阳离子

The kinetics of catalytic synthesis of ethyl acetate using cation exchange membrane catalyst was studied.

摘 要：研究了以阳离子交换树脂为催化剂合成乙酸乙酯的动力学。

The effect of cationic comonomer methacryloyloxy ethyl trimethylammonium chloride on the rate of polymerization,the dissolvability of polymer in THF,the stability and pH value of methyl methacrylate/butyl acrylate/DMC soap-free emulsion were studied systematically.

研究了阳离子型共聚单体甲基丙烯酰氧乙基三甲基氯化铵的用量对甲基丙烯酸甲酯/丙烯酸丁酯/DMC 无皂乳液聚合速率、聚合物在THF中的溶解性、乳液稳定性及pH值的影响。

Ethyl tert-butyl ether can be produced by ethonol and isobutene catalyzed by acidic ion exchange resins.

乙基叔丁基醚一般由乙醇和异丁烯合成，以阳离子交换树脂为催化剂。

As to kaolinite, it is hydrogen bond that breaks, which provides the broken surface with permanent negative charge because of the isomorphic exchange of lattice ion.

2通过对工业淀粉进行氧化和醚化改性，制得了羧甲基淀粉、氧肟酸淀粉、阳离子淀粉和双醛淀粉。

Zeolite positive ions have three properties: exchangeability; absorbability, molecular sieve. Due to these properties, zeolite is widely used in practice.

沸石的阳离子交换性、吸附性、分子筛这三种特性构成了沸石应用领域广泛的物性基础。

Our company specializes in producing export polyester, T / C, T / R and stretch-type fabric products, there is a high wire Bao, Chiffon;, peach, Cardan Cashmere; satin, 5 satin, taffeta ; plain then, gabardine, cationic; polyester stretch fabric; T / R faille, T / R wool-like, T / R stretch fabric; T / C blended, T / C interwoven, T / C stretch, T / C high-end shirt fabrics; N / C interwoven, N / C stretch fabrics and so on.

本公司专业生产出口全涤、T/C、T/R和弹力类面料产品，有高丝宝、雪纺；水洗绒、桃皮绒、卡丹绒；色丁、五枚缎、塔夫绸；平纹呢、华达呢、阳离子；涤纶弹力面料；T/R罗缎、T/R仿毛、T/R弹力面料；T/C混纺、T/C交织、T/C弹力、T/C高档衬衫面料；N/C交织、N/C弹力等面料。

The ET reactions between ferrocene cation in DCE solution and ferrocyanide in aqueous solution, 7, 7, 8, 8-tetracyanoquinodimenthane radical anion in organic solution and ferricyanide in aqueous solution have been investigated on SECM controlled by the externally polarized potential.

以铁氰化钾/亚铁氰化钾为电对研究了亚铁氰化钾与二茂铁阳离子之间的电子转移反应以及铁氰化钾与TCNQ阴离子自由基之间的电子转移反应。

Sometimes, superparamagnetism or weak ferromagnetism can even be observed at room temperature.

一般认为这是当颗粒减小到纳米尺度后阳离子分布产生变化造成的。

Study on the floc size and structure of cationic organic polymers by using small-angle laser light scattering .

利用小角激光光散射研究阳离子有机高分子絮凝剂的絮体粒径和絮体结构。

Cationic PAM was added to promote the flocculation and improve the settlability of the floc.

投加阳离子PAM对絮体的形成、大小及分离性有帮助，但对COD的削减影响不大。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。