نتایج جستجو برای: hydrogen peroxide duration

تعداد نتایج: 354451  

Journal: :علوم گیاهان زراعی ایران 0
سید محمد امین فانی یزدی دانشگاه پیام نور، گروه علمی کشاورزی، 4697-19395 تهران محمد رضوانی دانشگاه آزاد اسلامی، واحد قائمشهر، گروه شناسایی و مبارزه با علف های هرز، قائمشهر محمد حسن راشد محصل دانشگاه فردوسی مشهد حسن کرم زاده دانشگاه آزاد اسلامی واحد قائمشهر

in order to investigate factors affecting on seed germinating of london rocket (sisymbrium irio), lab experiments were set up in 2011 at the payamenoor university, mashhad, khorasan razavi province. effect of different concentrations of gibberellic acid (ga3) and cytokinin, wet and dry prechilling duration, hydrogen peroxide duration, ethanol, salt and osmotic stress and burial depth on seed ge...

Journal: :journal of nanostructures 2014
r. majidi a. r. karami

to explore the possibility of using graphene based biosensor, adsorption of hydrogen peroxide on graphene has been investigated using density functional theory. the electronic properties of defect free and defective graphene in the presence of different number of hydrogen peroxide have been studied. the graphene with the most stable configuration defect named as sw defect is considered. the hig...

A. R. Karami R. Majidi,

To explore the possibility of using graphene based biosensor, adsorption of hydrogen peroxide on graphene has been investigated using density functional theory. The electronic properties of defect free and defective graphene in the presence of different number of hydrogen peroxide have been studied. The graphene with the most stable configuration defect named as SW defect is considered. The hig...

Journal: :پژوهش های زراعی ایران 0
مرتضی گلدانی مریم کمالی

drought is one of the important environmental stresses that reduce the crop growth. oxidative stress is a secondary stress due to drought and other abiotic stresses. in order to study the effect of exogenous application of hydrogen peroxide on drought tolerance of glob amaranth (gomphrena globosa l.), an experiment was conducted in greenhouse conditions. this study was designed as factorial bas...

Journal: :علوم باغبانی 0
مرتضی گلدانی یحیی سلاح ورزی جعفر نباتی مرتضی علیرضایی نغندر

salinity is one of the environmental stresses that have limited influence on the crop growth. oxidative process is a secondary stress due to salinity. oregano is enumerated as one of the most important of medicinal plant that its production and development is possible in iran. in order to study the effect of exogenous application of hydrogen peroxide on salt tolerance in oregano (origanum major...

Background and Objectives: Osteoporosis is one of the bone diseases that various factors such as oxidative stress have a role in creating it. The current research aimed to examine the synchronous effect of aerobic physical exercise and Vitamin D supplementation on osteocalcine and alkaline phosphatase in rats poisoned by H2O2.  Materials & Methods: Sixty adult male Wistar rats were randomly di...

Journal: :acta medica iranica 0
z. hussain-khan1 a. a. soleimani m. farzan

hydrogen peroxide, an oxidizing agent used in surgery for its antiseptic properties, has been associated with life-threatening complications. we report a case of suspected gas embolism following irrigation of a tibial bone cyst with hydrogen peroxide in a five year-old boy under general anesthesia, who died despite resuscitative measures and a long stay in the intensive care unit.

ژورنال: کومش 2021

Introduction: Increase in enamel surface roughness after bleaching is one of its major side effects. The purpose of this study is to compare changes in enamel surface roughness following bleaching with home versus office bleaching agents. Materials and Methods: In this experimental study, forty human sound premolar teeth were divided into 4 groups, randomly. Ten teeth were bleached using hydrog...

Journal: :journal of chemical health risks 0
e. asl moshtaghi department of horticultural science, college of agriculture,shiraz university, shiraz, iran. a.r. shahsavar department of horticultural science, college of agriculture,shiraz university, shiraz, iran.

two groups of olive cultivars were characterized as showing low (tokhmkabki) and high (roghani) rooting percentage after application of iba treatment. semi-hard wood cuttings were dipped in h 2 2 o 2 (0-3.5% w/v) and iba (4000 mg.l -1 ) and also they were investigated in combination. h 2 o 2 alone did not stimulate rooting of olive cuttings and there were no significant differences between this...

ژورنال: سلامت و محیط زیست 2010
سردار, مهدیه, شیخ محمدی, امیر, ضرابی, منصور, محمدی, حامد, یزدانبخش, احمد رضا,

Backgrounds and Objectives: A great part of organic compounds cause more pollution in natural  waters meet, are chemical dye material. Azo dyes have more usage in different industries. Azo dyes not only give undesirable dye to the water but also have mutation potential and carcinogenesis effects in human and cause the production of toxic substances in water environments.The purpose of this stud...

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