查询词典 isotherm

Adsorption isotherm of nitrogen in MCM-41 at temperature 7=77 K was measured, by using the ASAP2010 volumetric adsorption analyzer produced by Micromeritics Instrument Corp.

虽然微扰方程一般较优，但是在近似胶体的情况下，本文提出的方程却更好。

The adsorption behavior of ammonia nitrogen by mordenite fits the Langmiur isotherm well.

丝光沸石对氨氮的吸附符合朗格缪尔吸附等温线。

The study showed that the biosorption process could be described well by pseudo-second-order kinetic model and Freundlich isotherm model.Higher cell concentration was favorable to the biosorption.Temperature's effect on the biosorption was not obvious.The oxygenous and nitrogenous functional groups on the cell wall played a very important role in the process of biosorption.Microdeposits were formed by int...

结果表明，菌体对银的吸附量可达91.75 mg/g，吸附过程符合Pseudo-second Order吸附动力学模型，相关系数高达0.999 9；吸附热力学很好地符合Freundlich吸附等温模型，相关系数为0.99；考察菌体浓度和温度对吸附的影响发现，菌体浓度增加有利于对银离子的吸附，温度对吸附影响较小；FTIR、SEM及EDAX实验结果表明吸附存在2种吸附机理，一为菌体表面一些含氮氧的基团对Ag+的络合作用，二为菌体分泌的胞外多糖等物质对Ag+的微沉淀成晶作用。

It is shown that the adsorption of propiolic alcohol on the surface of pure aluminium is the important reason resulted from corrosion inhibition and that the rule of adsorption conforms with Langmuir's isotherm.

采用失重法研究了氢氧化钠溶液中丙炔醇在不同温度和浓度下对铭的缓蚀作用，发现丙炔醇在铝表面上的吸附是产生缓蚀作用的重要原因，且吸附规律服从Langmuir吸附等温式。

Phase equilibria of the 300℃ isotherm in the Tl-Ge-S ternary system andTl_2S-GeS_2 and Tl_2S-GeS polythermal pseudobinary section were investigated bymeans of evacuated quartz glass capsules in this work.

本文用抽真空石英管在干体系中对Tl-Ge-S三元系在300℃等温切面相关系和沿Tl_2-GeS_2及Tl_2-GeS变温切面假二元系相平衡进行了实验研究。

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。

A isotherm of a monolayer at air-water interface for a quaternary ammonium salt type trimeric surfactant (shortly called 12-2-12-2-12) was investigated by the Langmuir balance technology. The surface tension at collapse pressure,γ, and the molecular limited area, A, were determined and compared with the surface tension of the surfactant solution at CMC concentration,γ.

利用Langmuir膜天平研究了季铵盐三聚表面活性剂12-2-12-2-12在空气－水界面单分子膜的表面压－分子面积等温线，得到它的崩溃压对应的表面张力γ(下标 collapse)和分子极限面积A。

According to the typical rib-web parts,different kinds of cushion plates are designed for local loading form ing.The local loading method is used to control flow direction and distance of superfluous metal of web plate to avoid the form ing defects,such as overlap and underfilling,and the isotherm al deform ation condition is employed to improve metal filling and decrease die pressure.

针对典型筋板类锻件，设计了不同形式的局部加载垫板进行局部加载，通过局部加载技术控制腹板处多余金属的流动方向和距离，避免产生折迭、充不满等缺陷，并且利用等温变形条件改善金属充填质量和降低模压力。

The results of influence of pH and temperature and particle size of silica xerogel for adsorption show that isotherm adsorption accords with Langmuir equation.

考察了溶液pH值、温度和SiO〓纳米干凝胶的粒度对吸附的影响，结果发现SiO〓纳米干凝胶对锆的等温吸附符合Langmuir方程。

Using the fractional ultrasonic-extraction on four different-rank coals, including lignite, coking coal, low- and mid-metamorphism anthracites by different solvent, isotherm adsorption experiment was made after equilibrium-water accessioned into raw coals and their residues. The change of the adsorption capacity and its affecting factors were analyzed combined with the pore-structure and equilibrium-water content measurement.

采用不同溶剂对褐煤、焦煤、低级无烟煤R(下标 o，max 2.62%以及中级无烟煤R(下标 o，max 3.74%等四个煤级煤样进行分级超声萃取，然后对原煤和萃余物进行平衡水预湿的方法，进行了等温吸附实验，并结合孔隙结构测试和水分含量变化，分析了溶剂萃取后萃余物的吸附性能变化及其影响因素。

Article 144 The Government of the Hong Kong Special Administrative Region shall maintain the policy previously practised in Hong Kong in respect of subventions for non-governmental organizations in fields such as education, medicine and health, culture, art, recreation, sports, social welfare and social

第一百四十四条香港特别行政区政府保持原在香港实行的对教育、医疗卫生、文化、艺术、康乐、体育、社会福利、社会工作等方面的民间团体机构的资助政策。原在香港各资助机构任职的人员均可根据原有制度继续受聘。

Small wonder, then, that the Chinese spend more in the shop than any other group of foreign visitors do .

这样的小惊喜，使中国顾客比任何国家的人消费得更多。