活度系數 的英文怎麼說

中文拼音 [huóshǔ]
活度系數 英文
acitvity quotient
  • : Ⅰ動詞1 (生存; 有生命) live 2 [書面語](救活) save (the life of a person):活人無算 (of a goo...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : 數副詞(屢次) frequently; repeatedly
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. A method to calculate quantitatively the adsorption volume or adsorption space of per mass of adsorbent derived from both the adsorbed molecule volume and the maximum adsorbance of a solute in an adsorption isotherm under a given experimential condition is presented firstly for a solid / liquid adsorption system of the solute in a dilute aqueous solution. this method is suitable for not only mono - layer adsorption, but also mani - layer adsorption and micelle adsorpion of surfactant constructed by hydrophile and lipophile groups. therefore, the surface concentration of the adsorbate, cs, deduced from the adsorption volume is possessed of the meaning of true concentration, and the value of the patition coefficient of the adsorbate between solid and liquid phass, p, attained by the cs and the c, solution concentration of the adsorbate, can be accurate. the foregoing a set of calculations are presented for the solid - liquid adsorption systems consisted of the wool fiber and separately dodecyltrimethyl - ammonium bromide ( dtab ) and hexadecyltrimethyl - ammonium bromide ( ctab ) in this paper. this provides a strong basis for adsorption thermodynamic investigation of adsorbate

    對稀溶液中溶質的固/液吸附體,首次提出了根據吸附分子體積和實驗條件下吸附等溫線中的最大吸附量計算單位質量吸附劑的吸附體積或吸附空間的方法.此法適用於單層吸附,也適用於多層吸附和具有親水親油結構的表面性劑分子的膠團吸附.由此,吸附質的表面相濃cs具有真實濃的含義,相應地,計算得到的溶質的固/液分配p就有了準確值.分別計算由溴代十二烷基三甲銨( dtab )和溴代十六烷基三甲銨( ctab )與羊毛纖維構成的液/固體分配等,為溶質吸附的熱力學研究奠定了基礎
  2. Heat transfer coefficient,comprising convective and radioactive components may strongly depend on the actual flow enthalpy and density.

    由對流和輻射兩部分組成的熱交換極大地依賴于實際動的焓和密
  3. In this research, the plant esterase of wheat and - ethanoic acid naphthalene ester were taken as materials to inspect the relation between the wheat esterase and the organic phosphorus, ten linearity equations were established which expressed the esterase vigor and the organic phosphorus density logarithm with the change of the numerical value of ultraviolet resorption, and the monotony range and the extremum of the function were confirmed

    摘要本研究以小麥為植物酯酶的酶源, -乙酸萘酯為底物,考察了小麥酯酶與有機磷農藥之間作用的關,建立了10個以吸光值變化表示的酶性與有機磷農藥濃之間的線性方程,並確定了函的單調區間和極值。
  4. It can meet people ' s deep level mental demand. currently, the living of the urban vulnerable groups is located in a state, that is, low income, few earning, increasing deep relatively - poverty, high n modulus, inanition, basic plump, simple low - level cloth, strain family - relation, big family - burden

    當前,城市弱勢群體生狀態處于收入水平低,來源少,相對貧困程日益加深;恩格爾高,營養不足,基本肚飽,衣著簡樸,檔次偏低;家庭關緊張,家庭負擔大的狀況。
  5. At the same time the difference of the solubility to the isomeric compound anthracene and phenanthrene in the different solvents is discussed by the aspect of the activity coefficient

    同時,還對蒽、菲同分異構體在不同溶劑中的溶解的差異,從活度系數方面進行了探討。
  6. Based on kohler ' s ternary solution model and miedema ' s model for calculating the heat of formation of binary solution, the integral equation has been established for calculating activity coefficients in ternary alloys and intermetallics

    根據korler和miedema模型,推導了三元合金各組元活度系數的對稱計算公式,確定了經驗常a的值。
  7. In the semi - active damper of high - speed train, piston ' s velocity should be measured conveniency and accurately for succeeding in calculoting and adjusting the damp parameter

    摘要基於天棚原理的高速列車半主動減振器中,為實現對實際安裝減振器阻尼的計算和調整,需方便、準確地測量塞運動速
  8. The cleaning cars has seven major characteristics : 1, the vehicle design aesthetic appearance generous, simple, flexible cleaner compact cab from the sanitation workers in the rain, snow and inclement weather operations headaches ; 2, jia lu cleaning electric car gearbox is my companys patented products, latin america is characterized by heavy goods, light down - climbing and extended battery life ; 3, jia lu electric bicycle bridge cleaning car brake, the company is a patent product, is characterized by simple structure, convenient operation, maintenance easier, better braking performance ; 4, good deer electric car cleaning dustbins with low human workers the high - school, so that sanitation workers can easily handling, reversing a good sight, and reduce incidents, high safety factor ; 5, good deer electric cleaning trucks advanced electric power putter as a dump, the sanitation workers to reduce labor intensity, is characterized by fewer power failures, maintenance - free ; 6, jia lu electric vehicle using toughened glass cleaning cars, advance reversing have good vision, difficult to scratch and ensure the safety of sanitation workers ; 7, good deer by external electric car cleaning plate, a fiberglass liner internal, external characteristics : hinge not on the plate yi loose, often not dump deformation and withstand collisions, the internal use of fiberglass liner, not rust, corrosion, wear after the liner can be replaced, maintaining low cost

    該保潔車有七大特點: 1 、該車外型設計美觀大方,操作簡單靈,明凈小巧的駕駛室免除了環衛工人在雨雪等惡劣天氣作業時的煩惱; 2 、佳鹿電動保潔車變速箱是我公司的專利產品,特點是拉重貨,輕松爬坡而且省電,延長電瓶的使用壽命; 3 、佳鹿電動保潔車后橋雙輪制動,是我公司的專利產品,特點是結構簡單,操作方便,維修容易,制動性能好; 4 、佳鹿電動保潔車超低的垃圾箱符合人體工程學的高,使環衛工人能輕松地裝卸,倒車時具有良好的視線,減少事故的發生,安全高; 5 、佳鹿電動保潔車採用先進的電動推桿作為自卸動力,減輕了環衛工人的勞動強,特點是故障少功率大,免維護; 6 、佳鹿電動保潔車整車採用鋼化玻璃,前進倒車都有良好的視線,不易劃傷,保證環衛工人的安全; 7 、佳鹿電動保潔車外部採用鋼板,內部採用玻璃鋼內膽,外部特點:鉸鏈在鋼板上不易松動,經常自卸不變形,經得起碰撞,內部採用玻璃鋼內膽,不生銹、不腐蝕,磨損后內膽可以更換,維護成本低。
  9. To meet the demands for large space and flexible compartmentation of buildings, laminated vierendeel trusses are adopted in high - position transfer story structures. first the bearing characteristics are analyzed, in which reasonable stiffness ratio of the upper chord, middle chord, and lower chord is derived. then combined with an actual engineering model ( 1 8 similar ratio ), the static loading and pseudo - dynamic tests of two models for laminated vierendeel truss used in transfer story structures are conducted, in which one model adopts reinforced concrete, and the other adopts prestressed concrete and shape steel concrete. seismic behaviors are analyzed, including inter - story displacement, base shear - displacement skeleton curves, and equivalent viscosity - damping curves. a program is programmed to carry out the elasto - plastic dynamic analysis, and displacement time - history curves of the two models are derived. the test and analysis results show that the laminated vierendeel truss with prestressed concrete and shape steel concrete has excellent seismic behaviors. it can solve the disadvantages of laminated vierendeel trusses used in transfer story structures. finally, some design suggestions are put forward, which can be referenced by similar engineering

    為滿足建築物大空間和靈隔斷要求,在高位轉換層結構中採用迭層空腹桁架結構.首先分析了其受力性能,得出了空腹桁架各構件合理的截面剛以及布局形式.然後結合一實際工程,進行了兩榀迭層空腹桁架轉換結構模型( 1 : 8相似比)的豎向荷載下靜力試驗以及擬動力試驗.其中一榀為普通混凝土迭層空腹桁架,另一榀配置了預應力和鋼骨混凝土,對比分析了兩模型的層間位移比、骨架曲線以及等效粘質阻力等抗震性能的比較,並進行了彈塑性動力分析.試驗和分析結果表明,配置預應力和型鋼混凝土的迭層空腹桁架轉換結構具有良好的抗震性能,可以成功地解決迭層空腹桁架作為轉換層結構所產生的弊端問題,最後對這類轉換層結構提出了相應的設計建議
  10. In the preprocessing stage the method of user and session identification often adopt heuristic algorithm for the being of cache and agent. this induce the uncertainty of data resource. the cppc algorithm avoid the limitation and has no use for complicated hash data structure. in this algorithm, by constructing a userld - url revelant matrix similar customer groups are discovered by measuring similarity between column vectors and relevant web pages are obtained by measuring similarity between row vectors ; frequent access paths can also be discovered by further processing of the latter. experiments show the effectiveness of the algorithm. in the fourth part, this thesis bring some key techniques of data mining into web usage mining, combine the characteristic of relation database design and implement a web usage mining system wlgms with function of visible. lt can provide the user with decision support, and has good practicability

    本文演算法避免了這個缺陷,且不需要復雜的hash據結構,通過構造一個userid - uel關聯矩陣,對列向量進行相似性分析得到相似客戶群體,對行向量進行相似性量獲得相關web頁面,對後者再進一步處理得到頻繁訪問路徑。實驗結果表明了演算法的有效性。第四是本文將傳統據挖掘過程中的各種關鍵技術,引入到對web使用信息的挖掘動中,結合關據庫的特點設計並實現了一個具有可廣西人學頎士學位論義視化功能的web使用挖掘統wlgms 。
  11. Scalable video coding ( such as mpeg - 4 fgs and jvt svc ) and streaming is one of the most promising technologies. in this thesis, we investigate the key problem of scalable video coding and streaming : rate - distortion analysis and approximation, with which we also design some simple and effective smooth quality reconstruction algorithms of video streaming

    本文主要的內容和創新點包括:由於廣義高斯分佈ggd ( generalizedgaussiandistribution )的高性,理論上和實際中它都可以非常好地描述離散餘弦變換( dct )和小波變換( wavelettransform )的編碼( transformcoefficients ) 。
  12. Results : rural - to - urban migrants ' life and job condition were very bad, bat their satisfaction to their life and job west of middle degree ; the better their life and job condition, the better their psychological and physical health ; the effect of satisfaction on migrants ' psychological and physical health were much more than of life and job conditions

    結果:流動人口的生條件和工作條件較差,但對生和工作的滿意處於一般水平;生和工作條件與滿意越好的人,心身健康狀況越好;生和工作條件對情緒和身體健康狀況有顯著的影響,但是生和工作滿意的影響更大。
  13. Activity interaction coefficients in mn - fe - c melts

    熔體相互作用
  14. The results are compared with the data offered by asher. 3. the factors of compressibility of humid air are calculated by this new state equation

    計算了本文提出的熱力學參范圍內真實濕空氣的焓和熵; 5 .用eos法和活度系數法對濕空氣的汽液相平衡進行了計算。
  15. Abstract : the model parameters for uniquac and nrtl equations are obtained by using the infinite dilute activity coefficients of a component at several temperature and the nonlinear regressive technique. the vaporliquid equilibrium ( vle ) data calculated by using the parameters for uniquac or nrtl equation is agreement with that from vle experiment

    文摘:通過一個組分在不同溫下的無限稀釋活度系數,利用非線性回歸確定了四氫呋喃1 , 4丁二醇、水1 , 4丁二醇二元體的uniquac 、 nrtl溶液模型參.用所獲得的兩溶液模型參對三元氣液平衡據進行理論推算,並與實測的三元氣液平衡據進行比較,發現兩結果比較吻合
  16. The effect of gas rates, liquid flow - rates, downcomer width, weir height and the addition of surface active agent on the liquid mean residence time, t, effective diffusion coefficient, de, and froth height, hf were studied. results obtained showed that for two systems, the t in the downcomer of ctst plate is 20 - 50 % smaller than that of fl valve plate, and the de is 40 - 70 % smaller than that of fl valve plate

    通過對氣速、液體流量、降液管寬、堰高和表面性劑加入的影響進行分析得出下面結論:在相同的操作條件下,對于兩種物, ctst塔板降液管的液體停留時間比f1浮閥塔板的約小20 50 ,有效擴散比f1浮閥塔板的小40 70 ,泡沫高低110 150mm 。
  17. In the light of its special property being not easy to gain strength, through mechanics researches on different methods to stabilize this kind of low _ liquid _ limit silty soil as subbase material, evaluated both technically and economically, we have got a cement lime stabilization plan to meet the index requirements for non _ side _ limit strength of compression of subbase of class2 road stipulated in the specification ; by means of improving the workmanship, thickening the loose layer of soil, adding soil on covering weave fabric before compaction, such problems can be solved as very poor compaction, loose surface during compaction, roughness and unevenness, coats of layer and shear damages

    本文針對黃河沖積而成的低液限粉土其粘粒含量極低、土的不均勻很小、膠體性差的工程特性,通過採用不同方法穩定該類土作底基層材料的力學性能研究,從技術、經濟角綜合評價,得到滿足規范抗壓強指標要求的水泥石灰穩定方案。通過對原材料、試驗配合比設計、施工、等方面進行優化,從而顯著減輕了基層的早期及長期縮裂程,從而提高了路面的耐久性。
  18. The output axis and the piston have chosen high quality bearing which have good stability and sealing, low friction coefficient, large range of applicable temperature and long service lift

    輸出軸,塞選擇了高質量的軸承,穩定性好,密封性好,摩擦低,適用溫范圍大,使用壽命長。
  19. It is proved that the theoretical results are in good agreement with the experiment data within the range of data ' s uncertainty

    模擬結果表明,鐵球殼外表面各測點處的中子化反應率及反照在實驗據不確定范圍內符合。
  20. To solve the heat transfer boundary problem among the piston, liner, coolant and body parts, especially the temperature and heat transfer among the coolant, liner and body

    摘要為解決發動機塞組缸套冷卻水機體之間傳熱邊界條件難以確定的問題,尤其是冷卻水和缸套、機體之間的流固邊界的溫和換熱,將這幾個部件作為一個耦合統進行傳熱研究。
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