离子对

Therefore, the effects of ionic strengthof eluents and sample concentration on the molecular weight determination of acidicpolysaccharides and neutral polysaccharides were investigated in HPGPC(Ultrahydroge〓 column) for the first time. Meanwhile, the chromatographiccondition for molecular weight determination of polysaccharides by HPGPC wasoptimized with Dextran series as standards to perform calibration plot.

为此，我们首次采用HPGPC(Ultrahydrogel〓柱)探讨了流动相的离子强度以及样品浓度对中性多糖和酸性多糖分子量测定结果的影响，并对HPGPC测定多糖分子量的条件进行了优化。

The physiology andbiochemical mechanism of high temperature on Rosa chinensis var floribunda and thetreatment of Ca~(2+),and Salicylic acid on Rosa chinensis var floribunda under hightemperature stress were also discussed.

同时探讨了钙离子、水杨酸处理对丰花月季品种曼海母在高温胁迫下抗氧化酶活性和抗氧化剂含量的影响，初步探明了这些处理对丰花月季耐热性诱导的生理机制。

The DLC film deposited at substrate temperature of 100癈 shows the best integrated property with carbon content of sp3 (sp 3C) bonding state up to 40% which is two times more than that in the films prepared by Americans with the same method. Accordingly, the microhardness is up to 30Gpa, and friction coefficient and optical band gap decrease to 0.10 and 1.76eV respectively.

在HIPIB轰击材料表面方面，本文选择成分由C~(30％)和H~+(70％)组成、加速电压为250KV、脉冲宽度为80～100ns的HIPIB对高速钢(W6Mo5Cr4V2)进行表面辐照处理，研究离子束流密度和脉冲次数对高速钢微观结构和宏观性能的影响，探讨了HIPIB与材料表面相互作用的物理机制。

Could be used as an efficient biosorbent for removal of heavy metal ions from aqueous solution and that the process was strongly affected by pH.

研究发现，溶液pH值对吸附过程有较大影响，最佳吸附pH值在5.5附近；最佳吸附温度为25～35℃；溶液浓度在10～500mg·L^-1范围内，固定化简青霉菌对重金属的吸附随金属离子浓度的增加而增加；吸附过程符合Langmuir等温吸附模型；生物吸附平衡时间约为60min。

The photophysical property of the complex is investigated by means of IR spectra, Raman spectrum and laser excited, high-resolved luminescence spectra which indicates one kind of Eu site with local symmetry of C 2v in the complex.

合成了植物生长素对氯苯氧乙酸和 1，10 邻菲罗林与铕的三元配合物Eu 3·Phen 。对所合成化合物进行了元素分析和热谱分析。通过测定配合物的红外光谱、拉曼光谱和激光激发高分辨荧光光谱研究了配合物的光物理性质。荧光光谱表明配合物中Eu离子只具有一种化学环境，Eu格位的局部对称性是C2v

Based on mineralogical study of montmorillonite, illite and kaolinite, a study of interaction characteristics and mechanism between these clay minerals and metal cations has been conducted and discussed in this paper.

本文在对某些蒙脱石、伊利石、高岭石系统矿物学研究的基础上，对它们与金属离子间的作用特征及机理进行了研究，主要包括以下几个方面

The chemical structure, thermal properties and liquid crystalline character of liquid crystalline ionomers were analyzed with FT-IR, POM, DSC and WAXD, the result shows the ionomers have the same structures-nematic texture-with the previous polymers before ion monomer was added.

利用红外光谱分析对其结构进行了表征，采用偏光显微镜、示差扫描量热仪和广角X射线衍射等手段对其液晶性能进行了表征。结果表明：各离聚物与原没有加入离子单体的聚合物具有相同的织构，均为向列型液晶。

In addition, Ca〓 ionophore A〓 impeded pollen germination and tube growth.

此外，Ca〓载离子体A〓亦抑制花粉萌发和花粉管生长，但与Verapamil和Co〓的效应不同，花粉管生长过程对A〓比花粉萌发敏感得多，表明花粉管中Ca〓极性分布对花粉管生长的重要性。

The damage of these parts are mainly caused by surface wear, so it is necessary to study the principle of malleable iron wear, find the way to improve anti-wear properties of its surface.

本文通过对辉光离子氮化处理前后的可锻铸铁滑动(干燥条件下和润滑条件下)磨损实验，探讨了摩擦压力、摩擦速度，润滑条件等因素对磨损性能的影响。

While Anhui Bayi Chemical Industry Group Co., Ltd. possesses the only production device of para-aminophenol by hydrogenation with independent intellectual property. Its product is with high quality and doesn't contain metal ion basically. The high quality paracetamol produced from it can be made directly into preparation products with high additional values, which has high competitive capacity and will definitely eliminate the paracetamol produced from para-aminophenol by the reduction of ferrous powder. The market prospect is wide.

而安徽八一化工集团有限公司拥有国内唯一的具有自主知识产权的加氢法对氨基苯酚生产装置，其产品质量好，基本不含金属离子，用其生产高品质扑热息痛可直接制成高附加值的制剂产品，因此极具竞争力，必将淘汰由铁粉还原法对氨基苯酚生产的扑热息痛，具有广阔的市场前景。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐