酸基

Products has led caprate cobalt, cobalt naphthenate, TY series of high-performance polyimide resin, FLQ type latent epoxy curing promoting agent, diallyl bisphenol A Product dozens of top-five.

主导产品有癸酸钴、环烷酸钴、TY系列高性能聚酰亚胺树脂、FLQ型潜伏性环氧固化促进剂、二烯丙基双酚A五大类数十种产品。

Starch esterification was proceeded with native cassava starch and three saturated free fatty acids: capric acid (C10:0), myristic acid (C14:0) and stearic acid (C18:0). The fatty acid modified starch was prepared by using lipase PS as the catalyst.

中文摘要本研究以天然树薯淀粉为反应基质，与三种不同链长饱和脂肪酸羊蜡酸(C10：0、肉豆蔻酸(C14：0)与硬脂酸(C18：0)分别於水相及有机相行酯化反应，并且以工业中常用的脂肪水解酶lipase PS催化酯键合成，可得脂肪酸修饰淀粉(fatty acid modified starch， FAMS)。

The experimental results show that the transfer volumes for these amino acids from water to sodium acetate, sodium butyrate, sodium caproate, sodium caprylate and guanidium hydrochloride solution are positive and increase with the increasing concentration of denaturant The standard partial molar transfer volume of zwitterionic end group (NH〓, CO0〓) are larger positive values and the corresponding values of methylene group CH〓 are smaller and negative.

实验结果表明，氨基酸从水到乙酸钠、丁酸钠、己酸钠、辛酸钠和盐酸胍水溶液的标准转移偏摩尔体积为正值，且随变性剂浓度的增加而增大；氨基酸的两性端基的标准转移偏摩尔体积为较大的正值，而CH〓基团标准转移偏摩尔体积为较小的负值。

Nine kinds of pigments were identified in Ulothrix sp.. They are carotinoid, pheophytin, chlorophyll a, b, chlorophyllin chlorophyllide a,neoxanthin, chlorophyll c and pheophytin c.

丝藻的色素种类有 9种，分别为胡萝卜素、脱镁叶绿素 a、叶绿素 a、叶绿素 b、叶绿酸、脱酯基叶绿酸、新黄素、叶绿素 c和脱镁叶绿素 c。

The main component was methoxy-ethyl cinnamate with content of 40.96%,next was ethyl cinnamate with content of 23.68%.

主要成分是对甲氧基肉桂酸乙酯，含量为40.96%；其次是肉桂酸乙酯，含量为23.68%。

It is a citric acid cycle enzyme, citrate synthase located in the mitochondrial matrix.

这是拧檬酸循环中的一个酶，位于线粒体基质中的檬酸合酶。

Their structures were characterized as dihydroconiferyl dihydro-p-coumarate, vanillin, apocynin, p-hydroxybenzaldehyde, syringaldehyde, syringic acid, syringylethanone,α-hydroxypropiosyringone, coniferyl aldehyde, dihydroconiferyl alcohol, 2-hydroxyphenylpropanol, and 3-hydroxy-4-methoxy-phenylethanol, respectively.

结果 从该植物中分离得到12个酚性化合物，其结构分别为二氢松柏醇二氢对羟基桂皮酸酯，香草醛，罗布麻宁，对羟基苯甲醛，丁香醛，丁香酸，丁香乙酮，α-羟基丁香丙酮，松柏醛，二氢松柏醇，2-羟基苯丙醇和3-羟基－4-甲氧基苯乙醇。

Polymorphism was detected for exon 3 of BMP4 gene in four sheep breeds. For exon 3, three genotypes were detected in four sheep breeds. In Small Tail Han, Chinese Merino, Corriedale and South African Mutton Merino sheep, frequency of genotype AA was 0.017, 0.216, 0.115, 0.429, frequency of genotype AB was 0.102, 0.317, 0.269, 0.500, frequency of genotype BB was 0.881, 0.467, 0.616, 0.071, respectively. Sequencing revealed one singlenucleotide mutation C→A at 305 bp of exon 3 of BMP4 gene in genotype BB in comparison to genotype AA, and this mutation resulted in an amino acid change of alanine→aspartic acid.

对于外显子3的引物，在4个绵羊品种中都检测到3种基因型；统计结果表明：小尾寒羊、中国美利奴绵羊、考力代绵羊、南非肉用美利奴绵羊AA基因型频率分别为0.017、0.216、0.115、0.429，AB基因型频率分别为0.102、0.317、0.269、0.500，BB基因型频率分别为0.881、0.467、0.616、0.071；测序结果表明：BB型和AA型相比在BMP4基因外显子3第305位碱基处发生C→A的突变，该突变导致氨基酸由丙氨酸改变为天冬氨酸；BB型小尾寒羊平均产羔数分别比AB型和AA型多0.61只（P.05）和1.01只（P.05）。

According to the standard curve, the growth quantity of L....

本方法适用于含泛酸钙及游离泛酸的奶基婴幼儿食品。

The dispersion of particles in cyanate ester was also observed with the aid of TEM. Moreover, the effect of the content of particles on the dielectric properties of cyanate ester composites was investigated.

利用透射电子显微镜，观察了粒子在氰酸酯基体中的分散情况，分析并讨论了添加粒子对氰酸酯复合材料介电性能的影响。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。