Results 21 to 30 of about 176,458 (336)

Insights into secondary reactions occurring during atmospheric ablation of micrometeoroids [PDF]

open access: yes, 2016
Ablation of micrometeoroids during atmospheric entry yields volatile gases such as water, carbon dioxide, and sulfur dioxide, capable of altering atmospheric chemistry and hence the climate and habitability of the planetary surface.
Court, RW, Tan, J
core   +1 more source

Nanoscale Infrared Imaging Analysis of Carbonaceous Chondrites to Understand Organic-Mineral Interactions During Aqueous Alteration [PDF]

open access: yes, 2019
Organic matter in carbonaceous chondrites is distributed in fine-grained matrix. To understand pre- and postaccretion history of organic matter and its association with surrounding minerals, microscopic techniques are mandatory.
Baden, Naoki   +6 more
core   +2 more sources

Ultrasonic velocity and acoustic emission properties of concrete eroded by sulfate and its damage mechanism

open access: yes工程科学学报, 2016
Simulation experiment was performed on the performance of concrete exposed to sulfate attack and dry-wet cycles. Changes in ultrasonic velocity and acoustic emission activities for concrete at different erosion periods were tested by uniaxial compression
LIU Juan-hong   +3 more
doaj   +1 more source

Heparan sulfates and heparan sulfate binding proteins in sepsis

open access: yesFrontiers in Molecular Biosciences, 2023
Heparan sulfates (HSs) are the main components in the glycocalyx which covers endothelial cells and modulates vascular homeostasis through interactions with multiple Heparan sulfate binding proteins (HSBPs).
Yi-En Liao, Jian Liu, Katelyn Arnold
doaj   +1 more source

Single-molecule force spectroscopy reveals structural differences of heparan sulfate chains during binding to vitronectin [PDF]

open access: yesPhys. Rev. E 104, 024409 (2021), 2021
The syndecans represent an ongoing research field focused on their regulatory roles in normal and pathological conditions. Syndecan's role in cancer progression becomes well-documented, implicating their importance in diagnosis and even proposing various cancer potential treatments.
arxiv   +1 more source

Subsurface Microbial Ecology at Sediment-Groundwater Interface in Sulfate-Rich Playa; White Sands National Monument, New Mexico

open access: yesFrontiers in Microbiology, 2019
The hypersaline sediment and groundwater of playa lake, Lake Lucero, at the White Sands National Monument in New Mexico were examined for microbial community composition, geochemical gradients, and mineralogy during the dry season along a meter and a ...
Mihaela Glamoclija   +6 more
doaj   +1 more source

Growth of mixed K2NixCo(1−x)(SO4)2 · 6H2O crystals for large supercooling without spontaneous crystallization in solution

open access: yesMaterials Research Express, 2019
A scheme for growing mixed K _2 Ni _x Co _(1−x) (SO _4 ) _2  · 6H _2 O (KCNSH) single crystals under conditions of supercooling at 5 °C–10 °C without spontaneous crystallization in solution for more than a month has been proposed and implemented.
Andrei A Zhokhov   +7 more
doaj   +1 more source

Sulfate-reducing bacteria of the human intestine. II. The role in the diseases development

open access: yesБіологічні студії, 2012
The modern literature data about the role of microflora in the diseases of the large intestine of man are summarized. Special attention is paid to the sulfate-reducing bacteria role in ulcerative colitis development. The basic ways of hydrogen metabolism
I. V. Kushkevych
doaj   +1 more source

Investigation of the K-Mg-Ca Sulfate System as Part of Monitoring Problematic Phase Formations in Renewable-Energy Power Plants

open access: yesEnergies, 2020
Besides the widely applied hydropower, wind farms and solar energy, biomass and municipal and industrial waste are increasingly becoming important sources of renewable energy.
Fiseha Tesfaye   +3 more
doaj   +1 more source

Mechanisms for the creation of intrinsic electron-hole trapping centers in a CaSO4 crystall

open access: yesEurasian Journal of Physics and Functional Materials, 2021
The mechanism of creation of electron-hole trapping centers in CaSO4 at 15-300 K was investigated by the methods of vacuum-ultraviolet and thermoactivation spectroscopy. It is shown that electron-hole trapping centers are formed upon trap of electrons in
T.N. Nurakhmetov   +7 more
doaj   +1 more source

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