Measurement systems, software, atomic length specification spectrometer (Atomic Absorption Spectrometer) "means the measurement of lead. Using the acetylene flame (Acetylene Flame) at a wavelength of 283.3 or 217 nm.
"The gravimetric (Gravimetric) "means the measurement of dust. By sucking air through the filter The filtration efficiency of 0.3 micron particles (Micron) is 99 percent, then the weight of dust from the filter.
การแปล กรุณารอสักครู่..
