sampling test

Based on the working principle of a big current test cabinet in the reliability tests devices for small circuit breakers, the signal sampling theory and signal reconstitution theory were introduced. The sampling of test current and its analysis and calculation were expounded.

在介绍了小型断路器可靠性试验装置中大电流试验柜工作原理的基础上，引入信号抽样、信号重构理论，阐述了对试验电流的采样及分析、计算处理过程。

Life test for space relays is a compulsory sampling test before the products go out.

航天继电器可靠性寿命试验是产品出厂前必做的一项抽样试验。

Methods Self-Rating sleep state scale ( SRSS) was used for the sampling test on middle school students, college students, workers and soldiers in ten regions of China.

方法采用正常人睡眠自评量表（SRSS）对全国10个地区中学生、大学生、职工、军人进行抽样测试。

In order to test the sampling apparatus, the VI, E data of benzene-2-propanol and cyclohexane-2-propanoi systems have been measured.

并用两组文献中的气-液平衡数据检验了自制液上采样系统的可靠性。

During the flying test of sampling and checking of the Missile Lot 06, they continuously take place no detonation when two missiles meet with the target, then they still take place non-detonation after sending out the order of the missile self-destruction.

在某导弹06批批抽检弹飞行试验中，相继出现两发导弹与目标交汇时未爆炸，发出自毁指令后，仍未爆炸的故障。

The conventional quality control method of earth-rock dam construction is mainly based on test pits sampling. This method is difficult to meet the demands of high intensity and high mechanization of large-scale dam construction because of man-made interference and extensive management.

常规土石坝施工质量控制主要是以单元验收时的试坑检测结果为判断依据，人为因素干扰大，管理粗放，难以满足以高强度、高机械化为特点的大型土石坝工程施工的要求。

Test of AC sampling measurement device and data check

交流采样测量装置检测与数据传输比对

Through observation to the broken section and sampling test, the shaft's material and heat treatment are analyzed and it is pointed out that the main reason for the shaft breaking are bad chemical content and the unreasonable heat treatment.

通过断面观察与取样化验，分析主轴的材质及热处理状况，指出不良化学成分和不合理的热处理工艺是断轴的主要原因；

Imaginary load method and real load method can be used to test AC sampling measurement device of integrated substation automation.

变电站综合自动化交流采样测量装置可采用虚负荷法和实负荷法检测。

Determination of hybrid rate of silkworm by sampling test

家蚕杂交率抽样检验的判别方法

Various sampling methods for joint quality test of hot-rolled steel bar are introduced and discussed from flash butt welding, arc welding, electroslag welding and other aspects. According to different joints various sampling and test results evaluation methods are introduced in detail.

介绍了热轧钢筋接头采取的多种方法，从钢筋闪光对接焊接头、钢筋电弧焊接头、电渣压力焊接头等方面进行了阐述，对各种钢筋接头检验取样方法及试验结果评定做了详细的说明。

This paper expatiates on the sampling test method of NDT on welds, discussing the sampling positions and ratio through welding procedures and welding condition analysis, which is of referential value to testers and QC personnel.

为此，对焊缝无损探伤抽查法作了较为详细的说明和分析，特别是从焊接工艺、施焊条件分析方面对抽查部位、抽查比例进行探讨，对检查人员和质量管理人员来说都具有参考价值。

This multi-channel PM2.5 sampler is fit for ambient PM2.5 sampling, of which the integral performance is verified with experimental test, parallel sampling comparison with a homogeneous commercial sampler made in the USA, and field sampling in three typical cities.

试验室验证、与美国同类商业化采样器的平行采样对比以及在三个城市的现场应用均表明，多通道PM2.5采样器的整体性能满足要求。

OBJECTIVE : To discuss problems concerning the current sampling test of drugs in China.

目的讨论我国现行药品抽样检验中存在的问题.

DESIGN: Random sampling test was conducted to postmenopausal women.

设计：以绝经妇女为研究对象，随机抽样检测。

Aiming at the disadvantages in sampling test under supply chain management, quality control and assurance strategy for suppliers are suggested. Quality control process of supply chain is presented. Precautions when selecting suppliers are pointed out.

针对在供应链管理下抽样检验存在的不足，提出供应商质量控制与质量保证策略，给出供应链质量控制流程，并指出在选择供应商时应注意的问题。

Finally, the sampling efficiency is increased. 3. A four-point test method for sampling in two-dimensional planning space is designed. This method uses four-point to identify obstacles in order to avoid redundant collection of the sunken area.

针对二维规划空间设计了四点采样测试方法，通过利用四个点所在位置的相对关系来识别障碍物的凸出部分，有效避免了凹陷区域的冗余采集。