Results 261 to 270 of about 802,742 (356)

Reasonable drilling angle and technology application for pre-cracking thick-hard roofs before driving gob-side roadways in ultra-thick seams. [PDF]

Sci Rep
He F, Wu Y, Wang D, Zhang J, Tao K.
europepmc   +1 more source

Preservation Verus Private Rights: Mining in the National Parks and Forests [PDF]

, 1997
Hunt, Dean K, Kizer, Glenn G
core   +1 more source

Sinking peatlands: Optimal control of subsidence

American Journal of Agricultural Economics, EarlyView.
Abstract Land subsidence threatens the living conditions of about 1.2 billion people worldwide in deltaic regions characterized by soft top soil. Economic activity in these areas requires lowering groundwater levels to keep the land sufficiently dry, which leaves future generations worse off by accelerating subsidence and increasing future costs.
Suphi Sen, Dewy Verhoeven, Hans‐Peter Weikard   +2 more
wiley   +1 more source

Machine learning in predicting failures of buried water supply networks affected by mining impacts. [PDF]

Sci Rep
Chomacki L, Rusek J, Słowik L.
europepmc   +1 more source

Theoretical Prerequisites for the Creation of a Dynamic Model of the Process of Displacement of the Earth's Surface [PDF]

, 2017
Isakova, M. L., Nazarenko, V. A., Ponomarenko, Diana   +2 more
core  

Balancing bossism: State expansion in the face of elite capture

American Journal of Political Science, EarlyView.
Abstract Central states have often relied on local elites to implement policies in peripheral areas. These strategies may allow otherwise weak states to impose their directives, but they can also be inefficient, particularly when a single elite commands total control over local politics (monopolist capture).
Anna F. Callis, Christopher L. Carter
wiley   +1 more source

Multi-scale soil moisture dynamics in arid mined Loess Plateau arise from crack evolution and microstructure collapse. [PDF]

Sci Rep
Ma T, Tang F, Zhang F.
europepmc   +1 more source

The economic foundations of powersharing: Evidence from Africa

American Journal of Political Science, EarlyView.
Abstract How—and with whom—do rulers share power? Existing research focuses on the strategic logic of powersharing. In this paper, we analyze its economic foundations. Powersharing is modeled as a subnational fiscal contract, in which rulers allocate political representation based on constituencies’ revenue potential. Empirically, we combine historical
Yannick I. Pengl, Philip Roessler
wiley   +1 more source

Transformation of the Agrarian Landscape and Hope in the Central Kalimantan Peatlands

Asia Pacific Viewpoint, EarlyView.
ABSTRACT In Kalimantan, Indonesian Borneo, agrarian state programs and corporate strategies seek to transform indigenous Ngaju Dayak into sedentary farmers. Focusing on the notion of transformation, the paper traces whether and how rural people can engage in struggles against structural injustices.
Anu Lounela
wiley   +1 more source

Seismic reflection characteristics and genesis of goafs and underlying coal seams. [PDF]

Sci Rep
Shan R, Nie A, Cao X, Zou Y, Zhu W.
europepmc   +1 more source