该片由各种金属氧化物添加低温烘烤了。
The pieces were created by adding various metals oxide and baking at a low temperature.
本文研究了凹凸棒石负载锰氧化物催化剂的物理化学性能和低温选择性催化还原NO性能。
This dissertation studied the activity of manganese oxides catalyst supported by palygorskite catalyst in lower temperatures for selective catalytic reduction of NO and its physic-chemical properties.
目的探讨心肌缺血的家兔在急性低温低氧复合环境下血清超氧化物歧化酶（SOD）活力和丙二醛（MDA）含量的变化。
Objective To study the effects of acute low temperature and hypoxia on serum SOD and MDA of myocardial ischemia rabbit.
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