Results 71 to 80 of about 1,918,798 (195)

Surface area changes during the calcination of ammonium uranate

, 1974
The changes in specific surface area observed during the calcination of ammonium uranate in various atmospheres have been studied using constant rate of heating, isothermal and isochronal experiments.
Woolfrey, JL
core  

EFFECT OF NITROGEN FERTILIZATION ON SUGARS, ASCORBIC ACID AND PHENOLIC COMPOUNDS IN WHITE CABBAGE (Brassica oleracea var. capitata alba L.)

Acta Scientiarum Polonorum: Hortorum Cultus, 2010
The aim of this research was to determine the influence of various forms, diverse doses, and methods of application of nitrogen fertilizers and foliar nutrition on the concentration of soluble sugars, ascorbic acid and phenolic compounds in cabbage. The 
Włodzimierz Sady, Iwona Domagała-Świątkiewicz, Stanisław Rożek   +2 more
doaj  

Quaternary Ammonium Compounds and Their Composites in Antimicrobial Applications

Advanced Materials Interfaces
Quaternary ammonium compounds (QACs) are well‐known for their antimicrobial properties, but their widespread use is limited due to suboptimal antimicrobial efficiency and safety concerns.
Yining Yao, Zilin Ye, Yue Zhang, Yue Wang, Chengzhong Yu   +4 more
doaj   +1 more source

HEALTH RISK ASSESSMENT ASSOCIATED WITH NITROGEN COMPOUNDS CONTAMINATED DRINKING WATER IN MEDIAS REGION

Studia Universitatis Babes-Bolyai Chemia, 2016
High concentrations of nitrogen compounds in drinking water may cause negative health effects. The aim of the present study was to assess the content of nitrogen compounds namely, nitrates, nitrites and ammonium in drinking waters from Medias region ...
Maria-Alexandra RESZ (HOAGHIA), Mariana Lucia ANDREI, Oana CADAR, Lacrimioara SENILA, Erika Andrea LEVEI, Dumitru RISTOIU   +5 more
doaj  

Simultaneous Removal of Chemical Oxygen Demand (COD) and Ammonium ‎from Landfill Leachate Using Anaerobic Digesters

Majallah-i Dānishgāh-i ̒Ulūm-i Pizishkī-i Bābul, 2015
BACKGROUND AND OBJECTIVE: Leachate, which contains large amounts of ammonium and hazardous organic compounds, can lead to the pollution of surface water and groundwater consequently, leachate collection and treatment are essential before discharge into ...
M Tahmasbizadeh, Abdoliman Amouei, S Golbaz, M Farzadkia, M Kermani, Mitra Gholami, H Asgharnia   +6 more
doaj  

Potentiation of acetylcholinesterase by a series of quaternary ammonium compounds

, 1968
Eleven spiran, and two non-spiran, quaternary ammonium compounds have been examined and some of these compounds found to potentiate the hydrolysis of acetylcholine by acetylcholinesterase at high substrate concentrations.
J Thomas, B D Roufogalis
core   +1 more source

Purification of landfill leachate from ammonium compounds [PDF]

, 2010
Дослiджено процес вилучення амонiйних сполук у виглядi магнiєамонiйфосфату (якi можна використовувати як цiнне комплексне мiнеральне добриво) з фiльтрату полiгону складування твердих побутових вiдходiв № 5 Київської областi.
Балакіна, М.М., Гончарук, В.В., Кучерук, Д.Д.   +2 more
core   +1 more source

Benzalkonium Chloride Poisoning in Pediatric Patients: Report of Case with a Severe Clinical Course and Literature Review

Toxics
The use of disinfectants, particularly those containing quaternary ammonium compounds (QUACs), has dramatically escalated globally since the coronavirus disease 2019 pandemic.
Viorela Nițescu, Andreea Lescaie, Dora Boghițoiu, Coriolan Ulmeanu   +3 more
doaj   +1 more source

The Quaternary Ammonium Compounds in Sanitization

American Journal of Public Health and the Nations Health, 1948
E C, McCULLOCH, S, HAUGE, H, MIGAKI
openaire   +3 more sources

Structure- pharmacokinetics relationship of quarternary ammonium compounds [PDF]

, 1983
the first part of this thesis deals with the relationship between the chemical structure and pharmocokinetic behaviour of a series of fourteeen quaternary ammonium compounds (QAC's) in the rat in vivo. ...
Neef, Cornelis, Neef, Cornelis,
core   +1 more source