有效分子量 的英文怎麼說

中文拼音 [yǒuxiàofēnziliáng]
有效分子量 英文
effective molecular weight
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 子 : 子Ⅰ名詞1 （兒子） son 2 （人的通稱） person 3 （古代特指有學問的男人） ancient title of respect f...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 有效 : effective; valid; efficacious
  1. Changes of the contents of the active components in 5 chinese medicinals after combined with aconite

    五種中藥與附子配伍前後有效成分含量的變化
  2. Determination of the effective compositions of radix aconitine by rp - hplc

    反相高效液相色譜法測定附子有效成分含量的方法研究
  3. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以重慶市的南川金佛山（自然保護區） 、黔江武陵山（國家重點退耕還林示範縣，森林覆蓋率50以上）和北碚中梁山（遭人為破壞嚴重）典型巖溶區為對象，選擇了幾種重要的利用方式，包括林地、果園、耕地、棄耕地和灌草坡，採用野外巖溶生態調查和室內試驗測量分析相結合的方法，以不同土地利用方式巖溶土壤肥力為重點，對不同土地利用方式土壤肥力特徵進行量化分析，找出巖溶土壤肥力差異的主要方面及其根本原因，論文主要從土壤剖面物理退化指標（有效土層厚度、有機質層厚度、質地、團聚體、水分含量等） ，化學肥力退化指標（有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等） ，樣地土壤微生物指標（細菌、真菌、放線菌數量及總量）以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究，為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。
  4. Studies on genes related to embryo and endosperm development are leading us to an extensive understanding of the mechanisms of seed development and apomixis at the molecular level, which will benefits the research for yield and quality improvement of plant seeds via genetic engineering

    對胚和胚乳發育相關基因的研究，可使人們在分子水平上解析種子發育和無融合生殖的分子機制，更有效地開展植物種子產量和品質改良的基因工程。
  5. There were existed three effects for a compatibilizer : intercalation, miscibility and encapsulation, the effect of which was dependent on the compatibilizer loading, molecule weight / or melt index and molecule structure

    相容劑在該體系中具有增容、插層和包覆三種作用，其效果取決于相容劑添加量、分子量（粘度）及其分子結構。
  6. Using the dynamic mechanical analyzer ( dma ), pdms / pma ipn was investigated at temperature of 5 - 180 c. the initiator, the component ratio, the type of pdms and the filler effected the damping properties. the result showed that the damping ability varied with the parameter and there was an optimal value. the excellent damping material in the papers was ipn, where tan man was 0. 735, and the damping functional temperature ranged with tan 8 > 0. 3 was 46 c. the micro - morphology and structure of pdms / pma ipn were characterized by two kinds of sem

    高分子阻尼材料的有效阻尼功能區是在ipn材料的t _ g區間內，而研究常溫條件下的阻尼性能更具有重要應用價值，運用動態熱機械分析（ dma ）儀對ipn阻尼材料進行表徵，在5 180內對其損耗因子（ tan ）進行研究，發現引發劑和交聯劑的用量、聚硅氧烷的用量和分子量等參數對ipn阻尼性能的影響較大，存在一個合理配比值，當pma與粘度為3300pa ? s的pdms之比（質量比）為1 . 17 ： 1 、交聯劑用量為1時， tan最大值為0 . 735 ，大於0 . 3的溫域差達到46 。
  7. 2. the molecular weights of the recombinant protein of the cadherin repeated domain 4, 5, 6 of bt - r3 were about 42kda and 45kda ( with his tag ) respectively. both expressed products could not specifically bind to bt toxic protein crylab

    表達得到了bt - r3受體的第4 ， 5 ， 6個鈣粘蛋白結構域重組蛋白，其分子量約為42kda和45kda （帶histag ） ，均不能有效地結合bt毒蛋白cry1ab 。
  8. The authour investigate the dosing conditions and effect of the pac to the huanghe water - source, which includes the following four parts : the selection of the pac ; the confirmation of dosing scheme and effect of the pac ; the research of application of potassium permanganate in combination with pac ; the research of the pac ' s modification and the modified effectiveness. the experiment is mainly carried out on the pilot system in the jieyuan water plan of tianjin. the results of the reseach include the following : l ) the pac from zunhua plant is selected as the better carbon for the source water of tianjin through the experiment ; 2 ) through the pilot experiment we conclude that the pac ' s best adding point is the mixing tank and the better dose is 10mg / l, on which the codmn of filtered water can be decreased to 40 % and the effluent have no problem of odour and color ; 3the adsorbing experiment show that pac mainly adsorb the organic matters which molecular wt., distribution between 500 and 3000, and can adsorb organic matters whose molecular wt., distribution are bigger than 6000 if the dose of it is adequent ; 4 ) pac together with potassium permanganate can remove the organic matter more effectively than each of them alone, and reduce the rising trend of turbidity of the flotation ' s effluent due to adding pac ; 5 ) the thesis made a research on the surface properties and the adsorbing capability of the modified carbon by oxidizer : the modified carbon with 20 % h2o2 can remove more organic pollutants than the untreated one by 12 % when we add a higher dose of coagulant ; 6 ) the modification of reduction and loading metal ions are also sttldied, and drow the following conclusions : the modified carbon with 5 % ammonia can enhance the organic matter ' s removal effectiveness by 10 % to the tianjin source water than the untreated one, and the modified one with loading metal ion remove the organic matters from the tianjin source water better ( 8 % ) than the untreated one due to the strong affinity betwween the humic acid and copper ion

    本文的實驗主要是在天津芥園水廠的中試系統上完成的，論文的成果和結論主要包括： 1 ）通過靜態實驗選定河北遵化活性炭廠生產的煤質炭為適合天津原水的炭種； 2 ）中試實驗確定粉末活性炭的較佳投加點為混合池投加，較佳投加量為10mg l ，此時可使濾后水的cod _ （ mn ）降低40 ，且可較好地控制濾后水的嗅味和色度； 3 ）初步確定粉末活性炭對原水中有機物的吸附主要集中在分子量在500 - 3000范圍內，投量增大時可吸附部分分子量大於6000的有機物4 ）中試實驗表明：粉末活性炭與高錳酸鉀聯用可取得較兩者單獨應用時對有機物更好的去除效果，且對因投加粉末活性炭而造成的氣浮出水濁度升高有一定的改善作用； 5 ）研究並初步確定氧化改性對粉末活性炭表面性質和有機物的去除效果的影響：粉末活性炭的氧化改性會使其表面的酸性官能團大量增強，表面極性增加；經20的過氧化氫改性的活性炭在增大混凝劑投加量（ fecl _ 3投量為15mg l ）時對有機物的總體去除效果較原活性炭提高12 ， 1次氯酸鈉改性活性炭對有機物的去除效果較原活性炭提高6 ； 6 ）研究並初步確定還原改性、負載金屬離子對原水中有機物的去除效果的影響：經5氨水改性的活性炭可提高天津源水中有機物的去除率達到10 ；負載銅離子后的活性炭可提高對腐殖酸類物質的去除能力，一般可提高8左右。
  9. Abstract : polyphenylacetylenes were synthesized by rn ( nbd ) cl 2 and wcl6 / ph4sn catalyst systems in n2 at room temperature. polymers with high yield and high molecular weight were obtained. their structures were characterized by uv, ir, nmr and gpc, respectively. the fluorescence of the polymer solution with different concentration was investigated using variable excitation wavelength from uv to visible region. the relation between fluorescence and polymer structure was studied. the results showed that the molecular chain structure has great influence on fluorescence of the polymers. the emitting peak wavelength of fluorescence for the polymer of high stereoregularity is independent of solution concentration and excitation wavelength. the emitting peak wavelength of fluorescence for the polymer with disordered molecular chain arrangement varies with changing the solution concentration and excitation wavelength, and different emission sites in molecular chains and low emitting yield are shown. the measurement and analysis of fluorescence spectroscopy of polyphenylacetylenes may provide some useful information to judge the molecular chain arrangement in some conjugated polymers

    文摘:使用有機金屬銠、金屬鎢/四苯基錫催化劑體系聚合苯乙炔，分別獲得了高產率和高分子量的聚苯乙炔.使用uv ， ir ， nmr ， gpc等分別對聚合物結構進行了表徵.採用不同波長的激發光對聚合物熒光性能進行研究，詳細分析了聚合物結構與熒光性能之間的關系.研究結果發現，不同聚合物結構對聚合物熒光性能產生很大影響，規整性高的聚合物，將有較高的發光量子效率；聚合物規整性差，將可能導致多個熒光發光結構點，其熒光強度降低.聚合物熒光光譜研究將對某些共軛聚合物結構的規整性分析提供一些有用的信息
  10. In this paper, germanium concentration in ge - dopped silicon bulk single crystals was measured by the methods of indution couple plasma ( icp ) direct reading spectrometer, sims, sem - edx, and the effective segregation coefficent of germanium under the situation of the changed speed was calculated, the result was 0. 62. according to the result, the curves of different ge concentrations were got

    本論文利用二次離子質譜（ sims ） 、化學分析法（電感耦合等離子體（ icp ）直讀光譜儀） 、掃描電鏡能譜儀（ sem - edx ）三種方法對不同摻鍺濃度的czsige單晶中鍺含量進行了測試，並對變速拉晶條件下鍺的有效分凝系數進行了計算，得出鍺的有效分凝系數（ ke ）為0 . 62 。
  11. The results show that uf is efficient for the removal of bacteria and turbidity with the 99 % removal of bacteria achieved and residual turbidity within 0. 02 ntu in the treated water ; the uf resulting toc and uv _ ( 254 ) removals of ha are 30 % and 40 % ; there is no obvious difference of ha removals between the uf membrane with a mwco of 10 kdaltons and the other one with a mwco of 1 kdaltons

    實驗結果表明，超濾具有良好的滅菌和除濁功能，細菌去除率達99以上，過濾出水的濁度能控制在0 . 02ntu以內，直接超濾對腐植酸toc去除率為30左右， uv254的去除率達40 ，截留分子量為10萬道爾頓和1萬道爾頓的兩種超濾膜對腐植酸的去除效果無明顯差別。
  12. Soluble fe ( ) complexed by natural organic matter with molecular weight less than 1000 was removed by the biological removal of iron filter

    當有機物分子量< 1k時，生物氧化除鐵濾柱對有機絡合鐵有良好的去除效果。
  13. The low molecular weight chitosan showed good film - forming effect and ideal anti - bacterium effect as well

    低分子量的殼聚糖既有一定成膜效果，又有良好的抗菌效果。
  14. Sds - page proved that the molecular weight of expressed product of the extracellular part of bt - r3 was about 160kda. western blotting showed that the recombinant protein could specifically bind to bt toxic protein crylab, indicating that the bt - r3 is a receptor protein of crylab. the binding site of bt - r3 with crylab was located in extracellular domains of bt - r3 protein

    用大腸桿菌系統表達的bt - r3基因的胞外結構域的分子量約為160kda ， western - blot實驗證實，重組蛋白能有效地結合bt毒蛋白cry1ab ，從而進一步確證了bt - r3是cry1ab的受體基因。
  15. Through the flux / retention experiments it was shown that when the applied pressure rises, both volume flux and rejection increase, too ; and that the higher the feed salt concentration, the lower rejection and volume flux. the charged mosaic membranes could permeate mono - valent and bi - valent inorganic salts, but reject the low - molecular - weight organics. furthermore, sem was used to observe the surface and the cross section of the composite membrane

    另外，膜性能表徵結果顯示:隨著操作壓力的增加，膜通量及膜對電解質的截留率均趨增加;而隨著原料液濃度的增加，通量和截留率都有所降低;膜對低分子有機物和無機電解質混合體系（如:亞硝基紅鹽與naci混合體系;蔗糖與nazso ;混合體系等）的選擇性較高，能實現其有效分離。
  16. Comparing the liquid chromatography before and after coagulation, it is obvious that coagulation can bring about effective removal of macromolecule of organics but with almost no effect on the removal of small molecule

    對混凝前後有機物分子量的分析表明，混凝對于大分子有機物去除效果很明顯，但對于小分子（分子量500 ）有機物的去除效果較差。
  17. These properties, being permeable to salts but meanwhile not to low - molecular - weight non - electrolytes, are desired for desalination of water or purification of biochemical materials or food additives

    這一特徵，即能有效傳遞電解質而截留低分子量的非電解質，正是生化和食品工業有機物的脫鹽和凈化所理想的。
  18. The intra - and inter - phase diffusion effects were analyzed. it was pointed out that the rate determining step will change with the temperature. the effective factor was calculated to evaluate the level of the inner diffusion

    對反應中的內、外擴散行為作了分析，指出了速控步驟隨溫度的改變，並計算了衡量內擴散程度的有效因子。
  19. We provide a brief survey of recent results on the electronic transport characteristics of single molecules as well as self - assembled monolayers ( sam )

    摘要介紹了測量單個有機分子導電性質的一些進展，包括分子的尺寸效應、官能團效應、分子與電極的接觸效應等，以及分子邏輯器件的初步研究。
  20. Nano - composites of polymers not only can behave small size effect, surface effect and quantum - dimension effect with nanoparticles, but also possess advantages of polymer, which take on abnormal properties in mechanics properties, physical functions ( optics electricity magnetism etc ). so, nano - composites of polymer have widely applications

    高分子納米復合材料既能發揮納米粒子自身的小尺寸效應、表面效應和量子效應，而且兼有高分子材料本身的優點，使得它們在力學、物理功能（光、電、磁、 ）等方面呈現出常規材料不具備的特性，故而有廣闊的應用前景。
分享友人
分享到 Line

分享到臉書