水雙分子 的英文怎麼說

中文拼音 [shuǐshuāngfēnzi]
水雙分子 英文
water dimer
  • 水 : 名詞1 （由兩個氫原子和一個氧原子結合而成的液體） water 2 （河流） river 3 （指江、河、湖、海、洋...
  • 雙 : Ⅰ形容詞1 （兩個） two; twin; both; dual 2 （偶數的） even 3 （加倍的） double; twofold Ⅱ量詞（用...
  • 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...
  1. Typical examples include common elements such as oxygen, helium and the relative new carbon - 60 ; the anaesthetic gases such as nitrous oxide lathing gas and ether, urea - the first man - made organic compound, consumer products such as adhesives and the sugar substituted aspartame ; dna the coil of life ; and the fiascos in the proclaimed discoveries of cold fusion and memory effect of water

    主要內容包括：氧、氦、笑氣、乙醚、碳60等元素及化合物的發現， 11 .第一個有機化合物的合成，各類日用黏貼膠的制備，代糖aspartame的發現， dna雙螺旋結構模型的釐定以及冷核聚變和水分子記憶功能兩項發現的鬧劇。
  2. We have calculated one - and two - photon absorption cross sections of the lowest excited states of a series of molecules combined with benzene, stilben, thiophene as center attached with amine, diphenylamine, diethylamine as electron - donor and nitryl as electron - acceptor ; the effects of molecular length, n center and electron - donor on two - photon absorption cross sections have been studied and all calculations have been carried out using the density functional theory at an ab initio level. it is found that the molecular length and the one - photon absorption intensity are quite strongly c orrelated factors, and that a corresponding correlation for the two - photon absorption is decreasing. it is also found that a most crucial role for the two - photon absorption is played by the n center

    我們分別以苯、二苯乙烯、噻吩為中心，氨基、二苯氨基和二乙氨基為電子給體，硝基為電子受體組合形成的分子為研究對象，在從頭計算的水平上用密度泛函理論計算了這些分子在低激發態下的單、雙光子吸收強度，重點研究了分子的長度、中心和給體的供電子能力對分子單、雙光子吸收的影響。研究結果表明，分子長度與單光子吸收強度之間有密切關系，而在雙光子吸收中這種關系較弱；中心在雙光子吸收中具有重要的作用；在中心和受體一定的情況下，增加給體的供電子能力，可提高雙光子吸收強度。
  3. As analyzed, ( 1 ) the rapd technique is highly sensitive to investigating genetic diversity in t. lepturus and e. muticus. t. lepturus exhibits lower polymorphism and genetic diversity than e. muticus ; ( 2 ) according to the analysis of the partial mitochondrial 16s rrna gene sequences, a very low intraspecific variation and considerably high divergence among species were found, which reveals a dual nature of conservatism and variability in mitochondrial 16s rrna gene ; ( 3 ) five primers generate the species - speeific rapd sites and these sites can be served as the molecular markers for species identification and ( 4 ) it can be proved at dna variation level that t. lepturus and e. muticus are of two species respectively pertainiag to different genera, which supported the nelson taxonomic conclusion

    分析結果表明: （ 1 ） rapd技術研究黃海帶魚和小帶魚的遺傳多樣性具有較高的靈敏度和檢出率，帶魚的多態比例和遺傳多態度均較小帶魚的低; （ 2 ）線粒體165出兇a基因序列在分析兩物種遺傳變異時表現出保守和變異的雙重特性，種內變異極小而種間較大: （ 3 ） 5個隨機引物擴增出種特異的ra衛d帶，可作為種間分子鑒定標記; （ 4 ）研究證實帶魚和小帶魚是不同屬的兩個種，從而在分子水平上支持了nelson分類系統的觀點。
  4. The interactions between particles were discussed based on dlvo and edlvo theories. experiment results show the effect of the ph on the dispersion is due to the repulsion interactions of electrical double layer ; and addition suitable inorganic dispersant or organic macromolecule dispersant results in improvement the stabilization of the dispersion. the main action of the inorganic dispersants is to increase the repulsion interactions of electrical double layer and the main action of organic macromolecule dispersant is to increase hydration shell and steric hindrance

    研究表明： ph對顆粒分散的影響主要體現在對顆粒間雙電層靜電排斥力的改變；添加合適分散劑可以改變顆粒在水中的分散性；無機電解質的分散機制主要是增加顆粒表面的雙電層靜電排斥作用能，而高分子分散劑的分散機制主要是增加顆粒的水化膜排斥能和位阻排斥能；復合分散劑的分散效果要優于單一分散劑；提出了用經時損失性來評價分散穩定性。
  5. The molecules we studied are a series of trans - stilbene derivatives. first, we applied dft method optimized the new synthesis molecule 4, 4 ' - bis ( dimethylamino ) stilbene ' s structure, and used few states model calculated its tpa cross section. the results agree well with the experiment data

    首先，我們在密度泛函理論（ densityfunctiontheory ）的水平上對最近合成的分子材料4 ， 4 -二甲氨基二苯乙烯的結構進行了優化，然後採用少態模型方法計算了分子的雙光子吸收截面，得到了與實驗符合很好的結果。
  6. Some amino acids and drugs imprinted spheres ( mipm ) were prepared via seeds swelling and suspension polymerization, suspension polymerization and emulsion polymerization. the physical and chemical properties of the polymers were analyzed by scanning electron microscope, thermogravimetric analyzer, electron spectrum and solid phase extraction ( microextraction ) technology. the imprinting and recognizing principle of mipm in water was studied through bi - templates imprinting method as well

    分別採用種子溶脹懸浮聚合法、懸浮聚合法和乳液聚合法，在水相中體系制備得到了一系列氨基酸和藥物印跡的分子印跡聚合物微球（ mipm ） ；採用掃描電鏡、熱失重分析、電子能譜分析、固相（微）萃取等技術對制備所得的mipm進行了分析和表徵；採用雙模板印跡的方法對水相中mipm的印跡和識別機理進行了探討。
  7. It introduces the method of self - adjustment, build the - of predictive fuzzy control. the controller mainly fulfils the following operations ; 1 burring the signal or the m oisture 2applying the blurred control theory and the last, the aim of controlling the moisture of the pulp is achieved through the output control signal of the monolithic microcomputer blurred control

    預測模糊控制的控制器主要功能如下：把水分含量信號模糊化；應用模糊控制推理規則進行分析；根據雙因子模糊控製表進行模糊決策；並把模糊決策與預測控制結合起來對球磨機制備料漿水分含量實施控制。
  8. And the no - isothermal structure can accelerate the breaking of gravity wave in mesospause, and the breaking of gravity wave is an important source of convection and small - scale waves. the propagation of gravity wave will affect the distribution of minor species. the breaking of gravity wave accelerates the downward transport of atomic oxygen, some smaller - scale structures appear on the horizontal distribution of atomic oxygen number density, and other chemical species are also affected due to the chemical reaction with atomic oxygen and the propagation of gravity wave

    在重力波的傳播過程中，氫氧大氣成分的水平和垂直分佈均受到了不同程度的影響，以氧原子的響應最為明顯，而其中重力波破碎在氧原子水平分佈上的反應則是非線性重力波過程的一個重要表現；另外，分析顯示，重力波的非線性傳播對oh氣輝的峰值分佈由明顯影響，小尺度重力波的傳播有時會引起oh氣輝出現奇異的雙峰分佈，重力波的破碎現象也可以從對氣輝的觀測中反映應出來，這對利用氣輝觀測研究重力波傳播特性有非常重要的指示意義。
  9. An amphiphilic compound has a polar head which dissolves in water ( hydrophilic ) and a water insoluble organic tail

    雙親分子有一個能溶解在水中的極性基團和一個疏水尾。
  10. A novel aqueous two - phase system can be formed by the mixtures of a polymer and cationicanionic surfactants. such a system can be used as a partitioning system of proteins. in this work, we investigated the formation, phase behavior and protein partitioning in aqueous two - phase systems formed by dodecyltriethylammonium bromide / sodium dodecylsulfate / peg and dodecyltriethylammonium bromide / sodium dodecylsulfate / dextran. the ligands with affinity were attached to the polymers and the affinity partitioning of proteins was investigated. it was shown that the surfactants and polymers are enriched in different phases of aqueous two - phase systems. phase separation are promoted by increasing temperature and adding inorganic salts. different proteins are partitioned in different phases. the selectivity of protein partitioning is increased by adding ligands with affinity

    報道了由正負離子表面活性劑與高聚物混合溶液形成的一種可用於蛋白質的分離及分析的新型雙水相萃取體系.研究了正負離子表面活性劑（溴化十二烷基三乙銨/十二烷基硫酸鈉）分別與葡聚糖和聚乙二醇混合雙水相體系的形成規律、相行為及牛血清蛋白和溶菌酶在雙水相體系中的分配.通過在高聚物分子中接上親和配基，研究蛋白質在雙水相體系中的親和分配.結果表明，在該體系中，表面活性劑與高聚物分別富集於不同相中.升高溫度及加入無機鹽均可促進雙水相體系的形成，不同蛋白質可分配于不同的相中.親和配基的引入極大地增強了蛋白質分配的選擇性
  11. Finally glycyrrhiza as the raw material were extracted by the aqueous two - phase. the influences of the extraction time, temperature, the extractant ration ( filtrate / extractant ), quantity ration were studied. the optimum condition was also determined

    最後以甘草為原料，用雙水相萃取技術提取甘草酸，對于不同分子量的聚乙二醇peg ，考察了提取時間、溫度、萃取劑比例（濾液萃取劑）和雙水相組分比聚乙二醇與硫酸銨質量比[ peg （ nh ） 4so4 ]對萃取量的影響，從而確定它們的最佳工藝條件。
  12. Agitation causes the bi - layer to break up, forming small beads of the lipid - called “ micelles ” or “ vesicles ” - that are dispersed in the water

    攪拌會破壞雙分子層，形成散布在水中的脂類的細珠? ?稱為「膠團」或「泡」 。
  13. When mixed with water, this type of lipid will spontaneous sly form a bi - layer, similar to the layering that occurs when non - stick cooking oil is poured into water

    和水混合時，這種脂類會自動形成雙分子層，就象把烹調油倒入水中時發生的現象一樣。
  14. It was found that in the simulated physiological solution, the hydrogen bindings between some amido groups in the mp - 11 molecules are decomposed and the mp - 11 dimers become monomers. it induces the increase in the contents of the a - helical and ( 3 - turn conformation, the decrease in the content of the random coil conformation of mp - 11 as well as the increase in the exposure extent of the heme group. therefore, the reversibility of the electrochemical reaction and the electrocatalytic activity of mp - 11 for h2o2 reduction increase comparing the situation in the aqueous solution

    發現在模擬生理條件下， mp - 11分子的多肽鏈上一些酰氨基的氫鍵發生了解離，使部分雙聚的mp - 11分子變成單體分子， mp - 11分子二級結構中-螺旋和-轉角結構的含量增加，無規捲曲結構含量降低，導致了mp - 11分子中血紅素的暴露程度變大，因此mp - 11電化學反應的可逆性和對h _ 2o _ 2還原的電催化活性比在水溶液中有所增加。
  15. In the packing of amphiphilic molecules, like units of the molecules interact with each other, i. e., the polar units associate with each other ; likewise, nonpolar unites associate to form hydrocarbon layers in the lamellar packing

    在層狀相中雙親分子的堆積類似於分子單元間的相互作用，即極性基團與極性基團締合形成親水層，而非極性基團之間締合形成疏水層。
  16. The catena product wholly design for transporting definite corrosive medium have granule or crystal, adopt steel pad uhmw - pe to made it. owned excellent resist causticity and reputably resist attrition, structure and design is model of hang arm front - karat, impeller is half karat model no front cover, boost up transit capability of passage. let the granule and impurity of medium pass pump - cavity quickly not to jam

    本系列產品專為輸送具有一定腐蝕性且含有細顆粒或有結晶的介質而設計，採用鋼襯超高分子量聚乙稀模壓成型工藝製造，具有優異的耐腐蝕性和卓越的耐磨性能，結構設計為懸臂前開式，葉輪為半開式無前蓋板，增強了流道內的通過性，使介質中的顆粒及雜質很快通過泵腔而不會堵塞，軸封為k型氟橡膠密封環外帶冷卻水套，兼顧了耐腐與耐磨的雙重要求。
  17. Secondly the cellulase liquid as the raw material were extracted by the aqueous two - phase. the influences of molecular weight of peg, concentrations of peg and salt, ph value, the phase volum ratio etc, the extraction rate and the partition coefficients were studied. the optimum condition was also determined

    其次以纖維素酶液為原料，用雙水相萃取技術提取纖維素酶，考察了不同分子量的高聚物聚乙二醇peg和其質量濃度、其鹽濃度、 ph值、相比等對萃取率和分配系數的影響，確定出雙水相萃取纖維素酶的最佳工藝條件。
  18. Major difference of hn proteins lies in no. 18 - no. 75 amino acid residues on n - terminal which includes three active sites of hn protein. the influence on biological action, caused by the difference of hn protein, is needed to study further. hn gene has only four glycosylation sites, which is 1 or 2 less on amount than that of other strains. so, this difference can be take on as a natural mark of ndv b95 strain furthermore, the fragment encoding hn gene was excised from the positive clone pgem - hn with sail and saci enzyme, and purified by agrose gel fraction method. then the fragment was subcloned into the pet - 28c expressing vector digested by sail and saci restriction enzyme

    作者將正確的重組克隆質粒pgem - hn用saii 、 saci雙酶切，電泳回收目的片段，將其亞克隆到經saii 、 saci雙酶切處理的pet - 28c中，轉化大腸桿菌tgi感受態細胞，得到的轉化子經pcr鑒定和酶切分析，篩選出符合閱讀框的重組子，構建成重組表達質粒pet - hn ，並在大腸桿菌bl _ （ 21 ） （ de _ 3 ）宿主菌中成功地表達了含目的蛋白的融合蛋白，融合蛋白的分子量約66kd ，加入iptg誘導8h后，蛋白表達幾乎達到最高水平。
  19. The aqueous two - phase system has been applied to the separation of biomolecules because of its gentle character, easy operation and high separating efficiency

    摘要雙水相體系由於性質溫和、操作方便、分離效率高，以及不會導致被分離物質的破壞和失活等優點，被廣泛應用於生物大分子物質的分離和純化。
  20. Ca2 + ions from the reactants attended to be absorbed in the diffusion dilayer by the so3 - anion. calcium ions could compress the diffusion dilayer and reduce the aggregation number of aot molecular because of the higher charge density. the absorbance of ca2 + ions change of phase diagram of system and water core diameter

    反應試劑溶液中的ca ~ （ 2 + ）離子傾向于被吸附在aot極性頭基的- so _ 3 ~ -陰離子附近，壓縮了極性頭基水解產生的擴散雙電層，使得aot分子的聚集體變小，也使得處于束縛狀態的水分子數量減少。
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