Semimetallic chemical element, chemical symbol B, atomic number 5.
半金属的
学元素，学符号B，原子序数5。
学制
，学药学的
任何用于预防
治疗肉体上精神上疾病的药
。用复数形式，多
。药物的总称，也一切有利于健康的东西。医生开给病人用的一切药物，从最简单的阿斯匹林到最复杂的药物。对恢复健康有效的药治疗方法。良药。工业
学中的药，有时也医药中的药。学的;学;的;学的;学工业学成分；学组成学工程学反应工
；学学肥料学分析学纤维学工厂学结构学过程；工工艺学法学修饰；学改质学稳定性学公司学气相沉积；学汽相淀积学性质工材料学清洗，学脱垢学合成Semimetallic chemical element, chemical symbol B, atomic number 5.
半金属的学元素，学符号B，原子序数5。
These chemicals are practically insoluble in water.
这些学物质几乎不溶于水。
Dyes come from plants or from chemicals.
染料是从植物
学物质中得来的。
Chemicals are used to keep the insects down.
学药用于阻止昆虫滋生。
Have you studied the composition of the chemicals?
你研究过这种药的成分了吗?
As chemical reagent and corrodent of integrated plate.
作学试剂和集成电路电镀板的消蚀剂。
The same water was reused after chemical treatment.
原来的水经过学处理之后再度使用。
Choice having introduced the hammerhead and cleading chemical composition.
介绍了锤头和衬板学成分的选择。
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.
学肥料应该均匀地混入土壤中。
Chemical modification including oxygenation, esterify, graft copolymerization and so on.
学改性主要有氧、交联、酯和接枝共聚。
The chemical must be salted out and allowed to dry.
必须把这种学物质加盐分离出来并让它变干。
We put chemicals in test tubes in our chemistry class.
我们上学课时把学药放进试管里。
The heat brings about a chemical reaction, and oxygen is liberated.
热量引起学反应, 释放出氧气。
A catalyst is a substance which speeds up a chemical reaction.
催剂是一种能加速学反应的物质。
Chemicals in the body break our food down into useful substances.
人体中的学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学药加以抑制。
The soil has been poisoned with chemical waste from the factory.
土壤被从工厂排出的学废料污染了。
Certain chemicals are easily absorbed into the bloodstream, while others are not.
某些学药很容易溶于血液, 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
标,直接经济效益显著。
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