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- This article is based on cycling economy and green chemistry theory,and studies two kinds of green extracting limonene from the peels of oranges. 本文从循环经济、绿色化学理念出发,研究了两种从橙皮中提取柠檬烯无害化的提取方法。
- The mechanism of scavenging DPPH radical using dihydromyricetin and dihydromyricetin laurate as antioxidants was explored by quantum chemistry theory. 并用量子化学方法对二氢杨梅素衍生物的酯化度与清除DPPH自由基抗氧化活性之间的关系进行分析和解释。
- The leaching process of gold and silver by thiourea was described by electrochemistry and coordination chemistry theory. 同时用电化学和配位化学的理论对硫脲浸出金银的过程进行了描述。
- On the basis of crystal structure and crystal chemistry theory, supposed theminimum dimension of nano-kaolinite corpuscle. 结合晶体结构、晶体化学的基础理论,对高岭石最小纳米尺度进行了简单的研究和探讨,提出了高岭石最小纳米颗粒的假定。
- The chemical behavior of trace elements in biotic process of human body on the basis of coordination chemistry theory was discussed. 从配位化学的角度,论述了微量元素在人体生命过程中的化学行为。
- The latest developmcnt aspects and applicication fields were discussed.In the 21st century,chemistry theory and applicication technique will focus on the organic electrosynthesis. 对有机电化学合成的最新发展方向和应用领域作了探讨,指出有机电化学合成将成为21世纪各化学基础学科和应用技术研究的热点。
- The latest development aspects and applicication fields were discussed.In the 21st century, chemistry theory and applicication technique will focus on the organic electrosynthesis. 对有机电化学合成的最新发展方向和应用领域作了探讨,指出有机电化学合成将成为21世纪各化学基础学科和应用技术研究的热点。
- This article illustrates pertinent opinions about training students' environmental ideas and how to enhance environmental education in three chemistry teaching areas:chemistry theory,ch... 本文就化学教学中如何从化学理论、化学实验、化学课外活动等化学教学的三方面加强环保教育,阐述培养学生的环保意识的有关问题。
- inorganic chemistry theory teaching 无机化学理论教学
- Cleaner Process for Making Chromium Trioxide Based on Green Chemistry Theory 遵循绿色化学原理开发的铬酸酐清洁生产工艺
- We have three periods of chemistry a week. 我们一星期三节化学课。
- The scientist probed into the secrets of chemistry. 这位科学家探索了化学的种种奥秘。
- Chemistry was her favourite subject at school. 她上学时最喜欢化学。
- No one can cope with him in Chemistry. 在化学方面,谁也比不上他。
- I am not good at organic chemistry. 我的有机化学学得不好。
- We will do a Chemistry experiment this Friday. 这个周五我们要做化学试验。
- He tried in every way to verify this theory. 他想一切办法来验证这个理论。
- I entirely approve of that theory. 我完全赞成那种理论。
- Einstein put forward his new theory of relativity. 爱因斯坦提出了相对论的新学说。