The excretion of methyl mercury becomes very difficult because of high enterohepatic circulation and reabsorption by proximal convoluted tubule.
由于甲基汞在体内的肠肝循环和肾脏近曲小管对甲基汞的重吸收效率高，使甲基汞的体外排泄十分困难。
Approximately 30 compounds including methyl salicylate have been identified in the aroma of green tea.
约有30种化合物已从绿茶的香气中鉴别出来，其中包括水杨酸苄酯。
Tribenuron-methyl is synthesized via ring-opening reaction, phosgenation and condensation.
经过开环、光气化、缩合等一系列反应制备了苯磺隆。
One adds molecules called methyl groups to the DNA of the gene. This suppresses gene expression.
一种是在基因的DNA上添加甲基，从而阻止了基因表达。
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。
The invention discloses a new use of methyl liensinine.
本发明披露了甲基莲心碱的新用途。
Another example is methyl orange, which is red in acids and yellow in alkali solutions.
另一个例子是甲基橙，它在酸性溶液中为红色而在碱性溶液中为黄色。
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。
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。
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。
Diagnostic criteria and principle of treatment for chronic methyl? Mercury poisoning caused by water pollution.
水体污染慢性甲基汞中毒诊断标准及处理原则。
The above results have active significance for us to produce and process the poly (n methyl) aniline and derivatives in the future.
上述结果对聚苯胺及其衍生物的生产和加工具有积极的意义。
When methyl groups are added to a histone, they modify its properties and alter the frequency at which a particular gene is expressed.
当甲基加到组蛋白后，这些基团会修饰它的性质并改变它上面特定基因的表达频率。
The experimental results show that the catalytic rectification technique can be successfully used in the hydrolysis of methyl acetate.
实验结果表明催化精馏技术应用于醋酸甲酯的水解反应是可行的。
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。
Expert advice and data presented to the GACVS in June 2002 indicate that the pharmacokinetics of ethyl and methyl mercury are quite different.
专家咨询和2002年6月GACVS的会议资料表明，乙基汞与甲基汞的药物代谢动力学情况是很不一样的。
Previously, MTBE (methyl tertiary-butyl ether) was the oxygenate of choice, but fell out of favour in 2004 when it was found to contaminate ground water.
以前，MTBE（甲基叔丁基醚）曾作为汽油充氧剂，但是，在2004年，人们发现它污染了地下水，所以就不再使用它了。
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。
OBJECTIVE: To observe the role of target muscular injection of methyl cobalamin of different dosages in the regeneration of peripheral nerve injury in rats.
目的：通过靶肌肉注射不同剂量的甲钴胺，观察其对大鼠坐骨神经损伤的再生作用。
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。
The enzymes in question are histone acetyltransferase (which adds acetyl groups to proteins) and methylated DNA-binding protein-2 (which removes methyl groups from DNA).
这两种酶是组蛋白乙酰转移酶(它能给蛋白质添加乙酰基)和甲基化dna结合蛋白- 2(它能把DNA上的甲基去除)。
Thiomersal contains a different form of mercury (i.e. ethyl mercury, which does not accumulate, is metabolized and removed from the body much faster than methyl mercury).
硫柳汞含有另一种形式的汞(即乙基汞，它不会积累，在人体中新陈代谢和清除的速度比甲基汞要快得多)。
Around midnight on Dec. 2, 1984, an accident at a Union Carbide pesticide plant in Bhopal, India, resulted in 45 tons of poisonous methyl isocyanate escaping from the facility.
1984年12月2日午夜，位于印度博帕尔的联合碳化物公司的农药厂发生事故，导致45吨的有毒异氰酸甲酯从设备中泄露。
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。
Methanol, also known as methyl alcohol, is used as a basic material to produce chemical products, such as plastics, paint, construction materials and windshield washer fluid.
甲醇，也称木精，是塑料、油漆、建筑材料和挡风玻璃洗涤液等化学产品的基础原料。
Based on the principle of ester hydrolyzation to ether in alkali condition, the process for preparation of dimethyl sulfide from sodium methyl sulfate residue was investigated.
根据酯在碱性条件下水解反应生成醚的原理，研究了以甲基硫酸钠废渣为原料制备二甲基硫醚的方法。
Due to their high methyl mercury content, limit white (albacore) tuna to 6 ounces per week and do not eat the following four types of fish: tilefish, shark, swordfish, and king mackerel.
由于一些海鲜甲基汞含量过高，白吞拿鱼每周不超过6盎司，不要食用以下4种鱼：方头鱼，鲨鱼，剑鱼和鲭鱼。
Due to their high methyl mercury content, limit white (albacore) tuna to 6 ounces per week and do not eat the following four types of fish: tilefish, shark, swordfish, and king mackerel.
由于一些海鲜甲基汞含量过高，白吞拿鱼每周不超过6盎司，不要食用以下4种鱼：方头鱼，鲨鱼，剑鱼和鲭鱼。
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