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- At point e, the substance is wholly in the vapor phase. 到e點(diǎn)時(shí)，物質(zhì)全部變?yōu)闅庀唷?/li>
- Compatible with infrared and vapor phase reflow solder process. 適用于回流焊接工藝。
- The flame retardants containing bromine or chlorine also decompose when the polymer decomposes to form volatile combustibles. The halogen escapes with the volatile combustibles and acts in the vapor phase to inhibit flaming combustion. 在聚合物分解時(shí),含有溴或氯的阻燃劑也會(huì )分解成可燃性氣體,鹵素也與可燃性氣體一起釋放出,它在氣態(tài)時(shí)會(huì )阻止燃燒。
- vapor phase polymerization 氣相聚合
- Liquid and vapor phases cannot coexist in equilibrium. 液相和氣相不能在平衡中共存。
- The vapor phase concentration of durene could be adjusted by the self-made adjustor. 自制的高熔點(diǎn)物料氣相濃度調控儀能很好地調控氣相中均四甲苯的濃度，具有推廣應用價(jià)值。
- The first step for removing vapor is to orient the package to access the vapor phase of the product. 提取蒸氣的第一步是調整鋼瓶的方位，使可以接觸產(chǎn)品的氣相。
- The polymer of maleic acid was first prepared by water phase polymerization with maleic anhydride,and then esterified with cetric acid to form durable press finishing agent. 采用馬來(lái)酸酐水相聚合生成聚馬來(lái)酸酐,然后與檸檬酸酯化合成可固化的印染助劑聚多元羧酸酯。
- High quality GaN film was grown by hydride vapor phase epitaxy(HVPE) using porous AAO as mask. 采用均勻的多孔陽(yáng)極氧化鋁做掩膜在氫化物氣相外延設備中生長(cháng)出高質(zhì)量的氮化鎵膜。
- Single crystal MTN has been synthesized by vapor phase transport route(VPT) using n-propylamine as a new template. 采用蒸氣相合成法,以正丙胺作為籠形類(lèi)沸石材料MTN合成的新模板劑,合成出MTN單晶。
- There are mainly two methods to prepare nano sized titania, uch as vapor phase process and liquid phase process. 納米鈦白的制備方法大致可分為兩類(lèi),即氣相法和液相法,而液相法是研究的重點(diǎn)和熱點(diǎn)。
- Objective: To determine content of guajacolum in bamboo juice with vapor phase chromatography(VPC) as the quality control target of bamboo juice. 目的:通過(guò)用氣相色譜測定鮮竹瀝中愈創(chuàng )木酚的含量,作為鮮竹瀝的質(zhì)量考核指標。
- In gas phase polymerization fluidized-bed reactor (FBR), polymerization rate, devolatilization rate, cost of post-treament after polymeric process and polymer properties may be affected by polymer particle size distribution. 氣相法流化床聚乙烯生產(chǎn)過(guò)程中,聚乙烯顆粒粒徑分布影響聚合速率、脫揮速率、后處理工序生產(chǎn)成本和最終的聚乙烯物性。
- A kind of CrF 3 based catalyst for HHFC 134a preparation by reacting HFC 133a with AHF via vapor phase fluorination is reported. 報道了一種由HCFC 133a與AHF經(jīng)氣相催化氟化制備HFC 134a的CrF3 基催化劑。
- 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. 制備并考察了甲醇甲基化法合成2,3,5-三甲基苯酚的固體酸催化劑,進(jìn)行了甲基化反應工藝條件的優(yōu)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. 介紹了國內外的氣相緩蝕劑技術(shù)發(fā)展概況,闡述了氣相緩蝕劑技術(shù)的應用形式,展望了該技術(shù)領(lǐng)域內的研究方向。
- At last, the analysis methods of soil mercury forms and emission flux of vapor phase of mercury from soil are discussed. 最后，還介紹了土壤汞形態(tài)的分析方法以及土壤揮發(fā)性汞釋放通量的測量方法。
- A cloud is a mass of vapor in the sky. 云是天空中的水汽團。
- Structural properties of epitaxially laterally overgrown (ELO) GaN on patterned GaN "substrates" by hydride vapor phase epitaxy (HVPE) have been investigated. 研究了在刻有圖形的GaN“襯底”上用HVPE方法側向外延生長(cháng) (ELO)GaN的結構特性。
- This paper deals with the application of a Ni/C catalyst to the reaction for synthetising propionic acid and ethyl propionic by vapor phase carbonylation of ethanol. 研究了負載在活性炭上的鎳催化劑在乙醇氣相羰化合成丙酸及丙酸乙酯反應中的應用，考察了各種影響反應的因素。
