查询词典 petrochemistry

To establish the fire protection technology of oil tank is very crucial for permanent development of the petrochemistry industry so as to reduce frequency and effect of oil tank fire.

所以建立油槽火灾防护抑制技术，以降低火灾爆炸事故之发生频率与影响程度，对石化产业的永续发展将显得非常重要。

Our products are widely used in fields like metallurgy, energy, petrochemistry, building materials, textile industry, farming, environmental protection and civil comstruction, etc.

产品广泛适用于冶金、能源、石化、建材、轻纺、农牧和环保等国民经济各部门及民用建筑等领域。

With the rapid development of electricity, spaceflight, petrochemistry and mechanical manufacture, kinds of rotary machines develop towards the direction of high speed and efficiency. So the rotary speed and stability of rotor-bearing are required more highly.

随着电力、航空航天、石油化工及机械制造业的飞速发展，各种旋转机械向高速、大功率方向发展，因此对转子—轴承系统的动力学特性提出了更高的要求。

Application of biodesulfurization and biodenitrogenization in petrochemistry were reviewed.The prospects and trends of upgrading fossil fuels by microorganisms were outlined.

主要介绍了近年来微生物在石油化工中生化脱硫和生化脱氮的应用，并阐述了微生物在改良化石燃料的应用前景及研究方向。

On the basis of investigating and monitoring present pollution level of SO 2 in Tianjin petrochemistry industrial development and planning zone,the total control quantity of SO 2 from the zone was worked out.

本文在全面调查和监测天津市大港石化发展规划区大气SO2现状污染水平的基础上，分析和计算出该区域SO2排放控制总量。

Its products are extensively applied in many pillar applications: metallurgy, petrochemistry, power generation, railway, shipping, aerospace, mining, heavy machine and etc.

公司的产品广泛应用于冶金、石油化工、发电、铁路、船舶、航空航天、采矿、重型机械等领域。

This paper deals mainly with the characteristics of the petrology, mineralogy, petrochemistry and geochemistry for the basic volcanics. The above result has indicated that these volcanic rocks are mainly a suite of eruptive pillow basic lava from the sea-floor, which have the characteristics of the continental and oceanic tholeiites and belong to the evolutionary products of the Liaohe rift from continental crust to oceanic crust.

重点討论了基性火山岩的岩石学、矿物学、岩石化学和地球化学特徵，结果表明，这些基性火山岩主要为一套海底喷发的基性枕状熔岩，具有大陆拉斑玄武岩和大洋拉斑玄武岩的双重特徵，是辽河裂穀由大陆壳向大洋壳演化过程中的產物。

Petrochemistry, trace element, REE and isotope geochemistry of quartz syenite porphyry, quartz diorite porphyry, rhyolite, and biotite granite indicate that they belong to series Ⅱ granite defined by Wangliankui (l972), but they have some characteristics of series Igranite, which shows adding of recycle upper-crust materials.

岩浆岩岩石化学、微量元素、稀土元素及同位素地球化学特征表明，莲花山矿区的石英正长斑岩、石英闪长玢岩、流纹岩和黑云母花岗岩属于王联魁(1972)所划分的系列Ⅱ花岗岩(相当于Ⅰ型磁铁矿系列花岗岩)，但也具有系列Ⅰ花岗岩的某些地球化学特征，表明岩浆中有再循环上地壳物质的加入。

In comparison with the petrography and petrochemistry of hydrothermal sedimentary albitite in the Devonian of the Qinling, combined with the fact that its Lower Paleozoic belongs to a passive continental-margin rift environment on the northern margin of the Yangtze plate,the authors think that the Lower Paleozoic albitite in question is probably of hydrothermal sedimentary origin.

通过与秦岭泥盆纪热水沉积钠长石岩的岩相学及岩石化学对比，结合本区下古生界属于扬子北缘被动陆缘裂谷环境，初步认为这里下古生界钠长石岩可能属于热水沉积成因。

In recent years, as the Maleic anhydride is being produced in larger scale a number the investigation have been reported on the hydrogenation of the MA to SA,γ-butyrolactone , succinic anhydride , tetrahydrofuran and 1, 4-butanediol which are important chemicals in medicine, pesticide and petrochemistry.

近些年来，由于顺丁烯二酸酐生产规模的大型化，以廉价的顺丁烯二酸酐为原料合成高附加值化学品的研究倍受青睐。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。