نتایج جستجو برای: آزمون های gof
تعداد نتایج: 512903 فیلتر نتایج به سال:
We present Mapcurves, a quantitative goodness-of-fit (GOF) method that unambiguously shows the degree of spatial concordance between two or more categorical maps. Mapcurves graphically and quantitatively evaluate the degree of fit among any number of maps and quantify a GOF for each polygon, as well as the entire map. The Mapcurve method indicates a perfect fit even if all polygons in one map a...
The homeobox genes ladybird in Drosophila and their vertebrate counterparts Lbx1 genes display restricted expression patterns in a subset of muscle precursors and are both implicated in diversification of muscle cell fates. In order to gain new insights into mechanisms controlling conserved aspects of cell fate specification, we have performed a gain-of-function (GOF) screen for modifiers of th...
Abstract This document reports on the use of an algebraic, visual, formal approach to the specification of patterns for the formalization of the GoF design patterns. The approach is based on graphs, morphisms and operations from category theory and exploits triple graphs to annotate model elements with pattern roles. Being based on category theory, the approach can be applied to formalize patte...
Humans are notoriously poor at assessing future benefits and risks. Consider nuclear power, which was born from a program to develop a weapon of mass destruction. When nuclear power was developed for commercial purposes, the risk was thought to be minimal and no one anticipated the disasters at Three Mile Island, Chernobyl, and Fukushima. On the other hand, no one initially anticipated the bene...
سابقه و هدف: جنگل های زاگرس به عنوان یکی از بوم سازگان جنگلی مهم ایران پوشش گیاهی (درختان، درختچه ها گونه علفی) متنوعی برخوردار می باشد. شناسایی آگاهی دقیق نقش شناختی آنها در این سازگان تواند حفاظت منابع طبیعی توسعه پایدار کمک شایانی نماید. بهمنظور مطالعه تنوع گونهای گیاهان چوبی ذخیره کربن خاک رابطه با عوامل فیزیوگرافیک (جهت، شیب ارتفاع سطح دریا)، رویشگاه کیکم (var. cinerascens Acer...
A novel chelating adsorbent was successfully synthesized by cross-linking of 4, 4', 4"-s-triazine-1, 3, 5-triyltri-p-aminobenzoic acid as a linker with nanosheets graphene oxide to provide 3-dimensional framework. Therefore, the adsorption process Cd2+ and Pb2+ on investigated employing an ultrasonic bath. The optimum condition containing small amount (10 mg) for both metals at pH=8 pH=5 Pb2+, ...
هدف: آینده نگری مجموعه ای از توانایی های شناختی است. که شامل پیش بینی حالت ممکن آینده و نیازهای خود این مهارت برای برنامه ریزی، غلبه بر موانع رسیدن به موفقیت افراد کمک میکند. یکی جدیدترین ابزارهای سنجش توانایی تفکر آیندهنگر در کودکان، مقیاس کودکان (مازاچووسکای مهی، 2020) است ویژگی روانسنجی آن استفاده جمعیت ایرانی مورد مطالعه قرار نگرفته روش: روش پژوهش حاضر توصیفی مقطعی بود. تعداد 200 ...
The last two and a half years have witnessed a curious debate in virology characterized by a remarkable lack of discussion. It goes by the misleading epithet "gain of function" (GOF) influenza virus research, or simply GOF. As will be seen, there is nothing good to be gained. The controversial experiments confer aerosol transmission on avian influenza virus strains that can infect humans, but w...
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