资讯

That's because renewable energy sources such as solar and wind don't emit carbon dioxide and other greenhouse gases that contribute to global warming. Clean energy has far more to recommend it ...
Sri Lanka is grappling with a shortage of several medicines, including cancer drugs, insulin, and oral rehydration salts like Jeevani affecting both government hospitals and pharmacies. ..
When complete heart block is first diagnosed, doctors may try to restore healthy electrical activity in the heart with the drug atropine. It’s given in cases of bradycardia, an atypically slow ...
Renewable energy is energy that comes from sources that are readily replenishable on short-timescales. Examples of these are solar radiation, wind, and biomass. This study examines cost reductions ...