the aim of this study was to investigate the barrier properties of cellulose nanocrystals-pvananocomposites. nanocomposite films with different filler loading levels (3, 6, 9 and 12% by wt) weredeveloped by solvent casting method. the effect of cellulose nanocrystals on the barrier properties ofthe nanocomposites was studied. to this end, moisture absorption, water vapor permeability (wvp),oxyg...

normal 0 false false false en-us x-none fa microsoftinternetexplorer4 background: as the fertility is a sociological factor, there are a lot of factors and problems that can affect on fertility and change it. women employment can have an important effect on fertility. although women employment in society are in need due to their sociological and economical roles but the facilities for taking ca...

in this research, moisture sorptions of sayer date were determined at 20, 30, 40 and 60°c, using the standard static gravimetric method developed by the european cooperation project cost 90. several mathematical models, namely gab, bet, iglesias & chirif and halsey were employed to fit the experimental data through non-linear regression. results indicate that equilibrium moisture content increa...

abstract: the first period of abbasi dynasty is one of the glorious periods of islamic culture and civilization, which is known as the golden era of islamic culture and civilization. because in this era the power and riches of abbasi dynasty increased so high that led the islamic civilization grow in the various fields of science, literature and art especially music. while pretending as firm re...

the aim of this research was to survey of using soy protein isolates and tragacanth gum as egg substitutes in mayonnaise formulation. the mayonnaise prepared with difierent compositions of soy protein isolate, egg, and tragacanth by applying the optimal mixture design method and effect of this substitution on its stability, heat stability, viscosity, texture, physicochemical and sensory charact...

detopping in some plants reduces vegetative growth and increases transporting of photosynthate materials to specific sinks such as seeds. to study the effects of detopping removal and plant density on yield and yield components of faba bean (vicia faba l.), an experiment was carried out as a factorial arrangement based on a randomized complete block design with three replications at farm resear...

rice (oryza sativa l.) is one of the iran's most strategic crops with water shortage as the most important abiotic stress limiting its yield. in the present research the effects of: variety, water regime, nitrogen (n) and phosphorus (p) levels on n, p and k uptake were studied under greenhouse conditions. the experiment design was a factorial one based upon a randomized complete blocks of ...

the present experiment was conducted to determine nutritional values of wild pistachio trees (p. khinjuk) leaves it's use it in the diet of sheep. initially chemical composition of p. khinjuk leaf was determined. the diets containing 0, 5, 10, 15, 20, 25 and 30% of p. khinjuk leaf were prepared and used for sheep to determine the best replacement level of it with corn silage. fermentation ...

to study the effects of biofertilizers on physiological and morphological characteristics, as well on essential oil content in dragonhead (dracocephalum moldavica), an experiment was conducted at tarbiat modares university in 2009. the studied factors were: vermicompost (0, 15, 30% v/pot), azotobacter (inoculated and non-inoculated), and phosphatic biofertilizer (inoculated and non-inoculated)....

imidazo[2,1-b]thiazoles are obtaind in excellent yields from the addition reaction between thiohydantoin and ethylbromopyruvate.  these imidazo[2,1-b]thiazoles in the presence of p-tsa in boiling toluene refluxed for 2.5 hours led to imidazo[2,1-b]thiazole-3-carboxylates in elimination reactions