共蒸餾 的英文怎麼說
中文拼音 [gòngzhēngliù]
共蒸餾
英文
codistillation-
34 chemical constituents of the essential oil from cortex cercis chinensis were separated and identified by gc - ms. the relative contents of them were determined by area nomaliation
摘要採用水蒸氣蒸餾法從紫荊皮中提取揮發油，用氣相色譜質譜聯用技術對其揮發油成分進行分析，共鑒定了34個成分，並用面積歸一化法確定各成分的相對百分含量。Azeotropic distillation stage and dehydration with alcohols can prepare nanocry stalline powders with extremely small crystallite size ( 40nm )
共沸蒸餾乾燥法和無水乙醇置換乾燥法均能制備50nmal _ 2o _ 3粉體。Azeotropic distillation column condenser
共沸蒸餾塔冷凝器Azeotropic distillation column reboiler
共沸蒸餾塔再沸器Carbonaceous materials for the production of aluminium. pitch for electrodes. determination of weter content. azeotopic distillation dean and stark method
鋁生產用碳質材料.電極用瀝青.水分測定.共沸蒸餾法The ordered and micro - phase structures of the molecular of pu materials are decided directly by its synthesis technology, composition and other materials compounded with it, and they will influence the possessive properties of pu materials. in this paper, general studies on pu have been carried out by the methods of controlling the prepolymerize technology, taking off dissociative tdi from prepolymer through decompress boiling distilling technology, polymerized in - situ with nano - particles and interpenetrated with ps, the relationship between properties and structure of pu / omt, pu / sio2 nano - composites and pu / ps ipns were characterized by ftir, dmta, tem andtga
本文用控制預聚體反應中單體的摩爾比、減壓共沸蒸餾去除預聚體中游離tdi 、用納米填料參與聚氨酯原位復合和與聚苯乙烯進行互貫等方法，合成了聚氨酯蒙脫土納米復合材料、聚氨酯sio _ 2納米復合材料和兩步法合成的基於聚醚（ ppg ）和聚酯（ 3010 ）的聚氨酯苯乙烯互穿網路聚合物材料，研究了其性能；運用ftir 、 dmta 、 tem 、 tga等表徵手段，對復合材料的結構進行了研究。Theory calculation and derivation demonstrate that the heat conduction of membrane exerts little influence on performance. the characteristics of mass transfer through membrane are mixed flow including knudsen flow and poiseuille flow, which moreover, vary with operational variables
理論推導與計算表明：膜的導熱性對真空膜蒸餾過程的影響可以忽略，膜蒸餾過程膜內質量傳輸機制是努森流與粘性流共同作用的混合流機制。The results indicated : the mechanical properties of pu prepared by added eg in a two - step process in prepolymerization technology were better than that of one - step process, its tg shifted 6 towards high temperatures ; the tan peak of pu material at low temperature disappeared through decompress boiling distilling technology
結果表明，採用預聚體工藝並且分步加入eg所制備的聚氨酯彈性體具有較好的力學性能，玻璃化溫度向高溫方向偏移了6 ；採用減壓共沸蒸餾工藝制備的聚氨酯材料在低溫區的tan峰消失。Wang, s. j. and e. k. lee, 2002, “ nonlinear control of a high - purity heat - integrated distillation system ”, journal of chemical engineering, 35 ( 9 ), 848
王聖潔與李恩各， 1999 ， 「異丙醇/水/環己烷共沸蒸餾系統之設計與線上控制」 ，觸媒與製程， 70 （ 1 ） ， 90The results show that all of them have little different effect on the crystalline size of ultrafine powder of a - ahc ^, but they have greatly different effect on the secondary partical size. the azeotropic distillation is the most effective processing, it can prevent the formation of hard agglomerates and improve the sinter - ability of powder. the mechanism of drying stages preventing the formation of hard agglomerates has investigated
研究了三種不同的乾燥方法（直接乾燥法、酒精置換乾燥法和共沸蒸餾乾燥法）對粉體性能的影響。實驗表明三種乾燥方法對- al _ 2o _ 3粉體的一次粒徑的差別性影響不顯著，而對其二次粒徑的差別性影響則很顯著。Surface active agents and soaps - determination of water content - azeotropic distillation method
表面活性劑和肥皂含水量的測定共沸蒸餾法Bitumen and bituminous binders - determination of water content in bitumen emulsions - azeotropic distillation method
瀝青和硬瀝青粘合劑.乳化瀝青中水含量的測定.共沸蒸餾法Bitumen and bituminous binders - determination of water content in bitumen emulsions - azeotropic distillation method ; german version en 1428 : 1999
瀝青和瀝青粘合劑.瀝青乳液中水含量的測定.共沸蒸餾A liquid mixture of two or more substances that retains the same composition in the vapor state as in the liquid state when distilled or partially evaporated under a certain pressure
共沸混合物兩種或多種物質組成的液體混合物，當在某種壓力下被蒸餾或局部汽化時，在氣體狀態下和在液體狀態下保留相同的物質的成分分享友人