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recorder
相关语句
  记录仪
    REFRIGERATOR'S PARAMETERS COMPREHENSIVELY TESTING RECORDER
    电冰箱参数综合测试记录仪
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    Investigation of an Intelligent Circular Chart Regulation Recorder
    智能圆图调节记录仪的研究
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    A Method of Change to the WRe3/25 Graduation by ER100 Recorder
    ER100型记录仪改WRe3/25分度号的方法
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    The development of portable dynamic electrocardiograph recorder
    便携式动态心电记录仪的研制
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    Application of ZJ-90 module recorder to tidal water level station
    ZJ-90模块记录仪在潮水位站的应用
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  “recorder”译为未确定词的双语例句
    This method was designed basing on a digital signal processor TMS320VC5402 and a USB flash disk based recorder, which realized the communication of DSP and USB flash disk with the use of embedded USB HOST solution.
    该方案以DSP芯片TMS320VC5402为核心,以USB闪存盘作为数据存储介质,通过嵌入式USB Host解决方案MemMaster V1.4实现了DSP与USB闪存盘的连接。
    Study of portable synchronous ECG recorder and its long-distance communication system
    便携式同步心电记录器及其远程通信系统的研究
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    A Study on the Application of DS1615 Temperature Recorder
    DS1615温度记录器的应用研究
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    Application of DPL Ⅱ Crystallization Recorder in Polymers
    DPL-Ⅱ结晶速度仪在高聚物中的应用
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    Temperature Recorder Made by Integrated Sensor and IC Card
    用集成传感器和IC卡制作的温度记录器
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  recorder
A Recorder of Broadband Signals with Accelerated Data Output
      
An 8-bit recorder with a sampling frequency of 200 MHz and maximum frequency band of processed signals of 150 MHz is described.
      
Results on the separation of small signals from noise using this recorder are presented.
      
Measuring the Amplitude Characteristic of an Image Recorder Based on a CCD Matrix
      
A method for studying the amplitude characteristic of an image recorder designed on the basis of a charge-coupled device (CCD) matrix is described.
      
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A high resolution mass spectrometer for organic analysis has beendeveloped. This instrument is based on the ion optical system theory having com-plete second order double focusing as suggested by Matsuda. A mass resolution of70000 is achieved. At 8kv accelerating voltage, the mass range of 1~1200 amu isobtained. Sensitivity of the mass spectrometer is better than 1×10~(-11)c/μg (resolution10000). In the mass range of 18~999 amu, a marker of every mass peak on theUV recorder chart may be given, and the...

A high resolution mass spectrometer for organic analysis has beendeveloped. This instrument is based on the ion optical system theory having com-plete second order double focusing as suggested by Matsuda. A mass resolution of70000 is achieved. At 8kv accelerating voltage, the mass range of 1~1200 amu isobtained. Sensitivity of the mass spectrometer is better than 1×10~(-11)c/μg (resolution10000). In the mass range of 18~999 amu, a marker of every mass peak on theUV recorder chart may be given, and the mass number's digit is displayed. Usingthe peak matching method, the accuracy of mass determination is 5ppm within 10%mass range. The accuracy of mass determination of a high resolution mass spectrafrom the output of the data system is better than 5ppm. Experiment demonstratesthat a high mass resolution of the mass spectrometer can be achieved by simpleadjustment. It is known from experimental results that the effect of α slit widthand β slit width on the mass resolution is small. It comfirms that the focusingcharacters of the optical system are avialable. The instrument has a conventionalelectron impact ion source, a field ionization/field desorption/electron impactcombined ion source. We have built our emitter activation device. The sampleinlet system of the instrument includes both the direct inlet and reference inletfor the standard sample PFK. The DJS-130 computer of the data system has 32Kcore memory, 16 bit, 2μs cycle time. The A/D converter of the interface has 16bit 20 kc. The data system has the application programs of high and low resolu-tion mass spectra. The analytical results of the sample of plant chemistry by meansof the mass spectrometer is described. According to the table of element componentof the data system output, molecular weight and molecular formula of the compoundsmay be determined.

按照MATSUDA完全二级双聚焦离子光学系统的理论,试制成功了有机分析高分辨本领质谱计ZhP5。仪器的最高分辨本领优于70000,除常规的电子轰击离子源(EI)外还配有场致电离、场解吸和电子轰击的组合离子源(FD/FI/EI)。接收器用闪烁探测器。仪器与计算机连用,其质量测量精度高于3mmu。本文对仪器的概况和某些实验结果作了一般的介绍。

In designing and constructing a laser Raman spectrometer, one ofthe important problems to be tackled is the rejection of the stray light. It is neces-sary to study the origins of stray light in the spectrometer, and the method and conditions of testing stray light. This paper presents the method of testing thestray light in a laser Raman spectrometer, and deals with the results of experi-ment as well. Ⅰ. Stray light level: the stray light level at Δνcm_(-1) in a Raman spectrometercan be characterized by I_(Δν)/I_0....

In designing and constructing a laser Raman spectrometer, one ofthe important problems to be tackled is the rejection of the stray light. It is neces-sary to study the origins of stray light in the spectrometer, and the method and conditions of testing stray light. This paper presents the method of testing thestray light in a laser Raman spectrometer, and deals with the results of experi-ment as well. Ⅰ. Stray light level: the stray light level at Δνcm_(-1) in a Raman spectrometercan be characterized by I_(Δν)/I_0. Where I_0 is the intensity of Rayliegh scatteringlight measured at exit slit with the selected wavelength as an exciting line, and I_(Δν)the intensity of unwanted light at exit slit when the spectrometer is set at Δνcm~(-1)from the exciting wavelength. The distribution of stray light in a Raman spectro-meter can be characterized by the so-called stray light "profile"——curve I_(Δν)/I_0-Δν. Ⅱ. Testing method: The optical method is adopted. During the test the perfor-mance of a laser Raman spectrometer as well as the conformity of the testingresults with the actual operation of the instrument is taken into consideration, sothat the real rejection of stray light in the spectrometer can be obtained. (1) Acoherent source-laser is used: Ar~+ laser with wavelength of 5145A or 4880A,or kr~+ laser with wavelength of 6470A. (2) Take a piece of chalk (CaCO_3) as thesample to measure the intensity of Rayliegh scattering light under the illuminationof laser and the intensity of unwanted stray light. (3) Use the detector and recor-der of the spectrometer under test. (4) High density neutral filter combinationconsisted of several different density neutral filters. In such a way an appropriatecombination of density in the process of measurement may be selected, so as toattenuate the intensity of incident light, thus making the light signal emerged fromexit slit fit the detector. Ⅲ. The procedure of measurement: For studying the stray light distributionwithin the range of ±100cm~(-1) from Rayliegh scattering line of exciting wavelength,it is necessary to obtain the stray light "profile". The intensity of Rayliegh scatter-ing light is measured at first, then the wave number scan mechanism is set to chan-ge the value of Δν step by step, and the corresponding value of I_(Δν) is recorded.The I_(Δν)/I_0-Δγ curve is drawn at last. For obtaining the correct results of experi-ment, the followings are taken into account: (1) Keep the output of the laser sour-ce stable in the whole course of measuring the stray light "profile". (2) The co-oling temperature of photomultiplier is kept constant so as to ensure the sensitivi-ty of photomultiplier unchanged in the course of measurment. (3) The transmittan-ce of neutral filter combination is not equal to the product of those of the indi-vidual filters. One way used to solve it is to adjust while measuring and use theadjusted coefficient while calculating. (4) The zero point of D. C. amplifier and ze-ro line of recorder is adjusted several times during the measurement. (5) No othersources is allowed to enter the spectrometer under test. Ⅳ. Four factors effecting the stray light level measured: width of entranceand exit slit, the intermediate slit width, height of exit slit and wavelength of la-ser source.

本文叙述了激光拉曼分光计中杂散光的测试方法及获得杂散光“廓线”的步骤。在测试中考虑到激光拉曼分光计的特性和使测试结果与仪器实际运转情形相符,以便求得激光拉曼分光计实际降低杂散光的程度。为了使实验结果正确,文中还指出应注意事项。对激光拉曼分光计中影响杂散光的因素及测试杂散光的条件进行了研究,实验结果也发表于此。

A syringe needle integrated pressure transducer (type PT-1) is presented. Its sensor consists of a full bridge of pressure sensitive resistors and a differential amplifier on a (100) oriented silicon chip which measures 1.gram by1.8mm. The assembled pressure transducer can be used for measuring blood and other pressures. Its output signal can be displayed by voltmeter, oscil- loscope or recorder, etc. The instrument has the benefit of small size, light weight and low cost, and such characteris- tics as...

A syringe needle integrated pressure transducer (type PT-1) is presented. Its sensor consists of a full bridge of pressure sensitive resistors and a differential amplifier on a (100) oriented silicon chip which measures 1.gram by1.8mm. The assembled pressure transducer can be used for measuring blood and other pressures. Its output signal can be displayed by voltmeter, oscil- loscope or recorder, etc. The instrument has the benefit of small size, light weight and low cost, and such characteris- tics as high sensitivity (about lmV/mmHg), good linearity, small hysteresis, large measuring range, simple processing circuit, etc.

本文报导了一种针头式PT-1型集成压力换能器,其电路由应变电阻全桥和一只差分放大器组成,集成在1.8×1.8×0.2mm~3的<100>晶向硅片上,接上针头后可用于针刺测量血压或其它压力,也可接上导管供体外测压用,其输出可用电压表、示波器或记录仪等二次仪表显示。该换能器具有体积小、重量轻、灵敏度高(约1mV/mmHg)、线性好(优于0.5%)、滞后小(小于0.5%)、量程大(大于500mmHg)、后部电路简单和价格较低等优点。

 
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