Results 1 to 10 of about 117,025 (153)

A method of mild deoxydichlorination of aldehydes catalyzed by Triphenylphosphine oxide

open access: yesChimica Techno Acta, 2022
The catalytic system of triphenylphosphine oxide and phthaloyl dichloride catalysing conversion of aldehydes to 1,1-dichlorides is reported. The reaction proceeds via a P (V) catalysis manifold in which triphenylphosphine oxide turnover is achieved using
D. A. Shipilovskikh   +4 more
doaj   +1 more source

Artificial humic substances improve microbial activity for binding CO2

open access: yesiScience, 2021
Summary: Humic substances (HS) are an indicator of fertile soils, but more and more soils keep losing there humic matter. This is mostly due to anthropogenic over-cultivation.
Chunyu Tang   +4 more
doaj   +1 more source

DEVELOPMENT OF AGRICULTURAL CHEMISTRY CURRICULUM FOR STUDENTS OF SECONDARY AGRICULTURAL SCHOOLS USING THE COOPERATIVE EXPLORATORY LEARNING AND ITS EFFECTIVENESS IN THE DEVELOPMENT OFENVIRONMENTAL LITERACY [PDF]

open access: yesJournal of Environmental Science, 2017
The aim of the study was to identify the effectiveness of the development of the agricultural chemistry curriculum for the agricultural secondary students using cooperative learning on the development of their environmental enlightenment Where the ...
Mazrou, Kh. T. A.   +3 more
doaj   +1 more source

Current Contributions of Organofluorine Compounds to the Agrochemical Industry

open access: yesiScience, 2020
Summary: Currently, more than 1,200 agrochemicals are listed and many of these are regularly used by farmers to generate the food supply to support the expanding global population.
Yuta Ogawa   +4 more
doaj   +1 more source

Surface Modified Activated Carbons: Sustainable Bio-Based Materials for Environmental Remediation

open access: yesNanomaterials, 2021
Global warming and water/air contamination caused by human activities are major challenges in environmental pollution and climate change. The improper discharge of a large amount of agro-forest byproduct is accelerating these issues mainly in developing ...
Manoj Kumar Jha   +6 more
doaj   +1 more source

Proximate and ultimate controls on carbon and nutrient dynamics of small agricultural catchments [PDF]

open access: yesBiogeosciences, 2016
Direct and indirect effects from human activity have dramatically increased nutrient loading to aquatic inland and estuarine ecosystems. Despite an abundance of studies investigating the impact of agricultural activity on water quality, our understanding
Z. Thomas   +4 more
doaj   +1 more source

A Review of Key Technologies and Trends in the Development of Integrated Heating and Power Systems in Agriculture

open access: yesEntropy, 2021
Petroleum agriculture, characterized by mechanization and chemistry, is developing rapidly in China. However, petroleum agriculture has not only brought food safety problems, but also caused great obstacles to the sustainable development of society.
Xueqian Fu   +6 more
doaj   +1 more source

The Role of Analytical Chemistry in Agricultural Research: Main goals, Challenges, Demands

open access: yesCHIMIA, 2002
Analytical chemistry has always played an important role in agricultural research, but its objectives and contributions have changed over time. In this paper a description of the historical development is given.
Hans Jörg Bachmann   +4 more
doaj   +1 more source

AGRICULTURAL CHEMISTRY. [PDF]

open access: yesJournal of the American Chemical Society, 1898
n ...
openaire   +2 more sources

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