Snap Code :090201
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چکیده
The major use of PCBs, and so the main source of secondary environmental pollution by PCBs, is electrical equipment. In the UK, for example, it is estimated that over 90% of PCB emissions arise from leaks from transformers and capacitors and from fragmentising operations (APARG, 1995). Recent estimates of the European emissions in 1990 indicate that as much as 94% of PCB emissions come from this source (Berdowski et al., 1997). Electrical equipment containing PCBs is unlikely to be a significant source of any pollutant other than PCBs.
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This Chapter covers the emissions of airborne particulate matter (PM) from road transport which are due to vehicle tyre and brake wear (SNAP code 070700) and road surface wear (SNAP code 070800). PM emissions from vehicle exhaust are not included. The focus is on primary non-exhaust particles in other words those particles emitted directly as a result of the wear of surfaces and not those resul...
متن کاملSNAP - Sensor Network Application Plugin
This paper presents SNAP, Sensor Network Application Plugin. It consists of a collection of C++ classes that wrap around TinyOS’s [5] system components and a macro PLUGIN to instantiate the application. With this architecture, it is shown that writing embedded code for Sensor Networks is not much different than writing an ordinary C++ code using multiple inheritance. The process of learning a n...
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