triethylenediamine teda_n 3 aminopropyl n dodecyl 1 3 propanediamine

2. What effect does dichloroethyl ether have on my health?
Exposure to dichloroethyl ether can cause discomfort to the skin, eyes, throat and lungs. Inhaling low concentrations of dichloroethyl ether can cause coughing and nose and throat discomfort. Animal studies show symptoms similar to those observed in humans. These symptoms include irritation to the skin, nose, and lungs, lung damage, and decreased growth rate. It takes 4 to 8 days for the surviving laboratory animals to fully recover.

In the first quarter of 2020, my country’s imports and exports fell by 6.4%, which was significantly narrower by 3.1 percentage points from the previous two months. In April, the overall growth rate of foreign trade rebounded by 5.7 percentage points from the first quarter, and the growth rate of exports rebounded sharply by 19.6 percentage points.