Results 91 to 100 of about 13,666 (200)

Idea of whole design of unmanned fully-mechanized coal mining face and its implementation method

open access: yesGong-kuang zidonghua, 2013
Unmanned or lee-manned fully-mechanized coal mining face is a core topic about coal mine safety. A view was pointed out that automatic coal mining should be pondered on from the whole fully-mechanized system, and fully-mechanized equipments should be ...
FU Guo-jun, YANG Ming-liang, XU Tai-shan
doaj  

Research on evaluation of overall three-dimensional spatial straightness of fully mechanized mining face

open access: yesGong-kuang zidonghua
The existing straightness evaluation methods for fully mechanized mining faces adopt planar straightness, describing straightness through information from a single piece of equipment such as a hydraulic support or a scraper conveyor, without considering ...
LIU Kun   +5 more
doaj   +1 more source

English for Study and Work: Coursebook in 4 books. Book 2 Obtaining and Processing Information for Specific Purposes [PDF]

open access: yes, 2015
Подано всі види діяльності студентів з вивчення англійської мови, спрямовані на розвиток мовної поведінки, необхідної для ефективного спілкування в академічному та професійному середовищах.
Зуенок, И. И.   +15 more
core  

Research on Speech Denoising Algorithm for Equipment Trains in Fully Mechanized Mining Working Faces based on CEEMDAN High and Low Frequency Filtering

open access: yesFrontiers in Computing and Intelligent Systems
This paper proposes a high and low frequency filtering denoising algorithm based on Complete Ensemble Empirical Mode Decomposition with Adaptive Noise (CEEMDAN). CEEMDAN to address the issue of noise in speech signals obtained in the environment of fully mechanized mining face equipment trains.
Hanhan Wu, Rongpeng He, Tao Dou
openaire   +1 more source

Special Libraries, December 1961 [PDF]

open access: yes, 1960
Volume 52, Issue 10https://scholarworks.sjsu.edu/sla_sl_1961/1009/thumbnail ...
Special Libraries Association
core   +3 more sources

Design of embedded monitoring and control platform of conveyor equipment of fully mechanized coal face of coal mine

open access: yesGong-kuang zidonghua, 2014
For problems of complex hardware structure, high cost, oversized and non-ideal heat dissipation existed in current domestic monitoring and control system of conveyor equipment of fully mechanized coal face of coal mine, a design scheme of monitoring and control platform of conveyor equipment of fully mechanized coal face based on embedded technology ...
DU Yan   +4 more
openaire   +1 more source

The 19th entury iron architecture of industrial buildings. A formal and constructive comparison between two case studies [PDF]

open access: yes, 2018
The paper analyzes the features of the 19th century industrial architecture and the application of metallic structures combined with formal and architectural expressions that frequently concealed or mitigated their presence.
Bosch González, Montserrat   +1 more
core  

Applicability of siberian placer mining technology to Alaska [PDF]

open access: yes, 1991
The result of Perestroyka and Glasnost has been an awakening of potential for cooperation between East and West. Nowhere has that been better demonstrated than between Alaska and Magadan Province, USSR. This report summarizes a one year effort financed
Barker, J.C.   +3 more
core  

Review on application of fully-mechanized mining equipment technologies based on digital twin

open access: yesMeitan kexue jishu
Advancing the intelligent development of mines is a crucial pathway to enhance the safety, efficiency, and green development of the coal industry. As a new-generation information technology, digital twin technology provides important support for the ...
Ying TIAN   +5 more
doaj   +1 more source

Services Trade Negotiations in the Doha Round : Opportunities and Risks for Pakistan [PDF]

open access: yes
This paper seeks to examine how locking-in of Pakistans unilateral liberalization at the WTO/GATS and further liberalization of services trade would affect Pakistans competitiveness.
Abid A. Burki, S.M. Turab Hussain
core   +1 more source

Home - About - Disclaimer - Privacy