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- The sources, background value, environmental geochemistry features of fluorine, and its biological effects on animals, plants and human beings were reviewed. 阐述了环境中氟污染的来源、本底值和氟的主要环境地球化学特征及氟对植物、动物和人机体的生物效应。
- REE geochemical feature was studied by comparing ore with ore hosted Lantian group stratum, granite related to ore deposit, and altered rock, to trace metallogenic matter origin. 对比研究了皖南西坑银多金属矿床中赋矿围岩蓝田组地层、成矿有关的花岗岩、矿石、矿床蚀变岩等地质体的稀土元素地球化学特征 ,借以示踪成矿物质来源。
- The geochemical features of different types of Dushan jade are differentiated based on trace element and REE geochemistry using neutron activation analysis (NAA). 应用中子活化分析法对河南南阳独山玉的稀土微量元素进行了研究,结果表明:白独玉、绿独玉与黑独玉的地球化学特征有明显的差别。
- Its geochemical feature indicates that ore forming elements mainly comes from stratum and rock of pre Devonian period and ore forming solution is complex fluid of syngenetic water, metamorphic water and meteoric water. 矿床的地质地球化学特征表明,成矿物质主要来自前泥盆纪基底的地层和岩石,成矿溶液主要为盆地同生水与变质水及大气降水的混合流体。
- The main feature on the program is her song. 那个节目的主要号召物是她的歌。
- Wet weather is a feature of life in this area. 天气潮湿是这个地区生活的一个特色。
- I do not realize it is a double feature. 我原先不知道这是双片连映。
- GAS GEOCHEMISTRY FEATURE AND RATION CONTRIBUTION OF HYDROCARBON SOURCE ROCKS IN SANZHAN GAS FIELD OF SONGLIAO BASIN 松辽盆地三站气田天然气地球化学特征与烃源岩产气贡献
- Organic geochemical features indicate that black shales were formed in an anoxic sea environment. 黑色岩系姥姣烷与植烷比值、岩性和生物特征指示其形成于一种缺氧还原沉积环境。
- A main feature of computer virus. 计算机病毒的一种主要特性。
- The supergene geochemical features and the factors that control the supergene geochemical anomaly of gold in alpine meadow landscape are expounded. 阐述了高寒草甸景观区金的表生地球化学特征,以及制约金的表生地球化学异常发育的表生和景观因素。
- A characteristic feature of Attic Greek. 雅典式的习语,文体,风格等古希腊雅典个性风格
- This paper describes the geological and geochemical features of the ore deposit and proves its subvolcanic hydrothermal metallogenesis. 文章较系统阐明了磁海矿床的成矿地质地球化学特征,证实了它的次火山热液成矿特征。
- A notable or distinctive feature or characteristic. 特征显著或特殊的特征或特点
- Cliche is a feature of bad journalism. 使用套语是拙劣的新闻体的特点。
- This is a key feature of our society. 这是我们社会的一个主要特点。
- The local newspaper ran a feature on child labor. 地方报纸登载一篇有关童工的特写。
- Based on the contrasting of the formation time of ore hosted rock, alkali rock, diabase and uraninite, and study on the geochemical features of the alkali rock, The study pres... 本文根据含矿主岩、碱交代岩、辉绿岩与沥青铀矿在形成时间上的对比,以及碱交代岩的地球化学特征研究,认为石土岭铀矿床的碱交代作用主要是地幔流体沿深层次伸展构造上升过程中产生的交代作用形成的。
- Massive bioclastic limestone from the middle of the sequence was believed to be formed under the aerobic conditions, supporting by both ecological and geochemical features. 块状灰岩的生物特征和地球化学特征均指示常氧沉积环境;
- The sole redeeming feature of this job is the salary. 这份工作唯其薪水尚可弥补一切之不足。