试验设计

First, a chlorinator was self-designed in this paper, and dichloride of 2-methyl-1-propene was synthesized by 2-methyl-1-propene reacted with chlorine fast in this reactor. 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 and selectivity of dichloride of 2-methyl-1-prop-ene were more than 65% and 80% respectively. Second, the preparation of 2-methylene-1, 3-propanediol, which dichloride of 2-methyl-1-propene reacted with alkali 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 conversion of dichloride of 2-methyl-1-propene was 100%. Moreover the preparation of MPO, which 2-methylene-1, 3-propanediol reacted with hydrogen, in presence of Al_2O_3-Pd catalyst, was gotten, and the product was appraised.

本文在氯化反应过程中，自行设计制作出了氯化管式反应器，在该反应器中异丁烯和氯气迅速混合反应生成二氯异丁烯，根据该氯化反应特征利用正交试验和单因素试验考察了有关因素的影响并优化得到了最佳工艺条件，二氯异丁烯的总收率达65％以上，选择性达80％；接着，对二氯异丁烯进行水解反应制得了2-甲烯-1，3-丙二醇，讨论了相关因素对水解反应的影响，并通过正交试验和单因素试验得到了较佳工艺条件，二氯异丁烯的转化率达100％；同时还对制备的2-甲烯-1，3-丙二醇在常压下采用三氧化二铝负载钯催化剂催化加氢得目的产物MPO，并对产品进行了鉴定，从而打通了整个工艺路线。

The tensile tests designed by orthogonal test used to test low carbon billet,hot roll armor plate and cold-roll armor plate at room temperature to investigate the influence of tensile rate on mechanical properties have been discussed in this paper.

采用正交试验方法设计拉伸试验方案，对低碳钢坯、低碳热轧及冷轧钢板进行了金属常温拉伸试验，考察试验速率对力学性能的影响。

Based on the similarity theory, two degrees of freedom flight test platform was designed to simulate the helicopter, then the platform was taken as the research object, and the Lagrange-Euler equation and the equivalent moment method were used to derive the system dynamics model, and the physical parameter was estimated.

基于相似性理论设计了具有两自由度的直升机飞行模拟试验平台，以该试验平台为研究对象，利用拉格朗日一欧拉方程与等效力矩相结合的方法推导出系统的动力学模型，预估了试验平台的物理参数；通过试验获得在固定总距角情况下直升机的升力随转速的变化关系。

Based on the similarity theory,two degrees of freedom flight test platform was designed to simulate the helicopter,then the platform was taken as the research object,and the Lagrange-Euler equation and the equivalent moment method were used to derive the system dynamics model,and the physical parameter was estimated.

基于相似性理论设计了具有两自由度的直升机飞行模拟试验平台，以该试验平台为研究对象，利用拉格朗日-欧拉方程与等效力矩相结合的方法推导出系统的动力学模型，预估了试验平台的物理参数；通过试验获得在固定总距角情况下直升机的升力随转速的变化关系。

At the same time, the large-scale shaking table test techniques of saturated sand ground were discussed, such as the design and preparation of saturated sand model ground, the arrangement of sensors and the test load program, which could be used as common reference to the same kind tests as well as necessary technical experience for subsequent shaking table tests on stone columns composite foundation in future.

同时，探索了饱和砂土地基液化大型振动台模型试验技术，如饱和砂土模型地基设计与制备、传感器布置、试验加载方案确定等，为今后开展此类试验提供一般的研究思路，并且为后续碎石桩复合地基振动台试验提供了必要的技术经验。

The three steps are feasibility experiment, match experiment of the main effect factors and experiment of oil indraft performance. During the experiments, for the complexity of flow field inside the shell, we had encountered with many difficult problems.

3根据溢油回收人工水母装置模型的旋涡理论分析，从简单到复杂设计了三个不同阶段的试验方案；可行性试验、主要参数匹配试验和吸油特性试验。

The article analyzes the relationship between transformer s winding structure and its induced voltage test method.

讨论了 110kV双绕组电力变压器内部绕组结构及布置与感应耐压试验方法的关系，变压器的感应耐压试验方法应根据变压器的结构来确定，同时变压器的结构布置也应考虑到试验方法的可行性以达到设计要求和试验要

Calculating the pavement fragment adoptioning contradicting -cleft -glue and glass fiber grille ,deal with the existing crevasse, at kaminaka surface layer install rubber asphalt water proof adhesive layer , at the same time guarding against water coming into nakashita surface layer、enhanced interlamination bonding ...

论文进行橡胶沥青混合料的主要试验内容有：1、根据京秦高速公路管理处提供的石料进行目标配比设计；2、进行混合料马歇尔击实及相关性能试验确定最佳油石比。3、根据冷料配比进行热料仓筛分，确定热料仓配比；4、根据热料仓配比进行马歇尔击实试验。4、进行混合料的路用性能试验，分析橡胶粉的掺入对沥青的高低温性能、弹性性能、抗老化性能的改善情况，分析橡胶粉的掺量、目数、胶源、加工工艺和基质沥青对橡胶沥青性能改善的影响程度。

Exhaust purity box is experimented in the way of upright meathed times are less for the multielement and multilevets ,the impact degree on the exhaust purity box canbe got from the experiment data analysis of various elements ,be offered to further the improvement of the exhaust purity box .

利用正交设计试验方法对净化消声器进行试验，在较少的试验次数下进行了多因素多水平的试验，从试验数据的分析中可看出各因素对净化消声器各性能的影响程度，为进一步提高净化消声器的性能提供了参考依据。

Cooperating with enterprise, this project has developed surface adhering sand glass fiber bar and carbon fiber bar, conducting experimental research on mechanical property of FRP bar, measuring main mechanical property indexes of tensile strength, elastic modulus and ratio of elongation, etc.

摘要］对表面粘砂玻璃纤维筋、碳纤维筋试验方法、基本力学性能进行试验研究，测试FRP筋的抗拉强度、弹性模量及延伸率等主要力学性能指标；对FRP筋试验过程、试验方法、破坏形态进行详细介绍，通过对试验结果进行处理，提出了用于构件设计的力学性能指标，供工程技术人员参考。

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。