采用高温高压、稀碱液、液氨对稻草粉进行预处理，并模拟猪胃环境对预处理效果进行了比较。

Rice straw was pretreated by means of dilute alkali lye and liquid ammonia under high temperature and high pressure. The effects of the pretreatment were compared in simulated stomach of pig.

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胃管颜色变黑与留置时间成正相关，与胃内环境关系密切。

The quality of gastric canal was related with the indwelling time and stomach environment.

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结论战争环境因素应激对胃的运动和胃粘膜造成不同程度的影响和损伤，而多种应激因素的影响和损伤更为严重。

Conclusion: the fighting environment may induce gastric mucosal lesion and the effects of multiple factors were more significant than those of single factor.

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