化学的例句大全

The Bhopal gas tragedy in 1984 can rightly be called the Hiroshima of the chemical industry.

1984年发生的博帕尔毒气事件被称做化学工业的广岛.

Have working experiences in the testing of ROHS or XRF are preferred.

有电子或化学实验室设备测试或培训经验者优先.

The paper introduced a of new process of the linen rove chemical treatment.

介绍了亚麻粗纱化学处理上的一种新工艺.

OBJECTIVE : To understand the chemical constituents of volatile oil from the fruit of blackberry Rubus sp.

目的: 研究黑莓果实挥发油的化学成分.

Object To investigate the chemical constituents the methanol extract of the root of Rubus irenaeus Focke.

目的研究灰毛泡根部甲醇提取物的化学成分.

AIM To investigate the chemical constituents of Rubus chroosepalus Focke.

目的研究毛萼梅根部的化学成分.

I have only a rudimentary grasp of chemistry.

我只掌握了化学的初步知识.

Methods: Technology of chemistry, physical parameter, TLC, UV spectrophotometry were applied to determine its qualitative analysis.

方法: 采用化学检识 、 薄层层析法(TLC) 、 紫外光谱法对唇香草中挥发油成分进行定性分析.

Qualitative analysis determines the chemical constituents of a substance or mixture.

定性分析确定物质或混合物的化学成分.

Quantitative analysis determines the amounts and proportions of the chemical constituents of a substance or mixture.

数量分析确定了物质或混合物的化学成分的数量和比例.

There are two possible contaminants: pathogenic micro-organisms and hazardous chemicals.

有两种可能的污染源: 致病的微生物,有毒的化学制品.

The testing and scrutiny done to the other chemical are no comparison with that to B. P. A.

对其他化学物质所作之审查和测验和对B. P. A. 所作之是没法比之.

Conclusion There are two factors about importing RBD palm oil, heavy metal pollution and chemical hazards.

结论进口棕榈液油危害物检验重点在一定时期内应放在重金属和化学毒物两个方面.

The chemicals formaldehyde, toluene and dibutyl phthalate are used in most nail polishes.

大多数指甲油当中都含有化学物质甲醛 、 甲苯、和邻苯二甲酸二丁酯.

Objective To identify the volatile oil components separated from similar wild panax ginseng C.

目的研究林下参挥发油的化学成分.

Wed-end chemicals can help improve papermaking process and paper sheet quality.

在抄纸生产中使用湿部化学品可以改善生产过程以及产品质量.

...a new proposal intended to pave the way for the signing of a chemical weapons reduction agreement...

旨在为签订削减化学武器协议铺平道路的一项新提议

The peculiarities of shock wave induced chemical reactions were discussed.

文中简单介绍了冲击波引起的化学反应的某些特点.

At present, Comet Chemicals'main products are black toner for HP and Samsung laser printers.

目前科密化学主打的优势产品为惠普、三星全系列黑色激光打印机墨粉.

Exploration geochemistry is faced with the problem of development in the 21 st Century.

摘要21世纪勘查地球化学面临发展问题.