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时间:2019-02-03
《GBT4960.3-1996-核科学技术术语核燃料与核燃料循环.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、ICS27.120F40督日中华人民共和国‘国家标准GB/T4960.3一1996核科学技术术语核燃料与核燃料循环Glossaryofterms:nuclearscienceandtechnologyNuclearfuelandnuclearfuelcycle1996一03一31发布1996一10一01实施国家技术监督局发布GB/T4960.3一1996目次1主题内容与适用范围·····································································
2、···⋯⋯‘··⋯‘二‘。。’二12铀矿冶···························································································⋯⋯13铀同位素分离····································”····················································⋯⋯54燃料元件设计与制造···································
3、·······································⋯⋯‘··⋯145核燃料后处理·······························································”······················一17附录A汉语拼音索引(补充件)·····························“···················⋯⋯’·⋯’·”’‘”’·21附录B英文索引(补充件)··························
4、··················“·········⋯⋯’·⋯‘二’·’二’·‘·‘’‘”“26中华人民共和国国家标准核科学技术术语核燃料与核燃料循环GB/T4960.3一1996Glossaryofterms:nuclearscienceandtechnologyNuclearfuelandnuclearfuelcycle主题内容与适用范围本标准规定了核燃料与核燃料循环领域有关的术语及其定义。本标准适用于核燃料与核燃料循环领域内编写标准和技术文件、翻译文献及国内国际技术交流等铀矿冶2门铀矿开采2.1.1溶浸
5、采矿solutionmining通过钻孔或井巷工程,将溶剂注入或喷撒到未经破碎或适当破碎的矿石中,有选择性地溶解矿石中的有用矿物组分,再将溶液抽出处理的过程。2.1.2开拓developement开掘自地表至矿体的主要井巷或堑沟(露夭开采时)的工作,使矿床与地面之间形成完整的运输、通风、排水及其他必要系统,以便在矿床中进行采准和回采工作。2.1.3采准preparatory在开拓工程基础上,根据选定的采矿方法为准备采区而进行的掘进工作。2.1.4回采stopumg在已做完采准的采区内,从矿床中采出矿石的全部过程。
6、包括崩矿、搬运、支护和采空区的处理等工序2.1.5充填采矿法cutandfillstopingmethod在分层采矿过程中,利用砂石等充填料充填采空区,以防止周围岩石塌落的采矿方法2.1.6胶结充填采矿法cementingfillminingmethod用砂砾石混合料添加水泥充填采空区的采矿方法。2.1.7高浓度全尾砂充填法totaltailingswithdenseslurry选矿尾砂直接填充到井下采空区的充填方法。2.1.8留矿采矿法shrinkagestopingmethod为防止围岩崩落,支护采空区,在矿
7、房中自下而上进行回采时,将部分矿石暂时留在采空区的采矿方法。2.1.9空场采矿法open-stopemethod在回采过程中,采空区主要依靠围岩自身的稳固性和少量的矿柱、人工支柱等支撑而进行采矿的方法2.1.10崩落采矿法cavingmethod国家技术监督局1996一03一31批准1996门0一01实施GB/T4960.3一1996借崩落矿体上部的覆盖岩石或两盘围岩来充填采空区,以控制地压和处理采空区的采矿方法。2.1.11无轨采矿法tracklessmining采用无轨设备代替轨道矿车进行采掘、运输的采矿方法
8、。2.1.12氧析出量radonemanationquantity某一时间间隔内析出并进入特定空间的氛的总量。2.1.13氧析出率radonemanationrate在单位时间问隔内穿过单位面积界面析出的氧的量。2.1.14当量氛析出率equivalentradonemanationrate介质表面的氧析出率除以该介质中’2"U百分含量和’"Ra与-U的放射性平衡系数之积
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