花岗岩类长石相成分换算及其应用

来源 :地球化学 | 被引量 : 0次 | 上传用户:w__hailin
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
Based on the data on plagioclase number of granitoids and whole.rock chemical analysis the author has proposed that the percentage of molecules of albite in the coexisting plagioclase and alkali-feldspar can be converted directly by petro-chemical approac
其他文献
This paper reviews the features of several tungsten ore deposits in southern China, including the Shezhuyuan, Yaogangxian, Xihuashan, Danping, Yiatang and Dajis
本文通过对成都市和彭山县、万县农村4 ̄12月龄婴儿营养性贫血的调查,发现农村婴儿的贫血率显著高于城市,随月龄增加而增加,而血红蛋白浓度随月龄增加有所下降。城乡婴儿的性别与贫血
In order to understand the origin of metal spherical minerals in the Okinawa Trough sediments, the authors have microscopically examined 215 samples (161 surfac
结合北京参与式生态农业的典型案例和相关国际历史经验,分析了北京参与式生态农业发展的内在需求与外在动力,参与式生态农业以城市需求为指向,挖掘农业多功能性,创新农业经营
This paper describes in detail the method of separating Rb and Sr from black shale samples by using cation exchange resin 71-616×20, experimental condition
Among various factors governing the formation of tungsten ore deposits, the stratigraphic condition is considered as an important one. The formation of tungsten
为探讨龙泉市流行性出血热(EHF)发展变化趋势,应用Markov模型预测法在对龙泉市1980 ̄1995年EHF的发病率统计分析的基础上,对该市1996 ̄1999年EHF的发病趋势进行了预测。结果表明,龙泉市1996 ̄1999年的EHF年发病率状态将持续在〉30/10万(高
对80例脑梗塞急性期病人分别测定血清中过氧化脂质代谢产物的丙二醛及体内重要的自由基清除剂超氧化物歧化酶的活性,发现脑梗塞急性期血清MDA明显增加而SOD活性明显降低,二者成负相关,结
本文的目的的三于观察鲷离子对草履虫的繁殖毒性、有丝分裂相细胞比率、生长抑制和剌丝光不发射率的作用。结果表明:Cu^2+对草履虫产生繁殖毒性,有丝分裂指数降低,生产抑制的阈浓度为