查询词典 adsorption

By separating the crude oligosaccharide products with various ratios of activated charcoal and Celite, the results indicate that the products from 30% lactose (L30) had an adsorption percentage of 96.3%, the highest one among all mixtures of activated charcoal and Celite. The following fractionation by eluting successively with 10% and 20% ethanol aqueous solutions gave an oligosaccharide yield of 13.5% and a purity of 97.9%.

合成的寡醣以不同比例活性炭和矽藻土吸附分离，结果发现30%乳糖组(L30)经单活性炭组吸附即有96.3 %的寡醣吸附力，是所有活性炭与矽藻土混合组别中最高者，再经10 %与20 %乙醇冲提画分后可得13.5 %的收率，其寡醣纯度更高达97.9 %。

Penicillin V acylase from the crude culture filtrate of Fusarium oxysporum FP 941 was purified with a single band on non-denaturing electrophoresis by means of (NH4)2SO4 fractional precipitation, adsorption on, and elution from, celite, ion-exchange column chromatography with DEAE-cellulose, and Sephadex G-200 gel filtration chromatography.

通过硫酸铵沉淀、硅藻土吸附、DEAD-纤维素离子交换层析和Sephadex G-200凝胶过滤，由尖镰孢FP941培养滤液中得到了聚丙烯酰胺凝胶电泳均一的青霉素V酰化酶。

The present paper aims to give a report on our research of the adsorption characteristics of the phosphate on the hydrous ceric oxide.

实验结果表明，水合氧化铈具有优异的除磷特性，在较宽pH值范围内对磷酸根有较强的吸附能力，酸性条件更有利于吸附反应的进行。

Adsorption of cetyl trlmethylamm onlum bromide on surface of silicon dioxide.

十六烷基三甲基溴化铵在二氧化硅表面吸附的研究。

Results indicate that the optimum extraction conditions are as follows: ultrasonic power is 600W, temperature is 53℃, the ratio of liquid to solid is 8︰1, ultrasonic treating time is 70min, reflux extraction time is 120min, the extraction rate of oleanolic acid is 3.000 mg/g; XDA-1 resin is favorable in purification of OA in Chaenomeles sinensis Koehne, the optimum purification conditions are found to be 0.794 mg/mL of OA concentration, the flow rate of adsorption is 0.5 mL/min; the desorption solvent is 90% ethanol, and the flow rate of elutant is 1.0 mL/min.

结果表明，超声波辅助提取最佳工艺条件为：超声功率600 W、提取温度53℃、液料比8：1、超声波提取70 min，回流提取120 min，齐墩果酸得率为3.000 mg/g；XDA-1型大孔树脂对齐墩果酸具有较好的吸附和解吸效果，最佳纯化工艺条件为上柱液浓度0.794 mg/mL，吸附流速0.5 mL/min；以90%浓度乙醇洗脱，洗脱流速1.0 mL/min，纯化后得提取物中齐墩果酸纯度可达26.55%。

The invention is characterized in that the molecule of the polymer adsorption material has a structure in formula I: in the formula, R is selected from the natural polysaccharides with amino groups and hydroxyls and the derivatives thereof or the chemosynthetic polymers, the molecular weight of which is from 6 KD to 500 KD; X is selected from a C0 to C6 paraffinic chain with O atoms, N atoms or OH groups; R1, R2 and R3 are selected from a C1 to C4 alkyl group.

生物医学材料领域中的水溶性阳离子多聚物吸附材料及其应用，包括采用带有氨基或羟基的天然多糖及其衍生物或者化学合成多聚物季铵化反应合成，其特征在于该多聚物吸附材料分子具有式的结构：式中，R选自粘均分子量范围为6KD～500KD的带有氨基或羟基的天然多糖及其衍生物或者化学合成多聚物；X选自含有O原子、N原子或者OH基团的C 0 ～C 6 烷链；R 1 、R 2 、R 3 选自C 1 ～C 4 的烷基。

Phosphotungstic acids (PW12) supported on activated carbon were prepared, characterized by XRD, IR and N2 adsorption, and used as the catalyst for synthesis of n-amyl chloroacetate.

制备了活性炭为载体负载型磷钨酸催化剂，并采用XRD、IR、N2吸附等手段进行了表征。将其用作合成氯乙酸正戊酯催化剂。

The adsorption properties of theadsorbent for cholic acid from ethanol solution are discussed.

结果表明，树脂对乙醇溶液中胆酸的吸附过程是焓控制的过程。

The technics of phosphotungstic acid adsorbed on carbon indicated circumfluence adsorption Technic was better than others.

对不同杂多酸的催化活性和选择性的研究表明：磷钨酸催化效果最好，酯化率达82%，MCT的选择性为68%。

According to the water quality characteristics of mine water in Shanxi province experiment is made to study to removal effect of sulfate radical by coagulative adsorption of mine water .

针对山西省煤矿矿井水的水质特性，研究通过混凝吸附作用对矿井水中硫酸根的去除效果，通过实验，发现在pH=7~8时，采用Ca2+PAC+少量PAM的药剂投加方式，对矿井水中硫酸根的混凝吸附去除效果较好。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。