Results 21 to 30 of about 69,066 (303)

Simulation models of vibrations at holes boring factored in the technological system’s variable rigidity

open access: yesTrudy Odesskogo Politehničeskogo Universiteta, 2013
At elongated holes boring several imperfections can occur, namely, the surface waviness and shape inaccuracies in the axial section. This research purpose is to establish the regularities of such imperfections formation depending on the technological ...
Борис Олегович Ткаченко   +1 more
doaj   +4 more sources

“The Boring in Sussex” [PDF]

open access: yesNature, 1873
ON the 9th inst. I was fortunate enough to find what I believe to be the first fossil from the Sub-Wealden boring at Netherfield, three or four shells of the genus Cyclas, in dark blue shale from a depth of 100ft. There was also a small piece of what Dr. Bowerbank thinks is a Paludina.
openaire   +1 more source

Displacement-Based Estimation of Quasi-Three-Dimensional Landslide Slip Surfaces Using UAV LiDAR Data

open access: yesRemote Sensing
Accurate delineation of buried slip surfaces remains a major uncertainty in landslide hazard assessment, especially where subsurface data are limited. This study evaluates a displacement-based approach to estimate quasi-three-dimensional (quasi-3D) slip ...
Shigeru Ogita   +5 more
doaj   +1 more source

DETAILS’ REPAIR OF CONSTRUCTION AND ROAD MACHINES: FLUCTUATIONS’ MODELLING

open access: yesВестник СибАДИ, 2019
Introduction. Hole details are quite widely used in structures of construction and road machines. The specialists apply boring for draft, semi-fair, and in some cases for fair processing of such surfaces.
V. E. Ovsyannikov, V. I. Vasilyev
doaj   +1 more source

Development and Application of Mechanical Shield Tail Clearance Measurement Device Based on Angle Sensor

open access: yesChengshi guidao jiaotong yanjiu
Objective In view of the constant changes of shield tail clearance during shield or tunnel boring machine excavation process, to ensure construction safety, it is necessary to measure shield tail clearance in real-time. Addressing the shortcomings of non-
WANG Wei   +4 more
doaj   +1 more source

Dodecaceria carolinae n. sp. (Polychaeta: Cirratulidae), a shallow-water species from the northwestern Caribbean Sea

open access: yesScientia Marina, 2011
The cirratulid genus Dodecaceria Örsted, 1843 is well characterized by having palps inserted dorsally or laterally and branchial filaments restricted to some anterior chaetigers.
Jose Maria Aguilar-Camacho   +1 more
doaj   +1 more source

Tunnel Boring Machine Design and Reliability Parameters of a Dynamic Rock-Indentor System

open access: yes, 2012
The article deals with the calculation of reliability indicators of system dynamics, between the tunnel boring machine and the rock during the tunnel boring of the exploratory tunnel Branisko. The background deals with a design of a tunnel boring machine
Marcela Malindzakova, Jozef Futo
core   +1 more source

Simulation models of vibrations at holes boring factored in the technological system’s variable rigidity

open access: yesTrudy Odesskogo Politehničeskogo Universiteta, 2014
At elongated holes boring several imperfections can occur, namely, the surface waviness and shape inaccuracies in the axial section. This research purpose is to establish the regularities of such imperfections formation depending on the technological ...
Boris О. Tkachenko, Аnna V. Balaniuk
doaj   +1 more source

alin256/Directional-Boring: A somewhat realistic shallow directional boring game

open access: yes, 2022
Improved the description and the ...
Daniel Shiffman   +4 more
core   +1 more source

Purification and preparation of Marchantia polymorpha Auxin Response Factor 2 for phase separation studies

open access: yesFEBS Open Bio, EarlyView.
We describe detailed protocols for the purification and preparation of Marchantia polymorpha Auxin Response Factor 2 (MpARF2). This protein is fused to an MBP solubility tag and an mNG fluorescent tag and is purified from Escherichia coli. The presented procedures make it possible to study MpARF2 assemblies, which could arise from phase separation ...
Bas Janssen   +5 more
wiley   +1 more source

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