ovel

Organic PTC composites is a (?) ovel functional materials with important research value .

有机PTC导电复合材料是一类具有重要理论研究价值的新型功能材料。

A ovel switchbox router , DDCR , is described in this paper . Based on the heuristic principle , it features a dynamic routing density and constraint graph to complete the ordering of nets as well as the selection of routing segment .

本文介绍一种新的四边通道布线器（DDCR），该布线器基于启发式原则提出，并应用动态布线密度和约束图完成线网定序和连线段选择。

To reduce the radiation heat from the top flange , eight surface treated radiation shields made of copper clad epoxy glass-fiber laminate are installed in the neck of cryostat . The cryostat has a beam channel with 20 mm × 40 mm ovel cross-section .

8块采用双面敷铜印刷线路板制作，并经过表面处理的防辐射屏，用于减少颈管顶法兰的辐射热。低温恒温器提供了20mm×40mm椭圆形截面的束流通道。