应用化学专业英语Unit5-万有志

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应用化学专业英语翻译完整篇

应用化学专业英语翻译完整篇

1 Unit5元素周期表As our picture of the atom becomes more detailed 随着我们对原子的描述越来越详尽,我们发现我们陷入了进退两难之境。

有超过100多中元素要处理,我们怎么能记的住所有的信息?有一种方法就是使用元素周期表。

这个周期表包含元素的所有信息。

它记录了元素中所含的质子数和电子数,它能让我们算出大多数元素的同位素的中子数。

它甚至有各个元素原子的电子怎么排列。

最神奇的是,周期表是在人们不知道原子中存在质子、中子和电子的情况下发明的。

Not long after Dalton presented his model for atom( )在道尔顿提出他的原子模型(原子是是一个不可分割的粒子,其质量决定了它的身份)不久,化学家门开始根据原子的质量将原子列表。

在制定像这些元素表时候,他们观察到在元素中的格局分布。

例如,人们可以清楚的看到在具体间隔的元素有着相似的性质。

在当时知道的大约60种元素中,第二个和第九个表现出相似的性质,第三个和第十个,第四个和第十一个等都具有相似的性质。

In 1869,Dmitri Ivanovich Mendeleev,a Russian chemist, 在1869年,Dmitri Ivanovich Mendeleev ,一个俄罗斯的化学家,发表了他的元素周期表。

Mendeleev通过考虑原子重量和元素的某些特性的周期性准备了他的周期表。

这些元素的排列顺序先是按原子质量的增加,,一些情况中, Mendeleev把稍微重写的元素放在轻的那个前面.他这样做只是为了同一列中的元素能具有相似的性质.例如,他把碲(原子质量为128)防在碘(原子质量为127)前面因为碲性质上和硫磺和硒相似, 而碘和氯和溴相似.Mendeleev left a number of gaps in his table.Instead of Mendeleev在他的周期表中留下了一些空白。

应化专业英语作文

应化专业英语作文

应化专业英语作文{z}Title: English Essay for Chemical Engineering MajorEnglish Essay for Chemical Engineering MajorAs a student majoring in chemical engineering, it is essential to have a strong command of English, as it is the international language of science and technology.In this essay, I will discuss some of the key aspects of the chemical engineering field and how English plays a vital role in this discipline.Firstly, chemical engineering is a branch of engineering that deals with the design, construction, and operation of chemical plants and processes.It involves the manipulation of chemicals and reactions to produce useful products such as fuels, plastics, and pharmaceuticals.To excel in this field, it is crucial to have a solid understanding of chemical terminology and principles, which are predominantly written in English.Secondly, the field of chemical engineering is highly research-oriented.English is the primary language used in scientific research and publications.To stay updated with the latest advancements in the field, chemical engineers need to read and understand English-language research papers, journal articles, and technical books.Moreover, English is the language of choice for presenting research findings at international conferences and seminars, enabling chemical engineers to share their knowledge and expertise on a global platform.Thirdly, the chemical engineering industry is highly globalized.Many chemical plants and companies are located in different parts of the world, and communication in English is essential for successful collaboration and business transactions.English serves as a common language that enables chemical engineers to communicate with colleagues, clients, and suppliers from diverse cultural backgrounds.Furthermore, English is the language of choice for chemical engineering education and training.Many universities and institutions offer English-language programs for chemical engineering students.By studying in these programs, students can develop their language skills and gain a comprehensive understanding of the subject matter.Additionally, English-language technical courses, workshops, and seminars are available online, allowing chemical engineers to continue their professional development and stay abreast of the latest industry trends.In conclusion, English plays a vital role in the field of chemical engineering.It is the language of scientific research, global communication, and educational opportunities.A strong command of English is essential for chemical engineers to excel in their careers, collaborate with international colleagues, and contribute to the advancement of the field.Therefore, as a chemical engineering student, it is imperative to develop excellent English language skills to maximizeopportunities and achieve success in this dynamic and evolving discipline.。

应用化学专业英语第五单元The Periodic Table

应用化学专业英语第五单元The Periodic Table

应用化学专业英语第五单元The PeriodicTable周期表是化学中一个重要的工具,它以一种有序的方式组织了所有已知的化学元素。

它是由俄罗斯化学家德米特里·门捷列夫于1869年发表的。

周期表通过将元素按照原子序数从小到大的顺序排列,并将具有相似化学性质的元素放在同一列中,使得科学家能够更好地理解和研究元素之间的关系和属性。

周期表的组织方式使得人们可以很容易地获取元素的基本信息。

每个元素都有一个原子序数,用来表示元素在周期表中的位置。

原子序数越大,元素的原子量也越大。

原子序数还代表着元素在元素周期表中的电子结构。

元素周期表还给出了每个元素的原子量、原子半径、电负性等重要数据。

这些数据对于理解元素的性质和反应非常重要。

周期表将元素划分为若干个不同的区域。

最常见的是主族元素和过渡元素。

主族元素包括位于周期表的左侧和右侧的元素,它们通常具有相似的化学性质。

过渡元素则是位于周期表中间部分的元素,它们具有不同的化学性质。

周期表还包含了稀土元素和放射性元素等特殊分类。

周期表的排列方式基于元素的原子结构和周期性规律。

元素周期表中水平的行被称为周期,垂直的列称为族。

元素周期表中的元素是按照原子序数递增的顺序排列的,每个周期都包含了一种新的元素。

这种排列方式揭示了许多周期性规律,例如,元素性质的周期性重复以及原子半径和电负性等特性的变化规律。

周期表的发展对于化学研究和工业应用都有着极其重要的意义。

科学家能够通过研究周期表中的元素,预测和设计新的化合物和材料。

周期表的使用还有助于解释许多化学现象和反应的原理。

周期表中的元素被广泛应用于制药、材料科学、环境保护等领域。

总之,周期表是化学中不可或缺的工具。

它通过以系统和有序的方式组织化学元素,帮助科学家更好地理解元素之间的关系和性质。

周期表提供了元素的基本信息和重要数据,为化学研究和应用提供了重要的参考。

周期表的发展对于推动化学领域的进步起到了重要的推动作用。

应用化学专业英语第五单元The Periodic Table

应用化学专业英语第五单元The Periodic Table

Unit 5The Periodic TableAs our picture of the atom becomes more detailed, we find ourselves in a dilemma.当我们对原子了解的越来越详细时,我们发现我们其中处在两难之中己。

With more than 100 elements to deal with, how can we keep all this information straight?由于超过100种元素要处理,我们怎样能理顺所有的信息?One way is by using the periodic table of the elements.一个方法是使用元素周期表。

The periodic table neatly tabulates information about atoms. 周期表整齐地列出了原子信息的表格。

It records how many protons and electrons the atoms of a particular element contain. 它记录了一个具体的元素的原子包含多少质子和电子。

It permits us to calculate the number of neutrons in the most common isotope for most elements. 它允许我们为大多数元素计算最常见的同位素中的中子的数量。

It even stores information about how electrons are arranged in the atoms of each element. 它甚至储存了每个元素的原子周围是如何安排电子的信息。

The most extraordinary thing about the periodic table is that it was largely developed before anyone knew there were protons or neutrons or electrons in atoms. 关于周期表的最杰出的事情是在任何人知道在原子周围有质子、中子或者电子之前被提出来。

应用化学专业英语第二版万有志主编版(课后答案和课文翻译)

应用化学专业英语第二版万有志主编版(课后答案和课文翻译)

Unit 1 The Roots of ChemistryI. Comprehension.1.C2. B3. D4. C5. BII. Make a sentence out of each item by rearranging the words in brackets.1. The purification of an organic compound is usually a matter of considerable difficulty, and it is necessary to employ various methods for this purpose.2. Science is an ever-increasing body of accumulated and systematized knowledge and is also an activity by which knowledge is generated.3. Life, after all, is only chemistry, in fact, a small example of chemistry observed on a single mundane planet.4. People are made of molecules; some of the molecules in people are rather simple whereas others are highly complex.5. Chemistry is ever present in our lives from birth to death because without chemistry there is neither life nor death.6. Mathematics appears to be almost as humankind and also permeates all aspects of human life, although many of us are not fully aware of this.III. Translation.1. (a) chemical process (b) natural science (c) the technique of distillation2. It is the atoms that make up iron, water, oxygen and the like/and so on/andso forth/and otherwise.3. Chemistry has a very long history, in fact, human activity in chemistry goesback to prerecorded times/predating recorded times.4. According to/From the evaporation of water, people know/realized thatliquids can turn/be/change into gases under certain conditions/circumstance/environment.5. You must know the properties of the material before you use it.IV . Translation化学是三种基础自然科学之一,另外两种是物理和生物。

应化专业英语作文

应化专业英语作文

应化专业英语作文Chemistry has always been a subject that fascinates me, and the study of applied chemistry has opened up a new worldof possibilities.In the realm of applied chemistry, the practical applications of theoretical concepts are what truly captivate my interest. From the development of pharmaceuticals to environmental protection, the impact of our field is profound.One of the most exciting aspects of applied chemistry isits interdisciplinary nature. It combines elements of biology, physics, and engineering to create innovative solutions to global challenges.The coursework in my applied chemistry program has been both challenging and rewarding. Learning about chemical reactions, molecular structures, and the properties ofvarious compounds has deepened my understanding of the world around me.In the lab, I've had the opportunity to conduct experiments that have not only reinforced my classroomlearning but also sparked my curiosity about the unknown. There's something exhilarating about making a discovery that could potentially change the way we live.As I progress through my studies, I am eager to explorethe various career paths that applied chemistry offers. Whether it's in research, industry, or academia, thepotential to make a difference is immense.I believe that the knowledge and skills I am gaining in applied chemistry will not only benefit my future career but also empower me to contribute to the betterment of society.In conclusion, the field of applied chemistry is a dynamic and ever-evolving discipline that offers endless opportunities for growth and innovation. It is a field that I am proud to be a part of and one that I look forward to contributing to in the years to come.。

第二版应用化学专业英语课后答案

第二版应用化学专业英语课后答案

Unit 1 The Roots of ChemistryI. Comprehension.1.C2. B3. D4. C5. BII. Make a sentence out of each item by rearranging the words in brackets.1.The purification of an organic compound is usually a matter of considerabledifficulty, and it is necessary to employ various methods for this purpose.2.Science is an ever-increasing body of accumulated and systematizedknowledge and is also an activity by which knowledge is generated.3.Life, after all, is only chemistry, in fact, a small example of chemistryobserved on a single mundane planet.4.People are made of molecules; some of the molecules in people are rathersimple whereas others are highly complex.5.Chemistry is ever present in our lives from birth to death because withoutchemistry there is neither life nor death.6.Mathematics appears to be almost as humankind and also permeates allaspects of human life, although many of us are not fully aware of this.III. Translation.1.(a) chemical process (b) natural science (c) the technique of distillation2.It is the atoms that make up iron, water, oxygen and the like/and so on/andso forth/and otherwise.3.Chemistry has a very long history, in fact, human activity in chemistry goesback to prerecorded times/predating recorded times.4.According to/From the evaporation of water, people know/realized thatliquids can turn/be/change into gases under certain conditions/circumstance/environment.5.You must know the properties of the material before you use it.IV. Translation化学是三种基础自然科学之一,另外两种是物理和生物。

应用化学 英文教材

应用化学 英文教材

应用化学英文教材Applied Chemistry: An Introduction to the Fundamentals.Chemistry, a branch of science dealing with the composition, structure, properties, and transformations of matter, finds its applications in almost every aspect of our lives. Applied Chemistry, as a subset, focuses on the practical applications of these principles, bridging the gap between pure science and real-world applications.Fundamentals of Applied Chemistry.The foundation of Applied Chemistry rests on the laws and principles established by classical chemistry. The laws of conservation of mass and conservation of energy, for instance, provide a framework for understanding how chemical reactions occur and the energy changes involved. The periodic table, which organizes elements based on their atomic number, reveals patterns in element properties and预测s possible chemical reactions.Applications in Industry.Applied Chemistry plays a crucial role in various industries. In the petroleum industry, it helps in the extraction, processing, and refining of crude oil into usable fuels like gasoline and diesel. In the pharmaceutical industry, it is involved in the development of drugs and medicines, ensuring their safety and efficacy. In the food industry, it ensures the safety and quality of food products through preservation techniques and the development of new food items.Environmental Applications.The environmental impact of human activities has become a global concern. Applied Chemistry plays a vital role in addressing these issues. It helps in the development of sustainable energy sources like solar cells and fuel cells, reducing our dependency on fossil fuels. It also assists in waste management, developing techniques to recycle and dispose of waste safely.Nanotechnology and Applied Chemistry.The emergence of nanotechnology has further expanded the horizons of Applied Chemistry. At the nanoscale, matter exhibits unique properties that can be harnessed for various applications. Applied Chemists are at the forefront of developing nanomaterials for use in areas like medicine, electronics, and energy storage.The Future of Applied Chemistry.With the rapid advancements in technology, the future of Applied Chemistry looks bright. The integration of chemistry with other disciplines like biology, physics, and engineering is expected to lead to new discoveries and applications. The development of smart materials, green chemistry, and sustainable technologies are some of the exciting areas that Applied Chemistry is expected to explore in the coming years.In conclusion, Applied Chemistry is a dynamic fieldthat constantly evolves to meet the challenges of our time. It not only finds applications in various industries but also contributes to addressing global issues like environmental degradation and energy sustainability. As we move forward, the role of Applied Chemistry is expected to become even more crucial in shaping our future.。

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The Periodic TableAs our picture of the atom becomes more detailed, we find ourselves in a dilemma.当我们对原子了解的越来越详细时,我们发现我们其中处在两难之中己。

With more than 100 elements to deal with, how can we keep all this information straight?由于超过100种元素要处理,我们怎样能理顺所有的信息?One way is by using the periodic table of the elements.一个方法是使用元素周期表。

The periodic table neatly tabulates information about atoms. 周期表整齐地列出了原子信息的表格。

It records how many protons and electrons the atoms of a particular element contain. 它记录了一个具体的元素的原子包含多少质子和电子。

It permits us to calculate the number of neutrons in the most common isotope for most elements. 它允许我们为大多数元素计算最常见的同位素中的中子的数量。

It even stores information about how electrons are arranged in the atoms of each element. 它甚至储存了每个元素的原子周围是如何安排电子的信息。

The most extraordinary thing about the periodic table is that it was largely developed before anyone knew there were protons or neutrons or electrons in atoms. 关于周期表的最杰出的事情是在任何人知道在原子周围有质子、中子或者电子之前被提出来。

In 1869, Dmitri Ivanovich Mendeleev, a Russian chemist, published his periodic table of the elements. 在1869年,Dmitri Ivanovich Mendeleev,一位俄罗斯化学家,出版了他的元素周期表。

Mendeleev prepared his table by taking into account both the atomic weights and the periodicity of certain properties of the elements. Mendeleev综合考虑元素的原子量和性质的相似性制成了他的元素周期表。

The elements were arranged primarily in order of increasing atomic weight. 元素主要按照原子量增加的顺序排列。

In a few cases, Mendeleev placed a slightly heavier element with similar chemical properties in the same row. 在一些情况里,Mendeleev把稍微重一点且性质相似的(元素)放在一列中。

For example, he placed tellurium (atomic weight = 128) ahead of iodine (atomic weight = 127) because tellurium resembled sulfur and selenium in its properties, whereas iodine was similar to chlorine and bromine. 例如,他把碲(原子量= 128)排在碘(原子量= 127)前面,因为碲在它的特性方面类似硫和硒,而碘类似于氯和溴。

Mendeleev left a number of gaps in his table. Mendeleev在他的元素周期表中留下了许多空格。

Instead of looking upon those blank spaces as defects, he boldly predicted the existence of elements as yet undiscovered. 他没有认为这些空格的出现是周期表的缺陷,而是大胆的预言还有未被发现的元素的存在。

Furthermore, he even predicted the properties of some of these missing elements. 而且,他甚至预言一些这些未发现的元素的特性。

In succeeding years, many of the gaps were filled in by the discovery of new elements. 在以后的许多年中,许多空格被发现的新元素填入。

The properties were often quite close to those Mendeleev had predicted. 性质经常十分接近于Mendeleev已经预言的那些性质。

The predictive value of this great innovation led to the wide acceptance of Mendeleev's table. 这个伟大革新的预言价值是Mendeleev的元素周期表被广泛接受。

It is now known that properties of an element depend mainly on the number of electrons in the outermost energy level of the atoms of the element. 现在知道一种元素的性质主要取决于元素原子最外层能级的电子数目。

Sodium atoms have one electron in their outermost energy level (the third). 钠原子在它们的最外层能级(第3层)里有一个电子. Lithium atoms have a single electron in their outermost level (the second). 锂原子在他们的最外层能级(第2)里有一个单电子. The chemical properties of sodium and lithium are similar. 钠和锂的化学性质是相似的。

The atoms of helium and neon have filled outer electron energy levels, and both elements are inert. 氦和氖的原子充满电子能级,并且两种元素都是无活动的。

That is, they do not undergo chemical reactions readily. 也就是说,他们不容易经历化学反应。

Apparently, not only are similar chemical properties shared by elements whose atoms have similar electron configurations (arrangements) but also certain configurations appear to be more stable (less reactive) than others. 显然,不仅是具有相似的电子构造(安排)的原子的元素具有相似的化学性质,而且某些构造看起来比其它(构造)是更稳定(更少活性)的。

In Mendeleev's table, the elements were arranged by atomic weights for the most part, and this arrangement revealed the periodicity of chemical properties. 在Mendeleev的周期表中,大部分元素按照原子量安排,而且这种安排显示了化学性质的周期性。

Because the number of electrons determines the element's chemical properties, that number should (and now does) determine the order of the periodic table. 因为电子的数量决定元素的化学性质,所以数量应该(并且确实)决定周期表的顺序。

In the modern periodic table, the elements are arranged according to atomic number. 在现代周期表里,元素根据原子序数安排。

Remember, this number indicates both how many protons and how many electrons there are in a neutral atom of the element. 记住,这个序数表示,在元素的一个中性原子中,有多少质子和电子。

The modern table, arranged in order of increasing atomic number, and Mendeleev's table, arranged in order of increasing atomic weight, parallel one another because an increase in atomic number is generally accompanied by an increase in atomic weight. 现代的周期表,按原子序数增加排列,Mendeleev的周期表,按原子量增加排列,两者平行(差不多),因为原子序数的增加通常伴随着原子量的增加。

In only a few cases (noted by Mendeleev) do the weights fall out of order. 只有少数情况(Mendeleev注明)下原子量不按照规律。

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