extraction conditions 中文意思是什麼

extraction conditions 解釋
萃取條件
  • 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。
  • conditions : (旅遊合同中)條件或服務項目
  1. Results the extraction conditions were optimized as follows : folium ginkgo and rhizoma chuanxiong were powdered and soaked by fifteenfold - weight 60 % alcohol, to get the highest content of flavone and ligustrazine

    結果:銀杏葉、川芎粉碎成粗粉,用15倍量60 %的乙醇漉條件最佳,總黃酮和川芎嗪的含量最高。
  2. Conclusion in modem microsurgical conditions, gluey healon and proper surgical time, the traumatic cataract ' s extraction with iol implantation is safe and effective

    結論利用顯微手術方法,使用粘彈劑,控制眼內炎癥,選擇好手術時機,可使手術效果滿意。
  3. Study on technologyical conditions for the extraction of vanadium from stone coal residue

    石煤礦渣中釩浸取工藝條件研究
  4. Water extraction conditions of polysaccharide from fructus corni

    山茱萸多糖提取過程研究
  5. Finally, the characteristics of ion curren extraction in different conditions are simulationed with magic software, and the parameter of best emission surface is obtained

    最後,採用magic程序對高頻離子源不同引出參數下的束流引出特性進行了數值模擬,得到了獲得最佳的引出離子束所要求的等離子體發射面參數。
  6. Abstract : with a view of time - varying characteristic of the v ibration signal measured on reciprocating machinery and a brief introduction to the wavelet analysis and a nonlinear wavelet denoising theory, the paper makes an approach, by taking an triplex pump widely used in heavy machinery as an exa mple, on the waveform feature extraction which reflects the various conditions o f reciprocating machinery with nonlinear wavelet denoising analysis method

    文摘:針對往復機械振動信號的非平穩時變特點,本文在簡述小波分析及非線性小波消噪理論的基礎上,以重型機械使用的三缸泵為例,研究了用非線性小波消噪方法提取往復機械狀態下的波形特性。
  7. Study on the optimal extraction conditions of bioavailable hg in soil

    土壤中有效態汞的最佳萃取條件研究
  8. Optimization of extraction conditions for active components in liniaotonglin capsule

    正交試驗法優選銀翹解毒軟膠囊的水煮提取工藝
  9. Studies on optimal extraction conditions of flavonoid from the flowers of edgeworthia chrysantha

    結香花中黃酮類化合物提取工藝條件的研究
  10. By using a zone model, simulates the behaviour of smoke temperature, height, volume fraction of co changing with time under different smoke control and extraction conditions in the station and introduces three critical conditions as a criterion for judging the effects of different smoke control and extraction methods

    摘要運用區域模型模擬車站內不同防排煙工況下煙氣溫度、高度、 co體積分數隨時間的變化規律,以三項危險臨界條件是否實現作為衡量防排煙效果的判據。
  11. 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
  12. As a novel tool for knowledge extraction, the rough set theory can supply reliable data to maintenance technicians for rapid and effective fault diagnosis by the " reduction " of information system and extracting a set of minimal diagnostic conditions in the fault diagnosis system

    應用粗糙集理論挖掘工具,對故障信息系統「約簡」 ,在故障診斷系統中提取最小診斷條件集,可為設備維護人員提供快捷、有效的診斷依據。
  13. To capsicum for raw materials dissolved in ethanol and used petroleum ether, ether from the organic solvent solution extraction and purification wealthy markets prospect of food additives and with extensive medical value of the material - pepper accuracy ; and further research in ethanol concentration, saponification time, temperature under different conditions, such as the purity level of capsaicin

    以辣椒精為原料溶於乙醇中,再利用石油醚、乙醚等有機溶劑從溶液中提取和純化富有市場前境的食品添加劑和具有廣泛醫用價值的物質辣椒精;並進一步研究在乙醇濃度、皂化時間、溫度等不同條件下得到的辣椒堿純度高低。
  14. The flavonoids content in the vegetative organs of stellera chamaejasme l. was determined by ultrasonic extraction and spectrophotometry in songnen grassland of heilongjiang province, and the change of flavonoids content in root was analysed under different environmental conditions, such as different grazing intensities and soil water content

    摘要採用超聲提取和分光光度法,對黑龍江省松嫩草地瑞香狼毒營養器官總黃酮含量進行了測定,並對不同環境梯度下根的總黃酮含量變化進行了分析。
  15. For bilateral symmetry objects, the techniques on symmetry - point detection and symmetry - axis extraction are presented based on harmonic conjugation relationship. for rotated symmetry objects, the techniques on rotated units description and rotated symmetry center extraction are presented based on center invariants of objects. further more, by using 3d invariants and 2d projective transformation, an approach to recover shape from part symmetry objects is realized on some conditions

    ( 3 )深入分析了2d對稱性目標透視成像的幾何特點,將共點四線交比用於目標輪廓上的關鍵點的特性描述中;利用調和共軛關系,提出了一種針對左右對稱型目標的對稱點檢測和對稱軸提取的演算法;利用交比關系構造了目標的形心不變量,提出了一種針對旋轉對稱型目標的旋轉對稱單元判定、旋轉中心提取的演算法;進一步利用3d不變量和2d射影變換,實現了一定條件下的對稱性目標的形狀恢復技術。
  16. The optimal conditions for the determination of the concentration of the hydrolyzed polyacrylamine in the waste from oil extraction by the starch - cadmium iodide spectrophotometry were investigated and the reaction mechanism was explored

    摘要研究了澱粉碘化鎘光度法檢測油田采出液中部分水解聚丙烯醯胺濃度的最佳測試條件,並探討了反應機理。
  17. Abstract : the characteristics of wavelet transform and its significance in image edge extraction are presented. the detailed steps for the extended target centroid calculation with wavelet transform are described. extracting target ( airplane ) centroid coordinates when airplane images are in the background noise conditions with different image fuzzy degrees by using wavelet transform, the extracting accuracy for target centroid coordinates under the different image fuzzy degrees and background noise conditions are compared. the application prospect of wavelet transform in the extended target tracking is shown

    文摘:介紹了小波變換的特點及其在圖象邊緣提取中的意義,說明了擴展目標用小波變換進行目標形心計算的詳細步驟,並以飛機圖象為目標在不同圖象模糊程度及背景噪音情況下用小波變換進行了目標形心坐標提取,比較了不同圖象模糊程度及背景噪音情況下目標形心坐標提取的精度,展示了小波變換在擴展目標跟蹤技術中應用的前景。
  18. Application background and significance of hydrogen chloride preparation from byproduct hydrochloric acid desorption are intruduced ; basic rationale and technology process for preparation of gas hydrogen chloride by conventional resolution, variable pressure rectification and extraction rectification from hydrochloric acid are reviewed ; various methods are compared, explaining the suitable conditions, suggestions are made on the production process, equipments and materials ; improvement suggestions are put forward on hydrogen chloride preparation by byproduct hydrochloric acid desorption

    摘要介紹了副產鹽酸解吸制取氯化氫技術的應用背景及意義;敘述了鹽酸常規解析、變壓精餾和萃取精餾制取氣態氯化氫的基本原理和工藝流程;對各種方法作了比較並說明了適用條件,對生產工藝、設備及材料的選擇提出了建議;提出了副產鹽酸解吸制取氯化氫應用的注意事項及改進建議。
  19. With a view to time - varying characteristic of the vibration signal measured on triplex reciprocating pump, an approach on the waveform feature extraction which reflects the various conditions of reciprocating pump with nonlinear wavelet de - noising analysis method is presented

    針對三缸往復泵測量信號非平穩時變特點,研究了用小波消噪方法提取反映往復泵動力端狀態的振動波形特徵。
  20. Discusses the feasibility of natural smoke extraction and the parameter in detail and the conditions of natural ventilation

    討論了自然排煙的可行性及相關參數的量化和自然進風的條件。
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