Results 251 to 260 of about 513,322 (308)

Optimizing grout formulations for post-tensioning using pozzolanic and filler blends. [PDF]

Sci Rep
Ibrahim S, Shamseldein A, Sokairge H, Elshafie H.   +3 more
europepmc   +1 more source

Preconcentration of Scandium from Rock Matrix Using the Silica Modified with Tributyl Phosphoric as Solid-Phase Extraction and Determination by GFAAS. [PDF]

ACS Omega
Choe JM, Kim PH, An HS, Jang UH.
europepmc   +1 more source

Fibrous Mesoporous Silica KCC-1 Functionalized with 3,5-Di-tert-butylsalicylaldehyde as an Efficient Dispersive Solid-Phase Extraction Sorbent for Pb(II) and Co(II) from Water. [PDF]

Nanomaterials (Basel)
Alharbi SK, Mehdar YTH, Almalki MA, Thumayri KA, AlMohaimadi KM, Alsehli BR, AlSuhaimi AO, Hussein BHM.   +7 more
europepmc   +1 more source

Spinnability of silica sols: The role of alkoxy group exchange

, 1993
S. Prabakar, Roger A. Assink, A D Irwin
openalex   +1 more source

Shock Propagation and Instability Structures in Compressed Silica Aerogels

, 2002
W. M. Howard, J. D. Molitoris, Martin R. DeHaven, A. E. Gash, Joe H. Satcher   +4 more
openalex   +1 more source

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Silica Nanoparticles

2021
Silica consists of one silicon atom and two oxygen atoms (SiO2) and is commonly used in various aspects of daily life. For example, it has been used as glass, insulator, and so on. Nowadays, silica is used as core reagents for fabricating and encapsulating nanoparticles (NPs).
Hyejin, Chang, Jaehi, Kim, Won-Yeop, Rho, Xuan-Hung, Pham, Jong Hun, Lee, Sang Hun, Lee, Dae Hong, Jeong, Bong-Hyun, Jun   +7 more
openaire   +2 more sources

Simulated silica

Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 2004
We review how molecular dynamics computer simulations are providing a comprehensive picture of the behaviour of silica, as modelled by the van Beest–Kramer–van Santen (BKS) potential. We have recently evaluated a number of key properties of this model system: the phase diagram, including melting lines of three crystal phases; the equation of state and ...
Ivan, Saika-Voivod, Francesco, Sciortino, Tor, Grande, Peter H, Poole   +3 more
openaire   +2 more sources

Silica Nanocoils

The Journal of Physical Chemistry B, 2006
We report here the results of nanoparticle-catalyzed synthesis of a variety of silica nanocoils (SiNCs) under similar growth conditions to those of making regular straight silica/silicon nanowires (SiNWs). Synthesis of individual SiNCs with alternating coiled and straight segments was achieved with cobalt nanoparticle catalysts at alternating ...
Yongquan, Qu, Joshua D, Carter, Ting, Guo   +2 more
openaire   +2 more sources

Properties of silica and silica-titania layers fabricated from silica sols containing fumed silica

Optical Materials, 2018
Abstract Silica layers fabricated by the sol-gel method are usually amorphous and exhibit a relatively low refractive index (n∼1.46 at about 0.6 μm), high optical transmittances at UV-VIS and near-IR ranges, as well as high thermal stability. Such layers can be used as high reflection or antireflection coatings, dielectric mirrors, bandpass filters ...
Ivo Barton, Vlastimil Matejec, Jan Mrazek, Luminita Predoana, Maria Zaharescu   +4 more
openaire   +1 more source

Determination of crystalline silica in silica fume

Talanta, 1994
Silica fume is formed as a by-product in the manufacture of silicon from quartzite. This paper describes an analytical method for the determination of crystalline silica in silica fume. The crystalline silica was determined after removal of amorphous silica from the fume. A gravimetric method was developed for the determination of the total crystalline
A, Fletcher, D, Phillips, I, Barrow
openaire   +2 more sources