電重力測量法 的英文怎麼說
中文拼音 [diànzhònglìcèliángfǎ]
電重力測量法
英文
electrogravimetric method- 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...
- 重 : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 法 : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
- 重力 : [力學] gravity; force of gravity; gravity force; power of gravity; pull of gravity; gravitational...
- 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
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Tga. insulating and sheathing materials of electric and optical cables - common test methods - part 4 - 1 : methods specific to polyethylene and polypropylene compounds - resistance to environmental stress cracking - measurement of the melt flow index - carbon black and or mineral filler content measurement in polyethylene by direct combustion - measurement of carbon black content by termogravimetric analysis - assessment of carbon black dispersion in polyethylene using a microscope
電纜和光纜的絕緣和護套材料.通用試驗方法.第4 - 1部分:聚乙烯和聚丙烯化合物專用方法.抗環境應力致裂.熔化流動指數測量.通過直接燃燒測量聚乙烯中炭黑和或礦物填料含量.通過熱重分析法How to measure exactly the coal mass of pulverizer in fossil power plant ? it is one of primary causes that the efficiency of milling control is low and the automation is difficult to running. in this paper a method of solving uncertainty problem - evidential theory was studied principally from the view of the multiple sensor information fusion
火電廠中鋼球磨煤機筒內存煤量的測量問題一直是制粉控制效率低和自動控制難以投入運行的主要原因之一,本文從多傳感器信息融合的角度出發,重點研究了一種解決不確定性問題的有力方法? ?證據理論方法。This method incarnates a new ideologies of measurement based and process oriented in power system calculation, and can improve the veracity and adaptability of transient stability analysis
該方法不僅體現了「基於測量,面向過程」的電力系統計算思想,而且對于提高暫態穩定計算的準確性與適應性具有重要意義。Furthermore, the growth and the study of self - organized quantum dots structures become more and more important recently, and the application of self - organization technique become wider and wider in this thesis, we address the theory of film growth and the growth technique firstly more, the ways and characteristics of surface detection are prescribed we mainly report the growth process, results and discuss of self - organized quantum dots structures in the a12o3 substrates by s - k mode using ecr - mocvd, in the espd - u device the growth art of ain epilayer which is the preliminary foundation of self - organized gan / ain quantum dots structures, including the substrate cleaning, nitridation, the growth of buffer and the growth of gan and ain epilayer, is discussed we deliberately compare the test result of rheed xrd and afm and achieved the optimalized condition of ain at last we have successfully realized the growth of ain which is much smooth and better crystal quality moreover, we grow the self - organized gan / ain quantum dots structure in s - k mode because the limits of the heater temperature, we can not grow the atom - smooth epilayer of ain until now so we could not grow better quantum dots which have small diameter and big density but the self - organized quantum dots structures with better quality will be realized successfully if the substrate temperature is increased the thesis study belong to my tutor subject of national nature science foundation ( 69976008 )
本論文主要論述了在espd - u裝置上,採用電子迴旋共振等離子體增強mocvd ( ecr - pamocvd )方法,在藍寶石襯底上通過s - k模式自組裝生長gan aln量子點結構的生長工藝、結果及討論。而重點分析了自組裝生長量子點之前的aln外延層生長工藝,包括襯底清洗、氮化、緩沖層的生長和gan 、 aln外延層的生長;通過高能電子衍射、 x射線衍射和原子力顯微鏡測試,並且對這些測試結果進行了詳細的比較研究,得出了較優化的工藝條件,生長出了晶質較好、表面較平整的aln外延層;進而採用s - k模式自組裝生長了gan aln量子點結構。由於實驗裝置加熱爐溫度的限制,我們沒有能夠生長出原子級平滑的aln外延層表面,因而沒能夠生長出密度比較大和直徑比較小的量子點。Depending on how the ground surface is denuded, the feature of the current crustal stress field and rock stress environment can be calculated analyzing the result in this paper : by analyzing the recovering feature of the elastic deformation of the rockmass in unload - stage under various pressures, it has been found there is close relationship between the recovering degree of the elastic deformation of the rockmass and the unloading degree of the pressure the direction of the major principal stress in the crustal stress field is not consistent with the direction of the crushing stress regional tectonics borne during the last tectonic movement. the evolving degree of the regional geomorphology evidently affects the current crustal stress field, which changes from the self - weight stress field to the horizontal stress field, with the changing of the eroding degree of the regional geomorphology ranging from valley area to hilly country to flat country. in valley area, where there is two stress belts, the bankslope s tress belt and the self - weight stress belt within the mountain. the direction of the major principal stress is nearly parallel to the ground surface and inclines towards the valley in the bankslope stress belt. it is nearly vertical in the self - weight stress belt
通過本文的研究成果,根據區域性地貌的演化特徵,我們可以大致地對現今地應力場進行判斷:在分級卸荷條件下,巖體中彈性變形的恢復具有明顯的規律性,這種規律對于研究地應力場的演變是有幫助的;地應力場中最大主應力方向與區域構造形跡在最近的構造運動中所受區域性擠壓應力的方向無明顯的對應性;區域性地貌形態的演化程度對現今地應力場的特徵具明顯的影響,隨著區域性地貌侵蝕程度由峽谷區、丘陵區、平原區的變化,現今地應力場特徵由自重應力場、水平應力場為主含少量自重應力場特徵向水平應力場的規律變化;在峽谷區,山體中具有兩個應力帶:自重應力帶和卸荷應力帶,最大主應力方向在卸荷應力帶中近平行於坡面並傾向于河谷、在自重應力帶中近於直立;根據原始地面遭剝蝕的程度,可以大致地估算最大主應力和中間主應力的量值和方向;在丘陵區和平原區,最大主應力的方向近於水平,並與附近區域性侵蝕盆地和河流的展布方向基本平行,根據原始地面遭剝蝕的程度,可以大致估算其最大主應力的量值;根據區域性地貌形態的特徵來分析工程區的現今地應力場特徵,並進而大致了解巖石的應力環境,這種分析方法得出的結論與許多實際的地應力測試成果基本一致,對于大型水電工程地下廠房和壓力隧洞的設計是有所幫助的。05. 01 molecular weight of hydrocarbons by thermoelectric measurement of vapor pressure, method of test for
用蒸氣壓力的熱電測量法測定烴類分子重量的試驗方法It will effect the system in safety and running economy directly > test of tradition past the method is an usage to give or get an electric shock the bridge method or direct current to press to decline the method to proceed to measure, and the electric current for producing of is only in the ma class which ca n ' t broke through the oxidize surface
高壓斷路器是電力系統中最重要的控制和保護設備之一,它對系統的安全、經濟運行有著直接的影響。以前傳統的測試方法是使用電橋法或直流壓降法進行測量,所產生的電流僅在ma級,不能擊穿觸頭氧化膜。The serious bursting accident of the main steam pipe was analyzed 3 by applying the research results above in chapter 4. the main steam pipe has serviced for 12 x 104h in the power plant. using scanning electron microscope ( sem ), x - ray diffraction, optical microscope ( om ), mechanical experiments, it is verified that the main reason causing the main steam pipe breaking down were the material and structural defects
採用掃描電鏡技術、 x射線衍射技術、金相觀察、機械性能測試等技術手段和失效分析方法,以某火力發電廠己服役12萬余小時的主蒸汽管道為例,對其嚴重的爆斷事故進行了失效分析,確定了管道失效的主要原因是與管道焊接的閥體存在大量的材質缺陷和結構缺陷。Abstract : introduces a method to eliminate influence of power supply and air - feed system on exact measurement of micro - thrust of electric rocket in the gravity field, so micro - thrust can be measured accuratelg and automatically
文摘:介紹了在重力場中,消除電火箭自重及其供電供氣系統對微小推力測量影響的方法,從而實現電火箭微小推力自動準確的測量。Consequencely, the analysis and assessment system of the operating state of the concrete dam was developed under the ansys development environment, and the back - analysis and the prediction of the parameters of the dam system have been done according to the operating observed data. the research work involves several aspects as follows : 1 ) a back - analysis model including the prior information and a predictive model of nonlinear time series were established ; 2 ) the analysis and assessment system of the operating state of the concrete dam was developed under the ansys development environment, in which the analysis module of the loading effects, the back - analysis module, the forecasting module of the physical parameters and the assessment module of the operating state were contained ; 3 ) according to the operating observed data, the operating state of the dam was assessed and predicted with the analysis system of the operating state, the results suggested that the dam is in basically normal operation at present
具體工作有以下幾方面: 1 )收集整理漫灣水電站大壩運行監測資料,並對其進行了系統分析,從觀測資料本身直觀的分析了大壩的運行狀況; 2 )總結位移反分析的理論及方法,建立了考慮先驗信息多介質位移反分析模型,基於神經網路非線性映射功能,建立了神經網路時間序列預測模型; 3 )以ansys軟體為平臺,開發了漫灣水電站砼重力壩運行狀態評價模塊,結合荷載效應分析、參數反演分析、參數預測分析三個模塊組成漫灣水電站砼重力壩運行狀態分析系統;實現了對漫灣水電站運行狀態的動態「反演-預測」分析; 4 )利用漫灣水電站砼重力壩運行狀態分析系統,在漫灣大壩實測資料分析、大壩砼特性參數反分析、大壩砼彈性模量衰變規律及預測分析的基礎上,系統的分析並預測了大壩運行狀態。Combined with the research project of the advanced performance of wire rope in the port cranes, a key technological problem of the ministry of communications, this dissertation investigated the stress - effect on the magnetic flux leakage ( mfl ) of wire ropes and the law of the mfl signal changes during wire rope fatigue testing by experiments and modern signal processing methods based on the ferromagnetic theory, being aimed at the present problems of current wire rope testing technology. the characteristic parameters and quantitative descriptive specifications for wire rope defective signal were analyzed in detail. this dissertation present a novel method of quantitatively evaluating locate faults ( lf )
本文結合交通部重點科技項目「港口起重機鋼絲繩傳動件的高性能技術研究」 ,針對當前鋼絲繩電磁檢測技術中所存在的問題,以鐵磁學為理論基礎,以試驗和現代數字信號處理技術為手段,對鋼絲繩漏磁信號的應力效應、鋼絲繩疲勞損傷歷程中的漏磁信號變化規律做了深入的研究,對鋼絲繩缺陷信號的特徵參數和缺陷的定量描述指標做了詳細的分析,提出了一種局部缺陷的定量逼近方法。The two - dimensional axisymmetric subsonic - transonic - supersonic flow in an experimental arcjet thruster is simulated numerically using flux vector splitting method. the profiles of density, velocity, temperature, pressure and mach number can be obtained by the computation. the computation grid and some computed results are given here. the test equipment such as power supply system, ignition system, propellant supply system, arcjet thruster, thrust measuring device and vacuum system are introduced briefly. some working phenomena of the arcjet are observed and discussed. three different kinds of instability appeared in the process of the experiments. except some important parameters are measured, it is found that the operating stability of argon is better than that of nitrogen
對一實驗電弧加熱式發動機二維軸對稱亞跨超音速流動進行了數值模擬,所採用的方法是矢通量分裂演算法.通過計算可以得出密度、速度、溫度、壓力和馬赫數的分佈.給出了計算所使用的網格和一些計算結果.簡要介紹了實驗所使用的設備,如電源系統、點火系統、推進劑供給系統、電弧加熱式發動機、推力測量裝置和真空系統.對所觀察到的一些工作現象進行了討論.有三種不同的不穩定性出現于實驗過程.除了所測量的一些重要參數,通過實驗發現氬比氮工作更穩定In order to facilitate the advancement of micro - fabrication and micromachine technologies, development of measurement methods for both profile and dimension of micro - components are essential. one of the methods available for this is a small three - dimensional profile measurement apparatus with micro - probes. for such an apparatus, the probes must be fabricated with optimal shape for individual part measurement. in this research, micro - electrical discharge machining ( micro - edm ) which has extremely small machining force and is applicable for fabrication of various types of probes, is used for probe manufacturing. various types of probes which are installed to the small three dimensional profile measuring apparatus based on principle of scanning tunneling microscopy ( stm ) are fabricated by the proposed method. the probes fabricated have been successfully used for the measurement of several micro - parts and the results show the effectiveness of the proposed method
為了推動微加工和微機械技術的進步,微型零件輪廓和尺度測量方法的發展非常重要.可行方法之一就是使用帶微探頭的小型三維輪廓測量儀.這種儀器的探頭必須針對某個零件的測量,按照最佳外形製造.微放電加工有著極小加工力,可用於各種探頭的製造,本研究中用它進行探頭加工.用這種方法製造了多種探頭,將其裝在基於掃瞄隧道顯微技術( stm )的小型三維輪廓測量儀上.所製造的探頭已被成功地用於各種微元件測量,結果表明此方法可行Stating manufacturing test - components and checking measure in supersonic detection of using railway wheel shaft for power locomotive. material, checking - measures and test - components manufacturing are the important factors for supersonic detection
敘述了電力機車在役車軸超聲波探傷工作中的試塊製造、 3種檢測方法,而材料、檢測方法、試塊製造等也是影響超聲波探傷定量的重要因素。On the basis of application of machinery and power - generating product design, this paper analyzes and quantifies the theory of equilibrium and stability via analyzing the pictures of product, which is one of aesthetics standard method in design process. therefore, the theory of visual gravity and its calculating model are advanced. with applying the technology of detecting edges and gray histogram, the required image information cire picked up
在機電產品造型設計應用的基礎上,論文從實際產品的照片分析入手,重點對設計應用到的美學法則? ?均衡與穩定理論,進行分析與量化研究,提出了有關機電產品設計的視覺重心理論與計算的框架模型;運用圖像處理中的邊緣檢測與灰度直方圖技術,提取操作需要的圖像信息;綜合產品的形態與色彩,分別結合視覺張力與力矩平衡理論提出了兩種演算法;建立了產品視覺重心計算的相關模型並在solidworks平臺上用vc + +編程實現。This dissertation is based on the introduction of the power indstry of the history of the nantong city and is according to the development and change of the power industry from 1991 to 2000land also to the reality of the working experience of the administration of the power industry of myself, it make great efforts to analysize anc research the long term and middle - short term forecast of the demand of the nantong city ( urban, tongzhou county, rugao county ) in the future, and is based on the analysis of its character, it draws a conclusion of making value, and uses the thinking of the methods of " the professional danamics and linear tropic ", and according to the answer of the analysis, it uses the ahp method to compare the economics of the construction of the power industry of different areas, and based on the fundamental conclusion, it makes out the methods and countermeasure of the power construction of different areas, and gets a good effect of forecast. so, it will be great instructive and helpful to the forecast and administration of the power industry in the reality, and to fill in the defects of " paying too more attention to the analysis of the character rather than the value, and mainly depending on the experience to make decisions "
本文在介紹南通市電力工業發展歷史狀況的基礎上,從南通市91年2001年電力工業發展變化情況和歷年本人從事的電力管理工作的實際出發,著重分析和研究了南通市(市區、通州市、如皋市)未來長期和中短期的電力需求預測,在對其進行定性分析的基礎上,提出了量化的設想,並將系統動力學和多元回歸的思想分別應用於電力需求的長期和中短期預測,針對分析的結果,利用層次分析法比較了電力建設不同措施的經濟性,在得出初步結論的基礎上,提出了分地區電力建設的對策與措施,取得了較好的預測效果,對實際的電力預測和管理工作有很大的指導意義和幫助作用,從而彌補了實際工作中「注重定性、忽視定量,主要依靠經驗判斷」的不足,對促進今後南通市電力管理工作有很大的幫助。What the subject researching is that power energy should be measured with base wave ammeter to power systematic nonlinear user ; and that it is high veracious by base wave ac parameters measurement method to those not bad contaminative. it is well known that all kinds of ac parameters including of base wave and harmonics, but the content of harmonics in power systems increase largely with the mass disturbance to power using high - power electric equipment. which makes wave shape of voltage and current aberrence, so the measurement veracity and reliability decreased largely. at the same time brings out serious infuency to safe run of power system and electric equipment. the power which any non - linear loads consumes can be divided into two sides, one is base power absorbed in power and the other is minus harmonics power
本課題所研究的問題是針對電力系統非線性負載用戶採用基波電度表來計量電能;而對諧波污染不嚴重的線性用戶採用基波交流參數測量的方法仍然具有較高的準確性。眾所周知,各種交流參量都包含基波和各次諧波,然而隨著電力電子技術的迅速發展,大功率的用電設備對電網的干擾也是越來越嚴重,導致電力系統諧波含量迅速增長,使電壓和電流的波形產生嚴重畸變,測量的準確性和可靠性都大大降低,同時也對電力系統和用電設備的安全運行帶來嚴重的影響。任何一種非線性負載所消耗的功率都可以分為兩部分,一部分為從電網中吸取的基波功率,另一部分則是負的諧波功率。It has raised more attentions in engineer fields, specially in signal analysis, images handles, pattern recognition, phonetic recognition, quantum physics, earthquake reconnaissance, fluid mechanics, electromagnetic field, ct imagery, diagnosis and monitoring of machinery defect, fractal, numerical evaluation et al. it is considered as important breakthrough in methods and tools
它在科學技術界引起了越來越多的關注和重視,在工程應用領域,特別是在信號處理、圖像處理、模式識別、語音識別、量子物理、地震勘測、流體力學、電磁場、 ct成像、機械故障診斷與監控、分形、數值計算等領域,它被認為是近年來在工具及方法上的重大突破。分享友人