نتایج جستجو برای: آرایه arrow
تعداد نتایج: 8672 فیلتر نتایج به سال:
Mouse oocytes were placed in Hepes-T6 containing 7.5 μg/ml cytochalasin B and 5μg/ml Hoechst prior to enucleation, and enucleation was performed on oocytes using the manipulator. The oocyte held in place by gentle suction of a holding pipette (oocyte diameter approx.70 μm). The metaphase spindle (arrow) is aspirated into an enucleation pipette (1).
Throughout this paper, our main idea is to analyze the Arrovian approach in a fuzzy context, paying attention to different extensions of the classical Arrow's model arising in mathematical Social Choice to aggregate preferences that the agents define on a set of alternatives. There is a wide set of extensions. Some of them give rise to an impossibility theorem as in the Arrovian classical mod...
: در سیستمهای آرایه فازی مرسوم، برای بهبود تفکیکپذیری فضایی، نیاز به افزایش طول آرایه و در نتیجه افزایش تعداد المانهای آنتن است. این نیاز را میتوان در رادارهای چند ورودی- چند خروجی (MIMO) و با استفاده از سیگنالهای متعامد ارسالی از چندین فرستنده و استفاده از المانهای مجازی حاصل از آن رفع کرد. مکان المانهای مجازی از کانولوشن مکان المانهای فیزیکی فرستنده و گیرنده در هم به...
Since road signs are officially managed by local government, they are reliable information for drivers. For systematic managing the road sign information, it is necessary to construct road sign database. In this paper, we deals with automatic road direction information extracting algorithm from road sign imagery obtained by MMS (Mobile Mapping System). Our algorithm consists of three phase. In ...
We introduce the arrow calculus, a metalanguage for manipulating Hughes’s arrows with close relations both to Moggi’s metalanguage for monads and to Paterson’s arrow notation. Arrows are classically defined by extending lambda calculus with three constructs satisfying nine (somewhat idiosyncratic) laws; in contrast, the arrow calculus adds four constructs satisfying five laws (which fit two wel...
The development of cancer is driven by complex genetic and epigenetic changes that result in aberrant and uncontrolled cellular growth. Epigenetic changes, in particular, are implicated in the silencing or activation of key genes that control cellular growth and apoptosis and contribute to transformative potential. The purpose of this review is to define and assess the treatment strategy of "ep...
This paper seeks to explain and relate three macroscopic arrows of time: the thermodynamic arrow, defined by entropy-generating processes in closed systems, the historical arrow, defined by information-generating processes in certain open systems, and the cosmological arrow, defined by the cosmic
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