Results 61 to 70 of about 1,249,363 (328)

Nitrogen isotope discrimination in open-pollinated and hybrid canola suggests indirect selection for enhanced ammonium utilization

open access: yesFrontiers in Plant Science, 2022
Nitrogen isotope discrimination (Δ15N) may have utility as an indicator of nitrogen use in plants. A simple Δ15N-based isotope mass balance (IMB) model has been proposed to provide estimates of efflux/influx (E/I) ratios across root plasma membranes, the
Yi Hu   +3 more
doaj   +1 more source

Mainstream ammonium recovery to advance sustainable urban wastewater management.

open access: yesEnvironmental Science and Technology, 2019
Throughout the 20th century, the prevailing approach towards nitrogen management in municipal wastewater treatment was to remove ammonium by transforming it into dinitrogen (N2) using biological processes such as conventional activated sludge. While this
Heidy Cruz   +7 more
semanticscholar   +1 more source

Increasing Hydrogen Density with the Cation-Anion Pair BH4−-NH4+ in Perovskite-Type NH4Ca(BH4)3

open access: yesEnergies, 2015
A novel metal borohydride ammonia-borane complex Ca(BH4)2·NH3BH3 is characterized as the decomposition product of the recently reported perovskite-type metal borohydride NH4Ca(BH4)3, suggesting that ammonium-based metal borohydrides release hydrogen gas ...
Pascal Schouwink   +4 more
doaj   +1 more source

Deposition and Transformation of Nitrogen after Soil Fumigation with Ethanedinitrile

open access: yesHortScience, 2020
A novel methyl bromide alternative, ethanedinitrile (EDN), has been reported to be efficacious against soil-borne pathogens, weeds, and plant-parasitic nematodes.
Mary C. Stevens   +2 more
doaj   +1 more source

Controlled growth of TiO2/Zeolite nanocomposites for simultaneous removal of ammonium and phosphate ions to prevent eutrophication

open access: yesFrontiers in Materials, 2022
Graphical ...
Muhammad Hamza Ashfaq   +12 more
doaj   +1 more source

Characterization of natural Yemeni zeolites as powder sorbents for ammonium valorization from domestic waste water streams using high rate activated sludge processes [PDF]

open access: yes, 2018
BACKGROUND In this study three natural Yemeni zeolites (NZ1, NZ2 and NZ3) having major minerals such as clinoptilolite and mordenite, were evaluated as low cost sorbents for the removal and recovery of ammonium ions.
Alouani, Rabeh   +4 more
core   +2 more sources

A catalyst-coated diaphragm assembly to improve the performance and energy efficiency of alkaline water electrolysers

open access: yesCommunications Engineering
Alkaline water electrolysers are ideal for gigawatt-scale hydrogen production due to the usage of non-precious metal and low-cost raw materials. However, their performances are modest with the separated electrode and diaphragm structure which can date ...
Zhuang Xu   +7 more
doaj   +1 more source

Anthocyanin Production through Callus Culture of Apple: Effect of Nitrogen Source and Concentration of Magnesium [PDF]

open access: yesمجله بیوتکنولوژی کشاورزی, 2015
Anthocyanins have attracted a great deal of attention due to their capability in protecting humans from chronic diseases. Production of natural anthocyanins from fresh plant material has many limitations. Therefore, the use of plant biotechnology for the
Farshad Kakavand, Nasser Mahna
doaj   +1 more source

Evaluation of the toxicity of ammonia polluted waters for Carassius auratus gibelio (Bloch, 1782) by the «time sampling» method

open access: yesRibogospodarsʹka Nauka Ukraïni, 2017
Purpose. To determine the possibility of performing an express-evaluation of the toxicity of ammonia polluted waters based on ethological parameters of Carassius auratus gibelio (Bloch,1782) with the use «time sampling» method. Methodology.
Е. Arystarkhova
doaj   +1 more source

A mathematical model of bacteria capable of complete oxidation of ammonium predicts improved nitrogen removal and reduced production of nitrous oxide [PDF]

open access: yes, 2017
The removal of excess nutrients from water ecosystems requires oxidation of toxic ammonium by two types of bacteria; one oxidizes ammonium to nitrite and the other oxidizes nitrite to nitrate.
Ebenhöh, Oliver, Pokhilko, Alexandra
core  

Home - About - Disclaimer - Privacy