測電流器具 的英文怎麼說

中文拼音 [cèdiànliúqìjù]
測電流器具 英文
instrument current measuring
  • 測 : 動詞1. （測量） survey; fathom; measure 2. （測度; 推測） conjecture; infer
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 器 : 名詞1. （器具） implement; utensil; ware 2. （器官） organ 3. （度量; 才能） capacity; talent 4. （姓氏） a surname
  • 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
  1. Meixing electronics factory is major in the vacuum tube stereo power amplifier, which is located in the nanhai city ， owned a workhouse over 1300 square meter, with five plant, they are box, seal and transformer circling 、 debugging & check, we also have the machine process, such as milling machine 、 punch 、 drill press 、 electric welding 、 matrix 、 incision machine, and radio tube test machine. we have realize the product line manufacture, the monthly whole output is over 200 sets

    美星電子是一個專業製造真空管身歷聲功率放大器的加工廠，位於廣東南海市黃岐工業區，擁有廠房一千三百平方米，工廠分機箱加工、焊接組裝、變壓器繞制、煲機老化、調試檢測五個車間，機械加工設備擁有銑床、沖床、創床、鉆床、電焊、模具製作、切割等二十多臺，電子管及整機檢測調試儀器十餘臺，該廠實現了配套設備、流水作業，每月可生產膽機二百臺以上，可謂中國專業生產膽機最大規模的工廠。
  2. This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions

    首先對加速度計及其測試技術的發展歷史和現狀，液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹，然後確定了以二元調寬脈沖再平衡測試迴路為設計方案，並從控制理論的角度進行了分析，著重研究了系統中各部分的傳遞函數，利用系統開環傳遞函數分析了系統的穩定性，同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題，並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路，驗證了電路的正確性，最後按照測試系統的要求，採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具，利用該圖形化編程語言完成了測試系統軟體部分的設計，實現了測試功能。
  3. Ser - elektronik gmbh offer to you electric meter and signalling devices in addition also info on electricity supply meters

    在以下范圍內我們提供產品和服務：差動、差別、差速器、測量工具和電流繼電器以及模仿或電表。
  4. The advantages of simple structure, good linearity, no magnetic saturation, widely measure band make it fit sample in optical - electric current transformer nicely. while, there also have many new problems in applying rogowski coils

    Rogowski線圈不僅具有結構簡單、線性度良好、無磁飽和、測量頻帶寬、動態范圍大等優點，而且體積小、重量輕，非常適合混合式光電電流互感器的取信號采樣繞組用。
  5. The subject inducts digital time division technology ( pwm ), which is more advantageous at the accuracy and the predigest of hardware than simulant multiplication. what they call measuring power energy reasonably is that measuting except harmonics power energy fed back power. yet it realizes reasonable measurement of power energy which measures by base wave ac parameters method base on digital time division

    本課題引入了數字時分割（ pwm ）脈寬調制技術，在測量的準確性、硬體電路的簡化等方面都比模擬乘法器具有較高的優越性。所謂合理的計量電能，就是不計非線性負載回饋給電網的負的諧波電能，而採用基於數字時分割的基波交流參數測量的方法，真正實現了電能的合理計量。
  6. Yulong electrical co., ltd, founded in 1988, located at shunde district of foshan, which is in the centre of the pearl river delta. it is a professional company that produces various kinds of control transformers and commute transformers. our factory has the most advanced technology and facilities, also inspectoral equipments

    宇龍電器有限公司（原二龍整流器廠）創建於1988年，位於珠江三角州腹地佛山市順德區，是生產各類型控制變壓器及整流電源設備的專業企業，具有雄厚的技術力量及先進的生產設備，檢測設備。
  7. The company is located at zhejiang ningbo technology park and it engages mainly in the smelting equipment of magnesium and aluminum allo y, quantitative conveying ana pouring equipment, gas protection device and the magnesium alloy pressure casting parts. the more, it can provide services of technology development, achievements transferring, process revamping, material inspection, computer stimulation, etc. the company is based on the strong technical strength of the military technology and the research institutes and has a large number of senior research personnel. the company owns many patents and know - hows, among which the magnesium alloy smelting, gas protection, quantitative pouringas well as the later on processing technology has reached the world advanced levet. the company sticks to aim of quality first, credit supreme and would like to provide best

    公司位於浙江省寧波市科技園區凌雲路199號，是以生產鎂合金鑄件為主業，包括壓鑄低壓鑄造等，並具備技術開發成果轉化等功能的綜合性科技公司，以兵器工業和科研院所的雄厚實力為依託，擁有自主知識產權的多項專利專有技術和國際一流的技術裝備，擁有教授博士碩士等高級專業研究人員數名在鎂合金鑄造產品研製及后續加工方面，我公司擁有技術領先優勢，目前我公司為電動工具汽車摩托車零部件it行業以及軍工方面提供配套產品配套設備技術咨詢與技術服務技術轉讓及聯合開發，還可以進行工藝改造材料檢測檢驗計算機模擬等多項服務
  8. For the advantages of glucose biosensors are obvious : high specificity, short time, simplicity and low cost of analysis, etc. one of the developments of glucose biosensor is the third generation amperometric enzyme electrode with direct electron transfer, which is commonly prepared by conducting organic salts and conducting polymers

    葡萄糖生物傳感器具有選擇性高、簡便、快速的特點，是檢測葡萄糖濃度最常用的方法。為提高傳感器的性能，一個發展方向是制備直接電子傳遞的第三代電流型葡萄糖生物傳感器。目前把利用導電聚合物或導電有機鹽制備的酶電極叫做直接電子傳遞的生物傳感器。
  9. This paper describes mainly system functions, measuring methods, circuit design, software program and errors analysis of a new type of measuring instrument. this instrument can measure and monitor electric parameters in single - phase circuits, three - phase ( three - wire or four - wire ) circuits. this system can be applied to electric devices and power plants, transformer substations with harmonic pollution. it can measure current, voltage, power, energy, frequence, power factor etc. it also can detect load quality, phase sequence, alarm, display and print results, as well as detect and dispose negative power

    該儀器適用於含有諧波污染情況下的機電設備現場、發電廠、供電局、企業變電所現場，可用來測量電流、電壓、有功功率、無功功率、視在功率、有功電能、無功電能、視在電能以及頻率和功率因數等電參數，並具有負載性質（感性、容性）判別，正、逆相序判別指示功能；超限報警功能；列印記錄功能和負功檢測及處理功能。
  10. The sample with low emitter efficiency has completed as the method of above. this lead to the greatly decrease of the reverse recovery time and the low reverse leakage and forward voltage, especially the excellent temperature character of the leakage. the test date shows that the samples reach the first class of international level

    本論文作者通過模擬測試，驗證了課題研究的理論設想，並設計製作了具有低陽極發射效率結構的高壓功率frd ，利用局域鉑摻雜和電子輻照相結合的壽命控制方式，實現器件反向恢復時間的極大減小，並且反向漏電流、軟度因子、正向壓降等關鍵參數也較理想，且具有極佳的漏電溫度特性，達到器件綜合性能的優良折衷，達到國際先進水平。
  11. The system is mainly comprised of a computer, sensors, cable, high pressure oil lines and electromagnetic overflow valve, has both the functions of measuring and control, and is awarded the explosionproof qualification certificate by china classification society

    該系統主要由計算機、傳感器、電纜、高壓油管線和電磁溢流閥等組成，既具有監測功能，又具有控制功能，而且取得了中國船級社的防爆合格證書。
  12. According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system

    針對研製任務的要求，課題期間研製了下位機系統硬體和軟體，開發了上位機監控軟體，其中所作的具體工作包括：測量原理的研究和在系統中的實現，在本次設計中用三種方法來進行水位測量，分別是旋轉編碼器法、液位壓力傳感器法和可變電阻器法；主控晶元的選擇，我們選用了高集成度的混合信號系統級晶元c8051f021 ；實現了信號的採集和處理，包括信號的轉換和在單片機內的運算；高集成度16位模數轉換晶元ad7705在系統中的應用，我們完成了它與單片機的介面設計及程序編制任務；精確時鐘晶元ds1302在系統中的應用，在此，我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬，該晶元的應用給整臺儀器提供了時間基準，方便了儀器的使用；另外，針對研製任務的要求，還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測，該部分的實現是通過採用ad421晶元來完成的，本設計中完成了ad421與單片機的spi介面任務，協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系，並完成了程序設計；與上位機的通信介面設計，該部分通過兩種方法實現： rs232通信方式和rs485通信方式；系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。
  13. The piezoelectric immunosensors are highly sensitivity, ease to digitize and real - time output. it can on - line, continuous determine, ease to combine with techniques of flow - injection analyze and realize to automation

    壓電免疫傳感器具有結構簡單、成本低廉、操作簡便、高靈敏度、高選擇性、干擾小、響應時間快等優點，而且能夠在線，易於和流動注射分析技術結合併實現自動化，從而可進行連續測定。
  14. With the experiment, the author believes that electrostatic transducer technology has several characteristics as the new means of mass flow rate measurement technique : its structure design is very novel and can be prone to be installed, it is more suitable for the measurement on the mass flow rate of the coal particulate in larger caliber pipelines and has higher delicacy in the measurement on both dilute and dense phases

    通過實驗，作者認為靜電傳感技術作為一種新興的質量流量測量技術具有以下特點：靜電傳感器結構設計新穎，易於安裝，適合於大口徑管道中煤粉顆粒的質量流量測量，對稀相及濃相測試均具有較高的靈敏度。
  15. In particular, the x - ray and y - ray detectors made from cdo. 9zno. 1te are able to reduce the leakage current and improve the efficiency for detection of radiation. besides, this mateial can work at room temperature for the applications of nuclear detector

    特別是採用高阻值cd _ （ 0 . 9 ） zn _ （ 0 . 1 ） te晶體制備的x射線及射線探測器具有低的漏電流和高的探測效率，能夠在室溫下穩定工作，是最有前途的探測器用材料。
  16. Leakage current is one of key factors for the energy resolution of the detectors, the mis detector has lower leakage current thus improve the energy resolution. the mis structure is a good contact type for the cdse detectors

    可見漏電流是影響探測器能量解析度的重要因素，具有mis接觸電極的探測器能有效地減小漏電流，提高能量解析度，因而是cdse探測器的一種較佳電極接觸方式。
  17. It is composed of magnetic pulse sensor and control components, and is a built - in part inside distributor. it detects engine cranking position signal and cylinder signal via sensor, followed by treatment by control unit, thus controlling the on off of the current of control ignition coil to achieve the purpose of ignition. it has a function of auto closing regulation

    該型產品是為微車無觸點點火系統而研發的，它由磁脈沖傳感器和控制組件構成，內置於分電器內，通過傳感器檢測發動機曲軸位置信號汽缸信號，然後經控制組件處理，控制點火線圈中電流的通斷，從而達到點火目的，具有閉合角自動調整等功能。
  18. It is composed of magnetic pulse sensor and control components, and is a built - in part inside distributor. it detects engine cranking position signal and cylinder signal via sensor, followed by treatment by control unit, thus controlling the onoff of the current of control ignition coil to achieve the purpose of ignition. it has a function of auto closing regulation

    該型產品是為微車無觸點點火系統而研發的，它由磁脈沖傳感器和控制組件構成，內置於分電器內，通過傳感器檢測發動機曲軸位置信號、汽缸信號，然後經控制組件處理，控制點火線圈中電流的通斷，從而達到點火目的，具有閉合角自動調整等功能。
  19. Abstract : the paper proposes a mathematical model of a / d converter with quantizing error, nonlinearity and differential nonlinearity errors for computer simulation, and based on the model, the errors caused by voltage change, current change and phase change in the power measurement are analyzed by computer simulation for both the asynchronous and quasi - synchronous sampling algorithms

    文摘:本文提出了具有量化誤差、非線性誤差和微分非線性誤差的a / d轉換器的數學模型，在該數學模型的基礎上，模擬分析了非同步采樣法、準同步采樣遞推演算法各種情況下的誤差，包括功率測量中電壓線性、電流線性、相位變化誤差及電壓測量的誤差。
  20. In this design, the protection in short circuit failure and the measurement in normal condition are both fulfilled. it can also communicate with the computer through the communicating interface, sending the parameter of the system current and accepting the instruction

    該傳感器具有正常電流的測量和短路故障時的保護功能，並且預留了與上位機的通訊介面，接受上位機的指令並向上傳送電網的電流參數。
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