您要查找的是不是:
- coal tar colour 煤焦油颜料
- They will report on the experiments with coal tar. 他们将汇报煤焦油的试验情况。
- Obtained by distilling coal tar. 蒸馏焦油获得的轻油和脱酚后的酚油混合而成。
- Indole consists in washing oil of coal tar. 煤焦油洗油(以下简称洗油)中含有吲哚。
- Coal tar has a strong smell and can stain clothing. 煤焦油有很强烈的气味,并且会染污衣服。
- Our company ranks first in the output of coal tar. 我公司的煤黑油产量居全省之首。
- Ammonia, coal tar and coke are all by-products obtained in the manufacture of coal gas. 氨气、煤焦油、焦煤都是煤气生产过程中的副产品。
- The chemist reported on his experiments with coal tar. 化学家提出他实验沥青的报告。
- Coal tar epoxy. Part A and Part B mixed prior to application. 环氧煤焦油沥青漆。使用前请将A、B组分搅拌均匀。
- Coal tar , acetic acid,dodecylbenzene Sulfonic Acid. 本品为深褐色液体;有醋酸及煤焦油的特臭。
- Aniline : A coal tar derivative used in penetrating tints. 苯胺:一种煤焦油的衍生物;用于渗透染料.
- The results concluded that coal tar colors were not detected in fifty samples. 本调查系本局之比较检验,曾于八十七年三月三日发布新闻在案。
- Besides,the development mode of coal tar enterprises was also discussed. 此外还讨论了煤焦油加工企业的发展模式。
- Factors influencing the properties of the coal tar enamels were discussed. 讨论了影响煤焦油磁漆性能的因素。
- From something as vile as coal tar came a remarkably versatile substance. 从某种像煤渣那样污秽的东西中炼出了一种用途十分广泛的东西。
- Any of several highly volatile, flammable liquid mixtures of hydrocarbons distilled from petroleum, coal tar, and natural gas and used as fuel, as solvents, and in making various chemicals. 石脑油一种高度挥发性的易燃液态碳氢化合物混合物,从石油、煤焦油和天然气中提炼出来,并用作石油、溶剂和制造各种化合物中
- A hydrocarbon, C6H3(CH3)3, occurring in petroleum and coal tar or synthesized from acetone and used as a solvent. 三甲苯一种碳氢化合物,化学式为C6H3(CH3)3,能从石油和煤焦油中提取或用丙酮合成,被用作一种溶剂
- The liquor is separated from the gas in a central tank, together with any condensed coal tar. 在中心储罐中将淋洗液与气体和被浓缩的煤焦油进行分离。
- And the coal tar, combined with other substances, has given us more than 200 000 products. 而煤焦油与其他物质化合起来,已为我们提供了二十多万种产品。
- A crystalline hydrocarbon, C14H10, extracted from coal tar and used in the manufacture of dyes and organic chemicals. 蒽一种晶体碳水化合物,C14H10,从焦煤中提取,用于制造染料和有机化学物品