chemical control method 中文意思是什麼

chemical control method 解釋
化學防除法
  • chemical : adj 化學的，化學作用的；應用化學的，用化學方法獲得的。n 〈常 pl 〉化學製品；藥品。 fine chemicals...
  • control : n 1 支配，管理，管制，統制，控制；監督。2 抑制（力）；壓制，節制，拘束；【農業】防治。3 檢查；核...
  • method : n 1 方法，方式；順序。2 （思想、言談上的）條理，規律，秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. On the theory, the predictive function control method based on the state space is discussed and the simulation results validate the pfc method ' s advantages on robust and anti - jamming comparing with pid method by computer simulation. the application research includes the application of the software of predictive function control ( apc - pfc ) and the software of the multiple - variables predictive control ( apc - hiecori ). the former were applied in the temperature control chlorinating process and ph control in the process of zymolysis of penicillin, the latter were applied in the advanced control of reclaim equipment of lox in china petroleum & chemical corporation yangzi petrochemical co., ltd

    本文主要從理論和應用兩方面對預測控制方法進行了研究，理論方面主要是從預測函數控制的基本原理出發，研究了一般情況下的基於狀態空間描述的預測函數控制策略，並通過計算機模擬驗證了pfc演算法比常規pid演算法具有更好的魯棒性和抗干擾性：在實際工業過程的應用上，又分為兩類演算法及軟體的應用，預測函數控制策略及apc - pfc軟體的應用主要以聚乙烯氯化過程的溫度控制和青霉素發酵過程的ph值控制為主，多變量預測控制演算法和apc - hiecon軟體的應用主要以揚子石化公司的液化氣回收裝置先進控制為主。
  2. The characteristic of chemical grouting material should combind with construstion method directed by the theories, it is necessity guarantee for the good result in some special cases. by cw series material, various complicated engineerings have been successfully handled, such as the treatment of concrete fine cracks in three gorges project ( tgp ), foundation reinforcement to the fault in in three gorges project ( tgp ), and the seepage control and reinforcement for the dam base of jiangya hydropower - station. these illustrations are provided to proof the advantages of modified epoxy resin and its technique

    化灌材料特性與理論指導下的灌漿工藝的全面結合是化灌處理，特別是特殊條件下灌漿效果的必要保證， cw系改性環氧化灌漿材及技術對多種復雜工況工程處理對象成功處理，解決了三峽混凝土微細滲水裂縫防滲補強、三峽工程地質斷層泥化夾層加固以及江埡電站壩基溶蝕帶防滲等一系列工程技術難題，印證了該材料及技術的先進性。
  3. Studies of genes related to heart development in drosophila contribute to reveal the mechanisms of human heart development and the congenital heart diseases. to clone and identify new genes that control the heart development, by a way of chemical mutagen, ems, we have established 1, 200 balanced - lethal lines on chromosome 2 and 3. with the screening the 330 stocks with immunochemical method using heart - specific antibody, mab. no. 3, we detected 60 lethal lines showing heart mutant phynotype

    為了克隆和鑒定控制心臟發育的新基因，本研究利用化學誘變劑甲磺酸乙酯大規模地誘變果蠅，並且建立了1200個第二和第三染色體的平衡致死系，利用心臟組織特異抗體mab . no . 3對其中330個品系進行免疫化學方法篩選，觀察到有60個致死系表現出心臟突變表型， 20個品系的心臟突變表型有待進一步證實。
  4. By applying the theory and method of geological anomaly, it is focused on the analysis of the characters of major geological anomalies and their effect of mineralization in daye - jiurui region. the analysis result shows that the basement fault anomalies control a few major large hidden batholiths and their associated orefields ; that the anomalies of cover structure confine most cu - au deposits and fe - cu deposits within their scope ; that the geochemical anomalies and lithofacies - paleogeographical anomalies are major geological factors leading to trataboundness of some cu - au deposits ; that the anomalies of rock operties provide the favorable chemical and physical conditions for the ore - forming process, including the seepage, circulation, convergence and deposit of ore - bearing hydrothermal solution ; that the anomalous ctive stage of mesozoic magmatite is almost consistent with the major mineralization epoch of the fe, cu deposits, and the structure of multi - levels, and the zoning in magmatic system determine the spatial distribution of the mineralization system. then, based on the above analysis, a comprehensive variate, geological combination entropy, is brought forward for reflecting the complex degree of the combination of geological ore - controlling factors. after circumscribing the anomalies of geological combination entropy, the relations between the anomalies and ore deposits are determined

    從地質異常的角度，重點分析了大冶九瑞地區主要地質異常的特徵及其對成礦的影響.由分析可知：基底斷裂異常控制了本區若干重要規模較大的隱伏巖基及伴生礦田，而蓋層構造異常控制銅金礦床和鐵銅礦床的空間位置；地層的地球化學異常和巖相古地理異常是造成一些銅金礦床層控性的主要地質因素；蓋層的巖性異常為含礦熱液的滲流、循環、聚集和礦質沉澱等一系列成礦作用提供了有利的物理和化學條件；中生代巖漿巖的異常活動期也是本區主要的鐵銅成礦期，巖漿巖系統的多層分枝和分帶性結構控制了本區成礦系統的三維空間分佈.在上述分析的基礎上，構置了地質組合熵作為反映控礦地質因素組合系統結構復雜程度的綜合變量，並圈定出組合熵異常，由此確定了綜合地質異常與礦床的關系
  5. The prevention methods include chemical antiscale method, physical antisacle method, control of the return proportioning of centrifugal solution, technical innovation, and standardized operation

    醪垢的預防方法有化學防垢法、物理防垢法、控制離心清液回配比、減少回配量、改善工藝、規范操作。
  6. Based on polymerization reaction of the nylon - 6 rubberized cord fabric production of distributed control system in yangzhou organic chemical plant computer integrated manufacturing system ( yh - cims / dcs ), the multiple stepwise regression method was used to build the statistic mathematical models of the molecule weight and the monomer quantum of casting slice belt. then the optimization model of polymerization reaction was presented, which was solved by using simulation annealing algorithm to obtain the best techniques parameters. the improved hybrid genetic algorithm and back propagation algorithm are combined to train neural network, brought out the neural network prediction model of casting slice belt ' s average molecule weight to guide the technologist on - line

    提出了流程工業生產過程操作優化策略和應用實施方法，包括生產過程離線優化策略、非線性問題求解策略、在線優化模型及學習策略；結合揚州有機化工廠計算機集成製造系統集散控制系統（ yh - cims dcs ）的實施，針對錦綸? 6浸膠南京理工大學博士學位論文摘要簾于布生產中己內酚胺聚合反應過程優化控制這一工程實際問題，採用統計建模方法，建立了聚合反應過程的優化模型；為求解所得的優化模型，提出了種改進的有約束條件下的模擬退火演算法，該演算法能避免陷於局部最優解，有效地提高了所求解的全局性和可靠性：提出了基於改進的ga演算法和sp演算法相結合的混合學習演算法，建立了基於神經網路的聚合反應過程生產目標在線預測模型，該演算法和模型滿足了生產中的實時性和實用性要求。
  7. From the viewpoint of safety technology of chemical reaction with heat release. the technical causes of getting out of control of these reactors are analyzed. hazardous effects of the leakage of chemical reactants both on human and environment, and the existing problems in current safety technological measures are also discussed. the cooling method of jet vaporization based on the jet principle and the direct cooling by non - vaporized liquid are introduced. the development trends of the safety technology for chemical reactors are analyzed

    從放熱化學反應的安全技術觀點出發，分析了放熱化學反應器失控的技術原因、化學反應物泄漏對人員和環境造成的危害、現有安全技術措施存在的問題；介紹了基於射流原理的噴射汽化和非汽化冷卻液體的直接冷卻方法；還展望了化學反應器安全技術的發展方向。
  8. Abstract : from the viewpoint of safety technology of chemical reaction with heat release. the technical causes of getting out of control of these reactors are analyzed. hazardous effects of the leakage of chemical reactants both on human and environment, and the existing problems in current safety technological measures are also discussed. the cooling method of jet vaporization based on the jet principle and the direct cooling by non - vaporized liquid are introduced. the development trends of the safety technology for chemical reactors are analyzed

    文摘:從放熱化學反應的安全技術觀點出發，分析了放熱化學反應器失控的技術原因、化學反應物泄漏對人員和環境造成的危害、現有安全技術措施存在的問題；介紹了基於射流原理的噴射汽化和非汽化冷卻液體的直接冷卻方法；還展望了化學反應器安全技術的發展方向。
  9. The integrated management method which combined mowing lawns, chemical control with pulling weeds by hand should be the most efficient control method

    採取草坪修剪養護、化學防除和人工拔除相結合的綜合治理方法是防除草坪雜草的有效方法。
  10. Its basic task is to reveal the chemical nature of the biological phenomena, develop the chemical method to control the biological processes, and provide the chemical technology to the biological investigation

    它的基本任務是提示生命運動的化學本質，發展生命調控的化學方法，提供生命研究的化學技術。
  11. It summarise a brief account of advance on radix paeoniae alba, including chemical constituents and quality control method, as reference for further research and develpoment

    摘要概述了目前白芍在化學成分和質量控制方法方面的研究進展，為白芍的進一步開發提供參考。
  12. By application investigation of mix subsystem in practice, special measure device was produced and substituted the widely used electromagnetic flow meters in order to solve the problem of original coagulant measurement existing in the chemical mixture. this device is simple in structure and apt for automatic control. using this method to realize automatic mixture of chemicals can decrease numbers of system instruments

    通過配液子系統在生產實踐中的應用研究，針對藥液自動配兌過程存在的混凝劑原液計量問題製作專用計量裝置取代普遍採用的電磁流量計，該裝置結構簡單、易於實現自動控制，採用這種方式實現自動配液減少了系統採用的儀器儀表數量。
  13. A new analytical design method of decoupling controller matrix is proposed in terms of the standard internal model control structure for two - input two - output processes with time delays that are often encountered in chemical and industrial practice

    摘要針對化工生產中常見的雙輸入輸出時滯過程，基於標準內模控制結構提出了一種解析設計解耦控制器矩陣的新方法。
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