Results 61 to 70 of about 346,667 (337)

Using Material Flow Analysis to Identifying Global and Regional Opportunities for Zinc Circularity

open access: yesJournal of Advanced Manufacturing and Processing, EarlyView.
ABSTRACT Today's sustainable development challenges are increasingly complex. Circularity, climate change, criticality, and the availability of raw materials at national through global scales are among the most dominant. Material Flow Analysis (MFA) has traditionally been used by industry sectors to identify impact opportunities and challenges ...
Sabina Grund   +2 more
wiley   +1 more source

Test study on impact resistance of hydraulic support based on energy-absorbing material

open access: yesMeikuang Anquan
The application of energy-absorbing material on the top beam of the hydraulic support can effectively improve its impact resistance under instantaneous dynamic loading.
Shiwei LI   +5 more
doaj   +1 more source

RECLAMATION POTENTIAL OF ROBINIA PSEUDOACACIA L. ON MINING ROCK WITHIN STEPPE ZONE OF UKRAINE [PDF]

open access: yes, 2018
Western Donbass is a powerful coal-mining region in the Steppe zone of Ukraine. In this region, large areas are damaged by coal mining. The mine rocks spread all over the coal district of Dnipropetrovsk region often contain toxic inorganic ...
Sytnyk, Svitlana
core  

Future energy [PDF]

open access: yes, 2010
Energy resources have been a major focus for BGS over our 175 year history. In the past, our geologists searched for coal to keep the UK supplied with energy crucial for economic development.
Busby, Jon   +8 more
core   +1 more source

Impact of Fiber Morphology and Content on the Thermal Stability, and Mechanical Performance of Maple Wood Fiber‐Polypropylene Composites

open access: yesJournal of Applied Polymer Science, EarlyView.
ABSTRACT In recent years, natural‐fiber‐reinforced polymers have gained significant attention due to their sustainability and enhanced properties. This study used Canadian maple wood fiber as reinforcement in a polypropylene (PP). Fiber length and fiber content are known as key factors affecting the properties of the composites.
Farshid Basiji   +4 more
wiley   +1 more source

STUDYING THE POSSIBILITY OF USING RED-BROWN CLAY FOR RECLAMATION OF COAL WASTE DUMPS [PDF]

open access: yes, 2018
The coal mining industry, as the source of the main fuel resource and the main energy resource, has particular importance for Ukraine.
Heilmeier, Hermann   +1 more
core  

Coal Mining Machinery Development As An Ecological Factor Of Progressive Technologies Implementation [PDF]

open access: yes, 2017
At present, a significant amount of energy spent for the work of mining machines and coal mining equipment on coal mines and open pits goes to the coal grinding in the process of its extraction in mining faces.
Efremenkov, Andrey Borisovich   +3 more
core   +1 more source

Practical Coal Mining [PDF]

open access: yesNature, 1901
IN the vigorous outburst of technical literature that the last few years have witnessed, the subject of mining has not been forgotten, and the student of this subject has his choice of a fair number of works of a high degree of merit, amongst which those published by Messrs. Griffin and Co. take foremost rank. It was therefore to be expected that a new
openaire   +3 more sources

Carrageenan‐Based Hydrogels for High‐Capacity Sorption of Transition Metals

open access: yesJournal of Applied Polymer Science, EarlyView.
ABSTRACT Transition metals are among the main pollutants found in industrial wastewater and can be removed by adsorbing them on biological supports. The treatment of aqueous solutions containing lanthanides and other representative transition metal ions by adsorption, using polysaccharide hydrogel beads of kappa (K) and iota (I) from the carrageenan ...
Oshrat Levy‐Ontman   +3 more
wiley   +1 more source

Numerical analysis on the factors affecting post-peak characteristics of coal under uniaxial compression

open access: yesInternational Journal of Coal Science & Technology
The post-peak characteristics of coal serve as a direct reflection of its failure process and are essential parameters for evaluating brittleness and bursting liability.
Zhiguo Lu   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy