Results 31 to 40 of about 109,271 (355)

Biomass characteristics, aeration and oxygen transfer in membrane bioreactors: their interrelations explained by a review of aerobic biological processes [PDF]

open access: yes, 2005
Membrane bioreactor (MBR) is a promising alternative to conventional wastewater treatment methods. However this process is still under-used due to its high running costs.
Stephenson, Tom, Germain, Eve
core   +1 more source

Network analysis reveals microbe-mediated impacts of aeration on deep sediment layer microbial communities

open access: yesFrontiers in Microbiology, 2022
Over-aeration is a common remediation strategy for black and odorous water bodies, in which oxygen is introduced to impact aquatic microbial communities as an electron acceptor of high redox potential.
Zhenyu Wang   +9 more
doaj   +1 more source

Effects of aeration modes and rates on nitrogen conversion and bacterial community in composting of dehydrated sludge and corn straw

open access: yesFrontiers in Microbiology
Aeration is an important factor to regulate composting efficiency and nitrogen loss. This study is aimed to compare the effects of different aeration modes (continuous and intermittent) and aeration rate on nitrogen conversion and bacterial community in ...
Yuyun Wang   +21 more
doaj   +1 more source

INNOVATIVE CONSTRUCTION MATERIAL BASED ON AERATED CERAMICS

open access: yesArchitecture and Engineering, 2017
The study looks at the production of effective construction materials based on clay rocks of various mineral and chemical compositions. A method for the manufacturing of aerated ceramic materials and products with the specified average density is ...
Konstantin Dmitriev, Victor Zverev
doaj   +1 more source

Contemporary application of microbubble technology in water treatment

open access: yesWater Science and Technology, 2022
Microbubble (MB) technology constitutes a suite of promising low-cost technologies with potential applications in various sectors. Microbubbles (MBs) are tiny gas bubbles with diameters in the micrometre range of 10–100 μm.
Sarita S. Nair   +5 more
doaj   +1 more source

Ultrafine bubbles effectively enhance soybean seedling growth under nutrient deficit stress

open access: yesPlant Production Science, 2020
Ultrafine bubbles (UFBs) exhibit a number of unique physical characteristics; however, reports on plant growth enhancement by UFB application are controversial.
Morio Iijima   +5 more
doaj   +1 more source

Acute caffeine treatment protects the developing retina from ischemia‐induced cell death

open access: yesFEBS Open Bio, EarlyView.
Caffeine reduces cell death in the developing retina under ischemia (OGD). This effect does not involve BDNF upregulation or antioxidant pathways (NRF2/VEGF). Neuroprotection occurs mainly through adenosine A2A receptor antagonism, decreasing glutamate release and excitotoxicity, highlighting caffeine's potential as an acute neuroprotective agent in ...
Amanda Alves Nascimento   +6 more
wiley   +1 more source

The aeration of clay soils in cricket [PDF]

open access: yes, 2012
In the game of cricket good ball-surface interactions are essential and require a hard, flat surface. To achieve this the clay loam soil comprising the pitch is compressed and compacted using a smooth wheeled roller, which when combined with the ...
Parsons, Simon A.
core  

Sudden anaerobization in Amphibacillus xylanus increases intracellular labile ferrous iron and inhibits cell growth

open access: yesFEBS Open Bio, EarlyView.
Abruptly changing from aerobic to anaerobic conditions (sudden anaerobization) induced growth inhibition and a significant increase in intracellular labile ferrous iron in the aerotolerant anaerobe Amphibacillus xylanus. We found that free flavins mediate efficient electron transfer from NADH to ferric iron under anaerobic conditions, suggesting that ...
Shinya Kimata   +13 more
wiley   +1 more source

Direct Metal Deposition of Graphene–Ti28Nb35.4Zr Matrix Composites With Enhanced Mechanical, Corrosion, and Biocompatibility Properties for Bone Implants

open access: yesAdvanced Engineering Materials, EarlyView.
Graphene nanoplatelet (0.1 wt.%) reinforcement significantly enhances the performance of β Ti‐28Nb‐35.4Zr alloy. Grain refinement, reduced water contact angle, and improved surface characteristics promote osteoblast adhesion and complete surface coverage after 7 days.
Khurram Munir   +5 more
wiley   +1 more source

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