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thermocouple
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  热电偶
    An Analysis of the Dynamic Error of the Cutting-temperature Measurement by Thermocouple
    用热电偶法测量切削温度时动态误差的分析
短句来源
    The Analysis of Reliability for Quick Response W3%Re-W25%Re Thermocouple
    WRe3/25快速热电偶测温可靠性分析
短句来源
    Research of High Accuracy Thermocouple Temperature Transmitter
    高精度热电偶变送器的研究
短句来源
    SOME ANALYSIS ON STED TRANSMITTER OF THERMOCOUPLE
    STED热电偶式温度变送器分析
短句来源
    A Study on improving Dynamic Property of a Digital Thermocouple Temperature Measuring System
    提高热电偶数字测温系统动态性能的研究
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  热偶
    A X band thermocouple microwave power sensor was designed according to the thermoelectric theory. Its temperature distribution was simulated in Coventor, and refletion coefficient was simulated in HFSS.
    根据热电效应设计了一个X波段热偶微波功率传感器的结构,并对其温度分布用COVENTOR系统软件进行模拟,用HFSS对反射系数进行模拟。
    Chip fabrication of microbridge structure thermocouple type microwave power sensor
    微梁结构热偶微波功率传感器芯片的制作工艺
短句来源
    Analysis of Sensitivity of Microbridge Structure Thermocouple Type Microwave Power Sensor
    微梁结构热偶微波功率传感器的灵敏度分析
短句来源
    Nonlinear Compensation of Thermocouple Circular Canal Sensor in the Vacuum Measurement
    真空测量中热偶规传感器的非线性特性校正
短句来源
    Design and Fabrication of the chip of Microbridge Structure Thermocouple Type Microwave Power Sensor
    微梁结构热偶微波功率传感器芯片的设计与制作
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  “thermocouple”译为未确定词的双语例句
    This article describes the design idea, realizing problems and the main characteristics of the high accuracy thermocouple temperature transmitter.
    本文介绍了高精度温度变送器的设计思想、实现问题及其特点.
短句来源
    The Research of the System for Testing Thermocouple Transmitter
    温度变送器测试系统的研制
短句来源
    Design and Applications of Thermocouple Temperature Measuring Instrument Based on Apple II Microcomputer
    微机化温度测量仪的研制及其应用
短句来源
    Intelligent temperature transmitter design of multi-type of thermocouple based on single-chip computer
    基于单片机的多分度号智能温变设计
短句来源
    Microwave power dissipated in Ta2N resistive film generates heat to raise the temperature of the hot junction above that of the cold junction, thereby producing a dc voltage across the thermocouple.
    微波功率耗散在Ta2N电阻上转变成热能使热结温度高于冷结,这样冷热结两端就产生一个热电势,通过测量该热电势即可实现微波功率测量。
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  thermocouple
Flame temperature was measured by using a compensated fine-wire thermocouple.
      
The thermocouple junctions lay on two mutually perpendicular lines parallel to the bases of the cylinder and crossing at its axis.
      
The position of the transition region was determined from the results of measurement of the local heat flux by calorimetric thermocouple converters.
      
The subsequent temperature response in the metal is measured by a tiny thermocouple just underneath the (contact) surface.
      
It is shown that this system keeps a high sensitivity to the sample's magnetic moment and is insensitive to the signals produced by the sample holder and thermocouple due to the compensation of signals in all the coils.
      
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This paper describes in details how to use gold of low purity as a reference“gold point”for the calibration of different thermocouples,especially thosefor high temperature uses.A typical example is given for the calibration of anappropriate Pt-10Rh/Pt thermocouple.Different wire(or strip)methods arealso discussed and their results are compared and analyzed.The determination of the melting point of low purity gold wires(orstrips)is by the use of relatively pure gold wires of 99.999% purity as areference“standard”.When...

This paper describes in details how to use gold of low purity as a reference“gold point”for the calibration of different thermocouples,especially thosefor high temperature uses.A typical example is given for the calibration of anappropriate Pt-10Rh/Pt thermocouple.Different wire(or strip)methods arealso discussed and their results are compared and analyzed.The determination of the melting point of low purity gold wires(orstrips)is by the use of relatively pure gold wires of 99.999% purity as areference“standard”.When the emf of the Pt-10Rh/Pt thermocouple is oncedetermined at the“gold point”,this.same thermocouple is used for the deter-mination of the melting point of the low purity gold wire.This melting pointis therefore used as a reference“tandard”for the calibration of other ther-mocouples.Experimental results at the reference“gold point”indicate the possi-bility of such a usage with a good accuracy,within 0.5℃ reproducible.

本文详尽地以低纯度黄金的熔点温度为例,阐述“熔线法”对Pt—10Rh/Pt 热电偶检定的各种具体方法及其试验结果。讨论低纯度黄金作为“参考点”检定热电偶的可靠性,介绍如何通过“熔线法”确定低纯度黄金的熔点,并将这一熔点修正后,作为对热电偶标定的参考值的依据。通过试验结果表明:低纯度黄金进行的“断线(片)法”及“绕线(片)法”对Pt—10Rh/Pt 热电偶的复现性都在0.5℃之内。可以作为一般实验室及工业生产上,及时、简便地利用“金点”检定热电偶。

In this paper,the compensative condition with the additional thermocouplemethod to compensate the parasitic EMF was derived during measuring thecutting temperature by the method of natural thermocouple,and the methodof decreassing the measurement error was pointed out.It was shown that themethod of compensating the parasitic EMF with an additional thermocouplehas practical significance only when the measuring meter has a very highinternal resistance,

本文从理论上推导出用自然热电偶法测量切削温度时,用补偿热电偶法对所产生的寄生电动势进行补偿的补偿条件;对测量误差进行了分析;并指出减小测量误差的方法。通过理论分析及实验验证,证明只有用高输入阻抗的测量仪表进行测量热电势时,用附加热电偶来补偿寄生电动势的方法才有实用的意义。

An automatic adiabatic calorimeter for heat capacity measurements of solids and liquids in the temperature range 80~370K has been constructed. In this apparatus the shield temperature control, the electrical energy input and the heating interval measurement are all carried out automatically. The automatic control permits one-man operation of the apparatus.The main body of the calorimeter consists of a sample container, double adiabatic shields, an upper ring for preheating lead wires and a vacum can.The sample...

An automatic adiabatic calorimeter for heat capacity measurements of solids and liquids in the temperature range 80~370K has been constructed. In this apparatus the shield temperature control, the electrical energy input and the heating interval measurement are all carried out automatically. The automatic control permits one-man operation of the apparatus.The main body of the calorimeter consists of a sample container, double adiabatic shields, an upper ring for preheating lead wires and a vacum can.The sample container is made of silver of 99.95% purity, 0.3mm thick, gold-plated and polished, and is provided with a central re-entrant well for setting a thermometer heater assembly. Eight silver radial fins of 0.2mm thick, silver-soldered to the well and to the inside wall of the container, provided good thermal contact of the sample with the container. The size of the main body of the confiner is 3.2cm in diameter and 6 cm long. The total weight of the container is about 50g and its effective capacity is ca. 40ml.The temperature of the container is measured with a standard platinum resistance thermometer and a high-precision Smith bridge. The thermometer, which is platinum encapsulated, 25Ω, 5mm in diameter and 50mm long, was made by Yunnan Instrument Manufactory of China and calibrated at the Chinese Institute for Metrology in accordance with the IPTS-68. The accuracy of the bridge is±0.005% and the temperature is measured to 0.0001K.The temperature difference between the container and the shield is detected by an eight junction copper-constantan thermocouple, the signal from which is fed into a DWT-702 type precise temperature controller for automatically adjusting the current in the shield heater so as to maintain the temperature of the shield as close as possible to that of the container. Experiments demonstrated that during the heat capacity measurements the temperature difference between the shield and the container could be kept within 0.001K. The electrical energy for heating the calorimeter is supplied by a source of power, stable to about 10 parts per million. The energy input is started and stopped automatioally by a digital electronic timer and the heating interval is measured and presented on a digital counter of the timer with an accuracy of 0.005%.The instruments used in the present measurements have been calibrated at the Chinese Institute for Metrology.The reliability of this apparatus is verified through the heat capacity measurements of α-Al_2O_3 and n-heptane which are recommended as the heat capacity standards. The purities of the α-Al_2O_3 and the n-heptane samples available in these measurements are 99.993% and 99.99%, respectively.The results obtained with the present: calorimeter are found to be in agreement with those of Furukawa et al. within±0.30%. The precision of heat capacity measurements is ±0.04% over the entire temperature range.

本文详细描述了用于80~370 K温区内精密测定固体和液体物质热容的自动绝热量热装置。其中热屏绝热控温和样品加热计时均实现了自动化,全部操作可由一人单独完成。通过测定国际量热学会议所推荐的两种标准物质α-Al_2O_3和正庚烷的热容,证实了装置的可靠性;在全部实验温区内本文结果与美国标准局数据符合在±0.30%以内,测试精密度为±0.04%。

 
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