Results 21 to 30 of about 7,042,121 (243)

Some Inequalities for the Euclidean Operator Radius of Two Operators in Hilbert Spaces [PDF]

open access: yes, 2006
Some sharp bounds for the Euclidean operator radius of two bounded linear operators in Hilbert spaces are given. Their connection with Kittaneh’s recent results which provide sharp upper and lower bounds for the numerical radius of linear operators ...
Dragomir, Sever S
core   +4 more sources

Morphological characteristics of hydraulic punching holes and optimization of gas extraction parameters

open access: yesMeikuang Anquan, 2023
At present, in drilling design and evaluation, the shape of hydraulic flushing hole is usually equivalent to cylinder, which is one of the important bases to determine the effective extraction radius.
LIU Xiao, JING Tianxiang, XUAN Dequan, HU Shixiong, LI Yong1, XU Sen
doaj   +1 more source

Influence of ice crystal shape on retrieval of cirrus optical thickness and effective radius: A case study [PDF]

open access: yes, 2009
Airborne measurements of spectral upwelling radiances (350â  2200 nm) reflected by cirrus using the Spectral Modular Airborne Radiation measurement sysTem (SMART)-Albedometer were made over land and water surfaces.
Minikin, Andreas   +7 more
core   +1 more source

Experimental Study on Reasonable Spacing after Carbon Dioxide Presplitting in Low-Permeability Coal Seam

open access: yesAdvances in Civil Engineering, 2021
Gas disasters have been always a major hidden danger that affects mining safety in coal mines. Gas drainage by drilling is the fundamental method of gas control in coal mines.
Zongyong Wei   +5 more
doaj   +1 more source

Norm and Numerical Radius Inequalities for a Product of Two Linear Operators in Hilbert Spaces [PDF]

open access: yes, 2006
The main aim of the present paper is to establish some norm and numerical radius inequalities for the composite operator BA under suitable assumptions for the transform Cα ,β (T) := (T∗ −α I)(β I−T) , where α ,β ∈ C and T ∈ B(H), of the operators ...
S. S. Dragomir   +2 more
core   +2 more sources

Upper Bounds for the Euclidean Operator Radius and Applications [PDF]

open access: yes, 2006
The main aim of the present paper is to establish various sharp upper bounds for the Euclidean operator radius of an n−tuple of bounded linear operators on a Hilbert space.
Dragomir, Sever S
core   +3 more sources

Norm and Numerical Radius Inequalities for Two Linear Operators in Hilbert Spaces [PDF]

open access: yes, 2008
Some inequalities for the norm and numerical radius of two bounded linear operators in Hilbert spaces are ...
Dragomir, Sever S
core   +2 more sources

Physical optimal design and analysis of 99Mo production in new type molten salt fast reactor

open access: yesHe jishu, 2022
Background99Mo has important applications in nuclear medicine field. It can be produced in a 235U fission reactor with high yield and specific activity.PurposeThis study aims to optimize the core parameters of new type molten salt fast reactor, and then ...
LIU Xiaolin   +5 more
doaj   +1 more source

Study and application of reasonable parameters for hydraulic punching of layer penetration boreholes in Changping Coal Mine

open access: yesEnergy Science & Engineering, 2023
Aiming at the application of hydraulic punching technology in soft, low permeability, and high gas coal seams in Changping Coal Mine, there are problems such as large workload, poor permeability enhancement effect, and the formation of “blank zones” in ...
Rui Min   +4 more
doaj   +1 more source

Investigating transcription factor dynamics in health and disease using FRAP

open access: yesFEBS Letters, EarlyView.
FRAP analysis of GFP‐tagged transcription factors reveals how molecular mobility and target engagement change in response to drug treatment. By combining live‐cell imaging, quantitative model fitting, and statistical analysis, this approach uncovers transcription factor dynamics linked to disease mechanisms, providing a powerful framework for ...
Kannan Govindaraj   +3 more
wiley   +1 more source

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