羧基的

A salt or ester of carbamic acid, especially one used as an insecticide.

组成蛋白质的基本单位，含有一个氨基和一个羧酸基。

Any of several esters, other than the ethyl ester, of carbamic acid .

组成蛋白质的基本单位，含有一个氨基和一个羧酸基。

The structure of products was characterized by means of infrared spectra, wide-angle X-ray diffraction and differential scanning caloriimetry and the effect of deacetylation in course of konjac glucomannan carboxy methylation was analyzed.

运用红外光谱、广角X-射线衍射和示差扫描量热法表征产物结构并探讨脱乙酰基对KGM羧甲基改性的影响。

The stereochemical effect of the chiral amino acid residues on the formation of penta-coordinate phosphorus intermolecular mixed carboxylic-phosphoric anhydride from N-phosphorylamino acids was studied with density functional theory calculations at B3LYP/6-311G level.

用密度泛函方法在B3LYP/6-311G水平上对N-磷酰化氨基酸生成五配位磷酸羧酸混酐反应中手性氨基酸残基侧链的立体化学效应进行了研究。

A series of ABEPS were synthesized from long chain fatty acids, benzene, polyglycol and 1, 3-propane sultone by the procedure of Friedel-Crafts acylation, Huang-Minlon reduction, Williamson and sulfonation reaction, and these compounds had never been reported in the past time.

以长链羧酸、苯、多缩乙二醇和丙烷磺内酯为初始原料，依次经Friedel-Crafts酰基化反应、Huang-Minlon还原、Blank反应、Williamson成醚以及磺化反应等过程，合成了系列未见报道的ABEPS。

Any of a group of enzymes that catalyze transamination.

组成蛋白质的基本单位，含有一个氨基和一个羧酸基。

By utilizing three benezenemulticarboxylate derivatives (H2chdc, H2aip, NaH2sip), we obtain 12 coordination polymers. Especially, compelexes 1 and 2 are based on one-dimensional ···OHInOHIn···chains as building units, while complex 3 is based on double four-ring [In8(μ2-O)4(μ2-H2O)8]16+, complex 4 is based on trinuclear In3(μ3-O)(CO2)6, complexes 11 and 12 are both based on nested bistranded helices.

选择了三类取代苯羧酸配体： 2，5-二羟基-1，4-对苯二甲酸(2，5-H2chdc)； 5-氨基间苯二甲酸(5-H2aip)； 5-磺酸基间苯二甲酸钠盐(5-NaH2sip)和InCl3反应合成了十二个配位化合物：其中1、2以···OHInOHIn···链为构筑单元， 3以双四元环[In8(μ2-O)4(μ2-H2O)8]16+为构筑单元，4以棱柱状三核铟In3(μ3-O)(CO2)6为构筑单元，而11、12以嵌套的双股螺旋链为构筑单元。

The limited of quantification of this method in various matrixes is 2 μg/kg.

三氟羧草醚在各种基质中的测定低限均为2 μg/kg。

ABSTRACT: In the presence of sodium t-butoxide and DMSO,ethyl 2-oxocyclopentanecarboxylate was subjected to C-alkylation with 2-(4-bromomethylphenyl)propanoic acid with high regioselectivity to give 2-［4-(1-ethoxycarbonyl-2-oxo-1-cyclopentanylmethyl)phenyl］propanoic acid (4) which was followed by hydrolysis,decarboxylation and salt formation to afford loxoprofen sodium in about 72% overall yield.

在叔丁醇钠和二甲基亚砜的存在下，2-丙酸对2-乙氧羰基环戊酮进行C-烷基化，再经水解脱羧，成盐即得洛索洛芬钠，以2-丙酸计算，总收率为72%。

Among analyzed 197 synthetic genes on chip, approximately 60 genes have been expressed, including 18 two-component/kinase, 10 glycolysis/TCA, 3 gene clusters, 7 regulators, 5 asaption/celldivision/differentiation/sporulation, 4 transport/binding proteins, 2 chaperones, 5 RNA polymerase sigma-factors, 3 transcription/translations, 2 fatty acid synthesises and 1 RNA polymerase β subunit.

对芯片上的197个合成基因进行分析：大约有60个基因进行了表达，其中包括18个双组分或激酶基因；10个糖酵解或者三羧酸循环途径基因；3个阿维基因簇；7个调节基因；5个细胞分化或孢子形；4个运输或固定基因；两个伴侣分子；5个RNA聚合酶σ因子；3个转录基因；两个脂肪酸合成基因；1个RNA聚合酶β亚基。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。