Results 21 to 30 of about 393,222 (351)

Neutron diffraction and Raman studies of the incorporation of sulfate in silicate glasses [PDF]

open access: yes, 2020
The oxidation state, coordination and local environment of sulphur in alkali silicate (R2O-SiO2; R= Na, Li) and alkali-alkaline earth silicate (Na2O-MO-SiO2; M= Ca, Ba) glasses have been investigated using neutron diffraction and Raman spectroscopy ...
Barney, Emma   +3 more
core   +2 more sources

Akumulasi Biomasa Fitoplankton yang Diukur sebagai Klorofil-a di Perairan Teluk Doreri, Provinsi Papua Barat

open access: yesJurnal Kelautan Tropis, 2020
The accumulation of phytoplankton biomass measured as chlorophyll-a is highly depends on the availability of ammonia and silicate in the waters. The purpuses of the study were examining the concentration of chlorophyll-a and its relation with ammonia and
Alianto Alianto   +3 more
doaj   +1 more source

Optimizing Broadband Near-Infrared Emission in Bi/Sn-Doped Aluminosilicate Glass by Modulating Glass Composition

open access: yesMicromachines, 2022
The Bi/Sn-doped aluminosilicate glass samples were prepared using a melting–quenching method and their near-infrared (NIR) emission properties were studied.
Song Xiang   +4 more
doaj   +1 more source

Biostimulant Activity of Silicate Compounds and Antagonistic Bacteria on Physiological Growth Enhancement and Resistance of Banana to Fusarium Wilt Disease

open access: yesPlants, 2023
Biostimulants such as silicate (SiO32−) compounds and antagonistic bacteria can alter soil microbial communities and enhance plant resistance to the pathogens and Fusarium oxysporum f. sp.
Md Aiman Takrim Zakaria   +5 more
doaj   +1 more source

Surgical management of an accessory canal in a maxillary premolar: a case report [PDF]

open access: yesRestorative Dentistry & Endodontics, 2019
We report the surgical endodontic treatment of a maxillary first premolar with a lateral lesion that originated from an accessory canal. Although lesions originating from accessory canals frequently heal with simple conventional endodontic therapy, some ...
Hee-Jin Kim   +3 more
doaj   +1 more source

Silicate rock weathering and atmospheric/soil CO2 uptake in the Amazon basin estimated from river water geochemistry: seasonal and spatial variations [PDF]

open access: yes, 2003
Using the data of the CAMREX project (1982–1984) on the water geochemistry of the Amazon river and its main tributaries, it was possible to assess the silicate rock weathering processes and the associated consumption of atmospheric/soil CO2, taking into
Mortatti, Jefferson, Probst, Jean-Luc
core   +2 more sources

The Relationship between the Optical Depth of the 9.7 micron Silicate Absorption Feature and Infrared Differential Extinction in Dense Clouds [PDF]

open access: yes, 2007
We have examined the relationship between the optical depth of the 9.7 micron silicate absorption feature (tau_9.7) and the near-infrared color excess, E(J-Ks) in the Serpens, Taurus, IC 5146, Chameleon I, Barnard 59, and Barnard 68 dense clouds/cores ...
A. C. A. Boogert   +15 more
core   +3 more sources

Diffusion and Thermal Shock Behaviour of Silicate Dental Ceramics

open access: yesMedžiagotyra, 2023
The purpose of this study is to examine the diffusion and thermal shock behaviour of the alternative dental silicates. The samples derived from BaO-SiO2 system have been produced by melting process and followed by the heat treatment.
Burcu ERTUĞ
doaj   +1 more source

Iron, silicate, and light co-limitation of three Southern Ocean diatom species [PDF]

open access: yes, 2008
The effect of combined iron, silicate, and light co-limitation was investigated in the three diatom species Actinocyclus sp. Ehrenberg, Chaetoceros dichaeta Ehrenberg, and Chaetoceros debilis Cleve, isolated from the Southern Ocean (SO).
A Abelmann   +50 more
core   +1 more source

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