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1. Easy to carry: The net bag is lightweight and easy to carry, making it perfect for carrying beach toys to and from the beach.
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6. Eco-friendly: Using a net bag for beach toys is an eco-friendly option as it reduces the use of plastic bags or other non-biodegradable materials.
Maize bulk density measuring instrument and measuring method
In 1999, China revised the corn standard and issued GB1353-1999 instead of GB1353-1986. It also stipulated a new method for determining the weight of corn and determining the weight of corn. Among them, a corresponding apparatus such as an electronic load receptor is needed during the measurement of the bulk density of corn.
Instruments and appliances. The GHCS-1000 type of load-bearing device (diameter of the bottom of the funnel is 40mm) is a sieve for grain, the upper sieve hole diameter is 12mm, and the lower sieve hole diameter is 3mm.
1 According to GB1353-1999 method, the sample preparation lkg sample is poured into the sieve twice (one time about 500g), after the sieve, the sieved material of the lower sieve is mixed in the sieve and poured into the cereal cylinder, and then the other half ( About 500 g) is poured into the sieve again, and the sieved material of the lower sieve is mixed in the sieve after being sieved and then poured into the cereal cylinder, filled and leveled. The other steps are the same as described in GB1353-1999. 2 According to the method of GB1353-1999, the sample preparation lkg sample is poured into the sieve twice (one time about 500g), after the sieve, the undersize of the lower sieve is poured out, and the other half (about 500g) is poured into the sieve. After sieving, the sieved material under the lower sieve is poured out, the two samples are mixed on the glass plate, and then the sample is poured into the cereal tube once, filled and leveled. The other steps are the same as described in GB1353-1999. 3 According to the method of GB 1353-1999, the sample preparation 1 kg, the sample is poured into the sieve twice (one time about 500g), after the sieve, the sieved material under the lower sieve is poured out, and the other half (about 500,) is poured. Into the sieve, the sieve will be sieved after the lower sieve out of the material, the two samples were mixed on a glass plate, using the sample plate quartering method, sample by volume, until the grain cylinder filled with scraping, other steps The method described in GB1353-1999.
Through the above three different methods of testing, we found that: Repeated tests on the same sample, found that when determining the corn bulk density, as long as the sampling method is slightly different, the results will be very different. The electronic grain container reduces various data differences due to small errors during the experiment and improves the accuracy of the determination of the bulk density of the corn.