The correlation analysis showed that the physical mixing course of water from land was the major factor influencing the nutrient salt, and the biological and chemical factors were secondly.
相关分析表明，陆源水的物理混合过程是影响诸营养盐含量的主要因素，生物、化学作用次之；
2
Other gases may be analyzed by adopting a correcting factor to compensate the interference due to chemical and physical differences between the sample and the reference gas.
RESULTS Those occupational risk factors included the clinical laboratory itself, physical risk factor, chemical risk factors and biological risk factors.