Results 41 to 50 of about 1,123,828 (350)
Applied SciencesIn order to solve the problem of the low end positioning accuracy of large hydraulic rock drilling robotic arms due to machining error and the working environment, this paper proposes an end positioning error compensation method based on an Improved ...
Qiaoyu Xu +3 more
semanticscholar +1 more source
Experimental study of the thermal reaming of the borehole by axial plasmatron [PDF]
, 2019 Purpose. To study rock spallation dynamics in the process of the borehole thermal reaming and analyze energy consumption of the borehole thermal reaming process by plasma jets of the axial plasmatron. Methods. Field experimental study of rock spallation
Dhunnoo, N +6 more
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A New Method for Determining the Spatial Distribution Law of Rock Anti-Drilling Characteristics
Shiyou jixie, 2021 When the existing method for determining the distribution laws of rock anti-drilling characteristics is adopted, the rock anti-drilling characteristics at the same depth are not distributed continuously and the spatial distribution laws of rock anti ...
Hu Pengjie +5 more
doaj
An Engineered Living Material With Pro‐Angiogenic Activity Inducible by Near‐Infrared Light
Advanced Functional Materials, EarlyView.NIR‐responsive engineered living materials (ELMs) for controlled angiogenesis: Near‐infrared (800 nm) light activates engineered probiotic bacteria within alginate‐based living materials to secrete a blood vessel‐regenerating protein. The released protein promotes pro‐angiogenic effects in endothelial networks and chick chorioallantoic membranes.
Anwesha Chatterjee +4 more
wiley +1 more source
Shipin yu jixieObjectiveTo investigate the accurate positioning and error compensation model of pneumatic actuators in food sorting machinery, and to improve positioning accuracy and dynamic response.MethodsThe effects of cylinder diameter, position sensor resolution ...
WANG Jianzu
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Aspects of energy requirements for rock drilling [PDF]
, 1974 Development of laboratory rock breakage techniques to relate energy and surface area produced by slow compression, drop hammer and stamp mill. A detailed study of laboratory rotary-percussive drilling in a wide range of rocks under different ...
Wootton, David
core
State Dependent Delayed Drill-string Vibration : Theory, Experiments and New Model [PDF]
, 2017 L.J. Pei would like to acknowledge NNSF of China (No.
Kapitaniak, Marcin Tomasz +4 more
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Advanced Functional Materials, EarlyView.Interphase chemistry governs the stability of multivalent metal batteries. We summarize state‐of‐the‐art developments in calcium and magnesium metal batteries by focusing on the correlation among electrolytes, interphase layers, and the electrochemical performance of corresponding metal anodes.
Huijun Lin +4 more
wiley +1 more source
Advanced Functional Materials, EarlyView.This paper presents a digital microfluidics‐based technique for transferring and reconfiguring soft nanomembranes. Laser‐machined nanothin membranes are picked up, transported, and aligned via tailored surface tension and the actuation of water droplets, enabling the development of flexible electronics, the integration of functional materials on 3D ...
Quang Anh Nguyen +15 more
wiley +1 more source
Yantu gongcheng xuebao, 2020 In order to improve the rock-breaking efficiency of raising boring cutters under hard brittle rock, it is necessary to obtain the optimal drilling pressure. The analysis of the size of rock ballast is an important means. The cone-tipped cutter is used to
TAN Hao 1, 2, JI Hong-guang 1, ZENG Zhi-yuan 3, LIU Zhi-qiang 2
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