浸渍法

The influence of characteristics of bast fiber growing and degumming strains,especially the external factors on the pulping are also summarized.

简单介绍了果胶的结构、化学组成及生物脱胶机理，详细总结了韧皮纤维酶法和发酵浸渍法脱胶制浆的研究、应用和发展情况，并对影响发酵浸渍法制浆原料和脱胶菌株的特性，特别是脱胶过程中主要外界因子进行了综述。

The structure,composition of pectin and the mechanism of bio-degumming are briefly introduced in this paper,the application,research progress of enzymatic degumming and retting for bast fiber s pulping are particularly summarized.

简单介绍了果胶的结构、化学组成及生物脱胶机理，详细总结了韧皮纤维酶法和发酵浸渍法脱胶制浆的研究、应用和发展情况，并对影响发酵浸渍法制浆原料和脱胶菌株的特性，特别是脱胶过程中主要外界因子进行了综述。

In all the methods of catalysts preparation, sol-gel process drying by high temperature decrepitation could achieve the best catalyst.

而在浸渍法和几种溶胶—凝胶法中，使用溶胶—凝胶法并使用高温烧爆法干燥的催化剂取得了最高的产量。

The traditional approach to produce Ni catalysts are mainly, immergence, ion-exchanged, and sol-gel method.

这类催化剂制备的传统方法主要有浸渍法、离子交换法、沉积沉淀法等。

The catalysts were prepared by impregnation and precipitation method, and the active carbon,γ-Al2O3, silica and kieselguhr were selected as the carriers of catalyst. the effects of reaction conditions, such as reaction temperature, types of solvents, and types of hydrogen donors were investigated, It was found that the Pd/C catalyst was the best one, and its proper reaction conditions were also obtained as follow: sodium formate as hydrogen donor, water as solvent, reaction temperature of 70℃ and reaction time of 2.5h.

以活性炭、γ-Al2O3、硅胶和硅藻土等为载体，分别采用浸渍法和沉淀法制备了催化剂，对于反应温度、溶剂及氢供体的种类等反应条件的影响进行了研究，发现以沉淀法制备的Pd/C催化剂是对转移加氢最有效的催化剂，初步确定了适宜的反应条件为以甲酸钠作氢供体、水作溶剂及70℃反应2.5h等。

The results show that the dissoluble tungstate can be impregnated into the pores of C/C composite materials....

研究结果表明，用浸渍法可将可溶性钨酸盐浸渍到炭/炭复合材料的孔隙中，将浸入炭/炭复合材料中的钨酸盐还原成金属钨可以在一定程度上改善炭/炭复合材料在X射线下的可视性。

Synthesis of biodiesel by transesterification of rapeseed oil and methanol catalyzed by KOH/Al2O3 solid base was studied. The catalyst was prepared by isochoric impregnation. Effects of some factors on the transesterification were investigated systematically and reaction conditions were optimized. The optimum reaction conditions on KOH/Al2O3 catalyst were: mass ratio of KOH to Al2O3 20%; calcination temperature 400℃ for 5h; molar ratio of methanol to oil 12:1, the amount of catalyst 5wt%; reaction temperature 60℃ and reaction time 2h.

采用等体积浸渍法制备了KOH/Al2O3负载型固体碱催化剂，并将其用于菜籽油与甲醇酯交换法合成生物柴油的研究；分别考察了催化剂附载量、锻烧温度、醇油摩尔比、反应温度、反应时间等条件对生物柴油产率的影响；结果表明：用等体积浸渍法，在400℃煅烧5h，制得负载量为20%的KOH/Al2O3催化剂。

Using the method of macerating, ZrOCl_2 loading on D418 was produced. Influence including time of macerating, pH, and temperature on the amount of load was studied. The proper conditions show that, room temperature is appropriate, the suitable pH is equal to 5, and time of macerating is 16 hours.

采用浸渍法，以ZrOCl_2·2H_2O和氨基膦酸树脂D418为原料，制备大孔螯合树脂D418负载的氯氧化锆，考察了浸渍时间、pH、温度对负载量的影响，得出适宜的操作条件为：室温，pH=5，浸渍时间为16小(来源：ABC347b34论文网www.abclunwen.com)时。

The supported WP catalysts showed considerable activity in HDS reaction of dibenzothiophene and HDN reaction of quinoline. The ibenzothiophene HDS activity and quinoline HDN activity of the spported WP catalysts synthesized by co-impregnation method was better than that synthesized by mixing method. The HDS and HDN activities of 25～30% WP catalysts synthesized by co-impregnation method and reduced at 650～750℃ were better than those of the corresponding sulfurized catalyst.

负载型WP催化剂具有较好的二苯并噻吩加氢脱硫和喹啉加氢脱氮活性，共浸渍法制备的磷化钨催化剂二苯并噻吩加氢脱硫和喹啉加氢脱氮活性要高于混合法制备的磷化钨催化剂。650～750℃还原制备的负载量25～30%的浸渍法磷化钨催化剂具有较高的二苯并噻吩加氢脱硫和喹啉加氢脱氮活性，高于相应的硫化态催化剂。

On the basis of dopping carbon anode by soaking, the preparation of dopping solvent by mechanical mixing method and their electrocatalytic results are studied.

在原有的浸渍法掺杂碳阳极的基础上，全面考察了机械混合法掺杂碳阳极的掺杂剂制备和掺杂效果，并将其与浸渍法掺杂进行了比较。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。