條件提取常數 的英文怎麼說

中文拼音 [tiáojiànchángshǔ]
條件提取常數 英文
conditional extraction constant
  • : Ⅰ名詞1 (細長的樹枝) twig 2 (條子) slip; strip 3 (分項目的) item; article 4 (層次; 秩序; 條...
  • : Ⅰ量詞(用於個體事物) piece; article; item Ⅱ名詞1. (指可以一一計算的事物) 2. (文件) letter; correspondence; paper; document
  • : 提動詞(垂手拿著) carry (in one's hand with the arm down)
  • : Ⅰ動詞1 (拿到身邊) take; get; fetch 2 (得到; 招致) aim at; seek 3 (採取; 選取) adopt; assume...
  • : 數副詞(屢次) frequently; repeatedly
  • 條件 : 1. (客觀的因素) condition; term; factor 2. (提出的要求) requirement; prerequisite; qualification
  • 提取 : 1. (取出) draw; pick up; collect 2. (提煉) extract; abstract; recover
  1. Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping

    本文的主要內容如下: 1 )對翅片管蒸發器結構特點進行分析,選適當的微元控制體,就干、濕和霜工況下對每個微元分別進行傳熱傳質分析,基於經驗關系式確定霜的有關參,對于霜工況下的霜生長建立模型,經適當假設,運用質量守恆、能量守恆和動量守恆方程建立適合動態模擬的蒸發器學模型,為系統模擬奠定基礎; 2 )對蒸發在大擾動下的開、停機過程,運用動態集中參模型進行分析和計算,為更好地描述製冷系統運行的全過程奠定基礎,同時也為製冷系統實現自動控制供一定的理論基礎; 3 )對蒸發器正運行過程,運用動態分佈參和參間定量耦合的觀點來分析和計算,為更好地了解穩態工況下各點參的變化情況及各入口參對蒸發器動態特性的影響即蒸發器性能對各參變化的敏感性; 4 )編寫翅片管蒸發器動態特性模擬計算程序,可以計算不同邊界和初始下的製冷劑熱力參、空氣溫濕度和霜厚度分佈場,實現對翅片管蒸發器在干、濕和霜工況下的動態模擬。
  2. In recent years, plentiful and substantial fruits achieved by the lb method in simulations of hydraulics, multiphase flows, flows in porous media and heat transfer as well as magnetohydrodynamics, have revealed a broad perspective of application of this method, it will become a powerful competitor to the conventional approaches. in order to absorb the recent achievement in theory and application of the lb method, explore new ways in hydraulic computation to promote the development of practice, some work is car ried out in this thesis, as following : advances in the theory research and application, deductive process of the d2q9 model and some other commonly used models of the lb method are summarized. based on the hydrodynamic and general boundary conditions, a new joint boundary condition is presented, it integrates advantage of the two conditions above and obtains very good results in dealing with all kinds of boundaries of flow fields

    為了消化和吸收近年來lb方法在理論和應用方面的新成果,探索在水力計算方面的新途徑以促進lb方法實用化的發展,本文進行了下列研究工作:綜述了lb方法在理論研究和實際應用方面的新進展,以及d2q9模型的推導過程和其他一些用的模型;在水動力邊界和通用邊界的基礎上出了一種新的聯合邊界方法,它綜合了上述兩種邊界的優點,在流場的各種邊界處理中得了非好的效果,經過模塊化的處理以後這種邊界具有更好的實用性;針對均勻網格的lb方法計算效率較低的不足,出了雙重網格的latticeboltzmann方法,通過二維poiseulle流動、后臺階流動和渠道方槽流動三個算例的模擬,證明這種方法能夠明顯地高流場模擬的計算效率;此外,根據復雜區域流場的特徵出了latticeboltzmann方法的分塊-耦合演算法,利用lb方法的計算特性實現塊與塊之間的據交換,充分利用計算資源高計算效率,通過對「 t 」型、 「十」型和「 x 」型分岔管道流場的模擬,展示了這種演算法的特徵和優點,以及它所具有的應用前景。
  3. Backed up by the soplat theory based on particle kinematics, the second chapter of this paper presents with analysis and simulation of several single observer passive measurement models, which uses such relative movement parameters as bearings changing rates and centrifugal acceleration information on the basis of bearings measurements. in the third chapter, the observability of location respectively using bearings and its changing rates information and centrifugal acceleration information is analyzed, and its observable condition is got. the fourth chapter puts forward the modified covariance extended kalman filtering ( mvekf ) against the defect of traditional extended kalman filtering ( ekf ), whose performance is simultaneously compared in the chapter with the performance of ususal tracking algorithm such as ekf, mgekf, iekf by computer simulation

    在近年來出的基於質點運動學原理的單站無源定位理論基礎上,本文第二章出了幾種在角度測量的基礎上增加角度變化率及相對運動的離心加速度等運動學參的單站無源測量模型,並對它們進行了分析和模擬;第三章分別對利用角度及其變化率信息定位和利用離心加速度信息定位的可觀測性進行分析並得到了相應的可觀測;第四章針對傳統擴展卡爾曼( ekf )方法的缺點,出了一種修正協方差的擴展卡爾曼濾波( mvefk )方法,並將其和ekf 、 mgekf 、 iekf等用的單站無源定位濾波方法進行了性能模擬比較;第五章通過引入雷達機動目標跟蹤方法和模型,出了利用角度及其變化率對機動輻射源跟蹤的多級噪聲自適應方法和imm方法;第六章主要對角度變化率和離心加速度參的獲技術進行了研究,出了幾種高精度測量脈沖序列多普勒頻率變化率的方法。
  4. Conditional extraction constant

    條件提取常數
  5. Red tide occurs randomly, with short duration and large incidence. airborne hyperspectral remote sensing technique can play an important role in red tide ' s monitoring. and the precondition is to acquire in situ spectral data of red tide, to grasp red tide ' s spectral characteristics by data processing and analysis and to set up spectral library of different dominant species of red tide

    赤潮是海水中的浮游生物在一定下過度繁殖或聚集致使海水變色的一種生態異現象,因其具有隨機性、突發性、持續時間短、影響范圍大等特點,客觀上要求利用航空高光譜遙感技術對其進行監測;但首要的前與基礎性工作是大量獲赤潮水體的現場光譜據,通過處理與分析,掌握其光譜特性,不斷充實赤潮優勢種類的光譜據庫。
  6. Using comptlter as the tool, referencing geographic information system ( gis ), based on the data of l / 200, 000 geochemical exploration and remote sensing, this dissertation researches in the data image processing methods, and accomplishes automatic searching and locating abnormity of geochemical exploration, providing basis of series minerals prediction. with processing of the remote sensing images, structural lines are picked, and the mineralization conditions are determined

    本文以計算機為工具,參考地理信息系統( gis ) ,以1 20萬化探據和遙感資料為基礎,研究出化探據的圖像處理方法,最終實現化探異自動搜索定位,供系列礦產預測依據,結合遙感影像的圖像處理,構造線,確定研究區的成礦
  7. When the data of logistics in current process are used for input of simulating logistics in future 100 % continuous casting process, supply of hot metal from iron - making process may not satisfy the needs of 100 % continuous casting on raw materials. because planning scheme in continuous casting process depends greatly on smelting scheme in convertor vessel, it is important for operator to balance raw materials supply, smelting and casting in order to realize the scheme of 100 % continuous casting. when some equipment are work abnormally, mixer of hot metal and lf furnace can be used for logistics buffer

    用攀鋼煉鋼生產據對模擬軟體系統進行的測試和模擬研究結果表明:模擬系統的隨機發生演算法可以實現對作業時間的依分佈隨機抽;在相似的輸入下,模擬結果與實際生產物流的時間分佈規律基本吻合,達到了模擬軟體設計的預期目標;若以攀鋼釩煉鋼廠現工藝的鐵水輸入作為全連鑄后的輸入,則現工藝的物料供應能力可能難以滿足全連鑄生產的要求;連鑄機的連澆計劃對轉爐爐次計劃的編制有很高的要求,合理安排來料、煉鋼與澆鑄三者間的物流平衡關系將是保證全連鑄作業的重要;當出現設備異情況時,可以利用混鐵爐與lf爐站前等待作為物流緩沖池,通過延長系統的平均物流時間來緩解因設備檢修和故障等擾動所造成的影響,確保生產的順利進行。
  8. 2. the concept design is the key phase of the first stage of system optimization. the paper emphatically discusses with emphasis several issues difficulty to answer, such as the determination of the soil parameters, the soil pressure and the safety factor and the reliability of retaining structure, summaries and analyses the main geotechnical problems during the excavation on the four familiar geologic strata of saturation soft soil on the class i terrace of the yangtze river, aged - clay, expansive soil and loess and investigates carefully the patterns of deformation and destruction of pit slope in the saturation soft soil, puts forward three basic principles of selecting schemes of retaining structure, namely : facing to the problem, facing to the characteristics of excavation and environment

    ( 2 )概念設計是深基坑工程第一步優化? ?系統(方案)優化設計中的關鍵,文中重點討論了概念設計中的幾個難點問題,如土性參的確定、土壓力的選、深基坑工程的安全度和可靠度分析等;總結分析了飽和軟土、老粘性、膨脹土和黃土這四類見地層下的深基坑工程中的主要巖土工程問題,其中重點研究了長江級階地上的飽和軟土深基坑邊坡變形和破壞模式,出了選擇支護方案的基本原則,即:面向問題、面向基坑特點、面向周邊環境特點。
  9. This research established an estimating model of pinus massoniana stand volume with the elements as variates directly obtained from rs and the conditions of stand that were extracted from 130 samples of pinus massoniana stand from the fifth forest resource continuous investigation data in min - jiang watershed and flitered by the thrice standard deviation method and liner regression method and the correlation coefficient is 0. 735 the suitability and precision of the model were tested and regression analysised with data that were extracted from another 30 samples

    摘要從福建省第5次森林資源一類調查落在閩江流域的樣地中抽馬尾松林樣地130個,以rs可因子及樣地林分立地因子為可選變量,利用3倍標準差法進行異據的篩選,對林分立地定性因子進行量化處理,通過逐步回歸構建閩江流域馬尾松林分蓄積量估測模型,研究結果所構建的蓄積量估測模型的相關系為0 . 735 。
  10. The result that this kind of practice spreads, it is to make the number of the annuities that get increases, and the number that pay endowment insurance expends decreases accordingly, accentuated burden of endowment insurance fund, affected the normal retiree that accords with a condition of basic annuities on time full specified amount extends ; 2 it is to make one batch did not arrive the age, the technology, worker that has experience exits working station ahead of schedule, create the waste of labor natural resources not only, and the on the rails that affected an enterprise to manufacture management activity, legitimate rights and interests of the worker also got enroach on ; 3 it is to shift to an earlier date in great quantities retiree 2 obtain employment, formed concussion to the labour market, the normal order that disturbed the labour market develops

    這種做法蔓延的結果,一是使領養老金的人增加,而繳納養老保險費的人相應減少,加重了養老保險基金負擔,影響了符合的正退休人員基本養老金的按時足額發放;二是使一批未到年齡、有技術、有經驗的職工前退出工作崗位,不僅造成勞動力資源的浪費,而且影響了企業生產經營活動的正進行,職工的合法權益也受到了侵害;三是大量前退休人員二次就業,對勞動力市場形成了沖擊,擾亂了勞動力市場發展的正秩序。
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