Results 31 to 40 of about 346,856 (155)

A Chunk of Coal

open access: yesAnnals of Indian Psychiatry, 2022
Introduction: In December 2019, an outbreak of pneumonia of unknown origin was reported in Wuhan, Hubei Province, China and the World Health Organization declared it as a pandemic on 12 March 2020.
openaire   +2 more sources

Regional disparities in health and employment outcomes of China’s transition to a low-carbon electricity system

open access: yesEnvironmental Research: Energy
Understanding the costs and the spatial distribution of health and employment outcomes of low-carbon electricity pathways is critical to enable an equitable transition.
Haozhe Yang   +8 more
doaj   +1 more source

Assessment of Heavy Metal Contamination of Coal Deposits in Kogi State, Nigeria using Instrumental Neutron Activation Analysis [PDF]

open access: yesPhysics Access
In this study, the concentration of heavy metal contaminants in the coal samples from selected coal mining sites in Okobo, Odagbo, Ofugo and Opoko-Obido, within Kogi State, Nigeria were identified and determined using the Instrumental Neutron Activation ...
Felix O Uloko   +2 more
doaj   +1 more source

Porosity of coals and coal products [PDF]

open access: yes, 1978
Different experimental approaches for characterizing porosity of coals and coal products have been described. Results of densities, surface areas and pore volume distributions for coals of different rank and the manner in which they change upon heat treatment have been discussed.
Mahajan, O. P., Walker, Jr., P. L.
openaire   +3 more sources

Coal refinery

open access: yes, 1920
Coal refinery, Madrid, New ...
Albuquerque and Cerrillos Coal Company
core   +1 more source

Influence of coal macerals on carbonization process and sodium storage behavior

open access: yesMeitan xuebao
Coal has the advantages of low cost and rich aromatic structure, which makes it a high-quality precursor for the preparation of hard carbon anode materials for sodium-ion batteries.
Rundong HE   +3 more
doaj   +1 more source

Mechanical properties and damage constitutive model of coal under the coupled hydro-mechanical effect

open access: yesRock and Soil Mechanics, 2021
In order to explore the impact of moisture on the mechanical properties of coal, the triaxial compression tests of raw coal with different moisture contents are carried out by using the triaxial servo-controlled seepage equipment for thermal-hydro ...
LI Bo-bo   +5 more
doaj   +1 more source

A global platform for accelerating coal efficiency (PACE) [PDF]

open access: yes, 2014
The World Coal Association released this concept paper in December 2014 on establishing a Platform for Accelerating Coal Efficiency (PACE). The vision of PACE would be that for countries choosing to use coal, the most efficient power plant ...
World Coal Association
core  

Coal utilization study

open access: yes, 1988
"October, 1988."EXECUTIVE SUMMARY -- BASIS FOR THE STUDY -- THE KANSAS COAL MINING INDUSTRY -- UTILITY COAL MARKET IN KANSAS -- INDUSTRIAL COAL MARKET -- COMMERCIAL, RESIDENTIAL, EXPORT POTENTIAL -- COMPETITIVE ANALYSIS -- THE OUTLOOK FOR KANSAS COAL ...
J.E. Sinor Consultants, Inc.
core   +1 more source

Co-Combustion of Coal and Biomass: Heating Surface Slagging and Flue Gases

open access: yesFire
An experimental study was carried out on the ignition and combustion processes of particles (100–200 µm in size) of coals of different degrees of metamorphism and biomass, as well as mixtures based on them, under conditions of conductive and convective ...
Andrey Zhuikov   +4 more
doaj   +1 more source

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