Semimetallic chemical element, chemical symbol B, atomic number 5.
半金属的
元素，符号B，原子序数5。
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治疗肉体上精神上疾病的
。用复数形式，多指毒。物的总称，也指一切有利于健康的东西。物，从最简单的阿斯匹林到最复杂的物。治疗方法。良。
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的;工业成分；组成工程反应工产；产肥料分析纤维工厂结构过程；工工艺法修饰；改质稳定性公司
沉积；汽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
物质中得来的。
Chemicals are used to keep the insects down.
用于阻止昆虫滋生。
Have you studied the composition of the chemicals?
你研究过这种的成分了吗?
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。
Choice having introduced the hammerhead and cleading chemical composition.
介绍了锤头和衬板成分的选择。
What are the chemical reaction characteristics of tropane alkaloids?
氢溴酸东莨菪碱的鉴别原理是什么？
The chemical fertilizer should be well dug in.
肥料应该均匀地混入土壤中。
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。
We put chemicals in test tubes in our chemistry class.
我们上课时把放进试管里。
The heat brings about a chemical reaction, and oxygen is liberated.
热量引起反应, 释放出氧。
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 fission of the cell could be inhibited with certain chemicals.
细胞的裂变可以通过某些加以抑制。
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。
Certain chemicals are easily absorbed into the bloodstream, while others are not.
某些很容易溶于血液, 有些则不行。
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。
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