Results 21 to 30 of about 67,886 (283)

Production of nano- and micropowders of cubic BN from mechanically activated graphite-like BN under high pressures and temperatures using aluminium as a phase convertion initiator

open access: yesВесці Нацыянальнай акадэміі навук Беларусі: Серыя фізіка-тэхнічных навук, 2022
An effect of mechanical activation of graphite-like (hexagonal) boron nitride (hBN) on catalytic synthesis of nano- and micropowders of cubic boron nitride (cBN) under conditions of high pressures and temperatures is shown in the article.
V. T. Senyut
doaj   +1 more source

Leadership, the Financial Sector and Development in Nigeria [PDF]

open access: yes, 2011
Studies have shown that leadership is a vital factor for the realization of organizational goals in the public and private sector of any economy. This article therefore examines leadership, the financial sector and development in Nigeria. The financial
Gberevbie, D.E.
core   +2 more sources

Transfer of Cubic Boron Nitride Grinding Wheel Wear Products to the Nickel Alloy Surface [PDF]

open access: yesMATEC Web of Conferences, 2020
The article summarizes the results of microscopic and x-ray spectral studies of objects embedded in the surface layer of a nickel alloy after grinding with a wheel of cubic boron nitride (CBN) on a ceramic bond.
Nosenko Vladimir A.   +2 more
doaj   +1 more source

Rain water harvesting management system in Zoo Negara, Selangor [PDF]

open access: yes, 2018
Water is a key requirement either to human, animal or plant. Rainwater Harvesting System (RWH) is a technology used to collect and store rainwater from the roof for reuse.
Md Yassin, Azlina   +3 more
core   +1 more source

Profile Grinding of High-Speed Steel using Ultrafine-Crystalline cBN Wheels

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing, 2008
This paper deals with the grinding characteristics of newly developed ultrafine-crystalline cBN (cBN-U) abrasive grains in creep feed profile grinding of high-speed steels.
Yoshio ICHIDA
doaj   +1 more source

Development of a High Performance Vitrified Grinding Wheel using Ultrafine-Crystalline cBN Abrasive Grains

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing, 2010
This paper describes the development of a high-performance vitrified bonded cBN grinding wheel using a new type of ultrafine-crystalline cBN (cBN-U) abrasive grain. Surface plunge grinding experiments using a vitrified wheel made of the cBN-U grains with
Yoshio ICHIDA   +3 more
doaj   +1 more source

The Effect of an External Electric Field on the Electronic Properties of Defective CBN Nanotubes: A Density Functional Theory Approach

open access: yesCrystals, 2022
We investigated the effects of applying an external electric field on the electronic properties of Stone-Wales (SW) defective carbon-boron-nitride nanotubes (CBN) using first principles calculations.
Saed Salman   +4 more
doaj   +1 more source

The Sigma-Semantics: A Comprehensive Semantics for Functional Programs [PDF]

open access: yes, 1996
A comprehensive semantics for functional programs is presented, which generalizes the well-known call-by-value and call-by-name semantics. By permitting a separate choice between call-by value and call-by-name for every argument position of every ...
Chitil, Olaf
core   +4 more sources

MOTRIVIVÊNCIA ENTREVISTA: Juca Kfouri e José Roberto Torero

open access: yesMotrivivência, 2002
Entrevista
Juca Kfouri, José Roberto Torero
doaj   +1 more source

Columbianadin Dampens In Vitro Inflammatory Actions and Inhibits Liver Injury via Inhibition of NF-κB/MAPKs: Impacts on OH Radicals and HO-1 Expression

open access: yesAntioxidants, 2021
Columbianadin (CBN), a natural coumarin isolated from Angelica decursiva, is reported to have numerous biological activities, including anticancer and platelet aggregation inhibiting properties.
Thanasekaran Jayakumar   +10 more
doaj   +1 more source

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