change control process 中文意思是什麼
change control process
解釋
變更控制流程-
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，選取適當的微元控制體，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數，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數學模型，為系統模擬奠定基礎； 2 ）對蒸發在大擾動下的開、停機過程，運用動態集中參數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提供一定的理論基礎； 3 ）對蒸發器正常運行過程，運用動態分佈參數和參數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數的變化情況及各入口參數對蒸發器動態特性的影響即蒸發器性能對各參數變化的敏感性； 4 ）編寫翅片管蒸發器動態特性模擬計算程序，可以計算不同邊界條件和初始條件下的製冷劑熱力參數、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。 -
In recent years, the water - saving and control irrigation technique of rice has diverted from plot experimental and demonstration to lare scale. and has got remarkable economic and social benefits. amed at the characteristics of this irrigation area, optimal selection for water - saving techniques of rice, deciding the amout of leaching water and irrigation modles, investigating the adaptability of the water - saving and control irrigation technique in saline land. studying the increase in production mechanism of the technique are important to extend the technique, to better and develop saline land as well as slick spots. according to the results of field experiments, optimization study was conducted on the water - saving irrigation technique of rice in saline land, the effects of different water - saving irrigation techniques on the physiological indexes and yield of rice were systematically analyzed. by using mutiplepurpose fuzzy optimization method, better. water - saving irrigation technique was selector out, that is. the control irrigation technique in rice. the mechanism of it was analyzed from the aspect of the physiological and ecological saving water of rice to provide the implemental process and technical point ; throgh the quantitive analysis and comparision on control irrigation and control class ( flood irrigation ), high production and quality mechanism of the technique was analyzed in terms of physiology indexes of rice, the variation of soil moisture, the pest resistance and the lodge resistance, the change of soil temperature in paddy fields. the yield constitutive factors, the quality of rice and so on. in saline land. control irrigation and intermittent leaching modles were adopted to validate the adaptability of the technique in irrigation of rice in saline land, to analyze rice ' s physiological - ecological indexes and the change of soil salt content under the conditions of control irrigation leaching of rice and and to provide control irrigation and combined modle of intermittent leaching to adapt to different conditions
本文從試驗及試驗資料入手，取得以下主要成果和結論：對鹽堿地水稻節水灌溉技術進行優化研究，系統地分析了不同節水灌溉技術對水稻生理指標及產量的影響，採用了多目標模糊優化的方法，對灌水技術進行綜合評判，優選了節水灌溉技術，論證該地區宜採用水稻控制灌溉技術；闡述控灌技術通過調節和控制水稻的需水規律，降低水稻高產情況下的無效水量消耗，從水稻生理、生態節水兩方面分析了控灌技術節水機理，針對性地總結出水稻各生育期實施節水控灌技術的步驟及技術要點；通過控灌與淹灌的定量對照比較，從根系、莖蘗、冠層葉片及綠葉動態到株高，土壤水分變化，抗病蟲害、抗倒伏能力，稻田土溫變化，產量構成因素及稻米品質等諸多方面進行動態比較，分析控灌技術高產優質機理；在鹽堿稻地採用控制灌溉+間歇淋洗模式，跟蹤測試田間水鹽變化狀況，驗證控制灌溉技術在鹽堿地區水稻灌溉中應用的適應性，通過分析水稻控制灌溉淋洗條件下水稻生理生態指標，提出優化控制灌溉+間歇淋洗組合模式，為進一步在高礦化度地區試驗水稻控灌技術奠定基礎。 -
Medical practice is very complex, the change that produces in process of some medical treatment can prevent, but also a few circumstances can foreknow not only and also control hard
醫學實踐非常復雜，有些醫療過程中所發生的變化可以預防，但也有一些情況不僅可以預見而且也難以控制。 -
Virtual reality technology can provide " participants " with a feeling of being personally on the scene. as a main actor in the virtual environment, userscan control any objects in the virtual environment arbitrarily and can get reaction in time. in the hyperspace of the information, he can get acknowledge with their own percipience and cognition, and, seek the solutin, and form the new conception. the association of the virtual reality technology and java technology intensify the interaction between the users and viryual reality technology. with the interface provided by java, the user can control any objecs and change the attributes ( such as position, angle, color and etc. ). this paper formulizes application of the virtual reality technology in the system of the building seilling which uses the real three dimensions models to replace of static picture ' s and word ' s description. in the process of the practice, the paper analyses the difference between javascript, java claa and java applet, and formulize the their applications in this system
用戶在多維信息空間中，依靠自己的感知和認知能力全方位地獲取知識，發揮主觀能動性，尋求解答，形成新的概念。虛擬現實技術與java技術的結合增加了虛擬現實技術與用戶的交互功能，用戶可以通過java提供的界面，操縱場景中的任何物體，並改變相應的屬性（如：位置，角度，顏色等等） 。本篇論文闡述了虛擬現實技術應用在售樓系統中，用真實的三維模型來代替原有的靜態圖片及文字描述，在實踐過程中，分析了javascript ， java類，及javaapplet實現功能中的利弊，分別闡述了它們在本系統中的應用，從理論上講，本課題所研究的虛擬現實技術不只適用於售樓系統的電子商務中，同樣可用於軍事和演習、醫學、教育、娛樂和工程設計等領域。 -
The control system of mould level is crucial to improve the slab quality in the continuous casting process, pid controller is used in the traditional mould level control, and it has some defaults, such as : at the start - up or finishing period of casting or during the changeover of tundish, pid control has a bad effect, its overshoot is large and its transient time is long ; the erosion of the tundish stopper and the submersed nozzles lead to the accuracy of control become bad ; the abrupt falloff of block in the submersed nozzles makes the level acutely fluctuate, and pid control can not overcome the disturbances resulted from the change of casting speed
結晶器液位控制系統是提高連鑄產品質量的關鍵環節，傳統的連鑄機液位控制方法採用常規的pid控制，存在如下不足：開始、結束澆注和換中間罐澆注時，控制效果差，超調量大，過渡時間長；塞棒頭和浸入式水口被腐蝕后引起控制精度差；浸入式水口堵塞物的突然脫落所引起的液位劇烈波動；無法克服拉速波動引起的擾動。 -
The model - free pid control method with neuron tuning gain and the neuro - fuzzy control method for a constant cutting force metal turning process system are proposed. the former method keeps the cutting force to be constant by using the neuron to change the pid controller gain on - line. the latter method construct the fuzzy neuron controller by combing the fuzzy controller and the neuron controller
針對具有非線性和不確定性的機械加工切削過程，提出了神經元增益自整定的pid控制方法和模糊神經元非模型控制方法，前者採用神經元來在線調整pid控制器的增益，後者將模糊控制器和神經元控制器相結合構成模糊神經元控制器，這樣當對象特性隨切削深度的變化而變化時，所設計的控制器能保持切削力恆定，使系統穩定並具有滿意的動態品質。 -
Abstract : on the basis of that the proportion of time spent sparking is analyzed in electrical discharge machining ( edm ) process, a new method. which is used to ascertain the trend of discharge gap change, is presented. and a fuzzy control strtegy is introduced to parctical use, the results is well
文摘:通過對電火花成形機放電狀態的分析，提出了利用分析周期內出現異常放電狀態時間的比例及開路狀態所佔時間的比例，來判別電火花成形加工的間隙放電狀態及其變化趨勢的方法，並在此基礎上利用模糊控制策略實現了對電火花成形加工過程中放電狀態的控制，取得了令人滿意的效果。 -
The second chapter studies the economy of ship ' s power plants, based on the aspects of lowering fuel cost, waste heat recovery, the match of ship, machinery and propeller, increasing propulsion efficiency, increasing the economy of ship ' s power plants, etc. the third chapter discusses in detail the control measures of voyage change cost, analysizes systematically the voyage change cost based on the way of fuel cost, harbor cost, voyage venture cost. the fourth chapter studies the structures and control measures of seafarers cost, maintenance cost, spare parts and stores cost, lubricating oil cost, etc. which are relatively easy to be controlled ; based on the state maintenance decision - making, a mathematical model is put forward, the validity and its solve process are discussed. the control measures of spare parts, fuel cost and lubricating oil cost should be based on scientific budget, through the control means of application, reception, usage, store check, try to acquire the inosculation of theory
第一章主要討論營運船舶運輸成本，對船舶運輸成本的概念、結構、性質與分攤、成本細分進行了分析，從宏觀上闡明了船舶運輸成本的生存環境和生長趨勢；第二章研究了船舶動力裝置的經濟性，在營運船舶降低油耗、廢熱利用、船機槳匹配、提高推進效率、提高船舶動力裝置經濟性的有效途徑等方面進行了闡述和論證；第三章詳細論述並論證了航次變動成本的控制措施，全面系統地分析和總結了航次變動成本，通過對燃油成本、港口使費、航次風險成本的分析與控制，提出了航次風險成本的概念並論述了若干航次風險成本的控制措施；第四章對船舶營運成本中的船員費用控制、維修保養及其費用控制、船舶備件物料管理及其費用控制等幾個主要可控性較高的成本進行了細致的分析並分別討論了相互的控制措施，提出了基於狀態維修決策的馬爾可夫數學模型並論證了模型的正確性及具體解算步驟，對于備件、燃潤物料的控制堅持以科學的預算為前提，以申領、接收、使用、盤存為控制環節，切實做到理論與實踐的密切結合；第五章，結合營運成本的預核算的案例，對船舶營運成本的預算及核算進行了有益的探討，旨在揭示成本發生的動因，並給出了成本預算、核算的編制方法。 -
How eradicate completely to cheat : the reform of [ with ] the enlargement examination method, reduce the final result the comparison have in the course result, change the target control to control for the process ; end, should be perfect to the student ' s review systems, beg the solid spirit and creative ability as the 評 label student ' s foundations, for study result the strength and progress of the still not enough good student want to give to be well affirmative, formation encouragement the student become useful, help the student become useful of good atmosphere
怎樣杜絕作弊:加大考試方法的改革，減少期末考試成績在課程成績中所佔的比例，變目標控制為過程式控制制；最後，應完善對學生的評鑒體系，把求實精神和創新能力作為評簽學生的基礎，對于學習成績尚不夠好的學生的長處和進步要予以充分肯定，形成鼓勵學生成材、幫助學生成材的良好氛圍。 -
There are a lot of advantages of this control technology such as automatic to distinguish parameters of the controlled object, automatic to tune parameters of the controller, and adaptive to change with the process parameters, which make it become a perfect control technology
自適應控制技術是近些年發展的一種性能很好的實時控制技術，具有自動辨識被控對象參數、自動整定控制器參數、能夠適應被控過程參數變化等一系列優點，成為一種理想的控制技術。 -
This research has include these following : firstly, base on the analysis of the process principle and the limitation of the original system prototype, this paper has analyzed the reasons and redesigned the both organization and control of system, to improve the force condition this paper redesigned the organization of tool arm, to improve the precision of system change the motor and control card, and add the tool auto - check equipment
本文主要完成了以下幾方面的內容:首先，在分析已有的初代系統不足的基礎上，提出了改型方案，重新進行了機構和控制系統的設計，針對刀具電機受力不合理的問題，增加了支撐結構，重新設計了刀具連接體部分;針對加工臂偏擺電機的精度問題，更換了電機;針對加工設備不完善的問題，增加了對刀模塊。 -
Due to two work states - - - arc burning and short current - - - existed in welding process of consumable electrode welding, and different control objectives in these two states, two close - loop feedbacks are designed in the control system : welding voltage feedback and welding current change rate feedback
根據熔化極co2焊機具有燃弧和短路兩種工作狀態，且兩種狀態下控制目標不同的特點，在控制系統中設計了雙閉環反饋：焊接電壓反饋及焊接電流變化率di / dt反饋。 -
Aims at the characteristic of the fiber winding and analyzed the change pattern of the tension and the factors that influence the tension in the process, designed a tension control system which main control setup is integrated plc and which functional elements is magnetic powder brake
根據纖維纏繞工藝的特點，分析了纏繞過程中張力的變化規律及影響因素，設計了以集成式可編程序控制器為主控機，以磁粉制動器為執行元件的張力控制系統。 -
However, existing imperfect market system and impractical macroscopic control, all traditional grain marketing system provides the path dependence for the many - faceted targets of grain policy, so this process is far - flung institutional change
然而在糧食市場體系不健全、市場機制不完善、宏觀調控難以到位的情況下，糧食流通體制為目標多元化的糧食政策提供了制度上的路徑依賴，因而糧食市場化改革必然要經歷一個漫長的制度變遷過程。 -
The process of control is very complicated and that manual control ca n ' t meet the change of pressure in the pipes and the water level of the pure pond
控制過程繁瑣，而且手動控制無法對供水管網的壓力和水位變化及時作出恰當的反應。 -
Teams that do not have a requirements change control process must field change requests from all quarters and often have difficulty saying " no. " if you want to avoid this, along with having to constantly rewrite code to keep pace with the requirements changes, start a ccb or the equivalent
那些沒有需求變更控制流程的團隊只好把來自各個角落的變更請求全部公布出來，進而常常難于否決這些請求。如果你想避免這一點，避免跟著需求的變更不斷地被迫重寫代碼，那就請啟用一個ccb或者類似的東西。 -
Change control procedures should ensure that sufficient supporting data are generated to demonstrate that the revised process will result in a product of the desired quality, consistent with the approved specifications
變更控製程序應該確保足夠的支持數據的一致性以顯示經過修訂的工藝可以保證生產出符合要求質量的產品和規定標準的組成。 -
It is also found that the flow developments in all radial locations are not synchronized, but it extended gradually from the core region to the wall, until finally a fully developed flow is achieved across the whole cross - section of the riser. the flow development at the annulus region near the wall, as a control process of the whole flow development in the riser, is much slower, and more sensitive to the change of operation conditions than that at the core region
氣固兩相流動沿徑向的發展並不同步，而是一個由核心區向邊壁區逐漸擴展，最終達到充分發展的過程，該過程主要受邊壁區發展過程式控制制；相對于核心區，邊壁區的發展不僅顯著緩慢，而且受操作條件的影響也較顯著。 -
Through integration with the original project manage system, this product can do the identification, change control, statistic and audit for all the r & d project software of the enterprise. and more, it offers many enterprise managing functions, including the scm plan, test process manage, team manage and product release manage
Cmis通過和企業原有的項目管理系統的集成，實現了對企業所有項目的軟體配置項的標識、控制、統計和審計功能，還實現了配置管理計劃、軟體開發人員、測試流程、產品發布的管理功能。 -
Application of dissolution on process change control and some issues for its methodology development
溶出度在工藝驗證中運用及方法學建立時的若干問題
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