濃度系數 的英文怎麼說

中文拼音 [nóngdùxìshǔ]
濃度系數 英文
concentration coefficient
  • 濃 : 形容詞1. （液體或氣體中所含的某種成分多; 稠密） dense; thick; concentrated 2. （程度深） （of degree or extent） great; strong
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 濃度 : potency; thickness; concentration; consistence; strength; consistency; density
  • 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. ( i ) in the procession of preparing na2feo4 by electrolyzing and oxidizing anodic iron in the high concentration solution of naoh, the current efficiency is directly proportional to both of the temperature and the alkaline concentration of the anolyte, and the growth rate of the na2feo4 concentration of anolyte is directly proportional to both of the electrolyzing speed and the alkaline concentration of anolyte.,

    主要結論如下： （ 1 ）在濃naoh溶液中直流電解氧化鐵陽極生成na _ 2feo _ 4溶液的過程中，電解液溫度、陽極液堿濃度與電流效率成正函數關系；電解速度、陽極液堿濃度與陽極液中na _ 2feo _ 4濃度的增長速度成正函數關系。
  3. The additional flow is formed by the device of dentoid baffle, and the application of the device of dentoid baffle cooperated with a stilling basin has been investigated by systematic model tests. based on the research results, the hydraulic problems such as the characteristics of hydrodynamic pressure and cavitation on the head of the denotid baffle, the properties of flow under the condition that the device of denotid baffle is used with a stilling basin, the hydraulic computation about a stilling basin, the estimation of energy dissipation and its various affection factors, the mechanism and effect of energy dissipation, and distributions of velocity and pressure and aerating concentration, etc, have been analyzed ; the method and step of hydraulic design of device of denotid baffle by which the additional flow is produced has also been proposed

    文中利用齒墩設施實現附加射流，對齒墩設施與消力池聯合應用進行了大量的和系統的模型試驗，分析研究了中低佛勞德數條件下，齒墩墩頭的動水壓強及空化特性，齒墩設施與消力池聯合應用時的流態特性，消力池的水力計算，消能量的估算及其各種影響因素，消能機理和效果，消力池內的流速、壓強特性，摻氣濃度分佈等水力學問題，並提出了實現附加射流齒墩設施的水力設計方法和步驟。
  4. 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。
  5. 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。
  6. It was observed that the filtrates of the bacterial culture showed significant lytic effect on blue - green algae, indicating the anti - algal effect results from the substances released by the bacteria in addition to the competitions of phosphorous between the 3 bacteria and algae. a protozoon was isolated

    這說明了在一定磷濃度下， 3株細菌與藍藻之間有磷的競爭關系；另一方面，可能啟示人們認識到，當磷濃度增加導致水華暴發時，溶藻細菌的數量也會急劇增加，起到控制水華的作用。
  7. Modbus transducer is the key device in the system and is used to offer power supply of pressure and temperature sensor, to collect signal, to linearizate and compensate temperature, to calculate density, volume and mass, to transmit data to modbus network, and display the data. so the modbus transducer is a multi - parament measurement, intelligent control device which can manage multi - signal

    變送器是系統的核心設備，其作用是為油罐溫度、壓力、液位、可燃氣濃度等傳感器供電，採集傳感器信號並進行線性化、溫度補償等處理，完成密度、體積和質量等參數計算，將數據輸出到modbus現場總線測控網路，根據需要現場顯示計測量參數。
  8. As uptake by each part of p. vittata l increased obviously with elevating as level and the ratio of pinna as concetration to root as concentration increased gradually

    隨著添加砷濃度的提高，蜈蚣草各部位的砷濃度都顯著增加，其羽葉根的富集系數也逐漸提高。
  9. Under suitable conditions, dark brown short rhombohedron crystals could be obtained from nifb mofe protein. both of the longest sides of the biggest crystal were o. lmm. the possibility and time of the formation of crystals, and number, size, quality, and shape of crystals obviously depended not only on the kinds and concentrations of the components in the crystalline solution, but also on the methods for crystallization and technical bias, etc

    對nifb ~ - mofe蛋白的結晶及晶體生長進行了的研究，初步探討了結晶溶液各組分的種類和濃度、結晶方法和實驗操作等與能否出現晶體及晶體的數目、大小、質量、形狀和出晶時間等的相互關系。
  10. This article aims at the boiler ' s problems in operation : 1 ) under nominal load, the smoke temperature at the outlet of hearth reaches 1200, far more exceeds 1050 the original designed temperature. this will always result in slag inside boiler and the temperature of overheater ' s pipe superheat, so that boiler cannot take nominal load and all these influence boiler ' s nomal operation heavily, 2 ) this article also studied the reason why the assistant oil becoming necessary when coal changes. during the nomal operation, many factors ( makeup of combustor and its disposal, smirch and encrust of water wall, excessive air coefficient, temperature of primary air, coal type and density of coal dust ) can deviate the designed working conditions, then affect the boiler ' s nomal operation

    本文針對該鍋爐在實際運行中存在的問題：在額定負荷下，爐膛出口超溫、低溫段過熱器前煙溫高達936 ，遠遠超過815的設計值；噴燃器四周水冷壁結焦嚴重，過熱器管壁溫度超標，無法帶上額定負荷；甚至有時因燃煤質量的變化，必須投油助燃的嚴重情況進行了分析研究。在實際生產過程中，燃燒器的結構、布置，水冷壁的粘污、結垢，過剩空氣系數、一次風溫、煤種及其濃度變化等許多因素都會偏離鍋爐的設計工況，從而影響爐內的傳熱和燃燒，造成爐膛出口超溫、水冷壁結渣等問題。
  11. 1. 5 m in diameter ) were dispersed in n46 engine oil with different concentrations using ultrasonic respectively in order to study their tribological properties. the tribological experiments were carried out by mq - 800 four - ball tribometer and mm - 200 ring - on - block tribometer, in which extreme pressure properties, wear scan diameter, friction coefficient and wear volume loss were measured. the results showed that oil containing mos2 nanoparticles had a better wear resistance, friction - reducing and extreme pressure than the oil containing common mos2

    將上述制備得到的納米二硫化鉬顆粒和普通二硫化鉬粉末（ 1 . 5 m ）以不同濃度分散在n46機械油中，在mq - 800四球摩擦磨損試驗機上考察它們的最大無卡咬負荷（ p _ b值） 、耐磨性能和摩擦系數；並在mm - 200摩擦磨損試驗機上，通過環?塊摩擦副，比較和分析了它們的摩擦學特性。
  12. In the second place, based on the asu of buggenum igcc plant in netherlands, both static and dynamical model for distillation tower of the asu are created and some valuable conclusions are gained as well. finally, a compartmental simplified model is created for distillation tower of the asu, in order to reduce the simulation time and increase the simulation efficiency. the new model will be helpful to the further simulation and on - line optimal control for the asu of the igcc plant

    其次，本文以荷蘭buggenum電站的空分系統為原型，基於matlab建立了空分系統精餾塔的半圖形化動、靜態數學模型，並通過模擬，得出了一些有價值的結論：當空分系統的壓力變化時，氧氣產品濃度的響應時間常數為兩小時左右，說明空分系統是igcc電站最大延遲環節；而且雖然氧氣濃度最後會穩定在igcc電站所要求的范圍之內，但在過渡過程中會超出限制，這些都為igcc電站的安全運行及控制系統設計提供了有價值的信息。
  13. The system measures photosynthesis rate by using infrared co2 gas analyze method. it has two work modes : open route and close route. it can measure the leaf photosynthesis rate, transpiration rate, stomata conductance and co2 thickness in cell clearance etc parameters about plant physiology

    本文研究設計了測定光合、蒸騰速率的主從式虛擬儀器系統，系統採用紅外線分析法測定光合速率，設置有開路和閉路兩種測定方式，可以測量植物葉片的光合速率、蒸騰速率、氣孔導度和細胞間隙co _ 2濃度等與植物光合作用相關的參數。
  14. A series of preparation conditions and parameters were systematically studied. it is concerned that the effects of prepared method of precursor, material synthesize method, fired atmosphere, fired temperature, fired time, flux kind and content, rare earth concentration and kind and matrix on the microstructure and optical storage properties of the samples. at the same time, the optical storage mechanism was discussed in certain extent

    系統地研究了一系列的工藝條件及參數，討論了前驅物制備方法、材料合成方法、灼燒氣氛、灼燒溫度、灼燒時間、助熔劑種類及含量、稀土摻雜濃度及種類、基質成分對樣品微觀結構及光存儲性能的影響，同時對樣品的光存儲機理作了一定程度的探討。
  15. Standard guide for determination of a survival curve for antimicrobial agents against selected microorganisms and calculation of a d - value and concentration coefficient

    測定抗選定微生物的抗菌劑的生存曲線和計算d值及濃度系數的標準指南
  16. The fundamental theory and equations for the pressure fluctuation are described and the wall pressure fluctuation is measured. based on the experiment data, the characteristics of pressure fluctuations are analyzed in the three - phase flow of water, air and sand. the effects of air concentration and sediment content on the amplitude and frequency of pressure fluctuations are discussed

    建立了多相流壓強脈動基本方程，闡述了水流脈動壓強基本理論，分析了壓強脈動機理；根據試驗數據，探討了水、氣、沙三相流體的壓強脈動特性，初步得到了高速含沙摻氣水流脈動壓強的幅值特性與頻域特性；提出了脈動壓強強度系數、脈動壓強極差系數與含沙量、摻氣濃度的關系。
  17. When the viscosity indexes of two components are both equal to one, the two methods are identical

    當二元體系的濃度指數都等於1時，濃度加和法和粘度加和法的結果一致。
  18. When the viscosity indexes of both components are less than one, the viscosity of mixture calculated from viscosity additivity is greater than that calculated from concentration additivity

    當二元體系的濃度指數都小於1時，粘度加和法得到的結果大於濃度加和法。
  19. When the viscosity indexes of both polymers are greater than one, the viscosity of mixture calculated from viscosity additivity is lesser than that calculated from concentration additivity

    當二元體系的濃度指數都大於1時，粘度加和法得到的結果小於濃度加和法。
  20. The relationship between two methods is quite complex when the viscosity index of one component is greater than one and the other one is less than one

    當二元體系的濃度指數一個大於1 ，一個小於1時，粘度加和法的結果在一定濃度范圍大於濃度加和法，在其他濃度范圍內小於濃度加和法。
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