产品说明： 纳米四氧化三铁 CAS#：1317-61-9 技术指标： 型号 VK-EF01 外观 褐色粉末 PH值 6-8 粒径nm 10-20 比表面积m2/g 90-120 纯度 99.9 产品性能和应用场合：（1）、磁性密封：磁性液体又称磁流体或铁磁流体,具有可通过磁场控制其物理性能的特点，具有液态载体的流动 ...

Kubota's D902-T-E4 is lighter and more compact than comparable engines. It is designed for use in mini excavators, mini-track loaders, trenchers, welders, utility vehicles and the turf industry.

Australia buys 20 Hyundai next-generation fuel cell vehicles. Peugeot eF01 folding e-bike supports last-mile travel. A123, Argonne team up on energy density. Peugeot has unveiled its eF01 ...