four-current 中文意思是什麼

four-current 解釋
四維電流密度
  • four : n 1 四人小組；（套在車上的）四匹馬。2 四的記號；（骰子的）四點；（鐘點的）四時；四歲。3 〈pl 〉 ...
  • current : adj. 1. 通用的，流行的。2. 現在的，現時的，當時的。3. 流暢的；草寫的。n. 1. 水流；氣流；電流。2. 思潮，潮流；趨勢，傾向。3. 進行，過程。
  1. Most conventional permanent magnet motors can accept an armature current three or four times the rated current.

    大多數普通的永磁式電動機能承受34倍額定值的電樞電流。
  2. The mission of ic health card is to consolidate functions of current four available vouchers, including the regular paper card, the children s health handbook, the prenatal exam handbook and the catastrophic illness certificate, into one ic chip card

    此專案之執行目標為整合現行醫療憑證、一卡到底免換卡、個人醫療費用紀錄、即時登錄醫療費用、以及促進醫療院所電腦化。
  3. A white led driver circuit is presented in this paper. the circuit drives up to four white leds with regulated constant current for uniform intensity. by utilizing proprietary adaptive 1x / 1. 5x modes and ultra - low - dropout current regulators, it maintains the highest possible efficiency over the full 1 - cell li + battery input voltage range

    整體電路以恆定電流驅動4隻白光led ，利用1倍/ 1 . 5倍分數型電荷泵和低壓差電流調節器，在整個鋰電池供電電壓范圍內保持最高的效率，並使四個白光led獲得均勻的亮度。
  4. The silicon plates are formed reverse four wimble array in koh solution by wet - etching technology. then the electrochemical etching experiments are done in three poles electrobath. and some technology questions such as heat oxygenation, light etching, wet etching and electrochemical etching have been analyzed. at the same time sample appearances are analyzed by scanning electron microscope. according to current burst model theory, the electrochemical deep holes etching mechanism are analyzed

    在三極電解槽中，進行了電化學深刻蝕的探索性實驗。對氧化、光刻、濕法刻蝕和電化學刻蝕中的工藝問題進行了初步的理論和實驗研究，同時，採用sem對實驗樣品進行了形貌分析，並採用電流突破模型對電化學深孔刻蝕機理進行了理論分析。
  5. The method of obtaining high concentration of na2feo4 solution by quick electrolysis mainly contains four aspects : adoption of either a diaphragm or an ionic membrane electrolytic cell in which a thin anodic cell lying between the two cathodes, ( 2 ) using an iron anode that has larger specific surface area, ( 3 ) keeping suitable concentration of naoh in the anodic cell, adoption of lower current density and higher electrolyzing speed. the practical technique parameters follow a s below : the naoh solution of 14 - 16mol / l, the temperature of 303 - 308k, the surface anodic current density of 300a / m2, the unit electrolyzing speed of efficiency larger than 6. 0a / l

    快速電解獲取高濃度na _ 2feo _ 4溶液的方法，主要包括四個方面：採用兩陰極室夾一厚度較小的陽極室的隔膜（或離子膜）電解槽；使用比表面積較大的鐵網陽極；保持陽極室中有適宜濃度的濃naoh溶液；採用較低的電流密度和較高的電解速度。具體工藝參數是： 14 16mol / lnaoh溶液、溫度303 308k 、表觀陽極電流密度300a m ~ 2 、有效單位電解速度6 . 0a / l 。
  6. And abraham took note of the price fixed by ephron in the hearing of the children of heth, and gave him four hundred shekels in current money

    亞伯拉罕聽從了以弗侖、照著他在赫人面前所說的話、把買賣通用的銀子、平了四百舍客勒給以弗侖。
  7. And when abraham had heard this, he weighed out the money that ephron had asked, in the hearing of the children of heth, four hundred sicles of silver of common current money

    亞巴郎明白了厄斐龍的意思，便照他在赫特人前大聲提出的價值，按流行的市價稱了四百協刻耳銀子給他。
  8. In section four, an analysis to the characteristics of our current second instance procedure was made. it concluded that the characteristics incarnate the unified indiscriminative system structure which result in the systematic defect

    在第四節中，分析了我國現行第二審程序的特點，體現在不區分情況的大一統的制度建構，導致程序制度上的缺陷。
  9. Both of the protection use high frequency distance or directional protection as main protection, and use distance protection adding current protection as reserving protection. this dispositon assured relay protection ' s four features : election, sensitivity, instancy and reliability

    每套保護大多以高頻距離、高頻方向保護作為快速切除區內故障的主保護，而以距離保護和零序保護作為后備保護，保證了繼電保護的選擇性、靈敏性、快速性、可靠性。
  10. This paper is divided into four parts which respectively discusses some basic theory problems and practice problems in detail. the first part marly outlines the development course of china academic information resources joint building and sharing. the second part analyzes the advantages from good campus network environments, teachers and students " information demands, the importance of academic libraries, and the opportunity of advanced education development in china. the third part analyzes the current situation from the library networks, documents acquisrtion, interlibrary loan, the digital development of library holdings, and the development of virtual storages

    全文共分四個部分，詳盡地論述了高校信息資源共建共享的基本理論問題和實踐問題。第一部分首先概述了中國高校信息資源共建共享的發展歷程。第二部分從良好的校園網路環境、高校師生的信息需求、高校圖書館的基礎地位和中國高等教育的發展契機方面分析了中國高等學校信息資源實現共建共享的有利條件。
  11. Second, the imaging model built here has taken into account the tilt modulation, the hydrodynamic modulation, and current modulations of radar cross section. consequently, it has realized the imaging simulation of four kinds of wakes with the same imaging model. third, the orbital velocity of ocean wave was considered as the basic dynamic factor, and the imaging model calculates the influence on raw data by the wave m ovement according to the orbital velocity

    該模型的主要特點是： （ 1 ）它採用了三尺度復合表面模型的思想來計算海面的電磁散射，考慮了中等尺度波對紋波的進一步調製作用，彌補了傳統雙尺度模型的不足； （ 1 ）它考慮了海浪的傾斜調製作用、流體動力調製作用和流場對雷達截面的調製作用，實現了用統一的模擬模型對四種艦船尾跡特徵進行成像模擬； （ 3 ）它把海面長波的軌道速度作為基本的動態成分，並依此來考慮海面運動對sar回波信號的影響。
  12. The important meaning in which this direction studied has lain in establishing the connection between the material science of concrete and civil engineering, analyse the strength in terms of material microcosmic or the mesoscopic, have important meaning to understanding, know the essential law of the strength of concrete. this text divides six chapters altogether. chapter one reviewed the pore structure in nowadays domestic and international research current situation, including the concrete examines research, research of the pore structure model and the research current situations of pore structure and strength relation of the pore method, have introduced some most important achievements of structure research of pore ; chapter two narrated much yardstick of the material mesoscopic structure of concrete and principle of examining pore technology of material of concrete, and the commonly used sign parameter in discussedding the pore and material pore of quito of cement and analyse, have explained that the influence factor of mip to the result of study of pore, has pointed out the limitation in mip in the pore structure ; analyse porosity and strength relation development course of model emphatically, and has carried on comparative analysis to the existing model, has pointed out the weak point of the original model ; on the basis of " ing integrate synthetically ", propose concrete pore structure compound body model and pore physical model of systemlex body ; chapter five carried on the corresponding test data to compares to the model parameter appearing in model of chapter four with and analyses, have received k value of the characteristic of strength of matrices of reflecting according to the method to return to analysis, and calculate the influence produced on the strength of concrete in revision that can probed into the content of cement, elastic mould and surface energy, exactness of the inspection model ; chapter six is the conclusion, according to studying the survey this text to some research conclusions of the pore structure and making corresponding prospect to the structure development of pore

    第一章回顧了孔結構在當今國內外的研究現狀，包括混凝土測孔方法的研究、孔結構模型的研究及孔結構與強度關系的研究現狀，介紹了孔結構研究方面的一些最重要的成果；第二章敘述了混凝土材料細觀結構的多尺度性及混凝土材料測孔技術的原理，並討論了水泥基多孔材料孔隙分析中常用的表徵參數，也說明了壓汞法測孔對研究結果的影響因素，指出了壓汞法在孔結構研究中的局限性；第三章是著重分析了孔隙率與強度關系模型的發展歷程，並對已有的模型進行了比較分析，指出了原有模型的不足之處；第四章在「綜合集成」的基礎上，提出了混凝土孔結構復合體模型和孔系統的物理模型，並模擬了該模型下由各單體並聯形成的復合體的斷裂過程，最後根據所建模型編制了相應的計算程序，可根據輸入的孔徑分佈與水泥含量等參數，實現混凝土理論強度的計算；第五章對第四章模型中出現的模型參數進行了相應的試驗數據對比分析，根據回歸分析的方法得到了反映基體強度特徵的k值，並從理論上探討了水泥含量、彈性模量和表面能的修正對混凝土強度計算產生的影響，檢驗模型的正確性；第六章是結論與展望，根據研究綜述了本文對孔結構的一些研究結論並對孔結構發展作了相應的展望。
  13. In reface, the author analyzes the meanings of the theme of rpc ' s representativeness, and introduce the current research situation and the innovation of the paper, which paves the way for the theme ' s research. the main body includes four parts

    前言:分析了人大代表代表性這一選題的意義，介紹了國內研究現狀、本文的研究方法和創新之處，為論題的研究作了基礎性準備。
  14. According to current studies, there are four hypothesis about mechanism : damage to vascular system, zymogram alteration, androgenic hormone disturbance and lipid peroxidation

    目前研究認為存在四種關于作用機理的假設：血管系統損傷、酶譜改變、雄性激素失調和脂質過氧化。
  15. In addition, the paper also analyses the feasibility of implementing information management and suggests that systematic method should be used to set up a dynamic information portal with level and vertical combination based on information management, providing more supports for e - government affairs to better serve the public in the environment of knowledge economy. centering on the construction question of government ' s information portal, the paper is divided into four parts. the first part is on government ' s information portal website construction, definitions of some basic concepts and the current situation of government ' s

    圍繞政府信息門戶網站的建設問題，論文分為五個部分，一、政府信息門戶網站建設研究現狀，明確一些基本概念的定義和政府信息門戶網站建設的現狀;二、政府信息門戶網站建設實施知識管理的意義，分析了政府信息門戶實施知識管理的必要性和可行性;三、政府信息門戶網站建設實施知識管理的條件，指出了實施知識管理的四個條件;四、政府信息門戶網站建設方案設計規劃;五、政府信息門戶網站建設系統實施。
  16. The simulation of " flight mission 3d visualization of the unmanned aerial vehicle ( uav ) " fully absorbs and applies current advanced 3d visualization theory, simulates the characteristics of true 3d volumetric display technique which are full - vision, multi - angle and can be observed by many persons at the same time and so on. it displays the process of flight according to mission of uav by the online of four computers

    「無人機任務飛行的三維可視化」模擬充分吸收和運用當前先進的三維可視化理論，盡可能的模擬真三維立體顯示技術的全視景、多角度、可供多人同時觀察等的特點，通過四臺計算機的聯機，在同一時刻從各個不同的角度來顯示無人機任務飛行的全過程。
  17. Part three analyzed the historical motivation and the contents of different models of securities regulating and supervising, and discussed the necessity of a centralized regulating model. part four tried to sort out the mechanism and existing problems from the evolution of china ' s securities market regulatory system, then gave advice about how to improve the current regulatory system and how to regulate and develop china ' s securities market. china ' s securities market is still in its babyhood

    首先對集中型監管體制、自律型監管體制、中間型監管體制的優缺點作了介紹，然後對不同證券監管模式以美國和英國為例對形成的歷史原因進行了分析，指出證券監管及其體制演變是伴隨一國的證券市場發展，乃至國家經濟、政治、法律、文化和傳統等的變化而變化的動態的歷史過程，證券監管體制變遷的必然性就蘊藏在社會經濟和政治生活的客觀需要之中。
  18. The fitness of four negative electrode materials such as al, fe, zn, cd, and of six membranes materials : microfiber glass mat separator, polyethylene, polypropylene, polyvinyl chloride, vinylon, soapnated cellulose acetate, and of four current collects : carbon fiber ; nickel foam ; nickel foam sthongthened by iron wire net, punched silver grid in the super - iron alkaline batteries was comparatively studied. the influence of two storaged method ( with and without electrolyte ) and two impurities ( zno, fe ( oh ) 3 ) to the experiment cell ' s self - discharge nature was also comparatively studied. at last, the nature of discharge. structure and electrochemistry of experimental cell with k2feo4 as cathode active material prepared by three different methods : high temperature reaction, hypochlorite oxidizing and electrolysis, was comparative ly studied. we can conclude : i ) the open - circuit potential and the flat of work potential and the percent of capacity of k2feo4 till 1. 0v during the discharge at constant load of experimental cells decreased by the order of al / k2feo4, zn / k2feo4, cd / k2feo4, fe / k2feo4. as for the nature of charge - discharge cycle, cd / k2feo4 fe / k2feo4 zn / k2feo4. in water solute electrolyte, although al / k2feo4 can n ' t be used as storage battery, it have great potential as primary cell or storage cell from the aspect of its discharge capacity. discharge power

    採用組裝實驗電池、 x -射線衍射（ xrd ）和循環伏安（ cv ）的方法，從實驗電池的放電特性、充放電循環特性、自放電特性，不同高鐵酸鹽的結構特性和電化學特性幾個方面，對4種金屬負極材料（ al 、 fe 、 zn 、 cd ） 、 6種隔膜材料（復合玻璃纖維、幅射接枝聚乙烯、改性聚丙烯、聚氯乙烯、維尼綸無紡布、皂化再生纖維素） 、 4種集流體材料（泡沫鎳、以鐵網為加強層的泡沫鎳、切拉銀網、炭纖維編織網）在堿性高鐵電池中的適用性進行了比較研究；對2種雜質組分（ zno 、 fe （ oh ） _ 3 ）和2類不同貯存方式（干、濕）對實驗電池自放電特性的影響進行了比較研究；對3種方法（高溫固相反應、次氯酸鹽氧化、直流電解）所制k _ 2feo _ 4的實驗電池的放電特性、結構特性和電化學性能進行了比較研究。
  19. 3 dietterich t g. machine learning research : four current directions. ai magazine, 1997, 18 : 97 - 136. 4 lindsay r, buchanan b, feigenbaum e, lederberg j. applications of artificial intelligence to organic chemistry : the dendral project

    在提出多示例學習的概念時， t . g . dietterich等人指出，該領域一個非常值得研究的課題是如何對常用的機器學習方法進行改造，使它們可以處理多示例學習任務。
  20. Let me now turn to four current threats to world peace, where true leadership and effective action are badly needed

    現在我要談談當今迫切需要真正領導作用和有效國際行動的四項對世界和平的威脅。
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