نتایج جستجو برای: transporting quality
تعداد نتایج: 762618 فیلتر نتایج به سال:
Optical networks appear to be the solution of choice for providing a faster networking infrastructure that can meet the explosive growth of the Internet. One of the key issues that needs to be addressed is how optical networks can be used to carry IP traffic. In this paper, we survey some of the techniques that have been proposed in the literature for transporting IP traffic over an optical net...
Antibodies directed against the purified calmodulin-binding (Ca2++ Mg2+)-ATPase [(Ca2+ + Mg2+)dependent ATPase] from pig erythrocytes and from smooth muscle of pig stomach (antral part) were raised in rabbits. Both the IgGs against the erythrocyte (Ca2++ Mg2+)-ATPase and against the smooth-muscle (Ca2+ + Mg2+)-ATPase inhibited the activity of the purified calmodulin-binding (Ca2++ Mg2+)-ATPase ...
BACKGROUND The purpose of this study was to identify arsenite-oxidizing halobacteria in samples obtained from Salar de Punta Negra, II Region of Chile. Seven bacterial isolates, numbered as isolates I to VII, grown in a culture medium with 100 ppm as NaAsO2 (As (III)) were tested. Bacterial growth kinetics and the percent of arsenite removal (PAR) were performed simultaneously with the detectio...
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The manipulation of optical waves in the subwavelength scale is limited by diffraction. In the vicinity of a narrow aperture, the amplitude of the electric field is approximately uniform and the transmissivity is extremely low. Here we show that despite these fundamental constraints it may be possible to transport and redirect a complex electromagnetic image through a tiny subwavelength hole wi...
Cadmium (Cd) is an industrial and environmental pollutant that affects adversely a number of organs in humans and other mammals, including the kidneys, liver, lungs, pancreas, testis, and placenta. The liver and kidneys, which are the primary organs involved in the elimination of systemic Cd, are especially sensitive to the toxic effects of Cd. Because Cd ions possess a high affinity for sulfhy...
A nswer: The rationale for CI chemotherapy is based on the physiology of the cell cycle and pharmacokinetics of chemotherapy agents. Because only a fraction of cancer cells are cycling actively at a given point in time, prolonged infusion of chemotherapy increases the amount of exposure of the cancer cells to the chemotherapy. Also, because many chemotherapy agents have short plasma half-lives,...
The biochemical aspects of cGMP signalling are well known, although in vivo roles of cGMP have only been recently discovered through work in genetic model organisms. The Drosophila melanogaster Malpighian (renal) tubule has been used to address the roles of cGMP in epithelial function. Here, we describe some of this work and outline recent progress in understanding the organotypic function of n...
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