查询词典 methyl

In this research, leaves of maize grown on soil pots and vermiculite pots were treated with jasmonate methyl ester, salicylic methyl ester and third instar larvae of the maize stalk borer and were assessed for the effect on the contents of DIMBOA and phenolic acid, and the expression of defense genes in leaves and roots, the content and species of root exudates and the diversity of rhizosphere bacteria community.

本文通过土壤盆栽、蛭石盆栽实验，用化学分析和分子生物学方法研究不同浓度茉莉酸甲酯、水杨酸甲酯及玉米螟3龄幼虫处理玉米（粤农9号）叶片对叶片和根中丁布、酚酸及防御基因的表达量的影响；且探讨处理之后根系分泌物的种类和组分及土壤细菌群落多样性的变化。

The IC50 and IC10 of metsulfuron-methyl and its mixture with bensulfuron-methyl, cinosulfuron, pyrazosulfuron-ethyl respectively to rice seedling of single-leaf were evaluated.

室内测定了甲黄隆单用以及分别与苄嘧磺隆、醚黄隆和吡嘧磺隆混用后对一叶一心期水稻的IC50值和IC10值。

N-methylmaleimide was prepared by using dimethyl sulfate as methylation reagent.The paper investigated the addition of N-methyl-3,4-dibromomaleimide and indolylmagnesium bromide,and then 2-bromo-3-(1H-indolyl-3-yl)-N-methylmaleimide and 3,4-bis(1H-indolyl-3-yl-)-N-methyl-maleimide were obtained.

对吲哚在溴乙烷和镁作用下生成吲哚溴化镁，而后与3，4－二溴－N－甲基马来酰亚胺的加成反应进行了研究，合成了2－溴－3－(1H－吲哚－3)－N－甲基马来酰亚胺，并对反应条件进行了改进，研究了反应温度和原料配比对反应的影响。

In these components, 2-methyl-1-propanol, ethyl acetate, 3-methyl-1- propanol, 2,3-butanediol, phenylethyl alcohol, butanedioic acid diethyl ester, ethyl hydrogen succinate, 2-hydroxy-ethyl propanoic acid and 4-hydroxy-benzeneethanol were main aroma components, these volatile componds provided the typical sensory style of wine.

其中，2-甲基-1-丙醇、乙酸乙酯、3-甲基-1-丙醇、2，3-丁二醇、2-羟基丙酸乙酯、苯乙醇、丁二酸二乙酯、乙基-氢化琥珀酸和4-羟基苯甲醇等成分构成了葡萄酒的主体香气，这些主体香气与其他风味成分一起构成葡萄酒的典型风味特征。

The degradation of methyl orange in a photocatalysis reactor using TiO2-photocatalyst is studied in terms of methyl orange concentration.

确定影响甲基橙光催化氧化的主要影响因素为TiO2光催化剂投加量、氧化剂投加量。

The dehydrogenation of vapor phase methyl isobutyl carbinol to produce methyl isobutyl ketone over a CuO-ZnO-Al2O3 catalyst prepared by co-precipitation method under the atmospheric pressure was studied.

采用共沉淀法制备的铜系CuO/ZnO/Al_2O_3脱氢催化剂，在常压下进行了甲基异丁基甲醇的气相脱氢制备甲基异丁基酮的反应实验。

Acetone is also an important basic organic material, being used in the manufacture of methyl methacrylate, bisphenol A, methyl isobutyl ketone, and also in the production of cellulose acetate tablets, solvents for pla,stics and paints, and the solvent dewaxing for petroleum refining. In 2006, the production ability for phenol was 610,000 tons per year in China, the output was 520,000 tons, and the appearance consumption was 752,000 tons.

丙酮也是重要的基本有机原料，它用于制造甲基丙烯酸甲酯、双酚A、甲基异丁基酮等，用于生产醋酸纤维素片、塑料和涂料的溶剂以及石油炼制的脱蜡溶剂。2006年，我国苯酚生产能力61万吨/年，产量52万吨，表观消费量75.2万吨。

Ethane＞ toluene＞1, 3, 5-trimethylbenzene＞methyl isobutyl ketone＞1, 4-Dioxane＞isoprene＞ 1, 2, 4-trimethylbenzene＞cyclohexane＞1, 3-Butadiene＞methyl butyl ketone were the most reactive VOC species in PRD.

化学活性排名前十位的化合物为：乙烯＞甲苯＞1，3，5-三甲苯＞甲基异丁基酮＞1，4-环氧乙烷＞异戊二烯＞1，2，4-三甲苯＞环己烷＞1，3-丁二烯＞甲基丁基酮。

Alcohols, ketones, esters, alcohols, ethers common media are methanol, ethanol, ethylene glycol, propanol, etc., ketones medium with acetone, methyl ethyl ketone, etc., there are a variety of methyl esters of medium, ethyl ester, ether medium with ether, ethyl ether, butyl ether, etc., they basically did not corrosive materials can be used for the specific use of the property should also be under the media and related requirements to make reasonable choices.

醇类、酮类、酯类、醚类常见的醇类介质有甲醇、乙醇、乙二醇、丙醇等，酮类介质有丙酮、丁酮等，酯类介质有各种甲酯、乙酯等，醚类介质有甲醚、乙醚、丁醚等，它们基本没有腐蚀性，常用材料均可适用，具体选用时还应根据介质的属性和相关要求做出合理选择。

Objective To confirm that volatile organic compounds monitor is much better than methyl bromide lamp in detecting residue concentration from methyl bromide.

摘要目的挥发性有机化合物检测仪定量检测溴甲烷余留残毒浓度的科学方法应用到船舶熏蒸处理的卫生安全工作的重要性和紧迫性。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。