Which of the following methods can eliminate system errors?
A: Calibrate measuring instruments.
B: Improve measurement methods.
C: Change the test temperature.
D: Run a controlled experiment.
A: Calibrate measuring instruments.
B: Improve measurement methods.
C: Change the test temperature.
D: Run a controlled experiment.
举一反三
- There are many calculation methods for petroleum reserves in reservoirs, which can be roughly divided into static methods and dynamic methods.
- which of the following can be used to eliminate the determinate error A: conducting a blank test B: performing a comparative test C: calibrating the instrument D: increasing number of measurement
- The following methods for measuring the combining ability can measure the special combining ability: (). A: Top-crossing method B: Incomplete dialel cross method C: Complete dialel cross method D: Multi-line test cross method
- When analyzing biological samples by LC-MS, one of the following methods that cannot eliminate the matrix effect is () A: Change the ionization method B: Increase the injection volume C: Optimize sample preparation methods D: Adjust the mobile phase composition
- According to the class, methods of training can be divided into cognitive and behavioral methods.