molecular group 中文意思是什麼

molecular group 解釋
分子團
  • molecular : adj. 分子的,由分子形成的,分子內[間]的。adv. -ly
  • group : n 1 群;批,簇。2 集團,團體,小組。3 【化學】基,團,組;(周期表的)屬,族。4 (雕塑等的)群像...
  1. Based on characteristics and connectivity of the groups in molecules, the group contribution method and topological method was combined together, a new method was developed which can be used to calculate the density of alkyne from molecular structure

    摘要根據分子中基團的特性和連接性,將基團貢獻法和拓撲方法結合在一起,發展了一種計算炔烴密度的新方法基團鍵貢獻法,該方法具有基團貢獻法適用范圍廣和拓撲方法計算結果準確可靠的特點。
  2. Control group was used by routine treatment with compound salviae miltiorrhizae and cytidine diphosphate add in low molecular dextran, treatment group was used by routine treatment and xanthinol nieotinate add in glucose or normal saline solution

    對照組採用復方丹參、胞二磷膽堿加入低分子右旋糖酐靜脈滴注,治療組在此基礎上加用煙酸占替諾加入葡萄糖溶液或生理鹽水靜脈滴注。
  3. The main synthetic methods of etherified end group capped polyether, the molecular structure of etherified end group capped polyether influencing on the product characteristics and the technical progress of etherified end group capped polyether in recent years were discussed emphatically

    摘要重點論述了醚化封端聚醚的主要合成方法、醚化封端聚醚的分子結構對產品特性的影響,以及近年來醚化封端聚醚的技術進展。
  4. Lb has a heme prosthetic group and an apoprotein component of 15600 to 15900 molecular weight

    Lb含有血紅素輔基和一個分子量為15600到15900的脫輔基蛋白。
  5. Consisting of the protracting graph of hydrogen - like atom ' s angle distributing, computer simulation of the symmetry of molecular orbital and chemical reaction mechanism, showing the molecular point group and symmetry element, computer simulation of molecular vibration, bravias ' s crystal lattice and their transforming, extracting of plane periodic lattice, extracting of solid periodic lattice, close packing of isometrical pellet and the structure of simple mental substance, close packing of unequal pellet and crystal structure of representative ionic crystal, computer simulation of phase analysis by x - ray diffraction

    內容包括類氫原子角度分布圖的繪制,分子軌道對稱性和反應機理的微機模擬,分子點群和對稱元素顯示,分子振動運動的微機模擬,布拉維晶格和晶格轉化,平面點陣抽取,立體點陣抽取,等徑網球的密堆積和金屬單質結構,不等徑圓球密堆積和典型離子晶體結構, x射線多晶衍射的微機模擬十個子模塊。
  6. Lb has a haem prosthetic group and an apoprotein component of 15600 to 15900 molecular weight.

    Lb含有血紅素輔基和一個分子量為15600到15900的脫輔基蛋白。
  7. ( 4 ) the molecular phylogenetic trees suggest that bagrid catfishes form a monophyletic group, and the genus mystus is the earliest divergent in east asian bagrid catfishes, as well as the genus pseudobagrus is a monophyletic group but the genus pelteobagrus and leiocassis are complicated

    ?科構成一單系類群,其中蠖屬為較為特化的屬,擬?屬為一明顯的類群,而黃顙魚屬和?屬關系較為混亂。
  8. Cytochrome b gene compared with characiforms, cypriniforms and salmoniforms ; ( 2 ) the molecular phylogenetic trees suggest that siluriforms form a monophyletic group and have a close relationship with characiforms ; ( 3 ) the families of pangasiidae, claroteidae, ictaluridae, cranoglanididae, schilbidae and clariidae form a monophyletic group in the three molecular phylogenetic trees. the family bagridae branched with schilbidae which comes from china ; the family akysidae branched with amblycipitidae, but the phylogenetic positions of the families siluridae, sisoridae and pimelodidae are not recognised

    魚芒科、棘脂?科、叉尾?科、長臀?科、刀鯰科與鬍子鯰科在三種方法構建的分子系統樹中均結合在一起,形成一大單系群; ?科均與來自中國的刀鯰科魚類聚在一起;粒鯰科與鈍頭跪科也均聚在一起;但鯰科、 ?科和油鯰科的系統發育位置不定。
  9. The chilopoda and diplopoda are monophyletic group respectively. although there are some limitations, the mitochondrial dna as a model system is being used as a powerful tool in phylogeny analysis. it is the only molecular marker that can be used in the phylogenetic studies at genomic level

    線粒體dna基因組全序列作為研究動物系統發生的模式系統,雖然有一定的缺陷,但仍是生物學家研究系統進化最有力的工具,它是目前唯一可以提供基因組水平上進行系統發生研究的分子標記。
  10. The results show that ( 1 ) loops are in general more variable than stems, and in loops a strong adenine bias are observed : ( 2 ) there does not exist a saturation effect in stems, loops or all positions of the 16s rrna gene fragments : ( 3 ) in the molecular cladogram, bagarius forms a sister group with glyptothorax, and euchiloganis forms a sister group with pareuchiloglanis, and exostoma forms a sister group with glyptosternum : ( 4 ) the phlogenetic positions of pseudecheneis, exostoma and glyptosternum are not recognized ; the glyptosternoid fishes are not monophyly although they are defined by 13 osteological apomorphies ; the incongruence of cladograms between molecular and morphological sets may be caused by less informative sites of the 550 homologous sites ; ( 5 ) e. davidi and e. kishinouyei could be the same species according to the genetic distances ; p. sinensis and p. anteanalis could be too

    結果表明: ( 1 )環區平均變異位點較莖區多,有很強的a偏好性; ( 2 )沒有替代飽和現象; ( 3 )分子系統樹上?屬和紋胸?屬構成姐妹群,石爬?屬和?屬構成姐妹群, ?屬和原?屬構成姐妹群; ( 4 ) ?屬、原?屬和褶?屬的系統發育位置不定, ? ?魚類並未形成一個單系類群;可能的原因是所得到的16srrna基因片段信息位點太少; ( 5 )青石爬?和黃石爬?可能是同一物種,中華?和前臀?可能是同一物種。
  11. The phylogenetic relationship of cordyceps based on the its sequence analysis of rdna showed all of the species in this experiment have been divided into two groups by molecular systematic classification, group one including the species with perithecia wholly immersed, and group two including those with perithecia not or half immersed. it means the position of perithecia in the stroma is very important characteristic

    在埋生類群中,子囊殼斜埋生的種,即屬于新蟲草亞屬的沫蟬蟲草和雙頭蟲草,以及蟲草亞屬的下垂蟲草都被歸到一個類群之中,垂直埋生的類型被歸到另一類群中,在埋生類群中,除大團囊蟲草和c 。
  12. Calculated with nei ' s formula and the unweighted pair - group method with arithmetic averages ( upgma ), the cluster analysis results demonstrated that the classification of seven strains of spirulina platensis with rapd markers is consistent with some of their physiological and biochemical characters as well as some molecular biological characteristics

    用nei 』 s公式與歐氏距離類平均法對此擴增結果進行聚類與親緣關系分析。結果表明, rapd分類結果與7株材料的某些生理生化和分子生物學特性相吻合。
  13. In this work, some species of palmae cultivated in the xiamen botanical garden had been selected to be analyzed their genetic diversity with rapd ( random amplified polymorphic dna ) technique. according to the result of genomic dna amplified with pcr ( polymerase chain reaction ), genetic distance and similarity between different palm species were calculated on nei " s estimate of similarity and genetic distance. a primary but first time research at the phylogenetic relationships of some genera and species, the molecular classification and identification of some puzzling species of palmae was carried out through upgma ( unweighted pair group mean average ) cluster analysis of the genetic distance together with comparative study of the morphological structure characteristics

    本文在初步調查分析了棕櫚科植物在我國的自然分佈、引種馴化情況以及該類植物在廈門地區栽培應用狀況的基礎上,首次採用rapd分子標記技術,對廈門萬石植物園引種的一些棕櫚科植物的遺傳多樣性進行了研究,根據pcr對基因組dna擴增的結果,用nei ' s相似性系數計算了不同植物間的遺傳距離和遺傳一致度,通過對遺傳距離的upgma聚類分析,並結合形態分類的特點,對棕櫚科植物的屬、種間的系統分類關系和一些疑難種的分類鑒定進行了初步研究。
  14. University of illinois - theoretical and computational biophysics group - vmd is a molecular visualization program for displaying, animating, and analyzing large biomolecular systems using 3 - d graphics and built - in scripting

    伊利諾州立大學?理論和計算生物物理小組- vmd是以3 - d圖形和內建描述語言,作為顯示、模仿和分析大生物分子系統的分子顯示程序。
  15. 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。
  16. All of these indicated that arsenic trioxide was a powerful chemotherapeutic agent and the cells in the treatment group were induced to apoptosis. to further understand the molecular mechanisms of arsenic trioxide treatment in the induced cellular apoptosis, we applied the restriction display - pcr ( rd - pcr ) technique combined with polyacrylamide gel electrophoresis and sliver staining techniques to separate the differentially expressed genes

    為了進一步闡述as _ 2o _ 3作用的分子生物學機制,我們首先應用rd - pcr技術,結合聚丙烯酰胺凝膠電泳和銀染技術分離和顯示了as _ 2o _ 3作用k562細胞前後的cdna片段,發現了11個差異表達的基因片段。
  17. Techniques of culture of prothoracic gland ( pg ) in vitro, 3h - ecdysteroid - radiounniunoassay, and methods of molecular biology and biophysics, for instance, nuclear magnetic resonance ( nmr ), circular dichroism cd ) and so on were engaged. the biological activity on ecdysteroidogenesis in vitro and in vivo of a group of analog peptides of bom - ptsp synthesized by chemical modifications and the relationship between the structures and functions were studied

    本研究利用~ 3h -蛻皮激素放射免疫分析方法、分子生物學、生物物理學的方法和手段、體外培養和體內導入等技術對bom - ptsp及其一組人工合成的與ptsp結構類似的多肽進行了結構和功能關系的研究,鑒定了它們的生理活性及其與結構的關系,以及它們在家蠶體內的活性及其與結構的關系,還對ptsp及其類似多肽進行了核磁共振和圓二色的研究。
  18. Lb has a haem prosthetic group and an apoprotein component of 15600 to 15900 molecular weight

    Lb含有血紅素輔基和一個分子量為15600到15900的脫輔基蛋白。
  19. In this study, sd rats were used to establish the animal model of brain injury induced by repeated + gz exposure and suppression subtractive hybridization technique was adopted to screen the differentially expressed genes in rat brains of + gz exposure group. the aim of the study was to obtain preliminary experimental data for the molecular mechanisms of the brain injury

    本研究利用大鼠重復+ 10gz暴露引發腦損傷的動物模型,觀察腦的病理學改變;應用抑制性消減雜交技術篩選+ gz重復暴露大鼠腦的差異表達基因,旨在初步探討+ gz重復暴露致腦損傷的分子機制。
  20. The results exhibit that this method not only guarantees the uniform dispersion of carbon nano tubes in coating but also increases polarized molecular group on the surface of carbon nano tubes. it is helpful to roundly improve the performance of coating. the effects of dosage of

    實驗驗證運用這種處理方法不僅可以保證碳納米管比較均勻地分散在塗層中,而且還使碳納米管表面具有更多的極性基團,有利於導電防腐塗層性能的綜合改善提高。
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