Results 21 to 30 of about 183,815 (267)

Strength characteristics of load-bearing reinforced concrete structures of the Ostankino television tower [PDF]

open access: yesE3S Web of Conferences, 2023
The article describes the design features of the Ostankino TV tower in Moscow. The main results of the earlier works of the load-bearing reinforced concrete structures of the TV tower column and foundations are presented in the article.
Mamin Aleksandr N.   +4 more
doaj   +1 more source

Assessment of yield stability in sugarcane genotypes using non-parametric methods

open access: yesAgronomía Colombiana, 2015
The evaluation of performance stability and high yields is essential for yield trials in different environments. This study was carried out to identifysugarcane genotypesthat have both a high mean cane yield, mesured in tons of cane per hectare (TCH ...
Ramón Rea   +6 more
doaj   +1 more source

Existence and static stability of a capillary free surface appearing in a dewetted Bridgman process. Part II. [PDF]

open access: yesINCAS Bulletin, 2019
This paper presents six theoretical results concerning the existence and static stability of a capillary free surface appearing in a dewetted Bridgman crystal growth technique. The results are obtained in an axis-symmetric 2D model for semiconductors for
Agneta M. BALINT, Stefan BALINT
doaj   +1 more source

Aerodynamic instability of flare-type membrane inflatable vehicle in suborbital reentry demonstration

open access: yesJournal of Fluid Science and Technology, 2018
An inflatable membrane reentry vehicle has been developed as one of the innovative reentry technologies. A suborbital reentry demonstration using a sounding rocket was carried out in 2012. Contrary to the result of a preliminary study, the vehicle always
Tatsushi OHASHI   +3 more
doaj   +1 more source

Effect of long-term tending on qualitative and quantitative production in mixed stands of spruce, fir and beech on Motyky research plot

open access: yesJournal of Forest Science, 2003
The paper is a contribution to research on thinnings in mixed (spruce-fir-beech) stands situated in the fifth forest altitudinal zone in the central part of Slovakia.
I. Štefančík, L. Štefančík
doaj   +1 more source

Sensitivity of the Intensity and Structure of Tropical Cyclones to Tropospheric Stability Conditions

open access: yesAtmosphere, 2020
The intensity of tropical cyclones (TCs) is controlled by their environmental conditions. In addition to the sea surface temperature, tropospheric temperature lapse rate and tropopause height are highly variable.
Tetsuya Takemi, Shota Yamasaki
doaj   +1 more source

Investigation of a Light Boxplane Model Using Tuft Flow Visualization and CFD

open access: yesFluids, 2021
In this paper, we addressed the flow patterns over a light boxplane scale model to explain the previously discovered disagreement between its predicted and experimental aerodynamic characteristics.
Elena Karpovich   +3 more
doaj   +1 more source

Reut and Beck columns: effects of end gravity forcé, translation and rotational inertias

open access: yesRevista Facultad de Ingeniería Universidad de Antioquia, 2013
The stability of Reut and Beck columns subjected to any combination of gravity and non-conservative (fixed-line of follower) comprenssive axial forces is presented using the dynamic formulation.
Luis G. Arboleda Monsalve   +2 more
doaj   +1 more source

Assessment of Static Steadiness and Dynamic Stability at Various Stages of Healing of a Grade 2 Medial Collateral Ligament Tear: A Case Report

open access: yesSci, 2021
Injuries to ligaments of the knee are extremely common among athletes who participate in high-risk sports or any sport that requires frequent cutting motions, jumping, or contact. In order to determine the best way to heal these injuries, it is important
Kaycee Glattke   +4 more
doaj   +1 more source

Derivation of target stocking for forests of Norway spruce vegetation zone in Slovakia

open access: yesJournal of Forest Science, 2007
The present paper deals with derivation of target stocking in forests of Norway spruce vegetation zone. Target stocking in forests with prevailing ecological and social functions is the stocking when the forest fulfils demanded functions in the best way.
M. Moravčík
doaj   +1 more source

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