base catalysis
英 [beɪs kəˈtæləsɪs]
美 [beɪs kəˈtæləsɪs]
碱催化
双语例句
- The corresponding reaction of acetaldehyde is subject to general base catalysis.
乙醛相应的反应服从广义的碱催化。 - Further Processing of Rapeseed Oil-Preparation of Biodiesel with Base Catalysis
菜籽油的深加工研究&碱催化制备生物柴油 - Preparation of biodiesel from waste cooking oil by solide acid base catalysis Factors influencing the liquefaction, separation, and recovery of solid grease from restaurant garbage
固体酸碱催化餐饮废油脂制备生物柴油餐厨垃圾固相油脂液化及分离回收的影响因素 - The resulting materials showed high activity toward the Knoevenagel condensation of benzaldehyde with malononitrile and the yield reached 99.9% after reacting for 3 h at 30 ℃, which often acts as a probing reaction for base catalysis.
并且通过苯甲醛和丙二腈的缩合反应研究了该类材料的碱催化活性.研究表明，在30℃反应3h后苯甲醛的转化率达到99.9%。 - The design and synthesis of novel water-soluble phosphines is the base of the progress in the two-phase catalysis.
新的水溶性配体及其过渡金属配合物的设计合成，是水-有机两相催化研究中实现创新的基础和保证。 - Synthesis of Schiff Base by Phase-transfer Catalysis
相转移催化合成苯甲醛缩氨基脲的研究 - Application of Schiff Base-Transition Metal Complexes in Asymmetric Catalysis
Schiffbase过渡金属配合物在不对称催化中的应用 - Kinetic study of VB2 in base catalysis hydrolysis with step nonisothermal accelerated test method
台阶型变温加速试验法对维生素B2碱催化水解动力学研究 - Under acid or base catalysis, reactions of β-elimination and cross-link take place in ( C).
然后，在酸或碱催化下，[A]链节发生β-消除反应，而使[C]交联。 - Research on the Synthesis of Lemonile by Dehydration through Phase Transfer Base Catalysis
碱相转移催化脱水法合成柠檬腈的研究 - In this paper, the reaction rule of diketen reacting with different alcohols under acid base catalysis was investigated. The rule was also explained by a new viewpoint of alkyl groups ′ electronic effects.
研究了二聚乙烯酮与不同结构的醇在酸、碱催化下的反应规律，并用烷基电子效应的新观点解释了这个规律。 - Four active cyclopropane compounds 2a-2d were synthesized using active methylene ( 1a-1d) and 1, 2-dibromoethane with potassium fluoride soaking alumina as a strong base under the condition of solid-liquid phase transfer catalysis, and the reaction mechanism was discussed in this paper.
以氟化钾浸渍的氧化铝为强碱，在固液相转移催化条件下，由活泼亚甲基化合物（1a～1d）与1，2－二溴乙烷合成了4种活性环丙烷化合物2a～2d，并探讨了其反应机理。 - A discussion on reaction rule of diketen reacting with alcohols under acid base catalysis
二聚乙烯酮与醇在酸、碱催化下反应规律的探讨 - The experimental results conform well to the proposed mechanism of the esters hydrolysis including both the intermolecular specific base catalysis of hydroxide ion and the intramolecular general base catalysis of benzimidazolyl group.
实验结果与我们所提出的酯水解历程中既包括分子间氢氧根离子特殊碱催化又包括分子内苯并咪唑基一般碱催化两种催化方式相符合。 - Schiff base ligands and their complexes have a broad application in the field of analytical chemistry, stereochemistry, electrochemistry, spectroscopy, biochemistry, catalysis, material, nuclear chemistry et.
同时，席夫碱及其过渡金属配合物在分析化学、立体化学、电化学、光谱学、生物化学、催化、材料、核化学等学科领域也都有广泛的应用。 - A new synthetic routine, in which catechol and monochloromethane are employed to form guaiacol in water-toluene heterogeneous solution with base and phase transfer catalysis, was proposed and studied.
本文提出了以邻苯二酚和一氯甲烷为原料，在碱性条件、水－甲苯非均相溶剂体系和相转移催化剂的作用下合成愈创木酚的工艺路线。 - Schiff base and its complexes are widely used in the fields of biology, catalysis and material.
希夫碱及配合物在生物、催化、材料等领域具有广泛的应用，是当前配位化学研究的热点。 - An analytical method was established for wool fiber by pyrolysis gas chromatograph ( GC) with base catalysis inputting sample mode.
提供了一种碱催化进样方式，利用裂解气相色谱对毛纤维进行鉴别的方法。 - In this paper, nano-porous silica films are prepared via Sol-Gel process with base, acid and base/ acid two-step catalysis.
采用溶胶-凝胶工艺在酸性、碱性和碱/酸两步催化条件下制备纳米多孔结构的SiO2薄膜。 - Because of the large flexibility and good coordination capability of Schiff base ligands, the studies on Schiff base metal complexes are paid much attention, with lots of novel properties showing in biochemistry, catalysis, electrochemistry, etc.
Schiff碱在合成上具有很大的灵活性和良好的配位能力，并且在生物化学、医药、催化、电化学等方面表现出许多新颖的性能，因而Schiff碱-金属配合物的研究一直受到广泛：重视。 - The future trend of research in acid/ base catalysis is discussed.
同时对酸碱催化未来的研究方向进行了评述。 - We can prepare nano ordered structure rare earth oxides, which could has a breakthrough in specific surface area, thermal stability and ordered structure of catalysis materials, then build up an base for highly effective catalysis materials 'preparation and application.
纳米有序结构稀土氧化物的制备，有望在催化材料的比表面积、热稳定性及结构有序性等指标上有所突破，以便为高效催化材料的制备、应用奠定基础。 - A catalytical kinetics spectrophotometry has been established for determinating of Pd base on the catalysis of trace amounts of Pd2+ in HCl medium. Linear range of the method covers 40~ 200ng Pd/ ml.
利用痕量Pd￣（2＋）在HCl介质中的催化作用建立了Pd的催化动力学分光光度测定法，测定线性范围：40～200gPd／ml。 - Synthesis of ceramic filter material with red soil base catalysis and effect of wastewater treatment
红壤基催化陶瓷滤料的合成和废水处理效果初探 - The ceramic filter material with red soil base catalysis was prepared by sintering with red clay under the atmosphere of reduction; multi-phase catalysis and oxidation were carried out for methyl orange with the catalysis and oxidation filter material and hydrogen peroxide.
采用红黏土烧结制成红壤基催化陶瓷细滤料，用此催化滤料和过氧化氢对甲基橙进行多相催化氧化。 - The imidazole side chain of histidine frequently serves as a general acid or base in catalysis and in ligation of essential metal ions.
组氨酸残基的咪唑侧链频繁地作为酸和碱参与蛋白质催化剂作用和络合生物必需的金属离子过程。 - The solid bases loaded and unloaded in alumina as catalysts were used in the solvent-free acetylation of phenol. The results showed potassium carbonate-alumina ( solid base ⅲ-3) has best catalysis.
这些负载型固体碱及无负载固体碱于无溶剂下对苯酚的乙酰化反应进行催化，结果显示微波辐射法制得的碳酸钾-氧化铝（固体碱Ⅲ-3）催化效果最好。 - Particular attention has been paid to the complexes of transition metal Schiff base complexes because of their wide application in various fields such as catalysis, magnetism, medicine, analysis and being potential models for biological systems.
在配位化学领域该类配合物受到人们的广泛关注，并且过渡金属SchiffBase配合物具有广泛的应用，如：催化、磁性、医药、分析以及生物系统的模板领域。 - Schiff base complexes have various structures and peculiar properties, so the use foreground of these complexes is promising in many fields, such as bioactivity catalysis and material, owing to their easy preparation, well coordinate capability to the transition metal ions.
由于Schiff碱在合成上具有灵活性，跟金属离子很容易进行配位，该类配合物结构多样，性质特殊，在化学、生物以及材料等科学领域都具有广泛的应用前景。 - In addition, the pH versus DNA cleavage rate profiles can be fitted to two ionizing group models, indicating the presence of a general acid and a general base in catalysis.
另外，对pH-SOD1断裂DNA速率曲线进行拟合的结果显示催化过程中存在一个一般酸和一个一般碱。