碎屑
- 与 碎屑 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Based on the food chain relationship between nutrition, autotrophy and detritus biomass, considering the complementarity of the nutrition which is caused by the animalcule decomposition of the propagation reliquiae, as well as its losing caused by physical therapies, we set up a model of zoology dynamics about the reciprocity of nutrition-autotrophy-detritus biomass, and analyze the dynamical stability of the model solution by using modern nonlinear theory.
基于营养盐、赤潮藻类、碎屑的生物量之间的食物链关系,考虑到由于海洋内微生物分解动植物遗体对营养盐的补充以及物理因素导致的流失,建立了营养盐-赤潮藻类-碎屑的生物量相互作用的耦合生态动力学模型。运用现代非线性动力学理论,对模型解的动力学稳定性进行了分析。
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Effected by provenance from the depression northeast and the north, sandstones shaped as semicircle,are distributed in the depression northeast ,and then mudstone and silty argillite as its transition to the southwest. The sequence is classified into two types: alluvial fan-braided river sequence, which was formed by the strong tectonic movement in the lower Jurassic, lake-delta-meander river sequence that generated in the middle and upper Jurassic.
由于受凹陷东北部及北部双向物源的影响,砂岩呈半环状分布于凹陷的东北部,向西南部过渡为泥岩、粉砂质泥岩,研究中把层序结构分两种类型:既早侏罗世强烈构造运动形成的冲积扇-辫状河形的砂泥岩碎屑层序、中晚侏罗世形成的湖泊-三角洲-曲流河形的砂泥岩碎屑层序。
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6722 Uranium deposit and the geological effects of underground nuclear explosion , the explosion equivalent of TNT for cryptoexplosive breccia of No.
对产出在花岗岩基底中的6722铀矿床长英质隐爆碎屑岩地质构造特征进行了研究,并与我国在相似地质条件下进行的地下核爆炸试验产生的地质效应作了对比,类比计算出形成该隐爆碎屑岩体的爆炸能量。
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Plentiful oil and gas reservoir in the Tertiary clastic rocks in north edge of Chaidamu Basin.
柴达木盆地北缘第三系有丰富的油气储集,主要存在于碎屑岩中,油气的储集明显与碎屑岩的沉积环境和成岩作用有关。
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Synthetic analysis of petroclastic rock in deep formation of Paleogene in Dongying sag show that acidic medium caused from organic-inorganic interactions and circulated convection current in abnormal high pressure formation are important factors influencing and controlling diagenesis.
对东营凹陷下第三系深部碎屑岩储层成岩作用的影响因素进行了研究,结果表明,有机无机化学反应提供的酸性水介质环境和异常压力带流体的循环热对流是影响和控制深部碎屑岩储层成岩作用的重要因素。
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Basal synthem is the Taishan mountain group in archaean, is mainly the gneiss; The paleozoic synthem besides the regional lost stratas: Upper Ordovician, Silurian-Devonian and Lower Carboniferous, other stratas have the distribution, divides into Cambro-ordovician and Permo-Carboniferous two structure subgroups. Cambro-ordovician is a set of carbonate construction, Permo-Carboniferous system is a set contains the coal clastic rock deposition; In the mesozoic synthem lost Upper Triassic and Upper Crataceous ,growth Middle-Lower Triassic and Middle-Lower Jurassic and Lower Crataceous three structure subgroups, main growth varicolored land facies clastic rock, discovered rich fossil data such as cryptogam ,Ostracoda and Chareae and so on.
基底构造层指太古界泰山群,主要为片麻岩;古生界构造层除区域性缺失的上奥陶统、志留-泥盆系和下石炭统外,其余地层均有分布,分为冷武-奥陶系和石炭-二叠系两个构造亚层,冷武-奥陶系为一套碳酸盐建造,石炭-二叠系为一套含煤碎屑岩沉积;中生界构造层缺失上三叠统和上白垩统,发育下-中三叠统、下-中侏罗统和上侏罗-下白垩统三个构造亚层,为杂色陆相碎屑岩,发现丰富的孢粉、介形类、轮藻等化石;新生界古近系岩性以砂泥岩互层为主,含薄层油页岩,新近系-第四系为一套河流相沉积。
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The results indicate that the tempestite in the area has lots of rock types including clastic rocks, bioclastic limestones and volcaniclastic rocks. The cumulative probability plots have "high slope-multi-bouncing population-1 suspension population" pattern, multi segments pattern and "high slope 1 segment" pattern. The sedimentary structures include gutter cast, surface of scour, cut structure, graded bed, massive bedding, hummocky cross stratification, parallel bedding, ripples, contemporaneous deformation and Fugichnia. The grains distribution and sedimentary structures shier that the transportation medium is characterized by tractive current and gravity flow synchronously.
结果表明,该凹陷风暴沉积岩石类型丰富,包括各类碎屑岩、生物灰岩和火山碎屑岩粒度分布具有"高斜多跳悬式"、多段式和"高斜一段式"等多种样式沉积构造发育渠模、冲刷面、截切等底层面侵蚀构造和递变层理、块状层理、丘状层理、洼状层理、平行层理等构造,还发育有波痕和各种同生变形构造、生物逃逸构造等粒度分布和沉积构造反映出研究区兼有重力流和牵引流的水动力机制。
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Despite of this, the field geology and the character of pyroclastic rocks remain the basis of the petrogenesis of pyroclasic rocks.
尽管这样,野外地质和火山碎屑岩的岩性特征,仍是火山碎屑岩成因研究的基础。
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The scene of the geo-park is rich in volcanic rocks, which predominately consists of pyroclast-bearing and volcanoclastic rocks with porphyritic texture and can be classed into plutonic, epizonal, intrusive, extrusive and eruptive environments.
通过对大别山金刚台国家地质公园火山岩的岩性特征、火山岩相、相模式和火山机构的研究,认为火成岩斑状结构的含碎屑碎屑状岩石可以有深成、浅成、侵出、喷溢或爆发等不同产状。
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The basal unit consists of white and grey pumice fragments, black scoria clasts, black obsidian clasts, and accidental volcanic lithics set in a matrix of ash and crystals.
基底单位由白色和灰色浮石碎片,黑色矿渣碎屑,黑色黑曜石碎屑,并在晶体矩阵的火山灰和火山lithics设置意外。
- 推荐网络例句
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The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.
采用不同浓度K2CrO4(0,0.4,0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗,测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。
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By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.
通过分析数学形态学在图像中的理论基础,研究二值图像的形态分析算法,探讨最小结构元素的两种基本形态:膨胀和腐蚀;分析了数学形态学复杂算法的基本原理,把数学形态学的部分并行处理理念引入到家实际应用中。
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Have a good policy environment, real estate, secondary and tertiary markets can develop more rapidly and improved.
有一个良好的政策环境,房地产,二级和三级市场的发展更加迅速改善。