Results 41 to 50 of about 5,481,751 (393)

Application of the concept of design space in method development for the determination of contaminants in soil [PDF]

open access: yesProceedings of the Estonian Academy of Sciences
The analysis of polycyclic aromatic hydrocarbons and polychlorinated biphenyls is an important topic in environmental analysis, and several analysis procedures have already been proposed.
Jelena Jurjeva, Mihkel Koel
doaj   +1 more source

Molecular Materials Chemistry [PDF]

open access: yes, 2022
This Annual Report covers from 1 January to 31 December ...

core  

Analysis of the relationship between students’ argumentation and chemical representational ability: a case study of hybrid learning oriented in the environmental chemistry course

open access: yesChemistry Teacher International, 2023
Engaging students in collaborative learning fosters the expression of ideas, deepens understanding, and hones argumentation skills. Argumentation is pivotal, and instructors should facilitate opportunities for its practice.
Ramadhani Dimas Gilang   +3 more
doaj   +1 more source

Transport of titanium dioxide nanoparticles in saturated porous media under various solution chemistry conditions [PDF]

open access: yes, 2012
Because of its wide applications, nanosized titanium dioxide may become a potential environmental risk to soil and groundwater system. It is therefore important to improve current understanding of the environmental fate and transport of titanium oxides ...
Bai, Wei   +7 more
core   +2 more sources

Higher education 4.0: assessment on environmental chemistry course in blended learning design

open access: yesJournal of Physics: Conference Series, 2018
This study was intended to determine the readiness of blended learning implementation and how to do a meaningful assessment on environmental chemistry course in blended learning design.
D. Muawiyah   +2 more
semanticscholar   +1 more source

Decoding the Molecular Universe -- Workshop Report [PDF]

open access: yesarXiv, 2023
On August 9-10, 2023, a workshop was convened at the Pacific Northwest National Laboratory (PNNL) in Richland, WA that brought together a group of internationally recognized experts in metabolomics, natural products discovery, chemical ecology, chemical and biological threat assessment, cheminformatics, computational chemistry, cloud computing ...
arxiv  

Toxicology, environmental chemistry, ecotoxicology, and One Health: definitions and paths for future research

open access: yesFrontiers in Environmental Science
The definitions of toxicology, environmental toxicology, environmental chemistry, environmental risk, and ecotoxicology are closely related and sometimes used as synonyms, whereas One Health is a more recent, complementary concept.
Sébastien Sauvé
doaj   +1 more source

Estado da arte da cromatografia gasosa de alta resolução e alta temperatura State of the art of high temperature high resolution gas chromatography

open access: yesQuímica Nova, 2000
The developments in stationary phase synthesis and capillary column technology, have opened new perspectives in analysis of high molecular mass compounds (³600 daltons) and thermolabile organic compounds by High Temperature High Resolution Gas ...
Alberto dos Santos Pereira   +1 more
doaj   +1 more source

Multi-year Study of Environmental Stability of Ti$_3$C$_2$T$_x$ MXene Films [PDF]

open access: yesarXiv, 2023
MXenes are a family of two-dimensional (2D) carbides and nitrides that display extraordinary electrical, optical, chemical, and electrochemical properties. There is a perception that MXenes are unstable and degrade quickly, limiting potential applications and requiring specific storage conditions to last for a long time.
arxiv  

Evaluating the origin and spread of spotted lanternfly (Lycorma delicatula) in Japan

open access: yesPopulation Ecology, EarlyView.
The invasive spotted lanternfly (Lycorma delicatula) is native to China and is a serious economic pest in the Republic of Korea and the United States, though it is not considered a pest in Japan. We established a distribution map of L. delicatula in Japan through a comprehensive review of published literature and citizen science reports and analyzed ...
Matthew T. Kamiyama   +5 more
wiley   +1 more source

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