原位分离发酵技术是近年来兴起的一种新型发酵技术，可使菌体密度较分批培养有显著的提高，最终提高特定产物的生产率。

Application of in situ product removal techniques in ethanol fermentation is a new techniques, which enhance the density of yeast, finally enhance the yield of the specific product-ethanol.

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结果：用Hunt - Shen - Arlet技术调整，无需使用特殊的分离器械，就可以成功的植入可扩张Cage并原位扩张。

Results. Using a modification of the Hunt-Shen-Arlet technique, without the use of a special distraction devices, the expandable cage was successfully implanted and expanded in situ.

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指出在厌氧条件下应用同型发酵乳酸细菌，采用原位产物分离技术和细胞再循环发酵通常会提高乳酸的产量；

Several factors affecting the fermentative LA production with lactic acid bacteria (LAB) were discussed, including microorganism, nutrient substrate, end-product inhibition, and oxygen.

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