查询词典 amino-azo-benzene

The proper in-situ polymerization systems of acidic and basic compounds using amino acid derivatives and cinchona alkaloids as template molecules respectively were adopted for preparation of molecularly imprinted monolithic columns by systematically investigating the effect of polymerization conditions on pore structure and selectivity of resulting polymers. The enantiomers of amino acid derivatives and the diastereomers of cinchona alkaloids were successfully resolved on these columns.

本文分别以氨基酸衍生物和辛可纳生物碱为模板分子，系统研究了制备条件对聚合物孔结构和选择性的影响，建立了合适的酸性化合物和碱性化合物的原位印迹体系。

A method for determinating the activities of pectinase was proposed in this paper. It can produce the red-brown amino compounds when 3,5-dinitrosalicylic acid and aldehyde were heated together. The amino compounds had maximum absorbency at 540nm. In certain range, there was a good linear relationship between the amount of reducing sugar and the color of the reaction mixture.

针对QB1502-92标准测定方法测定高活力果胶酶、固定化果胶酶活力存在的实验误差大，重现性及灵敏度差的缺陷，提出了利用3，5-二硝基水杨酸与醛糖共热产生棕红色的氨基化合物，在一定范围内还原糖的量和含有呈色氨基化合物的反应液颜色深浅成正比的原理，在540nm下测其吸光度，从而计算出果胶酶活力的测定方法，并对测定步骤、影响因素及测定中可能出现的问题进行了试验研究。

Qiangli′an brand sterilant (stable ClO2) is colorless, tasteless, nonpoisonous, non－corrodent and transparent liquid, being a strong oxidant, it can resolve and oxidize the amino acid of microbial protein, break the amino acid chain and lead to microbial death.

摘 要：强力安灭菌剂是无色、无味、无毒、无腐蚀的透明液体，是一种强氧化剂。可使微生物蛋白质中的氨基酸氧化分解，导致氨基酸链断裂，蛋白质失活，使微生物死亡。

Methods: The hair samples were collected from 41 youth of Chinese Han in Shanghai. The amino acid makeup was analyzed by amino acid analyzer. The outer surface and cross section of hair were observed. The radial swelling of hair was determined by polarizing microscope. The tensile study of hair fiber was performed by mechanical testing machine.

收集41例上海地区汉族青年的头发样品，使用氨基酸与多肽分析仪进行氨基酸定量分析，使用电镜观察并测量头发表面及横断面形态，应用偏光显微镜测量头发的吸水径向膨胀特性，应用纤维强力试验机检测头发的拉伸性能。

Northern crossbreed results showed that it is expressed only in human brain. This gene has a 50% amino acid sequence identity with Caenorhabdilis elegans, Anopheles gambiae sir arid Drosophila, and 94% amino acid sequence identity with Rattus norvegicus and Mus musculus.

Northern杂交结果表明：该基因只在人类大脑组织中表达，且与无脊椎动物线虫、疟蚊和果蝇的同源基因有50%的氨基酸同源性，与脊椎动物大鼠和小鼠的同源基因有50%以上的氨基酸同源性。

The absorption of root system was the main sources of nitrogen in the plant.The effects of matrix ventilation on the abaorption,transportion and metabolism of nitrogen in the root system of cucmber were discussed deeply.The results showed that contents of ammonium,nitrate,free amino acids and soluble protein in cucumber roots were higher in G1 treatment.Contents of ammonium,nitrate and free amino acids in cucumber roots were the trend of the dropping after the first rising in F1 treatment,but contents of soluble protein was lower11.03%than that of the control.

根系吸收是植物体内氮素的主要来源，本研究深入探讨了基质通气状况对黄瓜根系氮素吸收、运输和氮代谢的影响，结果表明G1通气处理根系的铵盐、硝酸盐、游离氨基酸和可溶性蛋白含量均较高；非通气处理(F1处理)根系内铵盐、硝酸盐和游离氨基酸含量呈先升高后降低的趋势，而可溶性蛋白含量始终较低，比对照降低11.03%。G1处理根系硝酸还原酶、亚硝酸还原酶、谷草转氨酶、谷丙转氨酶、谷氨酰胺合成酶活性均较高；而F1处理的酶活性在处理末期显著降低，其中谷氨酰胺合成酶活性比对照降低33.33%。

A novel isomer of furazano energetic compound 3,4-diaminofurazanofuroxan was synthesized by the dimeric ring-close reaction of transitional intermediate 3-amino-4-cyanofurazan oxide after the energetic compound 3-amino-4-chloroximinofurazan was treated with diluent alkali at low temperature, The yield of DAFF isomer could be over 66.3% and its single crystal was cultivated.

将含能化合物3-氨基－4-氯肟基呋咱在低温下用稀碱处理后发生过渡中间体3-氨基－4-氰基呋咱氧化物的二聚关环反应合成了新型呋咱类含能化合物3，4-二氨基呋咱基氧化呋咱异构体，产率达66.3%。

Further bioinformatical analysis indicated that the three Y-box genes of lamprey, i.e., Lyb1, Lyb2, and Lyb3, encoded 331, 181, and 171 amino acids, respectively. The three amino acid sequences were homologically aligned with those from Ciona intestinalis, Danio rerio, Oryzias latipes, Takifugu rubripes, and Mus musculus by DNAMAN software.

采用DNAMAN软件，将七鳃鳗的3个Y-box蛋白氨基酸序列与海鞘、斑马鱼、清鳉、河豚鱼和小鼠Y-box蛋白进行同源性分析，结果显示他们共有一个保守的冷休克结构域，其中包含两个RNA结合基序RNP-1和RNP-2，表明获得的Lyb基因属于Y-box 基因家族成员。

Values of hydration number of amino acids have been calculated at different temperature and concentration of denaturant. It is found that they decrease with increasing temperature and concentration of denaturant. Denaturant and increasing temperature have cooperative dehydration effect on amino acids.

计算了不同温度和变性剂浓度下氨基酸在乙酸钠、丁酸钠、己酸钠、辛酸钠和盐酸胍水溶液中的理论水化数，发现它们随变性剂浓度的增加和温度的升高而减小，说明变性剂和升温对氨基酸有协同脱水作用。

The intermediate of flazasulfuron weedicide ,2-amino-4,6-dimethoxypyrimidineis conveniently obtained by treating 2-amino-4,6-dihydroxypyrimidinewith diazomethane at 20 °C for 24h.

本文利用硝酸胍和丙二酸二乙酯为起始原料，经环合及甲氧基化两步反应得到除草剂啶嘧磺隆的中间体：2-氨基-4，6-二甲氧基嘧啶。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。