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.
我们上课时把药试管里。
Semimetallic chemical element, chemical symbol B, atomic number 5.
半金属的元素，符号B，原子序数5。
As a new subject,sonochemistry had been applied in many chemistry and chemical industry fields.
声作为一门新的科,已经广泛应用于及工领域。
He is hot in mathematics and chemistry.
他数和极好。
I have only a rudimentary knowledge of chemistry.
我只有些粗浅的知识。
Chemicals are used to keep the insects down.
药用于阻止昆虫滋生。
Objective To confirm the serum pharmacochemistry of Xingnao Gutta Pills.
目的确定醒脑滴丸血清药物。
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极上的电行为。
Be absorbed in the chymic oak and plastic industry.
专注于塑工业产研发生产!
An acid can react with a base to form a salt.
酸和碱起反应成盐。
Chemically treated hair can become dry and brittle.
经过处理的头发会变得焦脆。
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.
无机的基础很重要。
The chemistry book had asummary at the end of each chapter.
那本书于每章末均附有一概要。
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、射性同位素地球和稳定同位素地球。
The same water was reused after chemical treatment.
原来的水经过处理之后再度使用。
The chemical fertilizer should be well dug in.
肥料应该均匀地混入土壤中。
The course will encompass physics, chemistry and biology.
课程将包括物理、和生物。
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。
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Isn't the chemistry homework due next Wednesday?
作业不是下周三交吗?
Look, she is in your chemistry class, isn't she? You are good at chemistry.
听着，她在课上，不是吗？擅长。
Is just a chemical reaction that compels animals to breed.
不过是让动繁衍后代反应罢了。
Asthma attacks can be triggered by pollen, dust, harsh chemicals or scents.
花粉、灰尘、刺激性质或气味可引发哮喘。
It also generates reactive chemicals that attack the microbes from within.
它还能产生活性质，这种质能从内部攻击微生。
The organisms also produce a chemical. This chemical lets them enter a person's body.
这种生还会产生一种质。该质会让它们进入人体。
Some of the early names referred to their chemical properties.
早期一些名字提到了它们特性。
But how do you make chemicals, Linda? Where do they come from?
可是品怎么制造呢，琳妲？品是从哪里来呢？
We've our grandfathers, we use pesticides and other chemicals.
我们祖祖辈辈使用杀虫剂和其他品。
They analyzed bacteria, fungi, parasites and chemicals.
他们分析了细菌、真菌、寄生虫和质。
I chose chemistry as my major in my college.
那时我选择作为大专业。
Cigarette smoke contains 69 chemicals that are known to cause cancer.
香烟含有69种致癌质。
It's actually to start a chemical reaction.
而是为了引发反应。
Cement is really the chemistry behind concrete.
水泥是混凝土背后。
It is a chemistry teacher in high school.
她是高中一名老师。
It is the number one country in chemistry.
德国在界首屈一指。
Now, how did you discover these chemicals?
们是怎样发现品？
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品储存危险性，这些品最终被引燃。
When I left college, I worked in developing chemical dyes.
大毕业后，我从事染料开发工作。
The chemical composition is actually potassium nitrate.
成分实际上是硝酸钾。
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动力远不及热力那么完美。
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品怎么制造呢，琳妲？
