One report noted that the iPhone didn't come close to passing Nokia's rigorous 'drop test,' in which a phone is dropped five feet onto concrete from a variety of angles. 有一份报告说,iPhone距离能够通过诺基亚严格的掉落测试还差得远。在这个测试中,手机需要从五英尺高的高度以不同角度掉落到水泥地面上。
Study of Mechanical Shock Data Acquisition System Used in Package Drop Test 冲击数据采集分析系统在包装跌落试验中的应用研究
The method of direction distinguishing not only is that used in heat transfer data processing of heat exchanger, but it is also used to find the solution of norm equation for pressure drop test. 方向鉴别法不仅可以用于换热器传热试验数据处理,也可用于压力降试验准则方程的求解。
Rapid determination of compactness and strength of clay subgrade by ball& drop test 用落球仪快速测定土基压实度和强度
Test method for impact resistance of pipeline coatings ( lime-stone drop test) 管道防腐层需冲击性试验方法(石灰石落下法)
Hydrophobicity Evaluation of Silicone Rubber Insulator Based on Dynamic Drop Test 基于动态液滴放电实验的合成绝缘子憎水性检测研究
Fulfills transportation test with master carton, for behaviour in climatic and drop test. 主卡通箱通过在运输过程的测试,包括气候的转变和跌落的试验。
Z101 Adding drop test for handheld appliance. 对于手持式器具增加跌落试验。
The status of an undercarriage at the touchdown instant is studied by analyzing the undercarriage parameters which change with the wheel rotational speed in the drop test. 以某歼击飞机前起落架为例,用落震试验的方法,通过分析起落架有关参数随机轮转速变化的情况,来研究飞机着陆瞬间起落架的状况。
FEM software, ABAQUS, is used to model the landing gear for an aircraft, and carry out the numerical simulation for drop test. 利用大型商用有限元软件ABAQUS对某机起落架建模,并进行落震试验数值模拟。
Drop test system for ammunition package was developed using sensors, gyroscope, and computer-aided test technology. 采用传感器、陀螺仪和计算机辅助测试技术,研究出弹药包装跌落测试系统。
The Research on Drop Test of Mobile Telephone and Its 'CAE Technology 手机跌落实验及其计算机模拟技术研究
Use the most economic package material, the most reasonable construction design to attain most ideal design result, and make the products pass every kind of drop test in the end. 用最经济的包材,最合理的结构设计,达到最理想的设计效果,并使产品最终通过各种包装测试。
In addition, the capabilities can simulate product mechanical reliability by through vibration and drop test analysis. 另外,这个模块可以通过震动和跌落模拟分析产品的机械可靠性。
The simulated output voltage is close to the drop test result. 动态有限元模拟结果与自由落杆测试结果接近。
The effects of liquid sloshing on spinning stability of satellite are investigated by means of drop test. 利用落塔试验研究液体晃动对卫星自旋稳定的影响。
In this paper, the mathematics model and simulation model of the passive landing gear shock absorber was built, and was verified by drop test. 在本文中,建立了被动控制起落架缓冲系统数学模型和仿真模型,并通过落震试验对该模型进行参数校验;
This paper introduces the method and results concerning rod drop test. 本文介绍了落棒试验理论分析的方法与结果,并将计算值与实测值进行了比较。
A numerical method for simulating drop test of landing gears 起落架落震试验的数字模拟方法
The process of incline driving safe drop test of a coal mine and is presented point out the problems in which should be paid attention to. 介绍了煤矿斜井人行车防坠试验的过程,指出了试验中应注意的问题。
Space effect in drop test 落棒法中空间效应的研究
Influence of imitation condition of spin-up and spring back drag loads on drop test result 在落震试验中起转和回弹载荷的模拟情况对试验结果的影响
After analyzing and discussing these results of drop test, a reasonable imitation style of spin up and spring back on the column style drop test bed is proposed. 通过对这些落震试验结果进行分析和讨论,得出了在立柱式落震试验台上进行落震试验时合理的起转和回弹载荷的模拟方式。
The methodologies for free drop test and bending test are introduced, considering the important effect of mechanical stress on the reliability of lead-free BGA packaging. 着重研究了机械冲击和应力对无铅BGA封装焊点可靠性的影响,介绍了BGA封装的可靠性力学试验(跌落、弯曲试验)及其分析方法。
So far, the reliability issues mainly focus on the warpage analysis and drop test, but seldom on the reliability subjected to thermal cycling or damp& hot environment. 目前,PoP的可靠性分析主要集中在翘曲分析和跌落测试,但在热循环和湿热环境下的可靠性研究比较少。
The shock experiment is made on the drop test platform, which validates the feasibility of the mathematical model. 在跌落试验台上对其进行了冲击性能测试,验证了模型的可靠性。
So it is feasible to use simulation in drill drop test. 证明了仿真技术在电钻跌落中的可行性。
The test result of flip reliability is obtained through two different drop test methods, which shows consistency between test and simulation and the simulation result rationality. 按照两种不同的跌落试验方法,得到了翻盖结构可靠性的试验数据,表明仿真结果与试验结果的一致性,确认了仿真结果的合理性。
Through literature research, this paper analyzes the basic principles and its adaptability of the widely used gas reserves calculation methods, including material balance method, pressure drop test method, pressure restore well test, production accumulation method. 通过文献调研,分析了应用广泛的常规气井储量计算方法(包括物质平衡法、压降试井法、压恢试井法和产量累积法)的基本原理,并对其适应性进行了研究。
The cervical spine drop test results were used to validate the model. 利用颈椎离体坠落实验对模型的有效性进行了验证。