نتایج جستجو برای: marcus gunn phenomenon
تعداد نتایج: 160985 فیلتر نتایج به سال:
Top-k retrieval is at the core of many modern applications: from large scale web search and advertising platforms, to text extenders and content management systems. In these systems, queries are evaluated using two major families of algorithms: document-at-a-time (DAAT) and term-at-a-time (TAAT). DAAT and TAAT algorithms have been studied extensively in the research literature. In this talk, I’...
Received for publication 03/02/2014 Accepted for publicatin 23/03/2014. A blefaroptose é o posicionamento inadequado da pálpebra superior, estando abaixo de sua posição normal na posição primária do olhar, a qual seria 0,5 – 2mm abaixo do limbo superior. Pode causar bloqueio parcial ou completo do campo visual superior, além do comprometimento estético. As causas são categorizadas em congênitas...
The role of high serum and tissue levels of unconjegated bilirubin in the pathogenesis of the impaired urinary concentrating ability was investigated in homozygous (jj) Gunn rats with the congenital absence of hepatic glucuronyl transferase. Continuous phototherapy with blue fluorescent lights at a wave length of 460 nm or oral cholestyramine feeding or both reduced serum levels of unconjugated...
1. The biliary excretion of [(14)C]trimophonium iodide [tri[(14)C]methyl(3-hydroxyphenyl)ammonium iodide] was studied in normal Wistar animals and in jaundiced homozygous Gunn rats. 2. In normal Wistar rats small amounts of radioactivity (approx. 3% of the dose in 4h) were excreted in bile as two glucuronide conjugates, i.e. [(14)C]trimophonium glucuronide [tri[(14)C]methyl-(3-oxyphenyl)ammoniu...
When biased on the negative differential resistance regime, electroluminescence (EL) is emitted from planar GaAs heterostructure Gunn diodes due to the recombination of electrons in the device channel with holes that are generated by impact ionisation when the Gunn domains reach the anode edge. This EL forms non-uniform patterns whose intensity shows short-range intensity variations in the dire...
in a drawer somewhere awaiting identification. “Many people think that discovering new species is just about going on expeditions to exotic locations and collecting new specimens, but the truth is that thousands of new plant species are lying neglected and unidentified in cupboards, drawers and cabinets around the world,” Oxford’s Robert Scotland said. The reason for this phenomenon, the resear...
We present and numerically solve a model of the photorefractive Gunn effect. We find that high field domains can be triggered by phase-locked interference fringes, as it has been recently predicted on the basis of linear stability considerations. Since the Gunn effect is intrinsically nonlinear, we find that such considerations give at best order-of-magnitude estimations of the parameters criti...
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