英语释义

• the univalent radical CH3- derived from methane

片语

methyl parathion[农药] 甲基对硫磷

methyl ethyl ketone甲乙酮；[有化] 甲基乙基酮

methyl bromide[农药] 甲基溴；溴化甲烷

methyl oleate[有化] 油酸甲酯

methyl group甲基

Methyl Parathion[农药] 甲基对硫磷

methyl acetate[有化] 乙酸甲酯

Methyl blue甲蓝

methyl green[试剂] 甲基绿

methyl orange[试剂] 甲基橙；甲橙

methyl isobutyl ketone[有化] 甲基异丁基甲酮（等于hexone）

methyl formate[有化] 甲酸甲酯；甲酸薄荷醇酯

Methyl iodide碘甲烷；[有化] 甲基碘；碘代烷

Methyl trifluoromethansulfonate三氟甲磺酸甲酯

methyl methacrylate甲基丙烯酸甲酯；[有化] 异丁烯酸甲酯

methyl chloride氯甲烷；[有化] 甲基氯

methyl ether[有化] 甲醚；甲基醚

methyl mercaptan[有化] 甲硫醇

methyl cellulose甲基纤维素

methyl salicylate[有化] 水杨酸甲酯；冬绿油

methyl iodide碘甲烷；[有化] 甲基碘；碘代烷

methyl alcohol[有化] 木精，[有化] 甲醇（等于methanol）

methyl acrylate[有化] 丙烯酸甲酯；[有化] 丙烯酸酯

Methyl cyanoformate氰基甲酸甲酯

methyl ester[有化] 甲酯

methyl violet[试剂] 甲基紫；龙胆紫；甲紫（消毒防腐药）

英汉例句

• biologists have long known about the switches, which are clusters of atoms called methyl groups.

  生物学家早已知道这个开关，它是由原子组成的，叫做甲基。

• the gas was banned by the montreal protocol, so now, no new methyl chloroform is fouling the data.

  礼仪阻止气体生成，因此，再没有新的甲醇氯仿物能够打乱这项研究的数据了。

• epigenomics studies the distribution over the genome’s dna of control molecules called methyl groups.

  表观基因组学研究的是分布在控制分子的基因组dna (叫作甲基群).

• now that the gas is no longer being produced, scientists can more accurately gauge the action of hydroxyl upon methyl chloroform「s atmospheric concentration.

  既然再不会生成这种气体，那么，科学家们就能够更精确地测量在甲醇氯仿物的空气聚合反应中生成的氢化物水平。

• so, you already have a hint that methyl groups are never in the middle, they always have to be on the outside.

  那么，你已经得到了一个提示,那就是甲基永远都不可能在中间，它们总是在外侧。

• starting just before conception, jirtle and waterland fed a test group of mother mice a diet rich in methyl donors, small chemical clusters that can attach to a gene and turn it off.

  他们只改变了刺豚鼠的饮食。 在大鼠怀孕之前，他们培养了一些在饮食中含有大量的甲基的母鼠，这种小小的化学药品影响了遗传甚至完全改变了遗传。

• an analysis of a person」s dna methylation finds that the number of methyl groups attached to the dna correlates with the person「s age--making saliva analysis a possible csi tool.

  对人体dna甲基化水平进行检测发现，结合在dna上的甲基团数量与年龄有关，因此，唾沫分析技术有望成为犯罪现场取证工具。

• thiomersal does not contain methyl mercury , which is a naturally-occurring compound and whose toxic effects on humans have been well studied.

  硫柳汞不含有甲基汞，甲基汞是一种自然产生的混合物，它对人类的毒性已经被充分研究过。

• thiomersal does not contain methyl mercury, which is a naturally-occurring compound and whose toxic effects on humans have been well studied.

  硫柳汞不含有甲基汞，后者是一种自然产生的化合物，其对人类的有毒影响已得到充分的研究。

• the team looked at methylation, in which a methyl group is placed onto cytosine in dna sequences.

  工作小组关注甲基化作用，是指一个甲基群被放在dna序列的胞嘧啶上面。

• a methyl group is a basic unit in organic chemistry: one carbon atom attached to three hydrogen atoms.

  甲基是有机化学的基本单位：一个碳原子连接三个氢原子。

• during normal development, dna in your body gets what’s called methylated. small chemicals called methyl groups bind to the dna, helping to determine which genes become active.

  在正常的人体发育进程中，体内的dna会发生甲基化，也就是一些甲基团结合在dna上，来帮助确定哪些基因处于活性状态。

• silencing dna: adding methyl groups to specific spots in the genome can alter the expression of marked genes.

  沉默的dna：添加甲基至基因组的特定位置可改变相关基因的表达。

• thiomersal, however, contains ethyl mercury, not methyl mercury, and ethyl and methyl mercury are quite different.

  然而，硫柳汞中所含的是乙基汞，而非甲基汞，乙基汞和甲基汞有很大区别。

• in particular, ethyl mercury decomposes much more quickly than methyl mercury and does not accumulate in the body.

  特别是乙基汞的分解速度比甲基汞快很多，并且不会在体内累计。

• expert consultation and data presented to gacvs indicate that the pharmacokinetic profile of ethyl mercury is substantially different to that of methyl mercury.

  专家协商以及向全球疫苗安全咨询委员会提供的数据显示，乙基汞的药动学特征与甲基汞存有实质性区别。

• after being consumed by the mothers, the methyl donors worked their way into the developing embryos」 chromosomes and onto the critical agouti gene.

  大鼠通过消化，甲基通过自己的方式进入了胚胎的染色体，转变成具有决定性的基因。

• small chemicals called methyl groups bind to the dna, helping to determine which genes become active.

  被叫做甲基群的小东西附着在dna上，用以帮助决定哪些基因激活。

• further, ethyl mercury is actively excreted via the gut unlike methyl mercury that accumulates in the body.

  这样，乙基汞在血液中存在的时间相对较短。另外，乙基汞通过内脏主动排泄，而甲基汞后会在体内蓄积。

• expert consultation and data presented to the gacvs indicate that the pharmacokinetic profile of ethyl mercury is substantially different from that of methyl mercury.

  提交给gacvs的专家咨询意见和资料表明，甲基汞和乙基汞在药物动力学方面截然不同。

• this advice, promulgated in 2004, was intended to protect fetuses from the malign effects of methyl mercury, which accumulates in fish such as tuna.

  这份建议书是2004年颁布的，目的是要保护胎儿免遭的甲基汞的伤害。 甲基汞富集在金枪鱼等鱼类体内。

• however, thiomersal contains ethyl mercury, not methyl mercury.

  但是，硫柳汞含有的成分是乙基汞而不是甲基汞。

• but the results varied widely, possibly because of inaccurate estimates of methyl chloroform released by human activities.

  但是，结果已经发生了很大变化，可能是因为对人类活动生成的甲醇氯仿物估计不準造成的。

• the bacterium, called pseudomonas putida cbb5, can break down caffeine into carbon dioxide and ammonia, removing the hydrogen and carbon chemical bonds, also called methyl groups.

  这种被称为cbb5恶臭假单胞菌的细菌，能够将咖啡因分解成二氧化碳和氨，并去除甲基这种碳氢化学键。

• knowing which enzymes remove methyl groups can help researchers find cheaper, more efficient ways to produce synthetic drugs to treat asthma and blood and heart problems.

  了解了何种酶在去除甲基能够帮助研究者们发现更便宜更有效的方法来生产人造药物去治疗哮喘、血液以及心脏疾病。