Nine standardization requests were released at the 6th International Symposium on Intelligent and Connected Vehicles(ICV)Technologies,Standards and Regulations jointly held by National Technical Committee of Auto Stan...Nine standardization requests were released at the 6th International Symposium on Intelligent and Connected Vehicles(ICV)Technologies,Standards and Regulations jointly held by National Technical Committee of Auto Standardization(SAC/TC 114)and National Technical Standards Innovation Base for Automobiles on September 15-16 in North China's Tianjin municipality.展开更多
The Wuhan intelligent connected vehicle(ICV)test site,constructed by China Construction Second Engineering Bureau,was fully completed on Aug.5 and is expected to be officially operational in January of next year.The t...The Wuhan intelligent connected vehicle(ICV)test site,constructed by China Construction Second Engineering Bureau,was fully completed on Aug.5 and is expected to be officially operational in January of next year.The test site is located by the Dongjing River in Wuhan Economic and Technological Development Zone.展开更多
化学蚀变指数(chemical index of alteration)最早作为判别源岩区化学风化程度的指标而提出,随后又应用于对沉积物沉积环境的判定。化学蚀变指数的表达式为CIA=n(Al2O3)/[n(Al2O3)+n(CaO^*)+n(Na2O)+n(K2O)]×100...化学蚀变指数(chemical index of alteration)最早作为判别源岩区化学风化程度的指标而提出,随后又应用于对沉积物沉积环境的判定。化学蚀变指数的表达式为CIA=n(Al2O3)/[n(Al2O3)+n(CaO^*)+n(Na2O)+n(K2O)]×100。CaO^*代表硅酸盐中的CaO,n(CaO^*)=n(CaO)-n(CO2,方解石)-O.5·n(CO2,白云石)-10/3·n(P2O5)。化学蚀变指数研究样品的选取极为重要,最佳岩性为细碎屑岩,需要清除成岩过程中钾交代作用的影响。用成分变异指数(ICV)来判别沉积再循环作用和沉积物成分被改造的程度。用A—CN—K三角图解来判别物源区的源岩性质和样品钾交代的特征及其风化趋势。宜昌三斗坪地区南华系CIA研究表明:该区南华系下统莲沱组下部的CIA值在50~65之间(干燥寒冷),上部为65~75之间(温暖潮湿)和顶部为55~60之间(干燥寒冷);南华系上统南沱组的CIA值基本在60~65之间(干燥寒冷),近顶部两个样品的CIA值达70(温暖潮湿)。上述CIA值变化表明本区南华纪经历自老到新由冰期干燥寒冷-间冰期温暖潮湿-冰期干燥寒冷沉积环境的变化过程。本文据此提出了新的扬子古陆南华系新的划分和对比方案。展开更多
化学蚀变指数(chemical index of alteration)(CIA)最早作为判别源岩化学风化程度而提出,随后又应用于对沉积物沉积环境的判定。化学蚀变指数的表达式为CIA={n(Al2O3)/[n(Al2O3)+n(CaO^*)+n(Na2O)+n(K2O)]}×10...化学蚀变指数(chemical index of alteration)(CIA)最早作为判别源岩化学风化程度而提出,随后又应用于对沉积物沉积环境的判定。化学蚀变指数的表达式为CIA={n(Al2O3)/[n(Al2O3)+n(CaO^*)+n(Na2O)+n(K2O)]}×100。CaO^*代表硅酸盐中的CaO,n(CaO^*)=n(CaO)-n(CO2方解石)-n0.5×n(CO2白云石)-10/3xn(P2O5)。化学蚀变指数样品的选取极为重要,最佳岩性为细碎屑岩,并需清除成岩过程中钾交代作用的影响,以及采用成分变异指数(ICV)来判别沉积再循环作用和沉积物成分被改造的程度。使用A—CN—K三角图解判别物源区的源岩性质和样品钾交代的程度及其风化趋势。黔南-桂北地区南华系的CIA研究表明:该地区南华系下部的长安组其下部CIA值为60~65之间,中部为70~5,上部回落到65—70之间。南华系中部富禄组CIA值高,在85-95之间。南华系上部的南沱组CIA值再次回落到60—65的范围。上述CIA值的变化表明本区南华纪时期自老至新经历多次由干燥寒冷-温暖潮湿气候期的变化。本文据此提出扬子地块南华系新的划分、对比方案。展开更多
文摘Nine standardization requests were released at the 6th International Symposium on Intelligent and Connected Vehicles(ICV)Technologies,Standards and Regulations jointly held by National Technical Committee of Auto Standardization(SAC/TC 114)and National Technical Standards Innovation Base for Automobiles on September 15-16 in North China's Tianjin municipality.
文摘The Wuhan intelligent connected vehicle(ICV)test site,constructed by China Construction Second Engineering Bureau,was fully completed on Aug.5 and is expected to be officially operational in January of next year.The test site is located by the Dongjing River in Wuhan Economic and Technological Development Zone.
文摘化学蚀变指数(chemical index of alteration)最早作为判别源岩区化学风化程度的指标而提出,随后又应用于对沉积物沉积环境的判定。化学蚀变指数的表达式为CIA=n(Al2O3)/[n(Al2O3)+n(CaO^*)+n(Na2O)+n(K2O)]×100。CaO^*代表硅酸盐中的CaO,n(CaO^*)=n(CaO)-n(CO2,方解石)-O.5·n(CO2,白云石)-10/3·n(P2O5)。化学蚀变指数研究样品的选取极为重要,最佳岩性为细碎屑岩,需要清除成岩过程中钾交代作用的影响。用成分变异指数(ICV)来判别沉积再循环作用和沉积物成分被改造的程度。用A—CN—K三角图解来判别物源区的源岩性质和样品钾交代的特征及其风化趋势。宜昌三斗坪地区南华系CIA研究表明:该区南华系下统莲沱组下部的CIA值在50~65之间(干燥寒冷),上部为65~75之间(温暖潮湿)和顶部为55~60之间(干燥寒冷);南华系上统南沱组的CIA值基本在60~65之间(干燥寒冷),近顶部两个样品的CIA值达70(温暖潮湿)。上述CIA值变化表明本区南华纪经历自老到新由冰期干燥寒冷-间冰期温暖潮湿-冰期干燥寒冷沉积环境的变化过程。本文据此提出了新的扬子古陆南华系新的划分和对比方案。
文摘化学蚀变指数(chemical index of alteration)(CIA)最早作为判别源岩化学风化程度而提出,随后又应用于对沉积物沉积环境的判定。化学蚀变指数的表达式为CIA={n(Al2O3)/[n(Al2O3)+n(CaO^*)+n(Na2O)+n(K2O)]}×100。CaO^*代表硅酸盐中的CaO,n(CaO^*)=n(CaO)-n(CO2方解石)-n0.5×n(CO2白云石)-10/3xn(P2O5)。化学蚀变指数样品的选取极为重要,最佳岩性为细碎屑岩,并需清除成岩过程中钾交代作用的影响,以及采用成分变异指数(ICV)来判别沉积再循环作用和沉积物成分被改造的程度。使用A—CN—K三角图解判别物源区的源岩性质和样品钾交代的程度及其风化趋势。黔南-桂北地区南华系的CIA研究表明:该地区南华系下部的长安组其下部CIA值为60~65之间,中部为70~5,上部回落到65—70之间。南华系中部富禄组CIA值高,在85-95之间。南华系上部的南沱组CIA值再次回落到60—65的范围。上述CIA值的变化表明本区南华纪时期自老至新经历多次由干燥寒冷-温暖潮湿气候期的变化。本文据此提出扬子地块南华系新的划分、对比方案。