查询词典 experimental design

To get better result, we used Orthogonal experimental design to set the parameters.

为了取得更好的实验结果，运用了正交均匀试验设计的方法来进行参数设置，针对不同的参数进行了仿真分析。

Adopting homogenous experimental design and applying the response surface method,the effects of corn variety,screw speed and water content on radial expansion ratio and extrusion index were studied,and the quadratic polynomial mathematical models of expansion ratio and extrusion index were constructed.

采用均匀试验设计方法，应用响应面分析了玉米品种、螺杆转速和物料水分含量对膨化率和挤压指数的影响，并建立了膨化率和挤压指数的二次多项式数学模型。

Methods: Twenty patients at two test sites were randomized with use of a double-blind, saline solution-controlled, parallel experimental design.

共两个实验点的二十位患者参加了本次盐水对照的双盲平行实验。

The main difference of two strategies lies in grade 3 and the grade 4 and there is no difference in the grade land the grade 2; there is the obvious positive correlation between sex and the experimental design, and there isnt obvious correlation between sex and the elementary knowledge; the Spearman rank correlation coefficient r_s=

梯度指导策略与突击强化策略的教学效果的主要区别在于梯度3、梯度4的得分，在梯度1、梯度2上基本无差异；性别与实验设计有明显的正相关，性别与基础知识无明显的正相关；生物基础知识与实验设计成绩的Spearman等级相关系数，r_s=0.443，0.4＜r_s＜0.6，即学生的生物基础知识与实验设计成绩呈中等正相关。

On the basis of the previous results and according to the central composite experimental design principles,the method of response surface method with 3 factors and 3 levels was adopted.then the factors influencing the technological parameters were determined by means of regression analysis.response surface and contour were finally graphed with the extraction rate as the response value.resultsthe optimum conditions of lycium barbarum polysaccharides extraction were as follows:the ratio of material to solvent of 1∶32,extraction temperature of 84℃ and extraction time of 2.3 h,one time extraction.conclusionthe yield of lycium barbarum polysaccharides is 11.10% under the optimum conditions.

方法在单因素实验基础上选取实验因素与水平，根据中心组合（box-benhnken）实验设计原理采用3因素水平的响应面分析法，依据回归分析确定各工艺条件的影响因子，以多糖提取率为响应值作响应面和等高线。结果在分析各个因素的显著性和交互作用后，得出枸杞多糖水浸提的最佳工艺条件为：料液比1∶32；浸提温度84℃；浸提时间2.3h；浸提1次。结论在最佳工艺条件下，枸杞多糖的实际提取率可达11.10%。

A quadratic response surface regression experimental design was disposed based on influencing factors including temperature,time and alkali concentration.

结果表明，其合成条件为反应温度183.8℃；反应时间2.86 h；碱浓度6.43%，苦楝籽油最大预测值为87.65%，与试验值86.23%相差仅1.62%，拟合度较好。

Response Surface Method was used for the experimental design, in which four factors and three levels were determined according to the actual conditions.

并根据实际的工艺条件确定了四因素三水平的试验设计方案。

Adopt orthogonal experimental design to optimize chemical technology of detaching safrole and refining citral from Zhejiang volatile oil;use compacting method to prepare soft capsule and research making craft condition;use gas chromatography to Zhejiang volatile oil, take off poisonous oil an...

采用正交试验设计对用化学法从者姜挥发油中除去黄樟醚及精制柠檬醛进行工艺优选；采用压制法制备软胶囊，研究制备工艺条件；用气相色谱法对者姜挥发油、脱毒油和者姜心脑康软胶囊进行质量控制，建立质量标准。

The journal supplies theoretical, practical and methodological topics of sequential analysis mainly for biostatisticians, clinicians and mathematicians, including hypothesis testing, analysis of variance, sample surveys, regression and correlation, experimental design, optimal stopping, nonparametric methods, quality control and Bayesian analysis etc.

该杂志主要为生物统计学家，临床医师以及数学家提供了序列分析上理论的，实践的以及方法学上的课题，包括假设验证，变异分析，样本调查，回归与相关性，实验设计，最佳的停顿，非参数方法，质量控制以及贝叶斯定理分析等等。

In this paper, aiming at the extraction of Sargassum fusiorme polysaccharide, experiment factors and levels were firstly selected by one-factor tests. Next, on the basis of this and according to the Box-Benhnken center-united experimental design principles, the method of response surface analysis with 3 factors and 3 levels was adopted.

针对羊栖菜多糖的提取，通过单因素实验选取实验因素与水平，根据Box Benhnken的中心组合实验设计原理，在单因素试验的基础上采用三因素三水平的响应面分析法，依据回归分析确定各工艺条件的影响因子，以多糖提取率为响应值作响应面和等值线图。

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。