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Mine filling and tunneling method and ore crushing equipment
Free accessEuropean Patent Office | 2023| -
Photocatalytic proterties and mechanism of Si-BiVO~4 photocatalysts synthesized by wheat straw template and Si source
British Library Online Contents | 2015| -
Large-mining depth and long-span fully-mechanized top-coal caving face roof sandstone fracture water detecting and preventing method
Free accessEuropean Patent Office | 2015| -
Induction Motor Speed Control Based on Inverse System Theory and Sliding Mode Method
Free accessDOAJ | 2012| -
Closed circulating system using surface air cooler cold exchange to cool mine and working method thereof
Free accessEuropean Patent Office | 2020| -
Open circulation system capable of realizing mine cooling through cold accumulation by surface air cooler and working method of open circulation system
Free accessEuropean Patent Office | 2020| -
Closed circulation system for directly cooling mine through surface cooler and working method
Free accessEuropean Patent Office | 2020| -
Coal mine goaf gas control method based on ground horizontal well
Free accessEuropean Patent Office | 2015| -
Excavation and tunneling construction method for tunnel damping controlled blasting
Free accessEuropean Patent Office | 2020| -
Selective laser melting of an equiatomic CoCrFeMnNi high-entropy alloy: Processability, non-equilibrium microstructure and mechanical property
British Library Online Contents | 2018| -
Surface modification and stoichiometry control of Cu2O/SnO2 heterojunction solar cell by an ultrathin MgO tunneling layer
British Library Online Contents | 2019| -
Selective laser melting of an equiatomic CoCrFeMnNi high-entropy alloy: Processability, non-equilibrium microstructure and mechanical property
British Library Online Contents | 2018| -
Underwater simple control module applicable to shallow-water Christmas tree
Free accessEuropean Patent Office | 2020| -
Anchor rod drilling machine for vertical shaft supporting and shaft wall supporting device
Free accessEuropean Patent Office | 2022| -
An improved method for mapping tidal waterways based on remotely sensed waterlines: A case study in the Yellow River Delta, China
Taylor & Francis Verlag | 2020| -
Independent pile foundation type outer protective cover suitable for 50 m water-depth underwater production system
Free accessEuropean Patent Office | 2020| -
Semi-automatic slag removal device capable of normally tunneling along with shield
Free accessEuropean Patent Office | 2023| -
Construction method of wall protection system for narrow space in tunnel
Free accessEuropean Patent Office | 2021| -
Roof aquifer water disaster prevention and control process
Free accessEuropean Patent Office | 2023| -
Mechanical device for subsea wellhead Christmas tree operation
Free accessEuropean Patent Office | 2023| -
Machining process of high-performance adapter for drill stem
Free accessEuropean Patent Office | 2021| -
Gas explosion prevention and control system and method for offshore dense cluster wellhead platform
Free accessEuropean Patent Office | 2023| -
Underground nuclear power station smoke plume emergency treatment area structure and treatment method thereof
Free accessEuropean Patent Office | 2022| -
Electromagnetic wave well cementation parameter underground monitoring device
Free accessEuropean Patent Office | 2023| -
Long-and-large tunnel automatic control ventilation system and control method thereof
Free accessEuropean Patent Office | 2021| -
Study on the distortion of apparent resistivity curves caused by the ‘infinite’ electrode space of a Pole–Pole array and its correction
British Library Online Contents | 2015| -
Uranium ore in-situ leaching process plug removal simulation device
Free accessEuropean Patent Office | 2024| -
Underwater large-diameter steel cylinder open caisson wellhead protection device and implementation method thereof
Free accessEuropean Patent Office | 2021| -
Auxiliary system suitable for fast construction of advanced small tunnel guide pipe and construction method of auxiliary system
Free accessEuropean Patent Office | 2023| -
Grouting yielding anchor rod for constructing secondary support of broken coal rock and using method
Free accessEuropean Patent Office | 2024| -
Networked presplitting technology for high-position dirt band layer of extra-thick coal seam based on hydraulic fracturing
Free accessEuropean Patent Office | 2022| -
Advanced geological detection sensing and forecasting system based on long-distance horizontal directional drilling
Free accessEuropean Patent Office | 2023| -
Mud-water balance pipe jacking device for mud-rock-crossing refitted cutter head
Free accessEuropean Patent Office | 2021| -
Manual translation device for main control room of shield tunneling machine
Free accessEuropean Patent Office | 2022| -
Mud water system of underground mud water balance pipe jacking tunneling device
Free accessEuropean Patent Office | 2021| -
Bottom plate anchor cable high-strength anchoring method suitable for roadway bottom lifting operation
Free accessEuropean Patent Office | 2023| -
An improved regularized downward continuation of potential field data
Online Contents | 2014|Contributors: Niu, Chao -
Open pit coal mine slope coal pressing filling mining method and system
Free accessEuropean Patent Office | 2023| -
Construction method for cast-in-situ bored pile of assembly type casing drilling machine
Free accessEuropean Patent Office | 2023|
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