绿色化学英语作文_初三真题英语作文2篇

关于”绿色化学“的英语作文范文2篇,作文题目:Green Chemistry。以下是关于绿色化学的初三英语范文,每篇作文均为真题范文带翻译。

绿色化学英语作文_初三真题英语作文2篇

关于”绿色化学“的英语作文范文2篇,作文题目:Green Chemistry。以下是关于绿色化学的初三英语范文,每篇作文均为真题范文带翻译。

高分英语作文1:Green Chemistry

Green Chemistry

绿色化学

Green chemistry, also known as sustainable chemistry, is the design of chemical processes and products that reduce or eliminate the use and generation of hazardous substances. It aims to promote the protection of the environment and human health by minimizing the negative impact of chemical processes.

绿色化学,又称可持续化学,是设计化学过程和产品,以减少或消除有害物质的使用和生成。其目标是通过最小化化学过程的负面影响,促进环境和人类健康的保护。

The principles of green chemistry include using renewable feedstocks, minimizing waste generation, designing safer chemicals, and maximizing energy efficiency. By adopting these principles, scientists and engineers can create innovative solutions that are both economically viable and environmentally friendly.

绿色化学的原则包括使用可再生的原料,最小化废弃物产生,设计更安全的化学物质,以及最大化能源效率。通过采用这些原则,科学家和工程师可以创造经济可行且环境友好的创新解决方案。

One example of green chemistry in action is the development of biodegradable plastics. Traditional plastics, made from fossil fuels, can persist in the environment for hundreds of years, leading to pollution and ecological damage. In contrast, biodegradable plastics are derived from renewable resources and can break down naturally, reducing waste and environmental contamination.

绿色化学实践的一个例子是可降解塑料的开发。传统塑料由化石燃料制成,可以在环境中持续存在数百年,导致染和生态。相反,可降解塑料是利用可再生资源制造的,可以自然分解,减少废物和环境染。

Another important aspect of green chemistry is the use of alternative solvents. Traditional solvents, such as chloroform and benzene, can be toxic and harmful to human health. Green chemistry seeks to develop and utilize solvents that are less hazardous, such as water or supercritical carbon dioxide, which have lower environmental and health risks.

绿色化学的另一个重要方面是使用替代溶剂。传统溶剂,如氯仿和苯,可能具有毒性,对人类健康有害。绿色化学致力于开发和利用更少危害的溶剂,如水或超临界二氧化碳,其具有较低的环境和健康风险。

In conclusion, green chemistry plays a vital role in the sustainable development of our society. By incorporating the principles of green chemistry into our daily lives and industries, we can protect the environment, conserve resources, and improve human health. It is crucial for us to support and promote the advancement of green chemistry for a greener and healthier future.

总之,绿色化学在我们社会的可持续发展中扮演着至关重要的角色。通过将绿色化学原则融入我们的日常生活和工业中,我们可以保护环境,节约资源,改善人类健康。支持和推动绿色化学的进步对于实现更加绿色和健康的未来至关重要。

万能作文模板2:绿色化学

Chemical Experiment

Last week, we had a chemistry experiment in our school laboratory. The aim of the experiment was to observe the reaction between vinegar (acetic acid) and baking soda (sodium bicarbonate).

Firstly, we collected the materials needed for the experiment, including a beaker, measuring ss, vinegar, baking soda, and a stirrer. Then, we measured 10ml of vinegar and poured it into the beaker. After that, we added 5g of baking soda into the vinegar. As soon as we mixed the two, we observed a vigorous bubbling reaction. It was very fascinating to watch!

We carefully stirred the mixture to make sure the reaction was thorough. As the reaction continued, we noticed that the mixture became frothy and started to overflow from the beaker. It was exciting to see the reaction reaching its peak!

To explain the reaction, we learned that vinegar contains acetic acid and baking soda contains sodium bicarbonate. When these two substances combine, they undergo a chemical reaction called neutralization. The acetic acid and sodium bicarbonate react to form carbon dioxide gas, water, and a type of salt called sodium acetate. This reaction produces the bubbling and frothing effect that we observed.

Overall, the chemistry experiment was very informative and enjoyable. It helped us understand the principles of chemical reactions and the concept of neutralization. We also learned the importance of safety precautions while conducting experiments in the laboratory.

化学实验

上周,我们在学校实验室进行了一次化学实验。这个实验的目的是观察醋(乙酸)和小苏打(碳酸氢钠)的反应。

首先,我们收集了实验所需的材料,包括一个烧杯、量勺、醋、小苏打和搅拌棒。然后,我们量取了10毫升的醋,倒入烧杯中。接着,我们添加了5克的小苏打到醋中。当我们混合这两种物质时,我们观察到了一个剧烈的冒泡反应。真是非常迷人的景象!

我们仔细搅拌混合物,确保反应彻底。随着反应的继续,我们注意到混合物变得多泡,并开始从烧杯中溢出来。看到反应达到顶点真是令人兴奋!

为了解释这个反应,我们学到醋含有乙酸,小苏打含有碳酸氢钠。当这两种物质结合时,它们发生一种称为中和反应的化学反应。乙酸和碳酸氢钠反应生成二氧化碳气体、水和一种叫做乙酸钠的盐。这个反应产生了我们观察到的冒泡和多泡效果。

总的来说,这次化学实验非常有益和有趣。它帮助我们理解化学反应的原理和中和的概念。我们还学到了在实验室进行实验时安全预防措施的重要性。

本文来自投稿,不代表逐光英语立场,如若转载,请注明出处

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