Results 21 to 30 of about 3,315 (172)
RUDN Journal of Ecology and Life Safety, 2018 Long investigations were fulfilled by authors in the region of Urals where ecological dangerous negative geodynamical karst processes are wide spread, because 40% of territory consists of limestone, dolomites, marls, gypsum, anhydride and stone salt. The
Arkadij Yakovlevich Gayev +1 more
doaj +1 more source
Effects of Microplastics on Reproduction and Growth of Freshwater Live Feeds Daphnia magna
Fishes, 2022 In recent years, much research has focused on studying the damage caused by microplastics to the ecological environment and human health. Indeed, MPs are often consumed by shellfishes and zooplanktons due to their similarity in size to POM (particular ...
Chih-Hsiung Huang +5 more
doaj +1 more source
The Structure of the Biosphere from the Point of View of the Concept of the Biogeome
EncyclopediaThe authors propose considering the structure and evolutionary changes in the biosphere from the standpoint of a biogeomics approach. It is necessary to study biogeomes as systems of ecosystems that are similar in their structural and functional ...
Alexander Protasov, Sophia Barinova
doaj +1 more source
Известия Томского политехнического университета: Инжиниринг георесурсов, 2017 The relevance of the discussed issue. Studying the anthropogenic evolution and transformation of underground hydrosphere within urbanized territories is the relevant issue nowadays.
Grigoriy Sergeevich Lonshakov +1 more
doaj +2 more sources
Wave structures in complex continuous media including atmosphere, hydrosphere and space plasma
Физика волновых процессов и радиотехнические системы, 2019 Тhe results of theoretical and numerical study of the structure and dynamics of 2D and 3D solitons and nonlinear waves described by the generalized equations of the Belashov Karpman system (such as the Kadomtsev Petviashvili and the 3-DNLS classes of ...
V.Yu. Belashov +2 more
doaj +1 more source
FishesRed coloring determines the commercial value of blood parrot cichlids (Vieja melanurus × Amphilophus citrinellus). While synthetic astaxanthin (SA) is commonly used to improve hue, its expensive cost has prompted the quest for more sustainable ...
Soko Nuswantoro +5 more
doaj +1 more source
Digital models for assessing the impact of aeration processes on reservoir aquaculture [PDF]
BIO Web of ConferencesThe dissolved oxygen level in a water body is one of the problems affecting all its processes and living organisms. The article identifies the problems associated with insufficient oxygen concentration in water and affecting the ecosystem both within a ...
Vladislavovna Beresneva Yana +1 more
doaj +1 more source
Drug Testing and Analysis, EarlyView.Short‐term codeine administration (1–3 days) caused individual alterations in Athlete Biological Passport steroid markers, including elevated urinary T/E ratios and decreased serum testosterone concentrations below individual thresholds, despite no significant changes at the group level.
Alexander Andersson +5 more
wiley +1 more source
A QUÍMICA AMBIENTAL NO BRASIL NOS 40 ANOS DA SBQ
Química NovaThis paper aims to present an overview of the ongoing of the Brazilian environmental chemistry over the last forty years inserted in the context of the Brazilian Chemical Society (SBQ).
Maria C. Canela +2 more
doaj +1 more source
Supersensitive Detector of Hydrosphere Pressure Variations
Sensors, 2020 This paper presents an instrument based on an equal-arm Michelson interferometer and a frequency-stabilized helium-neon laser. It is designed to record hydrosphere pressure variations in the frequency range from 0 (conventionally) to 1000 Hz, with ...
Grigory Dolgikh +3 more
doaj +1 more source