It is suggested that according to the idea that photo pigments can prolong the weathering life of top coat, the grey micaceous iron alkyd top coat was developed in 1978
Precautions when using hot air circulation oven
Time of Update: 2015-09-25
5. The baking items shall not be arranged too closely, and the items on the bottom (heat sink) of the hot air circulation oven shall not be placed to avoid affecting the hot air circulation.
Discussion on the adjustment of sheet output and filling of single punch
Time of Update: 2013-05-13
The special tools used for adjusting the output of the single punching machine are: socket wrench and paddle
(1) turn the driving hand wheel by hand to make the lower
What are the quality requirements for dry particles
Time of Update: 2010-04-20
The proportion of each layer of thickness particles and fine powder is related to drug properties, tablet shape size and mechanical properties.
The export situation of rabbit products is grim
Time of Update: 2002-10-31
Introduction: in the first half of this year, China exported 2394.35 tons of rabbit hair, earning US $24.6615 million in foreign exchange, with an average unit price of US $10.29 per kilogram (equivalent to 84.45 yuan).
The latest prediction of soybean production in the United States
Time of Update: 2001-02-27
Based on the yield trend of 39.5 bushels / acre, the production will reach 2.945 billion bushels (last year, it was 2.77 billion bushels).