molecular number 中文意思是什麼

molecular number 解釋
分子內原子序數和
  • molecular : adj. 分子的,由分子形成的,分子內[間]的。adv. -ly
  • number : n 1 數；數字；〈pl 〉算術。2 （汽車等的）號碼；第…，第…卷，第…期〈通常略作 No （復數 Nos ），用於...
  1. For functional genomics, huge est databases from multiple tissues of a number of tree species have been rapidly accumulated, and molecular analyses on secondary growth and wood formation, flowering, and cold hardiness have given some insights into the metabolic pathways of those tree - specific development processes

    功能基因組學方面，已分析了主要造林樹種多種組織的轉錄組est序列，對林木次生生長與木材形成、開花和抗寒性的形成等過程開展了功能基因組學研究。
  2. Number - average molecular weight, number - average molar mass

    數均分子量
  3. In order to check if it is the aim gene, we devised pcr with a new pair of primer, sequenced and registered the product with registration number : af449446. moreover we forecast and analysis the primary, secondary, tertiary and quaternary structure of the three protein : osftszi, crftszi and crftsz2 which has already cloned by our team before. after that we construct ftsz molecular evolution tree to site them in

    又將生物信息學技術同實驗技術相結合，針對ftsz保守區設計引物擴增出一條衣藻ftsz片段，進行est搜索、比對、拼接，最終克隆出新基因crftsz1 ；連同本試驗室曾經獲得的另一個衣藻crftsz2基因進行蛋白質的一、二、三、四級結構預測、分析及比較尋找進化線索，建立了ftsz蛋白的氨基酸進化樹作進一步的進化定位。
  4. ( 3 ) volume shrinkage of composite decreases greatly with wpu increasing, even can arrive a negative number, but thermal stability is still good. ( 4 ) toughening mechanism is that : the formation of high molecular linear amino formate construct is the toughening reason ; hydroxyl - terminated pu - prepolymer and pf react to produce chemical bond effect which participate cure ; carboxyl - terminated pu - prepolymer and pf form semi - ipn which make toughened pf occur maximum

    （ 4 ）通過紅外光譜對pf / pu共混物分子結構進行的定性分析、以及掃描電鏡對沖擊斷面形貌進行的分析，可證明聚氨酯預聚物增韌酚醛樹脂的機理是：兩個體系都是由於高分子量的線形氨基甲酸酯結構而增韌；端羥基pu與pf在共固化中產生化學鍵效應，參與pf的固化；而端羧基pu則與pf形成半互穿網路而增韌。
  5. Determination of the c - number distribution and average molecular weight of linear alkylbenzene sulfonic acid by paired - ion high performance liquid chromatography

    用離子對高效液相色譜法測定直鏈烷基苯磺酸的碳數分佈和平均相對分子質量
  6. ( 3 ) chapter v. plasma characteristics of rf ion source is investigated. a zero - dimensional numerical dynamic colisional radiative atomic and molecular ( cram ) model is suggested to simulate the microphysical process. all species " population number densities in plasma are calculated in non - thermodynamics equilibrium condition, and proton content in extracted ion current are measured with 60 ? magnetic analyzer

    （ 3 ）提出了高頻離子源等離子體的零維cram模型（ collisionalradiativeatomicandmolecularmodel ） ，計算了非平衡態（ nte ）下等離子體中分子、電子、離子、基態原子、激發態原子等粒子濃度，並在zf - 200kev中子發生器上，用60磁分析器實驗測定了引出束流的質子比。
  7. Study on molecular typing of mycobacterium tuberculosis with variable number of tandem repeats

    數目可變串聯重復序列用於結核分枝桿菌分型研究
  8. The support membrane is polyethersulfone ultrafiltration membrane, the concentration of polyacrylic acid was selected at 0. 05wt %, a suitable paa / pei ratio was 1 / 5 - 1 / 10 with a number of 4 bilayers. the molecular weight of paa was 4 000 000. the corresponding filtration time of the first paa layer range was 10 minutes while the reaction time was 20 minutes

    基膜選用聚醚碸超濾膜，聚丙烯酸濃度為0 . 05wt % ，聚丙烯酸與聚乙烯亞胺濃度配比為1 / 5 - 1 / 10 ，復合四層， paa分子量4000000 ，首層過濾時間10min ，過濾反應時間20min 。
  9. The number density distribution of globular cluster in space will change with time due to the dynamic evolution, especially for those in the central region of the galaxy ; 5. for the power law initial cluster mass function, the peak value of the mass function after the dynamic evolution is sensitive to the lower limit of the initial mass function we adopt. the suggested value in this paper is - 104m, which is consistent with that reduced from the dynamical analyses for the giant molecular clouds

    對于冪率的初始質量譜，球狀星團系統動力學演化后質量分佈的轉折點質量主要是由初始質量函數的質量下限決定的，最為適合的值為10 ~ 4m _ ；冪率的初始質量譜的譜指數對球狀星團系統動力學演化后質量分佈的轉折點質量也有影響，其最佳值為1 . 5 2 . 0 ；經過大約5gyr的動力學演化，冪率的初始質量譜就會演化成為高斯的對數質量分佈並具有在隨后的動力學演化中保持對數高斯形式質量分佈的特性。
  10. Firstly, considering the molecular pump is small and the elimination of heat condition is bad, this paper presents the structure of the mb, including the material of the rotor and stator, the number of magnetic poles, the stator slot shape of mb, the layout of the magnetic poles, the coins winding and so on

    首先綜合考慮了分子泵體積小、磁軸承散熱條件不好的特點，設計了分子泵磁懸浮軸承的結構，選擇了軸承鐵芯的材料，設計了磁極的布置、槽的形狀、磁極數目和線圈纏繞方式。
  11. The results from basic properties, shear resistance, pressure strength and point film test show that different low molecular polyamide may affect extrodinary by the properties of cured expoxy resin the higher viscosity, the lower cured activity ( rate ) ; the higher amine number, the stronger cure construction. the cured expoxy resin will prossess unfavourable mechanics when it is cured by the polyamide with both too high viscosity and amine number

    用基本性能、剪切強度、抗壓強度、塗膜性能測定等方法研究了3種不同胺值及粘度的低分子量聚酰胺對環氧樹脂固化物性能的影響.結果表明，聚酰胺粘度大使固化交聯變難，胺值過高易造成固化收縮；同時粘度過大、游離胺含量過高的產品將對固化物各項力學性能不利
  12. Abstract : techniques of apple genetic transformation can improve apple trees and shorten the breeding cycle by molecular methods. in the last years, great progress has been made in this field, which involves a number of important apple genotypes developed. so far, apple genetic ransformation mainly adopts agrobacterium - mediated technique, involving infection and transgenic tissue regeneration, which are important steps to affect the transformation efficiency. the initial work to the date is to know and to search for the factors which can increase the efficiency

    摘要蘋果的遺傳轉化技術通過分子手段改良蘋果，有助於縮短其育種周期.最近十年，在該領域的研究取得很大進展，涉及到一些重要的蘋果基因型及有用的外源基因.迄今，蘋果的遺傳轉化主要採用農桿菌介導法，侵染與轉化材料的再生是影響其轉化效率的關鍵過程，了解其影響因素，尋找有利因素以提高轉化效率是目前蘋果遺傳轉化研究的重點。
  13. Rapd ( random amplified polymorphic dna ), which bases on the polymerase chain reaction ( pcr ), is by far one of the most commonly molecular techniques to uncover dna sequence polymorphisms. the basic priciple of this technique is that an arbitrary primer ( usually lobp oligonudetide ) is used to amplify random segments of dna, and a small number of fragments will be amplified when the primer anneals on each strand over a length range. if sequence variation is present at the priming site, then a fragment may not be amplied, so the dna polymorphic can be detected

    Rapd （隨機擴增多態性dna ）技術是二十世紀90年代發展起來的一項dna分子多態性檢測技術，它建立於聚合酶鏈式反應（ pcr ）技術基礎之上，利用隨機合成的寡聚核苷酸序列為引物（一般為10個bp ） ，分別與dna的兩條單鏈結合，在dna聚合酶的作用下，對基因組的特定區域進行pcr擴增，其電泳結果為不同大小和數目的dna譜帶即rapd圖譜，可反映基因組相應區域的dna多態性。
  14. Data on the molecular extinction coefficients of a number of compounds of this type are now available in the literature.

    文獻中已發表了一些這類化合物的分子消光系數的數據。
  15. Although a large and increasing number of genes induced by salt stress have been recently identified with the aid of combination of molecular and genetic approaches, their physiological roles in relation to either tolerance or sensitivity are largely unknown in higher plants and many salt - tolerant genes associated have still not been found

    為此，人們從遺傳和細胞水平上對水脅迫下植物體內的變化做了大量而廣泛地研究工作，而且，利用分子和遺傳的手段克隆和鑒定了許多鹽脅迫誘導基因。但是，這些基因在高等植物中耐鹽或鹽敏感的生理作用還很不清楚，而且還有很多耐鹽相關基因沒有被發現或明確。
  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. 3 ) we tested total - family association, within - family association ( via tdt ), and linkage, between the bsrbl marker and bone phenotypes ( bmd and bone size ) at the spine and the hip ( femoral neck, torchanter and intertrochanter ) in chinese 402 nuclear families with a total number of 1263, and found the suggestive linkage ( p - 0. 037 ) between the il - 6 bsrbl maker and the li _ 4 spine bmd. no significant association and linkage was found for bone size and hip bmd. the present studies represented molecular genetic research of bone mineral density, and identified some factors related to bmd in chinese

    3 ）在徵集的402個核心家庭包括1263個個體組成的上海樣本中，利用傳遞不平衡檢測法（ tdt ） 、關聯分析和連鎖分析，檢測了白介素6基因和不同骨骼位點（腰椎、股骨頸、大轉子、轉子間區）的骨密度、骨大小之間的連鎖和/或關聯關系，並發現白介素6基因的bsrb工標記和控制腰椎骨密度的數量性狀位點（ qtl ）之間存在連鎖的證據（ p = 0 . 037 ） 。
  18. The results showed that pcr applify a 485 specific molecular band in 672 individuals, the rate of positive reaction is 60 %, southern blot result shows a strong signal in transgenic fish. it is concluded that hu - - ifn gene has been integrated and expression. it is also that foreign gene integrating position and copy number is different individuals, by elis a detecting, 23. 5 % transgenic fish " were detected hu - - ifn gene expression in all 672 transgenic fish, but expression level of hu - - dfn is significant difference in different individuals and growth period

    2000年共顯微注射32197粒草魚受精卵，出苗12945尾草魚魚苗，經孵化培育最後獲得1120尾五寸左右草魚，對1120尾草魚提取血液總dna進行pcr和southern雜交檢測， 2000年轉導的草魚的pcr檢測結果，有672尾草魚即600k轉化個體的總dna能擴增出一條485kb的特異分子帶，說明轉化個體整合有huj ifn基因，經southern雜交進一步證實，轉入的抗病相關基因己在轉基因草魚體內染色體上得以整合，但整合位點沒有固定區域，整合的拷貝數存在較大差異。
  19. For instance, a number of investigations achieved remarkable extensions of life span in nematode worms by mutating genes similar to those involved in molecular responses to insulin in mammals

    舉例來說，有些研究人員在改變線蟲身上、與哺乳動物胰島素所產生的分子反應類似的相關基因之後，大大延長了線蟲的壽命。
  20. During the temperature of 360410, the weight lose was aboutl. 8 % of both sample a and sample b. the calculating result of n ( water molecular number ) was n = 1. 59 ( sample a ), n = 1. 79 ( sample b ) respectively. li + ion storage properties in xos xerogel films were related to the content of v5 + ion and the situation number that li + ion were capable to hold

    干凝膠的離子儲存能力受到薄膜中vk離子的含量和理離子可占據的總位置數限制，熱處理溫度對理離子的儲存性有一定的影響：低溫時，由於凝膠薄膜中層間水的脫出，有利於注理量的提高；高溫時，有v坍離子產生，不利於注理量的提高。
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