The effects of RE (mixed light RE, 0—0.275%) content in commercial pure aluminium on the structure and characteristics of 7075 alloy are investigated in this paper.
本文研究工业纯铝中含RE（混合轻稀土，含量为0～0.275％）时对7075合金组织和性能的影响。
2
In this paper, using southern mixed bamboo as raw material, the properties of bamboo pulp were investigated by pre-extracting hemicellulose and its re-adsorbing onto pulp.
本论文以南方混合竹片为原料，考察了半纤维素热水预提取及其沉积对竹子制浆造纸性能的影响。
3
Occasional spraying or adding of water will keep it moist. With the sphagnum mixed in, a far longer period can pass without having to re-moisten the substrate.