first saturation 中文意思是什麼

first saturation 解釋
一次飽充
  • first : adj 1 最初的,最早的。2 最上等的,第一流的。3 基本的,概要的。4 高音(調)的。n 1 最初,第一;第...
  • saturation : n. 1. 浸透,浸潤。2. 充滿;飽和。3. 【化學】飽和(狀態)。4. 飽和劑。5. 【物理學】磁性飽和。6. 【色】濃度,章度。7. 【商業】(市場的)飽和供應,足量供應。
  1. It is the optimal time for subjecting creatine to the medium when cultured to 12h and the concentration of creatine was 0. 75 %. creatine, sarcosine and choline chloride could induce the creatinase production and creatine was the optimal inducer, but creatinine and urea could not induce the creatinase production. 3 purification of creatinase the process of creatinase purification was performed as follows : first the enzyme was completely precipitated in the range of 40 - 80 % of saturation with ammonia sulfate fraction precipitation

    最佳氮源為玉米漿和蛋白腖,最佳比例為2 : 3 ,最佳濃度為1 . 6 ;加入其它碳源時有助於菌株穩定產酶; 100ml搖瓶的最佳裝液量為15ml ;肌酸、肌氨酸和氯化膽堿都能誘導菌株產酶,其中肌酸誘導產酶的效果最好,而肌酐和尿素不能誘導菌株產酶;誘導物肌酸的最適加入時間為接種培養12小時后,最適加入量為0 . 75 。
  2. The first order freedricksz transition at saturation point will be studied in this paper

    本文研究在飽和點的freedericksz轉變。
  3. The leaves of c. smyrnioides had been yellow in the end of april and the overground part of the plant had been blasted in the first of may. but at the same time, it just turned yellow for saturation treatment. and a. sylvestris and c. violaceum have similar tendency, that is, the plant in drought treatment blasted earlier than in saturation treatment

    受到乾旱脅迫的明黨參植株在4月中旬葉片就已開始發黃, 5月中旬地上部分已枯萎,而此時飽和水分條件下植株的葉片剛開始變黃,川明參和峨參均與明黨參相似,乾旱條件下植株的枯萎時間均早於飽和條件下。
  4. Three parts are included as follows : first of all, the basic circuit equation of radial pm generator for autos is given. the effect of reciprocity of pm and winding ' s magnetic force upon winding ' s inductance and current upon magnetic circuit saturation are analysed. according to these, we can obtain optimized design

    首先,從本課題採用的徑向式結構的三相永磁同步發電機的物理模型出發,得出其基本電路方程式,並分析了永磁磁動勢與繞組磁動勢間相對位置的不同而對繞組電感不同的影響,相電流對磁路飽和效應的影響,為車用永磁發電機的優化設計提供了理論依據。
  5. Later, the paper ascertains how the prominent factors influence the humidifying effect by single factor experiment and got such solutions : when other situations do n ' t change, the nozzle flux will enhance with the increase of the nozzle aperture and spraying pressure. air ' s changing quantity of enthalpy and absolute humid, valid humidified quantity, humidifying efficiency and saturation efficiency will enhance with the increase of the initial water temperature. with the enhance of the praying pressure, the valid humidified quantity and air ' s changing quantity of enthalpy will increase first and decrease later, while the humidifying efficiency will drop

    然後通過單因素試驗確定影響顯著的因素如何作用加濕效果,得到:在其他條件不變的情況下,噴嘴流量隨噴嘴孔徑和噴水壓力的升高而增大,空氣焓變量、絕對濕度差、有效加濕量、加濕效率及飽和效率隨噴水初溫的升高而提高,有效加濕量和空氣焓變量隨噴水壓力的升高先增加然後有所下降,而加濕效率隨噴水壓力的升高而下降,焓變量和絕對濕度差隨水氣比的增加而增大。
  6. 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。
  7. First, a hue / saturation mask was used to colorize the picture to blue tones, but this was done at a very low opacity

    首先,一個色調/飽和度的遮罩用於給整幅圖片加上藍色調,但是透明度一定要給得很低。
  8. The whole system is likely to make zebrafish the first vertebrate to achieve saturation mutagenesis and gene screening

    這套系統的建立使斑馬魚成為第一個有可能達到基因飲和突變和篩選的脊椎動物。
  9. The saturation time in our simulation is consistent with the prediction of the theory. furthermore, we also studied the propagation of two pulses with inverse phase. in this case, the wakefield excited by the first pulse will be absorbed by the second pulse which shifts to higher frequency

    此外,我們還研究「位相相反」的兩個脈沖在稀薄等離子體中的傳播,第二個激光脈沖由於吸收了前一脈沖激發的靜電場,頻率向高頻方向漂移,得到頻移的大小與符合理論推測。
  10. First territorial - wide saturation monitoring of fine suspended particulates in

    作全區域的微細懸浮粒子測量
  11. User can chang it freely. the signals sampled on hardware interrupt assure the real - time property and control reliability. chapter 4 first analyzes the basic characteristics of electropneumtic proportional / servo cushioning controlled system, especial study the influence of the valve dead zone, system friction and saturation phenomenon

    第四章首先將電-氣比例伺服控制引入到緩沖控制中,分析了系統被控對象的基本特性,著重分析了氣源壓力變化、閥口死區、系統摩擦力特性和氣路飽和現象對控制系統的影響。
  12. A novel aerial defense fire system - saturation fire system which is used by high - shot weapon system is studied theoretically for the first time in this paper

    本論文以嚴謹的數學工具、明確的物理概念,研究了一種新穎的高射武器系統防空反導射擊方式? ?飽和射擊體制。
  13. The first diagnostic analyses show that the heavy rainfalls are produced together by vortex, shear line and upper and lower jets, meiyu front. the condition of high energy, saturation, potential instability is propitious to the form and maintenance of heavy rainfall. the result of numerical simulation by mm5 model shows that heavy. rainfall has close relation with meso - scale vortex pole and strong convection

    採用ncep全球譜模式和常規觀測資料對「 03 . 7 」江淮地區的兩次暴雨過程的影響系統及其可能機制進行了初步診斷分析,發現梅雨暴雨是受低槽、低渦、切變線、高、低空急流和梅雨鋒區共同影響造成的,該地區維持高能、飽和、潛在不穩定的環境,有利於暴雨的產生中尺度數值模式( mm5 )模擬結果表明梅雨暴雨與中尺度渦柱、強對流運動密切相關。
  14. ( 2 ) used the predecessors " research achievements for reference, an experimental provision by which relationship between capillaiy pressure and saturation and relationship between unsaturated permeability and capillary pressure of fracture can be determined simultaneously is developed for the first time. experiment of simplified fracture model on the provision is done

    借鑒前人的研究成果,基於動力法原理(即逐次建立水相和氣相之間的穩定流動狀態) ,首次研製出了一套可同時測定單裂隙毛細壓力飽和度以及非飽和滲透系數毛細壓力關系的實驗裝置。
  15. In order to overcome the chattering phenomenon, a new approach with saturation boundary layer and adaptive variable structure control with twin - neuron ( avsct ) is proposed. the neuron adaptive psd intelligenc control algorithm is proposed for the first time in double adaptive neuron vsc controller and adopted method which separately adjusting learning rate in study of submarine combined maneuvering control system of near - surface

    針對變結構控制存在抖動的缺點,首次提出了用飽合邊界層和自適應雙神經元變結構控制器( adaptivevariablestructurecontrolwithtwin - neuron簡稱avsct )的設計方法,並將其應用於潛艇空間運動聯合控制系統中。
  16. For the first time, the energy band configuration of p - si / n - bn heterojunctions were studied and drawn up. the study of the current - voltage ( i - v ) characteristics showed significant rectifying behavior with reverse saturation current of 3. 7 x 10 ~ 7a, breakdown voltage of 30v and turn on voltage of 14v. the capacity - voltage ( c - v ) characteristics are studied too

    研究了p - si / n - bn異質結的-特性,測試表明異質結具有明顯的整流特性,反向飽和電流3 . 7x10 「 』 a ,擊穿電壓高達30v導通電壓為14v ,應用p七en異質結能帶圖對其卜v特性做出了定性解釋。
  17. We set up three soil water treatments : the first was saturation treatment, that is, relative water capacity ( rwc ) of soil approached water holding capacity ( whc ) and keep in 90 % - 100 %, dipped in water to make it renew saturation when rwc depress to 90 %. same to the second treatment ( moderate treatment, rwc : 50 % - 100 % ) and the third treatment ( drought treatment, rwc : 20 % - 100 % )

    共設3種水分處理,第一種飽和處理,土壤相對含水量( rwc )接近田間持水量,保持在90 100 ,當rwc降到90時,浸水使之達到飽和;同樣方法使第二種中度處理和第三種乾旱處理的rwc分別保持在50 100和20 100 。
  18. Chapter four first researches the structure design of computer control samrt cushioning system and the signal processing. then mainly studies the design of pid / pdf control algorithm and their parameters tuning. finally analyzes the basic characteristics of electropneumtic proportional / servo trace controlled system, especial study the influence of the valve dead zone, system friction and saturation phenomenon

    第四章首先研究了計算機控制智能緩沖系統的結構設計、信號處理;然後重點研究了pid 、 pdf控制演算法的設計及其參數整定;最後研究分析了控制系統的基本特性,著重分析了閥口死區、系統摩擦力和氣路飽和特性等對系統控制性能的影響。
  19. 2. the concept design is the key phase of the first stage of system optimization. the paper emphatically discusses with emphasis several issues difficulty to answer, such as the determination of the soil parameters, the soil pressure and the safety factor and the reliability of retaining structure, summaries and analyses the main geotechnical problems during the excavation on the four familiar geologic strata of saturation soft soil on the class i terrace of the yangtze river, aged - clay, expansive soil and loess and investigates carefully the patterns of deformation and destruction of pit slope in the saturation soft soil, puts forward three basic principles of selecting schemes of retaining structure, namely : facing to the problem, facing to the characteristics of excavation and environment

    ( 2 )概念設計是深基坑工程第一步優化? ?系統(方案)優化設計中的關鍵,文中重點討論了概念設計中的幾個難點問題,如土性參數的確定、土壓力的選取、深基坑工程的安全度和可靠度分析等;總結分析了飽和軟土、老粘性、膨脹土和黃土這四類常見地層條件下的深基坑工程中的主要巖土工程問題,其中重點研究了長江級階地上的飽和軟土深基坑邊坡變形和破壞模式,提出了選擇支護方案的基本原則,即:面向問題、面向基坑特點、面向周邊環境特點。
  20. The results indicate : when reduced anchoring strength a is large and = 0 or > 0, the first order transition may occur at threshold point or at saturation point ; when a is very lager and = 0 and > 0, the uniform twisted solution jumps directly to the saturation solution

    結果表明:當反映錨定強度的參量( = k _ ( 22 ) ? al )較大,且修正參量= 0或0時,在閾值點或飽和點可以發生一級轉變。當很大,且修正參量= 0或0時,還會發生均勻扭曲解直接轉變為飽和解。
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