表面張力數 的英文怎麼說
中文拼音 [biǎomiànzhānglìshǔ]
表面張力數
英文
surface tension number- 表 : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
- 面 : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
- 張 : Ⅰ動詞1 [書面語] (給弓或樂器上弦) fix (a bowstring); string (a musical instrument) 2 (分開;...
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 數 : 數副詞(屢次) frequently; repeatedly
- 表面 : surface; superficies; boundary; face; rind; sheet; skin; outside; appearance
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This paper is intended to make a comparison and analysis of a series of diagraph data by using a simple device to measue the tension coefficient of liquid surface
摘要用簡易裝置測液體表面張力系數,得出一系列數據,通過用不同的數據處理方法得出結果,對結果進行比較、分析。A new diagraph surface tension with the device of surface tension coefficient has been developed in order to cultivate the working abilities and deepen the students ' understanding of the impression to the liquid surface tension with comprehend
摘要本文為培養學生動手能力和加深學生對液體表面張力的印象和理解,研製出一種新的測量表面張力和表面張力系數的裝置,並從原理和實際操作中作了詳細的說明。Moreover, the resulted prediction model of foam size of the closed cell aluminum foam was verified by comparison to the experimental results from the foaming process at different foaming conditions, and the predicted bubble diameter is in good agreement with the experimental ones, the relative error distributes between - 5. 04 % and 6. 32 %
當入射空氣的壓強、氣流量,液面高度,出氣孔直徑增大時,氣泡直徑隨之增大;當出氣孔數量,液體粘度增大時,氣泡直徑減小,表面張力對氣泡直徑的影響可以忽略不計;靜態條件下液體表面氣泡直徑的預測值和實驗測量值符合得較好,相對誤差分佈在- 5 . 04 % ~ 6 . 32 %之間。According to dynamical characteristic of the bubble motion in the flow field, and under the assumptions of isothermal system without interior heat source, uniform bubble size, and ignoring surface tension, the mathematical expressions for interfacial momentum exchanges have been deduced which include drag, virtual mass force, and lift
針對氣液泡狀流中氣泡運動力學特性,在系統絕熱、無內熱源、忽略表面張力、氣泡尺寸均一前提下建立了氣液相間曳力、虛質量力、升力的數學模型表達式。Water has higher melting point, boiling point, heat of vaporization, heat of fusion and surface tension than comparable hydrides such as hydrogen suiphide or ammonia or most liquids
與氫硫化物、氨水或其他大多數的液體相比,水具有較高的熔點、沸點、蒸發比熱、熔解熱和表面張力。The distributions of the local density, thickness, temperature, tangential and normal stress and surface tension were acquired by the study of liquid - vapor interface. these simulated data agree well with corresponding experimental data and the md simulation results from other authors, consequently it is proved that the model and simulation method in the paper are correct
對汽液界面進行了分子動力學研究,獲得了汽液界面局域的密度、厚度、溫度、切向應力和法向應力以及表面張力的分佈,並把這些數據與相應的實驗數據和其他作者的模擬結果相比較,吻合較好,從而證明了本文所採用的模擬方法和模擬模型是正確的。The effects of meor include as follows : being favorable to oil - gas percolation, changing wettability of rocks, improving hydrocarbon migration, reducing surface tension of emulsified oil, decreasing crude viscosity and improving sweep efficiency, etc
採油微生物具有自身的優勢,有利於油氣滲流及提高採收率,尤其是微生物能改變巖石潤濕性、改善油氣運移、乳化原油降低表面張力,微生物及代謝產物還對原油具有降粘作用,對地層水產生有利影響,提高波及系數。The development of mass transfer in the system of vapor - liquid - liquid three - phase distillation from trays was introduced, the effects of the hydrodynamic conditions e. g. vapor velocity and ratio of liquid to vapor loading and physical properties of liquid phase, including surface tension, interfacial tension, viscosity or dispersion viscosity, density, relative volatility etc. and the volume ratio of oil to water on mass transfer were discussed systematically, the influence of the second liquid on mass transfer efficiency was also investigated, a gnat deal of viewpoints and suggestions having been put forward in this paper are significant important for optimizing design of distillation tower
摘要介紹了氣液液三相精餾塔板傳質性能研究的進展情況,討論了氣速、液氣比等操作條件,表面張力、界面張力、液體的粘度或分散粘度、密度和相對揮發度等物系性質以及油水體積比等多種參數對傳質效率的影響,探討了第二液相的存在對傳質的影響,文中的許多觀點獲和建議對于優化精餾塔的設計具有重要的指導意義。The neutral buoyancy test was introduced in this paper, the unsteady flow analysis was presented
對表面張力貯箱試驗,提出採用中性浮力的實驗方法,介紹了相似參數的應用。The author makes a mathematics model by viscous hydrodynamics and so on theories of the flowing material a and b on the board, and deduces the formulas of the film thickness and perfusion measure. i also analyze the surface tension of liquid, in order to find out the best technical parameters and to control
作者利用粘性流體力學等理論建立了a 、 b混合料在太陽能電池板上流動的數學模型,從而推導出薄膜的厚度和灌注量的計算公式,並對所形成液面的表面張力進行分析,以找出最佳的技術參數,以便對其進行控制。On the design of the instrument software, because the computer data process system of the first and second kinds of products run in the dos environment, which is written by the language of the basic. it is proved in the dos environment that data is processed slowly, man - machine interface is n ' t friend and operation is n ' t convenient. what ' s more, the code of program written by the basic is changed easily by accident by user, which does n ' t adapt to production and commodity of the instrument. therefore, we have developed with visual c + + language a suit of data process soft system supported by windows 95 / windows 98 / windows nt in the third kind of the sample instrument. the developed software system has good reliability, friendly user interface and convenient operation
另外為了進一步擴大儀器的測量范圍,我們將第三代產品的使用擴展到對各種液體表面張力的測試,並進行kd -型樣機的製作,以供第三軍醫大學燒傷研究所作人和動物呼吸道燒傷的實驗研究。在儀器的硬體設計方面,我們力求做到結構緊湊,性能穩定,重復性好,且成本低廉。在儀器的軟體設計方面,由於第一和第二代產品的計算機數據處理系統是運行在dos環境下,用basic語言編寫的程序。The experimental results indicates that the secondary mass flow increases with increasing of primary mass flow rate, but the bypass decrease because the primary mass flow rate increase more rapidly than secondary mass flow. the expansion configuration shows low thrust property due to low pressure in flow path. the secondary nozzle changes the pressure distribution in ejector combustor, and decreases bypass ratio, but obtain more completely mixing
結果表明:二次流流量隨著一次流流量的增加而增加,由於二次流流量的增加速度低於一次流,引射系數減小;在純擴張式結構實驗中,引射燃燒室壓強很低,難以實驗推力增強;二次噴管改變了引射燃燒室的壓強分佈,降低了引射系數,改善了混合狀況能;對于本文的實驗結構,存在一個最優的二次噴管出口面積,使引射火箭推力最大,同數值模擬結果相吻合。This paper uses the method of tensor to proof the tenable condition of generalized plastic potential, discuss the mathematical essential of the associated and disassociated flow rule and the relation of the yield surface and plastic potential surface, reason the expression of plastic factor strictly. debate the limitation on drucker ' s postulate. subsequently, this paper gives the mathematical basis of constitutive theory involving the rotation of principal stress axes. so it is proved that the mathematical and mechanical foundation of the generalized plastic mechanic
本文運用張量的方法論證了廣義塑性位勢理論成立的充要條件,討論了關聯與非關聯流到法則的數學實質,屈服面與塑性勢面的關系,嚴密推導了塑性因子的表達式,討論了drucker公設的局限性,並給出了考慮主應力軸旋轉時土體本構模型理論的數學依據,系統的論證了廣義塑性力學成立的數學力學基礎。The dynamic surface pressure was obtained according to experimental data
根據所測非平衡張力,對應動態表面壓力數據也進行了計算。America set up a poker museum in cmcmnat ; of - in 1984. and stoued - thousand decks of poker and 70 thousand which are not integrative. it is said it is the largest collection site of poker in the world. some of the oldest and the most valuable poker are collected in morgan museum in newyork. poker collections also take place in the notional library on paris, and two sites in england, the great england museum and the gilld hall, so do vienna, nuremberg, dresden, munich, and buelapest. augsburg city in german is well known as " poker city " for poker production. poker museum and poker france also stand there. the first poker museum in gave its opening ceremony on 17th dec. 1999. it situates in - of the souehern paris it is rich or 8, 500 set of collections, mcluding 5, 000 sets of poker, 800 pieces of printing plate, drawinigs and acher is ement, about 1, 000 set of other things in relation to poker, the mose valuable collection is " farrari car " painted with - produced in 15th centrury. they goe it on the oction at the price of 750 thousand franc in 1967. and theothers are as follows, the best painting of manufactual in dustry in paris in 16th centrury. a typeset table in 17th centrury, the only existing luxury copy. of 1967, and two sets of poker prineed with 4 suits of ballet fashion
根據專業市場研究公司的分析和預測,如果我們把電視傳媒報紙雜志媒體廣播媒體網際網路媒體稱為「主要媒體」 ,經過未來數年的快速發展,廣告撲克將成為「次媒體」中最具影響力的表現形式。其實,廣告撲克的賣點之清晰市場之廣闊前景之巨大,並不需要專家來研究和預測,只要我們注意到以下事實就深信不疑:一盒名片100張,一般的價格為15 30元盒,最低的價格為10元,平均每張名片的價格為0 . 1元到0 . 3元一張a4的銅版紙雙面彩頁,價格在1 . 0元左右,可是辛辛苦苦製作的彩頁大多是被隨客戶隨手扔掉,在展覽會上經常看見這種現象。與彩頁相比, 54張撲克的面積是a4紙的5 . 5倍,宣傳持續時間長得多。分享友人