近年来,随着我们物质生活水平的逐步提高,各种新型复合建筑材料也大量从公共场所进入私人家庭,人们更加关注环境,关心健康。各种材料的放射性问题,自然就越来越引人注目。 天然大理石、花岗石和板石,由于其资源丰富,品质优良,价廉物美,使用范围广,使用位置耀眼醒目,贴近百姓的家居生活,近年发展速度惊人,更引起了人们及媒体的普遍关注。 In recent years, with the gradual improvement of our material living standards, various new composite building materials have also entered private homes from public places. People pay more attention to the environment and care for health. The radioactive problems of various materials naturally become more and more noticeable. Natural marble, granite and slate, due to its rich resources, high quality, low price, high quality, wide range of use, dazzling use of location, close to the people’s home life, the rapid development in recent years, has aroused widespread concern of people and the media. .