field domain 中文意思是什麼

field domain 解釋
場疇
  • field : n 菲爾德〈姓氏〉。n 1 原野,曠野;(海、空、冰雪等的)茫茫一片。2 田地,牧場;割草場;〈pl 〉〈集...
  • domain : n 1 領土,版圖;領地。2 管區,勢力圈;(特定動物等的)生長圈;(學問、活動等的)領域,范圍;【物...
  1. The cardinal functions on continuous domains and some cartesian closed subcategories of slp liu ni abstract domain theory is an important study field of theoretical computer science

    正是這一特徵使domain理論成為理論計算機科學與格上拓撲學研究者共同感興趣的領域,並使domain理論與許多數學學科產生了密切的聯系。
  2. Domain theory provides the mathematical foundation for denotation semantics of computer program languages. it is characterized by the close connection between order and topology, which makes it the common study field of both computer experts and mathematicians. weight, character and density are generally called cardinal functions

    一種domain范疇要成為某種語言的語義學模型其基本條件是笛卡爾閉的,因而研究domain范疇的笛卡爾閉性或者說尋找笛卡爾閉的domain范疇就自然成了domain理論中一個十分基本的問題。
  3. Through studying it is shown that in chagan sag, the geothermal gradients in the center are higher than those around the sag margin and major factors influencing the characteristics of temperature field distribution are the property of geotectogenesis and the differences in tectonic portion, lithology and underground water behaviour ; there are three types of mudstone compaction, i. e. normal compaction, undercompacition and overcomepaction ; there are two pressure systems in sandstone reservoirs, i. e. normal pressure and negative pressure systems and the strata ' s being uplifted and denuded is the key factor leading to the formation of the negative pressure system in reservoir ; and the distinctive temperature - pressure field characteristics in the sag are possessed of important petroleum geological significance in hydrocarbon source maturity, hydrocarbon generation, widening on oil and gas exploration domain and selecting exploration targets, etc

    研究表明,查干凹陷中心的地溫梯度高於凹陷邊緣,大地構造性質及所處構造部位、巖性與地下水活動的差異是影響凹陷地溫場分佈特徵的主要因素;泥巖壓實存在正常壓實、欠壓實和過壓實三種類型,砂巖儲層段壓力類型可分為正常和負壓兩個系統,地層抬升剝蝕是導致儲層負壓系統形成的主導因素;凹陷獨特的溫壓場特徵對烴源巖成熟、油氣生成、油氣勘探領域的擴大及勘探方向的選擇等具有重要的油氣地質意義。
  4. In this article, the fundamental principle and current research of optical data storage including cd and dvd, three - dimensional optical data storage and near - field high - density optical data storage are summarized. a two - dimensional finite difference time domain program for analysis of solid immersion lens system is compiled

    本論文概述了已產業化的以cd和dvd為代表的光盤存儲技術和在開發中的高密度光存儲技術(主要包括三維光數據存儲技術及近場光學超高密度光存儲技術)的原理及研究現狀。
  5. Being a method of time - domain electrical magnetic surveying, the transient electromagnetic method ( tem ) can transmit first pulse electromagnetic field to underground making use of loop or electrical source and receive secondary induction field during of the pulse intermission

    瞬變電磁法是一種時間域電磁測量方法,是利用不接地回線或接地線源向地下發送一次脈沖磁場,在一次脈沖磁場的間歇期間,採用不接地線圈接收感應二次磁場。
  6. In other words, each domain is spontaneously magnetized to saturation even in the absence of any external field.

    換句話說,即使在沒有任何外磁場的情況下,每個磁疇也自發地磁化到飽和。
  7. This paper describes briefly the gist of the data - processing and interpretation system for time domain " mise - a - la masse " method and deals in detail with its field application in two metallic ore districts within sichuan province

    摘要簡要介紹時間域充電法資料處理及解釋系統的基本內容,並詳細介紹了在四川省境內的2個金屬礦區的野外應用結果。
  8. Abstract : this paper describes briefly the gist of the data - processing and interpretation system for time domain “ mise - a - la masse ” method and deals in detail with its field application in two metallic ore districts within sichuan province

    文摘:簡要介紹時間域充電法資料處理及解釋系統的基本內容,並詳細介紹了在四川省境內的2個金屬礦區的野外應用結果。
  9. Thedevelopment development hydraulic jack, the bearing heater, thebearing get up pulling out, the hydraulic pressure spanner, thehydraulic pressure pulls a horse, the hydraulic pressure small crane, nut broken cutting, the oil filter machine and the pipe bendingmachine and so on the advanced practical mechanical and electricalservice product has the world advanced level, the product and thetechnology widely applies to domain the and so on electric power, petrification, chemical industry, metallurgy, mine, spinning andweaving, papermaking machinery service department and the machinemanufacture unit, and in the daya bay nuclear power station, beijingsteel corporation, wuhan steel corporation, the baoshan steelcorporation, the daqing oil field, the victory oil field, the golmudoil field, the three gorges power plant, yangzi petrifies, qi and lupetrifies and so on in the national large and middle scale enterprisesand the project the comprehensive promoted use

    研製開發的液壓千斤頂,軸承加熱器、軸承起拔器、液壓扳手、液壓拉馬、液壓小吊車、螺母破切器,濾油機和彎管機等先進實用的機電維修產品有世界先進水平,產品和技術廣泛應用於電力、石化、化工、冶金、礦山、紡織、造紙等領域的機械維修部門和機械製造單位,並在大亞灣核電站、首鋼、武鋼、寶鋼、大慶油田、勝利油田、格爾木油田、三峽電站、揚子石化、齊魯石化等國家大中型企業和工程中全面推廣使用。
  10. In addition, the ao index released by american climate prediction center ( cpc aoi ) fails to reflect the summer ao mode. in this paper, the time series of the leading principal component of the summertime ( june - september ) surface level pressure anomaly field over the domain poleward of 20 n is defined as the summertime ao index

    此外,美國氣候預測中心發布的全年北極濤動月指數不能表現夏季北極濤動型,本文將北半球熱帶外地區( 20 n以北)夏季( 6 - 9月)海平面氣壓場eof主模態的時間序列定義為夏季北極濤動指數。
  11. A doctor can find different spectrum distribution at each time segment, and can also look over frequency field corresponding time domain information

    醫生可以查找任一時段的不同譜峰分佈,也可以查看任一頻段對應的時域情況。
  12. By analyzing the relative documents in this domain, we summarize the theory about the method and the technology of application of detecting weak magnetism, and deal the instrument en the civil and the oversea, by means of detailed research, from the society requirement at the present, using the theory of fluxgate, the technology of fluxgate transducer and the new methods and the new components and through careful calculation in theory and the experimental debugging, we develop the supervision book system of the library, thus extend the scope of the application of weak magnetic field measurement

    通過分析國內外大量的相關文獻,從理論上對弱磁場的檢測方法與應用技術進行了總結和歸納,並且對目前國內外弱磁檢測的儀器也做了相關論述,通過對磁通門技術較詳細的研究,並從目前的社會需求出發,採用磁通門理論,應用磁通門傳感器技術,運用新的方法與元器件,經過洋細的理論計算與實驗調試,研製了可以應用於圖書館圖書監測的系統,從而擴展了弱磁測量技術的應用范圍。
  13. Based on sndm technique, a method of local capacitance - voltage characteristic characterization of ferroelectric thin films was proposed. the effect of traps at oxide - semiconductor interface on metal - oxide - semiconductor structure capacitance - voltage curve was discussed, and the influence of coercive field to the capacitance - voltage characteristics of ferroelectric thin films was also discussed. the dynamic switching of ferroelectric domain in ca doping ( pb, la ) tio3 thin film was studied by sndm from the view of electricity

    利用sndm ,從純電學的角度觀察了plct薄膜中的電疇動態反轉過程,由電疇橫向擴張的移動速度的降低,發現了晶界在電疇反轉過程中對疇壁移動的阻擋作用;根據sndm和pfm的在垂直方向上的不同信息敏感深度,得到plct薄膜中電疇反轉過程中電疇是楔形疇;用pfm觀察同一電疇在去掉外加反轉電場后電疇的極化弛豫現象,結果表明空間電荷是發生極化弛豫的主要原因。
  14. Experimentally, an interesting six - route ndr characteristic, resulting from the form of split miniband structures and the extension of high - field domain in the superlattice, is observed at room temperature

    實驗的結果顯示,由於此分?迷你帶結構及超晶格結構中高場區域的擴展,于常溫下可觀察出?道軌跡之多重負微分電阻特性。
  15. For the requirement of more negative differential resistance ( ndr ) routes, three split quantized energies are formed in the four - period inp / ingaas superlattice structure with relatively thin ingaas quantum wells under ideal flat - band condition, and high - field domain in the superlattice is formed under sufficiently large operation bias

    為獲得?多軌跡的負微分電阻,本研究組件使用?相當薄之砷化銦鎵?子井,可使四周期磷化銦/砷化銦鎵超晶格結構在平帶情況下形成三個分?的?子化能階,且於足夠大的操作偏壓下在該超晶格結構中形成?高場區域。
  16. Based on the transferred - electron theory of the iii - v compound semiconductor and the research on the lock - on effect of the si - gaas pcss ' s, this paper proposes the monopole charge domain model similar to the guun or high - field domain to explain the peculiar switching phenomena occurring in the lock - on mode theoretically

    本文基於gaas等?族化合物半導體的轉移電子理論,結合半絕緣gaas光電導開關中特有的lock - on效應的研究,提出了類似於耿疇(高場疇或偶極疇)的單極電荷疇理論模型,對光電導開關lock - on效應的各種現象給出了理論解釋。
  17. In addition, the breakdown and the degeneration of pcss " s are serious problems in the applications. in this dissertation the mode of luminous charge domain is perfected ulteriorly by deeply studying the dynamics characteristic of high - field domain of the trans - electron device with experiment stability of nonlinear pcss

    本文在通過對轉移電子器件偶極疇的動力學特徵作了深入分析的基礎上,結合非線性pcss ' s的穩定性實驗,對非線性pcss ' s的光激發電荷疇理論模型作了進一步的完善。
  18. The " wavefront " domain decomposition method developed above is used in the division of flow field domain. the quantity of physics variables on the " subjunctive " boundary elements needs mutual communication of subdomains during the simulation

    流場區域的劃分採用改進的「波陣面」區域分裂演算法, 「虛擬」邊界單元的物理量的計算由子區域之間相互通訊來完成,信息的發送方式採用「循環式」發送方式。
  19. For the first current plateau , two kinds of sequential resonant tunneling of - process and - x process are observed in the wide barrier gaas / alas superlattice under various pressures for p < 2kbar , the high field domain is formed by - process , while for p > 2kbar , the high field domain is formed by - x process when the barrier width was decreased to 2nm, we found that ground - state -

    對于寬壘( > 3 . 5nm )的gaaa / alas超晶格,當流體靜壓力超過臨界壓力2kbar后,平臺寬度隨壓力的升高而收縮。對于窄壘( 2nm ) gaaa / alas超晶格, u - i曲線上的平臺將不隨壓力變窄。
  20. Since the concept of superlattice was proposed, vertical transport in superlattice has been investigated widely. the electric field domains and current self - oscillations which result from sequential resonant tunneling between different subbands of the superlattice are very significant phenomena. such kind of oscillation can be uesd to make tunable microwave oscillaors. in this thesis, low temperature transport problem, especially the formation of field domain and the condition of current self - oscillations in doped gaas / alas superlattice with weak coupling are investigated thoroughly and also by combining the macroscopic model with the microscopic one., the voltage - current characteristic and the current oscillation are simulated. the calculated result is nearly consistent with the experimental data

    由超晶格中子能級之間的順序多阱共振隧穿引起的電場疇及電流自維持振蕩現象是其中的一個非常有意義的分支,該現象可用來製作電壓調諧微波振蕩器。本論文對弱耦合摻雜gaaa alas超晶格中的縱向輸運特別是針對低溫下的場疇的形成和固定偏壓下電流自維持振蕩產生的條件進行了深入的探討,並結合宏觀模型和微觀模型對超晶格在時變電壓作用下的電壓-電流特性以及固定偏壓作用下的電流特性進行了模擬計算。
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