为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

processing speed are controlled by pH value and temperature of etching liquid, in addition to swing rate of the the swin......

微生物细胞工厂(microbial cell factories,MCFs)被广泛用于生产丰富多样的化学品、食品、药品和能源,是绿色生物制造的核心环节。......