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Các bài báo tiêu biểu
Assessment of particulate matter and particle path trajectory analysis using a HYSPLIT model over Dire Dawa, Ethiopia
- 2024
This work deals with the assessment of particulate matter (PM1, PM2.5, and PM10) over Dire Dawa during the month of May 2021. In the study, purple sensor (PS) and gravimetric methods (GM) were used. The purple sensor was to provide real-time measurements of PM1.0, PM2.5, and PM10 particulates. The GM instruments were constructed using wood with 1 m height (distance to ground), with flat board on t......
Cellulose based adsorbent for cationic methylene blue dye removalAbstract New chemically amended (sodium periodate cellulose nanoparticle (NaIO4 -CNP) adsorbent material was synthesized from dried fibers of cotton. The synthesized NaIO4 -CNP adsorbent material was characterized for functional groups, crystallite size, surface morphology, morphological structure, and particle size) by using ... ...
Tập 6 Số 2
Online learning for DBC segmentation of new IGBT samples based on computed laminography imaging Abstract Insulated gate bipolar transistor (IGBT) is a power semiconductor module .Voids may arise in its solder process when a contaminant or gas is absorbed into the solder joint. They heavily influence the heat exchange efficiency of IGBT, so void inspection is very important. The segmentation of solder region is a crucial step for automated defect detection of I... ...
Dynamic Neural Assimilation: a deep learning and data assimilation model for air quality predictions Abstract Ambient air pollution is known to be a serious issue that has an impact on human health and the environment. Assessing air quality is of the utmost importance to protect human health and the environment. Different tools are available, from monitoring stations to complex models. These systems are capable of accurately predicting air quality levels, but they ... ...
Incorporating sea sand into self-compacting concrete: a systematic review Abstract The increasing demand for river sand, driven by infrastructure development, poses environmental challenges. The study aims to address the depletion of river sand by integrating sea sand as a fine aggregate in the production of Self-Compacting Concrete (SCC) through a Systematic Literature Review. Furthermore, it includes an in-depth bibliographic analysis o... ...
Thermal degradation of emerging pollutants in municipal solid wastes and agro wastes: effectiveness of catalysts and pretreatment for the conversion of value added productsAbstract In this study, emerging soil pollutants in the form of municipal solid waste (MSW) and agricultural waste were converted into biofuel via thermal degradation process. Among various waste-to-energy conversion processes, the pyrolysis of biomass is considered the most significant due to its maximum biofuel yield than other conversion techniques. Individual an... ...
Tập 6 Số 4
Simulation test on shaft deformation induced by mining subsidence under similar gravity field in deep soil strata Abstract Many shafts in China have experienced large deformations in the deep soil Strata, which has had a significant impact on mining safety. This study conducted a geotechnical model test called the seepage force model to address the deformation issues of shafts caused by mining solid mineral resources in regions with deep soil strata. This test simulated the imp... ...
PLA-HA/Fe3O4 magnetic nanoparticles loaded with curcumin: physicochemical characterization and toxicity evaluation in HCT116 colorectal cancer cellsAbstract Colorectal cancer (CRC) is the third most common, harmful, and universal cancer and the second lethal type. This paper discusses the therapeutic potential of curcumin, a significant curcuminoid found in the substructure of plant Curcuma longa (turmeric), against CRC. Curcumin has the ability to disrupt a variety of cellular signal... ...
Tập 6 Số 4
Contributions of the Brazil’s National Institute for Space Research (INPE) to emergency response in the International Space and Major Disasters CharterAbstract Brazil participates, through the National Institute for Space Research (INPE), in the International Charter Space and Major Disasters—Disasters Charter, an international cooperation effort to provide satellite images of major disasters around the world. The Disasters Charter is a joint and voluntary cooperative effort of 17 members. The characteristics of h... ...
Tập 6 Số 4