试验设计

First, the preparation of l,2-dichloro-4-nitrobenzene, which l-chloro-4-nitrobenzene reacted with chlorine in a self-designed chlorinator, in presence of Lewis acid catalyst,.was investigated. By means of the Orthogonal Experiments design and single factor experiments, the influence of several reaction variables on the yield were examined and the optimum reaction conditions under the intervallic operation were obtained, the yield of l,2-diehloro-4-nitrobenzene was 83.26%.

为此，本文首先在自行设计的塔式氯化器中，以对硝基氯苯为原料，路易氏酸作催化剂，分子氯氯化合成3，4-二氯硝基苯(合成3-氯-4-氟-硝基苯的原料)，根据该氯化过程特征，利用正交试验设计方法结合单因素实验考察了有关因素对氯化过程的影响，优化得到了最佳的氯化工艺条件，3，4—二氯硝基苯的收率可达83.26％。

The radial basis function model was built for the structural optimization based on the design parameters, which were obtained by the Latin square design of experiment.

以结构尺寸为设计变量，利用拉丁超立方试验设计方法选取样本点，建立径向基函数近似模型。

A major strength of this study was its yearlong duration, large number of participants and randomized, controlled, clinical-trial design, considered the gold standard of study designs in medicine.

一个主要的力量，这项研究是该国长达一年的时间，大批的参与者和随机对照，临床试验设计中，考虑到金标准的研究，设计，在医学上。

Design Follow up of a randomised controlled trial with a blind subtrial of hormone therapy versus placebo and a nonblind subtrial of open label hormone therapy versus nontreatment.

设计：随机对照试验设计：亚组盲法激素替代治疗 vs安慰剂治疗和亚组非盲法激素替代治疗 vs非治疗，并随访。

Design Follow up of a randomised controlled trial with a blind subtrial of hormone therapy ersus placebo and a nonblind subtrial of open label hormone therapy ersus nontreatment.

设计：随机对照试验设计：亚组盲法激素替代治疗 s安慰剂治疗和亚组非盲法激素替代治疗 s非治疗，并随访。

The article is being compared, analytic quality function spreads out and experiment design on the foundation of these two kinds of methods, advanced the design idea of will both compositive application, built both compositive model, this utmost ground produces respective advantage, make up for inadequacy, achieved the quality competition advantage of company product thereby.

文章在比较、分析质量功能展开和试验设计这两种方法的基础上，提出了将两者集成应用的设计思想，并建立了两者的集成模型，这最大限度地发挥各自的优势，弥补不足，从而实现了企业产品的质量竞争优势。

This graduation primary of project coverage is: 2×80m bottom-road bridge continual steel truss girder bridge structure analysis and load experimental design.

猫(13)：本次毕业设计的主要内容是：2×80m下承式连续钢桁梁桥结构分析与荷载试验设计。

The optimization of tomato bacterial wilt was investigated through Single-factor experiments and Uniform Design in hydroponics.

通过单因素试验和均匀试验设计研究了水培条件下番茄青枯病发生的最佳条件。

In this paper, the proper experiment point was selected through space-filling experiments designs, and then the simulation model of high pressure common rail diesel was operated according to these points, which results engine performance database. The response model based on the input-output performance of the database has a good prediction accuracy to meet modeling requirements.

本文通过空间填充试验设计得到75个工况点，然后在一款电控高压共轨柴油机仿真模型上进行虚拟试验，得到发动机控制参数输入和性能输出的数据库，基于输入输出性能数据库建立的响应模型，经验证具有很好的预测精度且满足建模要求。

The detection of infrared spectrometer and ultraviolet spectrometer proved that glacial acetic acid had been inserted into graphite.

并综合正交试验设计和实际验证试验的结果，得到制备可膨胀微粉石墨的最佳工艺条件。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。