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- vapor phase diffusion heat exc hange 气相扩散热交换法
- vapor phase diffusion 汽相扩散
- 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。
- Otherwise,the oxidation rate of felt base carbon/carbon composites is influenced by the carbon/carbon composite surface reaction rate,the gas phase diffusion aud the catalysts. 另一方面，毡基碳/碳复合材料的氧化速度主要受该材料的表面反应、气体扩散、催化剂等因素的影响。
- 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。
- The method of transient liquid phase diffusion bonding(TLP-DB) was widely applied in the advanced materials bonding fields because of its unique characteristic advantage. 瞬间液相扩散连接(TLP-DB)方法以其独有的性能优势,在先进材料连接领域得到广泛的重视和应用。
- 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 method of transient liquid phase diffusion bonding (TLP-DB) was widely applied in the advanced materials bonding fields because of its unique characteristic advantage. 摘要瞬间液相扩散连接(TLP-DB)方法以其独有的性能优势，在先进材料连接领域得到广泛的重视和应用。
- 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。
- 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。
- 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。
- Two types of radial GRIN rods 7mm and 10mm in diameter respectively, have been prepared by liquid phase diffusion copolymeri- zation of two binary monomer systems: DAIP-MMA and DAP-MMA. They both possess fine light-focusing properties. 本文用液相扩散共聚法制备DAIP-MMA和DAP-MMA两种二元共聚物径向梯度棒,制得了直径为7mm的DAIP-MMA径向梯度棒和直径为11mm的DAP-MMA径向梯度棒。
- 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。
- 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。
- At last, the analysis methods of soil mercury forms and emission flux of vapor phase of mercury from soil are discussed. 最后，还介绍了土壤汞形态的分析方法以及土壤挥发性汞释放通量的测量方法。
- A cloud is a mass of vapor in the sky. 云是天空中的水汽团。
