Results 91 to 100 of about 108,116 (313)

Measurable rectangles

open access: yes, 1992
We give an example of a measurable set of reals E such that the set E'={(x,y): x+y in E} is not in the sigma-algebra generated by the rectangles with measurable sides. We also prove a stronger result that there exists an analytic set E such that E' is not in the sigma-algebra generated by rectangles whose horizontal side is measurable and vertical side
openaire   +3 more sources

Stress Analysis of Four Kinds of Flexible T- typed Coupling Joint

open access: yesJixie chuandong, 2016
The corner- filleted flexural hinge,the elliptical- rectangle flexural hinge,the parabola- rectangle flexural hinge and the hyperbolic- rectangle flexural hinge are used in the structure of the flexible T-typed coupling joint.
Ren Ning, Wang Zhongying, Zhou Feng
doaj  

Microstructure Evolution of a VMnFeCoNi High‐Entropy Alloy After Synthesis, Swaging, and Annealing

open access: yesAdvanced Engineering Materials, EarlyView.
The synthesis and processing (rotary swaging and annealing) of the novel VMnFeCoNi alloy is investigated, alongside the estimation of the grain size effect on hardness. Analysis of a wide grain size range of recrystallized microstructures (12–210 µm) reveals a low annealing twin density.
Aditya Srinivasan Tirunilai   +6 more
wiley   +1 more source

Orthogonal Range Reporting and Rectangle Stabbing for Fat Rectangles [PDF]

open access: yes, 2019
extended version of a WADS'19 ...
Timothy M. Chan   +2 more
openaire   +2 more sources

Hydrogen‐Assisted Fracture of Iron‐Based Fe–Ni–Al Alloys

open access: yesAdvanced Engineering Materials, EarlyView.
Principal relations and fracture mechanisms of single‐phase and precipitate‐strengthened Fe–Ni–Al alloys subjected to prior electrochemical hydrogen charging are identified. The mechanisms of hydrogen effect on strength and microhardness are discussed, including hydrogen‐induced increase in microhardness and the role of hydrogen in fracture behavior ...
Nataliya Yadzhak   +3 more
wiley   +1 more source

A note on generalized convex functions

open access: yesJournal of Inequalities and Applications, 2019
In the article, we provide an example for a η-convex function defined on rectangle is not convex, prove that every η-convex function defined on rectangle is coordinate η-convex and its converse is not true in general, define the coordinate (η1,η2) $(\eta
Syed Zaheer Ullah   +2 more
doaj   +1 more source

A Lightweight Procedural Layer for Hybrid Experimental–Computational Workflows in Materials Science

open access: yesAdvanced Engineering Materials, EarlyView.
We unveil a prototype hybrid‐workflow framework that fuses automatedcomputation with hands‐on experiments. Built atop pyiron, a lightweight, parameterized layer translates procedure descriptions into executable manual steps, syncing instrument settings, human interventions, and data capture in real‐time today.
Steffen Brinckmann   +8 more
wiley   +1 more source

Facial Expression Recognition by Split Rectangle Based Adaboost

open access: yesJournal of Measurement Science and Instrumentation, 2011
The facial expression recognition system using the Adaboost based on the Split Rectangle feature is proposed in this paper.This system provides more various features in increasing speed and accuracy than the Haar-like feature of Viola,which is commonly ...
Yong-hee HONG   +2 more
doaj  

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