正烷烴 的英文怎麼說
中文拼音 [zhēngwántīng]
正烷烴
英文
n-alkane-
Relativity study on carbon atomic number of normal alkane and property
正構烷烴的碳原子數與物性的相關性研究It can used to separate normal paraffin from branched hydrocarbon and cricoid hydrocarbons through selective adsorption
5a分子篩吸附劑可通過選擇性吸附過程而從支鏈烴及環狀烴中分離出正構烷烴。The results showed that the estimation of the dead time and the retention times of the normal alkanes and the further prediction of the retention indices of unknown components were quite satisfactory when the number of the known components included in calculation was not too small
結果顯示，在已知組分不是太少的情況下，該方法計算的死時間和正構烷烴的保留時間與實驗值吻合，預測的保留指數也有較高的精度。Abstract ： in order to obtain the retention indices of unknown components in gas chromatography, a method using retention indices and retention times of known components to calculate the dead time and retention times of the corresponding normal alkanes was developed
摘要：提出在部分組分已知的氣相色譜灰色體系中，利用已知組分的保留指數和保留時間推算死時間和正構烷烴的保留時間，再計算未知組分保留時間的方法。Bohai ; core sediment ; n - alkanes ; fatty acids
渤海柱狀沉積物正構烷烴脂肪酸For the normal paraffinic hydrocarbons, a number of dilute-gas viscosity have been developed.
對于正構烷烴，已發展了多種稀薄氣體粘度。Core sediments in the bohai have been analyzed to assess the sources and diagenesis of organic matter. two sampling sites have been chosen : e3 and e5, which are located in the center of bohai bay. it is indicated that the most important organic source is the terrestrial matter transported by the yellow river into the bohai by analyzing the distribution of
本文測定了位於渤海中部的e3和e5兩柱樣中正構烷烴和脂肪酸的含量分佈研究表明：渤海沉積物中有機質的重要來源是黃河的陸源物質輸運，黃河的歷史變遷在柱樣中可通過輕重烴比值的變化記錄體現。Petroleum waxes. determination of carbon number distribution of normal paraffin and non - normal paraffin hydrocarbons. gas chromatography
石油蠟正構烷烴和非正構烷烴碳數分佈測定法This paper presents the results of investigating the destructive and oil - displacing capacities of species w3, g12 and s11 for waxy crude oil from production well chang 74 : reduction of wax content by 7 - 11 % and of interfacial tension by 10. 7 44. 0 % ； reduction of high carbon number normal alkanes and enrichment of low carbon number ones ; production of gases ( mainly co2 and n2 ) and acids ; enhancement in oil recovery by 8. 2 10. 6 % ( in core experiments )
本文報道這幾種菌在油藏條件下的生長情況，與昌74井原油的作用及巖心驅油結果：使原油含蠟量降低7 % 11 % ，使界面張力降低10 . 7 % 44 . 0 % ，使高碳數正構烷烴含量下降，低碳數正構烷烴含量增多，產酸產氣，提高巖心採收率8 . 2 % 10 . 6 % 。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。Melting points of the n ? ? paraffins
正構烷烴的熔點Mechanism and kinetics of polychlorination of long chain n - alkanes by photo - initiation
光引發長鏈正構烷烴多氯代反應機理與動力學Chromatogram fingerprint extraction of n - alkane of six product oils and identification of them
六種成品油的正構烷烴色譜指紋提取與鑒別Elements species and temporal - spatial distribution of total suspended particles in changchun city
南京市大氣氣溶膠中顆粒物和正構烷烴特徵及來源分析Most of these deep viscous oils in loujia - kenxi region show no sign of biodegradation effects based on n - alkane and acyclic isoprenoid distributions
羅家-墾西稠油大部分樣品飽和烴中正構烷烴分佈十分完整，不具有生物降解特徵。Now, it is largely used in the separation of normal paraffin and isoparaffin
目前在工業上用於大規模的正異構烷烴分離過程。Test method for the measurement of hexane extractable content of polyolefins
聚烯烴正己烷可提取含量測試方法Standard test method for measurement of hexane extractable content of polyolefins
測量聚烯烴可提取正乙烷含量的標準試驗方法Distribution characteristics and source analysis of n - alkanes c14 c31 and pahs in total suspended particulates in urban area of taiyuan city
太原市大氣總懸浮顆粒物中正構烷烴和多環芳烴空間分佈及來源分析分享友人