نتایج جستجو برای: ssls for plants
تعداد نتایج: 10428135 فیلتر نتایج به سال:
in the present work, a simple and sensitive method was developed for determination of morphine and heroin using gold nanoparticles as resonance rayleigh scattering (rrs) and colorimetric technique’s probe. synthesized gold nanoparticles by sodium citrate reduction method have a negative charge layer on their surfaces because of self-assembled citrate anions on their surface. binding of morphin...
Natural food preservation method refers to application of naturally produced antimicrobial compounds that are obtained from plants, animals and microbes to prevent food spoilages microorganism, proliferation and growth of food borne pathogens in food and foods products. Now it is the time of growing interest of many researchers with the application of these natural antimicrobial compounds as sa...
Traditional Medicine is very culture based. Every ethnic group has had its traditional medicine based on its indigenous knowledge base. Most traditional medicine systems utilize herbs (plants) as the main source of their therapeutic substances, although minerals and animal products are also utilized. traditional knowledge has often played a role in the development of modern science. Greater eff...
Nitrogen is produced mainly from its most abundant source, the air, using three processes: membrane, pressure swing adsorption (PSA) and cryogenic. The most common method for evaluating a process is using the selection diagrams based on feasibility studies. Since the selection diagrams are presented by different companies, they are biased, and provide unsimilar and even controversial results. I...
Fourteen plant species collected in Iran and selected mainly on the basis of their antimicrobial and/or antifungal activities were evaluated for in vitro antiplasmodial and cytotoxic effects in a study designed to screen plant extracts with selective activity against Plasmodium falciparum. The methanol extracts of nine of the species tested exhibit activity against Plasmodium falciparum (MIC va...
Traditional Medicine is very culture based. Every ethnic group has had its traditional medicine based on its indigenous knowledge base. Most traditional medicine systems utilize herbs (plants) as the main source of their therapeutic substances, although minerals and animal products are also utilized. traditional knowledge has often played a role in the development of modern science. Greater eff...
iv abstract this study examined the linguistic behaviors of two iranian efl teachers each of them teaching learners of two similar proficiency levels, a beginner level and an intermediate level, to investigate the relationship between the learners proficiency levels and the amounts and purposes for l1 use by the two teachers. the study was carried out to investigate whether there were differe...
there are two major theories of measurement in psychometrics: classical test theory (ctt) and item-response theory (irt). despite its widespread and long use, ctt has a number of shortcomings, which make it problematic to be used for practical and theoretical purposes. irt tries to solve these shortcomings, and provide better and more dependable answers. one of the applications of irt is the as...
employees always concern about losing their job , or in other word , losing their income resources. for this purpose, every government requires strong system for covering these concerns. the unemployment insurance (ui) program’s can be used for achieving this goal. in this thesis, we price ui based on the insurance history of employee and the duration of being unemployed. we use the weibull dis...
Diel vertical migration (DVM) of zooplankton is a global phenomenon, characteristic of both marine and limnic environments. At high latitudes, patterns of DVM have been documented, but rather little knowledge exists regarding which species perform this ecologically important behaviour. Also, in the Arctic, the vertically migrating components of the zooplankton community are usually regarded as ...
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