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السجلات المعروضة 7981 -- 7990 من 11206
Poly-carboxylic acids functionalized chitosan nanocarriers for controlled and targeted anti-cancer drug delivery
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Elsevier Masson SAS
, 2016 , Article)
The present study evaluates the in-vitro cisplatin (CDDP) release from four different poly oxalates cross-linked chitosan (CS) nanocomposites. The poly oxalates were synthesized from the reaction of four different dicarboxylic ...
Enhancing thermal and mechanical response of aluminum using nanolength scale TiC ceramic reinforcement
(
Elsevier Ltd
, 2018 , Article)
the present work, nano-sized titanium carbide (0.5, 1.0 and 1.5 vol%) reinforced aluminum (Al) metal matrix composites were synthesized by powder metallurgy incorporating microwave sintering and hot extrusion. Microstructural, ...
Post-failure repair for cloud-based infrastructure services after disasters
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Elsevier B.V.
, 2017 , Article)
Cloud infrastructure services allow organizations to outsource their computing, storage, and networking needs to external providers. These offerings use network virtualization to provision customized, interconnected resource ...
Microalgae harvesting by pH adjusted coagulation-flocculation, recycling of the coagulant and the growth media
(
Elsevier Ltd
, 2016 , Article)
Coagulation-flocculation can be considered as one of the least energy intensive microalgae biomass harvesting processes. However, cost of the coagulant and biomass contamination are two critical issues that need to be ...
Long-term semi-continuous cultivation of a halo-tolerant Tetraselmis sp. using recycled growth media
(
Elsevier Ltd
, 2019 , Article)
In this study, a halotolerant Tetraselmis sp. was selected for 11-month outdoor semi-continuous cultivation in one sq. m raceway tank in the Qatari desert. A fraction of the culture was harvested using ferric chloride, and ...
Comparison between microwave and conventional sintering on the properties and microstructural evolution of tetragonal zirconia
(
Elsevier Ltd
, 2018 , Article)
In this research, the comparison between microwave sintering and conventional sintering on the mechanical properties and microstructural evolution of 3 mol% yttria-stabilised zirconia were studied. Green bodies were compacted ...
Random number of units for K-out-of-n systems
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Elsevier Inc.
, 2017 , Article)
This paper takes up the reliability and preventive replacement problems for a K-out-of-n system, where K is a stochastic parameter provided. Firstly, we consider the case when K is predefined as constant numbers as is done ...
Evidence of thermo and halotolerant Nannochloris isolate suitable for biodiesel production in Qatar Culture Collection of Cyanobacteria and Microalgae
(
Elsevier
, 2016 , Article)
The isolation of autochthonous microalgae, with high lipid-contents and biomass productivities is a crucial aspect of the development of commercial production of microalgae-based biodiesel as well as food security in ...
Experimental and analytical study on strengthening of reinforced concrete T-beams in shear using steel reinforced grout (SRG)
(
Elsevier Ltd
, 2019 , Article)
The use of steel reinforced grout (SRG) has emerged as a promising technique for the strengthening and retrofitting of reinforced concrete (RC) structures, however, the experimental evidence on its application for ...
Detection, classification, and estimation in the (t, f ) domain
(
Elsevier Inc.
, 2016 , Book chapter)
Several studies involving real-life applications have shown that methods for the detection, estimation, and classification of nonstationary signals can be enhanced by utilizing the time-frequency ((t,f)) characteristics ...