recovery characteristic 中文意思是什麼

recovery characteristic 解釋
改出特性
  • recovery : n. 1. 重獲；復得；恢復，收回，回收。2. 還原，復原；痊癒；蘇生；矯正。3. 回縮。4. 填地。5. 【法律】勝訴。
  • characteristic : adj 有特性的；表示…特性的，…特有的。 Japan s characteristic art 日本特有的藝術。n 特性，特徵，性...
  1. This paper researches the basic statistical rule of oil - gas dynamic system from the systematic theory, combining with the common characteristic and structure characteristic of oil - gas dynamic system, taking the design requirement of oil field development programming into consideration, by using of functional simulation principle ( including nn method, differential simulation method ) and historical data of oil field, establishes the in - out conjunctional relationship of dynamic index of oil field development, and researches the two level index prediction of development dynamic with both oil field and oil production plant on the basis of the in - out conjunctional relationship. furthermore, this paper analyzes the " decision - making variable ", " object " and " restriction terms " by the optimization theory and set up several optimal models which compose the oil field development programming, it is following : optimization model of the production composing ( solving the optimal composing of each subentry production and cor responding cost, workload, including the onshore thin oil production, the heavy oil thermal process production, tertiary oil recovery production, and the offshore production ) ; optimization model of measure production structure ( determining the optimal composing of each measure production and measure workload, which is composed of fracture, acidulation, capital repair and so on ) ; optimization model of the production distraction ( optimal distribution of the whole oil field production to each oil production plant ) and the integrated development programming model of oil field

    本文從系統理論出發研究油氣動態系統基本統計規律，結合油氣動態系統的一般特點，結構特點，兼顧油田開發規劃設計的要求，利用功能模擬原理（含神經網路方法、微分模擬方法） ，依據油田歷史數據，建立了油田開發動態指標間的輸入輸出關聯關系，並在此輸入輸出關聯關系的基礎上研究了油田及採油廠兩級的開發動態指標預測，同時利用最優化原理，在分析「決策變量」 、 「目標」及「約束條件」的基礎上建立了多個構成油田開發規劃的「優化模型」 ，這些優化模型包括：產量構成優化模型（解決陸上稀油產量、稠油熱采產量、三次採油產量、海上產量及對應的成本、工作量的最優構成問題） ；措施產量結構優化模型（解決壓裂、酸化、大修等各項措施產量及措施工作量的最優構成問題） ；產量分配優化模型（將油田的產量最優地分配到各採油廠）以及油田綜合開發規劃模型。
  2. This paper is at introduction foundation of cryptography, analyzes x. 509 certificate, has explained the principle of pki and function of each part, and combines the author ' s project development, explains the running environment and systematic characteristic of jy _ ca, it is to divide jy _ ca into ca initial module, certificate requisition module, certificate signature module, certificate revocation module, certificate inquiry module, privat key recovery module and management module. the realization of each module has been explained briefly at the same time

    本文在介紹密碼學知識的基礎上，剖析了x . 509證書的證書結構，詳盡闡述了pki的原理和各個組成部分的功能，並結合作者的項目開發，對jyca的運行環境和系統特點作了整體說明，把jyca劃分為ca初始化模塊、證書申請模塊、證書簽發模塊、證書吊銷模塊、證書查詢模塊、密鑰恢復模塊及管理模塊，同時對各個模塊的實現要點作了扼要說明。
  3. Genetic algorithm, as a computational model simulating the biological evolution process of the genetic selection theory of dar - win, is a whole new global optimization algorithm and is widely used in many fields with its remarkable characteristic of simplicity, commonability, stability, suitability for parallel processing, high - efficiency, and practibility. on the other hand, there are many op - timization problems in the field of digital image processing, such as image compression, pattern - recognition, image rectification, image segmentation, 3d image recovery, image inquiry, and or so. in fact all these problems can be generalized as the problem of searching for a global optimal solution in a large solution space, which is the classic application field of genetic algorithm

    遺傳演算法是模擬達爾文的遺傳選擇和自然淘汰的生物進化過程的計算模型，是一種新的全局優化搜索演算法，具有簡單通用、穩定性強、適于并行處理以及高效、實用等顯著特點，在很多領域得到了廣泛應用，另一方面，在圖像處理領域有很多優化問題如圖像壓縮，模式識別，圖像校準，圖像分割，三維重建，圖像檢索等等，實際上都等同於一個大范圍搜索尋優問題，而最優化問題是遺傳演算法經典應用領域，因此遺傳演算法完全勝任在圖像處理中優化方面的計算。
  4. Using normal probability model is more simple and efficient to determine performance and characteristic parameter of waterflood oilfield, so it is feasible and practicable to forecast water cut and oil recovery of waterfood oilfield and evaluate its development measures

    摘要應用正態概率模型可以方便地確定水驅動態變化、描述水驅特徵參數，這就使得預測油田含水率、採收率、評價並發措施變得比較簡便而實用。
  5. Took sha - zhuyu and east shore of qing - hai lake as the examples and based on the mass of field survey and soil analyse, took comparative method, we carried through the researches on the causes of the desertification, the origin of sandy desertificational land substance, the development diversification and difference of soil characteristic in process of manual and spontaneous vegetation recovery in high frigid regions and make out the taxonomy of desertificational land in high frigid region of china. the result obtained are summarized as follows : 1. the development of the desertificational land in high frigid regions is caused by the manual and spontaneous factors

    論文首次對高寒地區的砂質荒漠化土壤進行系統研究，以沙珠玉和青海湖東岸為例，通過野外考察和土壤樣品室內化驗，採用對比分析的研究方法，對中國高寒地區荒漠化的成因和研究區砂質荒漠化土地的形成演變，土壤發生特性、人工植被恢復和自然植被恢復過程中土壤的發育差異和性質變化進行系統研究，並用系統分類體系對研究區土壤進行類型劃分，得到主要結論如下： 1 、高寒地區荒漠化的發生發展是在自然因素和人為因素共同作用下進行的，沙珠玉地區風沙土是就地產生的，青海湖東岸地區風沙土主要是由風從湖的西岸搬運而來的，兩地區砂質荒漠化發展仍然十分嚴重。
  6. The characteristic of deformation microstructure at high temperatures for 7055 aluminum alloy have been studied. the condition of dynamic recovery and dynamic recrystallization took place in 7055 aluminum alloy had been explored

    研究了7055鋁合金高溫壓縮變形時的微觀組織演變特點，探明了7055鋁合金高溫塑性變形時發生動態回復及動態再結晶行為的條件。
  7. On the base of the study on sige material physics characteristic, sige / si hetero - junction characteristic, we dissertate the advantage of sige / si hetero - junction power diodes and establish more accurately physical models and propose two novel kinds of fast and soft recovery p + ( sige ) - n - - n + hetero - junction power diodes : the one is p + ( sige ) - n " - n + diode with the multiplayer gradual changing doping concentration in the n - region, and the other is p + ( sige ) - n " - n + diode with ideal ohmic contact on the cathode interface

    本文針對sige材料的物理特性、 sige si異質結特性建立了準確的物理參數模型。在詳細論述了sige si異質結功率二極體良好特性的基礎上，提出了兩種快速軟恢復sige si功率二極體新結構： n ~ -區採用多層漸變摻雜和陰極側採用理想歐姆接觸。
  8. The researching results indicate that using the two kinds of novel structure, the fast - switching and the soft recovery characteristics of the device are much improved but not notable changed in forward drop, and the temperature characteristic is improved, too. most of the characteristics are far better than the normal pin diode structures

    研究結果表明，在採用?基區漸變摻雜和臺面結構后的p ~ + （ sige ） - n ~ - - n ~ +異質結中，我們得到了更快而軟的反向恢復特性，和更低通態壓降的正向導通特性，且溫度特性也有明顯改善。
  9. Design a kind of sub - optimum digital prefilter. through the simulation of timing recovery loop which is n ' t added prefilter and which is added prefilter, discuss the convergence characteristic and compare the relation between timing jitter and signal to noise ratio, the relation between timing jitter and noise bandwidth of loop, the relation between symbol error ratio and signal to noise ratio

    通過對加預濾波器后的定時恢復環的模擬，討論了環路的收斂情況，比較了所設計的數字預濾波器和無預濾波器時環路定時抖動與信噪比、定時抖動與環路噪聲帶寬、誤碼率與信噪比的數量關系，證實所設計的數字預濾波器對減少定時抖動非常有效。
  10. This thesis, according to limestone environmental characteristic and characteristic of construction of highway of mountain area of limestone, sets out in excavating from the road bed of the angle of environmental protection, according to trying not to excavate, how to reduce to excavate, how to reduce and excavate the impact on surrounding environment of the course, how to go on the expressway view and ecological environment and how to carry on environmental quality resume, we employ theories such as engineering of traffic, rock soil engineering, traffic psychology, traffic aesthetics, operations research, etc. we have excavated environmental protection theory and method and carried on research to the mountain area expressway road bed of limestone systematically, propose the road bed to excavate and optimize, slope protect, discard cubic meter of earth and stone deal with, natural river system recuperate recovery, view environmental recovery, environmental quality resume theory system of appraising etc.

    本論文依據石灰巖山區環境特徵和石灰巖山區高速公路建設特徵，從路基開挖中環境保護角度出發，按照盡量不開挖、如何減少開挖、如何減少開挖過程對周圍環境的影響以及如何對高速公路景觀和生態環境進行恢復、如何對建設項目進行環境質量評價等思路，應用交通工程學、巖土工程學、交通心理學、交通美學、運籌學等理論與方法，系統地對石灰巖山區高速公路路基開挖環境保護理論與方法進行了研究，構建了包括路基開挖優化、邊坡防護、土石方處理、自然水系調治恢復、景觀環境恢復、環境質量評價等理論或方法的石灰巖山區高速公路環境保護理論框架，為促進石灰巖山區高速公路的可持續發展提供了基本思路。
  11. These results prove that the design method has great affection to reduced timing jitter. at the same time, simulate the convergence characteristic of timing recovery loop which is added prefilter when the input qam

    同時還模擬了加預濾波器后定時恢復環路在有載波誤差、交叉串擾情況下的收斂情況，證明了所設計定時恢復環路是正確的。
  12. By analyzing the charging & discharging characteristics of accumulators, and by improving the hardware and control algorithm of the former chargers, this dissertation designes a high - power charger. the charger can not only charge accumulators with constant voltage and limited current, but also charge them intelligently. meanwhile, it is characteristic of over - voltage, over - current and overheat protection, self - recovery and automatic current - averaged in parallel

    本論文通過對蓄電池的充、放電特性的分析以及對以往充電機硬體和控制演算法兩個方面的改善，設計了一種不僅能對蓄電池進行恆壓限流充電，還可以進行智能充電，同時具有過壓、過流、過熱保護、自恢復功能和並聯自動均流的大功率充電機。
  13. Testing methods for specific resistivity recovery characteristic of water filtered by membranes

    薄膜過濾水比阻抗復原特性的測試方法
  14. Testing methods for specific resistivity recovery characteristic of water filtered by ultrafiltration modules

    超濾組件過濾水比阻抗復原特性的測試方法
  15. This essay has touched upon the following work : 1. has built up theoretic models including static mathematic models of air compressor, combustion chamber, gas turbine, waste heat recovery boiler and steam turbine which are deduced according to the feature and theory of the equipment of the object of study. upon establishment of each model based on the actual conditions, a method of multiple imitation and combination is applied to parts which have already got characteristic curves to have achieved quite accurate curves whilst the method of neural net is applied to the parts which have no characteristic curves for establishment of models

    本文進行了以下的主要工作：建立理論模型，根據對象的實際設備的特點和理論關系推導壓氣機、燃燒室、燃氣輪機、余熱鍋爐、汽輪機的靜態數學模型；根據本研究的實際情況，在建立各部件模型時，對已有特性曲線的部件，採用多項式擬合的方法，得到較為準確的特性，而對部分沒有曲線的特性，則採用神經網路的方法建立模型。
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