Requirements management is a precursor to the bulk of the testing effort, providing a significant amount of test motivation and validation needs. 需求管理是大多数测试工作的先驱,提供了大量的测试动机和确认需求。
Estimate bulk testing cost of requirements/ scenarios 估算需求或场景的整体测试成本
The difference between amount per unit volume and bulk density of refractory castable in definition is pointed out, a testing method of amount per unit volume of refractory castable is introduced. 指出了耐火浇注料单位体积用量与体积密度定义上的区别,介绍了一种测试耐火浇注料单位体积用量的试验方法。
Feedback Latency: the bulk of the testing in this workflow is manual, and that means it takes days or weeks to discover the effect of a given change. 反馈延迟:这种工作流程中,大量的测试都是手工方式,这就是说要花费几天甚至几周的时间才能发现原先给出的变更所产生的效果。
This article briefly introduced the bulk testing method on vacuum degree in arc chamber for vacuum switch, including test principle, hardware composition, software design, vacuum degree calibration and the performance, front panel, operation and usage etc. of the tester. 本文简要介绍真空开关灭弧室真空度不拆卸测试方法,其中包括测试原理、硬件组成、软件设计、真空度标定,以及测试仪的性能、板面、操作和使用方法等。
Simulation of Bulk Grains Loading and Discharging Systems and Testing of Statistical Data 散粮装卸系统模拟和统计数据检验
CPLD and FPGA are programmable logic devices. Digital systems designed by them have following merits: short development cycle, low cost of design and manufacture, advanced development tool, bulk article no testing, stable quality and online verify. CPLD和FPGA都是可编程逻辑器件,利用他们进行数字系统设计具有设计开发周期短、设计制造成本低、开发工具先进、标准产品无需测试、质量稳定以及实时在线检验等优点。
By evaluating the uncertainty for clay refractory bricks, the important factors of uncertainty which influence the bulk density for clay refractory bricks are tested repeatedly ( including preparing sample and testing). 通过评定其体积密度的不确定度,了解到影响该粘土砖的不确定度的主要因素为重复性试验(包括制样及检测)。
With a bulk construction of Rolled Asphalt-concrete Core wall Dams, there is an urgent need of the research on testing behaviors, construction characters and mechanical models of hydraulic asphalt concrete. 碾压式沥青混凝土心墙防渗土石坝工程的大量建设使得水工沥青混凝土试验性能、施工特性及其力学模型的研究显得十分迫切。
The deformation behaviors and the fracture properties of the Nd-based bulk metallic glasses ( BMG) were studied by X-ray diffraction ( XRD), material testing system ( MTS) and scanning electronic microscope ( SEM). 利用材料测试系统(MTS)、X-Ray衍射(XRD)和扫描电镜(SEM)等手段研究了Nd基大块金属玻璃的变形行为和断裂特征。
Compared with traditional bulk waves testing method, Lamb wave nondestructive testing has advantages of large-scale spread when lamb wave is excited in a place, and its testing is fast and efficient. 与传统的点对点应用超声体波(纵波和横波)的检测方法相比,兰姆波检测具有一处激励大面积传播的优势,检测快捷高效。
Besides, the system is expanded to measure the group refractive index of bulk material and the piezoelectricity properties of PZT thin film. The results are also given to demonstrate the higher testing accuracy and good repeatability of our system over a broad spectral range. 除此之外,还将本系统的应用扩展到块状材料的群折射率和PZT薄膜的压电特性的测试,并在宽光谱范围内获得了较高的测试精度和良好的重复性。
Presently, bulk wave inspection is in low-efficiency, and traditional ultrasonic testing based on piezoelectric sensors applys in limited occasion due to its high dependence on the acoustic couplant. So research on electromagnetic ultrasonic guided wave inspection in metal plates is made in this paper. 目前常用的超声体波检测效率较低,而且传统的超声检测技术因对声耦合剂的依赖而受到限制,为此本文研究电磁超声导波检测技术在金属板材中的应用。