The invention discloses a multi-element high-temperature resistant anti-shock magnetron cathode which comprises tungsten, thorium, rhenium and potassium.
本发明公开了一种多元素耐高温抗震磁控管阴极,由钨、钍、铼、钾组成。
The invention provides a multi-element composite intervertebral disc prosthesis which is suitable for implanting to a cleaned intervertebral discs vertebral pulp ring.
本发明提供一种多元复合椎间盘假体,其适合植入于人脊柱中被清空的椎间盘髓核空间的环内。
In the overall design, attention is attached to the integration of privacy and openness of communication of modern people, creating a multi-element space featuring various landscapes.
在整个设计中,注意到了私密性和现代社会人际交往的开放性需求相结合,创造了一种多元化的空间品质,达到了步移景异的状态。
The present invention belongs to the field of material technology, and relates to a multi-element metallic porous material and its preparation method.
本发明属材料技术领域,是一种多元金属孔化材料及其制备工艺。
Then, a multi-element linear transducer array system based on the high-speed data acquisition card was designed and realized photoacoustic imaging by it firstly.
其次,在高速采集卡的基础上设计研制了基于多元线性阵列探测器系统的快速光声层析成像装置,首次实现了基于多元阵列探测器的光声成像。