Complex chaotic sequences are widely employed in real world, so obtaining more complex sequences have received highly in......

目的探讨复合式小梁切除术后浅前房与年龄的相关性及其治疗效果。方法对本院青光眼复合式小梁切除术105例(132眼)进行回顾性研究，分......

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......

防弹(爆)纤维及其复合材料在军民两用领域的扩大应用,为其规模化生产和降低成本创造了条件。这类材料最令人鼓舞的改进莫过于更轻......

Nd2O3 was used to support Al2O3 and ZnO to prepare a supported solid base catalyst and investigate the effect of catalys......