critical curve 中文意思是什麼

critical curve 解釋
臨界曲線
  • critical : adj 1 批判的,批評的;(在某方面)有鑒定力的 (in)。2 吹毛求疵的;愛挑剔別人的 (of about)。3 ...
  • curve : n 1 曲線;彎曲;彎曲物。2 曲線規 (=French curve);【機械工程】曲線板;【棒球】曲線球;【統計學...
  1. Then, by using the great fem programme and the drucker - prager model, the thesis establishes the pile - soil model of super - long piles, analyzes the mechanism of bearing and deformation of super - long piles under vertical loading systemically, studies the characteristics of q - s curve, bottom resistance, pile shaft resistance and critical length of super - long piles in detail, acquires some practical guidance conclusion. secondly, with a practical engineering, the author expatiates the bearing characters of super - long piles farther. the thesis points that super - long piles are frictional piles under the condition of working loading

    然後應用大型有限元程序,採用土的drucker - prazer模型,建立了超長樁分析計算的樁土模型,系統分析了超長樁在豎向荷載作用下的承載機理和變形特性,研究了超長樁的荷載?沉降特性,端阻、側阻的發揮性狀以及超長樁的有效樁長,得出了具有實際指導意義的結論。
  2. The qualification of multipactor and the characteristic of the angle and velocity of secondary electron were study. bring forward a improved model of multipactor and solve it by a random sample made by monte carlo, as a result, a critical curve of multipactor was gained

    提出了一個改進型的次級電子倍增研究模型,利用蒙特卡羅法生成的隨機樣本來求解這個模型,得到了工作在2 . 85ghz的介質片的次級電子倍增敏感度曲線。
  3. While the hydrate saturation is more than the critical saturation : a ) the avo cannot curve indicate whether there exists any free gas below the bsr ; b ) the bsr is always visible in seismogram whether there exists free gas below or not

    而當水合物飽和度大於臨界飽和度時: a ) avo曲線不能反映bsr下方是否含有游離氣; b )無論下方是否含有游離氣, bsr在地震記錄上總是可見的。
  4. When the thickness increases up to a critical value, about 30 nm, the spotty rheed pattern gradually changes to streaky pattern, and the rheed oscillation curve appears. the rheed pattern of the ultra thin lno film deposited in the relatively high oxygen pressure is streaky pattern. with pumping the oxygen pressure to the relatively low value, the streaky rheed pattern gradually changes to spotty one

    我們發現在較低的真空度下,即氧分壓處於2 10 - 4pa和3 10 - 3pa之間, lno晶格中的一個o2 -將會轉移兩個電子給兩個ni3 + ,並且移動到薄膜表面形成o2被泵抽走,從而導致鈣鈦礦結構的垮塌,其相應的rheed圖樣呈現出清晰而明亮的點,表明表面為較為粗糙的三維島狀結構。
  5. The resistivity - temperature curve can be predicted by using this mathematical model, which was in good agreement with the experimental data when the cb volume fraction is close to the critical volume fraction

    利用這個數學模型,還對兩種ptc材料的阻溫曲線進行了預測,與實測結果比較發現,當炭黑含量在滲流閾值附近時,預測值與實測數據吻合很好。
  6. With the numerical solution, an internal condensation critical curve can be calculated out by condensation theory and depositing theory, on the curve, the enter water ability equal to the out water ability, which can be used as the basis to determine the occurrence of internal condensation. but the result doesn ’ t coincide with the real completely. in this dissertation, we plan to get the critical curve by practical experiment results, because that the enter water ability only relates to the condensation density and the out water ability only relate to the volume ratio of the pneumatics system

    然而由凝結理論和沉積理論得到的計算結果往往與實際有一定偏差,本課題希望通過實驗的方法獲得內部結露臨界線,即系統進水能力和排水能力相等的曲線,由於系統的進水能力和充放氣過程中凝結水滴密度有關,排水能力和系統容積比有關,可以通過大量實驗總結出以凝結水滴密度和容積比表示的內部結露臨界曲線,作為判別內部結露是否發生的依據。
  7. The his - tagged peacl - gfp purified from the supernatants could polymerize into green fluorescent filamentous structures with diameter, length and shape being identical to that of muscle f - actins, which could be labeled by tritc - phalloidin ( a specific agent for staining actin microfilaments ), and were identified as having a 9 nm diameter by negative staining, corresponding with that of the muscle f - actins ( 7 - 10 nm ). under polymerization conditions, his - tagged peacl - gfp polymerized with kinetics similar to those of skeleton muscle actin, that is, an obvious lag nucleation period at the beginning of polymerization and an s - like typical polymerization curve could be obtained. the critical concentration is 0. 75 umol / l near to that of chicken muscle actin ( 0. 56 umol / l ) under the same condition

    熒光標記結合熒光顯微觀察表明:從可溶性上清中純化的his - taggedpeac1 - gfp聚合形成的微絲不僅可以直接在熒光顯微鏡下觀察,也可被微絲的特異標記物鬼筆環肽所標記,而且其直徑、長度以及形態上與已知的聚合肌動蛋白熒光絲一致;電鏡負染的結果進一步證實其直徑為9nm ,與傳統微絲直徑相當( 7 ? 10nm ) ;聚合曲線有明顯的停滯期,為典型的s型聚合曲線,聚合臨界濃度為0 . 75 mol l ,這一結果與已有報道相似。
  8. Around 40 ; the neutral curve obtained by the growth rates of the temperature fluctuation has a ringlike curve separated from the main branch of nachtsheim s calculation by velocity fluctuation at the lower grashof number side ; and its phase velocity is close to the maximum mean velocity where the critical layer of the eigenmode locates. the thermal fluctuation decays rapidly as the nondimensional frequency above 0. 4, so that it means that the coupling effect between instability wave generated by buoyancy fluctuation and velocity waves by invicid instability seems weak enough for their critical layers in the range of the nondimensional frequency

    詳細研究了自然對流邊界層中最早失穩的浮力振型的功率譜波長波速與臨界層位置等基本特徵和它為主導其他振型尚未失穩時按線性理論得到的3種相互獨立振型的振幅分佈。系統地測量了它所對應的溫度和速度漲落的振幅增長規律和中性曲線,實驗結果表明,溫度漲落的中性曲線在低格拉斯霍夫grashof數
  9. A generalization, n > 4, is given in this paper. in result the critical points of these koch curve with different values of tv by decimation based on ising model are same, but the critical exponents are different. the four ones, , are same, and the other two v, are different

    本文對其進行一種推廣,推廣后n 4 ,對于取不同n值的科赫曲線應用重整化群的格點消元法,仍採用ising模型,結果得到同樣的相變點,但是臨界指數不完全相同,其中, , ,相同,而,不同。
  10. The exact expression is n = 4 ", in which n is the stage of koch curve. since we only consider one generator in computation process, so we simplify it as n = 4 ). the critical point of this kind of koch curve is zero, also called zero temperature phase transition, and this is the character of all the limited branching systems

    無分支科赫曲線是一種典型的分形,前人的研究都局限於n = 4 ( n是用線元,面元,或體元覆蓋分形系統所需要的覆蓋次數,確切的應該寫成n = 4 ~ n ,其中n為科赫曲線的級,但我們在重整化群計算時只考慮一個生成元,所以簡化為n = 4 )情況,這種科赫曲線的相變點為零,是一種零溫相變,這也是有限分岔系統的相變特徵。
  11. Quantum capture is a complicated process and capture time computation and experiment test are provided. it is difficult to ascertain carrier ' s transportation and distribution in multiply quantum wels and tunneling time and heating emitting time computations are also provided. optical gain whose formula is complicated is a critical parameter and it is useful for structuring model to obtain a concise formula by means of experiment curve

    詳細說明了確定半導體激光器速率方程的一些重要參量的方法,如:載流子在三維sch區的輸運行為對激光器的調制特性有較大影響;量子阱對載流子的捕獲是一個復雜的過程,文中給出了量子捕獲時間的計算方法以及實驗證明;多量子阱中載流子輸運與分佈也是相當復雜的問題,文中給出了隧穿時間與熱發射時間的計算方法;光增益是關鍵的參量,它的解析式相當繁瑣,由實驗曲線擬合其較為簡明的經驗式,對定模工作是有利的。
  12. In this part, it is also found that the equivalent prismatic column, which is obtained based on the equal elastic critical load as the non - prismatic member, is not actually equivalent to the tapered column in inelastic stability, and the latter has higher load carrying capacity. finally, the behavior of tapered beam - column acted by combined axial load and transverse load has been investigated. a bending - thrust interaction curve is established which is similar to the ones for the design of prismatic members

    三是研究了楔形變截面懸臂構件在大端固定,小端同時承受橫向及軸向荷載共同作用下的強度和彎矩平面內的穩定,同時參考等截面構件的設計公式,得到了用大端截面來表示的軸力p與彎矩m的之間的相關關系。
  13. The character of the reservoir is typical of low permeability, high stress - sensitive, high capillary pressure value, steep capillary pressure curve, high critical water saturation, blur gas - water contact

    物性特徵表現為滲透率低且對應力敏感,毛管壓力高,毛管壓力曲線陡峭,臨界水飽和度高,氣水界面模糊。
  14. In some time - critical situation, continuous ssi is computation bottleneck of some solid modeling system. conventional approach for solving continuous ssi often uses intersection algorithm iteratively without taking the characteristic of the surface into account to simplify computation. the dissertation analyzes the intersect curve structure of continue surface, from the point of intersect curve ' s evolution, it describes the relationship between topology of offset surface intersect curve and topology transmit point ( ttp )

    等距曲面和運動曲面在cad cam領域中有著重要的應用,在一些時間敏感場合例如數控加工動態模擬,等距曲面和運動曲面等連續變化曲面求交運算已成為這些系統的計算瓶頸,連續變化曲面求交問題的通常解法是採用曲面求交演算法反復迭代計算交線,沒有考慮連續變化曲面交線之間的相似性進行求交簡化,效率上一直不能有很大的提高。
  15. The natural vibration spectrum curve is measured and the critical velocity to induce trashrack bar galloping is calculated. the effect of bar spacing on the bar strain and the characteristics of the exciting force are discussed. by fatigue analysis it is obtained that the service life of weld at the fixed end of the bar is about 13

    分析了發電工況和抽水工況時的振源特性,討論了柵條凈距對柵條應變的影響,按鋼結構設計規范對柵條進行了疲勞計算, 1 ~ #測點處可視為不會發生疲勞破壞, 2 ~ #測點焊接處的疲勞壽命約為13 . 6年。
  16. A new method and the principle is presented for plotting the critical metacentric height curve which meets imo ' s intact stability criteria and weather criteria, and the critical metacentric height curve which meets 1976 solas intact stability criteria. and the critical metacentric height curve is used in the stability check of bulk grain carriers in accordance with the stability rules for bulk grain ca rriers

    本文還具體給出了滿足imo完整穩性和天氣衡準的臨界初穩性高度的求作方法,以及滿足1976solas公約散裝穀物船舶的穩性衡準要求的臨界初穩性高度的原理和求作方法,並將由此得到的臨界初穩性高度曲線綜合運用到散裝穀物船舶的穩性校核。
  17. In addition, the characteristics of critical current of hts tapes in ac applied field and that of voltage - current curve when transport ac currents were studied. the problem on the criterion of ac current carrying capacity of hts tape was discussed, and some suggestion on the criterion of ac current carrying capacity were proposed

    另外,對高溫超導帶材在交流背景磁場下的直流臨界電流特性,及超導體傳輸交流時的流?壓曲線特性進行了實驗研究,並對高溫超導帶材的交流最大載流能力的測量判據問題進行了探討,給出最大交流載流電流測量判據的建議。
  18. By using this model, the contribution of the thermal volume expansion of the matrix to the ptc transition of the composite is quantitatively estimated. the theory and experiment revealed that the conductive mechanism of abrupt resistivity increase at ptc transition region was equivalent as abrupt resistivity increase at the percolation curve close the critical volume fraction

    可以利用這個模型,對基體體積膨脹對ptc轉變的貢獻進行了定量分析,表明ptc轉變區的電阻突變與滲流曲線在臨界體積分數附近的電阻率突變在導電機制上是相同的。
  19. Compared with traditional methods this method demands less condition. if data file can be setup correctly it can search the critical slip curve successfully. as the method in chapter 4, this method also can be used for slope stability analysis and the design of slope

    相比較傳統方法,本方法對于外界條件基本沒有特殊要求,只要能成功的以數據文件的形式刻畫出邊坡的特性(幾何特性、邊界條件、外界作用)就能夠成功的搜索到最危險滑動面。
  20. 3. based on the assumption of general slip surface, a general formula of safety factor of slope is presented in which the forces exerted on the slices exactly satisfy the equilibrium condition. using the method the chapters introduced to search critical slip surface, and proved by examples, this method is more reliable, and can search, simulate the critical slip curve

    推導出了滑動面為任意現狀,邊坡體內作用有各種荷載且滿足力平衡條件下的邊坡穩定系數計算公式(在進行條分計算時,假定條間僅有水平方向作用力,豎向條間剪力為零) ,利用本文提出的遺傳進化搜索方法搜索邊坡最危險滑動面。
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