methyl的例句大全

Genes get switched off when a chemical mark, a methyl group, is added to the DNA.

DNA的甲基化会使基因表达关闭.

The results show that methyl end-stopped dimethylpolysiloxane remarkably lower modulus and improve movement ability of silicone sealant, while incompatibility of low molecular weight polybutene to polysiloxane lead to negative effect on adhesion.

结果表明：甲基硅油增塑剂对降低模量、提高位移能力效果明显；聚丁烯与聚硅氧烷相容性差，影响与基材的界面粘接；

Methyl end-stopped dimethylpolysiloxane, low molecular weight polybutene and hydrogenated alkane oil were used as plasticizer in RTV-1 alcohol-silicone sealant and the properties of there sealants was studied.

研究了甲基硅油、低分子量聚丁烯、氢化烷烃油作为增塑剂用于脱醇型RTV-1硅酮胶对其性能的影响。

Synthesis of Methyl Ether of Caged Bicyclic Phosphate

笼状双环磷酸酯甲基醚的合成

Effect of Maternal Immunoglobulin G on N-Methyl-D-Aspartate-Induced Infantile Spasms Rat Model and on Adrenocorticotrophic Hormone Expression in Brain

母体免疫球蛋白G对N-甲基-D-天冬氨酸诱导婴儿痉挛大鼠模型的作用及其对脑内促肾上腺皮质激素表达的影响

Objective To explore the effect of maternal immunoglobulin G ( IgG) on N-methyl-D-aspartate ( NMDA) induced infantile spasms rat model and on the adrenocorticotrophic hormone ( ACTH) expression in brain.

目的探讨母体免疫球蛋白G（IgG）对N-甲基-D-天冬氨酸（NMDA）诱导婴儿痉挛大鼠模型的临床作用及其对脑内促肾上腺皮质激素（ACTH）免疫反应阳性细胞表达影响。

Isolation and Characterization of Isofenphos-methyl Degrading Bacterium HLZ

一株甲基异柳磷降解菌HLZ的分离及其降解特性的研究

Trimethoxysilane was synthesized with trichlorosilane and methyl by double solvent method.

采用双溶剂法,以三氯氢硅和甲醇为原料合成三甲氧基硅烷.

From campholenic aldehyde, sandalwood fragrance campholenyl methyl cyclohexanol was synthesized.

从龙脑烯醛合成了檀香香料龙脑烯基甲基环己醇.

A new method for the simultaneous determination of p aminobenzoic acid and methyl p aminobenzoate was proposed.

研究了导数荧光光谱法同时测定对氨基苯甲酸及对氨基苯甲酸甲酯的新方法。

Study on reaction temperature behavior for the synthesis of pseudoionone isomers by methyl acetoacetate method

乙酰乙酸酯法合成假性紫罗兰酮同分异构体温度反应行为研究

Manufacturing and Application of Methyl Acetoacetate

乙酰乙酸甲酯的生产及其应用

Analytical Method for Determination of Methyl Mercaptan and Other Sulfides in Atmosphere

大气中甲硫醇等有机硫化物的分析方法研究

Measurement on the Content of Methylamine and Methyl Alcohol in Waste Water

废水中甲胺类和甲醇含量的测定

The synthetic method of potassium methyl silicate and its application in oil-well drilling were investigated.

研究了甲基硅酸钾的合成方法及其在油田钻井中的应用.

The properties, domestic application situation and synthesis method of the herbicide tribenuron-methyl are introduced.

摘要介绍了除草剂苯磺隆的性质 、 国内应用现状和合成方法.

Graft copolymerization of methyl methacrylate onto starch using acetylacetonate copper ( ii) complex

乙酰丙酮铜（Ⅱ）引发淀粉与甲基丙烯酸甲酯接枝共聚合的研究

Among the five chosen substrate, asymmetric hydrolysis of methyl ester or isopropyl ester formed S (+)-ibuprofen of 97% ee.

在试验的五种布洛芬消旋酯中，水解甲酯和异丙酯生成s（+）-布洛芬ee可达97%，乙酯为93%以上；

Vapor-liquid equilibrium of4-methyl-2-pentanol and water was determined at760 mm Hg with a modified circulation still within the temperature range of94.37 to131.38 ℃.

用改进的双循环型平衡釜测定了4-甲基-2-戊醇和水二元体系的常压汽液平衡（94.37-131.38℃）。

Phenylethyl than malonic acid methyl malonic acid benzene over a methylene, metal complexes of stability and performance is a lack of research.

苯乙基丙二酸比苯甲基丙二酸多一个亚甲基，其金属配合物的稳定性及性能尚缺乏研究。