concentration coefficient 中文意思是什麼

concentration coefficient 解釋
濃度系數
  • concentration : n. 1. 集中。2. 【化學】提濃，蒸濃，濃縮；濃度；稠密度；【礦物】汰選，選礦，富化。3. 集中注意，專心。
  • coefficient : adj. 共同作用的。n. 1. 共同作用；協同因素。2. 【數，物】系數，率；程度。
  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. It has a high entrapment efficiency of 98. 3 %, particle size distributing within 5 - 7u m, viscid coefficient of 1432 centipoise. antigen was stable after multiple emulsion treated with gastric juice for 0. 5 - 6h. study on distribution in vivo of me revealed that me could stay for a long time in stomach and that antigen concentration in mesentery was increased with time and reached peak at 24h

    疫苗復乳的包封率為98 . 3 % ，粒徑主要分佈於2 ~ 10pm之間，集中於5一7pm ，粘度為1432厘泊，體內分佈實驗顯示， 6h胃中的抗原濃度仍很高，腸系膜淋巴結中的放射量24h最高，與胃液作用0 . 5 ~ 6小時復乳中的抗原不受影響，口服免疫小鼠后明顯提高了rhp疫苗的免疫應答水平。
  3. The sensor exhibits a linear response to c3 in the concentration range 6. 5ng / ml to 75ng / ml, correlation coefficient 0. 973. 4 ) a novel enzyme - link fluoroimmunoassay system using 2 - chloro - 10 - [ 3 - ( 4 - methyl - l - piperazinyl ) propyl ] 10h - phenothiazine ( prochlorperazine ) as substrate to determine the goat anti - igg was developed by using polystyrene ( ps ) as carrier. the hrp - labled goat anti - igg can catalyze the oxidation of prochlorperazine to cause the increasing of fluorescence

    4 ）以聚苯乙烯（ ps ）製成史持體，通過疏水性非特異吸附將igg固定在其表面，然後與gaigg和酶標gaigg進行競爭免疫反應，以雙氧水和甲哌氯丙嗪混合溶液為熒光底液，通過測定395nm處熒光增強的多少來測定gaigg的濃度，熒光響應與gaigg濃度在2n留ml到60n留ml之間呈準線性關系。
  4. Calibration graph obtained by the modified procedure for ddmbac showed good linearity and its correlation coefficient was above 0. 999. the coefficients of variation and average recovery of added ddmbac were up to the mustard. the linear concentration ranges for batch determination of ddmbac were 0. 06 ~ 3. 33mg / l

    利用改進后的方法對ddmbac的測定建立了質量控制體系，其標準曲線的相關系數大於0 . 999 ，線性良好，精密度和準確度均符合檢測要求，線性范圍為0 . 06 ~ 3 . 33mg / l 。
  5. C. the condensation temperature has negligible effect on the mean heat transfer coefficient at a same oil concentration

    同一含油率下，冷凝溫度對平均換熱系數幾乎沒有影響。
  6. C ) the condensation temperature has negligible effect on the mean heat transfer coefficient at a same oil concentration

    C ）同一含油率下，冷凝溫度對平均換熱系數幾乎沒有影響。
  7. B ) the average evaporation heat transfer coefficient decreases with the increasing of the oil concentration

    B ）不同含油率下，沸騰平均換熱系數隨質量含油率的增加而增加。
  8. C ) the evaporation temperature has negligible effect on the average evaporation heat transfer coefficient at the same oil concentration

    C ）同一含油率下，蒸發溫度對平均換熱系數影響不大。
  9. Abstract : 145 samples of eight plants were collected from lanmuchang and yangjiawan and quantitative analyses were made of the ore - forming elements in the plant ashes. considering the three principles of the plant indicator for mineral exploration, namely certainty, sensitivity and feasibility, this paper evaluates comprehensively the indicating functions of the eight plants, on the basis of some quantitative indexes such as the relation coefficient between plant ash and ore - forming element, concentration coefficient, etc. it also discusses the relationships between the anomaly of plant ashes and the fault zone, alteration zone mineralization zone and orebody, showing the significance of these plants to the prospecting

    文摘:在濫木廠和楊家灣鉈（汞）礦床（點）對芒箕、南燭、榔榆、大金發蘚、蜈蚣草、石松、黃花草、醉魚草等8種植物取樣145件，在提出確定找礦有效指示植物三原則（確定性，敏感性，可行性）的基礎上，依據植物灰分與底質成礦元素相關系數、植物灰分富集系數和襯度系數，較全面地分析和評價了8種植物的找礦功能；討論了其異常的分佈與斷裂帶、蝕變帶、礦化帶以及工業礦化（礦體）之間的關系，並指出了其找礦意義。
  10. B. the mean condensation heat transfer coefficient decreases with the increase of the oil concentration

    不同含油率下，冷凝平均換熱系數隨著質量含油率的增加而降低。
  11. B ) the mean condensation heat transfer coefficient decreases with the increase of the oil concentration

    B ）不同含油率下，冷凝平均換熱系數隨著質量含油率的增加而降低。
  12. On the basis of theory analysis, the average transmitted light intensity ( correspond to dc value ) was determined as characteristic parameter of raw water using photoelectric method for monitoring the fluctuation of transmitted light and photometric dispersion analyzer ( pda ). the dc value was closely related to both particle concentration and surface area of sand clay simultaneously. the experimental results shows that there is an exponential function relation between dc and surface area of sand clay in unit volume water ( sp ) : dc = asbp in which a and b are empirical coefficients. then the formula of macromolecule flocculant dosage is found to be d = f ( dc ) = e ( dc ) f in which e and / are empirical coefficients and the average correlation coefficient equal to 0. 981. so the model of automatical control system of water treatment plant was established using the formula

    應用透光率脈動檢測技術和光散射顆粒粒度分析儀（ pda ） ，通過理論分析，將pda的輸出信號之一? ?平均透光強度（對應于dc值）作為原水的特性表徵參數， dc值可以同時反映顆粒濃度和比表面積因素的影響，試驗結果證明， dc值與單位體積水中泥沙顆粒總表面積s _ p之間具有很好的冪函數關系： dc = cs _ p ~ d ，式中c 、 d為經驗系數，進而得到了以dc值為參數的高分子絮凝劑投藥量公式： d = f （ dc ） = e （ dc ） ~ f ，式中： e 、 f為經驗系數，平均相關系數達0 . 981 ，利用所建立的公式，建立了前饋? ?后饋聯合控制的在線自動投藥模型。
  13. Based on stress concentration coefficient, fatigue notch coefficient, fatigue limit and range of allowed stress are obtained

    在k研究工作的基礎上，求得相應的疲勞缺口系數k _ f ，進而推定高強螺栓的疲勞極限應力幅及其允許應力幅。
  14. In this research, through the test in geometric parameter and resistance performance, and comparison between random and other stacked packing, pvc screw thread oblique corrugated plate have more advantage. combined with test and theoretic calculate, determined the heat and mass transfer coefficient, obtained the influence relationship between inlet air flow rate, temperature and humidity, inlet liquid desiccate flow rate, temperature and concentration with outlet air humidity in dehumidifier, provided consideration for equipment design and production

    通過對除濕塔的現場測試並結合理論計算，確定其熱質交換系數，並分析得出採用pvc螺紋斜波紋板填料的一定結構的除濕塔，處理空氣的風量、入口溫度和含濕量及除濕溶液流量、入口溫度和濃度對空氣出口含濕量的影響關系，為除濕設備的設計和指導生產運行提供參考。
  15. The simulation result shows that vadose zone can rigorously retard those nuclides with vigorous adsorbility, i. e. the bigger the nuclide decay coefficient is, the more the nuclide is retarded in vadose zone and the less the nuclide concentration in aquifer is, and that the distribution coefficient directive affects the form of the nuclide concentration curve in an aquifer

    數值模擬結果表明：包氣帶對于吸附性較強的核素具有很大的阻滯作用，對于低分配系數的核素阻滯作用較弱；衰變系數對含水層中核素的遷移起到了重要作用，隨著衰變系數的增大，地下含水層中的核素體積濃度逐漸降低，並且分配系數的大小直接影響著核素在含水層中體積濃度分佈曲線的形狀。
  16. Abstract : the lubricating condition of cold rolling is affected by many factors. this paper shows the relationship between the friction coefficient and three rolling parameters, such as rolling speed, reduction and concentration of rolling lubricating oil

    文摘:主要研究了在冷軋過程中，軋機輥縫摩擦系數受軋制速度、相對壓下量以及乳化液濃度因素影響的變化規律。
  17. 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
  18. Based on ansys, this paper studies stress concentration on single notch of eight kinds of high strength bolts used in grid structure, obtaining their stress concentration coefficients, discussing the effect of ascending angle, bottom radius of screw thread and bolt - ball on stress concentration, introducing their effect coefficients of a1, a2, a3, putting forward the formulae of stress concentration coefficient

    本文以ansys有限元軟體為研究手段，針對網架螺栓球節點的8種螺栓規格進行單缺口應力集中分析，定量求得相應的應力集中系數k _ t ；論述了螺紋升角、螺紋牙根圓角半徑r及球栓直徑比d / d對k _ t的影響，並引入相應的影響系數_ 1 、 _ 2及_ 3 ，最終提出了應力集中系數k的計算公式。
  19. Moreover, various loading statuses were reviewed, and their influence on stress concentration coefficient of the hole - edge were discussed

    並針對不同的荷載狀況，以及它們對矩形和八邊形孔邊應力集中系數的影響進行探討。
  20. The study on the stress concentration coefficient of the composite laminates with a circle hole

    帶圓孔復合材料層合板應力集中系數的研究
分享友人
分享到 Line

分享到臉書