穩態復合 的英文怎麼說

中文拼音 [wěntài]
穩態復合 英文
steady recombination laser
  • : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
  • : 名詞1. (形狀; 狀態) form; condition; appearance 2. [物理學] (物質結構的狀態或階段) state 3. [語言學] (一種語法范疇) voice
  • : Ⅰ形容詞1 (重復) repeated; double; duplicate 2 (繁復) complex; compound Ⅱ動詞1 (轉過去或轉過...
  • : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
  1. In the next place, by studying the change of the resonant frequency of the whole system, this paper designs the circuit to track the resonant frequency of the system by cd4046 mainly. at the same time, in order to improve the efficiency and get better dynamic capability of the converter, we choose pll and fuzzy control after comparing the pll circuit, fuzzy circuit and pll ? fuzzy control circuit. in the end, this paper brings forward the control blue print to realize the drive control circuit of the high frequency converter, using the dsp chip as the key part to realize four routes of pwm drive pulses with dead band of the control system

    其次,通過對整個系統諧振頻率變化的分析和研究,設計了以鎖相環cd4046為核心的鎖相環控制電路,同時,在綜比較鎖相環控制、模糊控制以及模糊控制和鎖相環控制三種控制演算法的基礎上,進行了系統模擬,得出採用控制可使跟蹤電路既具有鎖相環路較好的性能,又擁有模糊控制較好的動性能,系統魯棒性能好,同時也提高了逆變器的效率。
  2. Tensile properties and impact properties measurements were done at room temperature. the volume resistivity of rectangular samples was measured using a zc36 electrometer and a high 240a voltage supply, for samples with a low resistivity level a dt - 9205b digital multimeter was used, silver paint was applied to ensure complete contact between sample and electrodes, namely, to eliminate the contact resistance. the phase morphology of blends was also studied using a jeol jsm - 5900lv scanning electron microscope ( sem )

    體積電阻率的測定:當r _ v 10 ~ 8時,製成100 100 4mm板材,用zc36型高阻儀測量;當r _ v 10 ~ 8時,用dt - 9205b型數字式萬用表測試試樣的體積電阻,為了減小接觸電阻對測試的影響,採用銀導電膠將銅片粘接在試樣的兩個端面上,靜置24小時,待銀導電膠凝固,試謝長瓊:熱拉仲對pet / pe / cb導電體系形和性能的影響樣的電阻定后再測量。
  3. In this paper, metastable cu - al alloy powder with different aluminum content was prepared by mechanical alloying technique. high strength and high conductivity cu - al2c > 3 composites were prepared by a new type vacuum internal oxidation technique

    本文採用機械金化法制備了不同鋁含量的亞的cu - al金粉末,採用新型真空內氧化工藝制備了不同成分的高強度高導電cu - al2o3材料。
  4. Crystal zirconium phosphate - phosphonate has the stability and regulity of interlayer floor of inorganic a - zirconium phosphate, they still have the designability of the organic group in the interlayer and adjustment of the ratio of organic and inorganic phosphorus acid, they are a kind of potential smart material, we can process molecule design and optimize filtration according to the requirement of goal reaction, we can prepare special ion - exchange, catalyst, catalyst supporters nonlinear optics compound, solid state proton conductivity and the intercalation complex precusor by introducing different active organic group or active center into the choice and stable framework of inorganic a - zirconium phosphate

    有機?無機晶磷酸鋯具有無機磷酸鋯的層板定性和規整性,同時具有層間有機基團的可設計性和有機無機磷酸混配比的可調節性的特點,是一類很有潛力的靈巧材料,並且可以根據目標反應的要求進行分子設計和優化篩選,在無機磷酸鋯優良定的骨架上引入不同的活性基團或活性中心,可以制備出性能獨特的離子篩、催化劑、催化劑載體、非線性光學物質、固質子導體和制備插層物的前驅物。
  5. Analytical solution for the heat conduction problem in a compound sphere and its applications to an incapsulated pcm

    球體非導熱的理論解及實例分析
  6. In order to evaluate the stability of the upper structure of the cross and the pillar - soil compound foundation, and provide more theoretical bases for design and construction of this type of jacking frame - overhead cross in future, the 2d fem analyses for bearing - deformation of the frame structure of the cross and the pillar - soil compound foundation are carried out, and some relevant conclusions are obtained

    為了評判該立交橋上部結構與樁-土地基的定狀,同時為今後此類型頂進框架立交橋的設計與施工提供更多的理論依據,對該立交橋的框架結構與樁-土地基的承載變形進行了平面有限元分析,取得了相應的認識。
  7. Time - temperature superposition principle could bee applied to g " dependence on cd, and the dependence of shifted factor at on temperature demonstrated a linear relationship by a plot of in at vs. t - 1. the steady rheological measurements for nanocomposites melts were conducted. the results revealed that the melts of exfoliated nanocomposites with lower loading of org - mmt exhibited shear - thinning even at lower shear rate as compared with polymers filled with common particles, while the melts flow depended weakl

    研究結果表明仁體系g 『和動損耗模量寧的對數關系性呀g 『一109夕, _印維乖溫動模量滿足時溫疊加原理,頻率移動因子( at )的對數與塌度的倒攀即種馬與了一『有良好的線性關系?一_面,體系熔體的剪切流變行為具有不同於普通粒子填充聚性。
  8. The steady - state errors of current closed loop system with pi current regulator in stationary and synchronous frames are compared using complex vectors. also, the corrector of rotor displacement control is studied by the root locus method

    應用矢量概念,對比了靜止坐標系和同步旋轉坐標系pi電流調節器組成電流閉環系統的誤差,並用根軌跡法對轉子位移控制系統的校正環節進行了研究。
  9. The results prove that : ( 1 ) when the mach number of the flow at the exit increases, the total pressure recovery decreases, and the circular steady total pressure distortion coefficient, turbulence intensity and synthesis distortion increase

    研究結果表明: ( 1 )地面工作狀下,隨著出口馬赫數的增加,蛇形進氣道出口截面的總壓恢系數不斷下降,而周向畸變指數、紊流度和綜畸變指數均上升,徑向畸變指數變化不大。
  10. Since polymer light - emitting diodes ( pleds ) were invented, much efforts have been made to improve the brightness and efficiency of its electroluminescence for realizing pled commercial application. we investigated several factors influencing the brightness, efficiency and spectrum characteristics of pleds el, especially focused our attention on the processes of carrier injection, transport, recombination and annihilation factors influencing brightness efficiency of organic electroluminescence ( oel ) in doped single and double - layer pleds

    本文以提高聚物器件的效率和亮度為目標,提出了提高及b幾種方案,研究了材料性質,器件結構,它們的及瞬特性及發光機理,特別關注了以兼具電子空穴傳輸能力的分子及摻雜聚物作成的單雙層摻雜聚物發光器件中的載流子注入、遷移、及湮滅等。
  11. This material can be used to produce rolls of large size with the static compound casting technology so that the roll body is of great hardness and the roll shaft is of great strength and the roll will have good thermal stability and resistance to accident

    此類材質可用靜澆注工藝生產較大規格軋輥,使輥身具有高的硬度而輥軸具有高的強度,表現出良好的熱定性和抗事故性。
  12. Considering that the characteristics of our country ' s highway tunnels are always of long spans, tabular and of various geometry, by means of thorough analysis of the different problems existed in the design of support structures of the tunnels at present, this paper pays special attention to the two key problems, optimization method of form selection of structural section of the tunnel as well as the stability and bearing capacity of the support structures, in the design of the long and large tunnel on high - class highway, introduces the simplified complex - form optimum method in the structure optimization theory, discusses the optimum design model of lining section of highway tunnel with satisfying demands in building clearance, ventilation and load conditions, puts forward an optimization method of form selection of three different kinds of lining sectional forms ( i. e. single - center circle, three - center tabular circle and three - center sharp circle ), establishes a complete set of systematic optimum design the ory and method of long and large tunnel on high - class highway, develops the corresponding computer software used on the planned xuefeng mountain highway tunnel on shaoyang to huaihua expressway in hunan province for optimization of form selections of the structural sections, and obtains a series of relatively reasonable structural design parameters

    本文針對我國公路隧道多為大跨度、扁平、幾何形狀呈多樣化的特點,通過深入分析目前隧道支護結構設計中存在的各種問題,抓住高等級公路長大隧道設計中隧道結構斷面的優化選型及隧道支護結構的定性與承載能力兩個核心問題,引入結構優化理論中的簡易形優化方法,深入探討了滿足建築限界、通風條件、受力狀約束等條件下公路隧道襯砌斷面優化設計模型,提出了三種襯砌斷面形狀(單心圓、坦三心圓和尖三心圓)的優化選型方法,建立起一套完善的高等級公路長大隧道的系統優化設計理論與方法,並開發出相應的計算機程序,用於擬建的上海至瑞麗國道主幹線湖南省邵陽至懷化高速公路雪峰山長大高速公路隧道的結構斷面優化選型,得出了一系列較為理的支護結構設計參數。
  13. In chapter 2 and 3 we introduced the development and problems in inorganic and organic electroluminescence ( iel and oel ). in chapter 4 we utilize the simple static properties of inorganic material to form complex with organic material

    利用有機無機的,既發揮了無機材料的定性、簡單的、靜的特點,又利用有機電致發光驅動電壓低、顏色豐富等優勢。
  14. And through leslie matrix analysis, we deduced, except of the subpopulation at altitude 490m, the subpopulations of lilium tsingtauense will not die out if not been disturbed badly. we estimated the growth ability and resistance ability of both metapopulation and local population by use the method of quamitative analysis for population structura1 dynamics. the growth ability order is population l > population 2 > population 3 > population 5 > population 6 > metapopulation > population 4

    川叩iqu n了e )種群研究摘要從種群年齡結構的定、衰退、增長概念出發,以種群結構參數為依據,運用加權法與條件概率乘法法則,定量椎導出衡量種群年齡結構及群落結構的動指數,該方法克服了過去在植物種群結構動比較評價中粗放的等級歸類劃分的缺陷,並能解決結構動定量比較評價問題,因而認為有普遍使用的價值。
  15. In which integrate compensator was introduced in slide mode controller of velocity loop for reducing torque chattering, and compound sliding controller was designed to avoid chatter in slide mode controller of position loop

    其中速度環通過增加積分環節來消除滑模控制的力矩抖動,位置環通過滑模拉制的設計來消除滑模控制的抖振。
  16. The urban ecosystem is a complex of society, economy and nature that consists of urban population and many natural factors that include urban bio - community of plant, animal and microorganism, urban geology and landform, urban hydrology and water resource, soil resource. the urban ecosystem have not only the ecological process and function that is homologous with natural ecosystem but also characteristic and other opening, complex and unstable character

    城市生系統是是由植物、動物、微生物等城市生物群落、城市氣候、城市地質地貌、城市水文與水資源、土地資源等自然要素,以及城市人口等組成的社會、經濟、自然的體,既具有與自然生系統相應的生過程和生功能,更具有自己的特性,具有開放性、性和不定性等特點。
  17. The metastable austenitic phase of s s fiber at the interface of the fiber / cu composite would turn back to equilibrium with the interfacial energy and inter stain inducing, when the cu films were separated from s s fiber. so the magnetism value of the s s fiber declined. the information of grain - orientation at the interface of the fiber / cu composite can serve as a mechanism responsible for its declining coercivity, and a part of cu elements diffused into s s fibers

    不銹鋼纖維銅體去除銅層后,原有的界面能及應力下降,使得原纖維界面處弱磁性的部分亞奧氏體,恢到平衡,它們對樣品s測試結果不再有貢獻;不銹鋼纖維銅體中,處于界面處的纖維晶粒具有很強的軸向取向排列,當晶粒取向性減弱,磁疇轉動的阻力增加,磁體的矯頑力上升。
  18. 3. the two stages of primary creep and steady - state creep of 3d c / sic correspond to the gradual saturation of matrix crack and the opening of these cracks respectively. the transverse crack is the main contributor to the macroscopic creep strain of 3d c / sic, and its opening is controlled by the creep temperature

    ( 3 ) 3dc sic材料的減速蠕變階段和蠕變階段分別對應著基體裂紋趨于飽和和逐漸張開這兩個過程;橫向基體裂紋是3dc sic材料宏觀蠕變應變的主要貢獻者,溫度是影響橫向裂紋張開速度的一個重要因素。
  19. A multiloop antenna pointing controller has been designed while three feedforward schemes are used in this control design. the simulation results show that the antenna pointing control system can improve the precision of the attitude angle and the attitude angle rate, and the antenna can slew to the neighborhood of tdrs fast, search and then track tdrs

    在設計好的天線跟蹤指向控制系統基礎上,採用前饋+反饋的控制策略設計了控制器,模擬結果表明設計的天線指向控制系統能夠較好的提高星體的姿定度和控制精度,天線能夠快速回掃至中繼衛星附近並進行跟蹤,天線指向精度滿足設計要求,表明了所設計的天線指向控制系統的理性和有效性。
  20. This paper analyzed the characteristics of process, equipment, investment, quality and cost of traditional multi - layer parquet production using single - component moisture - curing liquid polyurethane ( pur ) adhesives

    摘要單組分濕固化液聚氨酯膠( pur )不同於傳統水基膠黏劑,用於生產多層地板時,可避免生產過程中因水分和熱量的介入對木材尺寸定性的影響。
分享友人