放射性材料

Scientific testing has shown that today many modern decorative decoration materials will bring different levels of pollution, radioactive, asphyxiating and hazards.

科学检测表明，如今很多现代装饰装修材料会带来不同程度的污染性、放射性、窒息性等危害。

The fiber film material with the radioactive nuclide mark is covered at a tumour part or a lesion tissue part after resection, thereby effectively killing the residual tumour cells, and playing roles in stanching, healing wound and preventing adhesion and so on.

将上述放射性核素标记的纤维膜材料包裹在肿瘤或手术切除后的病变组织部位，对残余的肿瘤细胞进行有效灭杀，可以发挥纤维膜的止血、促进伤口愈合以及防粘连等功能。

Due to its exceptional structure, theNASICON-type zirconium phosphates exhibit excellent properties of ionicconduction, low thermal expansion and capability of ion exchange, etc. As aresult, they are one kind of outstanding carriers for antimicrobial, catalysts,nuclear radwaste and so on.

得益于其结构的特殊性，这一类材料具有良好的离子导电、低热膨胀和离子交换等性能，是抗菌剂、催化剂和固定核废料放射性同位素等极好的载体。

Advantageous physical and chemical characteristics, the highly purified and ultra-fine fused spherical quartz powders (spherical silica powder—SSP) become indispensable for packing and sealing materials in LSI and SLSI. The actuality of research and development of SSP in China is studied and the international situation of production is also introduced briefly.

高纯超细熔融球形石英粉由于具有高纯度、高耐热、高耐湿性、高可靠性、高填充量、低粘度、低放射性、低应力、低膨胀、低摩擦系数等优越的物理化学性能，在大规模、超大规模集成电路的基板和封装料中，成了不可缺少的优质材料。

A unique copper target design for production of radioactive 〓Zn is presented and it thermal property is tested.

靶材料的研究制备以及放射性核素的释放都是需要解决的关键技术问题。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。