Results 131 to 140 of about 705,997 (241)

Report on the 2013 Rapid Assessment Survey of Marine Species at New England Bays and Harbors [PDF]

open access: yes, 2014
Introduced species (i.e., non-native species that have become established in a new location) have increasingly been recognized as a concern as they have become more prevalent in marine and terrestrial environments (Mooney and Cleland 2001; Simberloff et ...
Cao, Yuangyu   +19 more
core   +1 more source

Physical, chemical, and mineralogical properties of agromarine waste ash

open access: yesDiscover Materials
Agro-marine waste presents environmental challenges, demanding sustainable solutions. This study explores the potential of ashes from periwinkle shells, plantain stems, and eucalyptus wood for sustainable material use. Physical analyses reveal Periwinkle
Obinna O. Barah   +4 more
doaj   +1 more source

Sustainable mechanochemical synthesis of zeolite/periwinkle shell nanocomposites for lead adsorption and antimicrobial activity

open access: yesNext Materials
Zeolite/periwinkle shell ash (Ze/PSA) nanocomposite was prepared via the mechanochemical technique and characterized by SEM/EDX, TEM, AFM, XRD, FTIR, and BET to determine its morphological, structural, and surface characteristics for Pb2 + adsorption and
Prosper Elechi   +11 more
doaj   +1 more source

Performance of Periwinkle Shell Ash Blended Cement Concrete Exposed to Magnesium Sulphate

open access: yesCivil Engineering Dimension, 2013
The study examined the compressive strength of periwinkle shell ash (PSA) blended cement concrete in magnesium sulphate medium. Specimens were prepared from designed characteristics strength of 25 MPa. The cement replacement with PSA ranged between 0 and
Umoh A.A., Olusola K.O.
doaj  

Ultrastructural features of Catharanthus roseus leaves infected with cucumber mosaic virus [PDF]

open access: yes, 2012
Catharanthus roseus var. rosea, infected with Malaysian isolate of cucumber mosaic virus (CMV-MP), exhibited leaf mosaic, leaf deformation and malformed flowers.
Hashim, Habibuddin   +4 more
core  

Gastropod classification and taxonomy [PDF]

open access: yes, 2015
Gastropods are a large and highly diversified class within the phylum Mollusca. Many gastropods possess a shell whereas some are without shells. The shelled gastropods are also called univalves.
Mohamed, K S, Venkatesan, V
core  

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