Results 21 to 30 of about 15,709,891 (294)

Experimental Study on Deashing of High Ash and Refractory Coal Slime by Classification Flotation

Kuangchan zonghe liyong, 2022
Aiming at a certain coal slime in Guizhou, the yield rate of -0.074mm class is 54.19%, the ash content is 40.55%, the yield rate of -0.045 mm class is 40.38%, the ash content is 40.79%, and contains a lot of pearl clay, Clay minerals such as kaolinite ...
Tianshen Lu, Zhengbin Deng, Zhihong Liu, Wei Cheng   +3 more
doaj   +1 more source

Stability prediction for soil-rock mixture slopes based on a novel ensemble learning model

Frontiers in Earth Science, 2023
Soil-rock mixtures are geological materials with complex physical and mechanical properties. Therefore, the stability prediction of soil-rock mixture slopes using machine learning methods is an important topic in the field of geological engineering. This
Xiaodi Fu, Xiaodi Fu, Xiaodi Fu, Bo Zhang, Bo Zhang, Bo Zhang, Linjun Wang, Linjun Wang, Yong Wei, Yong Wei, Yong Wei, Yangyang Leng, Yangyang Leng, Jie Dang, Jie Dang   +14 more
doaj   +1 more source

Iron Removal from a High-lithium Coal Fly Ash by Magnetic Separation

Kuangchan zonghe liyong, 2023
This is an essay in the field of mineral processing engineering. In this study, coal fly ash from a power plant in Guizhou was used as the research object.
Jingkun Zang, Wei Cheng, Xueling Pan
doaj   +1 more source

Sustainable Agricultural Development Models of the Ecologically Vulnerable Karst Areas in Southeast Yunnan from the Perspective of Human–Earth Areal System

Land, 2022
Rocky desertification in ecologically-fragile karst areas limit regional socio-economic development in the face of significant human–earth conflict.
Xiaoqing Zhao, Yifei Xu, Qian Wang, Jun-Wei Pu, Xiao-Qian Shi, Pei Huang, Ze-Xian Gu   +6 more
semanticscholar   +1 more source

Distribution Characteristics and Risk Assessment of Heavy Metals in Soils of the Typical Karst and Non-Karst Areas

Land, 2022
To investigate the distribution characteristics and hazard levels of eight heavy metals (As, Cd, Cr, Cu, Hg, Ni, Pb, Zn) in karst soil with a high geological background of heavy metals, 32 and 40 surface soil samples were collected from limestone and ...
Wei-jiang Li, Tong Zhu, H. Yang, Chunlai Zhang, X. Zou   +4 more
semanticscholar   +1 more source

Paraphlomis leigongshanensis (Lamiaceae), a new species from Guizhou, China [PDF]

PhytoKeys
Paraphlomis leigongshanensis G.B. Jiang & W.H. Yao (Lamiaceae), a new species endemic to Leigong Mountain National Nature Reserve (Guizhou, China), is described and illustrated. Morphologically, it is most similar to P.
Wei-Hao Yao, Guo-Bin Jiang, De-Hui Yu, Sheng Chen, Hong-Mei Chen, Li Dai, Bai-Qiu He, He Li   +7 more
doaj   +3 more sources

Temporal Variation of Soil Moisture and Its Influencing Factors in Karst Areas of Southwest China from 1982 to 2015

Water, 2022
Climate change and human activities are two dominating factors affecting soil moisture temporal variation trends, whereas their individual contributions to soil moisture trends still remain uncertain in the karst areas of Southwest China.
Xiao-Cha Wei, Ji-Xi Gao, Sihan Liu, Qiu-Wen Zhou   +3 more
semanticscholar   +1 more source

The Effect of Bedrock Differences on Plant Water Use Strategies in Typical Karst Areas of Southwest China

Land, 2022
Moisture conditions are important ecological factors limiting plant growth in karst areas. In karst areas, because bedrock exposure and permeability are significant and soils are dispersed—without spatial continuity—and shallow, the water storage ...
Jing Ning, Xiang Liu, Xia Wu, H. Yang, Jie Ma, Jianhua Cao   +5 more
semanticscholar   +1 more source

Ectomycorrhizal and arbuscular mycorrhizal fungi associated with aspen (Populus tremuloides) roots yielded from Illumina sequencing

, 2021
On August 24, 2019, Justine Karst and Nadir Erbilgin sampled a 30–50 cm segment of root from each of three aspen trees within each plot at the interface of the humus layer of the forest floor and mineral soil.
Karst, Justine
core   +1 more source

Soil stoichiometric characteristics and influencing factors in karst forests at microtopography and microhabitat scales [PDF]

SOIL
To quantitatively assess soil stoichiometric characteristics in karst forests under complex microenvironments, this study systematically investigated the distribution patterns of soil nutrients and influencing factors across different microtopography and
Y. Dang, Y. Dang, Y. Dang, H. Zhou, H. Zhou, W. Zhao, W. Zhao, Y. Cui, Y. Cui, C. Tan, F. Ding, F. Ding, Y. Wang, R. Liu, P. Wu, P. Wu   +15 more
doaj   +1 more source