Vialote against the chemical safety intervalperiod.
违背农药安全间隔期;
2
The experimental results indicated that the effects of the noise frequencies and exposed conditions on HRV during R-R intervalperiod were significant .
该文通过实验研究了不同频率、不同噪声级和不同暴露条件下的噪声对人体的心率变异的影响。
3
Methods to use TCD to examine 138 pilots vascular headache patients divided into attack period group (41 cases) and intervalperiod group (97 cases) with analysing results.