Objective To know about content of iodine in foods which are sold in the markets presently, partial students iodine nutrition condition,the function of the iodized salt complement with the dietary iodine intake,and whether the urine iodine reflect dietary iodine intake.

One group avoided having food rich in iodine and the other group did not change their diet .

The leaching system of gold with iodine-iodide was thermodynamically analyzed.

The paper, according to the material specific property of iodized edible salt and the drawbacks of gravity gravimetric filling machine,produced the methods of raising the filling accuracy and speed in the filling machin

The paper,in the light of the specific property of iodized edible salt, analysed the operating principle of gravity dosing-cup type measuring units, put forward to designing methods,and inquired into the main factors that influenced measuring accurac