Reaction kinetics is far less perfect than thermochemistry theory.Why?
动力远不及热力那么完美。
We put chemicals in test tubes in our chemistry class.
我们课时把药品放进试管里。
Semimetallic chemical element, chemical symbol B, atomic number 5.
半金属元素，符号B，原子序数5。
As a new subject,sonochemistry had been applied in many chemistry and chemical industry fields.
声作为一门新科,已经广泛应用于及工领域。
He is hot in mathematics and chemistry.
他数和好。
Chemicals are used to keep the insects down.
药品用于阻止昆虫生。
Objective To confirm the serum pharmacochemistry of Xingnao Gutta Pills.
目确定醒脑滴丸血清药物。
I have only a rudimentary knowledge of chemistry.
我只有些粗浅知识。
This paper studied electrochemical behaviour of Hexestrol at a glassy carbon electrode.
本文采用了现代电分析方法系统研究了己烷雌酚在玻碳电电行为。
Chemically treated hair can become dry and brittle.
经过处理头发会变得焦脆。
These chemicals are practically insoluble in water.
这些物质几乎不溶于水。
The fundamentals of inorganic chemistry are very important.
无机基础很重要。
The chemistry book had asummary at the end of each chapter.
那本书于每章末均附有一概要。
Be absorbed in the chymic oak and plastic industry.
专注于橡塑工业产品研发生产!
An acid can react with a base to form a salt.
酸和碱起反应成盐。
There are 37 lectures, major headings are geochronology, radiogenic isotope geochemistry and stable isotope geochemistry.
这里有37讲，主要是地质年代、放射性同位素地球和稳定同位素地球。
The course will encompass physics, chemistry and biology.
课程将包括物理、和生物。
The chemical fertilizer should be well dug in.
肥料应该均匀地混入土壤中。
The same water was reused after chemical treatment.
原来水经过处理之后再度使用。
The heat brings about a chemical reaction, and oxygen is liberated.
热量引起反应, 释放出氧气。
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Isn't the chemistry homework due next Wednesday?
化学作业是下周三交吗?
Is just a chemical reaction that compels animals to breed.
过是让动物繁衍后代化学反应罢了。
Look, she is in your chemistry class, isn't she? You are good at chemistry.
听着，她在你化学课上，是吗？你擅长化学。
It also generates reactive chemicals that attack the microbes from within.
它还能产生活性化学物质，这种化学物质能从内部攻击微生物。
The organisms also produce a chemical. This chemical lets them enter a person's body.
这种生物还会产生一种化学物质。该化学物质会让它们进入人体。
So that trail is literally the chemicals… - The chemicals coming out.
所以这个痕迹就是化学物质… … - 化学物质出来了。
They analyzed bacteria, fungi, parasites and chemicals.
他们分析了细菌、真菌、寄生虫和化学物质。
Some of the early names referred to their chemical properties.
一些名字提到了它们化学特性。
But how do you make chemicals, Linda? Where do they come from?
可是化学药品怎么制造呢，琳妲？化学药品是从哪里来呢？
I chose chemistry as my major in my college.
那时我选择化学作为大学专业。
Cigarette smoke contains 69 chemicals that are known to cause cancer.
香烟含有69种致癌化学物质。
It's actually to start a chemical reaction.
而是为了引发化学反应。
Cement is really the chemistry behind concrete.
水泥是混凝土背后化学。
It's basically got a chemical raising agent in there.
里面有一种化学膨松剂。
It is the number one country in chemistry.
德国在化学界首屈一指。
Now, how did you discover these chemicals?
你们是怎样发现化学品？
Officials apparently knew for years of a dangerous stockpile of chemicals, which finally blew up.
显然，官员在数年前就知道化学品储存危险性，这些化学品最终被引燃。
When I left college, I worked in developing chemical dyes.
大学毕业后，我从事化学染料开发工作。
The chemical composition is actually potassium nitrate.
化学成分实际上是硝酸钾。
This is the chemical formula for what alkaloid?
这是什么生物碱化学式？
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划词翻译
详细解释
动力远不及热力那么完美。
语） 
速英语 
好。
生。
是下周三交吗?
