alkyl chain 中文意思是什麼

alkyl chain 解釋
烷基鏈
  • alkyl : n. 【化學】烷基；烴基（＝ alkyl radical）。adj. -lic
  • chain : n 1 鏈子，鏈條；項圈；表鏈。2 連鎖；連續，一系列，一連串；（山）脈。3 〈常 pl 〉鐐銬；羈絆，拘束...
  1. Our study shows that maturity has an effect on the evolution of long chain alkyl benzenes, that is, with the increase of maturity, the carbon number distribution of alkyl benzenes shifts to the lower homologues isomers ; relative abundance of alkyl benzenes isomeride decreases, whereas n - alky benzenes increase

    研究表明：長鏈烷基苯的演化受成熟度的影響，表現為隨著成熟度的增加，長鏈正構烷基苯的碳數分佈前移，長鏈烷基苯異構體相對豐度減小；而正構烷基苯相對豐度有增加的趨勢。
  2. The nonpolar segments of surfactants include straight-chain and branched alkyl groups.

    非極性表面活性劑鏈段包括直鏈和支鏈的烷基。
  3. Elimination of an alkyl chain substituted on an aromatic ring results in the appearance of free radicals.

    在一芳香環上一個取代烷鏈的消失，結果出現自由基。
  4. The length of alkyl, carbon chain about betaine type amphoteric surfactant affects its surface activity and other properties

    摘要甜菜堿表面活性劑的烷基碳鏈的長度對其表面活性及其它性質有不同程度的影響。
  5. Long chain alkyl benzenes is the product of cyclization - decarboxylation - aromatization of fatty acid, with the help of clay minerals catalytic effect, which comes from bacteria, seaseed and higher plant lipid ; or the reaction product of monocylic aromatics and fatty acid alkyl group under the same conditions

    長鏈烷基苯主要是細菌、藻類和高等植物類脂化合物中脂肪酸在粘土礦物催化下發生環化脫羧再芳構化或單環芳烴與脂肪酸烷基化反應形成的產物。
  6. The formed long and linear chain alkyl benzene changes into benzene methyl and alkene through - scission and monomolecular homolysis, and then benzene methyl shifts to the position of - carbon in the long chain alkyl benzene through h - transfers

    已形成的長直鏈烷基苯通過分裂、單分子均裂形成苯甲基、烯烴，苯甲基通過氫轉移到長鏈烷基苯的碳上，烯烴再與碳結合形成帶支鏈的烷基苯。
  7. An improved hard - sphere model predicted rightly the changing trend of the standard partial molar volume of alkyl chain of amino acids with concentration of electrolyte, and confirmed the assumption that the sum of standard partial molar volumes of ch and ch3 groups is twice as many as the standard partial molar volume of ch2 group

    摘要根據改進的硬球混合物模型，正確預測了氨基酸分子的烴鏈在電解質水溶液中的標準偏摩爾體積隨電解質濃度的變化關系，並證實了「氨基酸分子中ch和ch3基團的標準偏摩爾體積之和是ch2基團標準偏摩爾體積的2倍」這一假定。
  8. Considering that the chain length of a normal hydrocarbon increases by 2. 52a with two carbon atoms, the alkyl chain is supposed to be tilted or interdigitated between inorganic layers

    按每兩個碳原子鏈長2 . 52 （ ? ）計算，層間碳鏈可能是部分疊置的。
  9. Using v2 & 5 and alkylamines ( cs - cao alkyl chain ) as precursor, vanadium oxide nanotubes which have an unique structure that alkylamines intercalate into layers of tubes wall affecting the layer spacing were prepared. their layers spacing ranges from 1. 25 nm to 3. 82 nm according to the length of alkyl chain. moreover, the growth mechanism of vanadium oxide nanotubes have been investigated and 3 - 2 - id model was established to interpret the vanadium oxide nanotubes growth process. potassium niobate is a functional materials which can be used as photochemical catalysts. lt is well known that the catalytic activites are affected greatly by the surface area of catalyst particles on which the reaction take place

    以系列烷基胺和五氧化二釩為原材料，通過簡單的水熱反應合成出了氧化釩納米管，這種納米管結構獨特，烷基胺作為模板劑內嵌入納米管管壁層間，成為支持納米管的骨架，並影響層間距大小，納米管管壁層間距隨著烷基胺碳鏈長度的不同在很大范圍內變化，通過採用不同碳鏈長度的烷基胺（ c _ nh _ （ 2n + 1 ） nh _ 23 n 20 ）作為模板，來控制氧化釩納米管的層間距，層間距可調控范圍從1 . 25nm到3 . 82nm 。
  10. The conclusions are as listed below : compared with absorption of fc16ab in chloroformon, the absorption peak of fcifrab in lb films shifted toward the shorter wavelength region, suggesting that some interaction among molecules due to the close molecular packing such as h - aggregates in the lb films. comparing uv - vis spectra of fc16ab in lb films deposited from cl - subphase with from aqueous subphase, this blue shift phenomenon of absorption demonstrated cl - made the compactness of fc16ab lb films increasing. ft - ir spectra of fc16ab in lb films at different temperature showed that there is a gradual disordering of alkyl chain from 27 ? to 200 ?, but no district phase transition appeared

    結論如下：紫外-可見光吸收光譜說明：與fc _ （ 16 ） ab氯仿溶液相比， lb膜的吸收光譜發生了藍移，這歸結于fc _ （ 16 ） ab發生了h -聚集以及抗衡離子可以使fc _ （ 16 ） ab的lb膜排列更緊密；變溫紅外光譜說明，隨著溫度升高， fc _ （ 16 ） ab的lb膜中烷基鏈的有序排布程度減弱，這表明該lb膜熱穩定性減弱，但在減弱的過程中沒有出安徽人學申請碩士學位論文摘要現相轉變。
  11. Fluorescein and porphyrin have been linked by an alkyl chain, and been firstly used as a fluorescence carrier of opto - chemical sensors. based on the principle of energy transfer, it examined the iodine in the aqueous solution with high sensitivity and wide detection range

    通過脂肪鏈把熒光素和卟啉連接起來，並首次把它作為熒光載體應用於光化學傳感器的研製，基於分子內能量轉移原理檢測了水溶液中的單質碘，該傳感器靈敏度高，檢測范圍寬。
  12. The finding of long chain alkyl benzene proves the relatively strong reducing environments during deposition at that time

    長鏈烷基苯的檢出進一步驗證了當時沉積物處于較強還原環境。
  13. Determination of mean relative molecular mass for technical straight - chain sodium alkyl benzene sulphonates - gas - liquid chromatographic method

    工業直鏈烷基苯磺酸鈉平均相對分子量的測定氣液色譜法
  14. The distribution characteristics of long chain alkyl benzene in different state hydrocarbon can be used for petroleum accumulation dating

    長鏈烷基苯在不同賦存狀態烴的分佈特徵，可以應用於油氣聚集時間和成藏差異的研究。
  15. The long chain alkyl benzenes in six samples show an even carbon number predominance ranging from c16 to c20 in carbon number

    樣品中長鏈烷基苯在c16 - c20 ?圍內具有較明顯的偶碳優勢。
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