Results 11 to 20 of about 191,401 (256)

EVALUATION OF SOME AMMONIUM COMPOUNDS AS OLFACTORY STIMULANTS FOR ZIZYPHUS FRUIT FLY Carpomya incompleta (DIPTERA:TEPHRITIDAE) IN CHRIST'S THORN ORCHARDS AT QASSIM, SAUDI ARABIA [PDF]

open access: yesJournal of Plant Protection and Pathology, 2014
The present investigation aims to evaluate the efficacy of six ammonium compounds (tri-ammonium phosphate, ammonium carbonate, ammonium acetate, ammonium chloride, ammonium thiocyanate and ammonium dihydrogen phosphate) as lures for the adults of ...
A. Fouly   +3 more
doaj   +1 more source

Synthesis of a Metal Oxide by Forming Solvate Eutectic Mixtures and Study of Their Synthetic Performance under Hyper- and Hypo-Eutectic Conditions

open access: yesCrystals, 2020
The synthesis of YBa2Cu3O7−x (YBCO or 123) superconductor was carried out under hyper- and hypo-eutectic conditions with different ammonium compounds, i.e., ammonium nitrate, formate, acetate, carbonate, bicarbonate, and tetramethylammonium nitrate.
Omar Gómez Rojas   +2 more
doaj   +1 more source

RESPONSE OF THE OLIVE FRUIT FLY, Bactrocera oleae ROSSI TO SOME AMMONIUM COMPOUNDS AND CERTAIN FOOD ATTRACTANTS UNDER FIELD CONDITIONS IN OLIVE ORCHARDS [PDF]

open access: yesJournal of Plant Protection and Pathology, 2012
The olive fruit fly, Bactrocera oleae Rossi is a serious pest attacking olive fruits causing a quantitive and qualitative damages. The response of olive fruit fly adults to some ammonium compounds and certain food attractants was evaluated under field ...
M. El-Metwally
doaj   +1 more source

Development of novel effective agents from 1H-indolylammonium trifluoroacetates effective against conditionally pathogenic microorganisms [PDF]

open access: yesResearch Results in Pharmacology, 2022
Introduction: The problem of antibiotic resistance of microorganisms is becoming more urgent in the twenty-first century. More and more pathogenic microbes are becoming resistant to two or more antibiotics. This problem has become worse into the COVID-19
Irina S. Stepanenko   +4 more
doaj   +3 more sources

Hygroscopicity of organic compounds from biomass burning and their influence on the water uptake of mixed organic ammonium sulfate aerosols [PDF]

open access: yesAtmospheric Chemistry and Physics, 2014
Hygroscopic behavior of organic compounds, including levoglucosan, 4-hydroxybenzoic acid, and humic acid, as well as their effects on the hygroscopic properties of ammonium sulfate (AS) in internally mixed particles are studied by a hygroscopicity tandem
T. Lei   +4 more
doaj   +1 more source

Changes of inorganic nitrogen compounds concentration in a mining enterprise wastewater by the microalgae Chlorella vulgaris

open access: yesVestnik MGTU, 2023
Wastewater contamination by nitrogen compounds is a serious problem for the mining, industrial and utility companies. Nitrogen can enter quarry effluent when explosives containing ammonium nitrate are used in blasting operations.
Shcheglov G. A.
doaj   +1 more source

Ammonium toxicity and potassium limitation in yeast. [PDF]

open access: yesPLoS Biology, 2006
DNA microarray analysis of gene expression in steady-state chemostat cultures limited for potassium revealed a surprising connection between potassium and ammonium: potassium limits growth only when ammonium is the nitrogen source.
David C Hess   +3 more
doaj   +1 more source

Synthesis of Novel Quaternary Ammonium Salts and Their in Vitro Antileishmanial Activity and U-937 Cell Cytotoxicity

open access: yesMolecules, 2016
This work describes the synthesis of a series of quaternary ammonium salts and the assessment of their in vitro antileishmanial activity and cytotoxicity.
Sandra M. Duque-Benítez   +6 more
doaj   +1 more source

Groundwater chemistry, pollution, and health risk assessment for nitrogen compounds. A case study in a suburban region of Romania

open access: yesRomanian Journal of Ecology & Environmental Chemistry, 2022
As groundwater is used as a source of drinking water, monitoring its quality is essential due to possible adverse effects on human health. Nitrogen compounds (nitrates, nitrites, ammonia) within certain concentration limits are natural components of the ...
Nicoleta Vasilache   +8 more
doaj   +1 more source

Effectiveness Buminal-Ammonia Mixtures on Attraction of the Mediterranean Fruit Fly, Ceratitis capitata with Particular Emphasis on their Hidrogenionic Potential (pH) [PDF]

open access: yesJournal of Plant Protection and Pathology, 2021
Food bait which is rich in nitrogen has an intensive impact on physiology and behavior of fruit flies. Addition of ammonia to food baits can improve their effectiveness and the pH-level of these baits plays an important role in attracting fruit flies ...
Rania Alhussieny   +3 more
doaj   +1 more source

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