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- single carbon unit(one carbon unit) 一碳单位
- single carbon unit 一碳单位
- In general, the activity of the halide component of the initiator increases with the number of chlorine or bromine atoms joined to a single carbon atom. 一般说来,引发剂的卤化物组份的活性,是随连在同一碳原子上的氯和溴原子的数目的增多而增长。
- The synthesis processes of purine,pyrimidine,and thymidylic acid in organism and the metabolism processes of cells are always accompanied by one carbon unit transfer reaction. 生物体内嘌呤、嘧啶、胸苷酸等的合成以及细胞的代谢过程都伴随有一碳单元转移反应。
- If there are five or more bonds to a single carbon atoms, it will be short of electrons and have a positive charge - this species is called a carbonium ion, a form of carbocation. 阳碳(碳鎓):如果有五个甚至更多的键连接在一个碳原子上,碳原子由于缺乏电子而带正电,这种物质称为阳碳(或碳鎓),这是碳正离子的一种。
- One carbon unit transfer reaction of imidazolinium with 1,2 diaminobenzene has been studied with PM3 semi empirical molecular orbital calculations in this paper. 叶酸辅酶在酶催化的一碳单元转移过程中具有重要的作用,已有大量的实验及实验模拟对其生物学功能进行了研究分析。
- It introduces regular packing and liquid distributor. Their application to modify cuprarnmonia and propylene carbonate unit are described. 介绍规整填料和新型液体分布器及其在铜洗及碳丙吸收塔改造中的应用。
- Aluminum matrix composites with single carbon fiber 单一碳纤维增强ZL109复合材料
- Company products are grass-drying unit, corn straw Press of carbon units, high humidity of drying units, and chicken manure-drying unit, fertilizer and bio-fertilizer production lines. 公司主导产品有牧草烘干机组,玉米秸杆压块制炭机组,高湿物烘干机组,鸡粪强性烘干机组,复合肥及生物肥生产线等。
- Keywords Tetrahydrofolate;Mimic;One carbon unit; 四氢叶酸;仿生模拟;一碳单元;
- The letter was written on a single sheet of paper. 这封信只用一张纸写成。
- One single, second class, to winchester, please. 买一张去温撤斯特单程二等票。
- A single unit, as in counting, rating, or measuring. 单位一种单位,如计数、测试或测量中所用的单位
- He got over the stream with a single leap. 他一跃就跳过了小溪。
- The consolidation of bones or their parts to form a single unit. 关节强直使骨和其它部位强直并形成一体
- The bridge crosses the river in a single span. 河上那座桥是单跨桥。
- Do you want a single or a return ticket? 你要单程票还是往返票?
- Is the material single width or double width? 这幅料子是单幅的还是双幅的?
- I have had to work for every single penny I earned. 我挣的每一便士都是辛苦工作得来的。
- The huntsman fired a single shot at the lion and settled its hash. 猎人朝那只狮子开了一枪,把它打死了。