Nuclear radiation from power plant leaks and bomb tests resulted in millions fewer baby girls born worldwide, according to a new study. 根据一项新研究,核电站核泄漏事故和炸弹试验释放的放射性物质导致全世界女婴出生数量减少了数百万名。
Test methods for agricultural wheeled and tracklaying tractors& Part 9: Drawbar power tests GB/T3871.9-1993农业轮式和履带拖拉机试验方法第9部分牵引功率试验
Green means GO for high battery voltage, red refers to low battery levels, and an unlit LED warns of insufficient battery power to conduct further tests. 绿色灯亮表示高电量,红色灯亮表示低电量,无灯光的LED则警告电池电量不足以进行下一个测量。
Fill power ratings are based upon tests completed after the down and feathers have been washed and sorted but before insertion into garments or bedding products. 蓬松度等级是羽绒羽毛在洗涤和分类后,但是在塞入服装和被褥之前,进行测试,并完全依据测试结果。
Combined-cycle Power Plant; Acceptance Tests; Quality Control. 联合循环机组;性能试验;质量控制。
Research on corrosion resistance of materials for wind power equipment by salt spray tests 风力发电设备常用材料的耐盐雾腐蚀性能研究
The results of both the power system dynamic simulation tests and field operation show the effectiveness of the developed system. 动模试验和现场运行结果表明了该方法的可行性和有效性。
Power system harmonic tests and harnesses 电力系统谐波检测与治理
Power test is essential in measuring input electricity characteristics and input power characteristics of electro-acoustic transducers such as loudspeakers, horn loudspeakers, etc. Conventionally, simulated programmer signals for power tests are generated with analog instruments. 在测量扬声器等电声换能器的输入电特性和输入电功率特性时,都要使用模拟节目信号作为测试信号进行功率负荷试验,传统的方法是采用模拟仪器生成的。
Universal calculation software for steam turbine thermal tests is a computer technology practically applied to steam turbine and other thermal power equipments tests in power plant. 汽轮机热力试验通用计算软件是计算机技术在火电厂汽轮机热力试验及其它热能动力设备试验工作中的实际应用。
A programmable power supply which tests action characteristic of voltage relay is presented. 介绍了用于电压继电器动作特性测试的可程控交流电源。
This paper presents the results of experimental study on the required stiffness of a power supply for DC pollution tests. 本文介绍了直流污闪试验电源所需坚挺度的试验研究结果。
Variable Frequency Power Source for High-voltage Tests Based on Computer Monitor 计算机监控的高压试验用大功率变频电源
Also the preliminary high power tests on klystron windows are presented. 本文还对速调管窗的初步高功率试验进行了讨论。
High power tests on a helix resonator without beam 螺旋波导加速腔的不载束高功率试验
A lot of lightning impulse and power frequency arcing tests are performed with shunt gap test specimen, and test results show that shunt gap can effectively make insulator strings and wires exclusive from ablation of power frequency arc incurred by lightning stroke. 对并联间隙试品进行了大量的雷电冲击和工频电弧试验,结果表明并联间隙能有效保护绝缘子串和导线免于雷击引起的工频续流电弧的烧蚀;
Shaolin spirit is not only the soul of Shaolin culture but also the internal power undergoing severe tests. 少林精神是少林文化的灵魂,也是少林武术历久不衰的内在动力。
The test of goodness-of-fit is an important means to establish a statistical model. Many test statistics reach their own extreme value at an "ideal sample" but EDF statistics not. It certainly affects the power of the tests. 拟合优度检验是建立统计模型的一个重要手段,很多检验统计量用一个理想样本能达到它们自己的极值,但EDF统计量做不到,这无疑会影响检验的势。
The validity of the communication service model and the feasibility of the mode of telecontrol information transmission have been proven through developing a simple WAN-based prototype system for power system telecontrol and making tests on it. 通过实验室初步原型系统的开发和试验,验证了IED远动通信模型的正确性和IED直接上网传输远动信息方法的可行性。
The relationship between the belt tightness of walking tractor and power losses was researched through tests and theoretical analysis. 研究了手扶拖拉机传动皮带松紧度对摩擦功率和滑转功率的影响关系。
The results of simulations of a multimachine power system and dynamic simulation tests show that the adaptive optimal excitation controller has better performances than conventional excitation regulator and can track automatically the changes in synchronous generator and power system. 加快了响应速度。多机电力系统的仿真计算及动模试验结果表明,该控制器具有比常规励磁调节器更优越的性能,并且能自动跟踪同步发电机的运行状态变化。
Methods The procedures of power analysis for some common tests and the power tables are derived from the power function mentioned by Lachin ( 1981). 方法由Lachin(1981)所述通用功效函数引申出常用检验功效分析方法。
Performing Power Lines Conducted Susceptibility Tests on Electronic Equipment of Missile Electronic Equipment 导弹电子设备电源线传导敏感度测试研究
The concordance between the output pressure-flow curve and the target constant power curve was validated through tests on cannon hydrostatic driving system, revealing that the self-regulation function of cannon driving system comes true. 通过火炮静液压驱动系统的实测实验,验证了输出压力流量曲线与目标恒功率曲线基本一致,实现了对火炮驱动系统的自动调解。
Based on analysis of power source in no-load test of large power transformer, the cause for larger power source capacity in tests are given. The compensation method with parallel capaci-tance to solved the power source problem in no-load tests is presented. 通过对电力变压器空载试验电源的分析,指出了造成试验要求电源容量较大的原因,提出了解决空载试验中电源容量问题的并联电容补偿方法。
Classification of Over-voltage s during Power Frequency Voltage Withstand Tests and Prevention Measures 工频交流耐压试验产生过电压分类及防止措施
Currently, the conventional detection methods of high voltage cable insulation level mainly include two types: high-voltage power cables preventive tests and high voltage power cable fault location. 目前,高压电缆绝缘水平的常规检测方法主要有两种:高压电缆预防性试验及高压电缆故障定位。
Finally, the overall power of the tests carried out, giving the the test results of small-signal. At last giving the result of the one-tone and two-tone singal. 最后对功放进行了整体的测试,给出了功放小信号的测试结果和大信号单音测试以及双音测试的结果。
Using the soft-sensing mode based on SVM to perform an off-line modeling of for the Pulverizing System history data in a thermal power plant. After several tests and comparison, the nuclear function and other parameters of the model are determined. 针对某火电厂中制粉系统的历史数据,运用基于SVM的软测量模型对其进行离线建模,经过多次试验对比,确定模型的核函数及其他参数。