单交

The decolorization condition was studied through single factor and orthogonal experiment.

方法］通过单因素与正交试验，研究废水脱色的工艺条件及其影响因素。

And on the basis of mono-factor test, using COD decreasing rate and decolour rate as targets, six factors affecting catalytic effect were selected to proceed L9(34) orthogonal experiments. The conclusion of primary and secondary factors was drawn and the turn was : kind of catalyst-amount of catalyst-pH value-temperature-amount of H2O2-amount of air . The optimization were determined to be : initial pH value : 5.5 ; temperatare : 90 C; amount of H2O2: lml/400ml waste water ; kind of catalyst: AC3 ; inciting small amount of air ; amount of catalyst: 125g activated carbon to 500g stone .

并在单因素试验的基础上，以废液COD去除率和脱色率为指标，选择废液初始pH值、反应温度、启动剂用量、催化剂类型、鼓空气量、催化剂加入量为因素，进行L_9(3~4)正交试验，确定影响因素因素的主次关系为：催化剂类型→催化剂加入量→废液初始pH值→反应温度→启动剂量→鼓空气量；最佳处理技术条件为：废液初始pH5.5；反应温度90℃；启动剂量1ml／400ml废液；AC3型催化剂；鼓小流量空气；炭石比125g／500g。

In this thesis, themethod of moments was used in modeling the graft polymerization of vinyl acetatefrom polyethylene glycol and the vinyl/divinyl atom transfer radical copolymerizationwith cross-linking.

本文运用矩方法分别对聚乙二醇接枝醋酸乙烯酯聚合体系和双烯／单烯的原子转移自由基交联聚合体系进行了深入的建模研究。

In the study of extraction of antimicrobial substance from Eleocharis tuberose peel with ultrasonic, on the basis of single factors test and orthogonal test, the optimal technological parameters were material 60 mesh, ethanol 65%,1:10 for ratio of material to liquid, 45min for ultrasonic time, extraction for one time.

超声波法提取荸荠皮中抑菌物质的实验中，通过单因素及正交实验确定的最佳工艺条件为：采用60目的荸荠皮粉碎物、浓度65％的乙醇溶液、料液比1∶10、超声波作用45min、提取次数一次，在此条件下提取物对大肠杆菌和金黄色葡萄球菌的抑菌圈直径分别为13.3mm和14.3mm。

The technology of extracting polysaccharide in Enteromorpha interspinlis with cellulosase was studied.

实验研究了纤维素酶法提取浒苔多糖的工艺条件，通过单因素试验和正交实验，确定了最适提取工艺条件为：提取时间为 2 。5h ，温度为 4 0℃，pH值为 5 。0 ，加酶量为 8%，浒苔多糖的提取率为

Extraction technology of polysaccharide from Hericium erinaceus was investigated.

对猴头菇中可溶性粗多糖的提取工艺进行了研究，通过单因素试验和正交试验L9(34)，研究了料液比、乙醇浓度、时间对多糖提取率的影响。

The article adopted the method of orthogonal design using Polyethylene Glycol and Methacrylic Acid to esterify Polythylene-glycol-mono Methacrylate, then using PMA, MAA and Methacrylic Acid Sulfonic Sodium as raw material to synthesize Polycarboxylic type water-reducer.

用正交实验法研究了聚乙二醇和甲基丙烯酸酯化合成聚乙二醇单甲基丙烯酸酯的合成工艺，以该酯化物与MAA和甲基丙烯酸磺酸钠为原料，在引发剂的作用下合成聚羧酸系减水剂。

MethodsWith the extraction rate of polysaccharides as an examinable target , the optimal extraction conditions of polysaccharides has been proposed by microwave-assisted method through single factor experiment and orthogonal test method .

方法应用微波辅助提取技术，通过单因素和正交实验，以土茯苓多糖提取率为指标，筛选土茯苓多糖的最佳提取工艺条件。

With a model of chronically compressed dorsal root ganglion, the present study was undertaken to test how the plasticity of sympathetic sensory coupling is and whether the coupling is mediated by intracellular messenger PKA by analysing extracellularly recorded spontaneous activity of single A fibers originating from the CCD neurons in vitro.

本实验在背根节慢性压迫模型上，采用离体灌流DRG和单纤维记录神经元自发放电的方法研究了初级感觉神经元的交感感觉耦联作用及其细胞内机制。

Effects of solvent species, ethanol concentration, microwave power, extraction time, ratio of material to liquid and ultrasound wave on extraction rate of gingerol were investigated through single factor and orthogonal test.

以生姜粉为材料，通过单因素和正交试验探讨超声波－微波协同萃取姜辣素的工艺条件中溶剂种类、乙醇浓度、微波功率、微波处理时间、料液比及超声波等因素对萃取效果的影响。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。