活性系數 的英文怎麼說

中文拼音 [huóxìngxìshǔ]
活性系數 英文
activity coefficient
  • 活 : 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...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 活性 : [化學] activity; active; activated活性肥料 active fertilizer; 活性酵母 active dry yeast; 活性粘土...
  • 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/液吸附體系，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活性劑分子的膠團吸附.由此，吸附質的表面相濃度cs具有真實濃度的含義，相應地，計算得到的溶質的固/液分配系數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/固體系分配系數等，為溶質吸附的熱力學研究奠定了基礎
  2. Ammonifiers in suzhou creek can not use inorganic nitrogen and carbamide as nitrogen source ; additional carbon source and garbage lixivium have little influence on ammonifiers growth ; high content of salt and low temperature restrain ammonifiers growth ; alkalescent condition has little influence on ammonifiers, but acidic condition restrain ammonifiers growth ; the biomass of ammonifiers are not necessary correlated with the function of ammonifiers, adding glucose with 1g / l content into the water sample obviously promote the growth and function of ammonifiers. physiological groups of bacteria play significant role in the translation and

    蘇州河的氨化菌無法利用無機氮和尿素作為氮源；在營養條件充足時添加額外c源和富含有機物的垃圾浸出液對氨化菌的生長基本無影響；高鹽度和低溫抑制氨化菌生長；堿性條件對氨化菌的生長影響不大，酸性條件對氨化菌生長具有抑制作用；氨化菌生物量的消長與轉氨活性之間不存在必然聯系， 1g / l的葡萄糖對蘇州河水樣中氨化菌的數量和轉氨功能具有明顯的促進作用。
  3. With 24 c or 4 c, the change trends of the content of the salidroside was basically consentaneous in the consecutive cultural eras of the callus. in the callus from the different explants, the influence was maximal to the the activity of pal enzyme and the influence was lowest to the the activity of ca4h enzyme, and the influence to the the activity of tal enzyme was ascertained according to the explant of the callus. so in the same explant with the different temperature or in the different explant with the same temperature, there was no incident between the content of the salidroside and the activity of enzymes pal, ca4h and tal, and we presumed that there may be emphasized particularly on different metabolic pathway of salidroside

    （ 2 ） 、愈傷組織的外植體來源、培養溫度條件和不同的繼代培養數都影響著其中紅景天甙的含量和苯丙氨酸解氨酶（ pal ） 、肉桂酸解氨酶（ ca4h ）和酪氨酸解氨酶（ tal ）這3種酶的活性；不管是葉來源還是莖來源，不管是24培養還是4培養的愈傷組織，在連續繼代培養中紅景天甙含量的變化趨勢基本上是一致的；無論是葉來源的愈傷組織還是莖來源的愈傷組織，培養溫度對pal酶的酶活性影響最大，對ca4h酶的酶活性影響最小，對tal酶的酶活性影響視不同的外植體來源而定；在相同外植體來源的愈傷組織中及不同的培養溫度的條件下，或是在不同外植體來源的愈傷組織中及相同溫度的培養條件下，其紅景天甙含量與pal酶、 ca4h酶和tal酶的酶活性之間沒有完全一致的對應伴隨關系。
  4. In conclusion, it is primarily described that the expectable social and economical benefits of this mis are great, and the design can be fulfilled smoothly. the difficulty of this thesis is : not only think about the coordination each other synthetically on workers, equipments, technologies, data and user ' s priorities, different project and different continuation day, but also must ensure that it is agility, controllable and safe when the data be transmitted on internet or intranet

    本管理信息系統強調是針對無形的數據信息產品（ gis等海量數據）的生產管理信息系統，不是單純的統計計算，還要實施嚴密的控制，除需要綜合考慮人員、設備、技能技術、權限、工程、工期在計劃調度統計方面的協調性外，還需要強調海量數據信息產品的原始數據、半成品、成品在網路上流動的靈活性、可控制性和安全性。
  5. 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系，建立了10個以吸光值變化表示的酶活性與有機磷農藥濃度對數之間的線性方程，並確定了函數的單調區間和極值。
  6. The particle number increased with surfactant and initiator concentration though the data are insufficient for evaluating the nature of these relationships.

    粒子數隨表面活性劑和引發劑的濃度而增加，雖然數據還不足以評價這些關系的本質。
  7. To the former, methyl oleate mainly influences the partition of surfactants in oil phase and aqueous phase by changing eacn value of oil phase

    在鹽體系中，油酸甲醴主要通過改變油相的等效烷烴磅數（ eacn ）影響表面活性劑在油水相分配。
  8. In the way of implementing software, we adopt three - layer models as the structure of the network management software, we separate the view, the controller and the model using the think of mvc, in this way, the maintenance, the restorable, the expansibility, the flexible and the encapsulate ability of the software is promoted significantly

    並在對網管軟體所要管理的數據進行分析的基礎上進行了數據庫系統的設計。對于軟體的具體實現，在軟體架構上採取三層體系結構，借鑒mvc設計模式思想將顯示，控制和業務分開，大大提高了網管軟體的可維護性，可修復性，可擴展性，靈活性以及封裝性。
  9. This flexibility, however, comes at a big cost - your system is more vulnerable to bad data

    然而，獲得這種靈活性所付出的代價相當昂貴您的系統會更容易受到壞數據的攻擊。
  10. On the basis of the characteristic of the industry waste slag, which is high added to the hsfab, different kinds of catalyzing methods are adopted to make the waste residue more active. the additive f, developed by the author can obviously improve the mechanics characteristic and durability of hsfab, especially the restraining of the drying shrinkage. based on the study of technics parameters and the problems in the manufacture, hf - 1100 series full - automatic hydraulic pressure wall brick presses is chosed to solve the problems, such as low molding pressure, low efficiency and the certified product ration

    在hsfab的研究方面，通過兩種體系hsfab （即「水泥?鋼渣?粉煤灰?爐渣」和「石灰?鋼渣?粉煤灰?爐渣」體系）的配方優化設計，使之具有良好的社會、經濟和環境效益；在高摻量工業廢渣的前提下，根據各種原料的特性，對其採用不同的活化技術，使其具有較高的活性；自研的外加劑f ，對hsfab製品的物理力學性能和耐久性能均有明顯的改善作用，尤其是對製品的乾燥收縮性能有顯著的抑制作用；通過對工藝參數的研究，結合實際生產普遍存在的問題，選取了hf - 1100系列全自動液壓墻體磚壓機，有效地解決了傳統制磚過程中常見的成型壓力低、生產效率低、產品合格率低（即「三低」現象）等問題。
  11. 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，操作簡單靈活，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度，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，安全系數高； 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度，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。
  12. The incidence matrix of activity units is chosen to calculate the numbers of controlling elements to improve the efficiency and rate of getting cohesion coefficients

    提出了用活動單元關聯矩陣圖來計算約束結構中控制元數目的方法，提高了內聚系數計算的快速性和準確性。
  13. 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活隔斷要求，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度以及布局形式.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系數等抗震性能的比較，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
  14. Analysist of correlation showed there were significant correlationship between waterlogging and tolerant characteristics of germinating seed and spring field waterlogging stress

    相關分析表明，發芽種子耐濕活力指數與花期田間濕害后的產量性狀耐濕指標具有顯著或極顯著的相關關系。
  15. At present, people usually use birefrigence and quasi - phase - matching methods to achieve higher effiency in the process of conversion. a significant advantage of quasi - phase - matching method is that the interaction is occurred through the largest element of the x ( 2 ) tensor ; the period of optical superlattice can be designed randomly, and any interaction can be matched without walk - off angle ; they are fitted to be used in frequency conversion of lower power especially. the quasi - phase - matching method has some advantages over birefrigence method, improving the efficiency of frequency conversion ; the range of frequency conversion covers its whole transperant wavelength

    由於準相位匹配技術有其獨特的優勢，可以利用非線性光學晶體的最大二階極化張量，如ppln 、 pplt 、 ppktp用的非線性極化張量都是d _ （ 33 ） ，其有效非線性系數高出普通非線性光學介質（如bbo 、 lbo 、 ktp ）一個數量級，而且可以人為靈活設計調制周期，通過周期設計其頻率變換范圍可以覆蓋準相位匹配介質的整個透明波段，選擇無走離效應，解決了常規pm難以解決的問題，拓寬了非線性晶體的應用范圍，極大地提高了頻率轉換效率，已成為非線性光學材料和固體激光器的研究熱點之一。
  16. 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度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丁二醇二元體系的uniquac 、 nrtl溶液模型參數.用所獲得的兩溶液模型參數對三元氣液平衡數據進行理論推算，並與實測的三元氣液平衡數據進行比較，發現兩結果比較吻合
  17. The phosphorus activation coefficient ( pac ) was generally lower in different soil layers and at different fertility levels in calcareous soils

    石灰性土壤中磷素活化系數pac在不同肥力土壤和不同土層中普遍較低。
  18. Some research results about the biological activity determination of drinking water biological pretreatment were also introduced

    同時，也介紹了利用生物活性參數來表徵飲用水生物預處理系統的生物活性的研究狀況。
  19. The results of changes in photochemical activity parameters and chloroplast pigments in the present study indicated that xanthophylls cycle was induced in leaves of boea hygrometrica when they were dehydrated for 8 days under very weak light condition ( 3u mol. m - 2. s - 1 ), xanthophylls cycle may play a photoprotective role in dehydrated boea leaves

    為此本研究對牛耳草葉片光系統的光化學活性參數和葉黃素循環色素在脫水復甦過程中的變化進行了分析，結果表明，在極微弱的光強（ 3 mol m ~ （ - 2 ） s ~ （ - 1 ）下，脫水8天的牛耳草葉片誘導了葉黃素循環，葉黃素循環可能介導了牛耳草葉片脫水過程中的光保護作用。
  20. For the hardware, the device is an advanced data acquisition and parallel processing system required specifically by real - time signal monitoring in power system. a multi - channel sampling and retaining circuit, which makes it possible to acquire and transform data synchronously, is designed. to make the application of the device more flexible, two communication methods are offered, i. e. rs - 232 communication and ethernet communication

    硬體設計方面，根據電力系統中數據採集和處理的實際特點，設計了信號的多通道采樣保持電路，實現了多路信號的同步采樣和快速轉換;為了提高裝置應用的靈活性，系統在通訊方式上，除了採用常用的rs - 232通訊方式，還提供了以太網通訊方式。
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