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- The Middle Permian Chihsia Formation of South China is featured by nodular chert, which is of implications in the reconstruction of coeval paleogeography and paleoceanography. 摘要燧石结核是华南地区二叠纪栖霞组的重要识别特征之一，其成因具重要的古地理、古海洋意义。
- This paper deals with mineralogical, petrologic characteristics and diagenesis of the nodular chert collected from Huangshi Hubei, Nanjing Jiangsu, and Laibin Guangxi. 通过对湖北黄石、江苏南京和广西来宾三地栖霞组燧石结核的岩石矿物学研究，确定了栖霞组燧石结核的矿物组成和成岩作用序列。
- nodular chert 结核状燧石
- Chert Jie is looking at some picture. 教师引导学生看主情景图。
- Fanlin Nodular Cast Iron Pipe Co., Led. 龙口市泛林球墨铸铁管有限公司。
- Some of them showed nodular appearance partially. 肿瘤境界清楚，切面灰白色，部分呈结节状。
- It is also arising in a cirrhotic (nodular) liver. 此病变也可由肝硬化发展而来。
- Some of the thick septa appear nodular in contour. 部分增厚的小叶间隔呈结节状。
- Any of various hard,dark-colored rocks,especially basalt and chert. 暗色岩一种坚硬、暗色的岩石，尤指玄武石及燧石
- The sediments in this photo curve near the ends of chert pods. 这沉淀物在这幅图片的曲线近似冷凝物的黑矽石的扁豆形矿体。
- Paleontologists know chert as a good place to look for fossils. 古生物学家以黑硅石为化石采集地点的标志。
- Infected lungs are firm, nodular and variegated color. 感染的肺脏坚实、结节状、五颜六色。
- Thus we can better understand the deformation of chert in a highly fluid form. 这样我们就能更好地理解燧石在高度流体状态时的变形情况。
- How is timing controlled to prevent nodular iron fade? 如何控制球铁孕育时间?防止石墨退化?
- Basic graphite morphology types of nodular iron were introduced. 介绍球墨铸铁中石墨的基本形态类型。
- Demonstrate ability to diagnose papular and nodular skin lesions. 学习诊断丘及结节之皮肤病变.
- Any of various hard, dark - colored rocks, especially basalt and chert. 暗色岩一种坚硬、暗色的岩石，尤指玄武石及燧石
- Is nodular goiter the pathological change of the precancerosis? 结节性甲状腺肿--癌前病变?
- Any of various hard, dark-colored rocks, especially basalt and chert. 暗色岩一种坚硬、暗色的岩石，尤指玄武石及燧石
- The presence of a nodular liver at the time of examination may be revealing. 检查时肝脏的结节可能有启示性。
