extraction ratio 中文意思是什麼

extraction ratio 解釋
採收率
  • extraction : n. 1. 抽出，拔出。2. 【化學】提取（法）；萃取（法）；回收物，提出物；精煉。3. 精選，摘要。4. 血統，家世，出身。5. 【數學】開方，求根。
  • ratio : n. （pl. ratios）1. 比，比率，比值；比例；系數。2. 【經濟學】復本位制中金銀的法定比價。vt. 1. 用比例方式表達；求出…的比值；使…成比例。2. 將（相片）按比例放大或縮小。
  1. The greatest activity could be obtained on the condition of 8 % salt concentration, 1 : 20 ratio of abomasums and butter, 30w / cm2 supersonic strength and 40min extraction time

    在食鹽濃度8 ，皺胃與提取液比例1 ： 15時，用30w cm2超聲強度提取40min ，可獲得最大的凝乳活性。
  2. As the kid chymosin was extracted by the traditional way and the buffering way at different ph values, its activity mainly depended on the salt concentration, extraction time and temperature, the ratio of buffer and abomasums and extraction times

    用傳統方法和不同ph緩沖液方法提取羔羊凝乳酶時，食鹽濃度、提取時間、提取溫度、提取液與皺胃比例、提取次數對凝乳活性有重要的影響。
  3. With the increasing salt concentration, milk - clotting activity became higher and higher, then reached its peak, and then decreased gradually ; in the early extraction, the speed was quick, the milk - clotting activity was increased obviously. after it amounted to the maximum, the activity became steadily lower steadily ; the increasing temperature in extracting could improve the extraction activity, but too high temperature could result in the denaturation and inactivation ; the greater the ratio of abomasums and butter and was, the quicker speed was when the enzymes was drawn out, and after extracting for twice, most of the enzymes in the abomasums could be drawn out

    隨著食鹽濃度增大，凝乳活性逐漸提高，當達到一定濃度后，凝乳活性又逐漸降低；在提取初期，提取速度較快，凝乳活性明顯提高，當提取達到最大值后，凝乳活性又逐漸下降；隨著提取溫度的升高，凝乳活性逐漸增大，但溫度過高時，會導致酶變性失活；隨著提取液與皺胃比例的增大，酶溶出速度加快，提取次數越多，皺胃中酶提取越充分，提取2次后，皺胃中絕大部分酶被提出。
  4. When extraction solvent acetic acid to alcohol ratio was 1 : 5, solid to liquid ratio was 1 : 15, 40, 36hours, the bacteriostasis of chilli extraction was best

    當提取劑中乙酸：乙醇為1 ： 5 ，固液比為1 : 15 ，提取溫度為40 ，時間為36小時辣椒提取物的抑茵效果最佳。
  5. Based on projective geometry, the research works about 3d invariance ' s extraction and application have been done in this thesis as following : ( 1 ) the basic theories and concepts in projective geometry are systematically summarized. it includes : the camera models of perspective imaging, projective collineation, cross ratio, a simple compare about invariance ( invariant ) among some geometry transformations, fundamental matrix, epipolar and epipolar line in epipolar geometry, and so on. ( 2 ) the calculation methods for 2d projective transformation are extended from points to multi - element, which includes points, lines, points lines and so on, to get the relationship between two projective planes

    基於射影幾何理論，論文圍繞3d不變特徵的提取和應用進行了如下的研究工作： （ 1 ）系統總結了射影幾何中的若干基礎概念，包括：透視成像的相機模型、射影對應、交比不變量、基於不同幾何變換下的不變量的簡單對比、對極幾何中的基礎矩陣、對極點、對極線等。
  6. 6 an algorithm of kurtosis signal - to - noise ratio ( ksnr ) based the mot - radiated noise polyspectrum feature extraction is presented

    6提出了基於峰度信噪比的水下h標輻射噪聲的多譜特徵提取演算法。
  7. Conclusion : choosing the mode of guiding by the experts of the third class hospitals and operating by the doctors of the second class hospitals, and choosing the methods of small incision extracapsulor catarat extraction and iol implantation in the vision rehabilitation actions, we can not only train the oculists of basic - level hospitals, but also raise the success ratio in prevention and cure blindness

    結論：採用三級醫院專家技術指導，二級醫院醫師手術的復明活動的模式和術中採用小切口白內障囊外摘除加人工晶體植入術的手術方法既能培訓基層醫院眼科醫師又能提高防盲治盲成功率。
  8. In order to study the influence factors of aoa of rose flowers, the effects of drying and extraction methods on the aoa of rose flowers were investigated. the results indicated that drying after high - temperature short - time pretreatment was rather effective to maintain their aoa ; the aoa of water extracts was stronger when the temperature was raised from 25 to 100 ; by using orthogonal test, the optimum extraction conditions of rose flowers were : solvent - 75 % ethanol ; ratio of material and solven - 1 : 10 ; extraction times - three times with 24 h at one time, at the room temperature. the extracts obtained by 75 % ethanol were fractionatedly extracted with petroleum, diethyl ether, ethyl acetate and n - butanol in turn, and the various fractions " aoa were analyzed

    為了探討玫瑰花抗氧化活性的影響因子，比較了不同乾燥方法、提取方法對其抗氧化活性的影響，發現：經短時高溫處理后再進行乾燥有利於較好地保持玫瑰花的抗氧化活性；以水作溶劑提取時， 25 100范圍內水提液的抗氧化活性隨著溫度的升高而增強；通過正交實驗篩選得到常溫下玫瑰花抗氧化活性物質的最佳提取方法為： 75乙醇為溶劑，液料比1 ： 10 ，提取3次，每次24h ； 75乙醇提取物依次用石油醚、乙醚、乙酸乙酯、正丁醇等有機溶劑進行兩相分部萃取，發現玫瑰花的抗氧化活性物質主要存在於乙酸乙酯部，說明玫瑰花抗氧化活性主要成分可能是單寧類、黃酮苷類和原花色素類化合物； 4
  9. The average mass extraction ratio of the measured resources in area a is expected to be at 31. 7 % for assumed permissible parameter and design layouts

    如按假設容許參數及設計方案計算的話， a區測定資源的平均礦體萃取率有望達31 . 7 % 。
  10. The used approximately dimensioning to approximate the mass extraction ratio guarantees stable cavities for the time of stoping and the storage of teh residual brine but consider not the behaviour of the safety layers and their mechanical integrity

    所使用的近似尺寸接近質量萃取率，從而確保了回採和儲存殘余鹵水時空穴的穩定性，但安全層及其設備的完整性未考慮在內。
  11. The effect of overburden separation dynamic development under key stratum on grouting for bed separation space was analyzed, in order to deal with the problem that the current bed separation growing technology can not prevent the key stratum from breakage, put forward the isolated section - grouting technology for overburden bed separation space, integrated the virtue of growing for bed separation space and partial extraction, the bed separation grouting bodies, key stratum and isolated section pillars were made to constitute the load - carrying body all together, and to reach the purpose of reducing subsidence effectively, increase the coal seam extraction ratio, and accelerate the development of isolated section - growing technology for overburden bed separation space

    摘要分析了關鍵層下離層動態發育對離層充填的影響，針對目前離層區充填工藝不能阻止覆巖關鍵層初次破斷的問題，提出了「覆巖離層分區隔離注漿充填」技術，它綜合離層充填與條帶開采技術的優點，通過離層區充填置換或減小分區隔離煤柱寬度，使「離層區充填體關鍵層分區隔離煤柱」形成共同承載體，從而達到有效減緩地面沉降的目的，提高了煤層采出率，促進了覆巖離層充填減沉技術的發展。
  12. According to a series of experimental data, the effect of following factors on the temperature in the ultra - low temperature box and cop are analyzed : the mixture composition, the pressure ratio and the return fluid extraction ratio of the rectifying column, the refrigeration capacity and the flow rate through throttle valve

    並根據一系列實驗結果，分析了工質配比、循環壓比及精餾柱迴流液的抽取率、加熱量和節流元件對低溫箱內溫度和系統cop的影響，為今後的進一步研究指明了方向。
  13. Also, through the spectral analysis in digital image processing, methods of geometric correction and accuracy analysis, strengthening of information and extraction of the feature information of emerging of ratio and information ; the extraction of species and division into sub - compartment by using multi - supplementary information sources " ; and from the identification ability of a compartment, division into sub - compartments, land type and species and the ability of accuracy of geomatric correction and map - drawing ; they can be used as the comprehensive assessment of the ability of landscape planning and many other aspects, and determine the adaptiue faculty of different information sources in the forest management inventory

    經過數字圖像的光譜分析、多種方法的幾何校正及精度分析、信息增強、比值及信息融合等多重技術進行特徵信息的提取，並應用dem 、林相圖和地形圖等多種輔助信息源，提取樹種、小班區劃等信息，提高了林班區劃、小班區劃、地類和樹種識別的能力與幾何校正精度、制圖能力，可用於風景區劃等方面進行綜合評價，確定不同信息源在森林資源二類清查中的適用性能力。
  14. At last, it is the part of dealing with the data is gained in experimentation. we have made the experimentations in songhua lake. in the paper, i analyze and deal with the primal data of eradiate noise to get the ratio of recognition and make a conclusion that the feature extraction arithmetic and classifier arithmetic are efficient

    本文利用兩次松花湖湖泊試驗所采哈爾濱工程大學碩士學位論文集的船舶輻射噪聲數據進行分析處理，為了驗證模糊融合分類器的分類性能，依據具體情況做了兩個分類試驗，給出各自具體的識別率，並由此得出了相應的結論，即本文所選取的特徵提取和分類器演算法基本上是有效的。
  15. 5 an algorithm of skew signal - to - noise ratio ( sksnr ) based quadratic phase dynamic coupling signal extraction is created

    5提出了基於歪度信噪比的二次相位動態耦合信號的多譜特徵提取演算法。
  16. Secondly, concerning the feature extraction of image, the corner detection algorithm based on freeman chain and the one based on area ratio are studied comparatively and an improved corner detection algorithm based on area ratio is proposed

    第二，在圖像的特徵提取方面，本文對freeman鏈碼角點檢測方法和面積比角點檢測方法進行了比較研究，提出了一種改進的面積比角點檢測方法。
  17. Au. the influence of several variables such as gold and cosolvent concentrations, shaking times, the ratio of tdmba and gold on the extraction of gold and the water concentration of the organic phase were studied. while the cosolvent ratio is more than 10 %, in the tdmba system, gold was extracted completely. the gold extraction mechanism was discussed on the bases of water concentrations of organic phases and infrared spectrum. it was found that the aggregation ratio of tdmba and au

    等因素對萃取率的影響，並研究了有機相的連續萃取有機相金含量與水含量的關系。結果表明，助溶劑體積比10 %以上時，十四烷基二甲基芐基氯化銨對金具有萃取能力強，平衡時間短的特點。季銨鹽陽離子與au cn
  18. At the stage of image recognition, a unique model of pcb fault recognition was built on methods of tree - classification and sequenntial probability ratio test, and a kind of method of m feature selection and extraction was introduced

    在圖像識別中，本文分析了常用的模式識別方法，根據樹分類法和序貫概率比檢定法的思想設計了一種獨特的pcb缺陷模式識別方法；並給出了針對各種pcb缺陷模式的特徵選擇與提取方法。
  19. Secondly the cellulase liquid as the raw material were extracted by the aqueous two - phase. the influences of molecular weight of peg, concentrations of peg and salt, ph value, the phase volum ratio etc, the extraction rate and the partition coefficients were studied. the optimum condition was also determined

    其次以纖維素酶液為原料，用雙水相萃取技術提取纖維素酶，考察了不同分子量的高聚物聚乙二醇peg和其質量濃度、其鹽濃度、 ph值、相比等對萃取率和分配系數的影響，確定出雙水相萃取纖維素酶的最佳工藝條件。
  20. Abstract : based on analyzing the mechanism of fraction for anti - extraction soil by using the results of in - side model test about wind - borned sand deposit foundation, three stressing process of the ultimate bearing capacity in soil is given, and the basic formual for anti - extraction capacily calculation is established. compared with other methods at present, the accuracy of the calculation result is several times over that of others. because the scope of application isn ' t limited by width - to - depth ratio, it is very convenient for widely application

    文摘:利用風積砂地基抗拔室內模型試驗資料，通過對抗拔土體破壞機理的全面分析，提出了土體形成極限承載力的三個受力過程，建立了擴展基礎抗拔承載力計算的基本公式，與目前其它計算方法比較，成果精度提高很多倍，而且適用范圍不受深寬比限制，便於推廣應用。
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