Results 111 to 120 of about 7,909 (215)

Post Viking planetary protection requirements study [PDF]

Past planetary quarantine requirements were reviewed in the light of present Viking data to determine the steps necessary to prevent contamination of the Martian surface on future missions.
Wolfson, R. P.
core   +1 more source

Multi-Source Fusion CNN-RF Framework for Intelligent Fault Diagnosis of Head Sheave Devices in Mining Hoists

Machines
Accurate fault diagnosis of mining hoisting head sheave systems is critical for ensuring operational safety in harsh underground environments. This study proposes a multi-source fault diagnosis framework that fuses vibration and acoustic information ...
Chi Ma, Jian Fei, Zhiyuan Shi, Md Abdur Rob, Md Ashraful Islam, Md Habibullah   +5 more
doaj   +1 more source

Study on Heat Dissipation of Reduction Gearbox of a Hoisting Mechanism in Stopped State

Jixie chuandong, 2016
The shore bridge reducer in the lifting mechanism often emit heat because of continuous operation and high load,if improper heat dissipation will greatly reduce its life.
Gao Chunhui, Hu Xiong
doaj  

Rotor systems research aircraft predesign study. Volume 4: Preliminary draft detail specification [PDF]

The RSRA requirements are presented in a detail specification format. Coverage of the requirements includes the following headings: (1) aircraft characteristics, (2) general features of design and construction, (3) aerodynamics, (4) structural design ...
Linden, A. W., Miller, A. N.
core   +1 more source

Cable compliance [PDF]

The object of the investigation was to solve mechanical problems using cable-in-bending and cable-in-torsion. These problems included robotic contacts, targets, and controls using cable compliance. Studies continued in the use of cable compliance for the
Burkhardt, R., Eklund, W., Kerley, J., Rossoni, P.   +3 more
core   +1 more source

Analyzing Construction Workers' Unsafe Behaviors in Hoisting Operations of Prefabricated Buildings Using HAZOP. [PDF]

Int J Environ Res Public Health, 2022
Zhu L, Ma H, Huang Y, Liu X, Xu X, Shi Z.   +5 more
europepmc   +1 more source

Mechanical Simulation of Multi-rope Hoisting System based on Recurdyn [PDF]

Proceedings of the 2017 7th International Conference on Social Network, Communication and Education (SNCE 2017), 2017
Chen Jie, Yang Fang, Li Jishun, Ren Jianlei   +3 more
openaire   +1 more source

An Intelligent Correlation Real-Time Analysis Method for the Mechanical Properties of Members in Super-Span Valve Hall Grid Structure Hoisting Process. [PDF]

Sensors (Basel), 2022
Zeng Q, Liao J, Huang X, Ming W, Gao Y, Zhou C, Liu Z.   +6 more
europepmc   +1 more source

Reasonong of efficient work of hoisting Jib crane mechanism

Вестник Харьковского национального автомобильно-дорожного университета, 2007
Hypothesis of possibility to provide close (same) in magnitude capacities in load hoisting at the stage of its initial movement and constant working mode has been proved theoretically and by experiment.
openaire   +1 more source

Load-bearing mechanism and engineering application of a heavy-duty transfer steel platform supported by basement columns. [PDF]

PLoS One
Shang M, Li X.
europepmc   +1 more source