high selectivity 中文意思是什麼

high selectivity 解釋
高選擇性
  • high : adj 1 高的〈指物，形容人的身高用 tall〉；高處的；高地的。2 高級的，高等的，高位的，重要的。3 高尚...
  • selectivity : n. 1. 選擇；精選。2. 【無線電】選擇性；選擇度；【物理學】選擇能力；選擇率。
  1. For the high selectivity and safety of chitin synthase inhibitors, they are used for insecticides, fungicides and acaricides

    幾丁質合成酶抑制劑由於具有安全、高效等特點，成為農用殺蟲、殺蟎、殺菌劑以及醫藥抗真菌藥物的研發熱點。
  2. This process relies on a catalyst of high selectivity and weak activity.

    這過程所靠的是一種高選擇性和低活性的催化劑。
  3. The dual - bath coagulation method suggested by j. a. va n ' t hof could be used in membranes with high selectivity clearance rate of low - molecular weight substances and moderate water flux theoretically. therefore it may be applied in the field of hemofiltration. to improve and optimize the performance of the pes ultrafiltration membrane applied in the hf, here the flat membranes and hollow fiber ( hf ) membranes are made in certain conditions based on the dual - bath coagulation method where pes is used as the membrane material, dmso as solvent and pvp & peg as additives this paper includes five parts as follow : 1

    為了改善和優化聚醚碸超濾膜（單浴法）在血液過濾實際應用中的性能，本論文以j . a . van ' thof等提出的雙凝固浴法為基礎，以聚醚碸（ pes ）為主要成膜材料，以二甲基亞碸為溶劑，並添加一定分子量的致孔劑（ pvp ，聚乙烯吡咯烷酮）以及一定分子量的添加劑（ peg ，聚乙二醇）按照一定配比在一定溫度下製成透明均一的鑄膜液，靜置脫泡后在一定的工藝條件下製成聚醚碸平板膜和中空纖維膜，然後通過測試膜的結構和性能來評估其用於血液過濾中的前景。
  4. It has high selectivity in adsorpting water, polar molecule or polarizable molecule on account of the existing of mighty coulomb field and polar interaction in the internal of crystal cave of zeolite, the high electric field gradient and the uneven surface caused by the exposure of exchangable cation of equilibrium framework negative charge in framework structures

    由於分子篩晶穴內部有強太原理工大學碩士學位論文摘要大的庫侖場和極性作用，再加上骨架中大量平衡骨架負電荷的可交換陽離子的暴露造成的高電場梯度及表面的不均性，使其對水、極性分子及可極化的分子具有高選擇的吸附性能。
  5. Molecularly imprinted polymer can be used to highly selective separation and enrichment of trace analyte in complicated biological, medicine and environmental samples because of its characteristics of high selectivity, chemical stability, easy preparation, so the application of molecular imprinting technique in sample pretreatment was especially remarkable

    分子印跡聚合物具有選擇性高、穩定性好及制備簡單的特點，可用於生物、醫藥、環境樣品等復雜基體中痕量分析物的高選擇性分離與富集，因此在樣品前處理中的應用特別引人關注。
  6. Advances on molecule - bolt selective monochlorination and reaction - separation coupling techniques for chlorination reaction in the world were introduced, and the control technology which achieved high selectivity was showed

    通過介紹國內外分子篩擇形催化氯化及氯化反應分離耦合工程技術的進展，展示實現有機氯化反應高選擇性的控制技術，為氯化產品工業技術的提升提供參考。
  7. Reversed micellar extraction was relatively new separation technique which could provide high selectivity and make less inactivation of enzyme, thus being highly potential for recovery and purification of bioactive products

    摘要反膠束萃取是一項新的分離技術，不僅具有高選擇性，而且不易使酶蛋白失活，在提取純化生物活性物質方面具有巨大的工業應用潛力。
  8. The results showed the bentonite is an efficient catalyst with cheapness, non - corrosivity, high selectivity, mild reaction conditions and less contamination, ease of set - up and work - up

    實驗結果表明，酸性皂土催化該反應具有價廉無污染、選擇性高、反應條件溫和、反應時間短、后處理簡單、易回收、可重復利用等優點。
  9. Piezoelectric sensing technique has been applied to many fields, including analytical chemistry, life science, environmental monitoring and surface sciences because of it ' s small size, high sensitivity, simplicity, low power consumption and broad sensing spectrum. piezoelectric immunosensors possess high selectivity provided by antibodies or antigens and sensitivity response directly to the mass change of proteins. immobilization technologies of biomolecules are of paramount importance in order to preserve their biological activity

    壓電免疫傳感技術利用壓電晶體與抗原抗體特異性免疫反應結合的特徵，通常在壓電石英晶體表面先固定抗原（抗體） ，響應溶液中抗體（抗原）引起的質量、密度和粘度等性質的變化，它兼具有壓電質量響應的高靈敏性和生物化學反應的高特異性。
  10. As a new separation membrane technology developed in recent years, nanofiltration ( nf ) membrane is the most appealing field of membrane science and technology compared with those traditional membranes, the advantages of nf membranes are as follows : having hole diameters of nanometers, low operation pressure, economic for it can replace many procedures in traditional process and separation technology, having high selectivity to different irons, and so on

    納濾膜是近十幾年發展起來的一種新型的壓力驅動膜，它所具有的特殊的納米級孔徑使其具有很多分離膜不具備的優點，如操作壓力低、對二價和高價離子具有高的選擇性、具有較好的壓密性和較強的抗污染能力等。
  11. The development of new catalyst is of significant importance for the conversion, however it is difficult to obtain high yield and high selectivity merely via the improvement of catalysts

    但要同時得到甲烷活化的各類反應高活性、高選擇性及高收率，單純改進催化劑是難于達到的。
  12. The millimeter wave diplexers used in the ka - band satellite communications are investigated. these diplexers are of high working frequency, narrow passband and high selectivity, which demands the channel filters good performance

    所研究的毫米波雙工器工作頻率高（接近40ghz ） ，收發通道帶寬窄、接收頻率和發射頻率間隔很小。
  13. Analytical methods using biological materials such as enzymes, receptors and antibodies suffer from a lot of disadvantages, e. g. complex and time - consuming procedures, poor stability and reproducibility although showing a high selectivity with these molecular recognition agents

    生物物質如酶、受體、抗體等作為分子識別元件具有很高的選擇性能，但是這些物質往往不易長期保存，且操作穩定性不高。
  14. As the representatives of salt - free organic reductants, hydrazine derivatives possess such advantages as strong reductivity and high selectivity. the kinetics of the reaction of np ( vi ), pu ( iv ) reduction by hydrazine derivatives have been studied deeply since 1980s. the results show that it ' s potential for applying hydrazine derivatives as salt - free reductants in purex process in the near future

    以肼類衍生物為代表的有機無鹽還原劑，具有還原能力強、選擇性高的特點。自上世紀八十年代以來，對于肼類衍生物還原np （ ） 、 pu （ ）的動力學已進行了較為深入的研究，並獲得了一系列重要的參數。
  15. " for their development and use of molecules with structure - specific interactions of high selectivity

    合成了具有特殊性能相對子質量低的有機化合物，在分子的研究和應用方面作出新貢獻
  16. The molecularly imprinted monolithic column is developed in hplc, due to its simple preparation, high selectivity and low flow resistance. its progress of the preparation, characteristic and mechanism are reviewed

    分子印跡整體柱具有制備簡單、特異選擇好及傳質阻力低等優點，在高效液相色譜中的應用發展迅速。本文綜述了分子印跡整體柱的制備、表徵及分離機制等的研究進展。
  17. This method offers high selectivity, long life time, no influence of surroundings gases, no electrical induction and so on

    這種方法具有選擇性高、壽命長、不受環境氣體影響，防電磁干擾等優點。
  18. Enzymatic synthesis has wide application prospect in the industrial production of diaclyglycerol for the high selectivity of enzyme

    由於酶的高度選擇性，使酶法催化生產甘油二酯具有廣闊的工業化應用前景，但使用酶法催化生產甘油二酯還存在一些問題。
  19. The sem and electrochemical studies showed that the composite film exhibited more compact structure and lower electrochemical activity than polyaniline film. the glucose biosensor based on the polyaniline / polyisoprene composite film showed high selectivity

    掃描電鏡和電化學研究表明，該復合膜與聚苯胺膜相比，具有較緊密的結構和較低的電化學活性。
  20. Due to their advantages of high selectivity, fast analytical speed, simple operation and low price of instrument, biosensors have been used widely in the fields such as clinical medicine, food industry, environment control, martial medicine, etc. urease biosensors have important applications in clinical medicine and determination of heavy - metal ions in water

    由於生物傳感器具有選擇性好，分析速度快，操作簡易和儀器價格低廉等優點，在臨床醫學、食品工業、環境監測、軍事醫學等領域得到了廣泛的應用。脲酶生物傳感器在臨床醫學和對於水中重金屬離子含量的檢測方面具有重要的應用。
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