نتایج جستجو برای: Total acid number
تعداد نتایج: 2467259 فیلتر نتایج به سال:
abstract previous researches have shown success of growth hormones usage on flower production increase, pod and prevention of abscission of them in some of the pulses. two tests were done, in order to find out the effects of growth hormones to on flower production increase, pod and chick pea yield composites in farmer conditions (2010-11) and green house conditions as factorial on the proje...
sour cherry and orange juice were successfully cryoconcentrated. novel clarification (electro-flotation and ultra-filtration) improved cryconcentration efficiency. ef-uf clarified sour cherry and orange juices were cryoconcentrated in three stages up to 34.52±0.14, 44.42±0.19, 52.44±0.13 and 28.43±0.16, 40.51±0.15, and 45.42±0.19° brix at -10˚c respectively. duncan's multiple range test was use...
a simple, sensitive and selective method for solvent extraction and spectrophotemetric determination of lanthanum (ii) europium (iii), and cerium (iii) is described , the rare earth metals are extracted into chloroform solution of n-phenylbenzohydroxamic acid (pbha) at ph 9-10 various parameters are studied to optimize the extraction conditions. the molar absorptivity is found to increase from ...
the following null hypothesis was proposed: h : there is no significant difference between the use of semantically or communicatively translates scientific texts. to test the null hypothesis, a number of procedures were taken first, two passages were selected form soyrcebooks of food and nutrition industry and gardening deciplines. each, in turn, was following by a number of comprehension quest...
The aim of this study is to explore the capability of subcritical methanol to reduce the acidity of naphthenic acids and to determine reaction kinetics for large-scale reactor design.The experiments were carried out in a 25 mL autoclave reactor (China) at temperatures of 70-120oC, Methanol Partial Pressures (MPPs) of 0.1-1.5 MPa, and reaction times of 0-60 min. The total...
let $g=(v(g),e(g))$ be a graph, $gamma_t(g)$. let $ooir(g)$ be the total domination and oo-irredundance number of $g$, respectively. a total dominating set $s$ of $g$ is called a $textit{total perfect code}$ if every vertex in $v(g)$ is adjacent to exactly one vertex of $s$. in this paper, we show that if $g$ has a total perfect code, then $gamma_t(g)=ooir(g)$. as a consequence, ...
given a graph $g$, the total dominator coloring problem seeks aproper coloring of $g$ with the additional property that everyvertex in the graph is adjacent to all vertices of a color class. weseek to minimize the number of color classes. we initiate to studythis problem on several classes of graphs, as well as findinggeneral bounds and characterizations. we also compare the totaldominator chro...
نقش فزاینده رادیکال های آزاد و اکسید کننده های وابسته در فرایند پیری و بیماری زایی آشکار شده است ، نظر به افزایش روز افزون مقدار رادیکال های آزاد در سیستم حیاتی، استفاده از آنتی اکسیدان ها جهت جلوگیری از اثرات مخرب آنها اهمیت می یابد. بررسی تحقیقات انجام شده در زمینه قدرت آنتی اکسیدانی میوه ها و سبزیجات، انار را در گروه میوه های مهم واجد اثرات آنتی اکسیدانی قوی قرار داده است، لذا در این پژوهش ا...
a set $s$ of vertices of a graph $g=(v,e)$ without isolated vertex is a {em total dominating set} if every vertex of $v(g)$ is adjacent to some vertex in $s$. the {em total domatic number} of a graph $g$ is the maximum number of total dominating sets into which the vertex set of $g$ can be partitioned. we show that the total domatic number of a random $r$-regular graph is almost...
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