Results 11 to 20 of about 68 (53)

The Intelligent Control System of the Freezing Station in Coal Mine Freezing Shaft Sinking

, 2014
In order to address the issue of low degree of automation and huge waste of electric energy of the equipment in drilling engineering freezing station which adopts the freezing method of coal mine, we need to design an intelligent control system to ...
Zheng, Xiaoliang, Chen, Zhaoquan, Hu, Yelin   +2 more
core   +2 more sources

Research and application progress of key technologies of drilling method for deep and thick water-bearing weakly cemented bedrock in western China

Meitan kexue jishu
The drilling method has been successfully applied in the shaft construction of deep water-bearing weak cemented bedrock in the west, which shows the development direction of less people, safety, green and intelligent well construction technology.
Hua CHENG, Zhishu YAO, Chuanxin RONG, Zongjin WANG, Jian ZHU, Longhui GUO, Xiaoyun WANG, Bao XIE   +7 more
doaj   +1 more source

Entwicklung pneumatischer Lade- und Fördersysteme für das konventionelle Schachtabteufen

, 2017
Shafts provide a vertical and an inclined connection from surface to underground working areas, e.g. for mining and tunnel construction operations.
Kratz, Thorsten
core   +1 more source

Miniaturized Bidirectional Thermal Stimulation System Integrated With an Electrode Array for Recording Neural Activities

Advanced Science, EarlyView.
This study presents a miniaturized bidirectional thermal stimulation system integrated with an electrode array enabling real‐time, bidirectional modulation and simultaneous recording of neural activity through localized heating and cooling. By monolithic integration of the Peltier element and with a silicon neural probe, the innovative system allows ...
Zoia Naumkina, Kanghwan Kim, Wesley Charles Smith, Keuntae Kim, Shinwoo Lee, Jiwan Woo, Il‐Joo Cho   +6 more
wiley   +1 more source

Pre‐Curved Everting Robots With Embedded Steering Intelligence Fabricated by CO2 Laser Welding

Advanced Intelligent Systems, EarlyView.
Design and experimental demonstration of a laser welded growing robot for anatomically guided navigation. The robot follows an aortic arch phantom entering the branchiocephalic branch through steering by design. The figure shows the physical phantom setup, CAD defined weld geometry and full robot eversion.
Brandon Saldarriaga, Panagiotis Kalozoumis, Panagiotis Vartholomeos, Carlo Seneci, Kawal Rhode, Christos Bergeles   +5 more
wiley   +1 more source

Calculation model of rock breaking force of milled-tooth roller cutters for shaft sinking by drilling methods in Jurassic strata of China's Western Region

Yantu gongcheng xuebao
This study addresses the issues of severe wear and low rock-breaking efficiency of shaft sinking by drilling methods in the Jurassic strata of Western China, focusing on milled-tooth roller cutter commonly used in this drilling method.
CHENG Hua 1, 2, WANG Xiaoyun 1, YAO Zhishu 1, ZHU Jian 3, RONG Chuanxin 1, FU Xinpeng 4
doaj   +1 more source

Semi‐analytical solution for the stability of deep vertical shaft considering time‐dependent rock‐structure interaction

Deep Underground Science and Engineering, EarlyView.
A novel cavity contraction solution and multilayer shaft wall model were developed to analyze deep shaft stability, considering rock viscosity, support structures, and water pressure, with successful validation through a Hulusu Coal Mine case study.
Bin Chen, Pinqiang Mo, Zhao Lu, Lianfei Kuang, Qiang Zhang, Abolfazl Eslami   +5 more
wiley   +1 more source

Theoretical Analysis of the Vertical Stability of a Floating and Sinking Drilled Wellbore Using Vertical Elastic Supports

Applied Sciences
This study addresses the calculation of vertical stability for shaft walls during floating and sinking processes in deep vertical shaft drilling in Western China.
Zhiwei Zhang, Hua Cheng, Xiaoyun Wang, Bao Xie, Mingrui Sun   +4 more
doaj   +1 more source

Development and preclinical evaluation of a hybrid stereoelectroencephalographic–laser depth electrode for magnetic resonance imaging‐guided interstitial thermal therapy in drug‐resistant epilepsy

Epilepsia, EarlyView.
Abstract Objective This study was undertaken to design and validate a hybrid depth electrode combining stereoelectroencephalographic (sEEG) recording and magnetic resonance‐guided laser interstitial thermal therapy (MRgLITT) under real‐time magnetic resonance thermometry, to streamline the transition from invasive localization to focal ablation in ...
Bertrand Mathon, Karima Mokhtari, Damien Galanaud, Alexandre Carpentier   +3 more
wiley   +1 more source

Określenie głębokości zamrażania górotworu dla potrzeb głębienia szybów w trudnych warunkach hydrogeologicznych i geotechnicznych

, 2014
Methods of determining the depth of rock mass freezing for the purpose of shaft sinking in solid rocks in difficult hydrogeological and geomechanical conditions are analyzed in this paper.
Duda, R.
core   +1 more source