查询词典 randomized test

As showed in Fig.1, the diagrammed stress of short time endurance test forAs showed in Fig.1, the diagrammed stress of short time endurance test for500 hours at 565℃on welded-joint of T91-F12 is 240MPa. Considering the℃on welded-joint of T91-F12 is 240MPa. Considering thedispersity of±20％, stress of check test for 500 hours is 192MPa. The result±20％, stress of check test for 500 hours is 192MPa. The resultof short time endurance test for 500 hours at 565of short time endurance test for 500 hours at 565℃on T91-X20CrMoV121℃on T91-X20CrMoV121welded-joints is showed in Tab.5. The result shows that the short timewelded-joints is showed in Tab.5. The result shows that the short timeendurance stress of weldedendurance stress of welded-joints with two procedures at 565℃for 500 hours-joints with two procedures at 565℃for 500 hoursboth above 192MPa, and meet the requirement.both above 192MPa, and meet the requirement.

依据图1，对T91－F12 焊接接头 565℃温度下的短时持久性能 500 小时考核试验依据图1，对T91－F12 焊接接头 565℃温度下的短时持久性能 500 小时考核试验的图示应力值应为 240MPa，按照持久强度试验数据的±20％的分散度，取 500的图示应力值应为 240MPa，按照持久强度试验数据的±20％的分散度，取 500小时考核试验应力值为 192MPa.T91－X20CrMoV121 焊接接头 565℃、500 小时小时考核试验应力值为 192MPa.T91－X20CrMoV121 焊接接头 565℃、500 小时短时持久考核试验试验结果见表5 ，试验结果表明，两种工艺条件下的焊接接头短时持久考核试验试验结果见表5 ，试验结果表明，两种工艺条件下的焊接接头565℃温度下的短时持久性能，500 小时的持久断裂应力均高于 192MPa，结果符565℃温度下的短时持久性能，500 小时的持久断裂应力均高于 192MPa，结果符合要求。

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我们的目标：大中仪器，赢在中国专业生产插拔力试验机、转轴寿命试验机、纸带耐磨试验机、酒精耐磨试验机、手机翻盖试验机、手机滑盖试验机、手机跌落试验机、手机扭曲试验机、手机触摸屏耐划伤试验机、笔记本耐压试验机、按键寿命试验机、荷重位移曲线试验机等等

Major step forward in the Czech Republic operating Products: high and low temperature test chamber, the high and low temperature humid chamber, the high and low temperature alternating humid chamber, constant damp-heat test chamber, salt spray corrosion test chamber, high temperature thermostat chamber, high temperature aging test chamber, light-resistant climate test chamber, rain test chamber, mold chamber, vibration, and various large-scale testing laboratory, oven and so on.

迈捷经营的主要产品：高低温试验箱、高低温湿热试验箱、高低温交变湿热试验箱、恒定湿热试验箱、盐雾腐蚀试验箱、高温恒温试验箱、高温老化试验箱、光照耐气候试验箱、淋雨试验箱、霉菌试验箱、振动、测试仪及各类大型试验室、烘箱等。

Salt Spray Test Chamber Environmental Test Equipment, Humidity Test Chamber, Thermal Shock Test Chamber, aging chamber, UV ultra-violet aging chamber, precision oven, rain test chamber, test chamber, such as sand and dust..

盐雾试验箱、恒温恒湿试验箱、冷热冲击试验箱、老化试验箱、UV紫外光老化试验箱、精密干燥箱、淋雨试验箱、砂尘试验箱等。

Salt Spray Test Chamber Environmental Test Equipment, Humidity Test Chamber, Thermal Shock Test Chamber, aging chamber, UV ultra-violet aging chamber, precision oven, rain test chamber, test chamber, such as sand and dust..

三。环境试验设备盐雾试验箱、恒温恒湿试验箱、冷热冲击试验箱、老化试验箱、UV紫外光老化试验箱、精密干燥箱、淋雨试验箱、砂尘试验箱等。

According to concrete conditions of the wing flap retraction-extension system of the 18 trainer aircraft, this paper ca nes out a research into the relibility demonstration test and the life test plans of the system, and deals with some key issues related to the test in a deep manner, such as relation between the reliability test parameters and the reliability indexes, converting from working time, composite test profiles, the mathod determining reliability test parameters for success ratio and so on.

本文针本对L8机襟翼收放系统的具体情况，研究了其可靠性验证试验和寿命试验方案，并深入研究了涉及试验的关键问题，例如：可靠性试验参数与可靠性指标之间的关系，工作时间与工作次数的折算，合成试验剖面，确定成败型可靠性试验参数的方法等等。

The handling stability is analyzed, mainly the steering transient response test of steering wheel step input、 the steering transient response test of steering wheel angle pulse input、 return-ability test、 steady static circular test and central steering test are carried out. With those test, how the front suspension system can influence the handling and stability performance is investigated.

在此基础上进一步建立了整车模型，包括前悬架系统、后悬架系统、转向系统、前轮胎系统、后轮胎系统、车身系统，分析了该车的操纵稳定性，主要进行了稳态回转试验、转向盘角阶跃输入、转向盘角脉冲输入、转向回正试验、转向盘中间位置转向试验，并通过这些试验来考察了前悬架对操纵稳定性的影响。

Objective To compare the powers among the Wilcoxon test, Kruskal-Wallis test and Median test on completely randomized design of independent samples.

目的 对完全随机设计时两样本比较的Wilcoxon、Kruskal-Wallis及Median三种方法的检验功效进行比较。

Methods: A prospective, randomized, single blind and parallel control clinical study enrolled 100 patients with icterohepatitis, who were randomized 1∶1 to two treatment groups; each group was intravenously infused daily over a six-week treatment period:(1) 20 μg of Lipo PGE_1 injection;(2) 20 mL of potassium-magnesium aspartate injection.Results:The Lipo PGE_1-treated patients were more superior in the recoveries of physical characteristics, icteric index and liver functions to the control group.

采用随机对照、单盲方法进行前瞻性试验。100例病毒性肝炎高胆红素血症患者随机分为试验组及对照组各50例，在综合治疗基础上，试验组加用LipoPGE120μg·d-1，对照组加用门冬氨酸钾镁20mL·d-1，两药均加入150mL生理氯化钠溶液中静滴，疗程6周。

Tailored exercise programs and yoga have been shown to reduce pain and prevent relapses in patients with chronic LBP.186–190 In randomized,clinical trials, osteopathic manipulation has been shown to provide moderate relief for LBP patients,191,192although one study showed no difference between the benefits afforded by true and sham manipulation.193 Acupuncture has also been shown in randomized trials to provide significant benefit in patients with chronic LBP.194–196 However, similar to manipulation, one of the largest and most methodologically sound studies found no difference between true and sham acupuncture.197

简易体操和瑜伽被证实在LBP患者中能减轻疼痛防止复发。在随机对照临床研究中，整骨推拿显示可以轻度缓解LBP患者的症状，但是一项研究显示真正和假的推拿对比后结果之间无差别。在一项随机研究中，针灸似乎也可以缓解LBP的症状，但是像推拿一样，一项大样本，方法更科学的研究认为真正和假的针灸结果并无差别。

"Second Life is remarkably easy to work with, and is very popular,"

"第二次生命是显着容易的工作，并且很受欢迎，"

For example, we usually assume that materials are homogeneous and isotropic and free of internal defects or flaws.

为了得到适合有限元分析的模型，我们必须经过如图2所示的简化步骤。