查询词典 design of experiments

Stem tips of Spiranthes sinensis were used as explants and the main in vitro culture factors with different levels were investigated through uniform design experiments.

以绶草Spiranthes、sinensis茎尖为外植体，应用均匀设计法对各步骤各主要因子和水平的作用进行了试验探讨。

On the basis of single-factor experiments, the effects of different temperature, time and ethanol weight percent on the extraction yield of total alkaloid from Radix Stemona were investigated with a three-factor Box-Behnken centerunited design. The extraction parameters were optimized with Response Surface Methodology.

在单因素试验的基础上，选取百部总生物碱提取温度、提取时间和乙醇质量分数3个因素进行Box-Benhnken中心组合设计，利用响应面分析法对其提取工艺参数进行优化。

The comparative experiments on the abrasion under unlubricated friction condition between the samples with smooth and coupling nonsmooth surfaces were performed by help of the experimental optimum design.

采用试验优化设计方法对相同试验条件下凹坑形仿生光滑试样以及具有仿生耦合表面的非光滑试样进行了干摩擦磨损试验对比研究。

The comparative experiments on the abrasion under unlubricated friction condition between the samples with smooth and coupling non-smooth surfaces were performed by help of the experimental optimum design.

采用试验优化设计方法对相同试验条件下凹坑形仿生光滑试样以及具有仿生耦合表面的非光滑试样进行了干摩擦磨损试验对比研究。

Based on the idea of modeling, the paper reasonably predigests a complicated actual system, demonstrates the feasibility of hanging method in theory, studies connection between stability and influencing factors, and brings forward an improved method of design that can be regarded as academic basis for further experiments.

用建模的思想，把复杂的实际系统合理简化，在理论上论证了悬挂稳定的可行性，研究了稳定效果与影响因素之间的关系，并提出了设计改进方案，作为进一步实验论证的理论依据。

In industrial production and in experiments, the qualified rifled tubes are produced by the drawing with reversed tapered and uniform-pitch plug. The key design features are given when using this kind of plug.

在实际生产中和实验中应用倒锥形等螺距芯棒拉拔出了理想的内螺纹管，并提出了采用这种芯棒时芯棒几何参数的设计原则。

Aimed at the color design process of NC machine tools in ICAID system, experiments of color image scale and the cognitive process of designers were carried out.

色彩是一种同时融合了客观存在和主观感受的复杂现象[1]，在消费者对产品认知的过程中承担着信息传递的重要媒介作用[2]。

Design and selection of combustion chamber,inlet tube and injector in ZG190 model direct injection are introduced in this paper and optimum performance parameters of ZG190 model diesel engine are determined by experiments.

介绍ZG190型直喷式柴油机的燃烧室、进气道、喷油器等设计及选择，通过试验通定ZG190型柴油机的最佳性能参数。

Orthogonal experimental method is applied to design experiments of diamond tool wear.B asalt is milled on CNC stone machine with electroplated diamond mill.The diamond mill is made with elec-troplated method and lost maSS of diamond mill is measured with high precise balance.

采用正交实验方法设计金刚石铣刀磨损实验，在数控石材机床上铣削玄武岩，金刚石铣刀采用电镀法制造，铣刀磨损量采用高精密度电子天平测量。

Orthogonal experimental method is applied to design experiments of diamond mill wear. Basalt is milled on CNC stone machine with electroplated diamond mill. The diamond mill is made with electroplated method and lost mass of diamond mill is measured with high precise balance.

采用正交实验方法设计金刚石铣刀磨损实验，在数控石材机床上铣削玄武岩，金刚石铣刀采用电镀法制造，铣刀磨损量采用高精密度电子天平测量。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。