1) direct connect
直接接合
2) direct polycondensation
直接聚合
1.
Studies on thermodynamics and kinetics of the direct polycondensation of lactic acid;
乳酸直接聚合的热力学、动力学研究
2.
High relative molecular mass poly(butylene succinate)(PBS) was synthesized by direct polycondensation of succinic acid and 1,4-butanediol in decalin solution at 140～200 ℃ for 12～14 h.
以丁二酸和丁二醇为原料,十氢萘为溶剂,在140~200℃反应12~14 h,进行直接聚合,合成了高相对分子质量聚丁二酸丁二醇酯(PBS)。
3.
High molecular mass poly(etylene-succinate)(PES) was synthesized by direct polycondensation of succinic acid and glycol.
以十氢萘为溶剂,丁二酸和乙二醇直接聚合,合成了高相对分子质量的聚丁二酸乙二醇酯(PES),其结构经1H NMR和IR表征。
3) direct combination
直接复合
4) direct bonding
直接键合
1.
Studies Theoretically and Experimentally on Direct Bonding of Laser Crystals;
激光晶体直接键合理论与实验研究
2.
A bonding rod was compounded with Nd:YAG laser rod and Cr4+:YAG Q-switch by the direct bonding technology.
采用直接键合的方法将Nd:YAG激光棒与Cr4+:YAG调Q元件结合在一起,对Nd:YAG棒和Cr4+:YAG在键合前后的激光性能进行了实验比较。
5) direct mixing route
直接混合
6) direct synthesis
直接合成
1.
The direct synthesis of dimethyl carbonate from carbon dioxide;
由二氧化碳直接合成碳酸二甲酯
2.
Study on direct synthesis of dimethyl ether by hydrogenation of carbon dioxide in the slurry reactor——Effects of reaction conditions on the performance of magnesium modified hybrid catalyst
浆态床中CO_2加氢直接合成二甲醚的研究——反应条件对镁改性双功能催化剂性能的影响
3.
New progress of research and development on catalysts, reaction medium, reactors (microreactor, membrane reactor, etc), operating method, etc in the process for direct synthesis of hydrogen peroxide from hydrogen and oxygen in recent 2～3 years is introduced.
介绍了氢、氧直接合成过氧化氢过程中催化剂、反应介质、反应器(微反应器、膜反应器等)、操作方式等方面近2～3年来的研发新进展。
补充资料：草履虫的接合生殖
草履虫的接合生殖
[图]
[图]
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条