逆反性 的英文怎麼說
中文拼音 [nìfǎnxìng]
逆反性
英文
retroaction-
Performance and usage : the main ingredient of the calces desiccant is calces, the capacity of moistuer absorption can be realized by chemical reaction, so the moisture absorption has no reversibility
生石灰乾燥劑的主要成分為氧化鈣,其吸水能力是通過化學反應來實現的,因此吸水具有不可逆性。The principle is based on the reversibility of a photochemical reaction accompanied by a change of coloration.
其原理是根據光化反應的可逆性伴隨的染色變化。In this paper, a kind of output current feed - forward circuit is added into the input of the current loop. by adding this compensatory circuit, the output character of the inverter is improved greatly
本文還研究了一種提高逆變器輸出電壓外特性的思路,通過將負載電流正反饋給逆變器的電流環輸入端,從而達到提高輸出電壓的外特性的目的。This paper has studied the development of setting & model of the overthrust, which is distributed over the plane & section, and its belting character in the northern margin region of chaidamu basin, and described the character of the main overthrust sheet belt and lower strain area in great details. moreover, it has pointed out a best target for oil / gas exploration on the imbricate fan belt and hidden overthrust forward belt through surveying the developing evolution model and its formation mechanism of the overthrust in the field and structure inversion indoor 6figs., 8refs
研究了柴北緣地區逆沖推覆構造的發育背景、發育模式,平面、剖面展布特徵及其分帶性,並對主幹逆沖斷裂帶及其間的推覆體帶、逆沖席帶和低應變區的特徵進行了詳細描述,同時通過野外觀察和室內構造反演來研究推覆構造的發展演變模式及其形成機理,指出其逆沖疊瓦扇帶和隱伏逆沖前緣帶是最有利的油氣勘探目標.圖6 ,參8For uncovering the effects of reversible phospharylation on the structure and function of psii reaction centre, we purified a protein phosphatase associated membrane from the thykaloid membrane of ipomoea aquatica chloroplasts. in our experiments we studied the enzymology and spect rum characters of the purified phosphatase. in our lab, one kind of protein phosphatase associated thylakoid membrane of pomoea aquatica has been isolated
迄今人們對類囊體蛋白磷酸酯酶的研究較少,為了研究可逆磷酸化對psii反應中心結構與功能的影響,本文以蕹菜為材料,從葉綠體類囊體膜中分離純化到一種膜結合蛋白磷酸酯酶,進行了酶學性質和光譜性質的研究。The modulating signals of firing delay angle at the rectifier and firing lead angle at the inverter, and the excitation voltage are chosen to be control variables. the offset of the current of dc line and the extinction angle and the power angle of generator are chosen to be control outputs. then a nonlinear controller is designed for the system under study according to direct feedback linearization theory
以整流側觸發延遲角的調節信號、逆變側觸發超前角的調節信號以及發電機勵磁電壓作為控制變量,以直流線路電流、逆變側關斷角以及發電機功角的偏移量作為目標輸出,用直接反饋線性化方法設計了系統的非線性控制器。Detection of plasmodium falciparum by using reverse transcriptase - polymerase chain reaction
逆轉錄聚合酶鏈反應檢測惡性瘧原蟲的應用研究Simulation and simulacrum is the two basic concepts that describes and reveals the essence and the characteristics of baudrillard ' s philosophy of technology, such as the side effects and irreversibility of technology in modern society
他從技術模擬和虛像的角度,對技術哲學的深層次的問題進行了反思:如關于現代技術的副作用,技術發明和發展的不可逆性等技術哲學的思想。As a result, the weizhou - shigouyi detachment structure is bounded on the east and west by faults and occurs as a synclinorium comprising exotic sheeted rocks with simple deformation
它在地震剖面上表現為:滑脫面以上的多層平行反射、不出現逆沖推覆前緣帶復雜變形造成的雜亂反射;平面上形成與周鄰明顯的構造不協調性。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。The low solubility of calcium zincate produced from the chemical reaction of zinc oxide and calcium hydroxide in alkaline solution can improve the cycling life the zinc electrode, and the discharge capacity will tend to be stable. furthermore, the effects of la2o3 additives on the electrochemical performances of zinc electrodes were investigated. the results shows that the addition of la2o3, in zinc electrode can improve the area of reduction peak and the hydrogen evolution potential which means the cathodic hydrogen evolution reaction can be hindered
氧化鋅與氫氧化鈣在堿性溶液中化學反應生成的難溶於堿的鋅酸鈣可以使鋅電極的循環壽命得到提高,放電容量也趨于平穩,此外還考察了氧化鑭對鋅酸鈣電極電化學性能的影響,結果表明:添加適量氧化鑭能明顯改善鋅電極的電化學性能,使鋅電極的還原峰電位正移,電極反應可逆性得到改善,同時也可抑制鋅電極析氫反應的發生,提高了鋅電極的陽極電流,對陽極反應有一定的活化作用;同時還可以改善鋅電極的放電特性,增加電極的放電容量。First, it analyzes the working principle and some features of the system, such as the circulating current characteristics, power distribution characteristics, and characteristics about closed loop regulation of voltage. then it goes on to the study of some typical control methods, and designs on this basis, a parallel controller using a synchronization control strategy of racing to merging and a load - sharing strategy combined with feedback control and drooped control
文中,首先通過建立系統的數學模型,分析了逆變電源並聯運行的工作原理以及並聯系統的一些主要特性,包括它的環流特性、功率特性和電壓閉環調節特性;在此基礎上,又研究了幾種典型的並聯運行控制方式;然後,採用搶占與並發相結合的同步控制方式和反饋與下垂特性相結合的負載均分控制設計了並聯控制器。The spectral analysis of non - orthogonal functions cannot be obtained by orthogonal integration method. only the spectral analysis of some particular non - orthogonal functions can be realized by integral transformation. thus, the concept of reflection matrix is proposed and the mirror symmetry of spectral analysis for non - orthogonal function is revealed. any element functions whose reflection matrix can be obtained possesses its inverse element function. the spectral vector corresponding to an element function possesses its inverse spectral vector corresponding to the inverse element function. by reflection matrix the mapping relation of element function pair and spectral vector pair can be established. spectral analysis of non - orthogonal functions can be obtained with this symmetry by using the integration method as in the case of orthogonal functions, instead of calculating the inverse matrix as usual. so a convenient and practical method for spectral analysis of non - orthogonal functions is offered
非正交函數不能利用正交積分來實現譜分解.僅有某些特殊的非正交函數可以通過積分變換實現譜分解.本文提出了反射陣的概念,揭示了非正交函數譜分析的鏡像對稱性.任何能夠建立起反射陣的元函數存在著它的逆元函數,並且任何基於該元函數的譜向量同時也存在著基於逆元函數的逆譜向量.元函數對與譜向量對通過反射陣建立映射關系.利用這種對稱性,非正交函數可以象正交函數一樣使用積分方法獲得譜分解結果,而不必使用求解逆陣的方法,從而為非正交函數的譜分解提供了便捷、實用的方法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。First, in virtual of identification of flaws is a typical of in - verse problems, proceeding from time - harmonic electromagnetic maxwell ' s equa - tion and helmholtz equation, the uniqueness and existence of direct scattering problems including the numerical algorithms of diverse of boundary conditions is given. second, the uniqueness and existence of inverse scattering problems and the theory of ill - posed integral equation are briefly looked back upon. finally, indicator function method for boundary identification is set up under all kinds of boundary conditions for inverse scattering of homogenous and inhomogenous objects, meanwhile, the proof of possibility for near - field measurements and nu - merical simulation are given
由於缺陷的識別是一類典型的反問題,因而首先從時諧電磁maxwell方程和helmholz方程出發,具體地闡述了求解正散射問題的有關方法,包括各種(夾雜)邊界條件下的數值解法,就解的存在性唯一性給予了肯定的回答;隨后對逆散射問題的理論作了簡短的回顧,包括解的唯一性以及非線性不適定積分方程的處理等;然後對均勻介質和非均勻介質的逆散射問題建立了在各種邊界條件下的邊界識別的指示函數方法,鑒于近場數據獲得的重要性,對近場測試時邊界識別的方法給予了相應的證明,並且實現了數值模擬。The auxiliary modulating signals of the current controller at the rectifier and the extinction angle controller at the inverter, and the reference voltage of exciter are chosen to be control variables. then the all - state feedback linear optimal controller is designed
以直流系統整流側電流控制器的輔助調節信號、逆變側關斷角控制器的輔助調節信號以及勵磁系統參考電壓作為控制變量,設計了系統的全狀態反饋線性最優控制器。On the contrary, in - parallel actuated micromanipulators have the advantages of more rigidity and accuracy, higher load capacity, and simple inverse kinematics, therefore they can be used to replace conventional serial ones to meet the rising need for higher precision in this dissertation, position kinematics of a micromanipulator with serial - parallel structure is studied
相反,並聯機構具有運動鏈封閉、剛性好、無關節誤差累積、運動精度高,且運動學逆解求解非常簡單等優點,使得這類機構非常適合於用作微操作機器人機構,因而,研究基於並聯機構的微操作機器人系統具有現實的工程意義。This thesis puts the superficial phenomenon of his aesthetic psychology in order, then combines the poet ' s experience, contacts with friends, leading thought, etc., focusing on the formation of his aesthetic psychology of converse and convergence and tracking down his resume of writing
通過對賈島審美心理表現的系統梳理,並結合詩人的經歷遭際、師承交遊、主導思想等,以求對賈島創作個性的形成和創作道路的追蹤作更深層次的剖析,反溯造就其逆反和內斂審美心理的原因。Time-reversal invariance predicts equality of transition probabilities for a reaction and its inverse.
時間反演不變性預言,一個反應和它的逆反應,其躍遷幾率相等。The paradox and control of the budget management
預算管理的逆反性及其控制策略分享友人