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- The coupling mechanism of silane coupler and its use as endcapper, adhesion promoter and dehydrating agent in polyurethane sealant are discussed. 摘要论述了硅烷偶联剂的偶联机理及其作为封端剂、粘接促进剂和干燥剂在聚氨酯密封胶中的应用。
- Accordingly, to eliminate cerebral oedema, can select dehydrating agent according to the illness. 因此,为了消除脑水肿,可根据病情选择脱水剂。
- By the improved method, proglumide was synthesized in acetic anhydride with toluene as the dehydrating agent. 本文报道合成抗溃疡药丙谷胺的改进工艺。
- The coupling mechanism of silane coupler and its use as endcapper,adhesion promoter and dehydrating agent in polyurethane sealant are discussed. 论述了硅烷偶联剂的偶联机理及其作为封端剂、粘接促进剂和干燥剂在聚氨酯密封胶中的应用。
- Operation hind still should use hormone, dehydrating agent and bacteriophage, happen in order to prevent adhesion once more. 手术后还应使用激素、脱水剂及抗菌素,以防止粘连再度发生。
- The dehydrating agent and the dehydrating condition on removal of trace water in the synthetic solution of triethyl orthoformate were investigated. 研究了原甲酸三乙酯一步法合成反应中脱除微量水分的脱水剂和脱水条件,通过正交实验确定了脱水的最优化工艺条件。
- The affects of catalyst amount, molar ratio of phenylethyl alcohol and iso-valeric acid, reaction time and dehydrating agent amount were studied. 研究了催化剂用量、载体二甲苯用量、醇酸比例以及反应时间对反应结果的影响。
- Her body had dehydrated dangerously with the heat. 她因受酷热身体脱水。
- Methods:3-decarboxylic quinolones were obtained via condensation of compound 5 with o-phenylenediamine.PPA was used as a dehydration agent. 方法:在喹诺酮类化合物5与邻苯二胺缩合中,以多聚磷酸(PPA)为脱水剂,可以得到3-脱羧产物。
- The process is carried out by using Soxhlet set, as experiment unit,with methyl sulfonic acid as a catalyst and magnesium sulfite as dehydrating agent,giving 97. 报道了合成乳酸丁酯的新方法,以乳酸和正丁醇为原料,在甲基磺酸催化下以亚硫酸镁为脱水剂,用索氏提取器进行回流合成。
- The variety of emulsion system, the selection of monomer and the determination of dehydrating agent can directly influence the properties of the regenerated leather adhesive. 讨论了乳液体系的种类、单体的选择和脱水剂的确定,它们直接影响到再生革粘合剂的应用性能。
- The effects of the amount of sulfuric acid, reaction duration and the addition of anhydrous sodium sulfate as dehydration agent on the yield of OFPMA were studied. 讨论了硫酸的用量、反应物配比、反应温度和反应时间对产物收率的影响。
- Glutaric anhydride was first prepared With acetic anhydride as dehydrating agent, and hydrogen peroxide was used as oxidant for the preparation of glutaric acidperoxide. 试验采用乙酸酐做脱水剂,由混合二无酸制取戊二酸酐,再用过氧化氢氧化制得过氧化戊二酸。
- The optimized synthetic route was obtained,and synthesis of asymmetry 1,3,4-oxadiazoles using P(Ph)3 /(Et)3N/CCl4 as dehydration agent was an excellent method. 设计并合成了3个2-对溴苯基-5-芳基-1,3,4-恶二唑类化合物,它们是进一步合成具有光电功能特性的恶二唑类化合物的重要前体。
- This paper reviewed the advantages,adsorption principle and the recommended technological process of preparation of absolute ethanol with corn starch as dehydrating agent. 以玉米淀粉为脱水剂制备无水乙醇的优点,吸附原理及推荐的工艺流程。
- Through the experiment,it is found that the tack free time is affected greatly by the content of catalyst,dehydrating agent,plasticizer and the free NCO. 通过实验发现催化剂、脱水剂、增塑剂以及游离的异氰酸酯含量对密封胶的表干时间有很大的影响。
- Methods Twelve patients (12 eyes) with traumatic optic neuropathy were treated with high-dose corticosteroids , dehydrating agent, dilating blood vessel and trophic optic nerve . 方法 视神经间接损伤 12例,采用大剂量皮质类固醇、脱水剂、扩血管及视神经营养药物综合治疗。
- I booked my holiday through my local travel agent. 我是由本地的旅游代理人预先安排的度假事宜。
- Pod dehydrated drastically at 16-18 DAA. 花后16-18d豆荚急剧失水。
- Her cub was dehydrated and is doing fine. 失水过多的熊宝宝已渐渐地复原。