逆指標 的英文怎麼說

中文拼音 [nìzhǐbiāo]
逆指標 英文
inverse index
  • 逆 : Ⅰ形容詞1 （方向相反） contrary; counter 2 [數學] inverse; converse Ⅱ動詞1 （抵觸; 不順從） go aga...
  • 指 : 指構詞成分。
  • 標 : Ⅰ名詞1 [書面語] （樹梢） treetop; the tip of a tree2 （枝節或表面） symptom; outside appearance; ...
  • 指標 : target; quota; norm; index; merit; subscript; index arm; indicatrix
  1. According to the research of physiological and biochemical indicators or index, components of soluble proteins, substrate protein of phosphorylation and the activity of protein kinase in low - temperature stress in the leaves of brassica oleracea l., we tried to find the law of the physiological and biochemical response of brassica oleracea l. leaf to low temperature. at the same time, discussion on the signal transduction can also provide further evidences for revealing the mechanism of low - temperature stress. the results are showed as follows : malondialdehyde ( mda ), superoxide dismutase ( sod ), ascorbate peroxidase ( asp ) and peroxidase ( pod ) activities were changed greatly after 0 ~ 30min ' s treating with low temperature

    本文以甘藍葉片為材料，通過對低溫5脅迫下甘藍生理生化指標、可溶性蛋白組分以及磷酸化底物蛋白、蛋白激酶活性的研究，以期找出甘藍葉片對低溫脅迫的生理生化響應規律，為甘藍露地越冬栽培防範寒害提供理論指導，同時對低溫脅迫下甘藍逆境信號傳導進行了探討，從而為徹底弄清低溫脅迫機理提供進一步的證據，研究的主要結果如下：丙二醛含量（ mda ） 、超氧化物歧化酶（ sod ） 、抗壞血酸過氧化物酶（ asp ）和過氧化物酶（ pod ）活性在低溫處理0 30min發生顯著變化，低溫處理3min后，甘藍葉片內mda含量基本沒有變化，處理5min時出現第一個峰值，達到對照的104 . 10 ， 10min出現低谷，僅為對照的86 . 27 ，隨后再次上升， 30min時超過第一峰值，為對照的113 . 93 。
  2. T active immunization could maintain its castration for a period, at the age of 11w, the development of combs and wattles were evidently slower in the immunized groups ( p < 0. 05 ), and the testes atrophied. meanwhile, both its serum t concentration and body weight were evidently lower than the untreated group. 2. the does of 0. 2mg / ml produced the best immunisation performance and promotion growth effecct, we could induce the dosage was the main factor in deciding the final effect, injection at w3 achieved the best result

    11周齡時，各免疫組雞體重、血漿睪酮含量顯著（ p 0 . 05 ）低於對照組，睪丸及冠垂發育受到抑制，明顯發生萎縮，其中以0 . 2mg / ml劑量， 3周齡免疫抑制作用最為明顯；此後隨著日齡的增長，免疫抑制作用逐漸下降，到15周齡時，免疫抑制作用明顯逆轉，機體的生長發育恢復正常，免疫各組與對照組相比測定指標無顯著性差異（ p 0 . 05 ） ；至19周齡，各免疫組睪丸和冠垂生長發育、體重、血漿睪酮含量都顯著（ p 0 . 05 ）高於對照組，其中以0 . 2mg / ml劑量組， 9周齡免疫促生長作用最為明顯。
  3. This paper selected two different species of wheatgrasses to research in order to find out the damage and the responses of plants at different stress, some physiological indexes were determined. these results would provide some information to geneticist and breeder who coud make better used of agropyron. the main results were described as follows : firstly, this paper pointed out that effect of peg ( polyethylene glycols ) on some indexes of wheatgrass seedlings

    主要通過測定兩種冰草植株在不同濃度脅迫下的一些生理指標，了解不同脅迫對植物造成的傷害以及植物對脅迫的反應，為完善植物抗逆機理提供理論依據，並比較兩種冰草抗逆性，為內蒙古地區抗逆性強的沙生植物的篩選提供理論依據。
  4. The indicators suggested that the risk of another residential property bubble continued to be low for the time being. however, the increase in confirmor transactions pointed to a rise in the speculative demand for housing, and easy monetary conditions and their subsequent reversal might lead to sharp fluctuations in asset prices

    有關指標顯示，現時住宅樓市形成另一泡沫的風險仍較低，但確認人交易增加反映住屋的投機性需求上升，現時貨幣狀況寬松，但其後情況若逆轉，可能導致資產價格大幅波動。
  5. The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault ， researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system ， a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows ： this paper compared some existing methods in excitation control ， fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 ， indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which ， discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations ， made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations ， which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations ， there were several very important parameters of power system - - rotor angle ( ) ， rotor speed ( ) ， generator q axis voltage ( eq ) ， transient voltage ( e ' q ) ， active power ( pe ) ， mechanical input power ( pm ) ， valve opening ( ) ， generator terminal voltage ( vt ) ， based on the model ， nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault ， which achieved better postfault regulation compared with another two routine methods ， one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either

    在介紹逆系統理論的基礎上，詳細介紹了dfl理論，通過比較闡明了dfl理論其本質是逆系統方法的一類，並結合具體課題推導出的模型方程將dfl理論進行了擴展，使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程，此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ，在此基礎上建立了實用的電力系統簡化的數學模型，並將擴展的dfl理論應用於此模型系統，結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器，通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門（考慮發電機的飽和因素）進行了對比，證實了採用此種控制器可以有效地提高電力系統的暫態穩定性，並且在電力系統遭受小干擾時同樣具有良好的調節性能。
  6. This paper put forward a method of using amending sine value in the spwm sine table. this method can correct the distortion of the output voltage waveform, which resulted from the dead time used to the voltage type whole bridge main circuit. the inverter system adopts digital fuzzy controller with feed forward correction and which proportion coefficient and integral coefficient is changeable, so dynamic response is improved

    本文提出了一種採用修補spwm正弦表值的方法，用以改善電壓型全橋逆變主電路因上下橋的功率器件切換時先關斷后導通的死區時間而引起的輸出電壓波形畸變；逆變系統採用帶前饋校正的變比例變積分系數的模糊控制器，提高了系統的動態響應指標；系統設計了完善的保護措施，並具有市電電網的故障診斷功能。
  7. So the only way for agricultural development is structural adjustment. under the theory of structure economy growing, the theory duality economy structure and the law of the industry structure evolution mainly, this paper, firstly, analyzes the characteristics of evolution and current situation of hubei province ' s agricultural industry structure including the evolving better, singleness, facing crisis, by stage, lack of power, crop ' s development setting back the evolution, asymmetry - structure between the production value and output, the similar structure with the whole nation and the peripheral provinces, and so on

    本研究在結構主義經濟增長理論、產業結構演進規律和二元經濟結構論等經濟學理論的基礎上，首先通過產值比重結構對比、產業結構變動度、產業結構波動度、產業結構相似度和偏離系數等指標和方法，從多方面分析了改革開放以來湖北省農業產業結構演進與現狀特徵：農業產業結構逐步優化，但結構單一，面臨危機；農業產業結構呈階段性演進；農業產業結構演進缺乏動力；種植業成為湖北省農業產業結構優化障礙；農業產值與產量結構不對稱，出現逆向變化；農業產業結構與周邊省份趨同等。
  8. This paper mainly describes the small signal model and properties of the dc / dc converter, the optimum control model of the dc / ac inverter and analyses the stability and dynamic characteristics of the system. the experimental results show that the static inverter achieves high performance target

    本文主要對6kva電源變換器系統進行了分析，包括前級dc dc變換器的小信號特性，后級dc ac逆變器的最優控制模型，分析了系統的穩定性和動態性能，模擬和實驗表明該電源變換器具有高的性能指標。
  9. The thermal - wet comfort proprties of textiles under the conditions that the environment temperature is higher than that of human body ( called “ reverse temperature field ” ) are examined in this paper. four quanties ( i. e. equivalent thermal resistance, thermal resistance, resistance to water vapour transmission and air permeability ) were suggested as the physical indexes of thermal - wet comfort properties of textiles under this condition. their special meanings under this condition were explained also. the colthing microclimate testing meter was used to determine the indexes of seven different kinds of textiles. the statistical analysis was applied to analyse the relationship between these indexes and the results from wearing - clothing test. some elementary results were obtained

    研究了在環境溫度高於人體體表溫度（稱逆溫差）條件下，服裝用織物的熱濕舒適性能，提出使用當量熱阻、熱阻、濕阻及透氣率作為在此條件下織物的熱濕舒適性物理指標，指出了在此條件下其特殊含義.並且用織物微氣候儀測試了此條件下7種織物的熱濕舒適性指標，與對比穿著試驗的結果進行了分析，得出了一些初步規律
  10. 3 the resu1ts shot ', ed that fish biie could concentra1e parent pah, and the pah " concentration correla1ed to the pah " pollution levels in seawatef, thus, it could be used as a biomarker to indicate pah " pol1ution leve1s in seawater

    在實驗條件下，魚肝臟的生化指標變化與mh污染強度之間具有可逆性：可聯合作為水體日污染程度的早期預警指標和生物標志物。
  11. In the experiment, we used one kind of lipoxygenase genes ( rci - 1 ) as an index of stress resistance

    本實驗將水稻脂氧合酶基因（ rci - 1 ）作為衡量水稻抗逆性的一個指標。
  12. Abstract : a design method of a multi - variable inferential controller based on anew performance index is proposed. the inferential controller uses a v type control structure to avoid inverse transformation of rectangle arriving. this multi - variable inferential control system has the characteristic of simple calculation and only an adjustable parameter q array. this control system output gets the performance of dynamic decoupling of the mutivarable system

    文摘:在一種新的性能指標下，提出了一種多變量推理控制器的設計方法，該控制器採用的v規范型控制器結構避免了傳遞函數矩陣求逆問題.該類多變量推理控制系統的特點是演算法簡單、僅具有一個可調參數矩陣q ，該系統實現了多變量系統的動態接耦
  13. In order to provide a basic and effective practical engineering tool for handling quality planning, analysing and evaluating, which is needed hi helicopter prototype development, this research work is launched on the fundation of comprehending the new aeronautical standard of united states army - ads - 33, and has obtained the achievements as following : ( 1 ) performance definition of pcs according to the criteria requirements for an explicit helicopter, beginning at analysis of its missions. ( 2 ) establishment of a helicopter attitude controller, which can meet the criteria requirements, by using the technology of adaptive neural network model - inverse control ; implementation of two response types ( rts ) and two control modes ; evaluation of quantitative parameters according to the ads - 33. ( 3 ) establishment of a helicopter trajectory contoller based on the attitude controller ; simulations of mission task elements ( mtes ) and evaluation of handling quality

    為了給型號研製中飛行品質的規劃、分析和評價提供基本的、有效的工程實用工具，本課題在充分消化理解美軍新航標ads - 33的基礎上，作了以下工作： （ 1 ）針對具體直升機，從任務分析入手，根據規范要求確定對飛控系統的要求； （ 2 ）應用自適應神經網路模型逆控制技術，構造了能夠滿足飛行品質要求的直升機姿態控制器，實現了兩種響應型式、兩種控制模式，並根據ads - 33進行了定量指標評估； （ 3 ）在姿態控制器的基礎上，構造了軌跡跟蹤器，進行了任務科目基元模擬和飛行品質評估。
  14. Based on the test data, the result is : the inverter power source has good technology index in every items and has good synthetical quality, has obvious work effect in improveing the ozone output and reducing the power consumption

    通過測量的具體的試驗數據分析比較，結果表明該逆變電源各項技術指標及綜合性能很好，對提高臭氧的產率，降低功耗具有明顯工作效果。
  15. Solving the inverse problem for the zagreb index and hosoya index is the main topic of this thesis

    本文研究了zagreb指標和hosoya指標的逆問題。
  16. For this reason, the paper is aimed at the electro - hydraulic servo - system nonlinear problem, and proposes the feedback linearity means ( that is the inverse system method ) against the system mode systematically to transform such nonlinearity into the pseudo linear system. the system mode not merely continues to have system message completely feedback the linearity means, but also achieves the great limit linearization of controlled device, for designing the controller to advance system dynamic characteristic and performance index and supply the ideal terrace in the interest of the application linearity control theory

    為此，本文針對該非線性問題，提出了逆系統狀態反饋線性化方法，將其非線性系統轉化成偽線性系統，不僅完全保留了系統的信息，而且還實現了被控對象的大范圍線性化，為應用線性控制理論去設計控制器為提高系統的動態特性和性能指標提供了理想的平臺。
  17. Through the empirical analysis, on one hand, we find there is no regression relation between p / e ( market price to earnings ratio ) and market return ratio, so the lower p / e cannot guide investors, on the other hand, we find there is negative regression relation between p / bv ( market price to book value ratio ) and market return ratio, so we conclude that the lower p / bv is significant for investors

    在分析中國證券市場上投資心理狀況的前提下，對滬深兩市上市公司相關指標進行研究和實證分析，發現在中國證券市場上，市盈率與投資收益率之間不存在線性相關性；而市凈率與投資收益率之間存在負相關關系，以低市凈率作為逆向投資策略的選股方法能夠有效地指導投資者。
  18. In chapter 4, we present a method of neural network inverse dynamic control under the mutli - step predictive index function. the direct multi - step predictive approach and the recursive multi - step predictive method are adopted

    第四章：提出對被控對象進行直接多步預測，利用多步預測性能指標函數對系統實現基於神經網路的逆控制。
  19. In the fourth chapter, a bank - enterprises credit model has been set up to analyze credit rationing in indirect financing risk, which helps to find proper measures lessening the information asymmetry and moral risk in credit. lastly the author puts forward several suggestions for the controllment of medium and small - size enterprises " financing risk. the sticking - point of this paper is to review the dynamic game played between bank and medium and small - size enterprises providing some advice in detail to depress the moral risk and converse choice in the financing process of medium and small - size enterprises

    其中，第三章探索了中國中小企業融資過程中存在的各類風險動因、特徵和效應；建立綜合評價中小企業融資風險的指標體系；第四章則針對間接融資渠道對于企業的重要程度，建立銀行和企業借貸模型，定量分析導致間接融資風險中「惜貸」風險的因素? ?信貸配給，並進一步從理論上尋求降低銀行和企業間信息不對稱、防範資金信貸中的道德風險和逆向選擇的方法。
  20. Physiological and biochemical characteristics of plum resistance to adverse circumstances and their correlation

    李抗逆性生理生化指標及其相關性的研究
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