穩流儀 的英文怎麼說
中文拼音 [wěnliúyí]
穩流儀
英文
stabilizer-
The stability of high dc current compartator with double magnetic detector
雙重磁檢測器直流大電流比較儀的穩定性研究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。Firstly, the tio2 thin films are deposited by dc reactive magnetron sputtering apparatus, and characterlized by n & k analyzer1200, x - ray diffraction spectroscopy ( xrd ), scanning electronic microscopy ( sem ), alpha - step500. and it was analyzed that the effect on performance and structure of films with the change of argon flow, total gas pressure, the substrate - to - target distance and temperature
第一、應用穩定的直流磁控濺射設備制備tio2減反射薄膜並通過n & kanalyzer1200薄膜光學分析儀、 x射線衍射分析（ xrd ） 、掃描電子顯微鏡（ sem ） 、 alpha - step500型臺階儀等儀器對薄膜進行表徵，分析氧分壓、總氣壓、工作溫度、靶基距等制備工藝參數對薄膜性能結構的影響。On the backgrounds of researches inside and outside country, and cooperating experiments with theories analyses, the influence of different processing technology parameters and different sbs modifier sorts on the sbs modified asphalts " properties has been studied. at the same time, their microstructure are observed through fluorescence optical microscopy and scanning electronic microscopy, thus to direct modified asphalt production. on the above conclusion ' s basement, analysing some disadvantages of the storage stability test of sbs modified asphalt in the current specification, a new storage stability test apparatus is developed
本文在參考國內外研究的基礎上，採用理論、試驗相結合的方法，研究加工工藝參數以及改性劑種類等對sbs改性瀝青性能的影響，並通過熒光顯微鏡、掃描電鏡分析其微觀形態，從而指導sbs改性瀝青的生產；在此基礎上，分析我國現行規范用來評價sbs改性瀝青儲存穩定性方面的不足，開發了新的試驗儀，根據動態剪切流變試驗結果和微觀狀態分析，提出一個新的指標? ?離析率r _ s來評價sbs改性瀝青的儲存穩定性；最後，針對不穩定的改性瀝青提出改善措施，研究證明摻加增容劑和穩定劑是行之有效的方法。Established in 1994, xinyi meter plant ( shanghai xinyi meter co., ltd ) is specialized in the development and production of simulation current meters and voltmeters. they are widely used in collaboration with mili - tary equipment, various electronic communication facilitles, measuring instruments and auto control equipment to display all kinds of quantity of electricity and other readings. xinyi meters are of plenty of assortments and complete functions. they sell well in the domestic and overseas markets and appeal to the customers with their stable and reliable quality, considerate service and sound market reputation
新藝儀表廠（上海新藝儀表有限公司）創辦於1994年，主要開發和生產門類齊全，品種繁多的模擬和安裝式電流、電壓表，廣泛用於軍工配套和各種電子通迅設備、測量儀器和自動化控制設備上，以顯示各種電量和非電量、新藝儀表品種多，功能齊全，以其穩定可靠的質量、周到的服務、良好的市場信譽行銷國內外、深受用戶的歡迎。Yg832 electronic multifunctional stretcher, adopting ac servo system and exactitude screw arbor drive, has many characteristicses, such as reasonable structure, simple operation, low noise and smooth run etc, adopting scm control, displayed by lcd, intellective interface, deposit the data into the database if connected with the computer
Yg832多功能拉伸儀，採用交流伺服驅動，滾珠絲桿傳動，具有結構合理，操作簡單，噪聲低，運行平穩等特點，電器控制採用單片機控制，液晶中文顯示，人機對話界面，與電腦連接可建立數據庫。Abstract : clibrating turbine flow meter is traditionally static meter - factor. this thesis introduces the theory and practice method of calibrating the dynamic character of turbine flow meter
文摘:渦輪流量計傳統上只進行穩態校準，即只校準其（穩態）儀表系數。本文闡述了校準渦輪流量計動態響應特性的理論和實施方法。By displaying the major information at the production field, display instrument make people availably monitor and control the production flow
顯示儀表為人們提供工業現場重要的生產信息，方便人們對生產流程進行有效的監視和控制，使生產能穩定有序地進行。Based on a set of multi - function intelligent security appliance, this text redesigned the hardware and software on the part of low voltage startup and power testing, not only condensed old hardware circuit but enhanced the stabilization of the hardware circuit, and made the testing precision of voltage, current and power no more than 2 % o measure, designed interlock protect of the whole system, and finished the experimental appliance
本文基於一套多功能智能電器安全測試儀，在低壓啟動，功率測量兩個方面在原有的基礎上重新設計了硬體，不但精簡了原來的硬體電路，而且提高了電路的穩定性。重新設計了軟體，使其電壓，電流，和功率的測量精度都不超過千分之二的量度標準，還對整個系統作了聯鎖保護的設計，並且做出了樣機。Solid laser pumped by semiconductor laser has the advantages of laser diode and solid laser, so it develops rapidly in recent years and gets the extensive application in the fields of military, communication, processing and scientific research, etc. in order to meet the demands for laser power of semiconductor solid laser pump solid yag laser, i synthetically adopt the singlechip digital automatic control technology which is extensively used in the intelligent instruments, products of electromechanical integration and automatic control system, lcd technology, pc switch technology and steady voltage, invariable current technology
半導體激光泵浦的固體激光器由於兼有了激光二極體和固體激光器的雙重優點，近年來得到迅速發展，並在軍事、通訊、加工和科研等領域中得到廣泛的應用。本文針對半導體固體激光器泵浦固體yag激光器系統對激光電源的要求，並且綜合運用了當前在智能儀表、機電一體化產品、自動控制系統中應用廣泛的單片機數字化自動控制技術、 lcd顯示技術、 pc開關技術及穩壓、恆流技術，研製了脈沖半導體激光電源。When dicussing reliability design and reliahbaiiy ensuring methods, a new reliability calculating model of petroleum logging tools is presented, reliability assurimg technologies should be taken in petroleum logging tools and their using approaches are presented and stated from electricity design and mechanical design, reliability system model of petroleum logging tool is set up according to the latest reliability theory, reliability indexes of petroleum logging tool and their acquiring ways are discussed, the reconmended reliability indexes ( mwture, nolwnm, mtbf, mttf ) of petroleum logging tool are presented : the mean working time under rated error ( mwture ) of the new tool is obtained through experiments. when studying data processing methods, the property of gamma - ray signal is stated and the type of it ' s measuring error is examined using statistical method, the basic theory of digital filtering and the basic situation of digital filtering methods are introduced and analyzed, the factors affecting digital filtering effect to gamma - ray signal and the effect of digital filtering to logging curve are analyzed, the evaluting criteria ( rvi, rmse, sfi ) of digital filtering effect are set up from two aspects, named as real value acquiring of steady section and the formation boundary checking and processing, the related filtering methods and examining methods are given out. the design methods of digital filter used to process gamma - ray signal are discussed, the mixed filtering scheme of natural gamma - ray log is presented, the realization ways are discussed. the selective filtering system and it ' s realization flow are given out through quantitive reseaching to part of digital filters, three new filtering sheme will be used to process gamma - ray signal in era2000 logging system
在探討可靠性設計與可靠性保障技術時，提出了石油測井儀器的可靠性計算新模型，從電氣和機械兩個方面，提出並闡述了應採用的可靠性保障技術及其使用方法：根據最新可靠性理論，建立了石油測井儀器的可靠性系統模型，探討了石油測井儀器的可靠性指標及其獲取途徑，提出了推薦使用的石油測井儀器可靠性指標（ mwture ， nolwnm ， mtbf ， mttf ） ；通過試驗，得到了所設計儀器的穩定工作時間（ mwture ） 。在研究數據處理方法時，闡述了伽瑪信號的特徵，對測量誤差類型進行了統計檢驗；介紹了數字濾波的基本理論、數字濾波方法的概況，並進行了分析；對伽瑪信號數字濾波效果的影響因素及其對測井曲線的影響進行了基本分析；從獲取平穩段真值、地層邊界的檢測與處理兩個方面，建立了數字濾波效果的評價準則（ rvi ， rmse ， sfi ） ，給出了相應的數字濾波方法及效果評價方法；探討了自然伽瑪信號數字濾波器的設計方法，提出了適合自然伽瑪測井的混合濾波方案，探討了混合濾波方案的實現途徑；通過對部分數字濾波方法的定量研究，給出了靈活可選的數字濾波系統構成及實現流程；提出的三種濾波方案，將用於era2000成像測井系統，對自然伽瑪測井數據進行濾波處理。In order to increase the occupating coefficient and reliability of digital experimental box, we improve its power supply by designing a simple, reliable overcurrent protecting circuit base on the analysis of its working principle
設計了一個簡單可靠的電源過流保護電路，分析了過流保護電路的工作原理，在此基礎上改進了數字電路實驗箱中穩壓電源電路，提高了儀器的使用效率，增強了可靠性The experiment result shows that the current control system based on analog component has many strong points, such as simple structure, short stability time, high current stability, good temperature performance, and wide input voltage range etc. long - term instability of single - arm current is less than 1 10 - 3, and subtraction instability of two - arm current is less than 2. 2 10 - 5, which satisfies the request of high precision current control power supply for north - finder based on rlg
實驗結果表明，由模擬器件構成的穩流系統具有結構簡單、瞬間即可穩住電流、電流穩定度高、溫度性能好、輸入電壓范圍寬等特點，單臂電流長期穩定度優於1 10 - 3 ，兩臂電流差值穩定度達到2 . 2 10 - 5 ，基本滿足了激光陀螺尋北儀中穩流電源的要求。This paper mainly discusses how to design a high stability current control power supply for laser gyro of double anodes and common cathode in north - finder based on ring laser gyroscope
論文主要闡述了尋北儀中雙陽極共陰極結構的激光陀螺高穩定度穩流電源的實現過程。Test procedures for stabilized d. c high low voltage power for nuclear instruments
核儀器用高低壓直流穩壓電源測試方法The various properties of composite resin and materials made out of it, such as dynamic mechanical property, thermal property, vicat softening temperature, rheological behavior, morphological structure and the broken profile of the materials, were determined and characterized with the aid of dma, ta - 2000 type thermal analyzer, xwb - 300f type detector of vicat softening temperature, capillary rheometer, tem, sem, respectively
通過dma 、 ta - 2000熱分析儀、 xwb - 300f型維卡軟化點溫度測定儀、毛細管流變儀、 tem和sem等手段對聚丙烯酸酯caco _ 3 pvc復合樹脂及其材料的動態力學性能、耐熱穩定性、維卡軟化點溫度、流變性能、形態結構與材料的斷面形貌等進行了測試和表徵。Measures for further developing concrete mix design were presented based on above work. for example, adopts pfca as an index in designing durability of concrete, uses mortar slump flow test to select cements and water - reducers and to measure saturation dosage of water - reducer in mortar and then determine optimum dosage of it in concrete, uses bar - slump test to determine stability and fluidity of fresh concrete, and consequently, the workability of high fluidity and high stability concrete such as pumped or self - compacting concrete can be designed by adopting proper cfvm determined in terms of rheological properties of designed mortar measured with cone - based rheometer
如採用粗集料破碎率作為耐久性設計的一個指標；採用砂漿坍落擴展度試驗選擇水泥和減水劑，確定砂漿中減水劑的飽和摻量，並通過上述數學模計算混凝土中減水劑的飽和摻量，以此為參照確定最佳摻量；採用障礙坍落度試驗確混凝土的穩定性和流動性，結合由漏斗式砂漿流變儀測定的砂漿流變性能確定合理的砂漿填充系數，從而實現對高流動性高穩定性要求的混凝土（如泵送和免振自密實等）的工作性設計。Plane diffraction grating, logarithmic amplifier and stable constant - current source are used in the system, thus the performance of the instrument is enhanced significantly and the cost is reduced
系統採用了平面衍射光柵、專用陣列探測器、對數放大器以及高穩定恆流源，有效地提高了儀器的整體性能，同時降低了生化分析儀的成本。The apoptosis in the passage cells was detected by using flow cytometry. it was fmded that the apoptosis of passage 12 cells was not obvious. cells were subcultured to sixteenth passage. it proved that the subculturing of porcine ear skin fibroblasts was stable by using this kind of method combining trypsin cold treatment with trypsin heat treatment
在進行傳代培養時，利用了流式細胞儀檢測了培養細胞的凋亡情況，發現傳至第12代的細胞仍無明顯凋亡現象，細胞已傳至16代以上，說明應用此方法可穩定地進行豬耳皮膚成纖維細胞的傳代培養。In this paper, a 3 - phase examination system for ac meters which has high stability and high accuracy and has characteristic of simplicity is introduced in details, it is easy to build a standard by this system
本文詳細介紹了所開發的三相高穩定性、高精度交流儀表檢測系統，用其組建「標準」時構成簡單等特點。分享友人