Results 71 to 80 of about 1,340,805 (345)

Novos fundentes para produção da porcelana de ossos New fluxes for the production of bone china

open access: yesCerâmica, 2010
O uso de fundentes enérgicos "alternativos" foi investigado em uma formulação de porcelana de ossos em ciclo de queima rápida. As propriedades dos corpos-de-prova foram avaliadas em diferentes formulações, variando-se o tipo de fundente. A wolastonita, o
M. P Ballvé, S. R Bragança
doaj   +1 more source

Gain control with A-type potassium current: IA as a switch between divisive and subtractive inhibition [PDF]

open access: yes, 2018
Neurons process information by transforming barrages of synaptic inputs into spiking activity. Synaptic inhibition suppresses the output firing activity of a neuron, and is commonly classified as having a subtractive or divisive effect on a neuron's ...
Goldwyn, Joshua H   +3 more
core   +5 more sources

Harnessing Fungal Biowelding for Constructing Mycelium‐Engineered Materials

open access: yesAdvanced Engineering Materials, EarlyView.
Mycelium‐bound composites (MBCs) offer low‐carbon alternatives for construction, yet interfacial bonding remains a critical challenge. This review examines fungal biowelding as a biocompatible adhesive, elucidating mycelium‐mediated interfacial mechanisms and their role in material assembly. Strategies to optimize biowelding are discussed, highlighting
Xue Brenda Bai   +2 more
wiley   +1 more source

Integrated Solution for Driving Series-Connected IGBTs and Its Natural Intrinsic Balancing

open access: yesEnergies, 2019
The use of series connected IGBTs is still a current subject in literature, despite such a discussion having started in the 1990s. Though countless academic studies, there are currently no available commercial products on the market for medium voltage ...
Gustavo O. Fortes   +2 more
doaj   +1 more source

Four‐Point Bending Tests at High Temperatures on Commercial MgO‐C Refractory Bricks with and Without Recyclate Considering Different Carbon Contents

open access: yesAdvanced Engineering Materials, EarlyView.
Four‐point bending tests are conducted in an argon atmosphere on commercial MgO‐C brick grades with and without MgO‐C recyclate from room temperature up to 1300 °C. No detrimental effect of the MgO‐C recyclates on bending strength is found. Instead, a decisive influence of the total carbon content is observed, with lower total carbon contents ...
Alexander Schramm   +5 more
wiley   +1 more source

The main differences of accomplishment conditions of shooting exercise RFP in the training process for the XXIX and XXX Olympic Games. [PDF]

open access: yesPedagogìka, Psihologìâ ta Mediko-bìologìčnì Problemi Fìzičnogo Vihovannâ ì Sportu, 2012
Main changes and terms of implementation of the speed firing an are certain standard pistol on five targets which simultaneously appear on distance 25 meters. The features of such firing are analysed.
Petriv O. S.
doaj  

Constitutive equations of earthenware material during firing processes and determination of their function forms

open access: yesNihon Kikai Gakkai ronbunshu, 2016
We propose a set of constitutive equations of earthenware material subjected to the firing process and appropriate ways of determining their function forms and relevant material parameters from a series of respective experiments. The firing process under
Seishiro MATSUBARA   +8 more
doaj   +1 more source

Manganese-alumina-ceramic glass eliminates rigid controls necessary in bonding metals to ceramics [PDF]

open access: yes, 1968
Matrix of manganese-alumino-silicate glass simplifies the processes of metallizing alumina ceramics. Because the manganese in the glass is preoxidized to the 2 plus state by firing in nitrogen, the ceramic can be metallized in dry hydrogen.
Hollar, E. L.
core   +1 more source

Resistance Rapid Heating of Aluminum Coatings in an Extreme High Vacuum–Adequate Atmosphere for Hot Stamping

open access: yesAdvanced Engineering Materials, EarlyView.
The subject of this work is the development of a corrosion‐protective coating on steel sheets for form hardening. Rapid heating in an extreme high vacuum (XHV)‐adequate atmosphere is a useful method to prevent oxidation during alloying of 22MnB5 and aluminum to obtain a metallurgical bonding.
Lorenz Albracht   +5 more
wiley   +1 more source

Combinational logic for generating gate drive signals for phase control rectifiers [PDF]

open access: yes, 1982
Control signals for phase-delay rectifiers, which require a variable firing angle that ranges from 0 deg to 180 deg, are derived from line-to-line 3-phase signals and both positive and negative firing angle control signals which are generated by ...
Dolland, C. R., Trimble, D. W.
core   +1 more source

Home - About - Disclaimer - Privacy