The effect of organic expanders including humus acid, lignin,vio-lanthrone and isoviolanthrone on the performances of the lead-acid battery are described.

本文叙述了腐殖酸、木素、紫蒽酮及异紫蒽酮作膨胀剂对蓄电池性能的影响.

The organic working fluids bicirculating screw expander power generation technology of surplus heat recovery is just a new energy recovery technology.

有机工环螺杆膨胀机余热回收发电技术就是一种新型的能量回收技术。

Based on Gauss optics,the theory of afocal zoom expander is analyzed,a afocal zoom expander is designed and successfully applied.

基于高斯光学理论,析了无焦连续变倍准直扩束系统的原理,实现了无焦连续变倍准直扩束系统的设计,了验证.

Rapeseed dehuller, twin-screw press and expander were assembled to a new process for double-low rapeseed.The technical and economic feasibility of the new process were analyzed.

摘要将菜籽脱皮离系统、螺旋榨油机、高含油料挤压膨化机组装集成，形成了低菜籽脱皮冷榨膨化新工艺，析了新工艺的技术经济可行性。

Twenty-seven tissue expanders were inserted in 14 children (age range: 1.5 to 15 years) of pigmented naevi, h emangioma and scar tissue with exteriorization of the injection port.

应用国产皮肤软组织扩张器共27只，采用注射壶及连接导管外置的方法，对14例1.5-15岁患色素痣、血管瘤及烧伤瘢痕的患儿实行扩张术。