نتایج جستجو برای: آمیلوئیدوز aa
تعداد نتایج: 23820 فیلتر نتایج به سال:
Introduction The bond strength of the resinmetal interface of a prosthesis is a key factor in determining the serviceability of that prosthesis. Separation of the resin from the metal due to a compromised or weak bond can lead to microleakage, discoloration and total separation of the resin from the metal.1,2 Resin-metal bonding systems as an addition to or replacement for conventional mechanic...
تجزیه و تحلیل صورت بندی های 3- تری فلورو متیل 2- 4- پنتان دیون ( cf3aa) با محاسبه نظریه تابع چگالی در سطح محاسباتی b3lyp/6-311++g** به طور کامل انجام پذیرفته است. نتایج محاسبات برای ترکیب مذکور با مولکول های aa ، claa و tae مقایسه شده است. مقایسه پارامتر های ساختاری ترکیب cf3aa با ترکیبات aa ، claa و tae نشان می دهد که قدرت پیوند هیدروژنی درون مولکولی به ترتیب افزایش به قرار زیر است tae<aa<c...
The effect of ascorbic acid (AA) and butylated hydroxyanisole (BHA) supplementation on aflatoxicosis in broiler chickens (1 to 42 days of age) was investigated (250, 500, 1000 and 2000 ppm for AA and BHA) in diet containing 1 ppm total aflatoxin (AF: 76.45% AFB1, 10.52% AFB2, 9.89% AFG1 and 3.14% AFG2). A total of 300 day-old broiler chicks were divided into ten treatment groups (T1=control; T2...
Ascorbic acid (AA) as a vitamin and neuromodulator is present in most parts of CNS such as nucleus accumbens shell (Acbsh). This study evaluates the effect of intra-nucleus accumbens shell injection of AA on spatial learning and memory. 35 adult male Wistar rats (220-270 g) were divided into 5 groups: control (intact), sham AA (injected normal saline as AA vehicle) as well as 3 groups of AA (12...
Kepler’s Harmonice Mundi includes a mysterious arrangement of polygons labeled Aa, in which many of the polygons have fivefold symmetry. In the twentieth century, solutions were proposed for how Aa might be continued in a natural way to tile the whole plane. I present a collection of variations on Aa, and show how it forms one step in a sequence of derivations starting from a simpler tiling. I ...
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