采用一期前路椎间融合 anterior lumbar interbody fusion ; ALIF
研究表明，采用前期浸渍方法制备活性炭时，原料表面的氢基团被钠置换，形成交联体，从而可获得较高的活性炭收率。
It was found that pre-impregnation of raw palm shell was involved in replacement of some hydrogen ions with sodium ions to form cross-linded complexes, resulting in a relatively high yield.
结论制作质量优良的病理切片必须采用适当的方法进行前期处理。
Conclusion An excellent making of tissue section must use appropriate methods to process tissue on the earlier stage.
在前期勘测中采用多种勘察和试验方法，查明了地质条件，确定了地质参数，提出了地基处理措施。
In the previous survey in using a variety of inspection and testing methods to identify the geological conditions to determine the geological parameters, proposed foundation measures.
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