extraction efficiency 中文意思是什麼

extraction efficiency 解釋
抽提效率
  • 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。
  • efficiency : n. 1. 功效。2. 效率；效能；實力，能力。3. 【物理學】性能。
  1. Abstract : the total quantity of perylene quinonoids in hypocrella bambusae ( b. et br. ) sacc., shiraia bambusicola p. henn and culture substance of ascomycetes hypocreacae ( fr ) tul. sp. were determined with spectrophotometric methods. the relative extraction efficiency were studied when ethanol, acetone and chloroform were used as solvents. among them acetone was the best one

    文摘:用分光光度法測定了竹紅菌、竹黃和菌寄生菌培養物中?醌類化合物的總量；同時研究了以無水乙醇、丙酮和氯仿為溶劑提取?醌類化合物的相對效率，結果發現以丙酮為溶劑最合適。
  2. The respectively and the extraction efficiency of drugs in blood and urine were 95. 8 - 98. 5 % ( barbitone 68. 83 - 69. 94 % ), viscera were 83. 2 - 91. 2 % ( barbitone 60. 02 - 67. 32 % )

    5范圍內：臟器檢材除巴比妥茬取率為60刀2 67 32以外，其餘藥物革取率均在83二gi二范圍內。
  3. Our experiments showed that the methed has many advantages, such as high extraction efficiency, simply process, less pollution, and the cost is smoll etc. but extraction quotiety of the dark brown pigment differ from walnut epicarp of the three made of dryness

    色素溶液的吸光度隨波長增加而減小的趨勢相同，色素的水溶性，耐氧化一還原性，耐光性，鹽、蔗糖、金屬離子對色素的色澤的影響基本相似。
  4. The equipment can be used in the immersion, heat regurgitation, the extraction of aromatic ingredient, the recovery and forced circular extraction of residue organic menstruum and pot countercurrent extraction of traditional chinese drug, foodstuff and chemical industries with advantages of high efficiency and convenient operation

    本設備用於中藥食品化工行業的常壓水煎溫浸熱迴流強制循環滲透芳香油提取及有機溶媒回收等多種工藝操作。具有效率高操作方便等優點。機組裝置選材優良，廣泛應用於制藥食品化工等行業揮發油的提取。
  5. Thirdly, according as the difference of precision, we may short the steps of edge extraction and improve the efficiency of algorithm with dilation algorithm. at last, with felicitical using algorithm of scanning beam, we attain the rigor edge image with texture

    2 ）在邊界連接中，根據對實際情況的研究，提出了一種具有通用意義邊界連接演算法3 ）根據精度要求的不同，可以利用膨脹演算法簡化輪廓提取的步驟，以提高演算法的時間效率。
  6. For improving the extraction efficiency of anthocyanins, inactivate these substances is needed during raw material processing and pigment extraction

    在色素提取時要首先將這些活性物質鈍化，以提高花青素的產率。
  7. The conventional methods for mining such seams including the longwall blasting and block caving suffer form the drawbacks of being low in recovery, high in labor intensity and low in efficiency. after shifting to the use of the fully - mechanized extraction system by the zhaogezhuang branch mining industry co. of kailuan ( group ) co., the mining of the pitching seams has met with remarkbable social and economic result

    針對大傾角煤層長壁炮采、落垛等採煤方法，存在回採率較低、員工勞動強度大、高產高效受限及安全等諸多問題，開灤（集團）趙各莊礦業分公司在探討大傾角煤層採煤工藝的改革及實踐大傾角煤層綜合機械化採煤過程中，取得了較好的社會經濟效益。
  8. 1, q 3, and at last prove the exisitence of ( q, m + n, n, m ) resilient functions when n > q ? 1. intelligentized ids methods, which can make the system more adaptability and self - studying, are important research directions of ids so far. in order to make the ids systems have better identifying ability and efficiency against new intrusions, we propose the intrusion feature extra - ction algorithm based on ikpca by studying the different kinds of intrusion detection feature extraction algorithm based on unsupervised learning, and then theoretically analysis the conver - gence of the algorithm. in addition, we validate the validity of the algorithm by means of experim - ents ; at the same time, through studying ica and neural networks, we propose fastica - nn ids, and then test the kddcup99 10 % date set to make comparison of kpca 、 ikpca and fastica algorithms in intrusion detection advantages and disadvantages

    為了使入侵檢測系統對新的入侵行為有更好的識別能力和識別效率，本文在研究了各種基於無監督學習的入侵檢測特徵提取方法的基礎上，提出了基於增量核主成份分析（ ikpca ）的入侵檢測特徵提取方法，並對該方法進行了收斂性分析，同時結合模擬試驗對其正確性進行了驗證;另外，本文通過研究獨立成份分析和神經網路，提出了基於快速獨立成份分析和神經網路的入侵檢測方法（ fastica - nnids ） ，並通過對kddcup99的10 %數據集的檢測比較了核主成份分析（ kpca ） 、增量核主成份分析（ ikpca ）和快速獨立成份分析（ fastica ）在入侵檢測特徵提取方面的優缺點。
  9. The feature parameter extraction methods of the underwater target are studied which can improve the performance of the underwater acoustic countermeasure equipments. several feature extraction methods such as the scale invariance feature extraction, target pole extraction fourier - mellin transform etc are investigated by computer simulations. the experimental results demonstrated the efficiency of these feature extraction methods in the applications of underwater target recognition

    對多種特徵提取方法如目標相對不變尺度特徵提取、目標極點特徵提取、目標信號的傅里葉?梅林變換特徵提取等進行了模擬研究，結果表明了這些特徵參數提取方法的有效性，具有良好的應用前景。
  10. In view of the characteristics and present situation of jianghan oilfield, the author analyzes some problems in the present oil production cost control and, embarking from the oilfield long - term development strategy primarily, proposes extraction cost control countermeasures which take enhancing the oilfield whole economic efficiency as the key

    摘要針對江漢油田的特點和現狀，分析了油田目前採油成本控制存在的問題，並從油田長遠發展的戰略出發，提出了以提高油田整體經濟效益為主的採油成本控制對策。
  11. High efficiency and energy saving rare earth permanent magnet synchronous motor ( repmsm ) are importance approach to the problem that the cost of oil extraction in chinese oil fields is too high and pulling small car with big horse at large in driving electromotor in pumping unit

    我國油田採油成本高，油田抽油機電機數量多、容量大、年運行時間長、耗電量大，採油成本的60是電費。國內外對抽油機電機的節能都很重視，稀土永磁同步電動機具有高效節能的特點，是解決這一問題的重要途徑。
  12. Imhoff and his colleagues took into account the efficiency of extraction and production methods, which varies considerably by country

    伊霍夫和研究同仁考慮到，各國因生產方式不同而產生的效能差異。
  13. Solvent effect on extraction efficiency of chlorogenic acid from the leaves of eucommia ulmodies by ultrasonically assisted extraction technique

    超聲助提杜仲葉中綠原酸的溶劑效應
  14. By broking the wall of powdered oils with ultrasonic, the oil extraction efficiency yield was 65 %, which met the need of determining pov

    超聲波破壁法提油其提油率可達65 %左右，可滿足測定要求。
  15. In the oil field of our country, there is a problem of low productive efficiency of oil extraction commonly

    在我國的油田中，普遍存在著油井採油效率低下的問題。
  16. The influences of temperature, modifier and other parameters on the efficiency of supercritical fluid extraction were tested

    結合氣相色譜質譜測定技術比較了4種方法對模擬樣品中16種多環芳烴化合物的提取效果。
  17. Analytical formulas for the peak power, pulse energy, pulse width, energy extraction efficiency, repetition rate and average output power are derived

    計算出了自調q脈沖的峰值功率，單脈沖能量，脈沖寬度，能量利用率，重復頻率，平均輸出功率等。
  18. As a result, the sensitivity of method was enhanced. the extraction efficiency, stability, selectivity and quantity capability of c16 - mcm - 41 coated fibers to the samples were investigated

    用xrd 、 n _ 2吸附-脫附、元素分析、 ft - ir和熒光光度法對復合材料進行了表徵，熒光光度法是本文首次用於介孔復合材料的表徵。
  19. Supercritical fluid extraction ( sfe ) is a sample separation technology and it has the advantages of simplicity 、 good extraction efficiency 、 rapidity 、 great analyte selectivity 、 easy control reduced environmental hazard and so on

    摘要超臨界流體萃取作為一種樣品分離技術具有操作簡單、高效、快速、選擇性高、易於控制、環境友好等特點。
  20. For the ld pumped self - q - switched laser, the peak power, pulse energy, pulse width and energy extraction efficiency, which have been influenced by the loss in the cavity, cavity length and the threshold absorption coefficiency of the absorber, have been calculated. then we know how to choose the parameters of the self - q - switched laser for design

    根據自調q二極體泵浦固體激光器的特點，計算了腔內損耗、腔長和飽和吸收體的初始吸收系數對于峰值功率、單脈沖能量、脈沖寬度和能量利用率的影響，並由此提出了設計自調q激光器中的參數選擇規律。
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