提取率 的英文怎麼說

中文拼音 [dīqǔlǜ]
提取率 英文
extraction efficiency
  • 提 : 提動詞（垂手拿著） carry （in one's hand with the arm down）
  • 取 : Ⅰ動詞1 （拿到身邊） take; get; fetch 2 （得到; 招致） aim at; seek 3 （採取; 選取） adopt; assume...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 提取 : 1. （取出） draw; pick up; collect 2. （提煉） extract; abstract; recover
  1. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下：首先針對荒漠化地區的地物特徵，對高光譜數據不同波段的數據質量、波段組合進行了評價，提出了適用於荒漠化監測的基本波段選擇集；初步了解和掌握了研究地區的地物光譜特性及變異規律，進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎；發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象，對于譜形相似而整體反射率的值相差較大的兩類地物，通過引入均值和方差圖像參與分類得到解決；研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段，這些波段與植被生物量和蓋度都有密切的關系，是開展精細植被分類研究和植被定量反演的重要基礎；像元的導數光譜分析可以消除土壤背景的影響，是進行植被生物量和蓋度定量反演的有力工具；建立了荒漠化監測主要評價因子的定量反演模型，並分析了模型的適用性。
  2. 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。
  3. The results showed that extract of m. arvensis had a stronger inhibitory effect to u. virens than e. helioswpia, at 10 % of concentration, the inhibition rate to the germination of chlamdospore and conidiospore of extract of m. arvensis are all 100 %, while that of e. helioswpia were 14. 79 % and 7. 23 %

    結果表明，薄荷提取液對病菌的抑制效果較好，在10 %濃度下對厚垣孢子和分生孢子的抑制達100 % ，而澤漆提取液的抑制率分別為14 . 79 %和7 . 23 % 。
  4. Researches into the methods of raising the extraction rate of dioscingenin from dioscorea zingibernisis

    快速提高盾葉薯蕷皂甙元提取率的研究
  5. Heiye extraction rate is high, less wastage fibre, fibre damage small and easy to operate, and other advantages

    具有黑液提取率高、纖維流失少、纖維破壞程度小、操作方便等優點。
  6. In this experiment ， the pigment was extracted from the 2 black rice varieties ， yanheidao and yanzinuo ， and its contents were 1. 2 % and 1. 4 % of hulled rice ， respectively ， but 90 % in the hull. components seperation and identification proved that black rice pigment from the 2 varieties belonged to anthocyanin consisting of chrysanthemin and keracyanin

    巖黑稻、巖紫糯2個黑米稻品種糙米的黑米色素提取率分別為1 . 2和1 . 4 ，糠皮的黑米色素提取率分別為9 . 6 、 12 . 0 ，約90的黑米色素存在於糙米糠皮中.性質研究認為， 2品種黑米稻的黑米色素結構均屬花青苷類，經組分分離鑒定，花青定- 3 -葡萄糖及花青定- 3 -鼠李葡萄糖可能是構成色素的組分
  7. Comparison of extracted ratio of periplocin in cortex periplocae with different extracting manner

    香加皮不同入藥方式的杠柳毒苷提取率比較研究
  8. Three pretreatments including air oxidation pretreatment, nitric acid oxidation pretreatment, ultrasonic pretreatment are used to increase the rate of humic acid extraction

    採用空氣氧化預處理、硝酸氧化預處理、超聲波預處理三種方法提高腐殖酸的提取率。
  9. Different solvents affecting the rate of humic acid extraction are discussed

    討論了不同抽提劑對腐殖酸的提取率的影響。
  10. The extracted rate in the 9 soils was 60. 51 % - 93. 45 %. the traget gene could be amplified from the soil which was added 362 target cell / g. dry soil

    9種土壤的提取率從60 . 51 %一93 . 45 % ，可以從每g千土添加362個菌體的土壤中擴增到目的條帶
  11. Effects of extractive conditions on carotenoids extractability by phaffia rhodozyma

    提取條件對紅法夫酵母類胡蘿卜素提取率的影響
  12. Effects of surfactants on the extraction of penicillin and the swelling of emulsion liquid membranes

    液膜常用表面活性劑對青霉素提取率及液膜溶脹的研究
  13. Microwave extraction can shorten extraction time, increase extraction yield, but energy consumption and product cost are high

    微波萃取法可縮短萃取時間，提高提取率，但耗能大，成本高。
  14. Utrasonic - assisted extraction has many advantages such as shorten duration, lower cost, higher extraction yield, but commercial process demands further research

    超聲波輔助萃取法快速、價廉、提取率高，但工業化生產還需進一步研究。
  15. This paper is focus on the average nitrogen purity related to the air - separation production, and the function of improving oxygen extraction rate. analyzed the affecting factor of average nitrogen purity. and summarized the method of improve average nitrogen purity and its application to an air - separation plant

    氮氣平均純度對空分生產中提高氧氣提取率有重要的作用，分析了影響氮氣平均純度的幾種因素，總結出空分裝置提高氮氣平均純度的方法及應用。
  16. Polysaccharide of mycelia from phellinus igniarius cultured by shaking were studied. lg9 ( 34 ) orthogonal experiment were carried out to find the optimum method of extracting polysaccharide from mycelia. the magnitude of range indicated that the factors which effected extracting ratio were times, time, temperature and proportion

    本文對液體培養桑黃菌絲體的主要活性成分多糖進行了研究，首次利用lg9 （ 3 ~ 4 ）正交試驗法對桑黃菌絲體多糖的提取工藝進行研究，從級差的大小可以看出影響桑黃菌絲體粗多糖提取率的因素主要是浸提次數，其次分別是浸提時間、吉林農業大學碩士學位論文桑黃主要生物學特性及多糖的研究浸提溫度、浸提比。
  17. Conclusion microwave technology for oridonin extraction has advantages of rapid extraction, simple operation, saving solvent and higher extraction yield, etc

    結論採用微波萃取技術提取冬凌草甲素，具有提取快速、操作簡便、節省溶劑和有效成分提取率高等優點。
  18. Under the conditions of operation pressure about 0. 8mpa and feed temperature 20 ?, the rejection performance of er feed solution is about 98 %. ftir and sem are used to analyses the structure and component of membranes

    結果表明， 5102 / a120 :無機超濾膜一聚乙烯醇/ 510 :一a1203復合納濾膜混合膜分離體系對紅黴素的提取率可達98 % 。
  19. The extraction technology of carotenoid from arctium lappa l is under study in this paper, and the effects of factors like extraction temperature, extraction times, granularity of burdock dusts, and solid - liquid ratio on the extraction rate of carotenoid are examined through single factor and orthogonal experiment

    摘要考察了牛蒡中類胡蘿卜素的提取工藝，並通過單因素實驗和正交試驗研究了提取溫度、提取次數、物料粉碎粒度、料液比等因素對類胡蘿卜素提取率的影響。
  20. Supercritical co2 fluid extraction exhibits many advantages such as higher extraction yield and product purity, simple production process, lower energy consumption and without solvent residual, but its equipment requirement is high, and it is not easy to realize commercial process

    超臨界流體萃取法提取率高，產品純度好，流程簡單，能耗低，無有機溶劑殘留，但對設備要求高，不易形成工業化生產。
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