放大試驗 的英文怎麼說
中文拼音 [fàngdàshìyàn]
放大試驗
英文
enlarge test-
Those research results will be applied on some important civil engineering such as china national high level radioactive waste deposal, energy storage project, the deep exploitation of petroleum and gas, and the construction of the exceed deep and exceed long tunnel of “ south to north of water ” project
開展大型材料模擬試驗技術、節理巖體三場耦合理論和關鍵試驗技術的研究，為國家高放廢物處置、能源戰略儲存、石油深層開采、南水北調西線超深超長隧道營建等重大工程服務。Direct current amplifiers ; characteristics and test methods
直流放大器.特性和試驗方法Standard test method for magnetic properties of magnetic amplifier cores
磁放大器芯磁性的標準試驗方法This article introduces the pilot experiment of producing pentahydrate sodium metasilicate by water glass with the method of crystal in solution
摘要介紹了以水玻璃為原料，利用溶液結晶法生產五水偏硅酸鈉的放大試驗。Optical amplifiers - test methods - polarization mode dispersion parameter - poincare sphere analysis method
光學放大器.試驗方法.偏振模式分散參數. poincare球面分析方法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。On the base of the familiarity with the working capacity of every unit the section is one of the main content of the task including the debugging motor servo amplifier servo controller and the whole hardware system ( 5 ) programming on the base of the above work, programming to control the system with mint
控制系統硬體部分的調試。在熟悉各元件工作性能的基礎上，通過大量的實驗，找到正確的連接方法，使硬體系統正常工作。這一部分是本課題的主要內容之一，主要包括對電機、伺服放大器和伺服控制器的調試，以及對整個硬體系統的訝試。This thesis mainly introduce designing ~ debugging ~ doing experiment and analyzing result of experiment, the following concretely introduce content of thesis. firstly, according to purpose of designing and making mechatronics coupling experiment bench, demonstrate project of experiment bench, establish mathematics model of experiment bench, which consist of mechanism transmission systems servo amplifier and servo motor
本論文主要介紹機電參數耦合實驗臺的設計、調試、實驗及其實驗結果分析，具體內容如下：首先，從研製機電參數耦合實驗臺的目的出發，論證實驗臺的設計方案，建立實驗臺的數學模型，包括機械傳動系統、伺服放大器和伺服電機。We select ni / cr alloy resistor as element together with ceramic embedding hearth ; select small flat - and - disc heat - even hubby ceramic sample holder, select ni / cr & ni / si thermoelectric couple ( type k ) as thermoscope with threads 0. 5 mm in diameter which is installed in the middle of the holders symmetrically ; select aluminum silicate fire - retardant fiber as materials for heat preservation ; design some hardware, for example temperature controller & transporter, signal amplifier etc ; design controlling curve to heat stove ; and introduce the method of least squares nonlinear regression and subsection function to deal with data. in order to obtain the reasonable operation conditions and operation curve, we have also done many theory analysis and experiment discussions
通過理論和試驗探討，選用鎳鉻合金電阻絲作為加熱元件，配以陶瓷質埋入式爐膛；選用陶瓷質小尺寸扁平?圓盤均熱塊體型樣品支持器；選用0 . 5mm絲徑鎳鉻?鎳硅熱電偶（ k ）作為測溫元件；熱電偶對稱安置在樣品支持器容器的中部；選用硅酸鋁耐火纖維作保溫材料；合理選用和設計了溫度控制器、溫度變送器、信號放大電路等硬體；採用升溫曲線來控制爐膛供熱過程；採用最小二乘法非線性回歸與分段函數相結合的曲線模擬方法，進行圖形處理。The course was conducted in the form of participatory and open instruction and integration of theory with practice. starting from how to identify the major problems in farmers training, gaining confidence at communicating with farmers, and understanding their current pressing needs, facilitators systematically discussed theories and practices concerning the concept and purpose of participatory methodology ; participatory experiment and testing, and how to do experiment research ; principles, methods and steps of participatory rural appraisal ; how to use participatory methods to carry out farmers training ; responsibility of participatory facilitators and points for attention during training ; and, the nine principles regarding adults training
培訓班採用參與式開放式教學理論與實踐相結合的方式，輔導員從如何尋找農民培訓遇到的最大問題，與農民打交道的自信來源，掌握當前農民的迫切需求為切入點，較系統的討論了參與式方法的概念目的參與式實驗與試驗如何做試驗研究參與式評估pra的原則方法步驟如何利用參與式方法開展農民培訓活動參與式輔導員的責任和在培訓中應注意事項以及成人培訓的九條原則等理論知識和方法。By means of the study the main results are listed as follows : ( 1 ) the results of flume experiment and simulated rainfall experiment with a fixed intensity indicated that, the influencing degree of rainfall on overland flow velocity had something to do with the runoff discharge above and rainfall intensity
通過研究取得了如下結論： （ 1 ）水槽放水試驗和定雨強模擬降雨試驗結果表明，降雨對坡面薄層水流流速的作用與放水流量和雨強大小有關。The improvement system is made up of the pressure sensor, flow sensor, displacement sensor, electro - hydraulic proportional flow control valve, power amplifier, data gathering board and computer. the platform can carry out testing the hydraulic parameters, processing the tested data, saving the processed data and drawing, adjusting the pressure automatically
改造后的測控系統主要由壓力傳感器、流量傳感器、位移傳感器、比例節流閥、功率放大器、數據採集卡和計算機組成。改造后的實驗臺具有自動採集實驗數據、自動處理實驗數據、自動保存實驗數據、自動調節液壓系統負載壓力等功能，大大提高了實驗臺的工作效率、測試精度和智能化水平。Moreover, it has been pointed out that the hydrogen engine used in ? cylinder injection with high pressure can increase volumetric efficiency and compression ratio, - therefore, the performance indexes in this engine, such as output power, thermal efficiency, range of thickness of mixture with normal operation and nox emission, can be improved, and it is possible for the engine to realize rapid combustion of thin mixture, so abnormal combustion, such as backfire, pre ? ignition, can be controlled effectively
指出了採用內部混合氣形成方式且高壓噴射的氫發動機，有利於提高充氣效率和壓縮比，從而改善發動機的動力性和經濟性；有利於擴展發動機正常工作的濃度范圍；並且有利於實現稀薄混合氣快速燃燒，從而可以有效地抑制早燃、回火及爆燃等異常燃燒和no _ x排放量。試驗指出了發動機的點火正時、噴射正時及噴氫量對發動機的性能、異常燃燒、 no _ x排放量有很大影響。Scale - up experiment of plasma reactors with different electrode structure
不同電極結構等離子體反應器的放大試驗研究( 4 ) the neat cement paste fluidity of copolymer would augment and the cohesiveness of cement would increase along with augmentation of pea dosage, but if the dosage was too big, the dosage of aa would be reduced, so it would reduce the carboxylic content of copolymer, and performance of water reduce would weaken, the dosage of pea23 can not more than 25 %. ( 5 ) the effect of water reduce would increase if the copolymer time increase
而與x40 ;比較，減水率、凝結時間、保坍性、抗壓強度比等綜合性能還有一定的差距，有待進一步的改進和研究。從合成pc23一6的工業性分析: pea23的酷化和pc23一6的共聚的放大試驗看，其混凝土試驗結果較為理想，且其合成工藝流程較為簡單，具備高分子的合成條件:而從經濟性分析， 30 % pc23一6水溶液的原料成本低於fdn ，其性能具有較大的優勢，具有廣闊的工業化的前景。The yeast strain 12y - 5 was identified at the species level using two yeast taxonomy systems published by. j. w. kreger - van rij ( 1984 ) [ 24 ] and j. a. barnett ( 1983 ). [ 19 ] in addition, the ability to assimilate several compounds as main sources of carbon and nitrogen was evaluated at the 500ml shake - flask and 3. 7l kfl bioreactor scales. effects of ph, temperature, concentration of dissolved oxygen and utilizable sugar on the growth rate of cells and the rate of the conversion of substrate into biomass were studied
進而用正交試驗法對該酵母生長的培養基配方及影響生長的重要理化因素進行了較為深入的研究，在此基礎上對影響生長的重要理化因素進行了寬范圍的測驗：並以搖瓶最佳的培養條件為基礎，在3 . 7升kfl -生物反應器上進行了放大試驗。Based on using the high quality fine anthracite of taixi, investigated the influence on the quality of formed coke of different kinds and proportion of additive, and the enlargement test is carried out by optimizing
摘要考察了以優質太西無煙粉煤為主要原料，不同添加劑種類，不同添加劑量對型焦質量的影響，並對小試優化結果進行了放大試驗。On the basis of consulting a large number of literatures domestic and aboard, the present situation and latest development of hydrodynamic characteristics of overland flow and slope erosion dynamic process were reviewed. aiming at revealing the effect of rainfall splash intensity on hydrodynamic features of sheet flow and slope erosion, with a combination of runoff experiment and simulated rainfall experiment with a fixed intensity, applying hydrodynamic and erosive theory, the effect of rainfall on overland flow velocity and the influence of rainfall splash intensity on hydrodynamic features ( such as velocity, flow depth, flow patterns, resistance ) of sheet flow on slope and the influence of rainfall splash intensity on the overland flow sediment contain was researched
本文在查閱了大量國內外文獻資料，全面了解了坡面流水動力學特性及坡面侵蝕動力過程等方面的研究現狀及最新進展的基礎上，以揭示雨滴打擊動能對坡面薄層水流水動力學特性及坡面侵蝕的影響為目標，採用水槽放水試驗和定雨強模擬試驗相結合的方法，運用水動力學與侵蝕理論，研究了降雨對坡面薄層水流流速的影響，雨滴打擊強度對坡面薄層水流流速、水深、流態、阻力等水動力學參數的影響，雨滴擊濺作用對坡面流泥沙含量的影響。Our entire policy of opening to the outside is an experiment too, and a big one from the world point of view
我們的整個開放政策也是一個試驗，從世界的角度來講，也是一個大試驗。Choose an optimum condition on the basis of that to go on an amplification experiment whose product become the raw and processed materials with which the influence between the adding of dbs a as the second dopant and the conductivity of cp is studied
根據正交試驗結果，選取一個最優條件並進行放大實驗。以該試驗產品為原料，研究了十二烷基苯磺酸二次摻雜對絲炭/聚苯胺導電材料導電性能的影響。分享友人