線形分子 的英文怎麼說

中文拼音 [xiànxíngfēnzi]
線形分子 英文
linear molecule
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 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. Robustness of our results was confirmed by high bootstrap support of all nodes in the trees. this result contradicts the batrachia hypothesis ( a salamander + frog grouping ), and is consistent with bolt ' s hypothesis ( 1991 ) basing on the morphological data. the result was also supported by previous molecular studies based on mitochondrial and nuclear rrna data

    這個結果與蛙類假說是相矛盾的，與bolt （ 1991 ）中國澤蛙線粒體基因組結構及種群系統地理學研究在形態學基礎上提出的絨蝶類和蚓螺類為姐妹群關系的假說相一致，並得到建立在線粒體和核trna基因數據基礎上的許多分子研究的支持。
  2. [ objective ] heparin is linear polysaccharides consisting of repeating disaccharide unit backbones of n - acetyl - d - glucosamine that is linked to d - glucuronic acid. the disaccharide repeat unit can be modified to include n - and o - sulfation ( 6 - o and 3 - o sulfation of the glucosamine and 2 - o sulfation of the uronic acid ). these specific sulfate patterns are involved in the interaction of heparin with other molecules

    [目的]肝素是由n -乙酰葡萄糖胺與d -葡萄糖醛酸以1 4糖苷鍵連接起來的重復二糖單位組成的線性多糖，葡萄糖胺可帶有n -硫酸基團，可在c6上形成0 -硫酸酯，帶有硫酸基團的獨特結構參與了肝素與其他分子的相互作用。
  3. The adsorption isotherm of neptunium on silica gel correspond to the form of langmuir isotherm. according to clausius - claperon equation, from the slope in inkd vs 1 / t plot, adsorption heat could be estimated. from the data of adsorption heat it is concluded that the adsorption of neptunium on silica gel in nitric acid solutions belongs to chemical adsorption and the adsorption process is an endothermic reaction

    三種價態的鎿在硅膠上吸附的等溫線符合蘭格繆爾吸附等溫線的形式，是單分子層吸附；根據克勞修斯-克拉柏龍方程，以1nkd對1 t作圖，通過直線斜率計算出吸附熱，從吸附熱的數據可判斷三種價態的鎿在硅膠上的吸附屬于化學吸附，是吸熱的過程；對npov ） 、 np （ v ）和np （ vd在硅膠上的吸附進行了比較，提出了三種價態的鋒在硅膠上吸附的機理。
  4. Abstract : molecular deposition ( md ) film, a nano film, is assembled by the interaction of static charge between cationic and anionic compounds. the micro - friction properties of an md film on silica has been studied with atomic force microscope ( afm ). it has been found that the md film has lower coefficient of friction as compared with the original surface of silica. moreover, based on the analyses of the surface force versus distance curves, photographic image, friction force image, and modulated force image, it is concluded that the friction reduction effect of md film on silica is attributed to the surface adhesion reduction and surface micro - modification

    文摘:利用原子力顯微鏡對石英巖表面單層分子沉積膜的微觀摩擦特性進行了研究，發現該分子沉積膜具有一定的減摩性.通過對其表面力-位移曲線、表面形貌像、調制力像和摩擦力像的進一步分析表明，石英巖表面分子沉積膜具有減摩作用的原因在於它能夠降低表面的粘著力並對表面具有微觀修飾作用
  5. There is alkenyl double bond in the molecular structure and can form linear homopolymer and all kinds of copolymers by various polymerization reaction

    該分子結構中含有烯基雙鍵，可以通過各種聚合反應，形成線性均聚物和各種共聚物。
  6. The crystalline structure changes of pp induced by pan - milling were characterized by x - ray diffraction and raman spectroscopy. xrd analyses show that when pp was co - milled with uhmwpe, crystal transformation of pp occurred, its crystallinity and crystallite size decreased, whereas, only slight reduction of crystallinity and crystallite size were observed and no crystal transformation was found when pp was co - milled with wtr chips, and amorphization of pp was strongly enhanced by co - milling pp with iron

    採用x -射線衍射研究了聚丙烯碾磨粉碎過程微觀結構變化， uhmwpe存在下pp發生晶型轉變、結晶度降低和晶粒尺寸減小；彈性材料wtr抑制pp塑性變形，碾磨導致分子堆積有序區域膨脹，晶面間距增大，結晶度下降；剛性材料金屬鐵與pp產生強烈摩擦，加快晶粒細化，晶格破裂導致非晶化。
  7. Among avian orders, the anseriformes ( screamers and waterfowls ) are a morphologically and biologically diverse group containing ca. 150 species distributed worldwide except antarctica. this paper will review the phylogeny of anseriformes firstly and then discuss the molecular phylogeny of anseriformes based on the genetic variation of mitochondrial 12s rrna gene and cytochrome b gene respectively

    本文首先對雁形目鳥類的系統發生研究進行了綜述，然後分別基於雁形目鳥類線粒體dna12srrna基因和細胞色素b基因全序列的遺傳變異分析，探討了雁形目鳥類分子系統發生。
  8. Surface states and the topmost surface atoms of the batio3 thin films have been analyzed by x - ray photoelectron spectroscopy ( xps ) and angle - resolved x - ray photoelectron spectroscopy ( arxps ). the results show that the as - grown batio3 thin films have an enriched - bao nonstoichiometric surface layer which can be removed by ar + ion sputtering, and the atomic ratio of ba to ti decreases with increasing the depth of ar + ion sputtering

    用x射線光電子能譜技術（ xps ）和角分辨x射線光電子能譜技術（ arxps ）研究了薄膜的表面化學態以及最頂層原子種類和分佈狀況，結果顯示在熱處理過程中薄膜表面形成一層富含bao的非計量鈦氧化物層，並且鋇-鈦原子濃度比隨著探測深度的增大而逐漸減小。
  9. Consideration of the additional axial, two angular deformations generated by the bond slipping in anchorage zones of joints, the assumption is made, that the plane section of either end of a member before bond slipping of reinforcements remains afler bond slipping of reinforcements. additional deformations * contribution to stif ? nesses of plastic sub - elements is formed from the boundary nonlinearity of plastic stabelements. the space bond slip relation can truly compute bond slip in anchorage zones, additional def ? rmatinns, and their contribution to the space nonlinearity of a niember, has used iii space nonlinear analysis of columns and spandrel beams in this dissertation

    附加變形對塑性子區域的剛度貢獻，看作是塑性子區域的邊界非線性，建立了構件端部子區域基於構件邊界非線性的鋼筋與砼之間的空間粘結滑移關系，能較真實地求得錨固區的粘結滑移、附加變形以及他們對構件空間非線性性能的貢獻，並運用於柱、裙梁的空間非線性分析之中。
  10. The theory hypothesis of " pore restriction " is first proposed in this paper. during polymerization, one end of linear molecule inserts the channels of zeolite to form hard end through chemical bond or supermolecule acting force, the other end forms soft end through condensing or polymerizing with other monomer molecule. on the basis of the theory hypothesis, a kind of novel pattern of organic - inorganic composite materials - pu / zeolite composite materials - has been designed

    本文首次提出了「孔約束」的理論假說，即在高分子材料聚合過程中，線型分子的一端通過化學鍵或超分子作用力插入分子篩的孔道中形成硬端，而另一端則與其它單體分子縮合或聚合形成高分子材料的軟端；在此假說的基礎上，設計了一類孔約束型有機?無機復合高分子材料的新模式，即聚氨酯/沸石分子篩復合材料。
  11. Scanning electron microscope ( sem ) and x - ray photoelectron spectroscopy ( xps ) studies indicated that the additive of cs _ 2 took part in the sei film - forming in the process of battery cycles. the elements of carbon, oxygen and fluorin are the main members in the compounds of sei film. sulfur is also one of the main elements of the sei film when the electrolyte included additive of cs _ 2

    利用掃描電子顯微鏡和x射線光電子能譜研究表明，二硫化碳在電池的循環過程中參與了sei膜的形成， sei膜的組成物質中主要是c 、 o 、 f三種元素，加入二硫化碳后， s元素也成為主要組分， sei膜的主要組成物質有烷基氧鋰、烷基碳酸酯鋰、碳酸鋰、硫酸鹽、聚烯烴及氟化鋰等。
  12. In 1990s, a calculation of the ground - state energy of an exciton confined in a cylindrical quantum wire in the presence of a uniform magnetic field is reported as a function of wire radius, using a variational approach by gang li, spiros v. branis and k. k. bajaj. a. balandin and s. bandyopadhya present variational calculations of the ground - state exciton binding energy and exciton radius in a quantum wire subjected to an external magnetic field. these studies have been primarily responsible for our current understanding of the nature of excitonic states in a quantum wire subjected to an external magnetic field

    九十年代中期，人們就開始了關于在外加磁場時量子線中激子特性的研究， gangli ， spirosv . branis和k . k . bajaj利用變分法，對于圓柱形的量子線中激子的基態束縛能進行了計算，發現對於一個給定的磁場值，激子的基態束縛能比不加磁場時變大。
  13. One of the branches is environmental archaeology. environmental archaeology development experienced three stages, linear model, early systematic model and later systematic model. four research areas, are formed gradually including geoarchaeology, archaeobotany, zooarchaeology and bioarchaeology

    環境考古學的發展經歷了線形模式階段系統模式前階段和系統模式后階段3個時期，並逐漸形成4個主要的研究領域：地學考古植物考古動物考古和分子生物考古，其中地學考古涉及到地貌學沉積學土壤學和地質年代學。
  14. Zno thin films were deposited on silicon ( si ) and glass substrate by reactive radio frequency sputtering ( rf ) technique with zinc target in the mixed gas of ar ando2, and used zno buffer improving the quality of zno thin film. the effects of parameters on the thickness, composition, texture, morphology, optical properties and electrical properties of zno thin films had been systematically investigated by means of xrd, xps, sem, afm, pl and hall test system

    採用x射線衍射（ xrd ） 、 x射線光電子能譜（ xps ） 、掃描電子顯微鏡（ sem ） 、原子力顯微鏡（ afm ） ，光致發光譜（ pl ）和霍爾效應測試技術系統研究了濺射工藝和退火工藝對zno薄膜的厚度、成分、織構、表面形貌、光學性能和電學性能的影響規律。
  15. To search for high - velocity molecular emission toward massive star formation regions, and to study the connections between h2o masers, iras objects and outflow properties, we carried out a co observation for a h2o maser sample. we found that most of the objects have excess high velocity emission produced by outflows ; we find a significant correlation between co line full widths and iras luminosities. the widths are proportional to the iras luminosities

    通過在大質量恆星形成區搜尋高速分子輻射，並且研究它們與星際h _ 2o脈澤源和所聯系的紅外源之間的關系，我們發現絕大多數源都存在著氣體的高速運動並且它們是由分子外流產生的；我們同時發現在co分子的譜線全寬和所對應源的紅外光度之間存在很好的相關性，線寬隨紅外光度增加而變大。
  16. The developments and applications in flow injection vapor generation atomic absorption spectrometry ( fi - vgaas ) in recent years were reviewed, involving on line separation and preconcentration, on line digestion and prereduction, on - line speciation analysis and typical applications of these techniques

    摘要綜述了近年來流動注射蒸氣發生原子吸收光譜分析（ fi - vgaas ）技術的進展及應用，主要包括在線分離和預濃集、在線消化、在線預還原、在線形態分析技術。
  17. In order to discuss the friction and wear mechanisms of mos2 nanoparticles, it was analyzed that the chemical status of elements existed on the rubbed surface by x - ray photoelectron spectroscope, and it was observed that the surface topography of wear zone by scanning electron microscope

    通過x射線光電子能譜儀（ xps ）分析磨痕表面元素的化學狀態，掃描電子顯微鏡（ sem ）對磨痕的表面形貌進行分析，從而總結了納米二硫化鉬在n46機械油中的摩擦磨損機理。
  18. Within 3mm of near the al target, there were the continuum spectra and the line emissions, the former was produced by bresstrahlung and compound of electrons, the later came from the excited state of al, al + and al2 +. in order to analyze the shape of the aluminum resonant double lines, al 1396. 15nm and al i394. 40nm, relative intensities of the double lines were acquired by integrating the area under the double lines, respectively

    在近靶面3mm左右的范圍內， a1等離子體的發射光譜主要是連續輻射形成的連續譜和疊加於連續譜上的分立譜，其中連續輻射主要由電子的韌致輻射和復合輻射產生， a1原子譜線比離子譜線在空間上分佈范圍更廣。
  19. Because in the drinking water has the slight pollutant content to be low, may use the ideal solution adsorption theoretical model ( iast ) to process, the result is satisfying, this model to studies the activated charcoal to add water has the slight pollutant the adsorption rule to have the extremely important guiding sensein addition, the solute measurement replacement adsorption model ( sdm - a ) also obtained to the above research system has imagined not the but actually result, namely appeared " v " the glyph extension broken line in adsorption isothermal chart

    鑒于飲用水中三氯甲烷含量較低，採用理想溶液吸附模型（ iast ）來指導其吸附動力學的研究，結果令人滿意，另外，溶質計量置換吸附模型（ sdm - a ）應用於上述研究體系也取得了意外收獲。即在其吸附等溫線圖上出現了「 v 」字形的轉折線。該點對應飽和吸附量，可用來判斷單分子層和多分子層吸附的分界點。
  20. For xlpe insulated power cable, either chemical method or physical method is employed to transform the molecular structure of pe from chain into three - dimensional network, i. e. thermoplastic pe is transformed into thermosetting xlpe. after cross - linking, the thermal and mechanical properties of pe have been greatly improved while its excellent electrical property are still retained

    交聯聚乙烯絕緣電力電纜是採用化學方法或物理方法，使聚乙烯分子由線形分子結構轉變為三維網狀結構，由熱塑性的聚乙烯變成熱固性的交聯聚乙烯，從而提高了聚乙烯的耐老化性能、機械性能和耐環境能力，並保持了優良的電氣性能。
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