Results 131 to 140 of about 672,871 (380)
Publisher Summary This chapter focuses on ammonia assimilation and discusses the mechanisms by which the ammonia produced is incorporated into organic compounds. Nitrate and dinitrogen gas, two of the major sources of inorganic nitrogen available to plants, are reduced to ammonia before the nitrogen is incorporated into organic matter.
Miflin, B. J., Lea, P. J.
openaire +2 more sources
Leveraging the numerous advantages of ammonium‐ion (NH₄⁺)—including cost‐effectiveness, low corrosiveness, preferential orientation, and rapid diffusion kinetics—aqueous NH₄⁺ batteries (AAIBs) have gained significant attention. This review highlights and evaluates the progress of AAIBs utilizing organic electrode materials such as small molecules ...
Mangmang Shi, Xiaoyan Zhang
wiley +1 more source
Evaluation of a spacecraft nitrogen generator [PDF]
An experiment was completed to demonstrate that low ammonia concentrations in the product nitrogen stream are possible using the staging concept. Mixtures of nitrogen, hydrogen and ammonia were fed into a temperature controlled packed bed ammonia ...
Knebel, W. J., Marshall, R. D.
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Method for monitoring urea and ammonia in wine and must by flow injection-pervaporation [PDF]
An easy to automate flow-injection-pervaporation method for monitoring urea and ammonia in must and wine was developed. The method is based on separation of the ammonia from the sample matrix by pervaporation followed by its reaction with salicylate ...
Almy+15 more
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Spray‐Assisted Fabrication of Cellulose Photonic Pigments on Superhydrophobic Surfaces
A method to directly produce structurally colored microparticles by drying cholesteric cellulose nanocrystal microdroplets on a superhydrophobic surface is reported. This approach has several key advantages that can unlock large‐scale fabrication of sustainable photonic pigments, including exploiting existing industrial techniques (e.g. aerosolization),
Jianing Song+7 more
wiley +1 more source
Ammonia in circumstellar environment of V Cyg [PDF]
The HIFI instrument on board of the Herschel Space Observatory (HSO) has been very successful in detecting molecular lines from circumstellar envelopes around evolved stars, like massive red supergiants, Asymptotic Giant Branch (AGB) and post-AGB stars, as well as planetary nebulae.
arxiv
A scalable and flexible library of natural, renewable tea polyphenol, and amino acid condensate colloidal spheres, synthesized via a one‐step process, facilitates the preparation of ultra‐high drug‐loading nanomedicines with precise size control and uniform dispersion using continuous‐flow microfluidics.
Zeng Yi+8 more
wiley +1 more source
Analysis of Risk Factors for Postoperative Delirium After Liver Transplantation
Junguo Chen, Hao Wang, Zhijun He, Ting Li Department of Organ Transplantation, The Second Xiangya Hospital, Central South University, Changsha, People’s Republic of ChinaCorrespondence: Ting LiLiver Transplantation, The Second Xiangya Hospital, No.
Chen J, Wang H, He Z, Li T
doaj
The Mechanism of the Catalytic Combustion of Ammonia [PDF]
Max Bodenstein
openalex +1 more source