نتایج جستجو برای: 15000 and 115000

تعداد نتایج: 16827359  

ژورنال: سلامت کار ایران 2022

Introduction Nitrogen oxides as one of the most dangerous environmental pollutant, have harmful effects on the health of people in the workplace. Today, the catalytic oxidation of nitrogen oxides is a highly efficient method for removing of this gases  that has been dedicated part of researches. The aim of study was to investigate the removal efficiency of  nitrogen dioxide (NO2) by nickel and...

2005
DAVID A. WHITE

1. A lactating rabbit mammary-gland microsomal system catalysed the incorporation of mannose from GDP-[U-14C]mannose into three endogenous acceptors, (i) polyprenyl phosphate mannose, (ii) lipid-linked oligosaccharide and (iii) protein. 2. Synthesis of polyprenyl phosphate mannose was stimulated by addition of dolichol phosphate to the incubation medium and was reversed by addition of GDP. The ...

Journal: :Proceedings. Biological sciences 2008
Graham N Stone Raymond W J M van der Ham Jan G Brewer

Trace fossils of insect feeding have contributed substantially to our understanding of the evolution of insect-plant interactions. The most complex phenotypes of herbivory are galls, whose diagnostic morphologies often allow the identification of the gall inducer. Although fossil insect-induced galls over 300Myr old are known, most are two-dimensional impressions lacking adequate morphological ...

Journal: :Environmental biosafety research 2004
Jeffrey D Wolt Yuh Yuan Shyy Paul J Christensen Karin S Dorman Manjit Misra

The development of transgenic crops as production platforms for biogenic agents will largely depend on the success of efforts to confine the genes and their expressed proteins in field environments. We have used quantitative exposure assessment to evaluate how management practices affect materials escape due to outcrossing by pollen flow or grain loss during harvest operations. Specifically, we...

2016
W. Ford Doolittle Austin Booth

That holobionts (microbial communities and their animal or plant hosts) are units of selection squares poorly with the observation that microbes are often recruited (horizontally acquired) from the environment, not passed down vertically from parent to offspring, as required for collective reproduction. The taxonomic makeup of a holobiont’s microbial community may vary over its lifetime and dif...

Paleo-climate reconstructions based on multi-proxy such as sedimentology is current in climatology investigation. In this way, National Institute of Oceanography and Atmospheric Science cored 960cm from Arzhan wetland SW of Iran than we have investigated of sedimentology. Primarily the core was measured on magnetic sensibility per 1cm and secondly was subsampled according to magnetic sensibilit...

Journal: :Journal of pediatric and adolescent surgery 2022

Background: Corrosive ingestion in children is very important and sensitive issue which result lot of morbidity mortality corrosive mostly form acid or alkali chemical. 5000 to 15000 caustic cases are reported annually United States. Majority accidental can occur any age but new born it rarely. Case Presentation: we presenting a case 04 days old who was given liquid bleed mixed with formula mil...

ابراهیم بابائیان علی اکبر نوروزی, مهدی همایی,

توابع پارامتریک نگهداشت آب در خاک از پارامترهای مهم­ برای مدل­های حفاظت آب و خاک می­باشند. هدف از انجام این پژوهش، امکان­سنجی استفاده از اطلاعات طیفی خاک به منظور اشتقاق توابع انتقالی طیفی برای برآورد مقدار نگهداشت آب در خاک بود. از این­رو، بازتاب ابرطیفی خاک در گستره مرئی، مادون قرمز نزدیک و میانی (2500-350 نانومتر) با استفاده از دستگاه اسپکترورادیومتر اندازه­گیری و پس از انجام (پیش)پردازش­های...

Journal: :Quaternary International 2021

This paper is part of a broad special issue exploring the Cultures Pleistocene-Holocene transition in Western Europe. In this context our aim to offer state art review figurative Palaeolithic spanning period between 15000 and 11500 cal BP (12500-10000 BP) Mediterranean Iberia. We start with short description few, but singular, finds published date archaeological literature ascribed based on bot...

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