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写化学实验的英语作文_托福真题英语作文3篇

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  • 2023-12-06 10:03:23
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写化学实验的英语作文_托福真题英语作文3篇

关于”写化学实验“的英语作文范文3篇,作文题目:Writing Chemistry Experiments。以下是关于写化学实验的托福英语范文,每篇作文均为真题范文带翻译。

高分英语作文1:Writing Chemistry Experiments

Purpose: see mold (mold) under what conditions the fastest growth of experimental materials: two pieces of bread, water, a paper bag experiment method: take a piece of bread, tear (piece) into two pieces, one piece in a dry environment, sprinkle a little water on it, and then take a piece of bread, tear it in two, one piece in the dark environment (paper bag) and one piece of test results: in wet dark environment The growth of mold was faster.

中文翻译:

用途:见模具(霉菌)在什么情况下生长最快的实验材料:两片面包,水,一个纸袋实验方法:取一片面包,撕(片)成两片,一片放在干燥的环境中,在上面撒一点水,然后取一片面包,撕成两半,一片在黑暗环境下(纸袋中)和一片试验结果:在潮湿黑暗环境中,霉菌生长较快。

万能作文模板2:化学实验写作

The reaction conditions of caustic soda and copper sulfate were studied. NaOH + CuSO4 = Cu (OH + Na2SO4) caustic soda adding copper sulfate to produce copper hydroxide precipitate and sodium sulfate experimental material: alcohol lamp, filter paper, glass rod and other technological processes: adding copper sulfate to caustic soda to produce blue precipitation, then heating the blue precipitation, observing the reaction phenomenon. Conclusion: adding copper sulfate to caustic soda can react with copper hydroxide precipitation and sodium copper sulfate (OH)= Conversion of copper oxide and water by precipitation and heating of CuO + H2O) copper hydroxide.

中文翻译:

研究烧碱和硫酸铜的反应条件NaOH+CuSO4=Cu(OH+Na2SO4)烧碱加入硫酸铜生产氢氧化铜沉淀和硫酸钠实验物:酒精灯、滤纸,玻璃棒等工艺流程:在烧碱中加入硫酸铜产生蓝色沉淀,再加热蓝色沉淀,观察反应现象结论:烧碱加入硫酸铜反应氢氧化铜沉淀和硫酸钠铜(OH=CuO+H2O)氢氧化铜沉淀加热转化氧化铜和水。

满分英语范文3:写化学实验

According to the regulations, drinks and articles are not allowed to be brought into the chemical laboratory for smoking. Please throw the indoor water heating paper into the waste paper basket. Do not touch anything at will.

You must return to the site to leave without permission, and the doors and windows must be closed before leaving.

中文翻译:

化学实验室按规定不得将饮料和物品带入化学实验室吸烟请将室内水暖纸扔进废纸篓请不要随意触摸任何东西,未经允许做了测试项目后必须返回现场离开,门窗必须关闭后方可离开。

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