In this research, Styrene, butyl acrylate, acrylamide and diallyldimethyl ammonium chloride were chosen to prepare cationic Styrene acrylate emulsion, and the effect of mass ratio of monomers, mass fraction of initiator, emulsifier and total monomers, temperature, feeding methods, isopropanol and the kind of monomer on monomer conversion, cationic charge density.
本研究选用苯乙烯(St)、丙烯酸丁酯(BA)、丙烯酰胺(AM)、二甲基二烯丙基氯化铵(DADMAC)为单体,合成了四元阳离子型苯丙乳液,并研究了单体比例、单体质量浓度、引发剂用量、乳化剂用量、反应温度、加料方式、异丙醇和单体种类对单体的转化率、乳液阳电荷密度、聚合物乳胶粒子的粒径大小、分布及乳液性能的影响。
A positive electric charge.
正电正电荷，阳电荷
Amino acids are positively charged (cationic) at low pH and negatively charged (anionic)at high pH.
氨基酸在低ph值下带正电荷(阳离子),在高ph值下带负电荷(阴离子)。
The electric field in the beam of sunlight sets the electric charges in the molecule in vibration.
太阳光束中电场使这一分子内的电荷振动。
Relating to or designating electric charge of a sign opposite to that of an electron.
正电的与电子所带电性相反的电荷的，表示正电的或阳性的
The application and benifit analysis about power load management system in Anyang Power Supply Company;
安阳供电公司负荷管理系统应用效益分析
A negatively charged ion, especially the ion that migrates to an anode in electrolysis.
阴离子带负电荷的离子，尤指在电解过程中游离到阳极的阴离子
An ion or group of ions having a positive charge and characteristically moving toward the negative electrode in electrolysis.
阳离子带有正电荷的一个或一群离子，特点为在电解中向阴极运动
cation:an ion or group of ions having a positive charge and characteristically moving toward the negative electrode in electrolysis.
阳离子:带有正电荷的一个或一群离子,特点为在电解中向阴极运动。
Study on Preparation of Cationic/Amphoteric Polyelctrotyles with High Charge Density by Hofmann Reaction;
Hofmann反应法制备高电荷密度阳离子型/两性型聚电解质的研究
INTERACTION OF COLLOIDAL ELECTRICAL DOUBLE LAYERS AND SIMULTANEOUS ADSORPTION OF CATIONS AND ANIONS IN VARIABLE CHARGE SOILS
可变电荷土壤中胶粒双电层的相互作用与阴阳离子同时吸附
Ion： Atom or group of atoms with one or more positive or negative electric charges.
离子:带有一个或多个正电荷(阳离子)或负电荷(阴离子)的原子或原子团。
space-charge cloud
空间电荷云，容积电荷云
Electrical positives attract electrical negatives.
正电荷吸引负电荷。
It traps charges, lowering the voltage on the ionosphere, and on us.
它挡住了电荷（挡住了太阳风），使电离层的电压降低，也使我们身体上感应的电压降低。
Such "sun ship" would have a large enough surface area to carry the enormous number of solar cells necessary to move any appreciable load.
这种“太阳能飞艇”必须有很大的面积以携带大量的太阳能电池，这样才有可能运载可观的载荷。
The residual negative charge is balanced by cations between the chains which also serve to hold the chains together.
残余负电荷被链间阳离子所中和，这些阳离子也起将链联系到一起的作用。
When sunspots release their electrical energy, they shoot beams of negatively charged electrons into space, some of which escape into the earth's atmosphere.
当太阳黑子释放其电能时，它们带有负电荷的电子束射入太空，其中有一部进入地球的大气层。
An electron with a negative charge, as contrasted with a positron.
电子带有负电荷，与正电荷相反的电子