molecular composition 中文意思是什麼

molecular composition 解釋
分子組成
  • molecular : adj. 分子的,由分子形成的,分子內[間]的。adv. -ly
  • composition : n 1 作文(法),作詩(法),作曲(法);作品,文章;樂曲;文體,措辭。2 編制;結構,構造,組成,...
  1. Through investigation of water clarifying mechanism of demulsifier during demulsifying period, using the theory of relationship between structure and performance of surfactant, combining with the composition character of crude oil, the molecular structure design and synthesis of demulsifier were conducted

    通過探討破乳劑在破乳過程中的清水機理,運用表面活性劑結構與性能關系理論,結合原油的組成特點,進行了破乳劑分子的結構設計與合成。
  2. An analysis of amino acid composition of naturally occurring peptide with intra - molecular disulfide bond has been carried out

    目的為結合生物化學與生物資訊,設計一網路搜尋實作課程以輔助胺基酸相關課程之教學。
  3. High molecular weight glutenin subunit composition of spelt wheat

    斯卑爾脫小麥高分子量谷蛋白亞基組成分析
  4. The ordered and micro - phase structures of the molecular of pu materials are decided directly by its synthesis technology, composition and other materials compounded with it, and they will influence the possessive properties of pu materials. in this paper, general studies on pu have been carried out by the methods of controlling the prepolymerize technology, taking off dissociative tdi from prepolymer through decompress boiling distilling technology, polymerized in - situ with nano - particles and interpenetrated with ps, the relationship between properties and structure of pu / omt, pu / sio2 nano - composites and pu / ps ipns were characterized by ftir, dmta, tem andtga

    本文用控制預聚體反應中單體的摩爾比、減壓共沸蒸餾去除預聚體中游離tdi 、用納米填料參與聚氨酯原位復合和與聚苯乙烯進行互貫等方法,合成了聚氨酯蒙脫土納米復合材料、聚氨酯sio _ 2納米復合材料和兩步法合成的基於聚醚( ppg )和聚酯( 3010 )的聚氨酯苯乙烯互穿網路聚合物材料,研究了其性能;運用ftir 、 dmta 、 tem 、 tga等表徵手段,對復合材料的結構進行了研究。
  5. By static tests, studied the uf characteristics of the uf membranes, which have two kinds of intercept molecular eight, and made from pes, pek, spes and spk , in treating black liquid from basic straw pulp. the result showed : at the condition of static contacting, the pes and spes spk are polluted by composition of black liquid in a less degree, and the pek is in the heaviest edgree. the sulphonaled membranes with higher negative charge have better uf characteristics of black liquid. the uf membranes characteristics of 20 thousand intercept molecular weight are superior to 50 thousand intercept molecular weight

    通過靜態試驗,研究了兩種截留分子量的聚醚碸、聚醚酮、磺化聚碸/聚醚碸、磺化聚碸/聚醚酮等超濾膜處理堿法草漿黑液的超濾特性,結果表明:靜態接觸條件下,聚醚碸及磺化類膜受黑液組份的污染程度較輕,聚醚酮膜的污染程度最重;荷負電性較高的磺化類膜具有較好的黑液超濾特性;截留分子量2萬的超濾膜特性要優於5萬的膜。
  6. Was released, which was confirmed by molecular mass and amino acid composition analysis. ultraviolet and circular dichroism spectra were used to test the secondary structure of - mt - 3. distinct from other - mt, - mt - 3 showed a negative trough at about 220nm in the cd spectrum, suggesting that an - helix might exist in its secondary structure

    紫外吸收光譜及圓二色性光譜研究重組- mt - 3的結構。 mt - 3的與其餘mt的結構域不同, - mt - 3的圓二色性光譜在220nm左右為負峰,說明- mt - 3可能包含一個-螺旋的二級結構。
  7. 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。
  8. Composition of high molecular weight glutenin subunits of spring wheat varieties in gansu province

    高分子量麥谷蛋白亞基組成與小麥烘烤品質關系研究
  9. This edta route has several remarkable advantages in comparison with other method. because of the greater ability of edta anions to chelate metal cations, and forming very stable and soluble complexes, all of the starting materials are mixed at the molecular or atoms level in a solution, it is easy to control the composition and a high degree of homogeneity is achievable

    傳統的合成方法是高溫固相反應,由於灼燒溫度高、灼燒時間長,形成硬團聚體,產物粒徑較大,一般為m級,需進行球磨粉碎以減少其粒徑,很難制得均相、均一粒度分佈的氧化物粉體,在研磨過程中容易引入雜質且晶形破壞使得發光亮度減小。
  10. The methods of extraction and purification, determination of purity and molecular weight, chemical composition, and bioactivities of tea polysaccharide are summarized

    本文就茶多糖的提取純化方法、純度測定、分子量測定、化學組成、生理作用等進行綜述。
  11. Although samples were in a hot reflux for a long time at 85 in the experiment, and 5 ? molecular sieve of the adsorbed sample was acidized by hydrofluoric acid, the analytical method was tested to have little influence on carbon isotopic composition of the saturated hydrocarbons before and after complexation

    盡管實驗過程中樣品經過85長時間加熱迴流及吸附樣品的5 ?分子篩用氫氟酸酸化處理,但實驗結果經儀器檢測,證明該方法對正構烷烴碳同位素值影響因素不大。
  12. The bond orders, net charges and the composition of molecular orbitals are calculated for the simplified ca3co409 model

    簡化的ca _ 3co _ 4o _ 9模型的鍵級、凈電荷和分子軌道組成用相同的方法進行計算。
  13. This study used some techniques such as organic geochemistry bulk composition combined with molecular geochemistry, source rock analysis and evaluation of organic petrology, carbon isotopes of organic matter, petroleum geology inference etc. the emphasis is mainly concentrated on the source rocks belong to the shahejie formation of pal eocene, including the source rock evaluation of denan region, geochemistry of the source rock, biomarkers of immature oils and source rocks. then the ancient geological environment was established and immature oil formation mechanism was proposed. following results have been tentatively proposed in this thesis : 1 ) based on the organic petrology studies, most of source rocks in this region is belong to immature source rock

    本項研究以德南窪陷重點烴源巖- - -下第三系沙河街組為對象,應用有機地球化學理論與方法對其有機質類型和豐度、成熟度、生烴潛量等進行研究;通過特徵生物標志化合物的分析,闡明研究區未熟-低熟烴源巖母質構成、沉積環境和成熟演化;通過油源對比和生烴條件綜合分析,提出本區烴源巖生烴機制,建立未熟-低熟烴源巖有機質生烴模式。
  14. Bioinformatic analysis were performed to prepro - gynostemminl on the base composition, codon preference, amino acid composition, pi value, molecular weight, secondary structure, prosite scan, prediction of protein localization sites. blast thtf arabidopsis thaliana genome, and 3d structure modeling

    運用生物信息學軟體對絞股藍班p前體進行堿基組成和密碼子偏倚性、氨基酸組成特徵、功能位點、亞細胞定位、跨膜結構、核酸結合基序以及空間結構等方面的分析。
  15. In this review, the present status of the molecular and physiological mechanism of the differentiation and development of cotton fiber is discussed, in which the molecular and physiological mechanism of the producing of the cell turgor, loosening of the cell wall, synthesis of the composition molecules and their incorporation into cell wall, signal of the starting of secondary wall thickening, cellulose biosynthesis, and layout of cellulose microfibril regulated by cytoskeleton are introduced in detail

    摘要本文綜述了棉纖維分化、發育的分子生理機制的研究現狀,著重討論了棉纖維細胞膨壓的產生、細胞壁的鬆弛、結構分子的合成和加入、次生壁增厚的啟始信號、纖維素的生物合成和細胞骨架系統控制纖維素沉積等機制。
  16. The thesis studied on the physiological characteristics of ceratoides l. the contents were composed of the germination characteristics, the resistance of seed and seedling, the nutritive composition, the hormone content, the seed production and the molecular physiology, we studied the deterioration mechanism of seed as well

    本論文對駝絨藜屬植物種子的生理學特性進行了研究,包括種子的萌發特性、幼苗的耐逆性、種子的營養成分、激素水平、分子生物學以及種子生產技術等內容,同時對種子的劣變機理進行了探討。
  17. Relationship between composition of high - molecular - weight glutenin subunits and breadmaking quality

    不同高分子量谷蛋白亞基組合的小麥籽粒蛋白組分及其谷蛋白大聚合體的積累規律
  18. High - molecular composite material after property modification ( adjust the molecular structure of resin and the composition of the material ) still possesses good fireproof performance and the resistance w high temperature as well as galvanic corrosion, becoming a high performance thermosetting composite material

    摘要通過對高分子復合材料進行改性(調整樹脂的分子結構及材料組成) ,使材料具有良好的防火性能、耐高溫性能及抗電化腐蝕性能,成為高性能的熱固性復合材料。
  19. The composition and quantity of wheat glutenin subunits in relation to high molecular weight glutenin polymers and their effects on breadmaking quality

    小麥高分子量麥谷蛋白亞基組成與小麥品質的關系
  20. The physicochemical characterization was made in depth using various techniques for some resin matrices of advanced composites, such as epoxy resin matrix, phenolic resin matrix and bismaleimide resin. these techniques include infrared spectroscopy ( ir ), nuclear magnetic resonance spectroscopy ( nmr ), mass spectroscopy ( ms ), liquid chromatography ( lc ), thermal analysis ( ta ) and other techniques. the composition, structure, molecular weight, reactivity, reaction temperature and other properties related to performance of resin matrix were studied

    本論文採用紅外光譜、核磁共振波譜、質譜、液相色譜、熱分析等分析技術對實際使用的環氧樹脂、酚醛樹脂以及改性雙馬來酰亞胺樹脂等先進復合材料樹脂基體進行了物理化學表徵,尤其是對與樹脂基體性能密切相關的化學組成與結構、分子量、活性與反應溫度、固化度等進行了表徵;提出了樹脂基體的固化反應機理,獲得了樹脂基體的固化反應動力學參數;對改性雙馬來酰亞胺樹脂的熱分解機理進行了分析,並得到了其熱分解動力學數據。
分享友人