Transportation technology

Xem 1-20 trên 324 kết quả Transportation technology
  • During this century the human race will have to address the challenge of deeply transforming the world energy system to make it much more sustain- able and environmentally friendly than the one we currently have.

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  • Advances in computer technology and information systems have created new opportunities as well as challenges to the management of information resources. In the past two decades or so, information management has become a key issue of interest to both researchers and practitioners since the advent of computers. The issue has become more of a concern and a challenge to both communities with the tremendous advances in computer technology and information systems in recent times.

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  • Hydrogen and synthesis gas (syngas) are indispensable in chemical, oil, and energy industries. They are important building blocks and serve as feedstocks for the production of chemicals such as ammonia and methanol. Hydrogen is used in petroleum refi neries to produce clean transportation fuels, and its consumption is expected to increase dramatically in the near future as refi ners need to process increasingly heavier and sour crudes.

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  • Technology is a powerful force of change in our world. We live longer and arguably better lives than our great-great-grandparents because of advances in medical, communication, and transportation technology. As we enter this new century there is apparently no end in sight for the transformative potential of human innovation. However, there is now ample evidence that the real legacy of invention is defined in equal parts by its benefits to society as well as its costs. There is no technology that comes without some level of risk.

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  • An integrated gasification process was developed for an Ohio-based kraft pulp mill to produce liquid transportation fuels from biomass and coal. Black liquor byproduct from the pulp mill is co-gasified with coal to generate high quality syngas for further synthesis to dimethyl ether (DME) and/or Fischer-Tropsch fuels. A Texaco gasifier was chosen as the focal point for this design. Whenever possible, energy is recovered throughout to generate heat, steam, and power. Mass and energy balances were performed for individual process components and the entire design.

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  • The JICA-assisted “The Study on Urban Transport Master Plan and Feasibility Study in Ho Chi Minh Metropolitan Area” was conducted with the following main objectives: Formulation of a comprehensive Master Plan up to 2010 and 2020 for the urban transport system in the HCM metropolitan area, and a Short-term Action Plan up to 2005; conduct of feasibility studies on selected priority projects; and conduct of technology transfer on database development, modeling, and plan formulation to the Vietnamese counterpart staff during the course of the study. 

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  • Transport diversity is a general terminology used for selecting or preferring a network exit-point for end-user application traffic across network topologies that have a variety of characteristics. These characteristics include things like monetary cost, reliability or availability, availability of bandwidth, and latency. One example of transport diversity is a branch office environment that has a primary path using Frame Relay and a backup or alternate path using basic rate ISDN.

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  • Urban transport system is crucial for economic and social development of our society as it meets challenging mobility requirements of urban agglomerations. The requirements are challenging because road transport, which is the most problematic transport mode, is dominating the urban transport activities. The main problems with the road transport are that the infrastructure is not generally suffi cient for whole traffi c conditions and the vehicles are powered by internal combustion engines that require fossil fuels to burn and emit pollutant emissions during their normal operations....

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  • Tham khảo sách 'making choices about hydrogen transport issues for developing countries', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • This report has four chapters and appendices: Chapter 1 Houtrans transport survey and database,  Chapter 2 Integration of transport and gis database, Chapter 3 Traffic demand forecast using cube voyager, Chapter 4 Technology transfer.

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  • In August 1999, the Transportation Research Board (TRB) held a workshop at the request of the National Aeronautics and Space Administration (NASA) to examine its Small Aircraft Transportation System (SATS) concept.

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  • Tham khảo sách 'biofuels for transport an international perspective', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • As service demand grows in metro networks, service providers need to be cost-conscious as they expand or evolve networks to meet new demands. They need to extend the value of installed systems, run more services on existing networks, and retain customers by offering on-demand access to a variety of services. And they want to reduce the cost of providing those services. SONET and SDH have been widely deployed by telephone companies and common carriers for more than a decade.

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  • Cyclones are a key element of the atmospheric circulation in the midlatitudes (Carlson, 1998). Cyclogenesis, for which a first conceptual model was presented by the Bergen school (Bjerknes, 1910), occurs most frequently at the polar front. The various ascending and descending airstreams typically associated with these cyclones carry a range of different chemical signatures (Cooper et al., 2002). The so-called warm conveyor belt (WCB) – a strongly ascending airstream ahead of a cyclone’s cold front (Browning et al.

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  • Tham khảo sách 'transport logistics electronic resource', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • The rapid development of information technology and communications has created an opportunity to improve the efficiency of road traffic by using Intelligent Transportation System (ITS). The combination between transport participants, vehicles and road traffic infrastructure through using roadside equipments and traffic control centers takes a part in improving the efficiency of the transportation system and quality of transportation services.

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  • (BQ) Part 1 book "Encyclopedia of physical science and technology - Biochemistry" has contents: Glycoconjugates and carbohydrates, ion transport across biological membranes, lipoprotein cholesterol metabolism, membrane structure.

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  • Liquid fuel consumption by medium- and heavy-duty vehicles (MHDVs) represents 26 percent of all U.S. liquid transportation fuels consumed and has increased more rapidly—in both absolute and percentage terms—than consumption by other sectors. In early recognition of these trends, which are forecast to continue until 2035 (DOE, EIA, 2009), the Energy Independence and Security Act of 2007 (EISA; Public Law 110-140, Dec. 19, 2007), Section 108, was passed, requiring the U.S. Department of Transportation (DOT), for the first time in history, to establish fuel economy standards for MHDVs.

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  • Tham khảo sách 'oxford university press the transportation experience policy planning and deployment 2006', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • The U.S. Department of Energy (DOE) Office of Energy Efficiency and Renewable Energy oversees the Office of Transportation Technologies, which includes the Office of Heavy Vehicle Technologies (OHVT), the Office of Advanced Automotive Technologies (OAAT), the Office of Fuels Development, and the Office of Technology Utilization. OHVT was created in March 1996 when the Office of Transportation Technologies was reorganized. Its sister organization, OAAT, focuses on the development of advanced automotive technologies, while OHVT focuses, for the most part, on technologies for trucks.

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