The importance of feed in the breeding process is self-evident, especially when it is better to manage the feed during the high temperature period. How to do feed management during high temperature period, pig e net users suggest that the following should be done:
First, the compound feed should be protected from rain or artificial moisture during transportation, so as to avoid the dissolution of nutrients.
Second, the combination of feed storage should be moisture-proof and mildew-proof. During the high temperature period, the feed is prone to mildew and deterioration. The feed should be stored in a dry and ventilated place. It should be 30 cm above the ground when stored in the warehouse, and should not be against the wall.
Third, the compound feed should pay attention to the shelf life. The feed should be purchased first, and strive to be used up within the shelf life. The self-produced feed should have a plan. Expired use of expired or inferior compound feeds, because the nutrient content does not meet the requirements, and may deteriorate, it will be unfavorable for the growth of shrimps and crabs, and pollute the water and the bottom of the pool.
Fourth, live shellfish should be fed in time.
5. Feeding fresh fish should avoid high temperature at noon, add ice to keep fresh, and avoid feeding miscellaneous fish and shrimp.
During the production of highway painting, put glass bead into paint based on the ratio of 18-25% (weight percentage), so that the highway paint can still keep reflectivity during wear and friction. The ratio is refer to the specification of Communication Industry Standard of the People`s Republic of China No. JT/T280-2004, the standards which is different in different countries and areas.
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The appearance of glass bead should be colorless, loosen and spherical particle, should be clean without impurity, and without agglomeration |
According to the specification of Communication Industry Standard of the People`s Republic of China No.GB/T24722-2009, the granulometry is shown in the table below:
The glass bead can be produced based on the standard of countries or areas, such as EN1423/1424, AASHTO M247, BS6088, JIS R3301 and KS L2521 etc.
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