Reaction kinetics is far less perfect than thermochemistry theory.Why?
化学动力学远不及化学热力学那么完美。
We put chemicals in test tubes in our chemistry class.
我们上化学课时把化学药品放进试管里。
Semimetallic chemical element, chemical symbol B, atomic number 5.
半金属化学元素，化学符号B，原子序数5。
As a new subject,sonochemistry had been applied in many chemistry and chemical industry fields.
声化学作为一门新学科,已经广泛应用于化学及化工领域。
He is hot in mathematics and chemistry.
他数学和化学极好。
Chemicals are used to keep the insects down.
化学药品用于虫生。
Objective To confirm the serum pharmacochemistry of Xingnao Gutta Pills.
定醒脑滴丸血清药物化学。
I have only a rudimentary knowledge of chemistry.
我只有些粗浅化学知识。
This paper studied electrochemical behaviour of Hexestrol at a glassy carbon electrode.
本文采用了现代电化学分析方法系统研究了己烷雌酚在玻碳电极上电化学行为。
Chemically treated hair can become dry and brittle.
经过化学处理头发会变得焦脆。
These chemicals are practically insoluble in water.
这些化学物质几乎不溶于水。
The fundamentals of inorganic chemistry are very important.
无机化学基础很重要。
The chemistry book had asummary at the end of each chapter.
那本化学书于每章末均附有一概要。
Be absorbed in the chymic oak and plastic industry.
专注于化学橡塑工业产品研发生产!
An acid can react with a base to form a salt.
酸和碱起化学反应成盐。
There are 37 lectures, major headings are geochronology, radiogenic isotope geochemistry and stable isotope geochemistry.
这里有37讲，主要是地质年代学、放射性同位素地球化学和稳定同位素地球化学。
The course will encompass physics, chemistry and biology.
课程将包括物理、化学和生物学。
The chemical fertilizer should be well dug in.
化学肥料应该均匀地混入土壤中。
The same water was reused after chemical treatment.
原来水经过化学处理之后再度使用。
The heat brings about a chemical reaction, and oxygen is liberated.
热量引起化学反应, 释放出氧气。
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Isn't the chemistry homework due next Wednesday?
作业不是下周三交吗?
Is just a chemical reaction that compels animals to breed.
不过是让动繁衍后代的反应罢了。
Look, she is in your chemistry class, isn't she? You are good at chemistry.
听着，她在你的上，不是吗？你擅长。
It also generates reactive chemicals that attack the microbes from within.
它还能产生活性，这种能从内部攻击微生。
The organisms also produce a chemical. This chemical lets them enter a person's body.
这种生还会产生一种。该会让它们进入人体。
So that trail is literally the chemicals… - The chemicals coming out.
所以这个痕迹就是… … - 来了。
They analyzed bacteria, fungi, parasites and chemicals.
他们分析了细菌、真菌、寄生虫和。
Some of the early names referred to their chemical properties.
早期的一些名字提到了它们的特性。
But how do you make chemicals, Linda? Where do they come from?
可是药品怎么制造呢，琳妲？药品是从哪里来的呢？
I chose chemistry as my major in my college.
那时我选择作为大的专业。
Cigarette smoke contains 69 chemicals that are known to cause cancer.
香烟含有69种致癌。
It's actually to start a chemical reaction.
而是为了引发反应。
Cement is really the chemistry behind concrete.
水泥是混凝土背后的。
It's basically got a chemical raising agent in there.
里面有一种膨松剂。
It is the number one country in chemistry.
德国在界首屈一指。
Now, how did you discover these chemicals?
你们是怎样发现品？
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的危险性，这些品最终被引燃。
When I left college, I worked in developing chemical dyes.
大毕业后，我从事染料的开发工作。
The chemical composition is actually potassium nitrate.
成分实际上是硝酸钾。
This is the chemical formula for what alkaloid?
这是什么生碱的式？
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划词翻译
详细解释
虫
生。
定醒脑滴丸血清药物
繁衍后代的
上，不是吗？你擅长
60秒 听力 2013年7月合集
，这种
速英语
来了。
：欧洲文明（音频版）
