نتایج جستجو برای: ligandless transport
تعداد نتایج: 273803 فیلتر نتایج به سال:
Analytical solutions have been obtained for both conservative and non-conservative forms of one-dimensional transport and transport-dispersion equations applicable for pollution as a result of a non-conservative pollutant-disposal in an open channel with linear spatially varying transport velocity and nonlinear spatially varying dispersion coefficient on account of a steady unpolluted lateral i...
Sediment transport under unsteady flow condition is studied experimentally. In the first step, sediment transport under different steady flow conditions was measured and an empirical equation was derived for its calculation. In the next step, two continuous and three stepwise hydrographs were generated in the flume, and their sediment transport rate was measured. The continuous hydrographs were...
The transport system of many Ukrainian cities does not meet the EU standards and requirements. There is a need to improve urban transport networks, to use transport potential efficiently on the basis of environmental logistics and to improve environmental safety as one of the principles of sustainable transport development. The systems model to create an ecologically safe logistics system of pu...
The success in a business requires a complicated communication Management System. The Main objective of this research paper we are developing an optimization approach when there is one producer and several distribution centers. The model comprised of several parameters such as transport type, route specification, and transport capacities. Also we imposed several limitation such as capacity, nu...
در یکی از شاخه های نانوالکترونیک که با اسپین سروکار دارد(اسپینترونیک) هدف و چالش اصلی تولید جریان اسپین قطبیده است. یکی از طرح های پیشنهادی برای تولید جریان اسپینی روش پمپاژ اسپینی ( spin pumping ) نامیده می شود. در این روش تغیرات وابسته به زمان چند پارامتر سیستم به صورت دوره ای در القای دینامیک اسپین و تولید جریان اسپینی نقش ایفا می کنند. مسئله مورد برسی ترابرد مزوسکوپی و بی درروی اسپی...
Transportation is a necessity if the day-to-day economic activities of the society must move on. There are different modes of informal transport available in Nigeria. This study evaluated the determinants of the modal choice of informal transport among commuters in North central city of Ilorin, Nigeria. The study used primary data generated through a structured questionnaire administered to 100...
Background and purpose: Âppropriate transport of ill neonates to the tertiary level of Neonatal Ïntensive Çare Ünits (NÏÇÜs) is an important factor in their survival. Ïdentifying important factors in neonatal transport may have a major role in prognosis and survival rates of neonates. The present study was designed to assess the current situation and problems of ill neonates transport to the ...
BACKGROUND AND OBJECTIVES: The significance of road mobility in any nation cannot be far-fetched or beyond economic purpose, spatial interaction and social integration. It contributes enormously to the livelihood of human existence most especially by facilitating regional complementarity of trade, intervening opportunities, and spatial transferability. The objective of this stu...
در این پایان نامه ابتدا مروری جامع بر مطالعات انجام شده در زمینه تولیدگاز هیدروژن از متان، احتراق گازهای شامل هیدروژن و احتراق با تکنولوژی hitac صورت گرفته است و ویژگیها و کاربردهای روش های مختلف تولید هیدروژن و همچنین احتراق hitac به تفصیل مورد بررسی قرار گرفته است. سپس مدلهای مختلف احتراق، انتقال حرارت تشعشعی و روش های مختلف تولید nox مورد مطالعه قرار گرفت. به منظور بررسی تولید هیدروژن از متا...
In this paper, longshore sediment transport in littoral zones is investigated. For investigation of sediment transport in the nearshore zone, the effects of waves, currents and topographical conditions of coast are considered. Linear wave theory was used for the investigation of the wave behaviour. Governing equations of littoral current are continuity and momentum ones. For calculating concent...
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