查询词典 aromatic

The results showed that the optimum conditions for pretreatment of coking wastewater were 6 g activated carbon per liter, 30 ℃, pH=9 and reaction for 20 min, under which the removal efficiency of organic pollutants are more than 70%. Among the 56 kinds of organic compounds, 45 kinds such as dolichoalkanes, polynucleation aromatic series, azacyclo compounds could be removed, and the removal ratios of amidobenzene, hydroxybenzene, indoleacetic, acid-2-methyl-phenyl-ester are 63.5%, 42.6%, 88.1%, 28.1% respectively, while cresol and xylenol are more than 70% and 85%.

结果表明，在最佳反应条件即活性炭投加量6 g·L-1，温度30 ℃，pH＝9，反应时间20 min的情况下处理废水有机物去除率大于70％，原水中检测出的56种有机物中的45种被去除，如长链烷烃、多环芳香族及氮杂环化合物等的浓度降至检测限以下，剩余的11种有机物中苯胺、苯酚、吲哚、乙酸-2-甲基苯酯的去除率分别达到63.5％、42.6％、88.1％、28.1％，甲苯酚和二甲苯酚(5种)去除率在70％和85％以上。

The present business card printing and membership card making business in the widely-used or traditional solvent-based inks, solvent-based inks from paints, solvents, binders, fillers and adjuvant, solvent used mainly aromatic hydrocarbons, esters, ethers, flavoniod etc, these toxic solvent, it finds that, in the packaging of food, medicines, and cosmetics, and so on; and a volatile, with a stronger hen'egg cretonne, will pollute the environment and the health of workers; solventing and imflammable, there is the production of a security risk.

目前制卡和会员卡制作行业中广泛使用的还是传统的溶剂型油墨，溶剂型油墨由颜料、连结料、溶剂、填充剂和辅助剂组成，所用的溶剂主要是芳香烃类、酯类、酮类、醚类等有机溶剂，这些溶剂大都具有毒性，会污染所包装的食品、药物和化妆品等物品；且具有挥发性，有较浓的刺激性气味，会污染环境并影响工人的身体健康；有机溶剂易燃易爆，存在着生产安全隐患。

Aromatic solvent evaporation of volatile is relatively low in calories, fast and dissolubility, while the larger class of toxic solvents; solvents volatile dissolubility good, fast, low cost, but a large cretonne; alcohols in dissolubility, not volatile speed and above two categories, but non-toxic, tasteless, pollution-free.

芳香类溶剂蒸发热量比较低、挥发速度快、溶解性能高，但该类溶剂毒性较大；酯类溶剂溶解性能好、挥发速度快、成本低，但气味比较大；醇类溶剂在溶解性能、挥发速度上都不及以上两类，但是无毒、无味，没有污染。

It is a precursor of many aromatic compounds and of alkaloids such as curare and morphine.

苯丙氨酸是苯化合物以及像箭毒和吗啡等生物碱的前体。

Under the optimized conditions, in-situ-generated N,N -dioxide from the corresponding amide (10 mol%) and m-CPBA (20 mol%) retained the same asymmetric catalytic activity and enantioselectivity, and most of the aromatic,α,β-unsaturated, heterocyclic, aliphatic and steric hindrance ketones could be converted into the corresponding cyanohydrin trimethylsilyl ethers in up to 99% yield and 93% ee.

底物扩展证明，该有机小分子催化体系对芳香酮、杂芳香酮、脂肪酮、位阻酮以及α，β-不饱和酮都具有优良的手性诱导能力，收率高达99％，对映选择性达93％ee。

At high DS of octanolylated KGM, dodecanolylated KGM, PKGM and octadecenoylated KGM the intercrystalline distances are 2.10, 2.45,2.58 and 3.39nm,respectively,and the effect of DS of KGME on its emulsifying ability has been investigated in aromatic hydrocarbon in water and cycloalkane in water emulsions.

本文用化学方法制备的葡甘聚糖酯从结构上看具有表面活性剂的亲水亲油及聚合物两方面的特性，实验证明，在合适的取代度范围，当葡甘聚糖酯浓度在0.1%～0.01%时，其有较强的乳化力。

Gasolinecontained 67.8% aromatic hydrocarbons, 21.47% olefins and a small quantityof alkanes and cycloparaffin hydrocarbons. The enlarging study on blending feed of vegetable oil and petroleumfraction was performed in a Two-Stage Riser.

通过优化各种因素，植物油的转化率达到81.18%，丙烯产率达到19.52%；汽油的产率为30.58%，其中含有67.87%的芳烃、21.47%的烯烃，以及少量的烷烃和环烷烃，其研究法辛烷值为90.3，抗爆指数为83.9。

The hapten can be synthesized with a spacer attached at the aromatic moiety of the pyrethroid, through the middle of the molecule and at the cyclopropane moiety.

半抗原的合成入手点主要为菊酯分子的三碳环、中间和芳环部分，连接一个连接臂作为半抗原。

There is a slight decrease in the cystine content of the dyed wool whereas the basic and aromatic amino acids are not affected.

有一个略有减少胱氨酸内容而羊毛染色的基本和芳香族氨基酸不会受到影响。

Every summer, plenty of slender squash and tender cucumbers hung from the green vines; we never needed to go to the vegetable market. All you had to do was to pick a cucumber here, grab an eggplant there, chop them up, toss them on the fire, and an aromatic "DaRu Needle" would be ready in no time, sure to make your mouth water.

一到夏天，绿藤上便挂满了细长的丝瓜、鲜嫩的黄瓜……我们根本不需要到集市上去买菜，东家摘个黄瓜，西家摘个茄子，在炉火上一加工，香喷喷的打卤面便呈现在眼前，保证你馋得直流口水。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。