molecular fossils是什么意思

网络释义

用法例句

The molecular fossils characteristics of Cambrian heavy oil in Tadong 2 well were studied by the synthetic methods such as carbon isotope,GC and GC-MS.

综合运用同位素质谱、色谱、色谱-质谱技术手段研究了塔东2井寒武系稠油分子化石特征。

As a newly developed subdiscipline of stratigraphy,molecular stratigraphy focuses on a variety of molecular fossils derived from biochemicals including protein,nuclear acids,carbohydrates,lipids and lignin.

在地层中,分子化石具有分布的广泛性、定量的准确性、应用的指纹性和信息的多样性等特点,其地层学应用的主要原理是依据分子化石的生物源信息和其离开生物体后发生的一系列转化途径来实现的,其表述方法可以是含量、相对丰度、碳数分布和单体同位素特征等。

Series of molecular fossils, including n alkanes, extended tricyclic terpanes, hopanes and regular steranes, have been detected from the red clastic strata of Middle Jurassic-Early Cretaceous in Jianmenguan profile, Sichuan basin in China.

利用气相色谱 -质谱仪从四川剑门关侏罗—白垩系红层中检测出包括正构烷烃、类异戊二烯烃、长链三环萜、藿烷及甾烷等系列分子化石 。

Features of molecular fossils at the Shibei dinosaur fossil site-Early Jurassic red beds-in Gongxian, Sichuan, and their paleoenvironmental significance;

四川珙县石碑恐龙化石埋藏地红层分子化石特征及其古环境意义

The spacial variations of organism derived from the molecular fossil in the typical monsoon region;

中国典型季风区分子化石记录的生物空间分异

To construct the information system of molecular fossils based on Web will provide an information platform released on the Internet for worldwide researchers of organic geochemistry and molecular paleontology to retrieve and communicate rapidly.

通过系统需求分析 ,应用 ASP技术和 B/ S多层结构的分布式数据库技术来实现分子化石信息系统的 Web设计开发。

Analysis of Strategy and Research on Investment Decision of Dushanzi Petrochemical Company of Petrochina;

中油独山子石化分公司战略分析与投资决策研究

Organic Biomakers and the Sedimentation of Shell Bar Section from Qaidam Basin

柴达木盆地贝壳堤剖面有机分子化石与沉积环境

The Study on the Organic Molecular Fossils in Peat under Moss Hommock and Their Environmental Significance in Jinchuan Peatland;

金川泥炭地藓丘下伏泥炭有机分子化石及其环境标识意义研究

Studies on Effect of Low-molecular-weight Organic Acids on Phosphorus Availability in Calcareous Chao Soil;

低分子量有机酸对石灰性潮土磷素有效化影响的研究

GC-AED Measurement for Organic Sulphur Compounds and Its Tentative Applications in petroleum Geology

有机硫化物色谱－原子发射光谱分析及在石油地质中的应用初探

Theoretical Investigation on the Adsorption Mechanism of Acrylonitrile and 1,3-Cyclohexadiene on the Diamond (001)-2×1 Reconstruction Surface;

几种有机小分子在金刚石（001）-2×1重构表面化学吸附的理论研究

This hydroxyapatite can be used to make catalytic carrier for organic synthesis of some aldehydes by catalytic oxidization of alcohols by molecular oxygen.

此法合成的羟基磷灰石可用作由分子氧氧化一些醇类进行有机合成的催化剂载体。

Research on the Role of Low Molecular Weight Organic Acids on Kaolinite Dissolution;

低分子量有机酸对高岭石溶解作用的研究

Quantum chemistry study on adsorption of azobenzene on kaolinite surfaces

有机分子偶氮苯在高岭石表面吸附研究

Analysis and Treatment of the Organic Pollutants in Petrochemical Industry Wastewater;

石化工业污水中有机污染物的分析与治理

Studies on Cyanosilylation of Ketones Catalyzed by Organocatalysts;

有机小分子催化酮的硅晴化反应研究

Arrangement Models, Evolution and Conformation of Alkylammonium-cations in the Interlayers of HDTMA～+ Pillared Montmorillonite;

HDTMA～+柱撑蒙脱石层间域内有机离子的排列、演化模式及构型变化

The Preparation and Properties of PU/Zeolite Organic-inorganic Composite Materials;

聚氨酯/沸石分子筛有机—无机复合材料的制备及性能的研究

Theoretical Studies of Ruthenium Clusters and Some Organic Reactions;

钌原子簇和部分有机化学反应的量子化学研究

a complex inorganic compound that contains ammonia molecules.

一种含有氨分子的无机化合物。

organic macromolecules in the food

食物中大分子有机化合物

The Application of Molecular Modeling on Bioorganic Phosphorus Chemistry;

分子模拟在生命有机磷化学中的应用

Novel Small Organic Molecules Catalysts for Asymmetric Direct Aldol Reaction;

有机小分子催化的不对称直接Aldol反应

The Spiral Theory and Rotation of Organic Compound Molecules;

螺旋理论与有机化合物分子的旋光性