The modem karst formation started in the old Tertiary Period, and matured in the Quatemary Period.
现代岩溶的形成开始于老第三纪,成熟于第四纪。
The study on regional karst hydrogeochemistry is the base for researching karst formation, karst hydrogeology and environmental geology.
区域岩溶水文地球化学研究是深入开展岩溶的形成、岩溶水文地质和环境地质工作的基础。
The principle of reaching balance drilling and under balanced drilling using foam mud in water well drilling in Karst formation was presented.
分析了岩溶地层水文水井施工中,泡沫实现平衡压力或欠平衡压力钻井的原理及影响泡沫钻井有效井眼压力的因素。
The various topographic types and complicated climate provide importment conditions for formation and development of karst vegetation.
地貌类型多样,气候复杂,为岩溶植被的形成、演化提供了基本的“物质”条件。
In time and space, the whole process of karst collapse can be divided into two phases: inter collapse and surface collapse in term of the formation of the critical soil hole.
以临界土洞为界,岩溶塌陷的整个发育形成过程从时间和空间上划分为内部塌陷和地表塌陷两个密不可分的阶段。
However, the application of index is limited owning to lack of the study about formation mechanism in karst cave system.
然而由于缺乏该指标在岩溶洞穴系统中形成机理的研究,使得该环境替代指标的运用非常有限。
During the formation of stalactite and stalagmite in karst caves carbonate minerals often trap gas and aqueous fluids, forming immiscible fluid inclusion population when they are crystallizing.
喀斯特溶洞中石钟乳和石笋在形成过程中,碳酸盐矿物结晶时,常常捕获周围水溶液和气体,形成不混溶流体包裹体组合。
Through the analysis of karst characters and study of simulated tests, the paper explores environment of formation and evolution of karst and hydrogeochemistry and hydrodynamic alteration model.
本文通过岩溶特征分析和模拟试验研究,探索了岩溶形成演化环境及水文地球化学和水动力学蚀变模型。
The main reasons of Karst rocky desertification formation are the artificial unreasonable activities and frail ecological environment in the Karst mountainous area according to the research results.
根据喀斯特石漠化研究成果,喀斯特山区石漠化形成的主要原因是人为不合理干扰活动和喀斯特山区特有的脆弱生态环境所致。
This paper expatiates on the formation conditions and mechanism, analyses the forming reasons of karst physiognomy in specific areas in China, introduces the varieties and distributing areas.
阐述了喀斯特地貌的形成条件及其机制,对我国特定地区喀斯特地貌的形成原因作了分析,并且介绍了其发育的种类和分布地区。
The karst water not only holds very important status in the resources composition of karst environment but also has an important influence to karst environment's formation and transformation.
岩溶水不仅在岩溶环境的资源组成中占有十分重要的地位,而且对岩溶环境的形成改造具有重要的影响作用。
Cave and cleft in karst limestone are the main oil-bearing space of Ordovician oil poor in Tahe oil field, the develop level of ancient karst controlled the formation oil pool in Ordovician reservoir.
塔河油田奥陶系油藏储集空间以碳酸盐岩岩溶孔洞缝为主,古岩溶发育程度对奥陶系油气成藏有重要的控制作用。
The research of fault karst breccia is beneficial to uncovering the formation history and evolution of Gongcheng Limu fault zone.
对断溶角砾岩的研究有利于恢复恭城—栗木断裂带的形成及其演化历史。
The karst region is very fragile eco-environment with slow soil formation process, shallow and discontinuous soil, small water holding capacity, and low vegetation coverage.
喀斯特环境有成土过程缓慢、土层浅薄、土被不连续、土壤持水量低、植被覆盖率低的特点。
The effect of enlarging volume by eroding of underground runoff under the control of the principle of least resistance lays down a foundation for the formation of karst caves.
最小阻力原理控制下的地下径流的侵蚀扩容作用为洞穴的形成奠定了基础。
The Karst system in Maokou formation (P) is classified into three different types: intraformation paleokarst, Yangxin surface paleokarst, and fissure-cavern system karst.
泸州地区茅口组灰岩岩溶分为三种类型:层间古岩溶、阳顶古岩溶、缝洞系岩溶。
The formation of karst rocky desertification (KRD) is quite complex, but little related research for formation of KRD in Guizhou Province in historical period has been done in academic circles.
石漠化的形成是一个较为复杂的过程,但学术界对其历史时期的形成过程探讨较少。
It is indicated that the characteristics of overburden layer, development degree of karst and activities of groundwater have important influence on the formation of karst collapse.
结果表明,覆盖层特征、岩溶发育程度、地下水等对岩溶塌陷的产生有着重要影响。
The formation of karst? Cavern type carbonate oil reservoirs in lower Ordovician of 4 area in Tahe oilfield is related to weathering? Denudation of fossil weathering crust.
塔河油田4区下奥陶统碳酸盐岩岩溶缝洞型油藏的形成与古风化壳的风化剥蚀有关。
Covering an area of 350 square kilometers it is the largest extant intact Karst limestone formation.
石林面积350平方公里,是地球上现存规模最大、最为完整的喀斯特地貌景观。
Covering an area of 350 square kilometers it is the largest extant intact Karst limestone formation.
石林面积350平方公里,是地球上现存规模最大、最为完整的喀斯特地貌景观。
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