نتایج جستجو برای: inert particle

تعداد نتایج: 183587  

Journal: :Review of Scientific Instruments 2010

Journal: :Postgraduate Medical Journal 1966

Journal: :ChemSusChem 2013
Maryam Sayyah Yongqi Lu Richard I Masel Kenneth S Suslick

The reversible cycling of CaO adsorbents to CaCO(3) for high-temperature CO(2) capture is substantially improved by mechanical treatment. The mechanical milling intensity and conditions of grinding (e.g., wet vs. dry, planetary vs. vibratory milling) were determined to be the main factors that control the effectiveness of the mechanochemical synthesis to enhance the recycling stability of the s...

Journal: :Journal of loss prevention in the process industries 2015
Marcia L Harris Michael J Sapko Isaac A Zlochower Inoka E Perera Eric S Weiss

The Mine Safety and Health Administration (MSHA) specification for rock dust used in underground coal mines, as defined by 30 CFR 75.2, requires 70% of the material to pass through a 200 mesh sieve (<75 µm). However, in a collection of rock dusts, 47% were found to not meet the criteria. Upon further investigation, it was determined that some of the samples did meet the specification, but were ...

1999
Valery Koryukin

The detection and the research of the neutrinos background of Universe are the attractive problems. This problems do not seem the unpromising one in the case of the high neutrinos density of Universe. It was offered before to use the low energy neutrinos background of Universe for the explanation of the gravitational phenomena with the quantum position attracting the Casimir’s effect for this. ...

2017
Ricardo Marchante David M Beal Nadejda Koloteva-Levine Tracey J Purton Mick F Tuite Wei-Feng Xue

Transmissible amyloid particles called prions are associated with infectious prion diseases in mammals and inherited phenotypes in yeast. All amyloid aggregates can give rise to potentially infectious seeds that accelerate their growth. Why some amyloid seeds are highly infectious prion particles while others are less infectious or even inert, is currently not understood. To address this questi...

Journal: :Journal of the American Chemical Society 2008
Cyrille Gautier Thomas Bürgi

The thiolate-for-thiolate ligand exchange was performed on well-defined gold nanoparticles under an inert atmosphere without any modification of the core size. This reaction is faster than the well-known core etching. Surprisingly, if a chiral thiol is exchanged for its opposite enantiomer, the optical activity in the metal-based electronic transitions is reversed although the form of the CD sp...

2014
Adrian M. Nightingale Thomas W. Phillips James H. Bannock John C. de Mello

Channel-fouling is a pervasive problem in continuous flow chemistry, causing poor product control and reactor failure. Droplet chemistry, in which the reaction mixture flows as discrete droplets inside an immiscible carrier liquid, prevents fouling by isolating the reaction from the channel walls. Unfortunately, the difficulty of controllably adding new reagents to an existing droplet stream ha...

2007
F. Bauer

Early works have shown that highly reproducible piezoelectric film PVDF (Poly(vinylidene fluoride)) can be reliably used in a wide range of precise stress and stress-rate measurements. The direct stress-derivative or stress-rate PVDF signals have nanosecond resolution and higher operating stress limits than any other technique. Uses of PVDF stress gauges have been conducted in many fields of sh...

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