表觀分子量 的英文怎麼說

中文拼音 [biǎoguānfēnziliáng]
表觀分子量 英文
apparent molecular weight
  • 表 : Ⅰ名詞1 （外面;外表） outside; surface; external 2 （中表親戚） the relationship between the child...
  • 觀 : 觀名詞1. （道教的廟宇） taoist temple2. （姓氏） a surname
  • 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
  1. By making some assumptions, collision frequency were presented. then the the flocculation kinetics model was established through population balance equation. comparison of experimental data and modeling results indicate that there are the same trend between the two. so the model can predict floes number and size during flocculation of yellow river ' s loess particles without using empirical parameters. the tem and sem were used to obsever floes in the study of floe structure. the flocculation was divided as flocculi, floc and floe aggregate. the floes structure model was established by assumption that particles position in floe accords with tetrahedron. the fractal dimension of model and experimental floes was found to be coincidentso the model can reflect the structure of flocs formed in flocculation of yellow river ' s loess particles by macromolecule flocculant at a certain extent

    最後，本文還對絮凝動力學和絮體結構進行了研究，在前人研究的基礎上，針對高分子絮凝黃河泥沙，對絮凝過程作了一些符合試驗條件的假設，建立了顆粒碰撞頻率表達式，應用了顆粒數量平衡方程，從而建立了絮凝過程的動力學生長模型，模型計算結果與試驗數據對比表明，二者趨勢一致，在沒有使用經驗參數的情況下基本上能夠描述黃河泥沙絮凝過程中絮體數量和尺寸分佈的變化過程；對絮體結構的研究中，應用掃描電子顯微鏡和透射電子顯微鏡對絮體進行了觀察，將絮體分為絮粒、絮團和絮網三個不同的生長階段，通過假設顆粒結合位置符西安建築科技大學博士學位論文合正四面體，建立了絮體結構模型，計算得到的模型絮體分形維數基本與試驗中的實際絮體相符，在一定程度上能夠反映高分子絮凝黃河泥沙生成的絮體結構。
  2. Collisonal quantum interference ( cqi ) was observed in the intramolecular rotational energy transfer in the experiment of the static cell, and the integral interference angles were measured. to observe more precise information, the experiment in the molecular beam should be taken, from which the differential interference angle can be obtained precisely. in this paper, the theoretical model of cqi is described in an atom - diatom system in the condition of the molecular beam, based on the first - born approximation of time dependent perturbation theory, taking into accounts the anisotropic lennard - jones interaction potentials. the method of observing and measuring correctly the differential interference angle is presented. the changing tendencies of the differential interference angle with the impact parameter, velocity, and et al. are discussed

    分子內部轉動傳能的靜態池實驗觀察到了碰撞量子干涉效應（ cqi ） ，並且測得積分干涉角，為了獲得更加精確的分子內部轉動傳能的碰撞量子干涉效應信息，實驗就必須要採用分子束實驗進行.本文理論上採用各項異性相互作用勢，應用含時微擾理論的一級波恩近似，假想在分子束實驗的條件下，建立在原子-雙原子分子體系中碰撞量子干涉的理論模型.理論上推導出微分干涉角具體表達式，通過計算定性地討論了微分干涉角隨著碰撞參數、速率等的變化趨勢，同時初步探討了實驗的正確觀測途徑，得出了採用分子束進行實驗觀測的實驗方法，為進一步進行分子束實驗提供了理論基礎，對實驗的進行起到了一定的借鑒作用
  3. After the stolon had suffered from severing disturbance, clonal ramets could keep photosynthetic organ from being damaged through the plastic responses of the chlorophyll fluorescence traits, such as increasing nonphotochemical quenching of chlorophyll fluorescence ( npq ), decreasing actual photochemical efficiency of ps ii in the light ( f / fm " ) and photochemical electron transport rate ( etr ). moreover, the clonal ramets could also increase water use efficiency by means of decreasing stomatal conductance

    在匍匐莖受到切斷干擾后，臭柏能通過提高非光化學猝滅（ npq ） 、降低ps實際光化學量子產量（ f fm 』 ）和表觀光合電子傳遞速率（ etr ）等葉綠素熒光特性的可塑性反應來保護小枝光合機構不被破壞，並且可以降低氣孔導度以提高水分利用效率。
  4. Compared with the 5. 8s complete sequence of the snail arion rufus, its1 and its2 regions were recognized and combined for analysis. from sequence observation, it showed that the zhejiang sample has more inserted sites and fragments while the sequences of other three are nearly all the same. the average g % + c % of the four individuals was 46. 8 % while the zhejiang sample ' s was 48. 3 % and the other three ' s were all about 46. 2 % ; ts / tv and genetic distance mainly lies between the zhejiang sample and the other three individuals, which were 0. 8 and 0. 07 respectively

    用於比較的序列長約350bp ，觀測一級結構，加拿大、墨西哥灣扇貝和美國二代個體的its1和its2序列幾乎完全相同，而浙江個體則具有較多的插入位點與片段； 4個個體平均g + c含量46 . 8 % ，其中浙江個體為48 . 3 % ，其它3個個體均為46 . 2 %左右；轉換顛換比與遺傳距離主要存在於浙江個體與其它3個個體之間，分別為0 . 8和0 . 07左右；以櫛孔扇貝作外群構建的分子系統樹表明：浙江群體已產生了一定的分化。
  5. Through the approach of investigative questionnaire and ability examination, considering both teachers " teaching practice in senior high school and students " need in analyzing and resolving problem, taking the method of fixing the quality and quantity, we make a demonstration research. at last, we draw a conclusion that the 19 manifestations of chemistry ability can be reduced to three levels : the basal level, called repeating thinking, includes distinguishing and judging the chemical fact and relations of quantity in chemical reaction, comparing and summarizing the chemistry fundamental knowledge ; innovative thinking level includes illogical thinking and logical thinking. illogical thinking mainly contains intuition, association and space imagination of micro - particle

    通過調查問卷、能力測試等途徑，結合教師在中學化學的教學實踐和學生在分析、解決問題的實際需要，採用定性與定量結合的方法，進行實證研究，得出結論：化學學科能力的19種表現形式歸納為3個層次：最基礎的再造性思維能力層次包括對化學事實和化學反應中量的關系的識別和判斷、對化學基礎知識的比較概括；以培養創新能力為核心的創造性思維層次包括化學直覺思維、聯想、對微觀粒子的空間想象為主的非邏輯思維和靈活運用已學的化學知識通過分析、綜合地解決問題為主的邏輯思維；化學實驗能力層次是化學學科能力的最高層次，它以思維能力為基礎，集中體現了化學教學的基本特徵，實驗能力層次包括：選用實驗方法和設計實驗方案，對實驗的評價，研究和處理實驗事實、資料、數據，發現規律，表達實驗及其結果，最終解決問題的能力和發散思維。
  6. The preparation of chain transfer, the mol percent of pea : aa : mma and the time of combind were systermic investigated. the performance of pc was refledted by the neat cement paste fluidity and fluidity losing. the results indicated : ( 1 ) the preparation of chain transfer was one of most factor of control the molecular weight of copolymer and influence the performance of pc

    通過測定減水劑的水泥凈漿流動度及流動度損失宏觀反映合成減水劑共聚體pc的性能，研究結果表明： （ 1 ）鏈轉移劑是控制共聚物分子量影響共聚體pc性能的主要因素之一，在選擇鏈轉移劑zy 、用量為8 aa時的作用效果最佳。
  7. The results indicate that hp can promote the toughness and strength of cement mortar and concrete, and with the increase in hp mixture, compressive strength increases more obviously than bend resistant strength does ; with the hydrosoluble hp fibre added, the microstructure of mortar or concrete will change, the space web structure will be formed, which consists of mixed hydrates and hp films. as a result, the performance of mortar and concrete, with high strength and few apertures, can be improved

    結果表明， hp對水泥砂漿和混凝土有顯著的增韌、增強作用，且隨著hp摻量的增加抗壓強度提高的幅度增大，抗折強度提高的幅度降低； hp水溶性高分子纖維的加入可改變混凝土的微觀結構形態，在混凝土或砂漿中形成了水化產物與hp膜交織的空間網狀結構，使漿體緻密，減小孔隙率，從而影響其整體性能。
  8. The results showed that there existed distinct variation in endosperm cells of leymus species. different species had different endosperm cells. the significant variations were mainly included differences in the sizes, forms and quantity of endosperm cells

    2 .對21個物種的胚乳細胞特徵進行觀察測量，結果表明賴草屬植物種子胚乳細胞存在豐富的多樣性，不同物種的胚乳細胞在大小、形狀和數量上均表現出明顯的差異，其胚乳細胞的特徵具有共屬分種的意義。
  9. Immunohistochemistry method was used to observe the temporal and spatial expression of nmdar2, signal molecules, skeleton proteins and connexins in son neurons and glias ( astrocytes and microglias ). radioimmunoassay was used to detect vasopressin ( vp ) content in plasma before and after hyperosmotic stimulation. ultrastructure between activated son astrocytes and neurons was observed by double immune - electron - microscopic staining method

    應用免疫組織化學方法光鏡下觀察高滲刺激后，大鼠視上核膠質細胞（星形膠質細胞和小膠質細胞）受體（ nmdar2 ） 、信號分子、骨架蛋白及縫隙連接蛋白的表達的時空變化；應用放免測定檢測高滲刺激前後血漿中vp含量。
  10. Multicopy integrants were screened with g418 from pichia pastoris which contains recombinant plasmid, and induced with methanol to secrete interesting peptide. the supernate of pichia pastoris culture was analysed by sds - page and western blotting. a reactive band, which the apparent molecular weight is 36kd, can be detected with sheep anti - hcmv polyclonal antibodies

    重組質粒轉化巴氏畢赤酵母， g418篩選出多拷貝插入的單克隆，甲醇誘導多拷貝插入的單克隆酵母細胞分泌目的蛋白，培養液上清經sds - page電泳分析，在蛋白質印跡中檢測到培養液上清有一表觀分子量為36kd ，能與羊抗hcmv多克隆抗體發生發應的條帶。
  11. Crotalaria mucronata lectin ( cml ) was purified from seeds of crotalaria mucronata by extraction, fraction with ( nhi ) 2864, hog gastric mucin - sepharose 4b affinity chromatography and followed by gel filtration of sephacryl s - 200 hr. cml agglutinated type a human red blood cells specially. the purified cml gave one band pel e ' ectronhoresis and on sds nolvacrvlamide gel electrophoresis

    野花生豆（ crotalariamucronata ）經磨粉、浸取、硫酸銨分級沉澱、豬胃粘蛋白- sepharose4b親和層析、 sephacryls - 200hr分子篩層析可得到一表觀分子量為103kd且對a型血紅細胞專一凝集的野花生豆凝集素（ crotalariamucronatalectin ， cml ） 。
  12. The apparent molecular weight of g6pd, determined by gel filtration, was 220kd ; the subunit molecular weight was 50. 5kd as determined by sds - page, suggesting that the native enzyme was a tetramer consisting of four identical subunits

    凝膠過濾法測定該酶表觀分子量約為220kd ， sds - page測定亞基分子量約為50 . 5kd ，可見該酶是由四個相同亞基構成的四聚體。
  13. The purified lectin showed a single protein band on sds - page, and the subunit molecular weight was 12kd. the molecular weight was 45kd determined by gel filtration on sephacryl s - 100. the result implied that there are four same subunits per lra

    經sds - page檢測為單一蛋白帶，亞基分子量為12kd ， sephacryls - 100凝膠過濾測得其表觀分子量為45kd ，表明lra是由四個相同亞基組成的蛋白。
  14. The nanometer particles are metastable materials that lie between macroscopical materials and atoms or molecules with the characteristics of little size effect, quantum measurement effect, surface effect and macroscopical quantum tunnel effect, etc., thus demonstrating some special properties

    納米粒子是介於宏觀物質與微觀原子或分子之間的過渡亞穩態物質，具有小尺寸效應、量子尺寸效應、表面效應與宏觀量子隧道效應等，從而表現出一些特殊的性質。
  15. By compounding caco3 with pp, the effect of caco3 content, diameter and shape on the crystallization, dispersion morphology and properties of pp / caco3 composites was investigated. the results showed that addition of caco3 into pp decreased the apparent crystal size in perpendicular direction to the ( 110 ), ( 040 ) and ( 130 ) crystallographic planes of ppa crystal, and with similar uniform dispersion of caco3, the dominant factor influencing toughness is the diameter of caco3 particles, but not the decrease of pp crystal size. the toughening effectiveness of nano caco3 is obviously better than that of micron caco3

    將caco _ 3與pp進行填充復合，研究了caco _ 3含量、粒徑及形狀對體系的結晶，分散形態及性能的影響，發現碳酸鈣的加入使聚丙烯晶型垂直於（ 110 ） 、 （ 040 ）和（ 130 ）晶面的表觀晶體尺寸減小，揭示了在分散均勻的情況下，影響材料韌性的主導因素不是晶粒尺寸的減小，而是碳酸鈣的粒徑，納米張玲：彈性體及無機剛性粒子增韌增強聚丙烯復合材料的研究碳酸鈣的增韌效果明顯優于微米碳酸鈣。
  16. Peg and superfluous aa reaction by complete concatenation method, the esterify production " esterify water " and acid number were mensurated, it shows that the esterify reaction would be processed under 100 esterify temperature and with amine accelerantthe tide of esterify reaction was substantiated by ir. in the ir spectrum, the characteristic peak of hydroxy of peg and carboxyl of aa were weakened. and the ester link of peg was reinforce. the " esterify water " was increased gradually and the acid number of esterify production was debased gradually along with the extent of esterify time and the augmentation of molecular weight of peg

    通過聚乙二醇與過量的丙烯酸採用全連續法進行反應，測定酯化產物「酯化水」和酸值等宏觀手段反映出在胺類促進劑、 100的酯化溫度等條件下的酯化進程，而利用紅外光譜（ ir ）分析所反映的聚乙二醇的羥基和丙烯酸的羧基特徵峰減弱，而pea的酯基特徵峰加強等特徵進一步證實了宏觀手段所表現出來的酯化趨勢：隨著酯化時間的延長和聚乙二醇分子量的增大，產生的「酯化水」逐漸增加，酯化產物的酸值逐漸降低；從酯化時間看，當反應時間達到300min時，酯化物的酸值達到最小，而從ir分析來看，酯化物pea4的羥基峰在300min時減弱到最小， pea23在120min時羥基峰的表現出酯化基本完全。
  17. These microlites and richer amorphous region will benefit the polycondensation reaction of pet, the diffusion of volatile by - products, and the approach of the end - groups of pet molecular chains by forming more routeways, which may result in the higher rate of ssp

    作者認為這些更多數量的微晶體有利於固相縮聚過程中副產物小分子的擴散去除及pet大分子鏈端基的擴散接近，從而在宏觀上表現為pet mmt的固相縮聚速率大大提高。
  18. Cloning and expression in pichia pastoris of an alkaline mannanase gene

    1基因重組胞外菊粉酶表觀分子量為90
  19. This was due to three reasons : ( 1 ) baso4 particles were rigid inorganic particles, which could hinder the retraction of polymer molecules and decreased the elasticity. ( 2 ) a bad compatibility between baso4 and tpu, small interface adhesive force and the phase interface ready to separate. ( 3 ) during high content of baso4, the tenacity of filament mainly depended on tpu, so that the strength decreased with the content of tpu in filament down

    這是因為： baso _ 4屬于剛性粒子，阻礙tpu大分子鏈的回縮，降低了纖維的彈性； baso _ 4與tpu相容性極差，共混時容易形成相界面，界面結合力小，受外力作用時相與相間容易發生分離，使纖維的力學性能下降； baso _ 4在高含量下，纖維強度主要由聚合物的力學性能決定，隨著baso4含量的增加， tpu所佔比例下降，從而在宏觀上表現出纖維的力學性能下降。
  20. A man / glc - specific dolichos puepureus lectin ( dpl ) was purified from seeds of dolichos puepureus l. var. by a procedure including precipitated by ammonium sulphate, deae - 52 iron - exchange and sephacryl s - 300 hr gel filtration. the purified dpl showed a single band on page and ief gel, two bands on sds - page under reducing and non - reducing congditions

    黑皮扁豆（ dolichospurpureusl . var . ）經粉碎、浸取、硫酸銨分段鹽析、 deae - 52離子交換和sephacryls - 300hr分子篩層析可得到一表觀分子量為155kd的甘露糖葡萄糖專一的黑皮扁豆凝集素（ dolichospurpureuslectin ， dpl ） ，無血型專一性。
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