Results 1 to 10 of about 242,031 (247)
Nitrate and periplasmic nitrate reductases [PDF]
Chem. Soc. Rev., 2014 The nitrate anion is a simple, abundant and relatively stable species, yet plays a significant role in global cycling of nitrogen, global climate change, and human health. Although it has been known for quite some time that nitrate is an important species environmentally, recent studies have identified potential medical applications.
Courtney, Sparacino-Watkins +2 more
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Лëд и снег, 2021 The article presents analysis of the snow pollution caused by flights of the Proton launch vehicles launched from the Baikonur cosmodrome in 2009–2019. Data on 1477 snow samples collected in areas in Central Kazakhstan, southeast of Western Siberia, and ...
I. N. Semenkov +5 more
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Measurement and Comparison of Nitrate, Nitrite and Toxic Elements in First Harvest and Re-harvest Rice [PDF]
مجله پژوهشهای علوم و صنایع غذایی ایران, 2023 Introduction Rice as a staple food, especially in Asian countries, can be a major source of heavy metals. Heavy metals also enter the soils where crops grow naturally and / or through human activities.
Z. Soltan Touyeh +2 more
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Physico-Chemical Analysis of Drinking Water from the Town of Bârlad, Vaslui County
The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, 2022 The quality of drinking water was investigated in two localities from Vaslui county (Bârlad and Văleni) by comparison with a sample from Galați county.
Gina Genoveva ISTRATE +1 more
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Modification of natural clinoptilolite for the nitrate removal from water media [PDF]
Journal of the Serbian Chemical Society, 2014 The natural zeolitic tuff from the Zlatokop mine (Vranjska Banja deposit) has been investigated as a starting material for obtaining a low cost adsorbent for the removal of nitrate from water media.
Pavlović Jelena B. +2 more
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Acta Crystallographica Section E Structure Reports Online, 2012 In the title mol-ecular salt (systematic name: 3-{2-[4-(6-fluoro-1,2-benzoxazol-3-yl)piperidin-1-yl]eth-yl}-9-hy-droxy-2-methyl-1,6,7,8,9,9a-hexa-hydro-pyrido[1,2-a]pyrimidin-4-one nitrate), C(23)H(29)FN(4)O(3) (+)·NO(3) (-), the piperidine ring displays a chair conformation and its N atom is protonated; the N-H bond is in an axial orientation.
Jingshui Ge, Yang-Hui Luo
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Changes of Nutritive Elements in Soils That Medium-Supplied With Phosphorus, Depending on Fertilizers Used in Cotton Agrocenosis [PDF]
BIO Web of Conferences, 2023 The aim is to increase the mobile nutrient content in the soil by applying optimal nitrogen and potassium fertilizers without the use of phosphorus fertilizers on irrigated typical gray soils moderately supplied with mobile phosphorus.
Sattarov Djurakul +2 more
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Revista Brasileira de Engenharia Agrícola e Ambiental, 2008 Analisar o efeito da temperatura e umidade do solo nos processos de mineralização e nitrificação do nitrogênio e comparar as concentrações de nitrato e amônio, simuladas pelo modelo SIMASS-C, com aquelas obtidas experimentalmente, foi o objetivo que ...
Felizardo A. Rocha +4 more
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Revista Brasileira de Engenharia Agrícola e Ambiental, 2007 Objetivou-se, com este trabalho, avaliar a influência do tamanho dos agregados de um Latossolo Vermelho distrófico sobre as transformações e transporte do amônio e do nitrato em condições de presença e ausência de atividade biológica.
Fábio C. Coelho +3 more
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Revista Brasileira de Engenharia Agrícola e Ambiental, 2008 Este trabalho visa realizar modificações no modelo de transporte de soluto no solo SIMASS-C, permitindo-lhe simular as concentrações do nitrato e amônio no solo, considerando-se as transformações biológicas e o efeito da temperatura e do teor de água do ...
Felizardo A. Rocha +4 more
doaj +1 more source