查询词典 inorganic chemical

With the rapid development of chemical industry, it has been used in many areas, such as in manufacturing phenolic resin, diacetic acid, diethylamine, chemical herbicides, synthetic dye, medicine, wood preservatives and dynamite, etc.

它的用途非常广泛，利用苯酚可以制造酚醛树脂、乙二酸、己二胺、化学除草剂、合成染料、药物、炸药、木材(来源：f9f9ABC论文网www.abclunwen.com)防腐剂等。

The use of carbon monoxide from coal or natural gas to produce dialkyl oxalate is an important research area in C1 chemical technology. The chemical reactions and performance in the coupling reaction system for synthesis of diethyl oxalate from carbon monoxide and ethyl nitrite were tested in the presence of hydrogen under the typical coupling reaction conditions.

摘 要：实验研究了在氢气存在下，一氧化碳与亚硝酸乙酯偶联合成草酸二乙酯反应体系在典型操作条件下的化学反应和反应性能，结果表明氢气只与反应体系中的亚硝酸乙酯反应生成乙醇。

A REE partition simulation suggests that the Tianzhushan intermediate rocks can be generated by partial melting, in coupling with fractional crystallization, of dioritic gneiss which is similar in chemical compositions to the mafic rocks in the lower crust in North Dabie; partial melting of intermediate grey gneiss which is similar in chemical compositions to the middle crust in North Dabie can generate the Tianzhushan felsic rocks.

REE配分的定量模拟计算结果表明，与基性下地壳相似的北大别基性闪长质片麻岩部分熔融并经过结晶分异能够形成与天柱山中性岩类似的稀土元素组成，而与中性地壳相似的北大别中性灰色片麻岩部分熔融能够形成与天柱山花岗岩类似的稀土元素组成。

Various physical and chemical reactions of oil and gas were inevitably occurred with the contacting rock on the process of migration. The physical and chemical characters of the petroleum and the reservoir were induced to change disciplinarily. So the rules were used to research the direction and the route of petroleum migration.

油气在地下运移过程中，将不可避免的与围岩发生各种物理化学反应，导致沿运移的方向上油气物理化学性质和储层某些性质规律性的变化，因此研究中可以利用这些变化对油气运移方向与路径进行分析。

The chemical stability of red beds is not good for the dissolvable chemical composition of red beds and evaporite.

蒸发岩和红层岩土体中可溶成份在水作用下，容易发生岩溶、腐蚀、渗流等物理化学问题。

Our company is mainly engaged in chemical raw materials trading, the company mainly engaged in: toluene, xylene, mesitylene, durene, 6 # 120 # 200 # solvent, ethyl acetate, butyl acetate, acetone, butanone, cyclohexanone, isophorone, MIBK, isopropyl alcohol, isobutyl alcohol, butanol, mixed alcohols, methanol, ethanol, ethylene glycol, diethylene glycol, diacetone alcohol, Anti-White Water, CAC, n-hexane, dichloromethane, trichloro-B, DMF, 5 # 10 # 15 # white mineral oil, lubricating oil, sewing machine oil, as well as high-pressure polyethylene, linear polyethylene, low-pressure polyethylene, polypropylene, rubber and other chemical raw materials.

我公司主要从事化工原料贸易，公司主要经营：甲苯、二甲苯、三甲苯、四甲苯、6# 120# 200#溶剂、醋酸乙酯、醋酸丁酯、丙酮、丁酮、环已酮、异佛尔酮、MIBK、异丙醇、异丁醇、正丁醇、混丙醇、甲醇、乙醇、乙二醇、二甘醇、二丙酮醇、防白水、CAC、正已烷、二氯甲烷、三氯乙、DMF、5# 10# 15#白矿油、润滑油、针车油以及高压聚乙烯、线性聚乙烯、低压聚乙烯、聚丙烯、橡胶等各种化工原料。

Potential of market of equipment of coal chemical industry is tremendousIn recent years, international crude price is elevatory make petrochemicals cost rapid promotion, this left a larger development space to coal chemical industry.

煤化工设备市场潜力巨大近年来，国际原油价格升高使得石油化工产品成本迅速提升，这给煤化工留下了一个较大的发展空间。

The use of chemical reagents on the grass to deal effectively break their dormancy, in order to clear the wild Pennisetum Eragrostis seeds and seed germination characteristics, determined to promote both the growth of grass seed germination and effective way to wild Pennisetum and Eragrostis large seed production and provide a basis to promote the use of this test, mainly through chemical reagents soaking, combined with a certain degree of mechanical processing, so as to achieve to break the dormancy of seed dormancy and promote germination and growth of its purpose.

利用化学试剂对草种进行处理能有效打破其休眠，为了明确野生狼尾草种子和大画眉草种子的发芽特性，确定促进这两种草种萌发和生长的有效方法，为野生狼尾草和大画眉草的种子生产和推广利用提供依据，本试验主要通过化学试剂浸种，并结合一定的机械处理，从而达到打破休眠种子休眠、促进其萌发和生长的目的。

The results show that, by the way of optimizing preparation condition, the spherical zirconia powders with suitable particle size distribution are prepared using chemical precipitation method. Using heterogeneous chemical precipitation coating technique, the sph, erical nickel coated zirconia powders are prepared and the heterogeneous nucleation can be done on the surface of spherical zirconia powders. The thickness of coated layer, homogeneous degree and crack of surface can be controlled by the way of controlling powder concentration, adding rate of reactants feeding and adding surface active agent.

研究表明，采用化学沉淀法，通过优化制备工艺条件，可以制备粒径分布较均匀的球形氧化锆粉体；利用非均相化学沉淀包裹技术制备的金属镍包裹氧化锆微球粉体，球形氧化锆颗粒表面作为异相成核的场所，通过控制颗粒浓度、加料速度以及添加表面活性剂等工艺条件，可以调控包裹层厚度、表面均匀度以及表面裂纹等。

The result of experiment on different chemical control shows the best chemicals for cootrol Eriosoma lanigerum in the part trees above ground is 40%omethoate adding 1‰ washing powder (the ratio is 1:800). Applying 0.25 kg fortified benzene to the root of each tree can kill Eriosoma lanigerum in the root. In the past three years, chemical control as first, complementary with the measures of integrated control and quarantine techniques, the percentage of suffered trees in Malus pumila garden of 40.8 hm2 in Yimen County has decreased from 48.5%to 2.65%.

不同药剂的防治试验结果表明：40％的氧化乐果1：800倍液加1％o的洗衣粉是防治苹果地上部分棉蚜的较佳药液；另每株根施0.25kg高丙体内吸粉剂对根部的苹果棉蚜具有较好的杀灭作用。3年来，以化学防治为主，辅以配套的综合防治及检疫技术措施，使易门40.8hm2苹果园的植株受害率由48.5％降至2.65％，取得了较好防治效果。

More direct, directer ; most direct, directest

径直的，笔直的

Do you know how to use a chain saw?

你知道如何使用链锯吗？