甾烷 的英文怎麼說

中文拼音 [zāiwán]
甾烷 英文
gonane
  • 甾 : 名詞[化學] （有機化合物的一類） steroid
  • 烷 : 名詞[化學] （有機化合物的一類） alkane
  1. This oil is characterized by relatively low isomerization ratios of steranes, but slightly higher density and viscosity than those of type 1

    該類原油甾烷異構化指標偏低，粘度和密度相對高於第一類原油，但仍為稀油。
  2. Phytosterol and phytostanol have been converted to the corresponding fatty acid esters via lipase - catalysed esterification with fatty acid or transesterification with mythyl esters of fatty acid or triacylglycerols

    摘要植物甾醇和植物甾烷醇在脂肪酶催化作用下同脂肪酸酯化或同脂肪酸甲酯或三酰甘油酯交換可形成植物甾醇酯和植物甾烷醇酯。
  3. First of all, the theoretic basis for the stereoisomer rearrangement of biomarker compound is illustrated, and then the corresponding relations between the sterane / terpane stereoisomer rearrangement and maturity, as well as the polarity / non - polarity and petroleum migration are discussed, respectively

    首先闡明生物標志化合物立體異構重排的理論依據：然後分別探討了萜、甾烷類立體異構重排和成熟度對應關系；極性、非極性生物標志化合物異構體重排和油氣運移對應關系。
  4. We can see that es3 and es4 source rocks contributes greatly to the formation of immature oil. other oil source correlation also show that the immature oil originated from source rocks of es3 and es4 in this region. 7 ) the existence of high abundance of sulfid in the mudstone indicate that that there is a relatively high salinity environment in source rocks which is favorable for algae growth

    4 、通過穩定碳同位素、甾烷和萜烷等不同的生物標志化合物參數分析探討了研究區德1井低熟油的物源，生物標志化合物圖譜指紋對比表明，德1井沙一段（ es _ 1 ）油來源於本段烴源巖，德1井沙四段（ es _ 4 ）原油主要來源於沙四段泥巖和沙三段中、下部泥巖，為自生自儲成因。
  5. A super acylation catalyst, 4 - dimethylamino pyridine ( dmap ), was prepared and used to synthesize cholesteryl ester compounds. four kinds of cholesteryl ester compounds such as cholesteryl p - alkoxyl benzoate, cholesteryl dicarboxylate, cholesteryl lumequeic ester and coattail - like cholesteryl ester were synthesized by acylation method and super acylation catalyst method. chemical structures and liquid crystal behaviors of the synthesized samples have been characterized by using element analysis, ftir, dsc and polarized microscopy with a hot stage

    本文合成了高效酰化催化劑4 -二甲基氨基吡啶（ 4 - dimethylaminopyridine ， dmap ） ，採用酰氯化法和高效酰化催化劑法分別合成了對烷氧基苯甲酸膽甾醇酯、對稱脂族二羧酸膽甾醇酯、烯酸膽甾醇酯及燕尾型膽甾醇酯四類膽甾醇酯衍生物，並進行了化學結構和液晶性能的表徵。
  6. Dinosterane from the neoproterozoic datangpo black shales and its biological implications

    新元古代大塘坡組黑色頁巖中的甲藻甾烷及其生物學意義
  7. Studies on the enzymatic synthesis of phytostyerol and phytostanol esters were described

    介紹了植物甾醇酯和植物甾烷醇酯的酶催化合成方法。
  8. Animal and vegetable fats and oils - determination of stigmastadienes in vegetable oils - part 1 : method using capillary - column gas chromatography reference method

    動植物脂肪和油.植物油中豆甾烷stigmastidenes的測定.第1部分:毛細管柱氣相色譜法
  9. Oil type 1, non - biodegraded oil, is characterized by low viscosity, low density, high content of saturated fraction, low content of resin and asphaltene and high ratio of isomerization of steranes

    第一類原油粘度和密度低，族組成以飽和烴組分為主，非烴和瀝青組分含量低，甾烷異構化指標高，未遭受生物降解。
  10. The oil of type 5 is the biodegraded one from the oil of type 3, and characterized by a density and viscosity similar to type 4. however, the isomerization ratio is lower in the type 5 than that in the type 4

    第五類原油是由第三類原油生物降解的產物，原油密度和粘度與第四類原油相近，但甾烷異構化指標相對較低。
  11. Oil type 2, also non - biodegraded, is characterized by extremely high viscosity, relatively high density, low content of saturated fraction, high content of resin and asphaltene and low ratios of isomerization of steranes

    第二類原油粘度特大，密度相對較高。族組成以非烴和瀝青質組分為主，飽和烴含量低。甾烷異構化指標低，未遭受生物降解。
  12. The data of gc / ms of the whole oils show that there are three oil groups in the basin : group a with abundant 4 - melhylsterancs. group b with relative low 4 - methylstcrane contents, and group c with relative lowest maturity

    全油定量gc ms分析結果顯示，珠江口盆地存在三類原油： a類原油以豐富的4 -甲基甾烷為特徵； b類原油以低4 -甲基甾烷含量為特徵； c類原油以相對低成熟度為特徵。
  13. For example, previously consumers with high levels of cholesterol might have considered simply eliminating foods high in cholesterol and saturated fats. now, with greater access to information and wider food choices, choosing foods with mainly monounsaturated and polyunsaturated fat content or foods fortified with plant stanols or sterols which actively lower blood cholesterol levels, are just two examples of how consumers can expand, rather than narrow the variety of foods making up their daily diet

    比如，以前高膽固醇的消費者只能考慮從食物中剔除高膽固醇和高飽和脂肪酸的部分，現在有了更多的信息和更好的教育，他們可以選擇單不飽和脂肪酸和多不飽和脂肪酸含量較高的食品，或者選擇用植物甾烷醇或甾醇強化的食品，這些食品都能夠降低血膽固醇水平。
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