梯度管法 的英文怎麼說
中文拼音 [tīdùguǎnfǎ]
梯度管法
英文
gradient tube method-
Procreant knowledge expression and forward inference engine are adopted in the method of fault diagnosis based on expert system theory. in the fault diagnosis applying neural network theory, six kinds of improved arithmetic of back - propagation arithmetic, including gradient descent with momentum, variable learning rate back - propagation, resilient back - propagation, quasi - newton, levenberg - marquardt and conjugate gradient, are applied to diagnose the faults of electric load manage center and solid state power controller. different diagnostic results gotten by simulation are compared at last
在基於專家系統的故障診斷方法中，採用了產生式知識表達和正向推理機制；在基於神經網路的故障診斷方法中，則分別採用了bp神經網路的附加動量法、自適應學習速率、彈性bp演算法、擬牛頓法、共軛梯度法和levenberg - marquardt法對電氣負載管理中心和固態功率控制器的故障進行診斷，並對由模擬得到的不同診斷結果進行比較。It includes two aspects in content : one is the best choice for plane disposal of pipeline, and its methods follows as decision - making plot, simple trapeziform and optimizing trunkform etc ; the other one is optimizing pipe parameter when the plane disposal of pipeline has been fixed, and the methods of which are linear programming, unlinear programming, dynamic optimizing, direct optimizing, hereditary arithmetic and so on
污水管網優化設計包括兩個方面的內容：一是管線平面布置的優化選擇；其方法有：決策圖法，簡約梯度法，優化樹法等。二是在管線平面布置已定情況下進行管道參數的優化；其方法有：線性規劃法，非線性規劃法，動態優化法，遺傳演算法，直接優化法等。The segmentation method of retinal blood vessels based on gray level - gradient co - occurrence matrix
梯度共生矩陣的視網膜血管分割方法Compared with the reality, it shows that this model and its parameters are defined reasonablly. to analyse the arrangement of drainage system with different spacings and depths, with unsteady flow formula and benefit index, this paper gives a two - dimensional non - linear programing model for arrangement of drainage system in the barley field, which can be solved by the method of projected gradient. by this model, we make out the optimum solution of spacings and depth of pvc pipe in littoral area of changjiang river that is s = 21. 5 8m, h = l. lm
論文通過對不同埋深、間距的塑料暗管排水布局的分析，結合非穩定流公式和效益指標，提出了麥田排水暗管布局的二維非線性規劃模型，並利用梯度投影法求解，得出長江下游濱海地區塑料排水暗管埋設的最優方案為埋深h = 1 . 1m ，間距s = 21 . 58m 。Using the literature materials and experience before, this paper makes a thorough study on optimal design of water supply networks. an algorithm of decomposing and coordination of system engineering which divides the optimization of the whole networks into three parts, i. e. optimization of water resource flow, and pipe - diameter and standardization of pipe - diameter is proposed. the three parts can be resolved by generalized contracted grads method, hybrid genetic algorithm which is the combination of genetic algorithm and grg method separately
本文根據以往的文獻資料及相關工程經驗，針對給水管網優化設計這一課題做了深入的研究，提出利用分層分解協調演算法將管網優化設計問題分解成流量優化、管徑優化及管徑取整三個子課題的思想，並分別採用廣義簡約梯度法、遺傳演算法與廣義簡約梯度法相結合的混合遺傳演算法及簡單遺傳演算法來求解三個課題。At some situation, some nodes pressure and supply of all water - supply sources are measured in xi ' ning ( resistance parameter of all pipes are known ). by using the pressure of the experiment and optimal measure points, the state simulation is done respectively to get all nodes " pressure. the comparison of the estimation results express that the optimal measure points is more representative than experiment one
利用簡約梯度優化法求解給水管網狀態估計的最小二乘數學模型，實測某一工況下西寧市配水管網部分節點水壓h _ 0 、各水源供水量（管段摩阻已知）分別用優化選擇的測壓點水壓和按經驗選擇的測壓點水壓估計所有節點的水壓，對西寧市配水管網進行了狀態估計。Study on the rapid purification of rat islet cells with push - type tube by modified mono - density gradient method
推進式離心管結合單密度梯度法快速純化大鼠胰島In crystal growth experiment, aggas2 crystal was growen in special quartz ampoule by crucible descending method ( b - s method ). the equipments were used, which consist of a two - zone vertical growth furnace whose temperature gradient is tunable, a descending device with decelerating rate of 1 : 2000, a controlling system of electy and a temperature testing system using thermal couples
晶體生長實驗中，我們利用上下溫度梯度可調的二溫區管式生長爐， 1 2000減速比的旋轉下降系統，電氣控制系統和密集適時測溫系統等，在特殊形狀的石英生長安瓿中，採用坩堝下降法（ b - s法） ，以合成的aggas _ 2多晶原料進行晶體生長。Based on the application studies of pcm, dcvc, cips and scm in protective coating for long - distance buried pipeline and the characters of long - distance buried pipeline in shandong, the synthetic inspection technology of protective coating for long - distance buried pipeline is proposed
摘要通過對電磁電流衰減法、直流電位梯度法、密間距電位測試技術、雜散電流測試儀在埋地長輸管道外防腐層檢測上的應用研究，並根據山東省埋地長輸管線的分佈特點，提出了聯合檢測方法。Through all of the work mentioned above, elucidating the stereo architecture of flap vein and ensuring the mechanism inside, provide anatomical basis for the applying characteristic, selection of engraft vein and the treatment of the circulation crisis. methods : ( 1 ) using both lower limbs of fresh adult cadavers, cannulas inserted forward from femoral artery and backward from dorsal venous networks of foot to inject 8 % gelatin carbonic ink, intra - femoral and local inject formalin to prevent rot
方法（ 1 ）採用新鮮成人屍體雙下肢標本，于股動脈及足背靜脈網順、逆行插管，分別注入8明膠碳素墨汁，爾後行股動脈灌注及局部注射福爾馬林防腐。切取皮瓣流水沖洗，酒精梯度脫水，二甲苯透明，冬青油內保存。The former two parts are the most difficult qaretions a1l along which can be resolved by adopting a anaiytic method named as simulatal annealtw ' s boltzmann. therfore. the pipe - dhaneter sold in the market and the more preferable rebuilding rrgeinen are attained directly the latter two parts can be settled by the adopion of the genendind contractal 8rads method which bo on inferior demand for iintial vaius and obvious effect of optdrihation
為了克服一直以來的管徑圓整和改造布局優化的兩大難題，採用模擬退火的玻爾茲曼機法對前兩部分進行求解，直接得到了市售管徑和較優的改造布局；后兩部分採用對初值要求不高、優化效果明顯的廣義簡約梯度方法。The optimal design of water supply networks has been broadly and deeply studied by many domestic and foreign scholars because of its important status in water supply engineering. the scholars advanced many kinds of optimal methods, such as classic optimal method, linear programming method, dynamic programming method, generalized reduction gradient ( grg ) method and simple genetic algorithms ( sga )
由於給水管網優化設計在給水工程中佔有重要地位，國內外學者對其進行了廣泛而深入的研究，提出了多種優化方法，諸如經典優化法、線性規劃法、動態規劃法、廣義簡約梯度法以及標準遺傳演算法。Plastics - methods for determining the density of non - cellular plastics - density gradient column method
塑料.非泡沫塑料的密度測定方法.密度梯度管法Plastics - methods for determining the density of non - cellular plastics - part 2 : density gradient column method
塑料.非泡沫塑料的密度測定方法.第2部分:密度梯度管法分享友人