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- The interbedding natures exist not only between red sandstone, mudstone and shale but also between red beds with coal seam, magmatite, evaporite and varied rock, respectively. 由于砂岩、泥岩、页岩、蒸发岩、杂色岩等多种软硬岩层互层结构和工程活动等因素的影响,沿着软弱结构面易发生滑坡、差异风化等工程地质问题。
- Two fossil spore-pollen assemblages are found in the Cretaceous red beds of Jin Ju Basin, Chekiang Province. 浙江金衢盆地白垩系红层,共发现二个化石孢粉组合。
- He consoled his reproachful father by promising to buy him a nice new red bed. 他劝说责备他的父亲答应给他买一张漂亮的新红床。
- The red bed is a elastic sedimentary rock mainly deposit by red continental sedimentation, the rock property is mainly composed by sandstone, mudstone, siltstone and arenaceous shale. 摘要红层是红色陆相沉积为主的碎屑沉积岩层,岩性以砂岩、泥岩、粉砂岩和页岩为主。该类岩层多为软岩与硬岩相间,呈互层状产出,层间结合力弱。
- The use of a vertical seawall resting above the rock fill mound would minimize the width of the base. 在毛石堆上建造垂直海堤可减少底座的阔度。
- According to their building material, dams are described as concrete, earth fill, rock fill, hydraulic fill and so on. 按照筑坝所用材料,可以把坝称为混凝土坝、填土坝、堆石坝,水力冲填坝等等。
- The age of Coal Series and its overlying Red Beds of Yunnan and szechuan has been aconflicting problem for almost half a century. 正>一、前言四川与云南中生代红层与煤系的时代问题,是长期间争论的问题。
- Uranium mineralization occurs when interlayer water with oxygen and uranium enclosed in primary red beds meet with reduction fluids along fractures. 矿化成因为原生红层中封存的含氧含铀层间水同沿断裂进入的还原溶液互相作用的结果。
- Combined with the scene test and engineering practice, this paper discusses the total quality management of rock fill roadbed. 对于填石路基填料,现行规范对其压实质量的控制缺乏有效指导。
- The idea "Cretaceous Oceanic Red Beds" (CORB) has become one of hot topics since it was put forward and initiated by Chinese scholars during latest 1990s. 摘要“白垩纪大洋红层”(CORB)这一认识自20世纪末正式提出后已经迅速成为白垩纪新的研究方向之一。
- A mass of igneous rock filling the vent of a volcano. 岩颈填满一座火山的一块火成岩
- A mass.of igneous rock filling the vent of a volcano. 岩颈填满一座火山的一块火成岩
- Rational fertilization according to characteristics of bed soil for cotton seedlings was an important measure for improving seedlings bed, strengthening seedlings, saving labor and costs. 针对棉苗床土特点进行合理施肥,是改良苗床、壮苗、省工、省肥的重要措施。
- Their formational process and distribution areclosely associated with red bed (basin). 它们的形成过程及分布与红层(盆)关系密切。
- The Mid-Cretaceous (125~90 Ma) was one of the warmest greenhouse climate periods of the Phanerozoic, and was characterized by extraordinary igneous events, oceanic anoxia, biotic turnovers and mass extinctions, normal superchron, and oceanic red beds. 白垩纪中期(125~90 Ma)是地质历史中一个极端温室时期,集中出现一系列异常事件。
- The measurement of actual works also explained that the use of compound geotextile in rock fill dam surface can reduce the amount of leakage water by 60%, the effects of imperviousness are obvious. 此外,实际工程观测也说明,砌石坝构筑复合土工膜坝面防渗体后,漏水量减少了60%25,防渗效果良好。
- In this paper,the experiment of mining following cutting rock fill with level delamination and cementation floor for inclined seam mining in Maozaiwan mine area,Tongshanling Mine is introduced. 介绍了水平分层胶结底板上向分采充填法在铜山岭矿猫崽湾矿区倾斜极薄矿脉中的开采试验情况。
- Upper Jurassic red bed cover directly on coal measure strata of Permian and Carboniferous system in Yanzhou coal field . 兖州煤田的上侏罗统红层直接覆盖于二叠、石炭系煤系地层之上。
- This paper deals with the present situation,prospect and significance of the research for continental Cre-taceous red beds to reconstruction of paleoclimate in the Cretaceous period. 介绍了白垩纪陆相红层研究的现状及前景,特别是其在白垩纪陆相古气候恢复方面所具有的重要意义。
- PHYSICAL PROPERTIES OF PLANOSOL GINSENG BED SOIL 白浆土人参床土的物理特性