نتایج جستجو برای: manmade source
تعداد نتایج: 419529 فیلتر نتایج به سال:
Background: Cardiovascular disease (CVD) is a major public health problem. Identifying novel risk factors for CVD, including widely prevalent environmental exposures, is therefore important. Perfluorooctanoic acid (PFOA) is a manmade chemical used in the manufacture of common household consumer products. Biomonitoring surveys have shown that PFOA is detectable in the blood of more than 98% of t...
Children in especially difficult circumstances (CEDC) is a worldwide problem with a ' labyrinth of compartments. It is sad to note that the problem is manmade, and that the most serious threat to our children is humankind itself. The causes of the escalation of this problem are multifactorial, but of great significance are the observations concerning a degradation of values and failing moral, s...
On 7 December 1988, a severe earthquake hit in Armenia, a former republic of the Soviet Union (USSR); on 11 September 2001, a manmade attack of similar impact hit New York City. These events share similar implications for the role of the uninjured survivor. With basic training, the uninjured survivors could save lives without tools or resuscitation equipment. This article makes the case for tea...
3D city modelling from airborne imagery includes mainly two parts: (1) image processing procedures and (2) 3D modelling for manmade objects such as buildings, roads and other objects. Line extraction and stereo matching are usually utilized as an image processing procedures. However, there are some issues for automatic man-made object modelling. In particular, spatial data acquisition of buildi...
A challenge of computer graphics is to render as realistically as possible manmade and natural objects. This paper presents a method for image-based modeling and rendering of objects with arbitrary (possibly anisotropic and spatially varying) BRDFs. An object is modeled by sampling the surface’s incident light field to reconstruct a non-parametric apparent BRDF at each visible point on the surf...
Location-Based Service (LBS) provides precious information to users based on the user's current location or the location designated by the user. Typical examples of LBS include vehicle navigation services, bus information services, fleet management services, and so on. As manmade structures are getting bigger and bigger, demand for indoor location based services (ILBS) has also been rapidly inc...
Manmade nanoparticles range from the well-established multi-ton production of carbon black and fumed silica for applications in plastic fillers and car tyres to microgram quantities of fluorescent quantum dots used as markers in biological imaging. As nano-sciences are experiencing massive investment worldwide, there will be a further rise in consumer products relying on nanotechnology. While b...
Mass disaster situations may arise from natural or manmade circumstances like bioterrorism and dentists or dental responders have significant roles in human identification, following such occurrences. The various roles of dentists in mass disaster management, that include bio surveillance and notification, diagnosis and monitoring, triage, referrals of patients, immunizations, decontamination a...
Providing seamless communication between heterogeneous networks persists to be a continuous challenge in a natural or a manmade disaster environment. Efficient Handoff decision schemes are required to improve Quality of service (Qos) and offer reliable communication. The handoff decision depends on many parameters such as Network Bandwidth, RSS, delay, packet loss, power dissipation and power c...
0. Executive Summary • The IPCC was created on the assumption that manmade warming was a problem and was given the narrow focus of investigating it rather than all causes of climate change. • The key finding of AR5 has no supporting basis because temperatures have not risen as models predicted • The IPCC's expressions of uncertainty are misleading • AR5 does not seriously discuss other hypothes...
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