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- Recent advances in the direct synthesis of dimethyl ether from syngas in three-phase reactors are reviewed with emphasis placed on the cases in China. 综述了国内外特别是国内三相床反应器中由合成气直接合成二甲醚的研究和开发新进展。
- This paper describes the direct synthesis of octyl\|glucoside with supported heteropolyacid catalysts. 本文以负载型杂多酸为催化剂,以葡萄糖和正辛醇为原料,直接法合成辛基多苷。
- The reactor of the direct synthesis triethoxysilane was analysized. It can be classified as gas-solid reactor and gas-liquid-solid reactor based on solvents. 论述了直接法合成三烷氧基硅烷反应器研究结果,按有无溶剂可分为气-固反应器及气-液-固反应器。
- The appropriate conditions for the direct synthesis of pre-polymer of PLLA via melt solid-state polycondensation were prepared with an composite catalyst. 以L-乳酸为原料,采用复合催化剂熔融缩聚的方法,制备预聚物,然后进行固相缩聚研究。
- They got the raceme of bunolol at first and then bunolol was firstly resoluted with chiral column of HPLC by Lars Olsen in 1993. In 1995 the direct synthesis of levobunolol was reported by Alberto Stampa Diez Del Corral firstly. 1993年Lars Olsen等首次对其消旋体进行拆分； 1995年Alberto Stampa Diez Del Corral首次报道左布诺洛尔的直接合成法。
- The perovskite-type metal oxides supports and the corresponding supported Pd catalyst were prepared by microwave, and characterized by XRD, SEM and used in the direct synthesis of diphenyl carbonate (DPC). 摘要利用微波法制备了钙钛矿型复合氧化物载体及把负载钙钛矿型催化剂，用XRD和SEM对载体及催化剂进行了表征，并将微波法制备的催化剂用于一步氧化羰基化合成碳酸二苯酯(DPC)实验。
- Such a strategy is based on the direct synthesis of molecularly imprinted polymeric fibers (monoliths) using silica capillaries as molds, with silica being etched away after polymerization. 这种技术以二氧化硅毛细管为模型直接合成分子印迹聚合纤维（单体），聚合完成后除去二氧化硅。
- Furthermore, according to the properties of H-ZSM-5 and Fischer-Tropsch synthesis (FTS), a novel zeolite capsule catalyst was designed and used successfully for the direct synthesis of light iso-paraffins from syngas (CO+H_2) via FTS reaction. 此外，根据H-ZSM-5沸石膜的催化裂解和异构化的性质，结合基于普通Co/SiO_2催化剂的费托合成反应的特点，设计出一种新颖的沸石膜胶囊催化剂。 在费托合成反应中，该催化剂对于轻质异构烷烃的直接合成表现出良好的选择性。
- Her opinions are the direct opposite of mine. 她的意见与我的截然相反。
- The progress of the catalyst in the direct synthesis triethoxysilane is reviewed according to the author and other researches in the field,the direction of catalyst development is suggest. 综述了直接法合成三乙氧基硅烷所用催化剂的研究进展,并对其发展前景进行了展望,指出了催化剂开发的方向。
- The ship launched in the direction of Japan. 船起航前往日本。
- Follow the directions that your doctor gives you. 请遵医嘱。
- He gave a clear answer to the direct question. 他对那个直截了当的问题作了清晰的答复。
- A turn in the direction of the left hand or side. 向左转朝左手或左边方向的转弯
- He's the direct opposite of his brother. 他同他的兄弟正好相反。
- Keywords nitrogen trifluoride;electroanalysis;the direct synthesis; 三氟化氮;电解法;直接化合法;
- Persistence is the direct result of habit. 恒心毅力是习惯的直接产物。
- My eyes were blinded by the direct rays of light. 在光线的直射下，我看不清楚东西。
- She was entrusted with the direction of the project. 她受委托负责这项计划。
- Keywords the direct synthesis triethoxysilane catalyst progress; 直接法;三乙氧基硅烷;催化剂;进展;
