concentration index 中文意思是什麼

concentration index 解釋
集中系數
  • 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。
  • index : n （pl es dices ）1 索引。2 指標，標準，標志。3 示[食]指 （＝index finger）。4 指數。5 【印刷】指...
  1. Trial 2, effect of supplemental copper of different type on nutrition and specific immunity of mice - ii the grouping of trialt animal was the same as trial 1, at the first day, second day, third day, one mouse was injected with pha brine fluid for 10mg / kg avoirdupois after weighing in the same time in each repeat, following the 7d, 14d, 21d, 8d feeding period, after weighing, blood was made, wrigh - giemsa coloration, counting the number of lymphocyte female cell and overage lymphocyte, index of immune organ, copper concentration in liver and spleen

    試驗二，不同形式銅對小鼠營養與特異性免疫功能的作用-試驗動物分組同試驗一，進入正式試驗期后，在每周第1天、 2天、 3天同一時間每重復選取1隻小鼠，稱重后每天按10mg kg體重肌肉注射一次植物血凝素生理鹽水溶液，並於試驗第7天、 14天、 21天、 28天稱重后尾尖取血，姬姆薩-瑞氏染色，計算t淋巴細胞轉化率，計算免疫器官指數，測定肝臟、脾臟銅含量。
  2. The regulation showed : land use diversity and combination types of land use were increased from suburb to distant suburb plain and half coteau. the opposition trend was presented on the change of the concentration index of land use. as distant suburb coteau was controlled by the background of mountain, the land use diversity index was minimum and the concentration index was maximum

    北京市土地利用格局的區域差異呈現如下規律：土地利用多樣性和土地利用組合類型數由近郊向遠郊平原、遠郊半山區依次遞增；土地利用的集中程度則剛好相反；遠郊山區由於受大環境背景山地控制，土地利用多樣性在各區中是最小的，而集中程度則是最大的。
  3. Methods with the content of the gentionpicrin as the index, the orthogonal test method was used for studying the effect of four factors ( alcohol concentration, the amount of alcohol, digestion times, extracting time ) on extracting rate

    方法：採用正交試驗法，以龍膽苦苷為檢測指標，用正交試驗考察4種因素（乙醇濃度、溶媒用量、浸提次數、提取時間）葉其含量的影響。
  4. The distribution of concentration still obeys the diffusion law, only the efftects of the group particle fall velocity and the dispersive force on the diffusion index z1 shall be considered

    懸沙濃度分佈仍遵循擴散定律，但擴散指教z1將受到顆粒群體沉速和離散力的影響， -般為y的函數。
  5. The results showed : ( 1 ) the activity concentration of 95zr in water reduced quickly for subsidence, soil absorption, crucian intake, hornwort ' s absorption and adsorption. the dynamics of its disappearance accorded with binomial index regression law : cw. = 43. 36e - 1. 74t ' + 12. 85e - 0. 15 ( 2 ) the hornwort had stro

    結果表明: （ l ）從水體中引入的95zr由於沉降、土壤吸附、被魚體攝入和金魚藻的吸收、吸附作用使水體中的gszr比活度呈快速下降，其消失動態符合二項指數衰減規律， cw = 43 . 36e . ， . 74t + 12 . 85e一住『 」 。
  6. In this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes

    本文將水質預測及水污染控制措施有機地結合，選取水環境容量和污染指數作為水污染控制的參數.這樣，一維對流-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進，因為其採用四點隱格式對水質進行預測，推求可接納污染物的環境容量值及為保證水質而限定的污染物濃度值，從而制定相應的水污染控制措施.為整體考慮各種污染物的情況，建議採用河流的污染指數進而推求綜合污染指數.總之，本研究為水質保護提供了科學的計算方法，該法對水污染控制及污水對河道水質的影響是實用有效的
  7. Abstract : in this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes

    文摘:本文將水質預測及水污染控制措施有機地結合，選取水環境容量和污染指數作為水污染控制的參數.這樣，一維對流-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進，因為其採用四點隱格式對水質進行預測，推求可接納污染物的環境容量值及為保證水質而限定的污染物濃度值，從而制定相應的水污染控制措施.為整體考慮各種污染物的情況，建議採用河流的污染指數進而推求綜合污染指數.總之，本研究為水質保護提供了科學的計算方法，該法對水污染控制及污水對河道水質的影響是實用有效的
  8. Abstract : a review for improvement and current situation about the dressing, metallurgy of platinum ores, a technical line and principal principle of treating the mineral intergrowth, technical index of floatation concentration, technical problems and troubles of treating the floatation concentrate by the hydrometallurgy

    文摘:評述了原生鉑礦選冶技術發展現狀，處理該類共生資源的技術路線和基本原則及其浮選富集工藝指標，濕法冶金處理浮選精礦的技術問題和難點。
  9. The diversity index showed that neca > pca > cka, and so did the evenness index. the dominant concentration index showed that cka > pca > neck. so the stability of the arthropod community in neca is best and that in cka is worst in the three areas

    同時，常規對照棉田中時有發現的紅鈴蟲（ peetinophoragossypxellasaunders ） 、玉米螟（ ostriniafurnaeali : （ euenee ） ） ，在轉bt墓因棉田中沒有發生，表明轉bt基因棉對棉田中大多數鱗翅目害蟲具有良好的抗性
  10. In chapter four, on the basis of taking up a great amount of first hand information, the article for the first time puts forward original degree of concentration index numerical value ( 1990 - 2001 ) of china coal industrial market and has engaged more objective analysis and appraisal in relation to so such sensitive problems as influence factor, market structure positioning, especially the orientation of industry policy and enterprise restructure and expansion and has figured out the core content of the article

    同時，在佔有大量一手資料的基礎上，第一次公開推出原創性的中國煤炭產業市場集中度指標數值（ 1990 - 2001年） ，並對其影響因素、市場結構定位，尤其是產業政策取向和企業重組擴張等敏感性問題進行了較為客觀的分析和評價，構造出本論文的核心內容。作為最大的發展中國家，中國歷經10餘年的煤炭市場化實踐，出現了許多值得認真研究並需合理解釋的現實問題。
  11. With the yield of concentration of sulfur compound as the evaluation index, the contrast between onion essential oil and onion oleoresin from dried onion powder by steam distillation, solvent extraction and soxhlet method was studied

    摘要以洋蔥粉為研究對象，以含硫化合物濃度為評價指標，採用水蒸汽蒸餾、溶劑萃取法和索氏提取法進行洋蔥精油與油樹脂的比較研究。
  12. The main factors influencing the accuracy of the determination of permanganate index, include acidity of sample, water distilled water quality, potassium permanganate concentration, water bath temperature and titration time

    摘要影響高錳酸鹽指數測定準確性的主要因素有樣品酸度、蒸餾水水質、高錳酸鉀溶液濃度、水浴加熱溫度和滴定時間。
  13. Abstract : design ideas, technical features and system architectures of advanced process control for polypropelene units were introduced together wit h on - line calculations for the controlled variables such as the yield of polypr opelene, concentration of monomer, hydrogen concentration in liquid phase and the melt flow rate index. attentions in implementation were pointed out

    文摘:介紹聚丙烯裝置先進控制技術的設計思想、技術特點和系統構成，並介紹產率、漿液濃度、液相氫氣濃度、熔體流動指數等被控變量的在線計算，指出了實施中應注意的問題。
  14. It was found that three polysaccharides had no effect on growth performance of broilers relative to the control during the 28day trial, but affected the immunity in a different way ; they all increased bursa index significantly ( p < 0. 01 ), achyranthan ( ach ) also increased hi titers significantly ( p < 0. 05 ) and lymphocyte proliferation ( p = 0. 12 ), three polysaccharide also significantly affected serum index, they increased serum albumin and calcium concentration significantly. the result indicates that smaller molecular weight polysaccharide may be more effective than larger ones in stimulating immunity when administered orally

    研究發現：三種多糖對肉雞生產性能無顯著影響，但對免疫功能有一定影響：三種多糖均顯著提高了法氏囊指數（ p 0 . 01 ） ，牛膝多糖還顯著提高了肉雞新城疫抗體滴度（ p 0 . 05 ） ，對外周血淋巴細胞轉化率也有一定影響，但差異不顯著（ p = 0 . 12 ） ，三種多糖對肉雞anae陽性率及脾臟、胸腺指數均無顯著影響。
  15. Then each characteristics of phosphate glass are presented. the best gain material is also obtained by melting chemic materials in special proportion. and the refractive index is 1. 547513, converted temperature is 426 c and erbium ion concentration is 2. 9 g / cm3 through measurement

    測得磷酸鹽增益玻璃材料的折射率為1 . 547513 、轉變溫度為426 c ，玻璃密度為2 . 9g / cm3 ，而且還對玻璃的化學穩定性也進行了測試。
  16. The main effect factors include : 1. microbial species, which seem to have different degradation rate under varied circumstances and n - alkanes ; 2. physical and chemical properties of crude oil itself, which have an important effect on biodegradation, such as conglutination, boiling point, refractive index, ingredient and concentration of the oil ; and 3. culture condition of microorganism, under which the degrading activity of microorganism will be affected by surfactant, light condition, sorbent, nutrition, co - metabolite, oxygen, temperature and salinity during the inoculation of selected or indigenous microorganisms

    其中主要影響因素包括：菌種的影響，菌種在不同的環境中和對不同碳鏈長度的碳氫化合物表現出不同的降解效率；石油物質本身物理化學特性的影響，如石油物質在水體或土壤中的濃度以及石油的粘度、沸點、折射率等特性；生存環境條件的影響，在接種入高效率的降解菌或利用土著微生物進行降解時，降解率受到生存環境中各種條件的影響，如表面活性劑、光照條件、吸附劑的利用、營養鹽、共代謝底物、氧氣、溫度、鹽度等。
  17. As concentration of salt solution increased, the vigor index, germination index and the length of shoot and radical gradually decreased. the radicle was sensitive to salt stress and had low tolerance. it can be concluded that p. hendersonii has high salt tolerance, h. strobilaceum has low salt tolerance

    隨著鹽溶液濃度的升高，大葉白麻和鹽節木種子的活力指數和發芽指數下降，幼芽和幼根的長度逐漸變短，幼根對鹽分脅迫敏感，忍耐力不強。
  18. The tests of e - o applications by our flux ktp has been realized, the results showed : optical waveguides fabricated by using an ion - exchange process, which have an exchange - ion concentration depth profile and refractive - index profile, is close to a complementary error - function distribution, optical homogeneity and device thermal stability is much better. amplitude modulation switch formed by our flux ktp has the contrast ratio of 150 : 1 and insert loss is 2. 5 % at 1064 nm. high quality optical pulse with 1 ns width was cut successfully by using an e - o modulator from a laser pulse with 50 ns width, this modulator had run for three years, and the crystal did n ' t blackened, it showed our low conductivity flux ktp can endure high modulation voltage for a very long time

    Ktp晶體的電光應用試驗表明：用離子交換法製作的電光波導，其離子交換濃度、折射率變化符合餘弦誤差函數，光學均勻性以及器件的溫度穩定性較好；製作的強度調制電光開關，消光比為150 ： 1 ，對1064nm激光的插入損耗為2 . 5 ；製作的電光調制器用於激光脈沖整形試驗，從脈沖寬度50ns的激光脈沖削出脈寬1ns的高質量光脈沖，該電光開關經過長達三年多的使用，沒有出現晶體變黑現象，說明本實驗的低電導率ktp晶體能夠耐受長時間的調制電壓。
  19. By dynamic comparing china ' s concentration index with america ' s, the conclusion is china ' s trade concentration contacts with the china - japan trade friction. the range of china ' s fluctuate is far more than america ' s. the deep reason behind it is two countries " different status in japan ' s trade income and expenses. 2002 ca n ' t see much difference in concentration index of two countries

    通過對中美兩國1992 ? 2002年輸日農產品貿易集中度的動態分析與比較，得出的結論是我國輸日農產品市場集中度的人小與中日兩國間的農產品貿易摩擦相聯系，其波動性幅度要遠高於美國市場，我國處于日本貿易收支的逆差國地位，是日本發動貿易摩擦的深層原因。
  20. Aci allowable concentration index

    允許濃度指數
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