化学吸附

Recently, crystal engineering of coordination polymer and supramolecular chemistry has become one of the particularly important and topical subjects, and also there are potential applications in the fields of medicine, absorption and selective catalysis, nonlinear optical and magnetic materials.

配位聚合物和超分子化学的晶体工程已成为近年来化学研究的热点领域之一，且在医药、吸附与选择性催化、非线性光学与磁性材料等方面显出潜在的应用价值。

Chelate fiber with amidoxime group,which is obtained from chemical modification of PAN fiber,is treated with mercury nitrate to prepare anion-exchange fiber.The optimum conditions of the anion-exchange fiber absorption of the thiocyanate ion,such as ion concentration,time,the pH value were studied.

以聚丙烯腈纤维进行NH2OH化学改性制得的含有偕胺肟基的螯合纤维为原料，经Hg(NO3)2化学处理，制得阴离子交换纤维；并以硫氰酸根离子为研究对象，系统地探讨和研究了阴离子交换纤维吸附硫氰酸根离子的最佳条件参数：离子浓度、时间、pH值等。

In this field, the absorption on solid surface is the indispensable step of heterogonous catalysis, and the most widely applied catalysis is the one of gas on solid.

据统计，世界上85%的化学制品要依靠催化反应制得，而催化与吸附关系密切，其中固体表面的吸附是多相催化的必经步骤，应用的最为广泛的是气固相的催化作用。

It was found that photochemical deposition of Hg occurred at the layer of TiO2 covering the surface of titanium electrode under UV irradiation, the adsorption of sulfadiazine on the photochemically deposited Hg was stronger than that on the electrochemically deposited Hg, and a method for the determination of sulfadiazine was proposed by the adsorptive stripping voltammetry based on photo-chemical deposition of Hg on Ti electrode.

该研究发现采用紫外光照射钛电极表面氧化钛层能够光催化还原Hg(上标致2+)生成Hg微粒，在Ti基电极上光化学沉积Hg比电化学沉积Hg对磺胺嘧啶具有更强的吸附作用，基于光化学沉积Hg/Ti电极建立了一种吸附溶出伏安法测定磺胺嘧啶的方法。

Methods:(1) Silica column chromatography and LH-20 were used in phytochemistry study.(2) Based on the extraction ratio of arctiin, the best extraction procedure was acheived under the direction of L9(34) orthogonal experimental design. From 10 types of resins, the one with the maximal binding ability for Arctii was selected and silica-column choramatograpy was used in its seperation and purification procedure.(3) The animal diabetic experimental model in Wistar rats was established with streptozotocin and many biochemical factors were used to indicate the pharmacological effects of arctiin, including glycosylated hemoglobin, serum creatinine, seralbumin, monoxide nitrogen, glycerin trilaurate, cholesterol, HDL-ch, LDL-ch, Blood urea nitrogen, creatinine, SOD, ET, MDA, total Urine protein and albuminuria.

(1)采用硅胶柱层析、聚酰胺层析、LH-20等方法对牛蒡子的化学成分进行研究；(2)采用正交实验设计方法，以牛蒡子苷为指标，确定了牛蒡子乙醇回流提取的最佳工艺；对10种类型大孔吸附树脂进行筛选，筛选出对牛蒡子苷吸附效果最佳的树脂；采用硅胶柱层析法，对牛蒡子苷进一步分离纯化；(3)建立实验性糖尿病大鼠模型，以GLU、TC、TG、HDL-ch、LDL-ch、TB、ALB、BUN、CREA、GHbAlc、NO、SOD、ET、MDA和尿液中TB、ALB为指标，研究牛蒡子苷药理活性；(4)以差速消化法纯化Wistar大鼠的主动脉内皮细胞并进行传代培养，测定牛蒡子苷对高糖条件下RAECs活性、RAECs释放LDH、MDA和NO的变化以及RAECs表达内皮型一氧化氮合酶表达的影响。

Bamboo charcoal able to sbsorb bad chemistry matter in the air, as chlorid, sulfid, formaldehyde, remove bad smelly and adjust humidity. If you but them into water, they also will adsorb aquatic chlorin and impurity.

这些微细的孔道具有超强的吸附能力，可以吸收空气中有害的化学物质如氯化物、硫化物、甲醛，除去臭气异味并可调节空气中的水分子，达到除溼和调湿的功能，若置於自来水中则可以吸附多馀的氯和杂质而使水质更加甘甜爽口。

Microporous molecular sieves, such as zeolites, are one of the most important porous materials, which have wide usage in ion-exchange, catalysis, gas adsorption and separation, and microreactors etc, benefited from their highly ordered pore structures and good physical or chemical performance.

微孔分子筛材料是无机多孔材料家族中的重要一员，由于它们具有规整的孔道结构和独特的性能而被广泛用于离子交换、催化、吸附、分离和化学微反应器等主客体化学领域。

In this paper, the flotation rule and behavior of kyanite一group polymor-phous minerals were studied in modified Hallimond tube in detail,Further-more, the energy change of collector/mineral systems before and after ad-sorption and the net charge densities of the atoms on the minerals surfaceswere calculated by use of quantum chemistry ,The flotability of the mine-rals was successfully explained.

进一步应用量子化学CNDO／2法计算了捕收剂在矿物上吸附的能量变化和矿物表面原子的电荷分布密度，并根据量子化学计算结果成功地解释了蓝晶石类同质异相矿物的浮选规律。

The interfacial chemistry, synergistic effects and interfacial kinetics of thesynergistic extraction system D_2EHPA-MPA-Fe~(3+) have been studied, where MPA is amono-alkyl phosphate extraction with long carbon chain. D_2EHPA in the mixed extractionsystem strongly exhibits the effect on the thermodynamics of micella formation and interfaceproperties of MPA. Some thermodynamic parameters of micella formation were obtained.The interfacial adsorption behaviour of D_2EHPA is opposite to that of MPA. Theemulsification for single MPA and the mixed system was discussed. The synergistic effectswere found in this mixed extraction system. It is proved that the process of Fe~(3+) extractionfor non-mixed extraction system is controlled by chemical reaction, the controlling reactionoccurs at the interface, and the reaction rate equation is obtained.

本文研究了协同萃取体系D_2EHPA—MPA—Fe~(3+的胶团形成热力学、界面特性、协萃效应和界面动力学(动力学控制机制和反应速率方程)研究发现，混合萃取体系中的D_2EHPA强烈地影响MPA的胶团形成热力学和界面吸附行为，得到了胶团生成常数、胶团形成自由能和临界胶团浓度的热力学参数D_2EHPA和MPA具有相反的界面吸附行为研究发现D_2EHPA—MPA混合萃取剂体系对Fe~(3+)产生了协萃效应动力学和界面化学的研究结果还证实了非胶束混合萃取体系的Fe~(3+)的萃取过程是受化学反应控制的，控制反应发生在界面上

Pyrolyzing wheat straw for 24h in the range of 300~700℃, the chemical composition of black carbon and the BET specific surface areas were determined; the phenanthrene adsorption and desorption on black carbon were studied, and the greatest irreversible adsorption amount on black carbon was measured.

测定了黑碳化学组成和BET比表面积，研究了菲在黑碳上的吸附与解吸，测定了菲在黑碳上的最大不可逆吸附量。

The reasons of iron ions content overproof in grade Ⅱ desalting water system,such as variation water quality,contamination of regenerant , operation adjustment of pretreatment system and switching operation of bed were discussed.

对二级脱盐水系统中铁离子含量超标的原因，如来水水质发生波动、再生剂受到污染、预处理系统操作调整、床体运行切换等进行了论述。

You were hired to drum up new business, so go and do it.

公司雇你招徕新业务，你就做你的事好了。