Conclusion By accurate emergency treating, the cases with oral and maxillofacial dog bite can achieve satisfied recovery of face shape and function, reduce the rate of rabies occurrence.
结论：通过正确的急诊处理，可以为口腔颌面部狗咬伤患者较满意地恢复面部外形与功能，并可减少狂犬病感染机会。
The rate of DHA extraction by this method was 10% more than that by the methods of GB5009.6-85 and GB/T5009.46-1996. The recovery was 97.0% - 98.3% . Meanwhile, this method is simple and accurate.
本提取方法与国标法的酸水解法（GB5009。 6-85）和哥特里-罗紫法（GB/T5009.46-1996）比较，DHA的提取率提高了10%以上，本提取方法的回收率为97.0%-98.3%，且具有操作简便、不易出现乳化等优点。
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