Results 51 to 60 of about 10,581 (221)

Effect of Cation Valence and Flocculation Method on the Coal Slurry Sedimentation Mechanism

open access: yesKuangchan zonghe liyong
[Objective]In order to clarify the characteristics of coal slime in Zhuneng Coal Preparation Plant from the perspectives of technology and environment, the coagulation/flocculation behavior characteristics of coal slime water in Zhuneng Coal Preparation ...
Liwei ZHANG   +3 more
doaj   +1 more source

Bacterial Ecology of Strip Mine Areas and Its Relationship to the Production of Acidic Mine Drainage [PDF]

open access: yes, 1975
Author Institution: Department of Microbiology, The Ohio State UniversityDUGAN, PATRICK R. Bacterial ecology of strip mine areas and its relationship to the production of acidic mine drainage. Ohio J. Sci.
Dugan, Patrick R.
core  

Bad Water 2009: The Impact on Human Health in the Chesapeake Bay Region [PDF]

open access: yes, 2009
The report links pollution to human health risks and calls on the federal Environmental Protection Agency (EPA) to act now to reduce that pollution and the potential threats to human ...
Tom Pelton
core   +1 more source

“It Looks as if They Threw the Entire Periodic Table Into the River”: A Decolonial Perspective for Chemistry Education in the Context of Environmental Injustices

open access: yesScience Education, Volume 109, Issue 6, Page 1652-1668, November 2025.
ABSTRACT In this article I explore the case of the Mariana dam disaster in 2015 in Brazil seeking to contribute to reflections about the role of chemistry and chemistry education in environmental injustices. Drawing on stories about this disaster shared in the Dead River Podcast (2024), on wider literature and on other cases of environmental injustices
Haira E. Gandolfi
wiley   +1 more source

Распределение классов крупности при гидрогрохочении рядового угля [PDF]

open access: yes, 2017
Узагальнено досвід роботи технологічної операції «Мокре підготовче грохотіння вугіл-ля». Визначені показники вилучення класів крупності в підситний продукт гідрогрохотів та усередненні значення вологості надситних продуктів.
Полулях, А.Д.   +3 more
core  

Development and exploitation features of methane-coal wells using downhole pumping equipment [PDF]

open access: yes, 2016
In this article extraction of methane from coal beds is presented. The article presents results of the study of downhole pumping equipment used in the exploitation of coal bed methane wells.
Chernykh, Tatyana   +2 more
core   +1 more source

Study on Flotation of Low-rank Coal Slime with Binary Mixed Collector

open access: yesKuangchan zonghe liyong
In order to improve the collection performance of diesel on low-rank slime flotation, the binary mixed collector prepared by compounding diesel and oleic acid was used as the collector for low-rank slime flotation in this study.
Cheng GAN   +5 more
doaj   +1 more source

A Statistical Study of the Parasite of the Unionidae [PDF]

open access: yes, 1899
The studies on the quantitative occurrence of parasites in different species of the Unlonirke which form the basis of the present paper were made at the Illinois Biological Station, at Havana, early in the summers of 1896 and 1897 and continued both ...
Kelly, H.M.
core  

Integrating Adaptive Capacity Alters Outcomes When Modelling Effects of Warming on a Cold‐Water Fish in a Sub‐Arctic Ecosystem

open access: yesDiversity and Distributions, Volume 31, Issue 10, October 2025.
ABSTRACT Aim Local species distributions are often geographically restricted to a subset of environmental conditions across a species' full range, complicating forecasting climate warming effects. However, Bayesian species distribution models (SDM) can leverage geographically restricted datasets with broader knowledge of habitat relationships across ...
Neil J. Mochnacz   +3 more
wiley   +1 more source

Framework and key technologies of intelligent coal preparation plant

open access: yesGong-kuang zidonghua, 2019
According to connotation of intelligent coal preparation plant, framework of intelligent coal preparation plant was introduced from aspects of Internet of things layer, control layer, management layer and decision-making layer.
WANG Ranfeng, GAO Jianchuan, FU Xiang
doaj   +1 more source

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