نتایج جستجو برای: buffers
تعداد نتایج: 41343 فیلتر نتایج به سال:
At the collision time, a lot of energy is generated during a short period of time that causes large deformations in bodies. One of the most important parts of wagon in railway is a buffer which may absorb the energy during an impact. It should be mentioned that normal buffers only absorb the energy resulted from a crash elastically. In the present paper, it is tried to use inversion mode of ...
Background: The effect of kind of dialysis solution on the control of blood pressure and adequacy and efficacy of hemodialysis is a most debated and controversial issue. Methods: Twenty six chronic hemodialized patients in Ghaem hemodialysis center, Mashhad, Iran, in winter of the year 2004, enrolled this study for one month. The patients were dialyzed with bicarbonate buffer and were dialy...
In this paper a novel common mode separation technique for implementing fully differential current buffers is introduced. Using the proposed method two high CMRR (Common Mode Rejection Ratio) and high PSRR (Power Supply Rejection Ratio) fully differential current buffers in BIPOLAR and CMOS technologies are implemented. Simulation results by HSPICE using 0.18μm TSMC process for CMOS based st...
A visible light-switchable buffer system based on a merocyanine photoacid is presented. Para-substitution of the indolium side with methoxy group affords compound suitable for making hydrolytically stable aqueous buffers whose pH can be tuned between 7 and 4 using 500 nm light.
Conservation Reserve Program Conservation Practice 33 (CP33: Conservation Buffers for Upland Birds) provides habitat for grassland birds in agriculture-dominated landscapes. However, landscape context and adjacency of other land covers may influence colonization, occupancy, and reproductive performance of breeding grassland birds in buffers. Our objective was to determine how edge effects influ...
Native herbaceous vegetation cover along row-crop field edges (i.e., field buffers) increases breeding densities of many bird species. However, the effect of field buffers on bird species during the nonbreeding season is less understood. We compared density, avian richness, and avian conservation value on row-crop fields containing buffers strategically designed for wildlife versus fields witho...
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