飽和速率 的英文怎麼說

中文拼音 [bǎohésùlǜ]
飽和速率 英文
saturation rate
  • 飽 : Ⅰ形容詞1 （吃足） have eaten one s fill; be full 2 （充實; 飽滿） full; plump Ⅱ副詞（充足; 充分）...
  • 和 : 和動詞（在粉狀物中加液體攪拌或揉弄使有黏性） mix （powder） with water, etc. : 和點兒灰泥 prepare some plaster
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 飽和 : （在一定溫度壓力下, 溶液可含溶質的量達到最大限度, 不能再溶解, 泛指事物達到最高限度） saturation; saturated
  • 速率 : speed; rate; tempo
  1. In this thesis, the development of emulsion polymerization theory and related new technologies are comprehensively reviewed, and the synthetic technologies of acrylate latex modified by organosilicon both at home and abroad are also reviewed. based on the current development and research in this field, attentions of this study are focused on three ways for preparing novel acrylate latexes modified by organosilicons, that is, 1 ) the acrylate monomers are copolymerized with unsaturated silicons by emulsion copolymerization ; 2 ) a new latex with microphase separation morphology is synthesized, which shows a core - shell structure character ; 3 ) soap - free polymerization is explored for preparing a higher - performance latex using an unsaturated silicon monomer, different acrylates and a reactive emulsifier. by using techniques of delaying addition of organosilicon monomer and a hydrolysis inhibitor, the hydrolysis and condensation of 3 - ( trimethoxysilyl ) propyl methacrylate during polymerization can be effectively prevented, as a result, organosilicon content in the macromolecular chain is increased

    同時採用有機硅單體延遲滴加及添加水解抑制劑等技術，有效防止了-甲基丙烯酰氧基丙基三甲氧基硅烷在乳液聚合過程中的過渡水解及縮合反應，提高了聚合物大分子鏈中有機硅鏈節的含量；利用紅外光譜與差示掃描量熱儀對產物分子結構進行了表徵，並通過對共聚產物力學和吸水率的測試，證實了本研究所制備的有機硅改性丙烯酸酯共聚物具有比純丙烯酸酯聚合物更優良的力學及耐水性能；從分子設計角度出發，利用醇解反應合成出水解、縮合反應速率較慢的兩種新型不飽和有機硅單體： ?甲基丙烯酰氧基丙基三乙氧基硅烷和?甲基丙烯酰氧基丙基三異丙氧基硅烷；利用核磁共振對新型硅烷單體結構進行了證實；研究表明利用新型硅烷單體可以制備出高硅烷含量的有機硅改性丙烯酸酯乳液，且其聚合產物具有較高的力學及耐水性能。
  2. Changes of the longitudinal and transversal wave velocities in different directions and the rock velocity anisotropy as a function of confining pressure have been studied under laboratory ultrasonic frequency for shale and sandstone with marked foliation, which had been saturated by the fluids with different viscosity kerosene and vacuum pump oil and salinity distilled water, 50000

    利用不同黏度煤油和真空泵油不同礦化度蒸餾水50mg l和150mg l的nacl溶液的流體對頁巖和具有明顯層理的砂巖進行飽和，在實驗室超聲頻率下研究樣品不同方向縱橫波速度以及各向異性參數
  3. The following results were found, i. e., the water ratio affects obviously the acoustic wave velocity of rock sample ; the wave velocity is higher in saturated rock samples than in unsaturated ones ; and it decreases gradually with the strain of samples during uniaxial compression ; and also with the lengthening holding time at 160 ; when heating the samples the acoustic wave velocity increases slightly in initial stage and comes to the peak value at 60, then decreases gradually with increasing temperature ; meantime, there is a certain temperature effect on rock samples size

    實驗發現含水率對波速影響比較大，飽和巖樣的聲波傳播速度高於不飽和巖樣的聲波傳播速度；人工預制裂紋對聲波傳播速度影響不大；單軸壓縮條件下，聲波傳播速度隨應變增加逐漸降低；在同一溫度（ 160 ）下，波速隨保溫時間的增加而逐漸降低；在對巖樣逐漸加熱情況下，初始加熱階段波速略有升高，當溫度達到60時，巖樣波速達到峰值，之後隨著溫度繼續升高其波速逐漸下降；波速隨溫度變化具有一定的尺寸效應。
  4. The special species s. platensis in inner mongolia has the highest value of the content of pigments, the biggest net photosynthetic rate, the highest lightcom - pensation and lightsaturation. has the lowest value of the respiration ( 24 )

    內蒙古特有的鈍頂螺旋藻s1的光合色素含量、最大凈光合速率、光補償點、光飽和點都最高，呼吸速率最低（ 24 ） 。
  5. Characterized by wide band gap, high breakage electric field, high thermal conductivity, high saturated electron mobility, cubic silicon carbide ( 3c - sic ), considered as one of the most promising wide band gap semiconductors, is widely utilized in high temperature, high frequency and large power semiconductor devices

    3c - sic被譽為最有潛力的寬禁帶半導體材料，具有帶隙寬、臨界擊穿電場高、熱導率高、飽和電子漂移速度大等優點，是高溫、高頻、高功率半導體器件的首選材料。
  6. The light saturation points, compensation points and dark respiration rates of t. media cv. hicksii seedlings go down while the contents of chlorophyll and the ratios of chlorophyll a and b increase along with the weakening of light intensity of the growing environment, but their co2 compensation points and photorespiration rates go up

    遮蔭使曼地亞紅豆杉幼苗光飽和點、光補償點及暗呼吸速率降低，但光呼吸速率和co _ 2補償點升高，葉綠素含量增大而葉綠素a b減小。
  7. As the cumulative yield reaches 70 % for daqing decanted oil or 25 % for liaohe feed, the content of aromatics exceeds that of saturates and goes up rapidly while the saturates drop down by the same level

    大慶、遼河油漿分別在累積萃取收率達70 %和25 %后，窄餾分中的芳香分含量超過飽和分且迅速增加，而飽和分含量相應下降。
  8. Under the different freezing - thawing cycle circumstance, three factors of water binder ratio, air content and mineral admixture are analyzed by using the method of orthogonal table. the test results show that the chief influencing factor is the water binder ratio in water freezing - thawing cycle circumstance, and in salt freezing - thawing cycle circumstance is the air content. this could illustrate that entraining air into concrete can improve the frost resistance of concrete effectively in salt freezing - thawing cycle

    分析了在純水和3 . 5 % nacl溶液中受凍后，水膠比、含氣量和摻合料對混凝土飽和系數及變化速率的影響規律，試驗結果表明水膠比對混凝土水凍時的飽和系數及變化速率影響顯著，而鹽凍情況下含氣量則是主要影響因素，說明引氣能顯著提高混凝土的抗鹽凍性能。
  9. Comparing with full light treatment ( control ), tr, gs, wue and light saturation point were significantly decreased, ci was increased by shading. so far as curve of light response, seedlings of 2 tree species represented higher photosynthetic capability under shading treatments in the ranges of low light

    和對照的全光照處理相比，遮蔭處理顯著地降低了多脈青岡和金葉含笑的蒸騰速率、氣孔導度、水分利用率和光飽和點，細胞間隙co _ 2濃度在遮蔭條件下顯著上升。
  10. 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。
  11. Under the premise of ensuring the pump ' s normal performance, and its non - overload characteristics and aimed at lowering the maximum brake horsepower, the author also analysis the problem resulted from the saturation brake horsepower of the low specific speed sewage pumps and the solution to it. 3

    推導了排污泵飽和軸功率特性產生的理論條件，導出了無過載排污泵設計的基本方程，在保證泵性能要求的前提下，同時實現無過載要求，討論了低比速排污泵設計中存在的問題及解決的途徑。
  12. Silicon carbide is becoming the most promising semiconductor material for high temperature, high frequency and high power devices because of its superior properties such as wide band gap, high breakdown field, high electronics saturation drift velocity, and high thermal conductivity

    Sic材料由於具有寬禁帶、高臨界擊穿電場、高飽和電子漂移速度、較大的熱導率等優良特性，因此成為製作高溫、高頻、大功率器件的理想半導體材料。
  13. Featured by wide band gap, high breakage electric field, high electron mobility, low dielectric constant, strong irradiation proof and excellent chemical stability, silicon carbide ( sic ), viewed as one of the most promising wide band gap semiconductors, is widely utilized in optoelectronic devices, high frequency and large power, high temperature electronic devices

    被譽為最有潛力的寬禁帶半導體材料一sic ，因其具有禁帶寬度大、擊穿電場高、熱導率大、電子飽和漂移速度高、介電常數小、抗輻射能力強、良好的化學穩定性等優異的特性，被廣泛地應用於光電器件、高頻大功率、高溫電子器件。
  14. As the only one among nearly 200 polytypes of different crystalline sic, which has a cubic crystalline structure, p - sic is an excellent candidate for fabrication of high power devices because of its high values of saturated electron drift velocity and electron mobility in comparison with the other sic polytypes

    碳化硅是碳化硅近200種不同結晶形態中唯一的純立方結構晶體，載流子遷移率高，電子飽和漂移速度大，更適合於製造電子器件特別是電力電子器件之用。
  15. Even if the fault spread from external fault zone to internal fault zone, the differential protection can avoid misoperation. main criterion of protection is composite - percentage current differential algorithm according to every sampled value, which can accelerate the protection ' s trip, reduce large amounts of calculation and have strong stability to ta saturation

    本文採用基於采樣值的比率制動式電流差動保護演算法作為保護的主判據，可以明顯提高保護動作速度和減少計算量；具有較強的抗ta飽和能力，在區內故障時無制動，區外故障時有極強的制動特性。
  16. Main content in simulation is the spatio - temporal evolution of the set of descriptive variables characterizing tectonic mineralization state under coupling of various processes as following : ( 1 ) variables related to forming and property of ore - forming fluid, such as dissolution rate of minerals ( include metal minerals ) in rock, concentration and saturation of aqueous species in fluid, temperature, pressure, and ionic strength etc. ; ( 2 ) variables related to structural deformation and fluid flow, such as stress, deformation rate, fracture network, porosity, fracture permeability ; ( 3 ) variables related to precipitation and mineralization, such as nucleation rate of gangue and metal minerals, accumulation precipitation of various minerals, etc. ; ( 4 ) spatio - temporal coupling relation of various variables above, such as the coupling relationship between spatio - temporal evolution of fracture permeability and flow and focus of fluid and ore - forming

    模擬的主要內容是在各種過程耦合作用下，以下描述構造成礦體系的主要變量的時空演化：與成礦流體的形成和性質有關的變量，如地層中礦物（包括成礦物質）的溶解速率、流體中各組分的濃度與飽和度、流體溫度、壓力、離子強度等；與構造變形和流體運移有關的各變量，如應力與變形速率、巖石孔隙度、構造（斷裂）滲透率等；與沉澱成礦有關的變量，如礦物（金屬礦物和脈石礦物）的成核速率、各礦物的沉澱量等；上述各有關變量間的時空耦合關系，如斷裂滲透率時空演化與流體流動、匯聚和成礦的耦合關系等。
  17. There are five parts are as follows : in part one, the concept of switching function is introduced first to establish the nonlinear mathematical model of the induction motor variable frequency speed adjustment system which is fed by a sine pulse width modulated ( spwm ) inverter and takes the effect of the main magnetic circuit saturation into consideration, then the low frequency oscillation of the system is simulated according to the model. next, from the view point of energy conversion of the inverter - induction system, a criterion for the low frequency oscillation is proposed to determine whether the system is in low frequency oscillation which is judged by whether the interval of the negative current component of the inverter input current is more than 1 / fc ( fc is the carrier wave frequency of the inverter ) or not

    首先引入開關函數概念，建立了正弦脈寬調制（ spwm ）逆變器供電異步電動機，考慮主磁路飽和時的變頻調速系統整體數學模型，模擬系統的低頻振蕩；其次從逆變器-異步電動機系統能量轉換角度出發，提出通過檢測逆變器輸入電流中負電流的間隔時間是否大於1 / f _ c （ f _ c為逆變器載波頻率）來判定系統是否出現低頻振蕩；最後的實驗結果驗證了系統低頻振蕩建模和判據的實用性和正確性。
  18. Then the nonlinear reverse saturable absorption measurements of composite materials were performed with a frequency - doubled q switched nd : yag laser with 8ns laser pulse at 532nm. the factors that affect the performance of reverse saturable absorption and optical limiting of the materials were discussed. a phenomenological model is used to describe optical limiting phenomena

    用波長為532nm的yag倍頻調q脈沖激光以8ns的脈沖速率測試復合材料的反飽和吸收的光限幅特性，討論了各種因素對材料的三階非線性光學性質及反飽和吸收光限幅特性的影響，並對它們的反飽和吸收的光限幅現象進行了理論擬合。
  19. The results show that it has great saturation oil - adsorbing capacity, which can reach to 20 for high density and viscosity crude oil, as well as it has a faster adsorbing speed than other materials for treating lower viscosity crude oil

    試驗結果表明，熔噴聚丙烯非織布對原油的飽和吸油量大，對高密度高粘度的原油飽和吸油率可達20 %以上，尤其是對于低粘度的原油吸油速率快。
  20. T. media cv. hicksii seedling hi natural light has higher content of bound - water and water saturation deficit, bigger transpiration rate, and lower relative water content, stronger ability of fighting loss water than that in shading light intensity conditions

    自然光照條件下生長的曼地亞紅豆杉幼苗蒸騰速率較大，葉片相對含水量較低，水分飽和虧缺值較大，束縛水含量較高，抗脫水能力最強。
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