two-phase condition 中文意思是什麼

two-phase condition 解釋
雙相狀態
  • two : n. (pl. twos)1. 兩人;兩個東西,一對。2. 二的記號。3. 兩點鐘。4. 兩歲。n. -ness
  • phase : n 1 形勢,局面,狀態;階級。2 方面,側面。3 【天文學】(月等的)變相,盈虧;【物、天】相,周相,...
  • condition : n 1 狀態,狀況,情形;品質。2 〈pl 〉外界狀況,周圍情形。3 地位,身分。4 條件;【語法】條件子句。...
  1. The paper mainly consider the followings : the performance parameter determination of cryopump, heat load determination and heat transfer of large cryopanel, reasonable distribution of heat load, the condition for construct steady flow in small vertical circle pipeline, balance condition for gas and liquid two - phase flow in the connection pipe between cryopanel and dewar, the safety of cryopump

    文中探討了低溫泵性能參數的確定;大抽速低溫抽氣面的熱負載的確定及合理分配;冷凝面上豎直圓管內受熱建立穩定流動的條件;冷凝面與杜瓦間的連接管道內氣液「雙相流動」的平衡條件;低溫泵系統運行的安全問題。
  2. This test is based on homogeneous soil in foundation, and divided into two phases. the first is to stimulate the construction flow to excavate the pit ; the second phase is destructive test. because the pit is stable in the first phase and the research is point to the geometry shape of the failure surface, moreover, limited to the test condition, the effective surface force is applied to the pit

    此次模擬試驗主要是針對簡單均質的基坑土層進行研究,試驗分為兩個階段,第一階段主要是以相似工況模擬基坑開挖,第二階段主要是破壞性試驗,即由於在第一階段基坑在開挖范圍內能夠自穩,為使基坑達到破壞狀態以研究滑面幾何形態,限於試驗條件,採用「等代面力」的方式施加超載。
  3. The study has completed the design of two - phase inverter and made up of the two - phase inverter - motor system for experimental use it is a variable frequency adjustable speed system with a open - loop control of rotational speed, which consists of voltage - controlled oscillator circulating assign device inverter circuit and two - phase induction motor a accurate mathematical model is set based on the whole system, and simulator program of dynamic and steady condition is established, which is used to calculate the dynamic and steady performance by kron and symmetrical coordinate converter by simulator calculation and experimental research with specific parameter of the system, a comparison is made between predicted and experimental characteristics, experimental measurements are shown to compare closely with corresponding theoretical result it is compared with some variable frequency adjus table speed system comprising inverter and single - phase induction motor from the system efficiency torque pulsation and the effect of two - phase inverter capacitance based on the conclusion, harmonic cancellation pulse width modulation control of a two - phase inverter - fed induction - motor drive system is researched, which cancelled the low harmonic and improve the system performance

    通過對電機的kron變換和對稱分量變換,建立了系統較精確的數學模型,編制了系統動態及穩態運行的模擬計算程序分別計算系統的動態和穩態性能。通過對系統的具體參數進行了模擬運算和實驗研究,實驗和模擬結果進行比較,說明實驗和理論較為一致,並從系統效率、轉矩脈動及兩相逆變器電容的影響等方面與各種逆變器和單相異步電動機組成的變頻調速系統加以比較。在此基礎上,對兩相逆變器供電-異步電動機系統使用諧波抑制pwm控制進行了研究,由於減少了低次諧波,改善了系統性能。
  4. The theory of interface of two - phase fluid id used to analyze the role of the interfacial heat transfer resistance in cond ensation process, it shows that the interfacial heat transfer resistance can not be ignored under such a vacuum condition, and the effect on heat transfer process becomes declined with the increasing of vapor pressure

    應用兩相界面理論分析了汽液界面熱阻在水平管內低壓蒸汽冷凝過程中所起的作用,發現實驗范圍內汽液界面熱阻不可忽略,且其對冷凝傳熱過程的影響隨蒸汽壓力的增大而減弱。
  5. In this dissertation, the experimental study of rolling condition on two - phase flow instabilities of the forced - single - tube circulation system was carried out. furthermore, based on the d - partition method and the hypothesis of drift flow model, given some conservative equation, using the perturbation method the response of the pressure drop of the tube to the inlet flow rate perturbation was analyzed both in rolling condition and in normal upright position

    本文主要通過實驗對搖擺條件對單管強迫循環中汽液兩相流動不穩定性的影響,同時在d分區法的前提下,在兩相區基於漂移流模型,一定的守恆條件下,在搖擺和不搖擺工況中用線性小擾動法對實驗段的壓降對入口流速的擾動的響應進行了分析。
  6. Abstract : we have studied the polarization beats spectroscopy with phase - conjugation geometry in a cascade three - level system. it was found that the accuracy for the energy - level difference measurement is determined by the homogeneous linewidths of the optical transitions. under the condition for the occurrence of beating, the frequency difference of the beat between two independent light sources could exceed the laser linewidth. the measurement accuracy for laser absolute frequency could reach the same order of magnitude as the laser linewidth

    文摘:研究了級聯三能級系統中的相位共軛極化拍頻光譜術.發現其對能級差的測量精度決定於光學躍遷的均勻增寬.在符合拍頻條件時,兩獨立光源拍頻的頻差可以超出激光線寬,激光絕對頻率的測量精度可達到與激光線寬同一量級
  7. Finally glycyrrhiza as the raw material were extracted by the aqueous two - phase. the influences of the extraction time, temperature, the extractant ration ( filtrate / extractant ), quantity ration were studied. the optimum condition was also determined

    最後以甘草為原料,用雙水相萃取技術提取甘草酸,對于不同分子量的聚乙二醇peg ,考察了提取時間、溫度、萃取劑比例(濾液萃取劑)和雙水相組分比聚乙二醇與硫酸銨質量比[ peg ( nh ) 4so4 ]對萃取量的影響,從而確定它們的最佳工藝條件。
  8. In chapter two, according to n - s equation, considering the couple between liquid and solid, the double - fluid model is used to respectively set up momentum equations of two - phase fluids in condition of basic hypothesis, which are general equations of two - phase fluids. simplifying the equations in boundary layer, the momentum differential equations are required and the boundary conditions are given. in the same time, the simplifying equations and their solutions, in which solid grain satisfies in boundary layer

    第二章依據n - s方程,考慮到液、固之間的相間耦合,在基本假設條件下,採用雙流體模型,分別建立液、固兩相的動量方程,它是固液兩相流體的一般方程式;對其在邊界層流區內進行量級比較,得到邊界層動量微分方程並給出其邊界條件,同時也得到固體顆粒在邊界層內所滿足的簡化方程及其解的表達式。
  9. At the same time, we have discovered some bug in cooperate between the two type protection, analyzed different result in different condition as config with different logic protection, show that the incorrect relay act result from these bug only appear when line is in incompletely phase operation and occur fault, furthermore the mass computer protection have comprehensive incompletely phase logic, so this condition can not seriously threaten the power system

    同時,也發現了兩種保護裝置在配合上存在一些缺陷,分析了這種邏輯上的不配合在不同情況下所造成的不同後果,並且指出由於這些缺陷所造成的保護裝置不正確動作的情況僅在線路非全相運行時又故障的情況下才可能出現,而且現有的成套微機保護的都具有較為完善的非全相邏輯,在保護裝置正常投運的情況下,還不致對系統安全構成重大隱患。
  10. Using fcc flow - reaction mathematical model and boundary condition developed in paper ( i ) and the operational constants in commercial fcc riser, the hydrodynamics of catalysts and the distribution of concentration of catalytic cracking products, as well as the temperature of two - phase along the riser are simulated and predicted

    運用已經建立的催化裂化反應的數學模型和模型邊界條件及求解方法,結合煉油廠工業提升管的實際操作參數,模擬預測了催化裂化提升管反應器內催化劑顆粒的流場特徵和原料油反應產物的濃度及氣粒兩相平均溫度的沿程分佈特徵。
  11. Simulation study on transient process of asynchronous motor under stator two - phase short connected condition

    異步電動機定子兩相短接制動瞬態過程模擬研究
  12. The results show that under the condition of the squeezing - power - number being an any even number or the pruduct of the squeezing - power - number and the total cavity - mode - number being an any even number, if some certain and fixed conditions are satisfied respectively by the initial phase of each mode in the state or the sum of the initial phase of each mode in the same state mentioned above, by the initial phase difference between any two components in the state, and by the sum of mean photon - numbers, which are modulated by the initial phase of each mode in the state mentioned, of all the single mode coherent states light field, the state can always display the effect of generalized nonlinear equal - power n - th power y - squeezing, or present the effect of generalized nonlinear equal - power n - th power h - squeezing, that changes alternatively and periodically

    結果發現:在壓縮次數取偶數或者壓縮次數與腔模總數這兩者之積取偶數的條件下,若各模的初始相位或者各模的初始相位和、態間的初始相位差以及受各模的初始相位調制的各單模相干態光場的平均光子數之總和等分別滿足一定的取值條件,則態| ~ ( ( 4 ) ) _ q的第一和第二這兩個正交相位分量總可分別呈現出周期性變化的、西北人學碩{ _學位論文摘要廣義非線性等冪次n次方y壓縮或者等冪次n次方h壓縮效應。
  13. 6. on the base of the two - phase flow theory, the paper studies the velocity distributing of solid - liquid two - phase flow, acquires the distributing function of velocity and consistence, on the other hand, studies the loosing during flow, and gets the movement equation of solid - liquid two - phase flow. finally, the paper analyzes the flow characters of solid - gas two - phase flow, put forwards the boltzmann equation, gets the critical condition of slope angle tg a > tg ( p1, and brings forwards the relevant m

    ( 6 )分別應用二相流理論研究了固液型碎屑流流速分佈,得出了流速分佈及濃度分佈的方程式,並進一步研究了固液型碎屑流流動過程的弛豫現象,得出了固液型碎屑流的運動方程;同時,分析了固氣型碎屑流(即干碎屑流)的運動特點,給出了固氣型碎屑流的boltzmann方程,得出了干碎屑流的臨界坡角條件哈a2igs 』 ,並給出了滿足此條件下干碎屑流的運動方程。
  14. Secondly the cellulase liquid as the raw material were extracted by the aqueous two - phase. the influences of molecular weight of peg, concentrations of peg and salt, ph value, the phase volum ratio etc, the extraction rate and the partition coefficients were studied. the optimum condition was also determined

    其次以纖維素酶液為原料,用雙水相萃取技術提取纖維素酶,考察了不同分子量的高聚物聚乙二醇peg和其質量濃度、其鹽濃度、 ph值、相比等對萃取率和分配系數的影響,確定出雙水相萃取纖維素酶的最佳工藝條件。
  15. According to the working condition of electronic element, a testing system established to test the temperature variety of the electronic element surface on several kinds of radiator which designed on different structure under different working condition. on the basic of the experimental results, integrated theoretical model established which include three part : heat simulation copper block, two - phase closed thermosyphon and heat sink

    根據電子器件的運行工況,建立了散熱器性能測試系統,並對所設計的不同型式的熱管型電子器件散熱器進行了在不同工況下的性能實驗,比較了在熱流密度、風速、風溫等實驗工況發生改變的情況下各型式的熱管型電子器件散熱器中電子器件表面溫度的變化規律。
  16. The distinguishability and precision of the meter is high. but the accuracy still needs to be improved because of the complexity of water oil two - phase flow and the responding condition of the meter

    儀器具有很好的分辨力和測量精度,但由於油水兩相流動的復雜性以及與儀器響應相關的影響條件的復雜性,含水率的測量和解釋精度有待進一步提高。
  17. The results in this paper indicate that the two boundary conditions, permeable boundary condition and sealed boundary condition, of surface, permeability of the media, and surmounting loads of surface, all have influence on the dynamic response of two - phase media to a certain extent

    中國地展局工程力學研究所碩士學位論文曰. . 『 . . . . . . . . . .研究表明表面透水條件、介質滲透性、上覆荷載等因素對兩相介質的動力響應都有一定的影響。
  18. The heat flux level at which the two - phase flow instabilities onset was always decreased under rolling condition. the decreasing aptitude is about 2 % - 48 % of the normal level

    搖擺工況下的脈動起始點功率值與不搖擺工況的脈動起始點功率值相比降低了2 48 ,搖擺使系統的穩定性下降。
  19. The result indicated that the two phases in eutectic had difficulty in growing regularly on condition that the floating zone melting rate was in the scope of 0 ~ 0. 3mm / min. the matrix phase was directional grown and the other phase was grown with no order

    結果表明,在區熔速率r = 0 0 . 3mm min范圍內兩相很難形成規則共晶,其中基體相定向生長,第二相混亂生長,彌散分佈於基體中。
  20. In the text applying the theory of two - phase flow ' press - drop and diversion - phase model, having a analysis to the press characterize of the important part namely the bubble pump of the no - pump libr absorption air - condition, and set up the relational mathematical model

    本文對無泵溴化鋰吸收式空調器的關鍵部位,氣泡泵的特性按照流體力學兩相流的理論進行了分析研究,並應用兩相流的分相模型,建立了數學模型,並進行了數值模擬計算。
分享友人