Results 51 to 60 of about 5,137,142 (194)

Amino acid uptake in Arabidopsis [PDF]

open access: yes, 2008
Nitrogen (N) is essential for all living organisms and is considered to be the limiting factor for plant growth in many ecosystems. Although generally believed to rely on mineral N to fulfill their N needs, plants have also been found to access organic N
Svennerstam, Henrik
core   +1 more source

Time-lapse synchrotron X-ray diffraction to monitor conservation coatings for heritage lead in atmospheres polluted with oak-emitted volatile organic compounds [PDF]

open access: yes, 2014
We discuss the effectiveness of a lead tetradecanoate coating on lead to protect against harmful volatile organic compounds emitted from oak. The oak volatile organic compounds were characterized by GCMS and the major constituent was found to be acetic ...
Banerjee, Dipanjan   +17 more
core   +1 more source

The effect of organic acids as leaching agents for hydrometallurgical recovery of metals from PCBs

open access: yesMetalurgija, 2022
The hydrometallurgical treatment, compared to other recycling processes, is of great interest due to its higher efficiency and better economy. In hydrometallurgy, popular agents used in the leaching processes of e-waste include inorganic acids, ammonia ...
M. Lisinska   +5 more
doaj  

Australian Organic: Market Report 2018

open access: yes, 2018
This is the sixth Australian Organic Market Report (AOMR), which aims to assist industry, governments, media, researchers, representative organisations and others to assess market status, identify potential growth areas, report on areas of significance ...
Lawson, Andrew   +7 more
core  

The contribution of research to the development of organic farming in Europe [PDF]

open access: yes, 2002
On national as well as on EU level, research funds should be directed substantially towards organic farming in order to improve the economic and ecological performance of organic farming.
Niggli, Urs
core   +1 more source

Effects of Additive for Anodizing Electrolyte on Anodic Film of High Silicon Aluminum Alloy

open access: yesInternational Journal of Electrochemical Science, 2016
High silicon aluminum alloy, Al-12.7Si-0.7Mg, is newly developed and in urgent need of surface treatment techniques. Sulfuric acid concentration, anodization temperature, anodization time and current density being fixed, three kinds of organic acids were
Yan Shang   +5 more
doaj   +1 more source

Influence des teneurs en acide malique des moûts sur le dosage de l'acide tartrique par analyse en flux continu par colorimétrie avec le métavanadate

open access: yesOENO One, 1985
Les auteurs ont constaté que la méthode en flux continu, qu'ils utilisent pour doser l'acide tartrique dans les moûts et les vins basée sur la réaction colorée avec le métavanadate et dérivée de la méthode rapide de BLOUIN-VIDAL ne donne pas satisfaction,
J. Trossais, Christian Asselin
doaj   +1 more source

Fulfilling 100% organic poultry diets: Concentrates [PDF]

open access: yes, 2015
The main dietary challenge for poultry producers is ensuring that feed fulfills the nutrient requirements of poultry, in particular with regards to protein and the correct amino acid profile.
van Krimpen, Marinus, Crawley, Kenny
core   +1 more source

Effect of Light-Emitting Diodes and Ultraviolet Irradiation on the Soluble Sugar, Organic Acid, and Carotenoid Content of Postharvest Sweet Oranges (Citrus sinensis (L.) Osbeck)

open access: yesMolecules, 2019
Mature ‘Hamlin’ sweet oranges (Citrus sinensis (L.) Osbeck) were irradiated using light-emitting diodes (LEDs) and ultraviolet (UV) light for six days after harvest. Based on evaluation of the basic ripening parameters of fruits, the contents
Linping Hu   +4 more
doaj   +1 more source

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