Results 21 to 30 of about 2,040,340 (300)

Innovative Equivalent Elastic Modulus Based Stress Calculation Methodology for Reinforced Concrete Columns

open access: yesBuildings, 2023
The combination of linearity and elasticity assumptions provides classical calculation procedures for the reinforced concrete (RC) columns and beams against internal and external seismic loads.
Zekâi Şen, Atakan Mangir
doaj   +1 more source

Design Recommendations for Columns Made of Ultra-High-Performance Concrete and NiTi SMA Bars

open access: yesBuildings, 2023
The use of new materials in construction endows structures with better mechanical characteristics. The combination of ultra-high-performance concrete (UHPC) and nickel and titanium (NiTi) shape memory alloy (SMA) improves the behavior of building ...
Javier Pereiro-Barceló   +3 more
doaj   +1 more source

Purification of lipids from nonlipid contaminants on Sephadex bead columns

open access: yesJournal of Lipid Research, 1966
A simple, rapid column procedure for the removal of nonlipid contaminants from lipid extracts is described. Lipid P is completely recovered and nonlipids completely removed.
Roy E. Wuthier
doaj   +1 more source

INCREASE OF THE BEARING ABILITY OF THE COLUMNS STRENGTHENED BY INHALINGS

open access: yesВестник Дагестанского государственного технического университета: Технические науки, 2016
The article considers the behavior of the columns strengthened by horizontal struts in one and two levels. The shafts of the pillars are taken from conventional steel and wood.
Kh. M. Muselemov   +3 more
doaj   +1 more source

Research on Dynamic Characteristics of Canopy and Column of Hydraulic Support under Impact Load

open access: yesEnergies, 2022
In the process of coal mining, the canopy and column play an important role in the safety support of hydraulic support. However, due to the complex and changeable coal seam conditions, the hydraulic support is significantly affected by the impact load ...
Qingliang Zeng   +4 more
doaj   +1 more source

Mass transfer in bubble column for industrial conditions—effects of organic medium, gas and liquid flowrates and column design [PDF]

open access: yes, 2005
Most of available gas–liquid mass transfer data in bubble column have been obtained in aqueous media and in liquid batch conditions, contrary to industrial chemical reactor conditions.
Billet, Anne-Marie   +4 more
core   +1 more source

Behavior of precast reinforced concrete columns subjected to monotonic short-term loading

open access: yesFracture and Structural Integrity, 2019
This paper presents a case study on the behaviour of precast reinforced columns with non-conventional cross-section. An experimental program was developed to verify the serviceability and ultimate limit states of these columns, loaded with eccentric ...
S. S. R. Pereira   +4 more
doaj   +1 more source

Experimental Investigation and Design of Hollow Section, Centrifugal Concrete-Filled GFRP Tube Columns

open access: yesBuildings, 2021
The compressive response of hollow section, centrifugal concrete-filled GFRP tube (HS-CFGT) members is examined experimentally and reported analytically in this paper.
Bing Feng   +4 more
doaj   +1 more source

The Boolean column and column-row matrix decompositions [PDF]

open access: yesData Mining and Knowledge Discovery, 2008
Matrix decompositions are used for many data mining purposes. One of these purposes is to find a concise but interpretable representation of a given data matrix. Different decomposition formulations have been proposed for this task, many of which assume a certain property of the input data (e.g., nonnegativity) and aim at preserving that property in ...
openaire   +1 more source

2019–20 Australian Bushfires and Anomalies in Carbon Monoxide Surface and Column Measurements

open access: yesAtmosphere, 2021
In Australia, bushfires are a natural part of the country’s landscape and essential for the regeneration of plant species; however, the 2019–20 bushfires were unprecedented in their extent and intensity.
Shyno Susan John   +5 more
doaj   +1 more source

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