《ppm》怎以读
英 ['pi:p'i:'em]
00:00/00:00
美 ['pip'i'em]
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《ppm》是什么意思
part per million 百万分之…；
英英释义
PPM
- PPM is an initialism that can refer to any of the following in this list:
以上来源于:Wikipedia
学习《ppm》怎么用
权威例句
70 000 PPM-sparare flyttas till statliga Såfan
Implementing the PPM data compression scheme
Unbounded length contexts for PPM
Pensionsmyndigheten slänger ut PPM-jätten
A 2-V 23-μA 5.3-ppm/°C curvature-compensated CMOS bandgap voltage reference
The inflammatory effects of 2 ppm NO2 on the airways of healthy subjects.
A 2-V 23-/spl mu/A 5.3-ppm//spl deg/C curvature-compensated CMOS bandgap voltage reference
Performance evaluation of TH-PPM UWB systems in the presence of multiuser interference
Role of accurate mass measurement (+/- 10 ppm) in protein identification strategies employing MS or MS/MS and database searching.
Parametric drive of a toroidal MEMS rate integrating gyroscope demonstrating < 20 PPM scale factor stability
Implementing the PPM data compression scheme
Unbounded length contexts for PPM
Pensionsmyndigheten slänger ut PPM-jätten
A 2-V 23-μA 5.3-ppm/°C curvature-compensated CMOS bandgap voltage reference
The inflammatory effects of 2 ppm NO2 on the airways of healthy subjects.
A 2-V 23-/spl mu/A 5.3-ppm//spl deg/C curvature-compensated CMOS bandgap voltage reference
Performance evaluation of TH-PPM UWB systems in the presence of multiuser interference
Role of accurate mass measurement (+/- 10 ppm) in protein identification strategies employing MS or MS/MS and database searching.
Parametric drive of a toroidal MEMS rate integrating gyroscope demonstrating < 20 PPM scale factor stability