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- Test Standard for Electromechanical Components - Environmental Effects of Machine Soldering Using a Vapor Phase System 机电件的试验标准。用气相系统机械焊接的环境效应
- 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。
- The cimpany mainly has SG,SGM standard series and SGQ,SGX,SGZ vapor phase, system and full-auto and other series nonstandard ultrasonic cleaning instrument. 公司产品主要有SG、SGM标准系列SGQ、SGX、SGZ汽相、系统、全自等系列非标的清洗设备。
- vapor phase system 汽相系统
- The intermediate lavers between diamond films and non-diamond substrates.in di-amond film system grown with low pressure vapor phase methods,have been studied by interfaceenergy theory. 应用界面能量理论，研究了非金刚石衬底低压气相生长金刚石薄膜中的过渡层问题。
- Its advantages are high speed and precision especially in multi phase system. 它在多组份，尤其是多相系统中具有计算速度快、精度高等优点。
- 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。
- The aging or denaturalization can not happen in the CSP when phase system was transformed, so it has some stability. 所制备的CSP在相体系转化时不发生老化和变性,显示了一定的稳定性。
- 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。
- Using the nonminimum phase system parameter model transformation of the model for the controller design. 采用了非最小相位系统参数模型转换为参数模型的控制器的设计。
- 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。
- For a non-minimum phase system, the interaction of the system is viewed as measurable disturbance and decoupled using feedforward strategy. 针对非最小相位系统，将系统的耦合作用视为可测干扰，采用前馈方法予以消除。
- The relationship between aqueous two phase system (ATPS) and liquid crystal (LC) of cationic and anionic surfactants mixture was studied. 研究了正离子表面活性剂CTAB与负离子表面活性剂SDS混合系统的双水相(ATPS)与液晶(LC)结构的关系。
- 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。
- 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。
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
