functional group 中文意思是什麼

functional group 解釋
【化學】官能團,功能團。

  • functional : adj 1 官能的,機能的。2 在起作用的;職務上的。3 【數學】函數的。4 【建築】從使用的觀點設計[構成]...
  • 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. Results the functional filtering bleb and intraocular pressure got better in treatment group those than in control group with remarkably significance ( p < 0. 05 )

    結果術后治療組功能性濾過泡的形成及眼壓控制率均高於對照組, p < 0 . 05 ,差異有顯著性。
  2. At a time can be selected, even if it is a part of a functional group

    ,即使它是功能組的一部分也不例外。
  3. They contain one or more functional group such as amide, hydroxy, or carboxy

    它們含有一個或多個功能團如:氨基、羥基、羧基。
  4. The serial number of pricker is composed of three sections including 17 digital codes : the first section ( 1 - 4 digits ) is the standard size of international general mode ; the second section ( 5 - 11 digits ) is penetration distance, length of functional section, pattern of barb, quantity of barbs on each cording and the distance from needlepoint to the first dent ; in the third section ( 12 - 17 digits ), except letter h representing " hengxiang " brand, the other group of digits represent some special characters of pricker

    刺針的編號由三部分共17位代碼組成:第一部分( 1 - 4位)是國際通用方式的標準尺寸;第二部分( 5 - 11位)是刺距、工作段長度、鉤刺型狀、每個棱上的鉤刺數量及針尖到第一齒的距離;第三部分( 12 - 17位)除字母h代表「恆翔」牌外,其餘一組數字表示刺針的一些特殊點。
  5. Then, analytical work was carried out as follows : the ultimate analysis and physi - chemical analysis of the pyrolytic oil comprised a sketch of the fuel properties of the oil ; then, through the distillation analysis of the oil, the fraction composition of the " unrefined " oil was known. after that, a general knowledge of the aromaticity and saturation of the hydrocarbons in the oil was provided by the outcome of the ft - ir functional group analysis. also, from the analysis, the form of the polar functional groups and their distribution in different fractions of the oil were learned

    文中首先對不同熱解溫度下熱解油產率進行分析討論,然後,針對熱解油品質進行了一系列分析:通過元素組成和理化特性的分析,對熱解油作為燃料特性有了一個大致了解;通過實沸點蒸餾分析,得到熱解油作為一種未提煉油的餾分分佈,並為后續熱解油餾分的細入分析提供了前提;通過對熱解全油和各窄餾分的ft - ir官能團分析,對熱解油的芳香性、不飽和性有了整體的了解,並且清楚了熱解油中的極性官能團存在型式及其在熱解油不同餾分中的分佈。
  6. Organochlorosilane is widely used in the protection of organic functional groups involving hetero atoms, such as hydroxyl, carboxyl, carbonyl, amino group and so on. the conditions of protection and deprotection and the application development in the synthesis of pharmaceuticals are given in the article

    就其在保護含雜原子的有機官能團方面討論了對羥基、羧基、羰基及胺基等的保護和去保護條件及其在藥物合成中的應用。
  7. Hydroformylation of the olefinic double bonds was n atom economic method th introduce new functional group in the oil compounds

    而通過雙鍵的氫甲酰化反應引入新官能團能為油脂的化工利用提供了一條廣闊的道路。
  8. The research result is following : the annual species richness index of studied forest plant community averaged 64. 688, the species diversity index was 2. 982. the proportion of every functional group of forest plant community is : herbaceous layer ( average is 68. 89 % ) > tall tree layer ( average is 15. 266 % ) > shrub layer. ( average is 15. 845 % ) the proportion of every functional group in forest insect communities is remarkably different, and the order of the proportion is herbivorous insect group ( average 0. 729 ) > predatory natural enemy insect group ( average 0. 136 ) > parasitical insect group ( average 0. 135 ). with seasonal change, the proportion of herbivorous and predatory insect group decreased obviously, while that of parasitical insect group increased on average by 147 %

    研究結果如下:森林植物群落種的全年物種豐富度指數平均為64 . 688種,多樣性指數為2 . 982森林植物群落內各功能類群物種所佔比重依次為:草本層(平均為68 . 89 ) >喬木層(平均為15 . 266 )灌木層(平均為15 . 845 ) 。森林昆蟲群落中,全年各功能類群所佔比重以植食性昆蟲類群為最大,平均佔0 . 729 ;捕食性昆蟲類群次之,平均佔0 . 136 ;寄生性天敵類群為最小,平均為0 . 135 。
  9. Quantitative structure - activity relationship is a method building a statistical model. the model can quantificationally predict structure - activity relationship of molecule, and bioactivity of new molecules can be known. structure of molecule, which is described by parameters in physical chemistry, biochemistry and quantum chemistry, includes functional group, minor structure, molecular fragment, chemical composition

    本文提出了一種定量構效關系的處理方法,即應用支持向量回歸方法解決定量構效關系,並且應用這種方法預測了芳香烴化合物生物降解度與喜樹堿化合物抗腫瘤生物活性,取得了比較令人滿意的結果。
  10. The influence of catalyst on the copolymerization of epoxy and cyanate was investigated, and the mechanism of their copolymerization was discussed. the catalyst can obviously accelerate the curing of the resin to decrease the curing temperature. the three kinds of reactions ( cyclotrimerization, co - reaction and polyetherification ) in their copolymerization are not simultneous and independent to each other. in the lack of cyanate functional group, the main structures are oxazoine and polyether structure in the cured resin, and the triazine ring structure is of miner importance

    研究了催化劑對環氧樹脂與氰酸酯樹脂的共聚固化反應行為的影響,並初步探索氰酸酯/環氧固化的反應歷程.研究表明,催化劑能明顯地促進其固化反應,降低固化溫度,縮短固化時間;氰酸酯與環氧共聚反應歷程是首先氰酸酯三聚反應生成三嗪環結構,然後三嗪環開環與環氧共聚反應,最後是未能參與共聚反應的環氧官能團在唑啉結構和三嗪環的催化下發生聚醚化反應;在氰酸酯官能團欠量的條件下,固化樹脂中主要是唑啉和聚醚結構,而三嗪環結構的含量很少
  11. Fujian beststarch biodegradable material co., ltd. is one of the holding companies of zhongcheng group. it is a fully integrated hi - tech company engaged in the r & d, manufacture and distribution of biodegradable masterbatches, products and several varieties of multi - functional plastic additives

    福建百事達生物材料有限公司為中城集團控股企業,是專業從事各種生物塑料母料、生物塑料製品以及各類多功能塑料添加劑的研發、生產、銷售、科工貿一體化的高科技企業。
  12. Studies on preparation and adsorption properties of chelating fiber bearing triazolthion functional group

    攜三唑硫酮功能基螯合纖維的研製
  13. The predicated amino acid sequences contain two conserved functional domains : a dna - binding domain ( hmg - box ) and a transactivation domain. the conserved motif of group b homology lies immediate adjacent to c - proximal region of the hmg - box. similar structure and identity of sox2 gene among mammals, birds, amphibians and reptiles suggest that sox2 gene have evolutionary conserved roles

    進一步分析表明,已巴灘2編碼的238個氨基酸多膚鏈含有兩個保守的功能區域:位於n端的hmg盒區( 1一78aa )和位於c端的轉錄激活區( 131一236aa ) ,以及一個保守的特徵性b亞族同源區域( 79一90aa )與hmg盒區的c端相連。
  14. The scope of business of our company mainly includes : network video monitoring systems, boundary infrared alarm systems, fingerprint door bans, parking garages, integrated charging cards for dining, electronic patrolling, led electronic display screen, building visible interphone, group telephone, comprehensive network wiring, public broadcasting multi - functional sound box system, visible communication conference and wired television system

    公司主要經營項目為:網路視頻監控系統、周界及紅外報警系統、指紋門禁、停車場、餐飲收費一卡通、電子巡更、 led電子顯示屏、樓宇可視對講、集團電話、網路綜合布線、公共廣播多功能音箱系統、視訊會議及有線電視系統。
  15. The above analysis shows that both ultrapure volatile coal, the reduction coal or organic functional group content has proven to reduce the chemical treatment makes coal organic structure changes

    以上分析可以看出,無論是超純煤揮發分的降低,還是煤粉中有機官能團含量的降低都證明化學處理使得煤粉有機結構發生了變化。
  16. The security problems are dealt with in chapter three, we give the authentication mechanism used before, and also the recently - present aaa infrastructure o f ietf working group that aims at separating the authentication process from the registration process, then we propose a new method to fresh the security association between each functional entities involved in the infrastructure on the basis of that

    第三章描述了移動ip中的安全問題。說明了移動ip機制中所採用的認證機制,介紹了近期由ietf工作組所提出的mip - aaa認證機制,該機制的目的是為了將注冊和認證過程相分離。在此基礎上,我們提出了一種新的更新其間各個功能實體間安全關聯的有效方法。
  17. Functional working group

    以職責劃分的工作小組
  18. At seven o ' clock on june 6th, ms zhao xianxia, the hr manager of the midea group delivered a lecture on the career design at the multi - functional hall of the students ' center, which helped students solve the puzzles posed before them

    6月6日晚7時,美的集團人力資源部趙燕霞女士在我校學生活動中心多功能廳為同學們舉行了一次關于職業規劃方面的講座,幫助同學們解決在規劃職業方面的困惑和難題。
  19. The results showed that choice and compounding ratio of chemical functional group having affinity with polymer and filling was the key to develop the homogenizing - dispersing agent

    結果表明,與大分子及填料親和性好的化學基團的選擇及配比是研製均勻分散劑的關鍵。
  20. Take removes in the water to have the slight pollutant as the goal activated charcoal surface modified direction is : the reduced surface lactone base and the carboxyl group and so on contain the oxygen functional group the content, increase activated charcoal surface sparse river characterthe modified activated charcoal in has a drink together in the water used adsorption treating processes, a weak basicity environment is good

    我們研究了以濃硝酸、次氯酸和氨水去除水中三氯甲烷為主要目標表面改性活性炭吸附處理技術。立意方向為:減少表面內酯基及羧基等含氧官能團的含量,增加活性炭表面的疏水性。
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