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The last edit to this post was made by hanyu*a8 on 2015-10-8 at 14:49. Basic technical performance requirements for air collectors: () A. The sampling efficiency of air collectors should be greater than 90%. The mechanical structure and shape of the B air collector should be reasonable, with a low weight and small size, to ensure easy and safe handling and operation. The materials used to manufacture air collectors in system C should not adsorb or absorb the substances to be tested, nor should they produce any substances that could affect sampling and testing. The D air collector can operate properly in an operating environment with a temperature of -10 to 45°C and a relative humidity of less than 95%.
Basic technical performance requirements for air collectors (A B C D)
Basic technical performance requirements for air collectors (A): The sampling efficiency of air collectors should be greater than 90%. The mechanical structure and shape of the B air collector should be reasonable, with a low weight and small size, to ensure easy and safe handling and operation. The materials used to manufacture air collectors in system C should not adsorb or absorb the substances to be tested, nor should they produce any substances that could affect sampling and testing. The D air collector can operate properly in an operating environment with a temperature of -10 to 45°C and a relative humidity of less than 95%.
Answer: ABCD. Happy holidays!
Basic technical performance requirements for air collectors (ABCD): A. The sampling efficiency of the air collector should be greater than 90%. The mechanical structure and shape of the B air collector should be reasonable, with a low weight and small size, to ensure easy and safe handling and operation. The materials used to manufacture air collectors in system C should not adsorb or absorb the substances to be tested, nor should they produce any substances that could affect sampling and testing. The D air collector can operate properly in an operating environment with a temperature of -10 to 45°C and a relative humidity of less than 95%.
The basic technical performance requirements for air collectors are ( ). A The sampling efficiency of air collectors should be greater than 90%. The mechanical structure and shape of the B air collector should be reasonable, with a low weight and small size, to ensure easy and safe handling and operation. The materials used to manufacture air collectors in system C should not adsorb or absorb the substances to be tested, nor should they produce any substances that could affect sampling and testing. The D air collector can operate properly in an operating environment with a temperature of -10 to 45°C and a relative humidity of less than 95%. ABCD
Basic technical performance requirements for air collectors (A B C D): A. The sampling efficiency of the air collector should be greater than 90%. The mechanical structure and shape of the B air collector should be reasonable, with a low weight and small size, to ensure easy and safe handling and operation. The materials used to manufacture air collectors in system C should not adsorb or absorb the substances to be tested, nor should they produce any substances that could affect sampling and testing. The D air collector can operate properly in an operating environment with a temperature of -10 to 45°C and a relative humidity of less than 95%.
Basic technical performance requirements for air collectors (ABCD): A. The sampling efficiency of the air collector should be greater than 90%. The mechanical structure and shape of the B air collector should be reasonable, with a low weight and small size, to ensure easy and safe handling and operation. The materials used to manufacture air collectors in system C should not adsorb or absorb the substances to be tested, nor should they produce any substances that could affect sampling and testing. The D air collector can operate properly in an operating environment with a temperature of -10 to 45°C and a relative humidity of less than 95%.