这些氨取代酸可以与未取代的氧络阴离子相类似方式聚合。
These amine substituted acid may polymerize in an analogous manner to unsubst stated oxo - anions.
蛋制品能够取代在食谱中的未煮熟的生蛋(比如凯撒沙拉，荷兰酱，自制蛋黄酱，冰淇淋，酸橙派)。
Egg products can be substituted in recipes typically made with raw eggs that won't be cooked (for example, Caesar salad, Hollandaise sauce, eggnog, homemade mayonnaise, ice cream, and key lime pie).
在所有已存在的生命形式中，细胞的蛋白质合成机制通过读取代表核苷酸的四个DNA化学“字母”来合成氨基酸链。
In all existing life forms, the cell's protein-making machinery reads the four chemical "letters" of DNA - called nucleotides - in triplets to make chains of amino acids.
用红土取代酚醛防锈漆中氧化铁红，辅以钛酸酯偶联剂，制出F53 - 33铁红酚醛防锈漆。
Iron red replaced by red clay, titanate as coupling agent, F53-33 iron red phenolic anti-rust paint qualified has been prepared.
菸酸与二乙胺、三氯氧磷作用，再经氢氧化钠中和，加入纯碱使反应液中的产品与水分层，取代有机溶剂萃取工艺，简化了操作，降低了消。
Instead of extracted by organic solvents, sodium carbonate was used to separate the product and water, thus the following press was simpler and the cost was lower.
盐：酸中的氢被金属或相当金属的基团如氨（NH4）取代后所生成的化合物。
Salt: Chemical compound formed when the hydrogen of an acid is replaced by a metal or its equivalent, such as ammonium (NH4).
以铬化砷酸铜(CCA)为代表的水载型防腐剂，逐渐被其他主要有效成分为铜的水载型防腐剂取代，这类防腐剂中的。
Arsenic and chromium based water-borne preservatives, especially CCA (chromated copper arsenate), have been partly replaced by some copper based preservatives.
松香可取代一定百分比的二元酸。
由于其自身的某些缺点，用新型骨修复材料取代聚甲基丙烯酸甲酯已成为必然，并取得了很大进展。
Due to some inherent shortcomings, it is necessary to develop new types of bone restorative materials instead of PMMA, and great progresses in this field have been made.
预示在食品加工业中，槐花精油可以取代山梨酸钾作为栅栏因子抑制致病菌的生长繁殖，从而提高食品的安全性。
This indicated that essential oil can replace potassium sorbate as a hurdle factor inhibiting the growth of pathogens and enhancing food safety during food process.
用新型绿色溶剂取代传统的二甲苯等有毒溶剂，并对环氧丙烯酸树脂的合成工艺进行改进。
Such traditional poisonous solutions are replaced with dimethylbenzene to improve the synthesis technology of epoxy acrylic resin.
本文综述了磺酰化氮取代氨基酸配合物的合成、配位结构方式的研究进展。
The paper summarizes the progress in the studies of synthesis, coordinated modes of the complexes with N-sulfonyl amino acids.
近年来，全连续式酸沈线逐步取代了半连续推拉式酸洗线。
In recent years, continuous pickling line is replacing semi-continuous push-pull pickling line step by step.
本文研究了同源胰岛素间氨基酸取代的规律性。
In this article the regularity of amino acid replacement among homologues insulins was explored.
生测结果表明在吡啶环的2位合适的取代基和丙烯酸酯的3位取代基的体积对除草活性至关重要。
These results indicated that a suitable substituent at the 2-position of pyridine ring and a well-fit group at the 3-position of acrylate were both essential for hi.
光学纯的硅取代氨基酸是一类非天然的手性氨基酸合成子，在药物、植物保护剂和精细化学品的合成中具有极为广阔的应用前景。
Optically pure silicon containing amino acids are unnatural amino acids synthons and have broad applications in the synthesis of many drugs, plant protectants and fine chemicals.
寻求新的合成方法、向聚合物主链上引入取代基、质子酸掺杂和实现高聚物及其衍生物之间的相互共聚等都是解决此类问题常用的方法。
Seek a new synthesizing method, develop the substituents of these polymers and copolymerization have been a useful method to solving this kind of problems.
核苷酸顺序分析表明存在1—3个核苷酸取代。
Sequence analysis revealed sequence differences of 1-3 nucleotides involving three separate codons.
本研究尝试用一种无毒、廉价易得的不饱和羧酸-山梨酸(SA)取代腐蚀性、刺激性的(甲基)丙烯酸用于原位合成不饱和羧酸金属盐。
In the present study, we used a nontoxic and cheap sorbic acid (sa) to substitute the corrosive and irritative (meth) acrylic acid for in situ synthesis of unsaturated metal carboxylates.
该产品的取代度高，取代基分布均匀，具有高粘度、高钠含量、高酸粘比、高盐粘比的特点。
The product is high in degree of substitution, whose substituent distribute equally, has characteristics of high viscosity, high content of sodium, high acid-viscosity ratio.
部分取代噻唑烷酸酯类化合物能吸附于心肌细胞膜表面，并具有降压作用。
Most of synthesized compounds could be adsorbed well on cell membrane and had antihypertensive effect.
以溴戊烷、溴己烷、1，2-二溴乙烷和亚磷酸三甲酯为原料，分别合成了戊基、己基、溴乙基取代的三种膦酸二甲酯化合物。
In this paper, three alkyl substituted dimethyl phosphonates have been synthesized by trimethyl phosphite with 1-Bromopentane, 1-Bromohexane and 1,2-Dibromoethane.
在我们的合成方法中，先从-苯乙醇开始合成了-苯乙基氯，再用丙二酸二乙酯的烯醇盐离子进行亲核取代。
First we synthesized the -phenylethyl chloride from -phenylethyl alcohol. Then it was substituted by enolate anion of diethyl malonate and converted to ester.
分子演化被认为在很大程度上是由稍微有害的氨基酸取代的传播驱动的。
If protein evolution is due in large part to slightly deleterious amino acid substitutions, then the rate of evolution should be greater in proteins that contribute less to individual fitness.
这种合成策略还可以通过控制炔酸酯这类底物来构筑多取代的对称吡咯衍生物和非对称吡咯衍生物。
Besides, this strategy provides an alternative way to construct symmetric and asymmetric polysubstituted pyrrole derivatives via controlling the starting materials of alkynoates.
通过柠檬酸钾和四硫代钨酸铵的配位取代反应合成了双核钨氧柠檬酸配合物。
The binuclear tungsten citrate complex was synthesized by the reaction of (NH4)2WS4 with potassium citrate, and characterized by IR and elemental analysis.
根据所得的酶切类型，计算了种间每核苷酸位点的平均碱基取代值P（遗传距离）。
We estimated the average number of nucleotide substitutions per site (genetic distance, P) among these species according to the cleavage patterns and Nei & Li's models(1979).
根据所得的酶切类型，计算了种间每核苷酸位点的平均碱基取代值P（遗传距离）。
We estimated the average number of nucleotide substitutions per site (genetic distance, P) among these species according to the cleavage patterns and Nei & Li's models(1979).
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