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中国丰宁世地层概况及其珊瑚群特征 被引量:5
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作者 俞建章 林英锡 《地质学报》 1978年第3期222-230,共9页
中国的下石炭统称丰宁统。丰宁统的标准剖面位于贵州南部独山境内。依据珊瑚化石,曾将该区丰宁统自下而上划分为四个带,即Cystophrentis带、Pseudouralinia带、Thysanophyllum带及Yuanophyllum带,相应的地层单位称革老河段、汤耙沟段、... 中国的下石炭统称丰宁统。丰宁统的标准剖面位于贵州南部独山境内。依据珊瑚化石,曾将该区丰宁统自下而上划分为四个带,即Cystophrentis带、Pseudouralinia带、Thysanophyllum带及Yuanophyllum带,相应的地层单位称革老河段、汤耙沟段、旧司段及上司段。革老河段与汤耙沟段合称岩关阶(相当于西欧的杜内阶),旧司段与上司段合称大塘阶(与西欧维宪阶相当)。我国各地区的丰宁统均可与黔南的标准剖面进行对比。 展开更多
关键词 标准剖面 Cystophrentis带 丰宁统 珊瑚群 下石炭统
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Application of Different HSI Color Models to Detect Fire-Damaged Mortar
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作者 H.L.Luo D.F.Lin +1 位作者 c.c.yu L.Y.Chen 《International Journal of Transportation Science and Technology》 2013年第4期303-316,共14页
To obtain a better understanding of the effect of vehicle fires on rigid pavement,a nondestructive test method utilizing an ordinary digital camera to capture images of mortar at five elevated temperatures was underta... To obtain a better understanding of the effect of vehicle fires on rigid pavement,a nondestructive test method utilizing an ordinary digital camera to capture images of mortar at five elevated temperatures was undertaken.These images were then analyzed by“image color-intensity analyzer”software.In image analysis,the RGB color model was the basic system used to represent the color information of images.HSI is a derived-color model that is transformed from an RGB model by formulae.In order to understand more about surface color changes and temperatures after a vehicle fire,various transformation formulae used in different research areas were applied in this study.They were then evaluated to obtain the optimum HSI model for further studies of fire-damaged mortar through the use of image analysis. 展开更多
关键词 Non-destructive test method HSI color model PAVEMENT CONCRETE
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