1994年6月1日是个非常特别的日子,那就是94年中国当代通俗歌曲演唱会将于今晚在武汉洪山体育馆举行,这台演唱会被圈內人称为是兴旺和繁荣荆楚流行歌坛之创举。这深深吸引着我
Dehydration-melting experiments were conducted on granulite and Al-gneiss,the two most representative rock-types of the khondalite series in the northern segmen
Systematic studies are diven to the genesis and spatial distribution of manganese oxide deposits in Guangxi,Southwest China.The deposits are classified as 3 typ
养老问题正在成为整个社会热议的重点,已引起社会广泛关注。为了解决养老问题,我国虽然已初步建立起三支柱养老保障体系,但三根支柱的发展极不平衡,不利于社会老龄化的解决。
Based on the fluid phase equilibrium of the C-O-H system,the compositions of various fluid phases under high temperatures and pressures have been calculated in
The distribution of chemical elements in the Weinan loess section shows that:(1) carbonate is the critical constituent affecting loess chemistry.The leacing of
<正>患者吴某某,男,52岁,否认系统性疾病,左上门牙拔除6周,要求修复。检查:21牙拔牙创牙龈基本愈合,牙槽嵴唇侧可见凹陷;22牙残根,根管内见金属桩,牙体组织有龋坏,叩(-),松(-
吉林省大安地区分布着大量盐渍土,冬季温度降低后土体发生冻胀会引,会引发一系列工程危害。本文对吉林省大安地区盐渍土体进行野外取样,并进行室内基本物理、化学及物质组成