电气测量的

So it has become a hot domain in the electrical research to measure the dielectric loss.

因此对电气设备绝缘介质损耗的测量已逐渐成为国内外电气研究中的一个较热门的领域。

Company Profile Beijing Xinyu win equipment limited liability company operating mainly in the production and domestic and international advanced testing equipment, instrumentation, and diagnostic tools, as well as introduce advanced test, measurement of new technology for operating purposes. A: electrical fire, building fire detection and public safety facilities, equipment detectors B: lightning protection, lightning protection device detection equipment, mine detection device safety box C: Fire Fire Safety Inspection and Testing equipment, and investigate the cause of the fire equipment, police station fire alarm Services and equipment D: fire inspection and fire investigation equipment boxes, fire investigation kits, fire detection equipment to determine the scene Product E: Fire Engineering Detect boxes, cartons Detect building fire service installations, fire detection electrical box F: Airport Fire fire inspection equipment, subway Fire Safety Detect Box G: boilers, pressure vessels and special equipment, elevator equipment Detect H: Victoria seized power telecommunications equipment boxes, mechanical state patrol boxes I: Detect safety boxes, traffic accident investigation boxes, property management Detected me J: Public environmental hygiene Detect boxes, boxes of food safety at the scene detection, occupational health care at the scene Detect boxes, cartons Detect Radiological Protection at the scene, the situation of sanitation and disinfection Detected me, health production supervisor at the scene seized me K: Ultrasonic leak detector, ultrasonic spectrum analyzer, ultrasonic full-function fault detection system L: fire using infra-red thermal imaging, infrared imaging system for industrial use, the security-type infra-red thermal imaging M: Energy Conservation Supervision and Testing Instruments instrument N: Private Product: 3 1/2- 8 1 / 2 handheld / desktop Digital Multimeter, cross-DC clamp level pressure ammeter, temperature gauges, tachometer, digital megohm table, grounding resistance tester, desktop multimeter, digital frequency meter smart, figure synthesis / function signal generator, desktop digital electric bridge, oscilloscopes, infrared thermometer, vibrometer, digital DC regulated power supply, 5 1 / 2 hand-held multi-function calibrator field process instrumentation. O: agent Products:, infrared thermometer, infrared, ultrasonic full-function fault leakage / discharge detection device, flammable / toxic gas detector, harmonic power quality analyzer, portable ultrasonic flowmeter, insulation / Ground Resistance Tester, temperature, current / voltage, the process of signal, thermal resistance / thermocouple, pressure, loop calibrator, such as electronics, telecommunications, electricity, petroleum chemical industry, safety inspection, steel smelting, public environmental protection, fire detection Secret rescue, fire detection equipment, special equipment testing, military field equipment dedicated monitoring equipment and tools.

公司简介北京新宇胜利仪器有限责任公司主要以生产和经营国际，国内先进的检测仪器仪表和设备诊断工具以及介绍先进的测试，测量新技术为经营宗旨。A：消防电气、建筑消防设施检测和公共安全侦检仪器设备B：防雷、避雷装置检测仪器设备、防雷装置安全检测箱C：消防防火监督检测装备、火灾原因调查装备、公安派出所消防警务装备D：防火检查与火灾勘查仪器箱、火灾勘查工具箱、消防产品现场判定检测仪器E：消防工程检测箱、建筑消防设施检测箱、消防电气检测箱F：机场消防防火检查仪器设备、地铁消防安全检测箱G：锅炉、压力容器和特种设备、电梯检测仪器H：电信电源维检仪器箱、机械状态巡检箱I：交通安全检测箱、交通事故勘查箱、物业管理检测箱J：公共卫生环境检测箱、食品安全现场检测箱、职业健康监护现场检测箱、放射防护现场检测箱、卫生消毒状况检测箱、健康品生产现场监检箱K：超声波泄漏检测仪、超声波频谱分析仪、超声波全功能故障检测系统L：消防用红外热像仪、工业用红外热像仪、本安型红外热像仪M：节能监督检测仪器仪表工具N ：自有产品：3 1/2-8 1/2位手持/台式数字多用表，交、直流钳形高低、压电流表，温度仪表，转速表，数字兆欧表，接地电阻测试仪，台式多用表，数字智能频率计，数字合成/函数信号发生器，台式数字电桥，示波器，红外测温仪，测振仪，数字直流稳压电源，5 1/2位手持式多功能现场过程仪表校验仪。O：代理产品：，红外测温仪，红外热像仪，超声波全功能故障泄漏/放电侦测仪，可燃/有毒气体检测仪，电力质量谐波分析仪，便携式超声波流量计，绝缘/接地电阻测试仪，温度、电流/电压、过程信号、热电阻/热电偶、压力、回路校验仪等电子、通讯、电力、石油化工、安全检查、钢冶、公共环保、消防特勤侦检救援、消防检测设备、特种设备检测、军事领域的专用仪器监测设备与工具。

Direct effect on the pressure distribution in the diaphragm, sensitive resistors sensitive patch on the bridge, using the huygens stearns piezoresistive effect achieved pressure strength to signal conversion, through the subsequent circuit will sensitive components of millivolt signal disposal for industrial standard signal amplifier.

传感器膜片及壳体材料具有不同的介质兼容性，用户应考虑被测介质的种类、杂质含量、浓度、温度等条件对压力测量产生的影响，选择合适的防护材料和测量结构。外壳接地端必须接地良好，接地电阻符合相关电气规范

In this thesis, synchronized sampling technology and realization of three-phase electricity quantity is discussed.

1引言交流电气参数的测量，先后出现了直流采样、霍尔原理法、模拟乘法器法等交流参数的测量方法。

The dissipation factor tip-up D tan d , the change of capacitance D C / C 0, the maximum discharge q max and the mean discharge magnitude q mean , A compared investigation of the correlations between V min , V av and service time were compared with those between D tan d , D C / C 0, q max, q mean and respectively.

对大量的不同运行年数的线棒进行了超声波 V min 和 V av 测量，以及介质损耗角增量 D tan d 、电容变化率 D C / C 0、最大放电量 q max 和平均放电量 q mean 等电气测量试验，对比研究了超声参数( V min 和 V av )和电气测量参数( D tan d 、 D C / C 0、 q max 和 q mean )与运行年数的相关性，发现， V min 和 V av 与的相关性很强，相关系数 R 分别为0.892和0.890，而 D tan d 、 q max 和 q mean 与的相关性较弱， R 在0.55~0.60范围内， D C / C 0与几乎没有相关性， R 仅为0.310；采用线性回归分析，分别建立了 V min 和 V av 与的二阶和三阶线性函数的数学模型， R-S 分别为0.828和0.903，并分别提出了最可靠运行年数和置信度为95％的可靠运行年数的预测方法。

They not only greatly improve the accuracy and speed of measurements of conventional electrical quantities, but also provide new approach to the measurements of nonconventional quantities, such as very-low frequency signals, which were not settled well in the past.

采样计算和数字波形合成技术在电气测量中占有非常重要的地位，它不仅使一些常规量的测量准确度和速度有了很大的提高，而且为一些过去未能很好解决的非常规量的精密测量提供了新的途径。

High performance electronic circuits is designed and implemented to achieve high accuracy dynamic unbalancing measurement.

设计实现了高性能的电气测量控制系统以确保实现高精度动不平衡测量。

Accident prevention;Anaesthesiology;Anaesthetic equipment;Breathing apparatus;Breathing equipment;Carbon dioxide;Classification;Classification systems;Control instruments;Definition;Definitions;Electric power systems;Electrical engineering;Electrical safety;Electromagnetic compatibility;EMC;Features;Gas mixtures;Gases;Hospital equipment;Incription;Instructions for use;Letterings;Marking;Measuring instruments;Medical breathing apparatus;Medical equipment;Medical gases;Medical technology;Monitoring device;Oxygen;Oxygen breathing apparatus;Oxygen concentration;Oxygen content;Protection against electric shocks;Rescue and ambulance services;Respired gases;Safety;Safety engineering;Safety requirements;Specification;Surveillance;Testing

中文标题医疗电气设备。呼吸气体监测器的基本安全性能的特殊要求中文主题词事故预防；麻醉学；麻醉设备；呼吸装置；呼吸设备；二氧化碳；分类；分类系统；控制仪器；定义；电力系统；电气工程；电气安全；电磁兼容性；特点；混合气体；气体；煤气；医院设备；功能；使用说明；文字书写；作标记；测量仪器；医用呼吸器；医疗设备；医用气体；医疗技术学；监视装置；氧；供氧设备；氧浓度；含氧量；防电击；救护服务；呼吸气体；安全；安全工程；安全要求；规范；监督；试验

Abstracts: This paper introduces the overall design plan of cement brick measuring machine. The pneumatic and electric control systems are designed.

本文介绍了水泥砖测量机的整机设计方案，对水泥砖测量仪的气压传动部分以及电气控制部分进行设计。

Accident prevention;Anaesthesiology;Ball compression test;Classes of protection;Classification;Classification systems;Clearances;Colour codes;Design;Determinations;Dictionaries;Dimensions;Earth conductors;Earthing;Electric appliances;Electric contact protection;Electric enclosures;Electric mains;Electric power systems;Electric shocks;Electrical accidents;Electrical appliances;Electrical engineering;Electrical equipment;Electrical medical equipment;Electrical protection equipment;Electrical safety;Electrically-operated devices;Electromagnetic compatibility;Electromedicine;Electrostatics;EMC;Enclosures;Environmental conditions;Equipment;Equipment safety;Explosion protection;Fire safety;General conditions;Graphic symbols;Hot-mandrel;Impact testers;Inspection;Instructions for use;Insulating enclosures;Insulations;Leakage paths;Letterings;Lists;Marking;Measurement;Mechanical safety;Medical equipment;Medical radiology;Medical sciences;Medical technology;Occupational safety;Operational instructions;Programmable;Protection against electric shocks;Protection coverings;Qualification tests;Radiation protection;Safety;Safety devices;Safety engineering;Safety regulations;Safety requirements;Specification;Strength of materials;Surveys;Symbols;Temperature;Test atmospheres;Test equipment;Testing;Testing conditions;Testing voltages;Transformers

中文主题词事故预防；麻醉学；球压试验；防护等级；分类；分类系统；间隙；色码；设计；测定；词典；尺寸；接地导线；接地；电器；电接触保护；电气外壳；电源；电力系统；电击；电气事故；电气设备；电气工程；医用电气设备；电气保护设备；电气安全；电驱动装置；电磁兼容性；电医学；静电学；EMC；外壳；环境条件；设备；设备安全；防爆；防火安全；一般条件；图形符号；热卷筒；冲击试验器；检验；使用说明书；绝缘外壳；绝缘件；漏电路径；文字书写；表；作标记；测量；机械安全；医疗设备；医学放射学；医学科学；医疗技术学；职业安全；操作说明书；可编程序的；防电击；保护覆盖层；合格试验；辐射防护；安全；安全装置；安全工程；安全规则；安全要求；规范；材料强度；调查；符号；温度；试验环境；试验设备；试验；试验条件；试验电压；变压器

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。