نتایج جستجو برای: fragmentation

تعداد نتایج: 34883  

One of the key outcomes of blasting in mines is found to be rock fragmentation which profoundly affects downstream expenses. In fact, size prediction of rock fragmentation is the first leap towards the optimization of blasting design parameters. This paper makes an attempt to present a model to predict rock fragmentation using Mutual Information (MI) in Meydook copper mine. Ten parameters are c...

Journal: :iranian biomedical journal 0
fatemeh torkashvand biotechnology research center, pasteur institute of iran, tehran, iran behrouz vaziri biotechnology research center, pasteur institute of iran, tehran, iran

the culture media optimization is an inevitable part of upstream process development in therapeutic monoclonal antibodies (mabs) production. the quality by design (qbd) approach defines the assured quality of the final product through the development stage. an important step in qbd is determination of the main quality attributes. during the media optimization, some of the main quality attribute...

Journal: :acta medica iranica 0
mianabadi m sadeghi h yazdanparast r

prolonged local consumption of anethum graveolens leaves, as an antihyperlipimic and antihypercholesterolemic agent, has been associated in some patients with skin disorders such as darkening and pigmentation mainly in the exposed areas such as face and hands.anethum graveolens belongs to the umbelliferae family which is belived to be rich in photoactive furocoumarins. an oraganic extract of th...

Journal: :journal of reproduction and infertility 0

background: the initial step in the diagnostic investigation of male infertility has been traditionally based on the conventional seminal profile. however, there are significant limitations regarding its ability to determine the underlying mechanisms that cause the disorder. sperm dna fragmentation has emerged as a potential causative factor of reproductive failure and its assessment has been s...

Journal: :international journal of environmental research 0

landscape fragmentation has threatened the landscape continuity of ray which was maintainedfrom prehistoric times until recent decades. from 19th century that tehran sprawl growth affected ray’slandscape as a satellite city of tehran, ray experienced rapid landscape fragmentation and underwent manychanges. in order to cope with the threat, the process of changes from landscape fragmentation sho...

Journal: :international journal of business and development studies 0

trade relationships built through production chains appear to be lasting due to relation-specific nature of the transactions, compared with the usual transactions of goods sold on the open market. this paper aims to verify such stability of international production networks at the global level, with special emphasis on intra-east asian trade. a series of survival analyses provide an evidence su...

Journal: :international journal of environmental research 2012
e. salehi l. zebardast a.r. yavri

fragmentation, or breaking apart of habitats, is one of the major causes of decline in biological diversity. mature ecosystems, especially dense forests are very sensitive to this phenomenon and roads are one of the major causes of fragmentation in forest landscapes. present investigation aims to trace landscape fragmentation in dense forests of golestan national park in northeast of iran betw...

In this research, first of all, the existing problems in fragmentation measurement are reviewed for the sake of its fast and reliable evaluation. Then, the available methods used for evaluation of blast results are mentioned. The produced errors especially in recognizing the rock fragments in computer-aided methods, and also, the importance of determination of their sizes in the image analysis ...

Journal: :jundishapur journal of natural pharmaceutical products 0
ramin rezaee medical toxicology research center, school of pharmacy, mashhad university of medical sciences, mashhad, ir iran khadijeh jamialahmadi biotechnology research center, mashhad university of medical sciences, mashhad, ir iran bamdad riahi zanjani medical toxicology research center, school of medicine, mashhad university of medical sciences, mashhad, ir iran mahmoud mahmoudi immunology research center, bu-ali research institute, mashhad university of medical sciences, mashhad, ir iran khalil abnous pharmaceutical research center, department of medicinal chemistry and department of biotechnology, school of pharmacy, mashhad university of medical sciences, mashhad, ir iran shahrzad zamani taghizadeh rabe immunology research center, bu-ali research institute, mashhad university of medical sciences, mashhad, ir iran

conclusions in our study, no prominent effect was seen; therefore, in order to have a better perspective of crocin activity against cancerous cell lines, further studies are highly recommended. results the highest concentration of crocin significantly decreased ros production after 48 hours of treatment. however, crocin had no effect on the expression level of hsp (heat shock protein). addition...

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