Results 91 to 100 of about 4,711 (181)

Monitoring Burning Coal Gangue Dump Based on the 3-D Thermal Infrared Model

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Coal gangue is the byproduct of coal mining and preparation. Due to its susceptibility to spontaneous combustion, it causes significant environmental hazards when piled up in open dumps. The fire not only harms the environment but also poses health risks
Zhenlu Shao, Tong Yang, Rong Deng, Hongwen Shao   +3 more
doaj   +1 more source

Future space transport [PDF]

Prospects for the mastery of space and the basic problems which must be solved in developing systems for both manned and cargo spacecraft are examined. The achievements and flaws of rocket boosters are discussed as well as the use of reusable spacecraft.
Chekalin, S. V., Grishin, S. D.
core   +1 more source

Bye bye, GI: The impact of the US military drawdown on local German labor markets [PDF]

, 2012
What is the impact of a local negative demand shock on local labor markets? We exploit the unique natural experiment provided by the drawdown of U.S. military forces in West Germany after the end of the Cold War to investigate this question.
aus dem Moore, Jan Peter, Spitz-Oener, Alexandra   +1 more
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Surface Deformation Characteristics and Damage Mechanisms of Repeated Mining in Loess Gully Areas: An Integrated Monitoring and Simulation Approach

Applied Sciences
The repeated extraction of coal seams in the Loess Plateau mining region has greatly increased the severity of surface deformation and associated damage.
Junlei Xue, Fuquan Tang, Zhenghua Tian, Yu Su, Qian Yang, Chao Zhu, Jiawei Yi   +6 more
doaj   +1 more source

Seamless aboveground-underground positioning for coal mine driverless vehicles based on ESKF and improved IMM algorithm

Meitan xuebao
With the continuous promotion of intelligent construction in coal mines in China, the development of mine auxiliary transportation vehicles towards unmanned driving has become an inevitable trend.
Kai WANG, Jiusheng BAO, Yuhan LYU, Xiaoming YUAN, Yan YIN, Maosen WANG, Kekun ZHANG, Shirong GE   +7 more
doaj   +1 more source

NASA patent abstracts bibliography: A continuing bibliography. Section 1: Abstracts (supplement 14) [PDF]

s are cited for 213 patents and applications for patent introduced into the NASA scientific and technical information system during the period of July 1978 through December 1978.

core   +1 more source

Oceanus. [PDF]

, 1982
v. 25, no.
Woods Hole Oceanographic Institution.
core   +1 more source

Progress and prospect of surface self-cleaning technology of machine vision system in underground mining

Meitan xuebao
Machine vision system in underground mining has the function of information collection and intelligent decision-making in coal mine intelligenc, but it is affected by coal dust, water mist and light, which leads to unstable image quality and affects the ...
Shengli YANG, Yongsheng CHEN, Jiachen WANG, Lianghui LI, Fengqi LIU, Shixiong SONG, Dingheng HUI   +6 more
doaj   +1 more source

Literature review of the remote sensing of natural resources [PDF]

s of 596 documents related to remote sensors or the remote sensing of natural resources by satellite, aircraft, or ground-based stations are presented.
Fears, C. B., Inglis, M. H.
core   +1 more source

Green growth, technology and innovation [PDF]

The paper explores existing patterns of green innovation and presents an overview of green innovation policies for developing countries. The key findings from the empirical analysis are: (1) frontier green innovations are concentrated in high-income ...
Dutz, Mark A., Sharma, Siddharth
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