阳离子的

One of the most important breakthroughs in cationic polymerization in 1980s is perhaps the discovery of living cationic polymerization.

摘 要：在80年代，阳离子聚合研究的一个最重要突破可能就是活性阳离子聚合。

In this Ph. D. dissertation, reverse microemulsion method was fully used infabricating and modifying polyacrylamide with functional and high-relative moleculeweight. The copolymerization of 2-acrylamide-2-methylpxopanesulfonic acid, fluorescent monomer 4-methoxy-N-(2-N\', N\'-dimethylamino ethyl)naphthalimide alkyl chloride quaternary ammonium salt, fluorescentmonomer 4-(N\'-methyl-1-piperazinylallyl)-N-butyl-naphthalimide chloride quaternaryammonium salt, Cationic monomer dimethylethylammonium bromide and hydrophobical monomer octadecylacrylate with acrylamide and properties of the copolymers werestudied. The interaction between five polymers and Al_2O_3(012) crystal surface have beensimulated by Materials Studio 3.0 program package, binding energies and non-bondinteraction energies and deformation energies have also been acquired.

本文以制备具有较高相对分子质量和功能型PAM为研究目的，将反相微乳液法运用到其制备及改性的有关环节，通过反相微乳液聚合工艺，将几种改性功能单体2-丙烯酰胺基-2-甲基-丙磺酸、荧光单体2-(4-甲氧基-1，8-萘二甲酰亚胺基)-乙基二甲基烯丙基氯化铵、荧光单体4-(N'-甲基-1-哌嗪基)-N-丁基-1，8-萘烯丙氯季铵盐、阳离子单体丙烯酰氧乙基-二甲基-乙基溴化铵和疏水单体丙烯酸十八酯与AM共聚，制备AMPS改性PAM、荧光示踪型PAM、阳离子单体DMB改性PAM和OA改性PAM等四类不同功能单体改性PAM，并研究其应用性能。

The cationic guar was synthesized and the rheological behavior of aqueous solutions of CG in the presence of sodium dodecyl sulfate was studied in detail.

中文摘要合成了阳离子瓜尔胶，研究了阳离子瓜儿胶水溶液在十二烷基硫酸钠存在条件下的流变行为。

Cationic etherifying agent is an important agent to etherify natural polymers such as starch.

阳离子醚化剂是淀粉等天然高分子进行阳离子改性的重要单体。

So that, it has significance to study the interaction between heteropoly acid and HSA.

第三部分：阳离子表面活性剂因具有优良的特性而广泛应用，研究阳离子表面活性剂光谱特性具有重要意义。

Common condensation compounds appear hooped, with the size of 50~300nm.

常用的多价阳离子包括阳离子聚合物，蛋白质，高价无机离子等。

Methods BALB/c nude mice were subcutaneously transplanted with SCG-7901 tumor cells, then the mice were randomly divided into antisense oligonucleotide group, sense oligonucleotide group and the control group. The HIF-1α ASOND complexed with cationic liposome, HIF-1α SOND complexed with cationic liposome and liposome were injected intra-tumorally in the above groups, respectively.

用人胃癌细胞株SCG-7901建立胃癌裸鼠皮下移植瘤模型，将荷瘤裸鼠随机分为反义寡核苷酸组、正义寡核苷酸组和对照组，瘤体内分别注射阳离子脂质体包裹的HIF-1αASOND、HIF-1αSOND和空白阳离子脂质体。

The latter Cu site is coordinated by two N atoms from an en ligand and by three cyanides in a distorted square-pyramidal environment.

它们的不对称单元由两个〓阳离子（占有率0.5），一个〓阳离子，和一个〓阴离子，以及四个水分子。

The amount of Na(superscript +), NH4(superscript +), K(superscript +), Mg(superscript 2+), Ca(superscript 2+), Zn(superscript 2+) in fruits and juice (sports water, green tea , pear juice, carrot juice and carrot and orange juice) were respectively separated and detected by non-suppressed ion chromatography. And pyridine-2, 6-dicarbexylic was used as mobile phase to separated monovalent cations and pyridine-2, 6-dicarbexylic-ethylenedi-amine-oxalic acid was used as mobile phase to separated divalent cations.

采用非抑制型离子色谱法测定了水果以及饮料（运动型饮料、绿茶、水蜜桃汁、胡萝卜汁和胡萝卜橙汁）中Na、NH4、K、Mg(上标 2+)、Ca(上标 2+)、Zn(上标 2+)的含量，其中一价阳离子以吡啶－2，6-二羧酸为淋洗液测定，二价阳离子以吡啶－2，6-二羧酸+乙二胺+草酸为淋洗液测定。

The amount of Na+, NH4+, K+, Mg2+, Ca2+, Zn2+ in fruits and juice (sports water, green tea , pear juice, carrot juice and carrot and orange juice) were respectively separated and detected by non-suppressed ion chromatography.

采用非抑制型离子色谱法测定了水果以及饮料(运动型饮料、绿茶、水蜜桃汁、胡萝卜汁和胡萝卜橙汁)中Na+、NH4+、K+、Mg2+、Ca2+、Zn2+的含量，其中一价阳离子以吡啶-2，6-二羧酸为淋洗液测定，二价阳离子以吡啶-2，6-二羧酸+乙二胺+草酸为淋洗液测定。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。