Results The masticatory efficiency of the primary molar defect group after treatment was significantly higher than that of the group before treatment(P<0.001).
结果①乳磨牙缺损组治疗后咀嚼效能与治疗前差异有显著性(P<0.001),前者大于后者;
Because PTFE membrane was more hydrophobic than PVDF membrane, PTFE membrane employed in the treatment of phenol aqueous solution had a better efficiency and a higher ion rejection ratio.
PTFE膜的疏水性较PV DF膜强,在相同进料条件下,用PTFE膜处理含酚水溶液的分离效率和离子截留率更高。
To obtain higher efficiency of the petroleum wastewater treatment, the special bacteria to enhance its treatment were sifted through experiments according to the quality of petroleum wastewater.
为了获得较高的采油废水处理效率,针对采油废水的水质特点,通过实验筛选出了专用菌种。
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