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- Vapor phase synthesis of 2,3,5-trimethyl phenol from methanol and 3,5-dimethyl-phenol over solid acid catalyst was studied in a fixed bed reactor. 制备并考察了甲醇甲基化法合成2,3,5-三甲基苯酚的固体酸催化剂,进行了甲基化反应工艺条件的优化研究。
- vapor phase synthesis 汽相合成法
- At point e, the substance is wholly in the vapor phase. 到e点时,物质全部变为气相。
- Compatible with infrared and vapor phase reflow solder process. 适用于回流焊接工艺。
- Liquid and vapor phases cannot coexist in equilibrium. 液相和气相不能在平衡中共存。
- The vapor phase concentration of durene could be adjusted by the self-made adjustor. 自制的高熔点物料气相浓度调控仪能很好地调控气相中均四甲苯的浓度,具有推广应用价值。
- The first step for removing vapor is to orient the package to access the vapor phase of the product. 提取蒸气的第一步是调整钢瓶的方位,使可以接触产品的气相。
- High quality GaN film was grown by hydride vapor phase epitaxy(HVPE) using porous AAO as mask. 采用均匀的多孔阳极氧化铝做掩膜在氢化物气相外延设备中生长出高质量的氮化镓膜。
- The esterification process of Fmoc-Asn(Trt)-OH and Wang resin was studied by solid phase synthesis. 研究了Fmoc-Asn(Trt)-OH与Wang树脂的酯化反应工艺。
- Single crystal MTN has been synthesized by vapor phase transport route(VPT) using n-propylamine as a new template. 采用蒸气相合成法,以正丙胺作为笼形类沸石材料MTN合成的新模板剂,合成出MTN单晶。
- There are mainly two methods to prepare nano sized titania, uch as vapor phase process and liquid phase process. 纳米钛白的制备方法大致可分为两类,即气相法和液相法,而液相法是研究的重点和热点。
- We have also developed different solution phase synthesis methodologies to meet customers requirements for peptides in commercial scale. 我们还开发出不同的固相合成方法以满足商业级别的多肽需求。
- Abstract In this paper a review on solid phase synthesis of small molecule libraries with heterocycle structrure is presented. 摘要本文综述了近年来关于含杂环小分子库固相合成的研究进展。
- Objective: To determine content of guajacolum in bamboo juice with vapor phase chromatography(VPC) as the quality control target of bamboo juice. 目的:通过用气相色谱测定鲜竹沥中愈创木酚的含量,作为鲜竹沥的质量考核指标。
- This paper with 29 references reviewed the design, synthesis and applications of organosilyl linkers in solid phase synthesis within 26. 固相合成方法具有传统液相反应无可比拟的优越性,已被越来越多的化学家认可。
- A kind of CrF 3 based catalyst for HHFC 134a preparation by reacting HFC 133a with AHF via vapor phase fluorination is reported. 报道了一种由HCFC 133a与AHF经气相催化氟化制备HFC 134a的CrF3 基催化剂。
- This paper with 29 references reviewed the design, synthesis and applications of organosily1 linkers in solid phase synthesis within 26 years. 本文从直接法和间接法两方面综述了26年来具有代表性的多种有机矽连接体的设计、制备及其在固相有机合成中的应用。
- Comprehensive survey of vapor phase inhibitors both at home and abroad is given. The application of VPI and the research trend are discussed. 介绍了国内外的气相缓蚀剂技术发展概况,阐述了气相缓蚀剂技术的应用形式,展望了该技术领域内的研究方向。
- Objective Comprehensive review of the previously published applications of NMR technique in solid phase synthesis was presented. 目的介绍近年来NMR技术在固相合成中的应用情况及进展。
- Liquid phase codeposition method and solid phase synthesis are adopted separately to prepare far-infrared radiating ceramic powders in this study. 本研究分别采用固相合成法和液相共沉淀法制备远红外陶瓷粉体。