Results 121 to 130 of about 16,080,662 (298)

Mechanochemical Synthesis and Characterization of Nanostructured ErB4 and NdB4 Rare‐Earth Tetraborides

open access: yesAdvanced Engineering Materials, Volume 27, Issue 6, March 2025.
ErB4 and NdB4 nanostructured powders are produced by mechanochemical synthesis. 5 h mechanical alloying and 4 M HCl acid leaching are used in the production. ErB4 and NdB4 powders exhibit maximum magnetization of 0.4726 emu g−1 accompanied with an antiferromagnetic‐to‐paramagnetic phase transition at about TN = 18 K and 0.132 emu g−1 with a maximum at ...
Burçak Boztemur   +5 more
wiley   +1 more source

East Ohio Gas Company Employee Magazine

open access: yes, 1956
Cover of the May June 1956 edition of the East Ohio News, a magazine for employees of the East Ohio Gas Company, now Dominion East ...
East Ohio Gas Company (Publisher)
core  

Revisiting Stability Criteria in Ball‐Milled High‐Entropy Alloys: Do Hume–Rothery and Thermodynamic Rules Equally Apply?

open access: yesAdvanced Engineering Materials, Volume 27, Issue 6, March 2025.
The stability criteria affecting the formation of high‐entropy alloys, particularly focusing in supersaturated solid solutions produced by mechanical alloying, are analyzed. Criteria based on Hume–Rothery rules are distinguished from those derived from thermodynamic relations. The formers are generally applicable to mechanically alloyed samples.
Javier S. Blázquez   +5 more
wiley   +1 more source

Compressed natural gas measurement issues

open access: yes, 1993
The Natural Gas Vehicle Coalition`s Measurement and Metering Task Group (MMTG) was established on July 1st, 1992 to develop suggested revisions to National Institute of Standards & Technology (NIST) Handbook 44-1992 (Specifications, Tolerances, and Other
Blazek, C. F.   +2 more
core  

A potential solution to GMAW gas flow optimisation [PDF]

open access: yes, 2012
A number of self-regulating shielding gas valves have been developed to synchronise the shielding gas flow rate to the welding current being used in the gas metal arc welding process (GMAW).
Campbell, Stuart   +3 more
core   +2 more sources

Design of Automatic Test Instrument of Shale Gas Content

open access: yesShiyou jixie, 2016
Desorption-based shale gas content test instrument has common problems such as low testing automation level,neglect of temperature and pressure effect,low measurement accuracy,low portability and so on.In order to solve the above problems,an automatic ...
Zhao Haitong   +3 more
doaj  

Gas desorption law of coal particles and calculation method of gas loss during fixed‐point closed sampling

open access: yesEnergy Science & Engineering
With the application of new technologies for coal mine gas control, it has been increasingly urgent to apply the fixed‐point closed sampling (FPCS) technology for accurate measurement of coal seam gas content.
Zhihui Wen   +5 more
doaj   +1 more source

Characterization of Defect Distribution in an Additively Manufactured AlSi10Mg as a Function of Processing Parameters and Correlations with Extreme Value Statistics

open access: yesAdvanced Engineering Materials, EarlyView.
Predicting extreme defects in additive manufacturing remains a key challenge limiting its structural reliability. This study proposes a statistical framework that integrates Extreme Value Theory with advanced process indicators to explore defect–process relationships and improve the estimation of critical defect sizes. The approach provides a basis for
Muhammad Muteeb Butt   +8 more
wiley   +1 more source

East Ohio Gas Company Employee Magazine

open access: yes, 1959
Cover of the March 1959 edition of the East Ohio News, a magazine for employees of the East Ohio Gas Company, now Dominion East ...
East Ohio Gas Company (Publisher)
core  

Accumulation Conditions and an Analysis of the Origins of Natural Gas in the Lower Silurian Shiniulan Formation from Well Anye 1, Northern Guizhou Province

open access: yesEnergies, 2019
The origin of natural gas and the mechanisms that lead to gas accumulation in the marine calcareous mudstone of the Lower Silurian Shiniulan Formation in northern Guizhou province are special and complicated. According to a combination of qualitative and
Ruibo Guo   +4 more
doaj   +1 more source

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