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  • 1
    Keywords: Geology. ; Geotechnical engineering. ; Geology. ; Geotechnical Engineering and Applied Earth Sciences.
    Description / Table of Contents: Introduction -- Paleosedimentary Environments And Karst Characteristics Of Ordovician Limestone In North China Coalfields -- Water-Bearing And Water-Resisting Properties Of Top Of Ordovician Limestone In North China Coalfields -- Utilizability Of Weathered And Filled Zone Of Top Of Ordovician Limestone In North China Coalfields -- Criterion For Utilization And Grouting Reconstruction Of Top Of Ordovician Limestone -- Technical System Of Grouting Reconstruction Of Top Of Ordovician Limestone -- Case Study Of Utilization And Grouting Reconstruction Of Top Of Ordovician Limestone -- Conclusions And Innovation Points.
    Abstract: This book examines the water resistance capacity of the Upper Ordovician limestone and its feasibility as a water barrier to achieve safe and green mining. Mine water inrush events often occur during coal mine construction and production; they account for a large proportion of the coal mine disasters and accidents in China, second only to gas explosions. As mining depths and mining intensity continue to increase, the hydrogeological conditions encountered are becoming more complex. This book describes in-situ methods designed to test the water resistance of the limestone layer, as well as specific grouting techniques developed to transform this layer into a barrier that can prevent water inrush during mining. The innovative technologies, which were applied and validated in two coal mines, are applicable to other coal mines or any underground engineering works.
    Type of Medium: Online Resource
    Pages: XVI, 183 p. 98 illus., 83 illus. in color. , online resource.
    Edition: 1st ed. 2020.
    ISBN: 9783030401160
    Series Statement: Springer Theses, Recognizing Outstanding Ph.D. Research,
    DDC: 551
    Language: English
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  • 2
    Keywords: Geology. ; Water. ; Hydrology. ; Geotechnical engineering. ; Pollution. ; Geology. ; Water. ; Geotechnical Engineering and Applied Earth Sciences. ; Pollution.
    Description / Table of Contents: Water Hazards in Coal Mines and Their Classifications -- Mechanisms of Water Hazards in Coal Mines -- Techniques of Identifying Water Hazards in Coal Mines -- Evaluations and Prediction of Water Hazards in Coal Mines -- Monitoring and Early-Warning Techniques for Water Hazards in Coal Mines -- Proactive Mitigation of Water Inrush Risk on Regional Scales -- Emergency Responses to Water Hazards in Coal Mines -- Integration of Mine Water into Resource Planning -- Regulations on Water Hazard Control and Management -- Case Studies on Prevention and Mitigation of Water Hazards in Coal Mines.
    Abstract: This book summarizes the advances in mine hydrogeology in terms of the development of new technologies and sustainable mining to prevent water inrush disasters during coal-mine construction and production in China. It presents holistic topics that balance safe coal mining and the minimization of impacts on the environment and human beings. Systematically describing the methods and techniques used in China’s coal mines to predict, prevent and mitigate water inrushes, it includes nine case studies to illustrate the practical engineering solutions using state-of-art methods and technologies under various conditions. It also discusses how the approaches could help solve the world’s water problems, not only in mining, but also in tunneling, disposing of nuclear waste, storing natural gas, and sequestering CO2, as well as their impact on mining industries and related fields around the world. The book intended for students, researchers and practitioners working in the mining industries.
    Type of Medium: Online Resource
    Pages: XIV, 510 p. 223 illus., 121 illus. in color. , online resource.
    Edition: 1st ed. 2021.
    ISBN: 9783030670597
    Series Statement: Professional Practice in Earth Sciences,
    DDC: 551
    Language: English
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  • 3
    Publication Date: 2024-04-09
    Description: To promote scientific understanding of surface processes in East Asia, we have published details of the CMADS dataset in the journal, Water, and expect that users around the world will learn about CMADS datasets while promoting the development of hydrometeorological disciplines in East Asia. We hope and firmly believe that scientific development in East Asia and our understanding of this typical region will be further advanced.
    Keywords: G1-922 ; Q1-390 ; sensitivity analysis ; non-point source pollution models ; reservoirs ; operation rule ; East Asia ; climate variability ; Qinghai-Tibet Plateau (TP) ; potential evapotranspiration ; precipitation ; capacity distribution ; GLUE ; soil temperature ; land use change ; JBR ; CFSR ; Jinsha River Basin ; impact ; runoff ; CMADS ; hydrological modeling ; aggregated reservoir ; reanalysis products ; Lijiang River ; spatio-temporal ; uncertainty ; total nitrogen ; Han River ; streamflow simulation ; meteorological ; CMADS-ST ; Erhai Lake Basin ; uncertainty analysis ; Biliuhe reservoir ; hydrological ; bayesian model averaging ; blue and green water flows ; SUFI-2 ; TMPA-3B42V7 ; statistical analysis ; satellite-derived rainfall ; streamflow ; satellite-based products ; Xiang River basin ; SWAT hydrological simulation ; PERSIANN-CDR ; hydrological processes ; SUFI2 ; CMADS dataset ; ParaSol ; hydrological modelling ; accumulation ; meteorological input uncertainty ; soil moisture content ; Yellow River ; SWAT ; Noah LSM-HMS ; sediment yield ; Yalong River ; TRMM ; Penman-Monteith ; IMERG ; PERSIANN ; hydrological elements ; freeze–thaw period ; land-use change ; parameter sensitivity ; China ; reservoir parameters ; soil moisture ; sloping black soil farmland ; hydrological model ; SWAT model ; hydrologic model ; thema EDItEUR::R Earth Sciences, Geography, Environment, Planning::RG Geography
    Language: English
    Format: image/png
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  • 4
    Publication Date: 2011-02-25
    Description: Low molecular weight gelators are an important class of molecules. The supramolecular gels formed by carbohydrate derived low molecular weight gelators are interesting soft materials that show great potential for many applications. Previously, we have synthesized a series of methyl 4,6- O -benzylidene-α-D-glucopyranoside derivatives and found that several of them are good gelators for water, aqueous mixtures of DMSO, or aqueous mixtures of ethanol. The gelation efficiency of these glycolipid derivatives is dependent upon the structures of their acyl chains. In order to understand the influence of the anomeric position of the sugar headgroup towards self-assembly, we synthesized a series of 1-deoxyglucose analogs, and examined their gelation properties in several solvents. Several long chain esters, including diacetylene containing esters, and aryl esters exhibited gelation in ethanol, aqueous ethanol, or aqueous DMSO. The synthesis and characterization of these novel analogs are reported. Beilstein J. Org. Chem. 2011, 7, 234–242. doi:10.3762/bjoc.7.31
    Keywords: 1,5-anhydroglucitolcarbohydratehydrogelatororganogelatorself-assembly
    Electronic ISSN: 1860-5397
    Topics: Chemistry and Pharmacology
    Published by Beilstein-Institut
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