相似化合物 的英文怎麼說

中文拼音 [xiāngsìhuàgěwù]
相似化合物 英文
analogue compounds
  • 相 : 相Ⅰ名詞1 （相貌; 外貌） looks; appearance 2 （坐、立等的姿態） bearing; posture 3 [物理學] （相位...
  • 合 : 合量詞（容量單位） ge, a unit of dry measure for grain （=1 decilitre）
  • 物 : 名詞1 （東西） thing; matter; object 2 （指自己以外的人或與己相對的環境） other people; the outsi...
  • 相似 : 1. （相像） resemble; be similar; be alike 2. （相像處; 類似物） similarity; similitude; analogue
  1. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下：首先針對荒漠化地區的地物特徵，對高光譜數據不同波段的數據質量、波段組合進行了評價，提出了適用於荒漠化監測的基本波段選擇集；初步了解和掌握了研究地區的地物光譜特性及變異規律，進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎；發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象，對于譜形相似而整體反射率的值相差較大的兩類地物，通過引入均值和方差圖像參與分類得到解決；研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段，這些波段與植被生物量和蓋度都有密切的關系，是開展精細植被分類研究和植被定量反演的重要基礎；像元的導數光譜分析可以消除土壤背景的影響，是進行植被生物量和蓋度定量反演的有力工具；建立了荒漠化監測主要評價因子的定量反演模型，並分析了模型的適用性。
  2. In general, plant hormones are small molecules that probably act on target cells much the way animal hormones do

    通常，植物激素和動物激素相似，是作用與目標細胞的小分子化合物。
  3. Heterocylic aromatics such as pyridine and pyrimidines also give a somewhat similar set of bands in the 1600 cm region.

    雜環芳香族結構類如吡啶、嘧啶類化合物在1600厘米1（625微米）區域也有相似的一組譜帶。
  4. 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。
  5. The his - tagged peacl - gfp purified from the supernatants could polymerize into green fluorescent filamentous structures with diameter, length and shape being identical to that of muscle f - actins, which could be labeled by tritc - phalloidin ( a specific agent for staining actin microfilaments ), and were identified as having a 9 nm diameter by negative staining, corresponding with that of the muscle f - actins ( 7 - 10 nm ). under polymerization conditions, his - tagged peacl - gfp polymerized with kinetics similar to those of skeleton muscle actin, that is, an obvious lag nucleation period at the beginning of polymerization and an s - like typical polymerization curve could be obtained. the critical concentration is 0. 75 umol / l near to that of chicken muscle actin ( 0. 56 umol / l ) under the same condition

    熒光標記結合熒光顯微觀察表明：從可溶性上清中純化的his - taggedpeac1 - gfp聚合形成的微絲不僅可以直接在熒光顯微鏡下觀察，也可被微絲的特異標記物鬼筆環肽所標記，而且其直徑、長度以及形態上與已知的聚合肌動蛋白熒光絲一致；電鏡負染的結果進一步證實其直徑為9nm ，與傳統微絲直徑相當（ 7 ? 10nm ） ；聚合曲線有明顯的停滯期，為典型的s型聚合曲線，聚合臨界濃度為0 . 75 mol l ，這一結果與已有報道相似。
  6. Compared with cotton, vinylon has stronger tenacity and elongation, better abrasive resistance, stronger hygroscopicity, and better heat preservation, and it has better resistance to chemical corrosion, sunlight, moth, mold, and radiation as well. vinylon can be spun with cotton or other fibers into knitting goods and other cloth. it is also used as industrial fiber for the manufacture of tire cord, conveyer, fire hose, fish net, ropes, canvas, filter cloth, and rubber items etc

    維尼綸是以聚乙烯醇為原料紡成的合成纖維，其性能與棉花相似，與棉花相比又有強伸度大耐磨性好吸濕性強的優點和更好的耐化學腐蝕性耐曬性耐蛀霉性保暖性及耐輻射性等，可與棉花及其它纖維混紡以織造針織物及其它用布，同時作為工業用纖維，廣泛用於製造輪胎簾子線運輸帶水帶魚網繩索帆布過濾布及橡膠製品等。
  7. However, the die attach layer delaminated after 500 cycles and pcb cracked in the underfilled samples after long time cycling. c - sam is employed to investigate the delamination in the underfilled samples. highly concentrated stress - strain induced by the cte mismatch between the bga component and the pcb board, coarsened grain and two kinds of intermetallic compounds ( nisn / nisns ) which formed during reflow and thermal cycle and their impact on the reliability of solder joints are discussed in this paper

    充膠樣品粗化尤為嚴重； ? ni - sn金屬間化合物包括兩層：其中，靠近ni焊盤的那層比較平整，同時， eds結果分析表明其化學式近似為nisn ，而靠近焊料的那層呈板條狀，化學式近似為nisn _ 3 ，文獻表明其為亞穩相； ?充膠使得樣品最大應力范圍降了接近一個數量級並降低了dnp的作用，同時，器件失效模式變為晶元粘接層分層； ? c - sam結果表明本論文採用的充膠樣品，晶元粘接層分層起始於500周左右，而經過2700周循環的樣品，分層幾乎擴展到整個界面。
  8. Because phb / phas production by bacteria fermentation is prohibitively expensive, great attention has been focused on the synthesis of phb in plants using co2 for carbon and sunlight for energy, which is considered as a promising strategy to obtain price - competitive biodegradable plastics

    這種聚酯的物理化學特性與傳統塑料相似，並具有生物可降解性，如能取代化學合成塑料將減少環境中的塑料廢棄物，從源頭治理「白色污染」問題。
  9. Results show that c2s, c3s and ca ( oh ) 2 in hydration sample with steel - making slag powder are more than those in hydration sample with fly ash or blast furnace slag. sequence of capacity bonding water

    結果表明，含摻合料膠凝材料的水化產物形貌與純硅酸鹽水泥的水化產物形貌比較相似，在較短齡期水化樣的孔隙中能明顯觀察到針狀
  10. Because of the complexity of enzymes, model compounds, whose structures and functions are similar to the active sites of enzymes, have been used to investigate the interaction of the enzymes with metal ions and then to study the mechanisms of the interaction of anti - oxidases with heavy metal ions

    由於酶的復雜性，選擇與酶的活性部位結構和功能相似的模型化合物，來探討金屬離子與相應酶的作用，進而探討金屬離子與植物體保護酶作用機制，已被各國科學家所接受。
  11. This first anti - metabolite leads to a category of drugs that interfere with cell processes because they share structural similarities with a compound required in normal cell actiity

    由於與細胞正常代謝需要的化合物結構相似，抗代謝藥成為干預細胞周期的一類藥物
  12. This first anti - metabolite leads to a category of drugs that interfere with cell processes because they share structural similarities with a compound required in normal cell activity

    由於與細胞正常代謝需要的化合物結構相似，抗代謝藥成為干預細胞周期的一類藥物
  13. The reactions of la2o3 - sro2 - mn - naclo4 - kmno4 system were nearly ended. but at some point example 950, 1050, some phase transformed. results of microstructure formation by sem and cfq methods showed that sro2, naclo4, kmno4 were reduced and wrappaged by liquid mn

    4段）的變化規律與shs合成過程中的反應溫度速度變化規律相似，說明磁性能的變化是由於合成產物的組分結構轉變引起的，表現在合成過程中就是溫度和速度值的變化。
  14. Mating and reproduction. pair bonding varieties and advantages ; brood tending and its evolution ; similarities of emancipated actions across widely different species

    9交配和繁衍。成對結合的多樣化和優勢；庇護的傾向及其演化；多數不同物種的解放行為的相似性。
  15. A competitive inhibitor is usually structurally similar to the substrate, e. g. malonate is a competitive inhibitor of the enzyme succinate dehydrogenase

    與底物結構相似的物質能競爭性的與酶結合，從而使酶不能與底物結合而喪失其催化活性。
  16. In order to get some functional clues from their structures, the upstream regulation region of ndrgl gene and second structure of ndrg2 protein are performed bioinformatics analysis ; we found that there are several binding sequences of some diffirent transcription factors, their functions include regulating tissue - specific gene expression, regulating expression of genes related to growth and early development of cells, besides this, regulating expression of genes under some stimulated conditions, and so on. predict in protein fold classification shows that ndrg2 belongs to alpha / beta hydrolase fold family, and there are high similarity between ndrg2 and epoxide hydrolase from bacteria, this suggests that ndrg2 protein may has enzymatic functions associated with resisting the oxidative stress, maintaining the balance of cell redox potential, involving in the metabolism process of xenobiotics or intracellular toxic molecules

    研究發現呷基因的調控區存在多種轉錄因子結合位點，功能主要涉及組織特異性表達調控，細胞生長發育相關基因的表達調控，刺激反應基因的表達調控等； ndrgz蛋白在結構上屬于a小水解酶類折疊，折疊分類預測表明ndrg2與其中的的細菌環氧化物水解酶的二級結構極為相似，提示ndrgz蛋白具有一定酶活性，可能參與細胞抗氧化應激反應，維持細， an ） armtbffiofbfochmilsyn ） mdafblechmrbfobo4第四軍醫大學碩士學位論文胞內氧還電勢平衡，參與內外源有毒物質的代謝等。
  17. Testing of mineral oil hydrocarbons and similar liquids ; determination of the grade of purity by gas - chromatography ; n - heptane, iso - octane and toluene

    礦物油碳氫化合物及類似液體的檢驗.用氣相色譜法測定
  18. Oils in cosmetics have a similar stigma to carbs and fats in food

    在化妝用品里的油和在食物里的碳水化合物和油脂有一種相似。
  19. From the research results, it can be concluded that the formation of early hydrates achieves through the recycle process of dissolution - deposition and the late through the reaction similar to the sinter of solid particles

    結合sem 、水化歷程、水化機理和結構特徵的研究結果，早期的水化產物通過溶解沉澱過程生成，後期是通過類似於固相燒結的化學反應生成。
  20. The compounds that may coexist or have close related structures should be distinguished from the active ingredient

    應能與可能共存的物質或結構相似化合物區分。
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