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- new compounds of triazines 新三嗪化合物
- OBJECTIVE To study the quantitative structure-activity relationship (QSAR) of carbapenems, and to design some new compounds of carbapenems. 摘要目的通过对碳青霉烯类抗生素定量构效关系(QSAR)的研究，进行新的碳青霉烯类化合物的分子设计。
- Thirteen new compounds of the alkyl styryl indoline spirobenzopyrans were synthesized from the condensation of 2-methylene indoline with the designed salicylaldehyde. 利用2-亚甲基吲哚啉和取代水杨醛缩合得到十三种新的烷基苯乙烯基吲哚啉螺苯并吡喃。
- From isonicotinic acid,the compound isoniazide was prepared,then nine new compounds of isonicotinoyl hydrazones were synthesized and characterized by elemental analysis and 1HNMR . 从异烟酸出发,先合成异烟酰肼,然后与羰基化合物进行缩合反应,合成了9个新的异烟酰腙类试剂。用元素分析、核磁共振氢谱确证了他们的结构
- For the new compound of 1,2,5- selenadiazolo pyrimidine-5,7-(4H,6H) dione (SPDO),two peaks with the same mass spectra could be observed in the GC separation,which were considered to be its two isomers. 新化合物1;2;5-硒二唑并[3;4-d]嘧啶-5;7-(4H;6H)二酮(SPDO)在色谱柱内出现11.;83min和7
- Then followed the discovery of a new compound. 接着又发现了一种新的化合物。
- Air is a mixture, not a compound of gases. 空气是气体的混合物，不是化合物。
- A designed organic compound of triazine thiols monosodium(TTN) was used for preparing polymeric film(PTT) on pure copper by polymer plating. 通过有机镀膜的方法;利用一种自设计合成的三嗪硫醇化合物(TTN)在铜.;面制备有机薄膜。
- Then followed the discovery of a new compound . 接着又发现了一种新的化合物。
- Common salt is a compound of sodium and chlorine. 食盐是钠和氯的化合物。
- The new plastic has been compounded of unknown materials. 这个新塑胶是用不知名的材料混合做成的。
- Water is a compound of hydrogen and oxygen. 水是氢和氧的化合物。
- Air is a mixture,not a compound of gases. 空气是气体的混合物，不是化合物。
- Chemists combine different elements to form new compounds. 化学家结合不同的元素形成新的混合物。
- It is a compound of aluminum, silica, and fluorine. 它是铝、硅和氟的化合物。
- Water is the compound of oxygen and hydrogen. 水是氢氧化合物。
- All human power is a compound of time and patience. 人类的力量即是时间和耐心的合成。
- A binary compound of fluorine with another element. 氟化物氟与其他元素组成的二元化合物
- Name of article: New Compounding of SHISEIDO White Lucent(2) 货品名称:资生堂透白美肌(2)新型配方
- A new compound La 2-x Sr xCa 0.5 Pr 0.5 Cu 2O 6 was synthesized. 合成了La212型新化合物La2－xSrxCa0.;5Pr0
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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
