吸附了的
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The adsorption enthalpies, free energy changes and entropy changes of the cordycepin on 001×7 were also mensurated. The results indicated that the adsorption is a decalescence process. The breakthrough curve of cordycepin in dynamic experiments supports the above conclusion of thermodynamics.
测试了虫草素在001×7上的吸附焓、自由能和吸附熵,结果表明吸附是吸热过程;并对虫草素的吸附行为作了合理解释,进一步通过虫草素的穿透曲线验证了虫草素吸附热力学结论。
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Based on theoretical calculation of electronegativity of groups offlotation-reagent and method of infra-red adsorption spectroscopy, the collection andadsorption of α-nitroso-β-naphthol in hematite flotation have been studied. The chemicaladsorption seems to be predominant owing to formation of pentacyclic nitrosyl chelate com-pound by atoms of nitrosyl bond in α-nitroso-β-naphthol together with Fe~(3+) on hematitesurface.
研究了α-亚硝基β-萘酚对赤铁矿的捕收性能及吸附规律,导出了吸附方程和吸附速率方程用药剂基团电负性理论计算以及红外吸收光谱法论述了其作用机理α-亚硝基β—萘酚主要是以N O键合原子与赤铁矿表面的Fe形成N O五元环螯合物而化学吸附。
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Theoretical basis of thermodynamics on fluid phase balance is studied in this paper, and estimating rule of thermoelectrical equilibrium with interfacial phenomena is analyzed. Adsorption theoretical model is evaluated on the base of essential theory of adsorption.
本文研究了流体相平衡的热力学理论基础,并分析了存在界面现象时的热力学判据,研究了吸附的基本理论,选择了空穴溶液理论模型计算凝析气在多孔介质表面的吸附;应用晶格理论吸附模型计算凝析油在多孔介质表面的吸附;应用气相吸附数据计算二元液相吸附,作为应用晶格模型研究多元液相吸附的输入数据,并且首次考虑气液混合吸附,以凝析油的临界流动饱和度作为判断气液混合吸附还是单纯的液相吸附的条件。
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In this paper, adsorption is firstly described as a function of CSGC, and the effects of component and their ratio of grouts, leachate environment such as temperature, pH and salinity on adsorption are studied with equilibrium experiment. The evidence shows that the adsorption mechanism of CSGC to contaminant conforming to Freundlich Adsorption Model. It provides the theory for establishing CSGC and utilizing adsorption mechanism.
本文首次将吸附性能引入防渗帷幕的功能作用,通过大量的吸附平衡试验分析了浆液配比、地下水环境和用量对帷幕吸附污染物性能的影响,研究了帷幕对污染物的吸附规律和去除特征,结果表明粘土固化注浆帷幕对污染物的吸附符合Freundlich吸附模式,为建立粘土固化注浆帷幕、充分发挥其吸附性能提供了理论基础。
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Adsorption isotherms were obtained with static adsorption method. Isosteric adsorption enthalpy, adsorption free energy and adsorption entropy were calculated according to the relationship of thermodynamic function. Isosteric adsorption enthalpy was between 29 kJ-mol"1 ~ 34 kJ'mol"1, which reveals that the main molecularly recognition interaction is hydrogen bonding.
通过静态吸附试验,测定了球状分子印迹聚合物对水溶液中茶碱的吸附等温线,利用热力学函数关系计算了球状分子印迹聚合物的等量吸附焓,吸附自由能和吸附熵,等量吸附焓在29.17 kJ·mol~(-1)~34.54 kJ·mol~(-1)之间,推测其分子识别的作用力主要为氢键作用。
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The mechanism and the thermodynamics adsorption of p—nitrophenol to the PDMDAAC-bentonite from water were investigated in this paper and the thermodynamics model of the treating of waste water containing p—nitrophenol using the PDMDAAC-bentonite were also explored at different temperatures; the functions of thermodynamics the standard sorption enthalpy △H~
用PDMDAAC膨润土对含对硝基苯酚废水进行了吸附处理,对含酚废水吸附机理、吸附热力学等进行了研究,得到了在不同温度下的吸附等温线,计算了热力学函数标准吸附焓变△H~
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Chitosan had been modified by polyacrylate sodium, glularaldehyde, and NaBH4, respectively, which afforded three kinds modified chitosan: polyacrylate sodium modified chitosan (CIS- PA4) chitosan bead and pentamethylene diamido crosslinked chitosan bead (CTSB- G- Hy). The adsorption properties of CTS-CTSB and CTSB-G-Hy were studied by L25(56) orthogonal experimental design. They show high adsorption activities for Pb2+ in solution. The highest removal efficiency of Pb2+ for CTS-PA4, CTSB and CTSB-G-Hy is 94%, 96% and 93%, respectively. The results showed the adsorption property of CTSB is the highest. The CTSB- G- Hy has good mechanical property, acid-resistance and alkali-resistance.
第二部分壳聚糖的改性及其对水溶液中铅离子的吸附性能研究以壳聚糖为原料制备了三种改性吸附剂——聚丙烯酸钠改性壳聚糖(CTS——PA_4)、珠状壳聚糖凝胶树脂和戊二氨交联珠状壳聚糖凝胶树脂,着重考察了CTSB—G—Hy的制备条件,并考察了三种吸附剂吸附6.3mg/L铅离子水溶液中铅的最佳使用条件,结果表明对CTS—PA_4而言当pb~(2+)溶液的pH在4~6.5之间,吸附剂用量为5g/L,吸附时间为1h时pb~(2+)去除率高于94%,CTS—PA_4可在酸性条件下使用,在碱性条件下依然有效但处理效果较差;CTSB对pb~(2+)具有很好的吸附能力吸附剂用量为5g/L,吸附时间为1h时处理效果极佳,pb~(2+)去除率高于96%;CTSB—G—Hy对pb~(2+)具有一定的吸附能力,吸附剂用量为3g/L,吸附时间为1.5h时处理效果最佳,Pb~(2+)去除率高于93%,而且CTSB—G—Hy的机械强度高,耐酸碱性强,可在较宽的pH范围内使用。
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The effects of solution\'s pH value, mol ratio between phenyl aldehyde and L-Arginine, concentrations of sodium chloride, ammonia chloride andL-Lystine, initial concentration of L-Arginine on precipitation rate of a -tolylene arginine were investigated, the results indicated that phenyl aldehyde precipitation method\'s appropriate pH value was higher than 11, suitable mol ratio between phenyl aldehyde and L-Arginine was 1.25, initial concentration of L-Arginine was must higher than 15g/L, sodium chloride had little effect on precipitation rate, on the contrary, ammonia chloride and L-Lystine had great effect on it, both of them must be eliminated; At the same time, adsorption isotherm at 25 C of L-Lystine on anion exchange resin A was measured, the result showed that the maximal equilibrium adsorbance was 30mg/g, the influences of solution\'s pH value, temperature, concentration of chloride ion on adsorption of L-Lystine by anion exchange resin A were also studied, the results indicated that appropriate operational pH value was 0.5 0.2, the effect of temperature on adsorption ratio was little, process could be operated at room temperature, the concentration of chloride ion must be eliminated.
考察了溶液pH值、苯甲醛与L-精氨酸摩尔比、氯化钠与氯化铵浓度、L-赖氨酸浓度、L-精氨酸初始浓度对苯甲醛沉淀L-精氨酸的影响,结果表明,沉淀反应的适宜pH值大于11,苯甲醛与L-精氨酸的适宜摩尔比为1.25,(来源:Aa6BC论文网www.abclunwen.com)L-精氨酸适宜的初始浓度在15g/L以上,氯化钠的存在对沉淀率基本上没有影响,而氯化铵和L-赖氨酸的存在使沉淀率下降;同时测定了25℃时阴离子交换树脂A吸附L-赖氨酸的吸附等温线,表明其最大平衡吸附量为30mg/g,考察了溶液pH值、温度、氯离子浓度对阴离子交换树脂A吸附脱除L-赖氨酸的影响,结果显示从L-精氨酸和L-赖氨酸混合液中吸附分离出L-赖氨酸的适宜pH值为10.5±0.2,温度对L-赖氨酸吸附率影响不大,吸附过程可在室温下进行,氯离子的存在使L-赖氨酸的吸附率降低。
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SPR technique combined with the methods of material spreading onto the surface of gold developed in this work, including the polymer spreading by centrifugation and lipid spreading by LB technique, provided us a very sensitive tool for the real-time, dynamic and in-situ study of protein adsorption on the surface of biomaterials.
表面等离激元技术与本文采用的在金膜上铺展高分子材料的离心铺膜法和LB技术等样品制备技术相结合,为生物材料表面对蛋白质吸附特性的实时、动态、原位研究提供了一种新的高灵敏度的方法,并可能发展成为一种材料生物相容性的测试和评价的新方法。
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SPR technique combined with the methods of material spreading onto the surface of gold developed in this work, including the polymer spreading by centrifugation and lipid spreading by LB technique, provided us a very sensitive tool for the real-time, dynamic and in-situ study of protein adsorption on the surface of biomaterials.
表面等离激元技术与本文采用的在金膜上铺展高分子材料的离心铺膜法和LB技术等样品制备技术相结合,为生物材料表面对蛋白质偏瘫吸附特性的实时、动态、原位祛斑研究提供了一种新的高灵敏度的方法,并腹泻可能发展成为一种材料生物相容性的测试瘦身和评价的新方法。
- 推荐网络例句
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By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.
到它被攻陷的时候,里面多数的犯人是写了反对政府贪污文章的作家。
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The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.
在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色,卵在发育96h后卵基本全部孵化。
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There was a conflict between plebs and patricians in ancient Rome in 494BC.
在公元前494年,罗马发生了一次平民反对贵族的斗争。