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- diene isomerism 二烯异构
- Allene is an isomer of methyl acetylene. 丙二烯是甲基乙炔的一种异构体。
- The state or condition of being an isomer. 同分异构状态以同分异构形式存在的状态或情形
- A rather more complex case is that of steric isomerism. 更复杂的情形是立体异构问题。
- Dien thoai cua chi con o Viet Nam lan sau a qua me goi a dem ve DL. 姊姊的电话还在越南，下次你过来越南妈妈会请你带回去台湾。
- Fourth, Kunming - Jinping - Dien Bien Phu tourism line. 四 是昆明--金平--奠边府旅游线。
- Supramolecular isomerism of inclusion crystalline formed by D. D with p-anisaldehyde (主体分子D.
- Catherine Nguyen: Do you know our outstanding win in Dien Bien Phu? 你知道,我们的奠边府大捷吗?
- An isomer of retinoic acid, used in the treatment of acne. 一种视黄酸的异构体，用于治疗粉刺
- EPDM is a terpolymer elastomer made from ethylene-propylene diene monomer. EPDM是一种由乙烯 - 丙烯、二烯单聚物构成的三元共聚物弹性材料。
- Advances of the cis-trans isomerism in a molecule are summarized in this paper. 总结了分子中存在的顺反异构化过程及其机理,包括光致异构化、热致异构化和催化异构化。
- How many isomerism bosom friends a person can meet in his/her whole life? 人一生中可以遇到多少个异性知己？
- A structural isomer of citral that is obtained from the oxidation of geraniol. 香叶醛由香叶醇氧化得到的柠檬酸的结构上的同质异构体
- The challenge we faced in 1954 was to convince the American people of the importance of Dien Bien Phu. 1954年我们所面临的难题是让美国人民真正认识到奠边府的重要性。
- The team "stereoisomerism" however, is generally restricted to mirror image isomerism. 然而“立体异构”一词通常只限于镜象异构。
- Tran Dien from the company that makes the kits says more people would use LPG if it was more widely available. 制造转化器公司的人员表示，有越来越多人要使用液化石油气。
- The properties of nano-SiO2 modified EPDM(ethylene-propylene diene monomer)/PPTPE were studied in this paper. 试验研究了纳米SiO2改性三元乙丙橡胶/聚丙烯(EPDM/PP)热塑性弹性体(TPE)的性能。
- The term "normal" applies to the isomer that has all its carbon atoms linked in a straight chain. 对这类异构体采用“正构”一词是因为这类异构体的全部炭原子都以直链形式连在一起。
- The product has good catalytic property for the formation of diene stereospecific polymers. 制得的叔碳酸钕具有对二烯烃良好的定向聚合活性。
- The most likely alternative structure, the tetrahedron, would produce only one isomer for this composition. 在这种情况下,最可选的结构是四面体,并且对于这个化合物将只产生一个异构体。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
