Objective to investigate neonatal infection rate of HBV through paternal-fetal transmission (P-FT), and to explore method to prevent the neonate from HBV P-FT.
目的观察新生儿乙型肝炎病毒经父婴传播的感染率，探讨预防乙型肝炎父婴传播的方法。
The FT-IR spectrum of product indicated that copolymer P(S-M12) is prepared and the composition of M12 elevates with the increase concentration of M12 added.
产物的红外光谱分析表明，可聚合表面活性剂与苯乙烯发生了共聚，随M12加入量的增加，M12共聚组成提高。
Spectroscopic methods including UV-dichroism and FT-IR were used to study the p…
用紫外二色性和付里埃红外等光谱方法，对其光致取向行为进行了研究。
Spectroscopic methods including UV-dichroism and FT-IR were used to study the p…
用紫外二色性和付里埃红外等光谱方法，对其光致取向行为进行了研究。
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