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.

有机工质双循环螺杆膨胀机余发电技术就是一种新型的能量技术。

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,析了无焦连续变扩束系统的原理,实现了无焦连续变扩束系统的设计,并得到了验证.

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、双螺旋榨油机、高含油料挤压膨化机组装集成，形成了双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。