Results 91 to 100 of about 34,263 (308)

Dangerous calling, the life-and-death matter of safety at sea: a collection of articles from SAMUDRA Report [PDF]

open access: yes, 2003
Fishing is arguably the world's most dangerous vocation, reporting the highest rate of occupational fatalities among industries, made only worse by declining fish prices, overfished waters and shortened fishing seasons.

core  

Comparison study of U+L and Y+L working face ventilation patterns on gas control in a highly gassy mine [PDF]

open access: yes, 2015
A mine ventilation system is an important component of an underground mining system. We all know that the ventilation system design plays an important role in highly gassy mines, and the ventilation pattern is the primary factor in gob gas control in ...
Chen, Kal-yan   +3 more
core   +3 more sources

Similar Material Simulation Study on Dam Movement and Deformation Law of Deep Coal Seam Mining Under Dam

open access: yesEnergy Science &Engineering, EarlyView.
Aiming at the difficulties in accurately calculating the movement and deformation of small‐sized, deep‐buried dams with a significant height‐to‐depth ratio in deep fully mechanized caving mining, this study proposes to separate the analysis of surface and dam deformation.
Zhang Feng   +7 more
wiley   +1 more source

Control Mechanism and Support Technology of Soft Coal Roadway in the Fully Mechanized Mining Work Face

open access: yesGeo-Resources Environment and Engineering, 2017
Aiming at characteristics of the soft coal roadway engineering geology and deformation, the exposure research of the soft coal seam, theoretical analysis, numerical calculation and program design were carried out. First of all, according to the disclosure, soft coal seam engineering characteristics and geological conditions in Xinxing coal mine were ...
Genshui Wu   +3 more
openaire   +2 more sources

Consumer credit in comparative perspective [PDF]

open access: yes, 2018
We review the literature in sociology and related fields on the fast global growth of consumer credit and debt and the possible explanations for this expansion.
Aalbers MB   +48 more
core   +1 more source

Research on the Laws of Destructive Patterns and Control Measures of Overlying Rock in High‐Efficiency Large‐Scale Mining Faces

open access: yesEnergy Science &Engineering, EarlyView.
With the advancement of coal mining technology driving the development of working faces toward increased mining heights and extended lengths, the enlargement of face dimensions has led to expanded overlying strata failure zones and intensified ground pressure manifestations. Consequently, traditional methods for determining hydraulic support resistance
Chen Gong   +5 more
wiley   +1 more source

Method for calculation of drilling-and-blasting operations parameters for emulsion explosives [PDF]

open access: yes, 2019
Purpose. Development of a new method for calculation of drilling-and-blasting operations parameters during underground mining with application of emulsion explosives taking into account their energy characteristics as well as physical and mechanical ...
Khomenko, O   +3 more
core   +1 more source

The Impacts, Mechanisms, and Patterns of China Rural Collective Economic Development With Common Prosperity for All

open access: yesInternational Studies of Economics, EarlyView.
ABSTRACT As a fundamental tenet of socialism with Chinese characteristics, pursuing common prosperity for all entails reducing urban‐rural disparities while simultaneously increasing rural household income. This study utilizes interview and survey data from the “Chinese Thousand Villages Survey” conducted by the Shanghai University of Finance and ...
Qingen Gai   +3 more
wiley   +1 more source

RESEARCH OF THE APPLICATION OF COMBINED ANCHOR SYSTEMS FOR THE MAINTENANCE OF RE-USED MINING WORKINGS [PDF]

open access: yes, 2018
Study the possibility of developing the technical and technological justification of combined anchor systems for the maintenance of re-used mining workings in economic effective ...
BONDARENKO, Volodymyr   +9 more
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