protective reaction

Accident Analysis and Protective Measure on the Stress Corrosion of the Lower Ellipse Head of Reaction Still

反应釜下封头应力腐蚀断裂事故分析和预防措施

Objective To evaluate the protective effect and acute skin irritating reaction of anti cercaria emollient cream ( ACEC) from infection of S.

目的实验评价新型涂肤防护剂&防蚴润肤霜防御日本血吸虫尾蚴感染的效果，并了解其对皮肤的急性刺激反应。

Changes of microenvironment can trigger tumors producing a series of protective reaction in the stress lest tumor cells be injured or killed in hypoxia environment, and cells of the tumors obtain nutrient more effectively.

微环境的变化可触发肿瘤产生一系列应激性保护反应，使得肿瘤细胞在低氧状态下免受损伤或死亡，并且更有效地获取营养物质。

Conclusion In the early stage, MSA is shown the degeneration of neuron is mild, and the lesion of axon is the main pathological changes. The PV (+) neuron in the dentate nucleus may due to the cell protective reaction.

结论MSA早期小脑的病变是以轴索病变为主而神经元变性则较轻，并且在齿状核出现的PV（+）神经元可能是一种细胞保护性反应。