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Evaluation of a low-cost dryer for a low-cost optical particle counter [PDF]

open access: yesAtmospheric Measurement Techniques, 2022
The use of low-cost sensors for air quality measurements has become very popular in the last few decades. Due to the detrimental effects of particulate matter (PM) on human health, PM sensors like photometers and optical particle counters (OPCs) are ...
M. Chacón-Mateos   +3 more
doaj   +1 more source

State of Charge and Lithium Manganate Batteries Internal Resistance Estimation at Low Charge/discharge rates

open access: yesInternational Journal of Electrochemical Science, 2021
Several parameters relating to electric vehicles vary with the state of charge (SOC). In currently commonly used equivalent circuit models, changes of the Ohmic resistance (R0) and polarization resistance (Rp) during charge and discharge are ignored ...
Xiongping Lin   +8 more
doaj   +1 more source

Nanobubble ozonation for waterbody rejuvenation at different locations in India: A holistic and sustainable approach

open access: yesResults in Engineering, 2022
In this study, four different sites of ponds at different time period were analysed to show to the effect of Nanobubble ozonation (NBO). NBO is one of novel technologies which is environmentally friendly only using air, ozone, and requiring virtually no ...
Preeti Pal   +2 more
doaj   +1 more source

Multi-objective optimisation of thermal and hydraulic performance with various concentrations of hybrid Fe3O4/graphene nanofluids in a microchannel heat sink

open access: yesCase Studies in Thermal Engineering, 2023
An accurate thermal resistance network and an objective function of pressure drop were established for a microchannel heat sink (MCHS) to evaluate the heat transfer and hydraulic performance of hybrid Fe3O4/graphene nanofluids with different ...
Chenlei Qu   +4 more
doaj   +1 more source

Experimental Study on Denitration Transformation of CFB Boiler Burning Fujian Anthracite

open access: yesEnergies, 2023
Two 75 t/h medium-temperature separated circulating fluidized bed boilers burning Fujian anthracite were upgraded with low NOx combustion (LNC). By reducing the effective cross-sectional area of the air distributor (from 13.43 m2 to 11.38 m2), improving ...
Wenting Zhou   +2 more
doaj   +1 more source

Preparation of Cotton Linters’ Aerogel-Based C/NiFe2O4 Photocatalyst for Efficient Degradation of Methylene Blue

open access: yesNanomaterials, 2022
At present, the research focus has been aimed at the pursuit of the design and synthesis of catalysts for effective photocatalytic degradation of organic pollutants in wastewater, and further exploration of novel materials of the photodegradation ...
Chengli Ding   +3 more
doaj   +1 more source

Biofibre viscosifiers for subsurface production

open access: yesJournal of Petroleum Exploration and Production Technology, 2018
A novel natural cellulose material (“biofibre”) suspension in water has potential both for enhanced oil recovery and proppant placement during fracturing in tight reservoirs.
Tobias Platenburg   +4 more
doaj   +1 more source

A Cr Anti-Sticking Layer for Improving Mold Release Quality in Electrochemical Replication of PVC Optical Molds

open access: yesMicromachines, 2019
This paper addresses the issue of mold release quality in an electrochemical replication of an optical polyvinyl chloride (PVC) mold, which has microlens array or microprisms array on its surface.
Yue Li   +4 more
doaj   +1 more source

A study of blood contamination of Siqveland matrix bands [PDF]

open access: yes, 2002
AIMS To use a sensitive forensic test to measure blood contamination of used Siqveland matrix bands following routine cleaning and sterilisation procedures in general dental practice. MATERIALS AND METHODS: Sixteen general dental practices in the West of
A H Lowe   +12 more
core   +1 more source

Concurrent clean [PDF]

open access: yes, 1991
Contains fulltext : 107649.pdf (author's version ) (Open Access)
Nöcker, E.G.J.M.H.   +3 more
openaire   +2 more sources

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