The synthetic thickening agent of acrylic copolymers of different formulation was prepared by using semi-continuous emulsion process. 用半连续乳液聚合法制备不同配方的丙烯酸类合成增稠剂,进行了性能测试和流变性研究。
A pure acrylic emulsion with "soft core and hard shell" core-shell structure has been prepared by seed emulsion polymerization in semi-continuous process. 本实验以甲基丙烯酸甲酯、丙烯酸丁酯和丙烯酸为主要原料,利用乳液聚合方法,制备了一种涂料用的纯丙乳胶。
Studies on the Morphological Development of Latex Particles in Semi-continuous Emulsion Polymerization Process; Determination of Baicalin in Shuanghuanglian Nanoparticles Powder for Injection by HPLC 半连续乳液聚合乳胶粒形态演化研究高效液相色谱法测定双黄连聚乳酸纳米粉针中黄芩苷含量
Improvement of Surface Quality of Round Al Alloy Billets Cast by Semi-continuous Horizontal Process 铝及铝合金水平半连续铸造圆锭表面质量的改善
Nano emulsion is prepared by semi-continuous emulsion polymerization process with styrene and butyl acrylate as hard monomer and soft monomer respectively. 探讨了苯乙烯和丙烯酸丁酯分别作为硬单体和软单体,用半连续乳液聚合工艺制备纳米苯丙乳液的条件;
The mill technical level of the factory was promoted up a Iarge height with use of semi-continuous rolling process. 采用半连续式轧制工艺使该厂小型轧机技术装备水平上了一个大台阶。
The near-liquidus semi-continuous casting ( LSC) process was used in casting ZL201 alloy. 采用近液相线半连续铸造的方法制备了ZL201铝合金半固态锭坯。
The morphology and molecular structure of acrylate emulsion tri-copolymer prepared by both semi-continuous and batch process were: studied. 研究了半连续和间歇式丙烯酸酯三元乳液共聚产物的形态和分子结构。
This paper reviews several industrial processes of ethyl silicate, and presents new semi-continuous process. 综述了硅酸乙酯几种工业生产工艺,对其特点进行了评述,并介绍了作者开发的半连续化生产新工艺。
Based on the quality increase of casting products considering the process control of aluminium casting, process control of semi-continuous DC casting has been emphasized, and it also pointed out the casting process control is very important to increase the quality of casting products. 从提高熔铸产品质量的角度出发,结合铝合金铸造工艺过程,着重介绍了半连续铸造的工艺过程控制,指出了铸造过程控制对提高熔铸产品质量的重要性。
The solute elements content of super high strength aluminum alloys is very high and the semi-continuous casting is a non-equilibrium process of solidification. So it is inevitable that solute elements aggregate to grain boundaries, at which phase constituents form. 超高强铝合金溶质元素含量高,半连续铸铸造又是一个非平衡凝固过程,凝固过程中不可避免会产生溶质元素向晶界聚集,从而在晶界形成结晶相。
During the semi-continuous casting of aluminum alloy by CREM process, the distribution of magnetic flux density vector in space and melt; 数值模拟了CREM法半连续铸造铝合金过程中,磁感应强度在空间和结晶器内部的分布;
The acrylate emulsion with carboxyl group is prepared through a semi-continuous and pre-emulsification polymerization process. 采用半连续预乳化乳液聚合工艺,合成了含羧基的丙烯酸酯乳液。
An effective method for Copolymer Composition Control in emulsion polymerization is employing semi-continuous process. 采用半连续操作是控制乳液共聚物组成的有效方法。
Discussion on factors influencing BHET production and quality with PTA semi-continuous process 影响PTA半连续生产BHET产质量几个因素的探讨
During aluminium alloy semi-continuous casting, the effects of casting process parameter, casting type, ingot type and alloy property on up-steam conducting distance are analysed and discussed. 分析和讨论了铝合金半连续铸造时铸造工艺参数、铸造方式、铸锭类型和合金性质对逆流导热距离UCD值的影响。
The ingots manufactured by conventional HDC and low frequency electromagnetic HDC casting were compared. Improvement of Surface Quality of Round Al Alloy Billets Cast by Semi-continuous Horizontal Process 将使用传统水平半连续铸造生产出的铸锭与低频电磁水平半连续铸造生产的铸锭进行了比较。铝及铝合金水平半连续铸造圆锭表面质量的改善
The title emulsion has been synthesized by use of semi-continuous pre-emulsifying core-shell emulsion polymerization process. Factors that influence the emulsion properties are studied. 采用半连续预乳化核壳乳液聚合工艺合成了有机硅改性共聚乳液,研究了影响乳液性能的几种因素。
Among all hydrogen isotope separation technologies, Thermal Cycling Absorption Process ( TCAP), a semi-continuous hydrogen isotope separation process, is of many unique advantages. 热循环吸附工艺(TCAP)是一种半连续的氢同位素分离方法,在分离氢同位素方面有许多独特的优越性。
Butyl Acrylate ( BA)-Vinyl acetate ( VAc)-Maleic anhydride ( MA) emulsion copolymerized adhesive for polyolefin laminated films by semi-continuous process was developed. 用半连续法合成了用于制备聚烯烃复合薄膜的醋酸乙烯(VAc)丙烯酸酯(BA)马来酸酐(MA)共聚水乳型粘合剂。
Semi-continuous casting which relates to dynamic solidification process is the most popular casting way these days. It involves many nonlinear factors including geometry nonlinear and material nonlinear. 半连续铸造是目前最常用的一种铸造方式,其过程是一个复杂的动态凝固过程,包含几何非线性、材料非线性等众多非线性因素。
Since the main pyrolysis range of biomass and coal are vast different, and the heating rate is too slow, no evidence of synergistic effects was found for the test samples in the semi-continuous liquefaction process. 发现由于煤和生物质热解温度范围不同,加之升温速率较低,在半连续液化设备中混合液化没有发生协同效应。
With the same NB content, the semi-continuous process produces a uniform composition, while the batch process yields broad CCD. 对于相同的NB含量,半连续法制备的样品组成均匀,而间歇法制备的样品CCD较宽。
Semi-continuous Casting is one of the most important casting techniques in nonferrous-alloy production. It can make the production automatic; simplify the process flow, save energy and raise labor productivity, so it plays great role in modern metallurgy production and be seen important extensively. 半连续铸造是有色合金工业生产中最重要的铸造工艺之一,它能够实现生产过程自动化、简化工艺流程、节约能源、提高劳动生产率,在现代冶金生产中占有重要的地位并受到广泛的重视。
The large scale aluminum ingots with high alloying components were prone to generating crack in the semi-continuous casting process. 高合金成分大规格尺寸的铸锭在铸造过程中,往往容易产生裂纹缺陷。