Freeze-dried, granular sugar baits containing boric acid as the toxicant were evaluated against house flies, Musca domestica L., in two bioassays with toxicant dose ranges of 3, 5, 7, 8, and 12%, and 3, 5, 9, 17, and 33% boric acid, respectively, calculated and expressed on a dry weight basis. Flies in bioassay 1 were mixed sex and unstarved and flies in bioassay 2 were females only and starved...

Abstract Boric acid is a significant radioactive waste generated during the operation of nuclear power plants. Cementitious materials have been widely studied for immobilization boric acid. The generally used natural has replaced by enriched geochemical reasons and are expected to varied behaviors in cementitious matrices. Results showed that simulated enriched/natural liquid wastes mostly cont...

Ž Ž . . Ž Ž .y. Dissolved boron in seawater occurs mainly in the form of boric acid B OH and borate B OH . While the 3 4 equilibrium properties of the dissociation of boric acid have been studied in detail, very little work has focused on the kinetics of the boric acid–borate equilibrium in seawater. Here, we present a theoretical study of the relaxation of the w Ž . seawater borate–carbonate s...

some chemicals used by human such as food additives are mutagenic and mutagenicity effects analysis of them is very important because of considerable consumption by man. one of the most common methods used in the recognition of the chemicals' mutagenicity is salmonella typhimurium reverse mutation (ames) test. the purpose of the present study is mutagenicity effects analysis of sodium nitrite, ...

Wood-based carbon fiber derived from liquefied wood has the disadvantages of low mechanical strength and unstable performance. To improve its mechanical properties, wood-based carbon fiber precursors were impregnated with 5 wt.% and 8 wt.% boric acid solutions for 1 h and then carbonized at 900 °C for 1 h. The effect of boron content on fiber tensile strength and microstructure was investigated...

the objective of this study was to evaluate the performance of male broiler chickens in the period from 21 to 42 days of age fed diets with increasing levels of sunflower meal (sm) supplemented with an enzyme complex (ec). a total of 1920 animals of the cobb strain were distributed in a randomized block design in a 4 × 3 factorial arrangement (four sm levels and three enzymes utilization types)...

Freeze-dried, granular sugar baits containing boric acid as the toxicant were evaluated against house ßies,Musca domesticaL., in two bioassays with toxicant dose ranges of 3, 5, 7, 8, and 12%, and 3, 5, 9, 17, and 33% boric acid, respectively, calculated and expressed on a dry weight basis. Flies in bioassay 1 were mixed sex and unstarved and ßies in bioassay 2 were females only and starved 4 h...

a computational study of the electronic structure and stability of complexes formed between zeolite y and boric acid was carried out at the hf and b3lyp levels using 6-31g* basis set. five structures located as local minimum in pes of complex (structures d, e, f, g, and h). the most stable structure is formed due to hydrogen bonding between two hydroxyl of boric acid and both oxygen of ...

Recent studies have revealed that boron compounds can be effective in the treatment of obesity, which is known to one most dangerous and complex health problems this age. In study, therapeutic effect molecules diet on obesity was investigated.
 For purpose, effects Total Antioxidant Status (TAS), Oxidant (TOS), High Density Lipoprotein (HDL) levels paraoxanase (PON) activity were investiga...