نتایج جستجو برای: in recent century
تعداد نتایج: 17021505 فیلتر نتایج به سال:
In this research seismicity parameters, repeat times and occurrence probability of large earthquakes are estimated for 35 seismic lineaments in Persian plateau and the surrounding area. 628 earthquakes of historical time and present century with MW>5.5 were used for further data analysis. A probabilistic model is used for forecasting future large earthquake occurrences in each chosen lineament....
Background Brazil is a country of Portuguese colonization with massive numbers of immigrants and Portuguese descendants (25 millions). At least half of all Brazilian Y chromosomes are from Portuguese origin. Nevertheless, this population suffered miscegenation with native Indians and African descendants. African descendants Brazilians have 48% of non-African genes, probably from Portuguese asce...
food safety is considered as an important world concern. the detection of pathogen and toxic materials in food has an important role in public health care. in recent years, the applications of microbial biosensor have been developed as a new approach for toxicity control. luminescent microbial biosensor is an appropriate biological tool for protection of natural environment. this type of biosen...
According to IPCC report 2013, the role of man in environmental catastrophe is incontrovertible because of high greenhouse emission in now and recent century. Buildings nearly discharge one third of these pollutants and the task of architects to prevent this hazardous procedure is critical. On the other hand, one main basis of sustainability is education in order to preserve environment and the...
The protection of consumer rights must be considered in all policies and programs in a society. These rights should not limit to traditional ones and according to developments in legal systems, they should update. Considering this progress from the past until today we can say that in the present century, alongside the traditional consumer rights like right to choose, right to information and go...
Previous calibrations of prokaryotic phylogenetic events were based on the vertebrate fossil record because a detailed microbial fossil record does not exist. Recently, compounds (2-methylhopanoids) that are found in cyanobacterial membranes were identified among compounds extracted from late Archean sedimentary rocks. These lipids establish a minimum time, 2.65 Ga (Billion Years Ago), in the g...
SOME RECENT ADVANCES IN NONLINEAR AEROELASTICITY: FLUID-STRUCTURE INTERACTION IN THE 21 CENTURY ABSTRACT Aeroelasticity is the field that examines, models and seeks to understand the interaction of the force from an aerodynamic flow and the deformation of an elastic structure. The forces produce deformation, but the structural deformation in turn changes the aerodynamic forces. This feedback be...
the term “sānād” i-e (persian historical document) is an important key word in history. although there are many researches about purport, applicable field of “sanad” but historical linguistic of this term is little-known. in regard to that this word have not a long use by mean “written” and “document” in iranian historical texts, therefore mind question of this article is: when this term in r...
according to ipcc report 2013, the role of man in environmental catastrophe is incontrovertible because of high greenhouse emission in now and recent century. buildings nearly discharge one third of these pollutants and the task of architects to prevent this hazardous procedure is critical. in the other hand, one main basis of sustainability is education due to preserve environment and then, tr...
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