Results 11 to 20 of about 900,993 (312)
Yankuang ceshi, 2016 The present methods for the determination of heavy metals in soil by Inductively Coupled Plasma-Mass Spectrometry(ICP-MS) have many disadvantages including an inappropriate decomposition process and the parameters of instruments requiring optimization.To
LI Zi-qiang +4 more
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Записки Горного института, 2022 The article presents a theoretical and experimental substantiation of the method of directional unloading of the reservoir in fields with low-permeability reservoirs. The relevance of the article is due to the reduction of hydrocarbon resources in modern
Vladimir I. Karev +3 more
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Exploring transformative journeys through a higher education programme in a further education college [PDF]
, 2018 This article describes a research project designed to understand the experiences of students undertaking higher education in a further education setting in the UK.
Lavender, Peter, Rocks, Eddie
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Journal of Marine Science and Engineering, 2023 Rocky seabeds, as an integral part of ecotopes in marine ecosystems, are actively inhabited by diatoms and cyanobacteria. It is currently unknown whether the element contents in the surface layer of seabed rocks affect the epilithon species composition ...
Anastasiia Blaginina +6 more
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Suitability of basalt raw materials of the Kyrgyz Republic for the production of superthin and continuous fibers [PDF]
Нанотехнологии в строительстве, 2023 : Introduction. Literature analysis and patent search revealed that basalt rock and its fibers have exceptional physical and technical characteristics and alongside abundant raw material reserves.
Akymbek A. Abdykalykov +4 more
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Formation of synthetic structures and textures of rocks when simulating in COMSOL Multiphysics
Горные науки и технологии, 2021 Rock texture and structure play an important role in the formation of the rock physical properties, and also carry information about their genesis. The paper deals with the simulation of geometric shapes of various structures and textures of rocks by the
Aleksandr S. Voznesensky +1 more
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Geosciences, 2020 Mamuju is a region of Indonesia with relatively high exposure to natural radiation. Since 2012, Mamuju has been a uranium and thorium exploration area.
Ilsa Rosianna +6 more
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Determination of ferrous iron in rock and mineral samples by three volumetric methods [PDF]
Bulletin of the Geological Society of Finland, 1993 Ferrous iron was determined by three volumetric methods in 13 in-house reference rock samples and in 31 international geological reference samples. The methods used were Amonette & Scott' s oxidimetric method, Wilson's oxidimetric method and Pratt's ...
R.J. Saikkonen, I.A. Rautiainen
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Better by design: Business preferences for environmental regulatory reform [PDF]
, 2015 We present the preferences for environmental regulatory reform expressed by 30 UK businesses and industry bodies from 5 sectors. While five strongly preferred voluntary regulation, seven expressed doubts about its effectiveness, and 18 expressed no ...
Angus, Andrew +3 more
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Grain size distribution of waste rock masses of Kuzbass coal strip mines
Горные науки и технологии, 2021 Grain size distribution as a structural characteristic of waste rock and bulk masses in the course of mining and construction works acquires quantitative values in the process of rock blasting and hauling of rock mass.
Sergey O. Markov +2 more
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