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The unseen invaders: Tracking phylogeographic dynamics and genetic diversity of cryptic <i>Pomacea canaliculata</i> and <i>P. maculata</i> (Golden apple snails) across Taiwan. [PDF]

open access: yesEcol Evol
The Invasion of Golden apple snails (Pomacea spp.), has caused significant ecological and economic damage across Taiwan. Our study focuses on the understanding of genetic diversity, distribution, and path of invasion of these snails across the Taiwan to aid improved mitigation approaches.
Banerjee P   +7 more
europepmc   +2 more sources

Collapsed column identification model based on K-means SMOTE and random forest algorithm

open access: yesMeikuang Anquan, 2023
In order to overcome the problem of multiple solutions and uncertainties in the identification of collapsed columns with a single seismic attribute and the problem of identification accuracy shift caused by unbalanced sample data, a binary ...
HAO Shuai, WANG Huaixiu, LIU Zuiliang
doaj   +1 more source

Study of coal dust pollution law of parallel belt conveyor running system in coal processing plant

open access: yesMeikuang Anquan, 2023
In order to solve the dust pollution problem of the parallel belt conveyor running system of the coal processing plant, a numerical model of the parallel belt conveyor running system of Huangyuchuan coal processing plant was established using the k-ε ...
JING Deji   +3 more
doaj   +1 more source

Numerical simulation of dust removal effect of long pressure and short drainage in coal roadway tunneling with variable angle fresh air flow

open access: yesMeikuang Anquan, 2023
Conventional long distance forced and short distance exhausted ventilation system create vortexes at the head, which increases the further dust accumulation and circulation.
XIAO Yang   +5 more
doaj   +1 more source

Analysis and optimization of coal spontaneous combustion index system

open access: yesMeikuang Anquan, 2023
In order to more accurately predict the development process of coal spontaneous combustion and take effective preventive measures in time, we used a self-developed temperature-programming experimental device, took fresh coal samples from Qingshuiying in ...
YI Xin, ZHANG Min, DENG Jun
doaj   +1 more source

Study on sweet layers evaluation method for coal measures gas joint development

open access: yesMeikuang Anquan, 2023
This paper selects the main geological factors that affect the coal measure gas (CMG) development, and adopts a multi-level fuzzy mathematical method to construct a sweet layer evaluation system.
YANG Zongnan   +5 more
doaj   +1 more source

Influence of chemical structure of coal measure rock on gas adsorption performance

open access: yesMeikuang Anquan, 2023
In order to study the influence of the chemical structure of coal measure rock on the gas adsorption performance, taking the coal and rock samples of Shaqu No.1 Mine as the research object, the structure of coal and rock was analyzed from the microscopic
ZHANG Junhu   +7 more
doaj   +1 more source

Modeling of rock massif in the Jama Bor with special focus on the previous explorations of the ore body 'Borska Reka' [PDF]

open access: yesMining and Metallurgy Engineering Bor, 2014
Research the stability of underground structures that are almost done, can be divided into the frameworks of theoretical processing, basic laboratory analyses and information on previous experiences in the exploitation of deep deposits and, as such, they
Zlatanović Dragan   +3 more
doaj   +1 more source

The impact of polluted wastewater on water quality of the Bor River and surrounding groundwater [PDF]

open access: yesMining and Metallurgy Engineering Bor, 2014
Due to the immediate vicinity of the mining and industrial facilities, the water pollution in the Bor River is extremely high. Sources of the Bor River pollution are active and inactive mining operations (surface and underground), flotation tailing dumps,
Marinković Vladan   +3 more
doaj   +1 more source

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