jetting

The problems in design and construction for the water jet grouting curtain process,which is to remedy a plain landfill site,was discussed via the real remediation engineering in Asuwei landfill site.

通过北京市阿苏卫填埋场防渗补救工程实例,探讨了射水造墙技术在平原型垃圾场防渗补救中的设计、施工及注意问题。

Study of gangue jet cement featured C_(11)A_7·CaF_2and C_4A_3;

矿相煤矸石C_(11)A_7·CaF_2和C_4A_3快硬喷射水泥的试验研究

In this paper,coal gangue is used as substitute of alum clay to prepare jet cement applied in mining and substructure work.

研究了用煤矸石代矾土配料制备矿山及地下工程用喷射水泥,该水泥含主要矿相C11A7·CaF2、C4A3S、C3S和少量矿相C2S。

The radiation level of color glazed brick faience made in china,the limit value of color glazed brick faience used to interior decoration and ways to radiate human body are introduced in the paper.

简述了我国国产彩釉砖的辐射水平、室内装修彩釉砖的限值以及它对人体产生辐射的途径 ,提出了放射防护管理措施和存在的问

It was showed that the shell of the instrument had a radiation level of 138.

结果表明,“核子仪”表面及外包装箱表面10cm辐射水平较高,为13811μSv·h-1和4029μSv·h-1,未发现由辐射源引起的放射污染,“核子仪”开启、关闭状态下1m直径处辐射水平较高,但随着距离的增大迅速减小,至5m距离时,已接近天然本底值。

Objective: To investigate the current status and radiation levels of gangue product in the region of changzhi city of shanxi province.

目的:对长治市辖区内的煤矸石及其辐射水平进行调查。