MDA的意思|MDA的解释-里氏词典

MDA

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Smith suffers from myasthenia gravis, a sometimes fatal muscle disease that is among the 40 targeted by the MDA.
In the last six months the agency has: _Proposed exposure limits for MDA, a chemical widely used in construction, that it said would prevent at least 20 cancer deaths a year.
Prolonged exposure to MDA turns skin yellow.
Lewis saved some of the most touching moments for the final hours of the show, including a farewell to Mikey Neufeldt of New Berlin, Wis., the MDA poster child the past two years.
It would cost an estimated $8.2 million a year for all firms using MDA in general industry to meet the limits and about $650,000 a year for construction employers to comply, the government said.
He said he had "a stake in the outcome" of the MDA battle.
OSHA, an arm of the Labor Department, proposed setting an exposure limit of 10 parts of MDA for every billion parts of air over an normal eight-hour workday.
Lewis also said he was "shocked and saddened" by the death last week of the Rev. Paul O'Conner, a Catholic priest from Detroit who was to appear on the telethon to describe his battle with one of the diseases MDA hopes to cure.
ALS is one of 40 neuromuscular diseases fought by MDA.

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