查询词典 experimental design

A Box-Behnken experimental design was applied in the design of experiments and in the analysis of the experimental data.

采用Box-Behnken法研究和探讨初始pH值、接种量和温度对菌株DN2降解烟碱的影响，获得了二次模型。

At the same time, 9 groups data are conversely choosed according to uniform orthogonal array from 71 groups observed data of suspended grid plunge pool, the mold is set up by the method of PPR, the surplus 62 groups data are used to proceed examination, the empirical type optimum design of experiments are proceeded inversely, all of these confirm that a lot of model experimental results can be replaced by a few of test times under nonstrict uniform experimental condition. The result can provide the feasibility reference basis for same kind of model design of experiments in future.

同时从71组悬栅消力池观测数据中，按均匀正交表反选9组数据，用PPR方法建模，剩余的62组数据进行检验，逆向进行了实证性优化试验设计，证实了即使在非严格的均匀试验条件下，仍然可以用少量的试验次数替代大量的模型试验结果，为今后同类模型试验设计提供可行性的参考依据。

In the first, the background of this dissertation, the he status which helicopter blade dynamic balance experimental platform system design and using are introduced, helicopter blade dynamic balance experimental platform system is not designed in our country, so in this Dissertation, the advanced experience is accepted and some innovative methods also are used in the system design.

此论文通过借鉴国内外对直升机旋翼动平衡试验台系统设计的经验，确定采用当今较新与较成熟的技术构建了集数据采集与控制为一体的试验控制系统来满足整个动平衡试验的要求。另外还对直升机旋翼动平衡试验台系统方案设计中各分系统作了简单介绍，并通过和以往系统比较分析，在借鉴前人经验的基础上进行了创新。此论文主要介绍了直升机旋翼共锥度测量分系统的设计与实现。

The design of nonequivalent pretest-posttest control group, as quasi-experiment design was applied to the study. There were totally 67 seventh students from a junior high school in Taipei county participating in this study, 34 of which were assigned to the experimental group and 33 of which to the control group. Students in the experimental group went through 24 sections emotional education into the integrative activities for 8 weeks, 3 section（135 min）, per week, while those in the control group accepted the original integrative activities curriculum.

研究方法采不等组前后测准实验设计，以台北县某国中67名七年级学生为研究对象，实验组共34位学生，控制组共33位学生，实验组接受为期八周，每周三节课（135分钟），共二十四节课的实验课程处理，控制组则接受原综合活动课程。

The experimental part design of rotationally molded truck fender was studied by combining theory analysis,experimental part design and experiment.

采用理论分析、试验制品设计与实验结合的研究方法，研究卡车翼子板旋转模塑成型试验制品设计问题。

In this paper a genetic algorithm four-dimension data assimilation system was applied to the more complex MM5 model, we verify the performance of the genetic algorithm assimilation system, we take the a heavy rainfall process during 04-05, July, 2003 as the experimental research object, and carry out data assimilation experiment of actual observation data, compare the experimental results of the genetic algorithm assimilation system and MM5 adjoint model assimilation system with the experimental results without assimilation, the following is the result:genetic algorithm assimilation system is used not only in a barotropic primitive equation but also in the complex model, MM5, for example, in the ideal experiment the result of the genetic algorithm assimilation system is better than the MM5 adjoint model assimilation system, in the assimilation experiment of actual observation data, whichever assimilation system is used, the initial field of numerical prediction model is effectively improved and the prediction effect of physical field and rainfall are somewhat enhanced.

本文将遗传算法的四维同化系统运用到更复杂的MM5模式中，在理想实验中验证遗传算法同化系统的性能，并以2003年7月4日"南京暴雨"作为研究对象，进行了实际观测资料的同化，并将遗传算法同化系统和MM5伴随模式同化系统得到的结果跟未同化的结果进行了比较，结果如下：遗传算法同化系统不仅可以用在正压原始方程模式上，同样也可以用在MM5等复杂模式上，理想实验证明了遗传算法同化系统优于MM5伴随同化系统，在实际观测资料同化中，采用两种方法的同化系统都能有效地改善数值预报模式的初始场，能在一定程度上提高物理量场和降水量的预报效果。

The experimental setup for the turbulent jets in crossflow is designed, and the hot wire anemometry IFA 300 is used to measure the velocity field and the turbulent kinetic energy, and the computational result matches experimental measurement reasonably well. The experimental result is very important in the analysis of the flow field, deduction of the equation of the jet trajectory, check of the turbulence model and validation of the numerical method.

首先，建立了用于测量横向紊动射流的实验台，并利用IFA 300型热膜风速仪系统测量了多种工况下的流场，并将速度、湍动能结果与数值计算结果进行了比较，实验结果与数值模拟结果吻合较好，从而为分析流场特性、确定射流轨迹、比较湍流模型以及验证数值计算方法提供了依据。

The nitrogen balance on days 8 was remarkably improved in experimental and normal diet groups compared with control group. There were highter serum glutamine and BCAA concentration, hydroxyproline content and tensile strength of wound, and better lymphocyte blastogenesis in experimental group compared with control and normal diet groups. Experimental and normal diet groups had higher mucosal DNA, RNA and protein content than control group.

实验组动物的血浆谷氨酰胺、BCAA含量，外周血淋巴细胞转化率，伤口皮肤抗张力强度和羟脯氨酸含量都显著高于对照组和正常饲料组(P＜0.05)；实验组和正常饲料组动物第8天氮平衡，小肠粘膜核酸和蛋白质明显高于对照组(P＜0.05)。

This paper to introduce a new experimental method of dispersion phenomena, in this experimental method, it can be directly observed by different substances uneven medium, the dispersion arising from the various phenomena of the material in different light source through uneven medium, the emergence of two different spectral dispersion surface, spectral noodles Bright (Bright-Line Spectrum), and dark lines is how it is formed and a series of important experimental phenomena.

本文要介绍一种新的色散现象出现实验方法，在这种实验方法上，可直接观察到不同物质通过不均介质后，所出现的各种不同色散现象，物质在不同光源照射下通过不均介质后，出现的两种不同色散谱面，谱面中明线和暗线是怎样产生等一系列重要实验现象。

In view of practical problem during Sulige gas field development, this paper complete follow study content. Study material balance theory of two district compound gas reservoir. Carry out stress sensitivity experiment on matrix rock and labor created fracture core from Sulige gas field with America Core Company high pressure high temperature flow experimental instrument to study stress sensitivity change rule of different permeability matrix rock and created fracture core at the condition of time and again switch on and off well and different drawdown pressure. Carry out depletion experiment on matrix rock of different permeability serial combination with different kinds of allocation, using double core clamper serial connected experimental apparatus, to study gas well production performance of bi-zonal compound low permeability reservoir during low pressure production stage. At the basis of experimental study, establish single well simulation model to analyze development index infection caused by stress sensibility and production performance infection rule caused by inner formation and outer formation of bi-zonal compound gas reservoir permeability variation while considering stress sensitivity.

针对苏里格低渗气田开发中存在的实际问题，完成以下研究内容；研究了两区复合气藏物质平衡原理；利用美国岩芯公司高温高压流动实验仪，对取自苏里格气田基质岩芯和人工造缝岩芯进行应力敏感实验，研究不同渗透率基质岩芯和造缝岩芯在多次开关井和不同生产压差条件下的应力敏感变化规律；采用双岩芯夹持器串联实验装置，对不同渗透率串联组合的基质岩芯进行各种配产条件下的衰竭实验，研究两区复合的低渗储层气井在低压生产阶段的生产动态特征；在实验研究的基础上，建立单井模拟模型分析储层应力敏感性和非均质性对开发指标的影响，研究考虑应力敏感时两区复合气藏储层中内区和外区渗透率变化对开发动态的影响规律。

Diabetes is a social disease that affects several million people worldwide.

糖尿病是一个社会性疾病，全世界有数百万人罹患此病。

I'll call you on Friday to see if we can reschedule our luncheon meeting at your convenience.

我星期五会给您打电话在您方便的时候我们重新安排我们的午餐约会。