diasteranes
基本释义:
重排甾烷
网络释义
1)diasteranes,重排甾烷
2)rearranged drimane,重排补身烷
3)alkyl rearrangement,γ-烷基重排
4)rearranged hopanes,重排藿烷类
5)C30-rearranged Hopane,C30-重排藿烷
6)sterane,甾烷
用法和例句
The GC/MS analyses for alkanes from Late Jurassic source rocks of the Liudong depression,Kailu Basin,northeastern China showed that the concentration of diasteranes in some samples decreases anomalously with depth,suggesting that in this case the formation of these compounds may be not depended on maturity.
陆东凹陷上侏罗统生油岩样品饱和烃色质分析表明，重排甾烷随井深出现含量下降的逆转现象，表明热演化不完全是这类化合物形成的主要控制因素。
In these bicyclic sesquiterpanes,the relative abundance of the rearranged drimane is regularly changed in spatial distribution,which may indicate the characteristics of petroleum migration and accumulation in QHD32-6 oilfield.
该油田双环倍半萜中重排补身烷的相对丰度在纵向上和横向上都表现出有规律的变化,这种规律性的变化可能反映了秦皇岛32-6油田油气运移与聚集的特征。
The distributional characters of bicyclic sesquctecpances show that rearranged drimanes are relatively rich in the samples in Region A and relatively poor in Region C, but drimanes are relatively poor in Region A and rich in Region C.
双环倍半萜分布特征显示 ,A区原油重排补身烷含量相对较高 ,C区原油补身烷含量相对较高 ,这一特征与塔里木盆地海相和湖相原油特征相一致 ,暗示南海A、C区原油可能属不同成因类型 ;这一特征与其原油分子组成的非均质性在油区内的变化颇具一致性。
An γ - alkyl rearrangement of an alkyl group in phosphonate is also found during electron impacting.
发现３－取代芳基－２－吲哚基膦酸酯的膦酰基中的烷基在碎裂过程中也产生γ－烷基重排反应，同时讨论了这类化合物的质谱碎裂行为。
Composition and origin approach of rearranged hopanes in Jurassic oils of cen tral Sichuan basin;
川中侏罗系原油重排藿烷类化合物的组成及成因探讨
According to the characteristics of high C30-rearranged Hopane and extremely low C30 Hopane of the Chang91 source rock,in combination with other geochemical parameters in oil-source correlation,Chang8-Chang9 rese.
以志丹地区长91烃源岩具有异常高的C30-重排藿烷、异常低的C30藿烷这一显著特征为主要依据,结合其他地球化学参数进行的油源对比表明,志丹南部地区的长8—长9储集层原油与长91烃源岩具有密切的亲缘关系,而其他地区长91储集层原油与长91烃源岩的可对比性差。
Distribution and sources of steranes and pentacyclic triterpanes in surface soils and bottom sediments from Tianjin;
天津地区表层土壤和河流沉积物中甾烷与五环三萜烷的分布特征及污染源分析
Direct evidence of sterane and 4-methyl-sterane originating from plant pollens in organic deposit;
沉积有机质中甾烷、4-甲基甾烷植物花粉来源的直接证据
The biodegradation of regular sterane and rearranged sterane in crude oil was studied on the basis of simulated biodegradation experiment to the crude oil.
通过喜氧细菌对原油的模拟生物降解实验,以及对模拟产物的饱和烃色谱—质谱分析,对原油饱和烃中规则甾烷和重排甾烷的降解作用进行了研究。
Process Improvement on the Synthesis of C-nor-D-homo Sapogenin
C-去甲-D-高甾烷的合成工艺改进
Identification of C_(19)-C_(29) Steranes and 25-norhopanes in Source Rock and Geological Significance
烃源岩中C_(19)～C_(29)甾烷系列和25-降藿烷系列的检出及其地质意义
Assignment of 2β,16β-dipiperidino-5α-androstan-3α-ol-17-one in NMR
2β,16β-双哌啶基-5α-雄甾烷-3α-醇-17-酮的化学位移指认
The Activation of NF-κB Mediated by 7-ketocholesteryl-9-carboxynonanoate Associated with Inflammation
7-酮基胆甾醇-9-羧基壬烷介导的NF-κB活化与炎症的发生
Liquid Crystalline Properties of Siloxanes Polymer Containing Carboxylic Acid and Cholesteric Groups
含羧酸与胆甾基元的硅氧烷类聚合物的液晶性能
Two new polyhydroxylated sterols from the mangrove fungus Aspergillus awamori and the endo-boat conformation adopted by cyclohexene oxide system
红树林真菌泡盛酒曲霉中两个新的甾类成分及环氧环己烷体系特殊构象研究
A polar capillary column was used to separate the cholesterol from phytosterol.
植物油中主要含有谷甾醇、豆甾醇、菜油甾醇等多种植物甾醇。
A steroid containing a ketone group.
酮甾含酮基的甾类化合物
Synthesis of pregna-3,6,20-trioxime and pregna-6,20-dione-3-oxime
孕甾-3,6,20-三肟和孕甾-6,20-二酮-3-肟的合成
Determination of the Content of β-Sitosterol and Stigmasterol in Phytosterols by UV Spectral Method
混合甾醇中β-谷甾醇和豆甾醇的紫外光谱法分析测定
Extraction of Phytosterols from Filter Mud of Sugarcane Factory and Seperation of Stigmasterol and β-Sitosterol;
甘蔗糖厂滤泥中植物甾醇的提取及豆甾醇和β-谷甾醇的分离
primary aldosteronism
原发性醛甾酮增多症
22,23-dihydroergosteryl acetate
22,23-二氢麦角甾醇乙酸酯
cholesteric-nematic phase transition
胆甾相－向列相相转变
trihydroxy isosterocholenic acid
三羟基异甾族胆烯酸
trihydroxybufosterocholenic acid
三羟基蟾蜍甾族胆烯酸
7-dehydrocholesterol acetate
7-脱氢胆甾醇乙酸酯
esteryl oleoyl carbonate
胆甾醇油酰基碳酸酯
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