Results 11 to 20 of about 6,435,808 (241)
Kuangchan zonghe liyong, 2022 A synchronous flotation test of copper and silver in a silver-bearing copper oxide ore with high carbonate gangue from Yunnan was studied. The results show that copper and silver concentrate copper grade of 22.03% and recovery of 71.69% was achieved ...
Xiangyi Li +3 more
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Advances in Civil Engineering, 2023 Considering the pressure-bearing mechanism of the safety helmet and as an anchored net is subjected to the surrounding rock mass, researchers should regard the support force as a safety criterion.
Xiangdong Niu, Kepeng Hou, Huafen Sun
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Proposal for designating geothermal resource subzones by the Board of Land and Natural Resources [PDF]
, 1984 "This proposal for designating geothermal resource subzones by the Board of Land and Natural Resources summarizes the results of a statewide assessment of potential geothermal resource areas which best demonstrate an acceptable balance of factors set ...
State of Hawaii. Department of Land and Natural Resources, Division of Water and Land Development
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Advances in Materials Science and Engineering, 2022 In order to study the influence of elevation on the slake durability index of the quartz mica schist, the quartz mica schist with different elevations on the east slope of the Manjiazhai open-pit mine is taken as the research object, and based on ...
Yongfeng Lu +5 more
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Proposed Kilauea Middle East Rift Geothermal Resource Subzone (Puna Forest Reserve), Island of Hawaii : Circular C-114 [PDF]
, 1985 "Pursuant to the Decision and Order (see Appendix A) on the proposed geothermal resource subzone at Kahaualea, Hawaii, rendered by the Board of Land and Natural Resources on December 28, 1984, the Department of Land and Natural Resources has been ...
State of Hawaii. Department of Land and Natural Resources, Division of Water and Land Development
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Spatial-temporal Pattern Evolution of Ecological Land Use in Hebei Province [PDF]
E3S Web of Conferences, 2019 Ecological land use is an important component of ecosystem. This study presents spatial and temporal pattern evolution characteristics of ecological land for the period from 2009 to 2017, based on GIS technology and mathematical statistics.
Wang Qian, Li Jinlu, Liang Zhongya
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Substantiation of innovative aspects of the use of recreational resources in tourism in the context of sustainable development [PDF]
E3S Web of Conferences, 2021 The mechanism of recreational areas management is improved in this article based on the sustainable development, which means the interaction of components that in their dialectical unity provide a synergistic effect of their rational use and protection ...
Lazarieva Olena +4 more
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THE CORRELATION ANALYSIS OF SUBSIDENCE MONITORING BY D-INSAR AND THE CHANGE OF URBAN CONSTRUCTION LAND [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2017 The change of urban construction land affect the subsidence directly or indirectly, the method of D-InSAR has centimeter level or even millimeter accuracy that can provide a reliable and accurate data for the research of correlation analysis of ...
K. J. Yang +5 more
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Study on Potential Ecological Corridor Identification and Anthropogenic Disturbance for Black and White Snub-nosed Monkey [PDF]
E3S Web of ConferencesThe study on the connectivity among monkey groups is one of the critical issues in the conservation of the Black-and-white Snub-nosed Monkey (Rhinopithecus bieti, BWSM).
He Chunlan +5 more
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, 1977 Includes cartographic material, correspondence, images, and reports. Land determination of ownership, inquiry and notice, hearings, land claims and applications for registration of land parcel, Ponape.
Department of Resources and Development, Land and Survey
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