它由二甲苯混合物经结晶或沸石吸附分离制得。
It is separated from the xylene mixture by crystallization or zeolite adsorption.
这一方案填补了我国油气钻井用膜分离制氮装置的一项空白。
The programme fill a blank of the installment of the separating air and making nitrogen with membrane used in China's oil and gas drilling.
氨水与硫酸(SO3)进行中和反应,反应液经过真空蒸发、浓缩、结晶,再进行液固分离、干燥等工序制得产品。
Ammonia and sulfuric acid (SO3) in and the reaction liquid after vacuum evaporation, concentration, crystallization, and then to liquid-solid separation processes obtained dry product.
现代公司制企业最显著的特征是公司所有权与经营权相分离,由此导致了委托-代理关系的产生。
The prominent feature of modern publicly-owned corporation is separation of ownership and management, giving rise to principal-agent relationship.
通过对装置进行试验,分析了压力、温度、流量等因素对膜分离和变压吸附制得氧气纯度的影响,为装置的进一步改进提供了依据。
Trial use of the device helps analyze such factors as pressure, temperature, and discharge that will affect the purity of the oxygen, and provides proof of improvement.
电视行业制播分离的大幕已经拉开。
The curtain starts with separation of manufacture and broadcast.
它们的乙酸酯皂化制得相应的醇,通过高效精馏柱精馏使之分离得纯的香叶醇和橙花醇。
Saponification of the acetates produced the respective alcohols. Pure geraniol and nerol were separated by rectification on a highly efficient packed column.
难分离的混合邻、对氯甲苯经氧化可制得混合邻、对氯苯甲酸。
Chlorobenzoic acids can be synthesized by oxidation of mixed chlorotoluene which was difficult to separate.
从“两权分离”出发导出股份制财产是社会财产的论断,是马恩股份制理论的精髓部分。
The share system property inferred from two power separation is a judgment on social property forming the essence part of Marx Engels′ share system.
在乙醚溶液制得的聚苯乙烯次甲基锂与甲基丙烯酸甲酯反应不能分离出聚甲基丙烯酸甲酯及它的接枝共聚物。
Neither polymethylmethacrylate nor polymethylmethacrylate-grafted copolymer could be isolated by the reaction of polystyrene methylene lithium prepared in ether solution with methyl methacrylate.
现代抗生素的生产一般首先是通过澄清和溶剂萃取从发酵液中加以分离,在对萃取液进行真空蒸发制得。
Now, in general, the produce of antibiotic is firstly extracted by clarification and solvent, and is separated from fermentation liquid and at last do the vacuum evaporation of the liquid extraction.
以甘薯浆为原料,把从甘薯泡菜中分离得到的乳酸菌和啤酒酵母一起联合发酵,制得既有营养又有保健功能的格瓦斯饮料。
A healthy KbaC beverage using sweet potato pulps as raw material was produced by lactic acid bacteria and beer yeast which were isolated from the sweet potato pickles.
本文利用常温常规电镜制样方法和电子断层成像技术,体外对临床上分离得到的沙眼衣原体进行了研究。
The conventional Bio-TEM technologies together with the electron tomography were applied to study a strain of clinical isolated Chlamydia trachomatis.
另外,在印迹柱上分离了与萘普生结构相似的布洛芬、酮洛芬,这进一步证实了制得的-萘普生分子印迹聚合物的高度专一识别性能。
The effects of concentration of acetic acid in the mobile phase was studied and the polymers were able to separate naproxen from the structurally similar molecular such as ibuprofen and ketoprofen .
其次,土地所有权与使用权分离,实行一次性的土地批租制。
Secondly, separation of land ownership and right to use, one-off leasehold of land.
制氧行业中,空气分离设备在使用中稍有不慎便会引发爆炸事故,其后果是十分严重的,轻则设备受损,重则人员伤亡。
In the oxygen making, any careless use will cause explosion of the air separation equipment, whose consequence is extremely serious, either suffering injury or personnel casualty.
通过单因素实验,通过感官评定和涂抹性指标确定了涂抹型再制干酪的基本配方,并应用质地剖面分析(TPA)研究了脱脂乳粉、大豆分离蛋白、乳清粉和无水黄油对涂抹型再制干酪质地的影响。
This paper gave the formulation through sensory evaluation and spreadability and compared the effect of skim milk powder, soybean protein isolate, whey powder and butter on texture by TPA.
股份制企业的所有权与控制权分离源于股份制企业制度下的企业法人资产制度和股权自由交易的股票市场制度。
The separation of ownership and control of corporations lies on system for corporate asset, limited liabilities of stockholders and the system of stock market which equity exchange is free.
制氮设备依靠分子运动理论,由空气中分离富集氮气,中空纤维膜是其关键技术所在。
Nitrogen-production equipment, in accordance with molecule movement theory, is to separate and enrich nitrogen from air, and hollow fiber membrane is the key.
“制播分离”催生了民营电视制作机构的迅速崛起;
The separation of producing and broadcasting has given rise to a great many TV production agencies.
以不同前角刨刀切制两种杨木和柞木刨片,根据参数分离法,对其流变性能进行了测定和研究。
Rheological properties of the flakes of poplar and oak woods cut with knives of various rake angles were studied by applying the method of parameter separation.
文中介绍了TIPS法制备微孔膜的步骤、特点,从热力学平衡相图和动力学相分离两方面阐明了制膜原理;
The process and characteristics of TIPS were reviewed. The mechanism of membrane formation was explained with thermodynamic phase diagram and kinetics of phase separation.
制罐运输链是采用钻石链条公司ANSI60标准系列的链条,可装配带有柔性,可分离或不锈钢的运载销。
Diamond pin oven chains are built with Diamond standard series 60 pitch ANSI chain and are available with bendable, breakaway, or stainless steel carrier pins.
以公司制企业为主的现代企业的典型特征是所有权与经营权的分离。
ABSTRACT A typical characteristics of modern enterprises is the separation of ownership and management .
本实验室分离到一株具有产纤维素酶活性的菌株sw3,茶叶用SW3发酵并经一定的加工工艺,使制得的茶叶可以用冷水泡开。
The strain SW3 was screened which could produce cellulase, and the tea could make by the cold water that was fermented by SW3 and was manufactured by a certain processing technology.
选用乙基纤维素-聚乙烯-环己烷体系应用油相分离法,可制得含有固体漂白活化剂(BED)的微胶囊。
The solid bleach activator (BED) with in the microcapsule was manufactured, in the system of ethyl-cellulose-polyethlene-cyclohexane and using separative method in oil phase.
选用乙基纤维素-聚乙烯-环己烷体系应用油相分离法,可制得含有固体漂白活化剂(BED)的微胶囊。
The solid bleach activator (BED) with in the microcapsule was manufactured, in the system of ethyl-cellulose-polyethlene-cyclohexane and using separative method in oil phase.
应用推荐