Because of the obvious political influence,in this period the adaptations of famous works have obvious characteristics of the times in aspects of adaptation time and original choice and style and contents of adaptation.

The choice principle of chemistry activity-class content and its setting;

Introduced choice principle of parting surface and attentions in designing injection mold.

This paper introduces systemically the properties, the applications and the choice principle of welding materials used in long- distance transpon pipeline.

The influences of the new national standard on product structure,selection of raw materials,wheat blending technology,flour milling technology and after-treatment of flour were pointed out.

After the treatment of Al6Ge2O13 by selective reduction, strong room temperature photoluminescence(PL) could be observed at 564, 611, 681, 730 and 774 nm.

Research on the selective reduction of NOX with hydrocarbons under lean-burn conditions using metal oxides catalysts has been reviewed.

The catalytic property of Cu/ZrO_2/S_2O~(2-)_8/γ-Al_2O_3 on the selective reduction of NO by C_3H_6 in excess oxygen was investigated.

The paper introduces classification of water supply pipe,and compares synthetic capacity of different pipe,discusses about choosing principles of pipe,proposes suggestion for pipe\'s selection.

Drug selection principles in intra-arterial infusion chemotherapy

Characteristics of image directory and selection principles

Based on the analysis of planting site of median strip in Taiyuan Jiuguan Expresswayt the afforestation species selection principle, procedure and species are determined.