Results 21 to 30 of about 870,348 (287)

Satyrium acaciae abdominalis (Gerhard, [1850]) (Lepidoptera: Lycaenidae): the systematic position on the basis of biological, morphological and molecular genetic studies [PDF]

open access: yesКавказский энтомологический бюллетень, 2012
The study of molecular genetic markers (COI and ITS2), morphological characteristics and biological features of developmental stages reveals that the taxon abdominalis Gerhard, [1850] can be considered only as a subspecies of Satyrium acaciae (Fabricius,
V.V. Tikhonov   +2 more
doaj   +1 more source

New species of spiders (Aranei) of the family Gnaphosidae from delta of the Don River [PDF]

open access: yesКавказский энтомологический бюллетень, 2015
Material for this paper was collected in the Don River delta during 2012–2015. Two new species of spiders of the family Gnaphosidae are described: Gnaphosa donensis sp.  n. and Haplodrassus ivlievi sp.  n.
A.V. Ponomarev
doaj   +1 more source

Characteristics of aerosol types and identifying the external dust sources (the case of Mashhad city, Iran) [PDF]

open access: yesE3S Web of Conferences
Aerosols, consisting of solid, liquid, and gaseous particles, emerge from both natural and humaninduced origins, impacting air quality over substantial distances. This investigation focuses on discerning dust origins in the polluted city of Mashhad, Iran.
Rashki Alireza   +2 more
doaj   +1 more source

Arid Lands Newsletter No. 09 (December 1978)

open access: yes, 1978
Algae - an Alternative Source of Protein and Biomass for Arid Zones / Amos Richmond, Avigad Vonshak -- Mikhail Platonovich Petrov, October 9, 1906-June 6, 1978 -- Anybody Want? -- Editorially Speaking: ...
University of Arizona. Office of Arid Lands Studies.
core   +4 more sources

Platypsyllus castoris Ritsema, 1869 (Coleoptera: Leiodidae) – new species from Rostov Region (Russia) [PDF]

open access: yesКавказский энтомологический бюллетень, 2013
Platypsyllus castoris Ritsema, 1869 previously noted only in Voronezh Region is found in Rostov Region (Russia) for the first time. This species was collected not on beaver, for which it was cited earlier, but on river otter (Lutra (s.
Yu.G. Arzanov   +2 more
doaj   +1 more source

A novel model for optimizing tilts of four reflectors on a flat plate thermal collector: Case study in Ouargla region

open access: yesCase Studies in Thermal Engineering, 2022
Enhancing the produced thermal energy of a flat plate thermal collector by increasing the received sunlight using reflectors is an economical solution. For this purpose, tilts optimization of four identical planar reflectors surrounding a fixed and a bi ...
Mohamed Yacine Rachedi   +4 more
doaj   +1 more source

Effect of Filter Cake and Some Biocompounds on Growth and Yield of Manfalouty Pomegranate Trees Grown in Sandy Soil [PDF]

open access: yesJournal of Plant Production, 2018
This study was undertaken during 2013 & 2014 seasons on 12-year-old Manfalouty pomegranate trees (Punica granatum L.) grown in a private orchard situated at Arab-Elawamer region, Abnoub city, Assiut Governorate, Egypt under drip irrigation system and
T. Kh. El-Bolok
doaj   +1 more source

Taxonomy of Lycaenidae (Lepidoptera: Papilionoidea) of south of Russia: molecular genetic and morphological aspects [PDF]

open access: yesКавказский энтомологический бюллетень, 2014
The author conducted a comprehensive study of mitochondrial (COI) and nuclear (ITS2) DNA loci of representatives of the family Lycaenidae (Southern Russia and the North Caucasus) and the structural features of their ...
B.V. Stradomsky
doaj   +1 more source

Foliar potassium nitrate spray induces changes in potassium- sodium balance and biochemical mechanisms in olive (Olea europaea L. cv Chemlali) plants submitted to salt stress [PDF]

open access: yesJournal of Horticulture and Postharvest Research, 2022
Purpose: Nowadays with the precipitation scarcity induced by climate change, the use of non-conventional water resources in irrigation is needed such as saline water.
Soumaya Dbara, Samia Abboud, Amani Bchir
doaj   +1 more source

New interesting records of weevils (Coleoptera: Curculionidae) on south of european part of Russia [PDF]

open access: yesКавказский энтомологический бюллетень, 2014
New data about rare weevils from south of european part of Russia (Rostov Region, Kalmykia, Adygea, Krasnodar and Stavropol Provinces) are given. New information on bionomics and biology is added for some species.
Yu.G. Arzanov
doaj   +1 more source

Home - About - Disclaimer - Privacy