Results 51 to 60 of about 864,674 (267)
Simulation of material flow using vertical transport by a double-action mine hoist
Acta Simulatio, 2022 Vertical transport with the help of mining hoisting equipment in the deep mining of mineral raw materials is an essential part of the entire complex of intra-company transport at every mining plant.
J. Saderova +4 more
semanticscholar +1 more source
A Study of the Accuracy of a 3D Indoor Camera for Industrial Archaeology Applications
Heritage, 2023 The paper aims to study the geometrical quality and opportunities of the state-of-the-art 3D camera Matterport Pro and examine its potential for industrial archaeology applications. The presented study consisted of two steps.
Roman Shults +7 more
doaj +1 more source
UIE-Based Relational Extraction Task for Mine Hoist Fault Data
ACM Trans. Asian Low Resour. Lang. Inf. Process.Information extraction is pivotal in natural language processing, where the goal is to convert unstructured text into structured information. A significant challenge in this domain is the diversity and specific needs of various processing tasks ...
Xiao-Chao Dang +5 more
semanticscholar +1 more source
Modeling of induction motor drive of a mine hoist on the basis of a doubly-fed electric machine
E3S Web of Conferences, 2021 One of the options for the modernization of existing hoist electric drives with a wound-rotor induction motor is its starting according to the scheme of a doubly-fed machine. For this purpose, a frequency converter with an adjustable amplitude, frequency
V. Ostrovlyanchik +3 more
semanticscholar +1 more source
Equine Veterinary Journal, EarlyView.Abstract Background Intraoperative haemorrhage during equine anaesthesia is a rare but potentially fatal complication requiring prompt haemodynamic support. Postural manoeuvres such as Trendelenburg (TL) positioning and vasopressor support augment venous return and improve cardiac output (CO), yet their efficacy in anaesthetised hypovolemic horses ...
Vaidehi V. Paranjape +3 more
wiley +1 more source
Equine Veterinary Journal, EarlyView.Abstract Background FLow‐controlled EXpiration (FLEX) has been shown to significantly enhance oxygenation in horses under clinical and experimental conditions. Objectives To compare pulmonary gas exchange during early recovery following general anaesthesia in horses ventilated with FLEX compared with conventional intermittent positive pressure ...
Allison Mika +6 more
wiley +1 more source
A method for bearing fault diagnosis of mine hoist using convolutional attention autoencoder
, 2021 In view of the complex environment and frequent faults in the actual operation of mine hoist, a fault diagnosis method based on Convolution Attention Autoencoder (CAAE) is proposed through theoretical analysis and experimental verification to improve ...
J. Zhang +3 more
semanticscholar +1 more source
InfoMat, EarlyView.Layer‐controlled two‐dimensional perylene‐derivative molecular crystals grow by van der Waals vapor‐phase epitaxy and show near‐unity photoluminescence quantum yields. In hybrid structures with TMDCs, the carrier relaxation can be tuned from charge transfer to Förster resonance energy transfer.
Huijuan Zhao +12 more
wiley +1 more source
, 2022 Date scanned: 2002-05-16.USBM #57891; Cage hoist (Nordberg) at the Sherwood Mine, Inland Steel Company, Iron River, Iron County, Michigan. Driven by a 350 h.p. 2,200-volt induction motor and operating to a depth of 1,286 feet. Dec. 1944 / Max S. Petersen.
Petersen, Max S.
core
International Journal of Mechanical System Dynamics, EarlyView.ABSTRACT Classical Zero Vibration (ZV) and Zero Vibration and Derivative (ZVD) input shapers are designed around a fixed nominal natural frequency and cannot accommodate the time‐varying dynamics introduced when an overhead crane simultaneously travels and hoists a payload.
Mohammad Alfares, Khaled Alhazza
wiley +1 more source