What are the sources of

Wormuth M, Scheringer M, Vollenweider M, Hungerbuhler K (2006) What are the sources of exposure to eight frequently used phthalic acid esters in Europeans Risk Anal 26 803-824... 

There are two questions with respect to potential indirect effects of aerosol particles on properties of clouds (1) What are the sources of new particles (2) How do these new particles grow to sufficient size (> 50 nm) to act as CCN ... 

What are the sources of interindividual and intraindividual variability in pharmacokinetics ... 

What are the sources of the noble gases Does this provide information about the origin of continental lithosphere or trace element enrichment of the xenoliths ... 

What are the sources of band broadening in spectra of solids How are lines narrowed so that high-resolution spectra can be obtained ... 

E.2.5 What are the most common POPs in your region What are the sources of the POP contamination How can they be eliminated ... 

The purpose of applying the system concept to engineering is the same as for any other application - to handle the complexity of the subject matter by structuring it in a manner most suitable for processing by the brain. But before we look into how this could be achieved, we need to be clear about the nature of this complexity we want to handle what are the sources of it, why has it become more... 

When water is injected into a balloon filled with ammonia gas, the balloon shrinks and feels warm. What are the sources of heat and work, and what are the signs of q and w in this process ... 

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