单因素实验

通过单因素实验确定了pH、温度、加酶量、反应时间对环糊精糖基转移酶生产γ环糊精有影响。

PH , temperature , E / S and reaction time can influence the yield of γ - cyclodextrin by single factor experiment .

通过一系列单因素实验考察了加工工艺、助剂添加比、内膜的结构组成和包装内环境的RH对吸氧薄膜吸氧性能的影响。

The influence of process technology , oxygen additive added ratio , structure of inner layer and relative humidity in package on oxygen scavenging performance were studied by single factor experiment .

单因素实验确定水解条件为最适pH为7.5，温度为60℃，底物浓度为4%，加酶量为4%。

From Single-factor experiment , the optimum hydrolysis condition was : pH7.5,60 ℃, substrate concentration 4 % and enzyme-substrate ration 4 % .

通过单因素实验，首先确定出上述试验因素水平的上下限，然后以产物的取代度DS为试验指标，通过五因素二次正交旋转组合试验得出这五个因素与DS的关系表达式；

By one-factor experiments , we can certain factors and range of level .

选择提取时间、液料比、pH值及提取次数4个因素分别进行单因素实验，比较山药蛋白质的得率。

We selected such four factors as extraction time , liquid ratio , pH value and extraction times and compared the yield of yam proteins .

分别进行了醒发时间、轧面次数、蒸烤时间及温度、和面时间、面团pH值5个因素对蒸烤馒头品质影响的单因素实验。

Factors affecting the quality of steamed and baked bread , are the ferment time , kneading time , steaming and baking temperature and time .

通过单因素实验研究了离子液体负载量、砷溶液初始浓度、溶液pH值、反应时间对溶液中砷去除率的影响。

Effects of ionic liquid loading amount arsenic initial concentration solution pH value and reaction time on arsenic removal rate were studied in the paper .

以单因素实验方法筛选出该菌株液体发酵产酶所需的最佳条件（温度、初始pH、接种量、装液量）和最佳碳、氮源。

The optimal nitrogen and carbon source and fermentation conditions including temperature , primary pH , inoculate volume and medium volume were determined using single factor method .

利用单因素实验法，考察了水分、溶剂比、咔唑与KOH配比对产品的纯度和收率的影响。

The operating conditions that influence the purity and yield of carbazole were investigated .

论文进一步通过单因素实验和正交实验优化了纯化工艺参数，包括上样液pH、洗脱液浓度和洗脱液用量三个因素。

The purification process parameters were further studied by single factor experiments and orthogonal experiments , including three factors : sample solution pH 、 eluent concentration and eluent consumption .

对于NH离子的影响进行了单因素实验。

The effect of NH4 ions on the gypsum crystallization was studied by way of sin-gle-factor experiment .

通过单因素实验研究了破碎度（即胶体磨间隙）、pH值、浸泡时间及浸泡温度等对芋头淀粉提取率的影响。

Single factorial experiments were performed to probe the effect of marinating temperature , marinating time , pH value and clearance of colloid grind on the extraction rates of taro starch .

采用单因素实验法，通过观测标识球在刻有标度的V导轨上的运动情况，分析各参数对球体运动状态的影响。

Single-factor experiment is used to analyse the impact of the processing parameters on the movement of the balls by observing the scale engraved on the ball and V-rail .

单因素实验和正交优化实验确定最佳水解条件为：温度60℃，pH值7.5，底物浓度5%，酶底比4%。

The single factor and the orthogonal experiments give the best hydrolysis condition : temperature 60 oC , pH value 7.5 , the substrate concentration 5 % and enzyme / substrate 4 % .

通过单因素实验和响应面（SRM）分析法优化预处理工艺。

Peroxide has been used to optimize pretreatment craft through single factor experiments and response surface ( SRM ) analytical method .

通过单因素实验研究，发现在超临界CO2萃取蜂胶过程中添加一定量的沙棘子能显著提高超临界蜂胶成分的得率。

Through the single-factor experiments we found that the extraction rate of propolis would be obviously enhanced when we add Sea Buckthorn Seeds to propolis by supercritical CO2 extraction .

研究了清酒的酿造工艺，对发酵温度、酒母添加量、米曲添加量、料水比、初始pH进行单因素实验，根据单因素实验结果设计正交实验。

The experiment mainly research brewing process of sake , fermentation temperature , yeast addition , Koji addition , material to water ratio , initial pH as single factor were researched in the fermentation process .

本文选用MRS培养基作为基础培养基，在此基础上利用单因素实验确定了最佳碳源为葡萄糖，最佳氮源为蛋白胨。

This study chosen malt extract MRS as base medium . The optimal carbon source was determined by single factor was glucose , and the optimal nitrogen source was peptone .

通过单因素实验，碳源、氮源、无机盐、高浓度NaCl、初始pH值、接种量、温度、发酵时间等因素对赤藓糖醇产量的影响。

Then fermentation factors such as carbon sources , nitrogen source , inorganic salt , NaCl concentration , initial pH value , inoculums , temperature , and fermentation time were studied by single-factor experiment .

通过对萃取压力、萃取温度、萃取时间三因素进行单因素实验及正交实验，得出姜油树脂超临界CO2萃取的最佳工艺参数：萃取压力30Mpa萃取温度50℃萃取时间180min。

Single factor experiments and orthogonal experiments are done about extractive pressure , extractive temperature and extractive time .

采用单因素实验考查了碱洗搅拌时间、碱洗pH值、电解时间、进水pH值、电流强度、进水流量、水温、氯化钠投加量等因素对活性炭再生效果的影响。

The influence factors , including stirring time , stirring pH value , influent flow rate , pH value , temperature , the dosage of NaCl , current intensity and electrolysis time were investigated respectively through the single factor experiments .

单因素实验得出合成最佳条件为：温度30℃，时间3h，引发剂用量0.1%，单体质量分数15%；

The single factor experiment obtains the synthesis optimum condition is : Temperature 30 ℃, time 3 h , initiator amount used 0.1 % , monomer density 15 % ;

通过单因素实验和Box-Behnken设计优化了超声-微波协同提取法提取姜黄色素的适宜工艺条件。

The optimum conditions of ultrasonic-microwave synergistic extraction for curcumin were obtained by single-factor and Box-Behnken design .

主要从以下几个方面对硬脂酸锌的催化合成及其对PVC热解性能的影响进行了研究：（1）通过单因素实验和正交实验初步确定了硬脂酸锌催化合成的较佳工艺条件。

The process and the effect of zinc stearate on the pyrolytic performance of PVC were studied from following aspects . ( 1 ) Finding preferable technical conditions of the process by single factor experiments and orthogonal tests .

设计单因素实验考察反应条件（酯化剂用量、反应温度、反应时间、反应pH和尿素用量）对产品取代度及反应效率的影响。

The effects of different reaction conditions on DS and reaction efficiency ( RE ) were testified by single factor experiments . The influence factors include amount of esterifying agent , reaction temperature , reaction time , reaction pH and amount of urea .

主要内容如下：1.通过单因素实验，考察了酸法提取果胶时溶液pH、提取温度、时间、液固比等对果胶得率的影响。

The main contents of the research are as follows : 1 . Through single factor analysis , some factors such as pH value , extractive temperature , extractive times and ratio of solvent to material on the yield of pectin were investigated .

选定RB（孟加拉玫瑰，RoseBengal）作为光敏剂，采用单因素实验法确定合适的硫酸盐桉木浆光催化漂白的工艺条件；

In the experiments , Rose bengal ( RB ) was used as photosensitizer to activate oxygen into singlet oxygen . Photocatalytic bleaching technology of kraft Eucalyptus pulp was optimized through single factor experiments .

在单因素实验基础上，选择提取时间、液料比和pH值3个参数进行三因素三水平的Box-Behnken响应曲面实验，对此3个参数的实验组合进行优化。

After the single factor experiment , we carried out three factors and three levels of the Box-Behnken , based on the three parameters extraction time , liquid ratio and pH value .

在制备凹凸棒石纯样基础上，进行了凹凸棒石吸附Cu2+单因素实验，吸附前后溶液pH值变化观测和吸附Cu2+后凹凸棒石表面结构高分辨透射电镜调查。

On the basis of preparing pure palygorskite sample , experiments of copper ion adsorption on palygorskite were carried out under single effecting factor . Meanwhile , pH values of solution were tested and surface structure of palygorskite was investigated before and after adsorption experiments .

以提取出来的菌体蛋白为原料，采用盐法、食盐与超声波协同法，通过单因素实验及正交实验来确定RNA提取工艺。

The cell protein extracted from waste water is as the raw materials , salt , and alkaline autolysis ultrasonic combined with salination method was used ,( 1 ) By single factor experiments and orthogonal test to determine the RNA extraction .