質子電勢 的英文怎麼說

中文拼音 [zhízidiànshì]
質子電勢 英文
proton electric potential
  • 質 : Ⅰ名詞1 （性質; 本質） nature; character; essence 2 （質量） quality 3 （物質） matter; substance;...
  • 子 : 子Ⅰ名詞1 （兒子） son 2 （人的通稱） person 3 （古代特指有學問的男人） ancient title of respect f...
  • 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...
  • 勢 : 名詞1 （勢力） power; force; influence 2 （一切事物力量表現出來的趨向） momentum; tendency 3 （自...
  • 質子 : [物理學] proton; uron; hydrion; merron質子泵 proton pump; 質子層 proton sphere; 質子轟擊 proton b...
  1. It ’ s often used to cover the special target in special area or is used to make false attacking situation. these small light and cheap jamming devices always are thrown to the area near the target. they are manipulated or not to jam the foe ’ s military electronic device such as radar and radio etc. the device weighs about one kilogram and is as big as mauley

    分散式干擾是在無人機機載和氣球載干擾機等形式上發展起來的電子對抗設備，通常是為了掩護特定區域的目標或在某一地區內製造假的進攻態勢，將眾多體積小、質量輕、價格便宜的小型干擾源散布在接近被干擾目標的空域、地域上，自動地或受控地對選定的軍事電子設備進行干擾。
  2. Due to the hard core repulsion, the distribution function of electrons was compressed effectively. thus, we hope the new model has different properties from the standard bariev model with open boundary

    由於存在硬芯勢，電子在鏈上的分佈變得稀疏，開邊界的有芯模型具有不同於標準bariev模型的性質。
  3. The hetrojunction device fabricated with sige material has shown great advantages over bulk sample in many aspects : higher carrier mobility, larger transconductance, stronger drive capability and hence faster circuit speed

    與體si器件相比，採用sige材料的異質結器件已經在許多方面顯示出了強大的優勢:譬如更大的載流子遷移率，更大的跨導，更強的電流驅動能力以及更快的電路速度等等。
  4. Our products are characterized by high precision, low noise ， long service life and stable performance, which mainly cover auto bearing, mute motor bearing, deep - groove ball bearing, needle roller bearing. thrust ball bearing ， tapered roller bearing and nonstandard bearing

    產品以精度高、噪音低、壽命長、性能穩定為優勢；主要生產高品質汽車軸承、靜音電機軸承、深溝球軸承、滾針軸承、推力球軸承、圓錐滾子軸承及其他非標軸承。
  5. This study was conducted to examine the interrelationship of 10 seed vigor traits in 12 wheat genotypes through variance, co - variance and path coefficient analysis, to determine broad - sense heritability, and to estimate genetic advance under selection. the genotypes showed significant difference for all traits, except for percentage of normal seedling. genetic correlation between conversion efficiency of seed reserve, electrical conductivity with other traits were not significant, showed that selection for any of them might be possible without hampering any other traits. however path coefficient analysis indicated that conversion efficiency of seed reserve, seed reserve utilization ratio have strong direct effect in affecting seedling weight, and that mean germination time has significantly negatively correlated in affecting gi. moderate to high estimates of broad - sense heritability, genetic coefficient of variation and expected genetic advance were obtained for electrical conductivity, germination index, mean germination time, seed dry weigh, seedling dry weigh, seed reserve depletion ratio indicating the possibility for improving these traits

    本研究利用12個普通小麥品種對10個種子活力性狀的遺傳變異和相關研究，表明除正常幼苗百分率外，其餘種子活力性狀在品種間均存在顯著的差異.種子貯藏物質轉換效率、電導率兩個性狀間及與其它性狀均無顯著的遺傳相關，因此對他們的選擇不會影響到其它性狀.通徑分析表明幼苗干重主要取決于種子貯藏物質轉換效率、種子貯藏物質利用速率;發芽指數主要由平均發芽時間決定.電導率、發芽勢、幼苗干重、種子干重、發芽指數、種子貯藏物質消耗比率6個性狀表現中到高的遺傳力、遺傳變異系數和相對遺傳進展，指明通過遺傳育種手段改良這些性狀是可能的
  6. 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。
  7. In light of the limitation of fast fourier transform ( fft ) for the method of traditional spectrum analysis to analyze the unsteady signal, wavelet and wavelet analysis are made for the typical unsteady process signal of starting up and shut down with the good characteristic of simultaneous localization in both the time and the frequency domains based on the field test on the vibration of two - row placed units in lijiaxia hydropower station, in which the signal is decomposed into different frequency band, and then the weak signal is caught and the dominant frequency is picked up for the analysis of the vibration source

    摘要基於李家峽水電站雙排機組振動的現場試驗研究，並且針對傳統頻譜分析方法傅立葉變換（ fft ）對于非平穩信號已力不從心這一缺陷，利用小波分析方法在時域和頻域上同時具有良好的局部化性質，通過對開停機這一典型非平穩過程信號進行小波及小波包分析，將其分解到不同頻帶內，獲取微弱信息和提取優勢頻率，並對其作振源分析，得出開停機初始時刻因水流不穩均出現強烈的振動現象，且低頻段信號能量最大，開停機過程水流脈動壓力和尾水渦帶擺動是引起定子基礎振動的主要原因。
  8. In 2005, 61 physical and chemical parameters were measured and analysed in sediments. these included particle size, electrochemical potential as highly anoxic sediment with negative potential is related to organic pollution, chemical oxygen demand which indicates organic pollutants, total sulphide inorganic constituents, source of the unpleasant - smelling gas hydrogen sulphide, 15 metals and metalloids aluminium, arsenic, barium, boron, cadmium, chromium, copper, iron, lead, manganese, mercury, nickel, silver, vanadium and zinc, and trace toxic organics pahs and pcbs - 16 compounds and 18 congeners respectively

    2005年，沉積物監測包括分析61種物理及化學參數，其中有粒子大小電化學勢有機污染促使沉積物缺氧，而讓電化學勢呈負數值化學需氧量顯示有機污染程度總硫化物無機物，是造成難聞氣體硫化氫的主因15種金屬及準金屬鋁砷鋇硼鎘鉻銅鐵鉛錳汞鎳銀釩及鋅和痕量毒性有機物多環芳烴及多氯聯苯分別為16種復合物及18種同質物。
  9. ( 2 ) when the impurity in the center of the well, the binding energy of the impurity is decreased as the strength of applied electric field increased

    （ 2 ）當施主離子位於勢阱中心時，雜質的束縛能隨著電場強度的增大而減小。
  10. The calculation results show that the correlation between the multiplicity of intermediate mass fragments n ( subscript imf ) and total number of charged particles n ( subscript c ) is a sensitive observable for probing the isospin - dependent in - medium nucleon - nucleon cross section, but the isospin effects of symmetric potential on n ( subscript imf ) is not obvious in the chosen energy region

    計算結果表明在所選能區，中等質量碎片的多重性與帶電粒子總數之間的關聯是提取介質中核子核子碰撞截面的靈敏觀測量，而此時對稱勢的同位旋效應卻不明顯。
  11. Results showed : ( 1 ) cbt cell death in low tempratures is accompanied by characteristic changes, such as, reduced cell size, distorted nucleus, chromatin condensation and margination and cell ( cytoplasmic ) vacuolization ; cell mortality and ca2 * concentration increase along with time passed in low temperature. mitochondrial membrane potential and 02 increased at first, and then decreased. activities of sod decreased at first, followed by significant increasing and finally depressed

    結果表明： （ 1 ） cbt在低溫協迫下，細胞圓縮，細胞核變形，染色質濃縮且邊位，細胞質空泡狀；細胞死亡率隨處理時間的增加而增加；細胞內鈣離子濃度隨處理時間延長而遞增；線粒體膜電位差在低溫處理早期急速上升，隨后一直下降；細胞內超氧陰離子（ o _ 2 ~ - ）在低溫處理前期出現高峰，接著呈下降趨勢；細胞內sod活性在低溫處理前期減弱，接著上升，然後持續下降。
  12. In this thesis, three systems, namely, perfect and defect sno _ 2 ( 110 ) surfaces, ti and ru - doped surfaces and the adsorptions of small molecules on above perfect surfaces have been studied in details by using the first - principles method with the combination of pseudopotential plane - wave and atomic basis sets. the structural stability, surface states and the surface chemistry of undoped and metal doped sno _ 2 ( 110 ) surfaces have been discussed, which can provide the theoretical rules to improve the surface properties of this special functional material

    為了深入了解sno _ 2表面的電子結構本質及其化學反應性質，本論文採用贗勢平面波和原子軌道基組相結合的第一性原理方法，詳細考察了三種類型體系，即sno _ 2 （ 110 ）完整和缺陷表面、 ti和ru摻雜表面、以及典型小分子在上述完整表面的吸附，揭示了sno _ 2 （ 110 ）及其金屬摻雜表面的構型穩定性、表面態及其對表面化學反應性的影響，為該類型表面功能材料的改性提供理論依據。
  13. To avail ourselves to good use of the advantaged position, expansive resource, flexible information, competitive price perfect service, we have developed a long - term relationship with the electronic components manufacturer come from europe, japan usa, being as a dealer for integrate circuit, diodes, audions and different kinds of semiconductor accessories. the main brands of our products are : ess, sunplus, sony, sanyo, samsung, philips ect. widely ues in the cd, vcd, dvd, tv and the martial and the industry domain

    地處亞歐美的各種中心樞紐，進貨渠道廣闊，電子信息靈活產品價格源頭品種全供貨快捷等優勢，多年來與歐日美最優質的電子元件生產廠家建立一種長期良好的合作關系，代理代銷多種品牌的集成電路ic二三極體等各種半導體元件，香港英之傑電子公司電話：
  14. The isospin effect and k production in intermediate and high energy heavy ion collisions ( hics ) are hot topics in the nuclear physics. based on the isospin - dependent quantum molecular dyanmics ( iqmd ) model and self - consistent relativistic boltzmann - uehling - uhlenbeck ( rbuu ) model, we have studied them and obtained some interesting results. as for the study of isospin in intermediate energy hics, we ' ve investigated how both stength ( q ) and density dependence of symmetry potential ( sp ) affect many measurable observables, such as the yield, phase - space, and isospin distributions of fragments, as well as the correlations between intermediate - mass - fragment ( imf ) multiplicity n and charged - particle multiplicity n, light - charged - particle ( lcp ) multiplicity n, and neutron multiplicity n,

    在中能重離子碰撞的同位旋研究方面，分別研究了對稱勢的強度（ c _ s ）和其密度依賴形式對中能重離子核反應各類碎片產物產額、相空間、及其同位旋的分佈，中等質量碎片多重數（ n _ （ imf ） ）與帶電粒子多重數（ n _ c ） 、輕帶電粒子多重數（ n _ k ） 、中子多重數（ n _ n ）的關聯等多種實驗觀測量的影響，以獲取對稱勢中該兩方面的信息，尤其著重於研究如何分別獲取有關該兩方面的信息的途徑。
  15. Thus, it is believed that in subsequent high - temperature process, the base boron will outdiffuse very easily into emitter and collector, which will form a parasitic barrier for the electrons when moving from emitter into base and result in performance degradation of the device

    這樣在後續的高溫工藝中就會引起基區的雜質外擴到集電區和發射區，產生電子勢壘，導致器件性能的嚴重退化。
  16. Abstract : this paper describes the methods to form silver clusters in solid, liquid and gas phases ; the properties of clusters such as absorption bands, esr, redox potential, ea and ip, and their catalytic behaviours in photo - splitting water and photographic development processes

    文摘:本文綜述了在固相、液相和氣相中形成銀團簇的方法，銀團簇的主要性質如吸收光譜、 esr 、氧還電位、電子親和勢與電離能，以及銀團簇在光解水和照相顯影過程中的催化作用。
  17. Standard test method for active matter in anionic surfactants by potentiometric titration

    用電勢滴定法測定陰離子表面活性劑中活性物質含量的標準試驗方法
  18. In order to get some functional clues from their structures, the upstream regulation region of ndrgl gene and second structure of ndrg2 protein are performed bioinformatics analysis ; we found that there are several binding sequences of some diffirent transcription factors, their functions include regulating tissue - specific gene expression, regulating expression of genes related to growth and early development of cells, besides this, regulating expression of genes under some stimulated conditions, and so on. predict in protein fold classification shows that ndrg2 belongs to alpha / beta hydrolase fold family, and there are high similarity between ndrg2 and epoxide hydrolase from bacteria, this suggests that ndrg2 protein may has enzymatic functions associated with resisting the oxidative stress, maintaining the balance of cell redox potential, involving in the metabolism process of xenobiotics or intracellular toxic molecules

    研究發現呷基因的調控區存在多種轉錄因子結合位點，功能主要涉及組織特異性表達調控，細胞生長發育相關基因的表達調控，刺激反應基因的表達調控等； ndrgz蛋白在結構上屬于a小水解酶類折疊，折疊分類預測表明ndrg2與其中的的細菌環氧化物水解酶的二級結構極為相似，提示ndrgz蛋白具有一定酶活性，可能參與細胞抗氧化應激反應，維持細， an ） armtbffiofbfochmilsyn ） mdafblechmrbfobo4第四軍醫大學碩士學位論文胞內氧還電勢平衡，參與內外源有毒物質的代謝等。
  19. The effect of impurity on the electron wave function has calculated, it shows that for the perpendicular magnetic field and the strong bound potential of the quantum dot the effect of impurity on the electron wave function can be neglected

    我們計算了雜質對電子波函數的影響，結果表明對于強磁場下的強束縛勢量子點，雜質對于電子波函數的影響可以忽略。
  20. The numbers and amplitudes of both transimtted and reflected solitons from an incident soliton are given analytically for this case. if the interface of two kinds of dust grains is continuous, neglecting the reflection, the nonlinear dust - acoustic wave can be described by a kdv - type equation in the lowest order. the amplitudes, propagating velocities of these quasi - solitons for this case are also given analytically

    無論是分界面不連續變化還是連續變化，對于小的、但有限振幅的長波振動，電勢孤子從質量小的塵埃等離子體穿過分界面進入質量大的塵埃等離子體，電勢孤子的振幅將增大，速度將變快，反之，電勢孤子從由質量大的塵埃微粒組成的塵埃等離子體穿過分界面進入由質量小的塵埃微粒組成的塵埃等離子體，電勢孤子的振幅將減小，速度將減緩。
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