection of special nuclear materials in sea and air freights. This paper presents our first results based on experimental measurements carried out in the SAPHIR facility, which houses a linear electron accelerator with the energy range from 15 MeV to 30 MeV. Our experiments were also modeled using the full scale Monte Carlo techniques. In addition, and in a more general frame, due to the lack of consistent data on photonuclear reactions, we have been working on the development of a new photonuclear activation file (PAF), which includes cross sections for more than 600 isotopes including photofission fragment distributions and delayed neutron tables for actinides. Therefore, this work includes also some experimental results obtained at the ELSA electron accelerator, which is more adapted for precise basic nuclear data measurements.

  13. Large area x-ray detectors for cargo radiography

    Science.gov (United States)

    Bueno, C.; Albagli, D.; Bendahan, J.; Castleberry, D.; Gordon, C.; Hopkins, F.; Ross, W.

    2007-04-01

    Large area x-ray detectors based on phosphors coupled to flat panel amorphous silicon diode technology offer significant advances for cargo radiologic imaging. Flat panel area detectors provide large object coverage offering high throughput inspections to meet the high flow rate of container commerce. These detectors provide excellent spatial resolution when needed, and enhanced SNR through low noise electronics. If the resolution is reduced through pixel binning, further advances in SNR are achievable. Extended exposure imaging and frame averaging enables improved x-ray penetration of ultra-thick objects, or "select-your-own" contrast sensitivity at a rate many times faster than LDAs. The areal coverage of flat panel technology provides inherent volumetric imaging with the appropriate scanning methods. Flat panel area detectors have flexible designs in terms of electronic control, scintillator selection, pixel pitch, and frame rates. Their cost is becoming more competitive as production ramps up for the healthcare, nondestructive testing (NDT), and homeland protection industries. Typically used medical and industrial polycrystalline phosphor materials such as Gd2O2S:Tb (GOS) can be applied to megavolt applications if the phosphor layer is sufficiently thick to enhance x-ray absorption, and if a metal radiator is used to augment the quantum detection efficiency and reduce x-ray scatter. Phosphor layers ranging from 0.2-mm to 1-mm can be "sandwiched" between amorphous silicon flat panel diode arrays and metal radiators. Metal plates consisting of W, Pb or Cu, with thicknesses ranging from 0.25-mm to well over 1-mm can be used by covering the entire area of the phosphor plate. In some combinations of high density metal and phosphor layers, the metal plate provides an intensification of 25% in signal due to electron emission from the plate and subsequent excitation within the phosphor material. This further improves the SNR of the system.

  14. Terminality implies non-signalling

    Directory of Open Access Journals (Sweden)

    Bob Coecke

    2014-12-01

    Full Text Available A 'process theory' is any theory of systems and processes which admits sequential and parallel composition. `Terminality' unifies normalisation of pure states, trace-preservation of CP-maps, and adding up to identity of positive operators in quantum theory, and generalises this to arbitrary process theories. We show that terminality and non-signalling coincide in any process theory, provided one makes causal structure explicit. In fact, making causal structure explicit is necessary to even make sense of non-signalling in process theories. We conclude that because of its much simpler mathematical form, terminality should be taken to be a more fundamental notion than non-signalling.

  15. The hemopexin and O-glycosylated domains tune gelatinase B/MMP-9 bioavailability via inhibition and binding to cargo receptors

    DEFF Research Database (Denmark)

    Van den Steen, Philippe E; Van Aelst, Ilse; Hvidberg, Vibeke

    2006-01-01

    with a compact three-dimensional structure. The OG and hemopexin domains have no influence on the cleavage efficiency of MMP-9 substrates. In contrast, the hemopexin domain contains a binding site for the cargo receptor low density lipoprotein receptor-related protein-1 (LRP-1). Furthermore, megalin/LRP-2......Gelatinase B/matrix metalloproteinase-9 (MMP-9), a key regulator and effector of immunity, contains a C-terminal hemopexin domain preceded by a unique linker sequence of approximately 64 amino acid residues. This linker sequence is demonstrated to be an extensively O-glycosylated (OG) domain...... is identified as a new functional receptor for the hemopexin domain of MMP-9, able to mediate the endocytosis and catabolism of the enzyme. The OG domain is required to correctly orient the hemopexin domain for inhibition by TIMP-1 and internalization by LRP-1 and megalin. Therefore, the OG and hemopexin...

  16. National Waste Terminal Storage program

    International Nuclear Information System (INIS)

    Boch, A.L.

    1976-01-01

    The plans of the Energy Research and Development Administration for the safe and rational terminal storage in deep geologic formations of radioactive wastes from the commercial light-water reactor nuclear fuel cycle are presented briefly

  17. The Contribution of the Self-Efficacy of Curriculum Development Team and Curriculum Document Quality to the Implementation of Diversified Curriculum in Indonesia

    Science.gov (United States)

    Susilana, Rudi; Asra; Herlina

    2014-01-01

    The aim of this study is to describe how the self-efficacy of curriculum development team (CDT) and curriculum document quality contributed to the implementation of diversified curriculum in elementary schools. This research is a survey study using descriptive method. Schools were the unit of analysis while respondents selected from the schools…

  18. Reflection and dampening of pressure waves in marine terminal pressure surge analysis

    Energy Technology Data Exchange (ETDEWEB)

    Kossatz, Helmut [TRANSPETRO - PETROBRAS Transporte S.A., Rio de Janeiro, RJ (Brazil); Ladeia, Renata C. da Cunha [Pontificia Univ. Catolica do Rio de Janeiro, RJ (Brazil). Dept. de Engenharia Mecanica. Nucleo de Simulacao Termohidraulica de Dutos (SIMDUT)

    2005-07-01

    In the analysis of potential surge pressure hazards in marine terminals, the piping system connecting the terminal's tank farm to the oil tanker is commonly composed of a main pipeline ending in reduced diameter devices of relatively short length such as loading arms or cargo hoses, and pressure surges may be generated due sudden closure of the oil tanker's emergency shut down valves, or from closure of valves in quick breakaway couplings. Since velocities in these smaller diameter sections are much higher than in the main pipeline, local pressure peaks may occur which are greater than the surge pressure generated due to flow stoppage in the larger diameter pipe. These local pressure pulses are rapidly damped out due to reflection at the connection with the larger diameter pipeline and are simultaneously transmitted and superposed on the pressure surge generated in the main pipeline. Cargo hoses are more elastic with much lower acoustic speed than in steel pipe, and local pressure surges are therefore smaller than in an equivalent section of steel pipeline. Nevertheless local surge pressures are still capable of being greater than in the main steel pipeline due to higher initial flow velocities. This work analyses these effects and points out the care to be taken in pressure surge simulation in order to obtain reliable results. (author)

  19. Equiseparability on Terminal Wiener Index

    DEFF Research Database (Denmark)

    Deng, Xiaotie; Zhang, Jie

    2012-01-01

    The aim of this work is to explore the properties of the terminal Wiener index, which was recently proposed by Gutman et al. (2004) [3], and to show the fact that there exist pairs of trees and chemical trees which cannot be distinguished by using it. We give some general methods for constructing...... equiseparable pairs and compare the methods with the case for the Wiener index. More specifically, we show that the terminal Wiener index is degenerate to some extent....

  20. Terminality implies non-signalling

    OpenAIRE

    Coecke, Bob

    2014-01-01

    A 'process theory' is any theory of systems and processes which admits sequential and parallel composition. `Terminality' unifies normalisation of pure states, trace-preservation of CP-maps, and adding up to identity of positive operators in quantum theory, and generalises this to arbitrary process theories. We show that terminality and non-signalling coincide in any process theory, provided one makes causal structure explicit. In fact, making causal structure explicit is necessary to even ma...