ARTICLES

Filter  
Active filters 0
Remove
  

Refine your searches by:

Collections
Biology
Agronomy and forestry
Environment
Research
Chemistry
Pure sciences
Technology
Food and nutrition
Zoology
Education
all records (59)

Languages
English
Portuguese
Spanish
German

Countries
Indonesia
USA
Brazil
Romania
Ukraine
Switzerland
Argelia
Chile
India
Italy
all records (56)

Years
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
all records (24)

Filter  
 
1.615  Articles
1 of 163 pages  |  10  records  |  more records»
Eutrophication / Fertility of waters is an event of increasing organic matter and nutrients (especially nitrogen and phosphorus elements) that accumulate in water bodies. Eutrophication can occur due to two factors, internal factors and external factors. ... see more

This study was carried out with the aim of assessing the effectiveness of four biochar materials; in reducing nitrate leaching from soils of three different textural classes in the Nigerian Savanna region. Soil samples (0-20 cm depth) were collected from ... see more

This article presents the regularities of reduction of sulfur, nitrate and nitrite ions by sulfur reducing bacteria Desulfuromonas sp., which were isolated from the water of the man-made Yavorivske Lake (Lviv Region, Ukraine), under the influence of potas... see more

The tadpoles of four amphibian species, namely the Marsh Frog (Pelophylax ridibundus), the Iranian Long-Legged Frog (Rana macrocnemis), the Caucasian Parsley Frog (Pelodytes caucasicus) and the Variable Green Toad (Bufotes variabilis), were exposed to acu... see more

Atrazine and nitrate have been shown to act as potent oxidative stressors in amphibians either alone or in combination under stable laboratory conditions, causing histopathological alternations in liver and kidney structures at the sub-lethal concentratio... see more

Microalgae are one of the natural resources that have high potential as a source of biofuels, one of them is the marine microalgae Melosira sp.. The objective of this study was to determine the effect of increasing temperature and nitrate concentration on... see more

Nitration of methyl ester from mahogany oil (Swietenia mahagoniLinn) can be produced by Methyl Ester Nitrate (MEN), an additive that is useful for increasing Cetane Numbers in diesel fuel. This study aims to determine the yield of MEN that can be produced... see more

The aim of the work was to determine the concentration of nitrites in vegetable products (tomatoes, cucumbers, white cabbage, table beet, carrot, potatoes, onion and green onion, lettuce, spinach and parsley), realized at markets of the cities Ternopil, K... see more

In our study, validation was carried out at 24 and 200 mg/kg enrichment for residue analysis of nitrate active substance only in lettuce samples. Analyses were performed by using high performance liquid chromatography (HPLC) in lettuce, spinach, salad and... see more

1 of 163 pages  |  10  records  |  more records»