電變性反應 的英文怎麼說
中文拼音 [diànbiànxìngfǎnyīng]
電變性反應
英文
electrical reaction of degeneration- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 反 : Ⅰ名詞1 (方向相背) reverse side 2 (造反) rebellion 3 (指反革命、反動派) counterrevolutionari...
- 應 : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
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The effort of manganese removal was studied and the kinetics of manganese removal was tried to establish. the factors of dissolved oxygen concentration, fe2 + concentration, ph, p concentration and closing of the filter were studied to evaluate their effort for biological manganese removal, and the correlation of residual manganese and oxidation - reduction potential was also discussed. as the iron content of water was high, experiment results showed that the reaction was zero order, as the iron content of water was low, the reaction was first order. the time needed for the cultivation of biological manganese removal was 60 70 days. the filter operated at the filtration rate of 8 10m / h, silica sand of effective size 0. 95 1. 25mm filled the filter to a depth of 1200mm
試驗結果表明,成熟后濾砂表面濾膜的x射線衍射圖譜與mno _ x ? 5h _ 2o ( x = 1 . 86 )的x射線衍射圖譜一樣,濾膜成熟后的結構在進水物質不發生變化的情況下不發生變化;合適的碳磷比對生物除錳有明顯的促進作用,試驗條件下的投磷量不會對出水造成二次污染;生物除錳需要亞鐵的參與,亞鐵的存在除了能夠促進微生物分泌胞外酶並刺激其活性外,還通過鐵離子的變價傳遞電子,催化錳離子的氧化反應,從而促進對二價錳的降解。Corticofugal modulation of frequency tuning of inferior collicular neurons in big brown bat, eptesicus fuse us chinese science bulletin, 2000 in order to explore the possible mechanism of corticofugal modulation of excitatory frequency tuning curves ( eftcs ) of midbrain neurons, we examine the change of sharpness, frequency - intensity response area, minimum threshold of both eftcs and inhibitory frequency tuning curves ( iftcs ) of inferior coliicular neurons during corticofugal modulation using two - tone inhibition paradigm and micro - electrical stimulation technique
第二章大棕幅聽皮層對中腦下丘聽神經元頻率調諧曲線的調制科學通報, 2000用雙聲刺激的方法和電刺激技術,進一步研究了在激活聽皮層前後下丘聽神經元興奮性和抑制性頻率調諧曲線的銳度、頻率強度反應區域、最低閾值的協同變化Meanwhile, fundamental principles about electroless tin plating by reducing agent and disproportionation reaction were explained. function of every component in the bath was explained that complexing agent can effectively change the potential of copper and tin, and accelerate the beginning of replacement reaction favorably ; reducing agent can increase the rate of chemical reaction and has the effect of promoting reaction dynamics too ; antioxidant can effectively prevent sn2 + in the bath from being oxidated ; additive agent a can improve the stability of the bath ; additive agent b has such effects as refining and brightening for the tin deposits, and it enlarges the range of brightening section ; additive agent c used as leveling agent can not only make the depostis level off, but also improve the dispersive ability of the bath ; surface - active agent can solve bubble problem which gathered on the surface of the deposits, and improve the surface quality of the deposits and the bath stability
闡述了鍍液中各組分的作用:絡合劑能有效地改變銅、錫的電位,促使初期的置換反應順利進行;還原劑能加快化學反應速度,對反應動力學有積極的促進作用;抗氧化劑能有效地防止鍍液中sn ~ ( 2 + )的氧化;添加劑a能提高鍍液的穩定性,添加劑b對鍍層能有細化和光亮作用,擴大了鍍層光亮區的范圍;添加劑c作為平滑劑,不僅能增強鍍層表面的平整性,而且能提高鍍液的分散能力;表面活性劑較好地解決了化學鍍過程中汽泡在鍍件表面聚集的問題,提高了鍍層的表面質量和鍍液的穩定性。The degradation of the electrical characteristics in sic pn junctions irradiated by neutron is attributed to the recombination centers and the electric field effect on the thermal emission of traps within the depletion region. the relationship of the ideality factor to the applied voltage is theoretically studied
提出了中子輻照下sicpn結電特性退化的新的理論, pn結耗盡區中的輻照陷階在耗盡區電場的作用下熱發射效應得到加強,從而導致pn結正偏和反偏時的復合電流和產生電流的改變。. moreover, some samples appeared several active bands in the gel, which indicated the existence of different types of sod or multi - subunits of sod in these samples. the bacterial strain 276 is a gram - negative rod bacterium and there are more than 3 polar flagella, which observed after the gram ' s staining and flagellum staining
同時,利用非變性聚丙烯酰胺凝膠( page )電泳后的凝膠顯色反應,發現一些樣品出現了多條活性帶,這可能是因為在這些細菌提取物樣品中含有不同類型的sod分子,或是同一類型的sod含有多個亞基組成。The results showed that : ( 1 ) the models used by author and the analysis are useful and can be practiced. ( 2 ) after using isolation technology, the structure ' s period, earthquake response, base shear force and acceleration are all decreased markedly and the horizontal displacement focuses on isolation layer. ( 3 ) under frequent earthquake action, the shear force ratio between layers is close to 0. 35 ; in according with the provision in aseismic design code that the horizontal seismic reduction coefficient can choose 0. 53 and the upper building can be designed by decreasing one degree
計算模型分別採用三維空間模型及規范中建議的彈簧、質量模型,隔震層採用疊層橡膠隔震支座,運用大型結構有限元計算程序sap2000以及自主開發的nba結構程序計算隔震結構在多維地震動輸入下的動力非線性時程反應,同時研究了隔震結構在溫度變化的作用下,結構各桿件的內力變化,通過對變電建築物在傳統抗震作用下及隔震作用下的分析比較,得出一些有益的結論。The research results show that the radius of the gas channels and the electronic conductivity in carbon phase of the reaction layer, and the porosity of the gas diffusion layer are relatively less important
研究結果表明氣體擴散層孔隙率,反應層氣體通道的半徑以及碳相中電子傳導率等參數的變化對電極性能影響不大。Taking the vr step motor as example in the paper, systemic research is conducted about the principle of the subdividing drive, the non - linearity relationship between microstep and phase current, the method of velocity adjusting and the interrelated factors. the system is designed to realize the subdividing drive, velocity adjusting and position. especially, there are two innovations in this paper. one is the first introduction of pld device and isp technology to the design of phase sequencer, the other is the new measure and amend method of microstep
本文以三相反應式步進電機為實例,對細分驅動原理、細分驅動的非線性、變細分調速以及相關影響因素進行系統的研究;實現細分驅動器、調速控制、定位控制和軟硬介面的設計。在此基礎上,本文對細分驅動環形分配器的設計和微步距測量修正進行了創新;提出將pld器件和isp技術引入到細分驅動環形分配器的設計思想和錯位測量和逼近修正法。Abstract : a quantitative analysis for dynamic stability of a set of superconducting partial torus in a fusion reactor under a pulse current over a stationary current is given
文摘:對于聚變反應堆中超導載流磁體在穩態電流基礎上受到脈沖電流影響時的動力穩定性給出了定量分析方法。Semg signal is the sum of bioelectrical activities that recorded from the skin of working muscle by surface electrodes. the change in semg signal could reflect motor units activation patters and the status of muscle fatigue in some certain degree. because it was non - invasive and local sensitive, the technique of semg signal analysis had become very important method in examining and evaluating human muscle function
Semg信號是從肌肉表面引導和記錄到的肌肉活動時神經肌肉系統生物電變化的一維時間序列信號,由於其檢測具有非損傷性和良好的局部性以及semg信號的變化在一定的程度上能夠反映運動單位的活動模式和肌肉疲勞的狀態,因此應用semg信號分析技術檢測和評價肌肉疲勞以及進一步探討其生理機制具有重要的理論意義和實用價值。95zr is one of the fission products and main radioactivity liquid drainages of nuclear reactor
~ ( 95 ) zr是核電站反應堆的主要裂變產物之一,是壓水堆核電站的主要放射性液態排放物。A significant suppression of phase transitions and lattice changes during cycling is occurred for ti - doped materials, and a decrease of interface reaction activity between the cathode and electrolyte is also demonstrated for ti - doped cathodes. as a result, the capacity losses, which are originated from structural changes and interface reactions during cycling, decrease and thereby cycling life increases for ti - doped materials
摻欽后,電極材料的離子分佈形式發生變化,引起材料結構中的化學鍵產生變化,電極材料充放電過程中的結構相變得到有效抑制,結構變化相應減小,電極材料在高電位下的界面反應活性也減弱,從而減小了由結構變化和界面反應引起的容量損失,改善了電極材料的充放電循環性能。There is difference frequency measurement requirement for every part of pid regulating, difference between dynamic quality and static quality in response time and accuracy. according to these, it use the interrupt functions and high - speed counter of the simens s7 - 200 plc cpu226 basic unit and some peripheral circuit to measure frequency ; in software designed, the procedure frame of hydraulic - turbine governor and disperse process of parallel pid are analyzed, an improved pid algorithm is adopted to realize a pid regulation mode with variable structure and parameters ; the mechanical liquid - pressure system of the hydraulic - turbine governor is with electric - hydraulic converter unit of step motor. according to the drive character of five phase of response step motor, a variable frequency regulated voltage driver unit is designed in order to realize interface between plc and driver of step motor
本文利用s7 - 200plc自身的特點設計了頻率測量單元,根據pid調節各個環節的特點,以及調速器動態特性、靜態特性對頻率測量的實時性和精度要求的不同,利用s7 - 200plc基本單元中內置的高速計數器以及相應的外圍放大整形、分頻電路,實現了水輪發電機組頻率的測量;在軟體上,對微機調速器的整個程序框架、並聯pid的離散化過程進行了分析,選用改進的pid演算法實現了變參數、變結構的pid調節模式;調速器的機械液壓隨動系統具有步進電機電液轉換元件,採用五相反應式步進電機,根據其驅動特性設計了變頻調壓驅動器,實現plc與步進電機驅動器之間數字介面。It was at the beginning of 1934, while working on the emission of these positive electrons that we noticed a fundamental difference between that transmutation and all the others so far produced ; all the reactions of nuclear chemistry induced were instantaneous phenomena, explosions
到1934年初,我們在研究這些正電子排斥現象時才注意到,在蛻變和當時產生所有其他反應之間存在著一種根本性區別:所有被誘導的核化學反應都是瞬時現象,即爆炸現象。After we apply the design scheme of this paper to a three - phase asynchronous motor, the simulating experiment result indicates that the digital control system realizes the motor ' s stable running and fast response during the start - up and unexpected change in load ; moreover, it realizes the good dynamical performance
將本文的設計方案應用到一臺實驗用三相異步電動機上,模擬實驗結果表明本文所設計的基於tms320f240dsp晶元的數字控制系統能夠控制電機穩定運行,啟動及負載突變時反應迅速,被試電機動態性能良好。Finite difference time - domain method is used to calculate the reflection for these probes and absorbing boundary condition is used to deal with the singularity in the axis of the coaxial - line in the simulation. by comparing the reflection of different probes, the best probe has been selected according to sensitive requirement. the influence of parameters : such as thickness of protective film, length of protruding inner conductor of the coaxial - line probe to the measurement has been studied
通過時域有限差分法進行數值模擬分析,並採用吸收邊界處理同軸線軸心奇異點,計算出各種探頭測量相同溶液的反射系數,根據其測量的靈敏度,選出最優設計;並通過分析所選探頭的各種設計參數,如薄膜厚度、內導體伸出長度等的變化對測量結果的影響,找出該探頭各參數的最佳范圍,使其具有高度靈敏性,以適用於測量化學反應溶液的介電常數。Studying the heat - mass transfer and multi - spices electric - chemical reaction, a dynamic temperature model was deduced for molten - carbonate fuel cell stack. the thermal radiation, shift reaction, and the change of gas spices were considered in this model. establishing momentum equation, the paper has developed a 3d temperature and flow fields model for mcfc stack based on cfd technique
建立了熔融碳酸鹽燃料電池堆內部單體的暫態溫度模型,並考慮了電堆的輻射換熱、轉換反應、反應氣體組分變化對溫度場的影響;根據mcfc的微分控制方程組,考慮氣體組分的熱力學性質及動量變化的影響,利用數值分析方法求解熔融碳酸鹽燃料電池堆的三維流場與溫度場,分析了各作用因素對熔融碳酸鹽燃料電池堆溫度分佈的影響機制。Tem reveals that the complex possessed good dispersibility in the system and the status varied reversibility with the ph value and the size of the complex is within 20 ~ 40nm. the complex was characterized by ft - ir, uv - vis, fluoresence and electrical conductivity methods. paa - ag nanospheres were also synthesized by coordination of polyacrylic acid and silver ( i ) ion and queued in line in lr
本論文還以低分子量的聚丙烯酸和硝酸銀為主要原料,通過控制體系的ph值合成響應環境ph值變化的聚丙烯酸銀納米微球和納米柱狀物,通過tem觀察尺寸達20 - 40nm ,用ir 、 uv - vis 、熒光、電導率法分析聚丙烯酸和銀的配位作用、所形成配合物的組成與結構,並將聚丙烯酸和硝酸銀置於「線性反應器」中進行配位聚合,合成出線性排列的paa - ag納米微球。It was found that in the simulated physiological solution, the hydrogen bindings between some amido groups in the mp - 11 molecules are decomposed and the mp - 11 dimers become monomers. it induces the increase in the contents of the a - helical and ( 3 - turn conformation, the decrease in the content of the random coil conformation of mp - 11 as well as the increase in the exposure extent of the heme group. therefore, the reversibility of the electrochemical reaction and the electrocatalytic activity of mp - 11 for h2o2 reduction increase comparing the situation in the aqueous solution
發現在模擬生理條件下, mp - 11分子的多肽鏈上一些酰氨基的氫鍵發生了解離,使部分雙聚的mp - 11分子變成單體分子, mp - 11分子二級結構中-螺旋和-轉角結構的含量增加,無規捲曲結構含量降低,導致了mp - 11分子中血紅素的暴露程度變大,因此mp - 11電化學反應的可逆性和對h _ 2o _ 2還原的電催化活性比在水溶液中有所增加。Metachromasia, electrophoresis, and gel chromatography have shown that the charge of mps and its chain length remain unchanged
利用藥物的變色反應性,電泳和凝膠色譜法顯示mps (多磺酸粘多糖)的電荷及其鏈長沒有改變。分享友人