European pollution: Lead-free fuel on sale by 1989
نویسندگان
چکیده
منابع مشابه
Free-Riding on Protection for Sale
In the “Protection for Sale” model of Grossman and Helpman (1994), some industries are assumed to be able to overcome the free-rider problem and organize a lobby that represents their group interests while other industries are unable to form a lobby. This dichotomy presents a problem for the many papers that attempt to estimate the model empirically since every industry must be classified as ei...
متن کاملLEAD-FREE BNKT PIEZOELECTRIC ACTUATOR
An actuator is a device that converts input energy into mechanical energy. According to various types of input energy, various actuators have been advanced. Displacement in the electromagnetic, hydraulic and pneumatic actuators achieve by moving a piston via electromagnetic force or pressure, however the piezoelectric actuator (piezoceramic plates) displace directly. Therefore, accuracy and spe...
متن کاملThe current lead pollution problem.
IN the past few years, pollution of the environment by lead has received considerable attention and evoked a variety of responses the more extreme of which have been readily accepted for publication in the National Press. The manifold purposes that man has found for the utilization of lead in the past and at the present time have caused its dissemination into the environment which, in some inst...
متن کاملComprehensive study of lead pollution in Shanghai by multiple techniques.
Aerosol samples of PM10 particulates were examined with particle-induced X-ray emission (PIXE and micro-PIXE ), inductively coupled plasma-mass spectrometry, and X-ray absorption fine structures (XAFS) to investigate atmospheric Pb concentrations and its chemical species and to decide the source assignment. From the elemental analyses, lead concentrations were averaged at 369 and 237 ng.m-3 in ...
متن کاملLead-free Soldering Effect on Tantalum Capacitors
Legislation is being developed worldwide to reduce the lead content in many consumer electronic products. This is being taken as an action to reduce environmental impact when such products are discarded. Despite the fact that lead containing solders in electronic assemblies account for only 0.49% of world lead consumption, the trend in legislation will likely be to require not only reduced lead...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Nature
سال: 1985
ISSN: 0028-0836,1476-4687
DOI: 10.1038/313006a0