CO_2气敏元件特性检测装置

介绍了一种合配气、温控、检气的流通型检测装置，具有简易可行、温度控制精确、能快速进行CO2气体浓度切换等特点，能较好地检测CO2气敏元件的静、动态特性。     

用新熔剂精炼碎结晶镁或回收精炼渣中镁的方法

阐述了硅热法炼镁过程中，结晶碎镁的产生及粗镁精炼时渣含镁量增高的原因和用新熔剂精炼结晶碎镁及回收精炼渣中镁的方法。用２＃钙熔剂或新熔剂精炼筒形结晶镁，前者精炼效率为９０％～９３％，后者为９５％；如精炼结晶碎镁，前者精炼效率为６０％，后者为８５％；如回收精炼渣中的镁，前者回收率为３０％～４０％，后者为７５％～８０％。对于年产１０００ｔ金属镁的镁厂，用新熔剂精炼结晶镁或回收精炼渣中的镁，可极大的提高其产值。     

Debinding of stainless steel foam precursor with 3-D open-cell network structure

The thermal debinding behavior of stainless steel foam precursor in vacuum was studied and compared with that in hydrogen.The formation cause of pore channel was analyzed.The experiment results show that the binder removal rate in vacuum is higher than that in hydrogen.In vacuum,the organic compounds can be removed effectively without change of pore size and the pore morphology for the sample.After pre-sintering,some sintering necks form and the sample has certain intensity.The initial surface pore forms with the temperature increasing at first,and then the internal melting binder is aspirated to form initial pore because of the capillary force and the metal powders re-arrange with the migration of binder at the same time.     

镁基合金的活力及其生产

介绍镁基合金的应用领域,尤其是在汽车工业中的应用及其优越性,镁基合金组织结构及其熔炼方法的共性。