Semimetallic chemical element, chemical symbol B, atomic number 5.
半金属的
元素，符号B，原子序数5。
制品，药品的
或精神
的药品。用复数形式，多指毒品。人用的一切药物，从最简单的阿斯匹林到最复杂的药物。
药。
中的药品，有时也指医药中的药品。的;;的;工业成分；组成工程反应工产品；产品肥料分析
维工厂结构过程；工工艺法修饰；改质稳定性公司气相沉积；汽相淀积性质工材料清洗，脱垢合成Semimetallic chemical element, chemical symbol B, atomic number 5.
半金属的元素，符号B，原子序数5。
These chemicals are practically insoluble in water.
这些物质几乎不溶于水。
Dyes come from plants or from chemicals.
染料是从植物或物质中得来的。
As chemical reagent and corrodent of integrated plate.
作试剂和集成电路电镀板的消蚀剂。
The same water was reused after chemical treatment.
原来的水经过处理之后再度使用。
Chemicals are used to keep the insects down.
药品用于阻止昆虫滋生。
Have you studied the composition of the chemicals?
你研究过这种药品的成分了吗?
What are the chemical reaction characteristics of tropane alkaloids?
氢溴酸东莨菪碱的鉴别原理是什么？
Choice having introduced the hammerhead and cleading chemical composition.
介绍了锤头和衬板成分的选择。
The chemical fertilizer should be well dug in.
肥料应该均匀地混入土壤中。
We put chemicals in test tubes in our chemistry class.
我们
课时把药品放进试管里。
Chemical modification including oxygenation, esterify, graft copolymerization and so on.
改性主要有氧、交联、酯和接枝共聚。
The chemical must be salted out and allowed to dry.
必须把这种物质加盐分离出来并让它变干。
The heat brings about a chemical reaction, and oxygen is liberated.
热量引起反应, 释放出氧气。
The fission of the cell could be inhibited with certain chemicals.
细胞的裂变可以通过某些药品加以抑制。
A catalyst is a substance which speeds up a chemical reaction.
催剂是一种能加速反应的物质。
Chemicals in the body break our food down into useful substances.
人体中的元素把食物分解成有用的物质。
The soil has been poisoned with chemical waste from the factory.
土壤被从工厂排出的废料污染了。
The field trials indicate that the demulsifier chemical can effectively demulsify c...
应用除油剂除油后的污水达到回注指标,直接经济效益显著。
The wrong chemical balance can cause severe distortion of the photographic image.
药水不合比例可引致摄影图像的严重失真。
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