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我国新方法测定硒原子量成新国际标准


 来源:中国科学报

  本报讯(记者闫洁 通讯员刘旭红)体育外围在日前于土耳其召开的国际纯粹与应用化学联合会同位素丰度与原子量委员会会议上,由中国计量科学研究院(以下简称中国计量院)化学分析所王军团队建立的硒同位素丰度校正质谱法测量工作被评为最佳测量,采用该方法测量的硒原子量(78.9711(9))被采纳为新的硒原子量国际标准值。

体育外围  XIYOU6ZHONGTONGWEISU,BINGYIDUOZHONGBUTONGDEHUAXUEXINGTAIHEYANGHUAHAIYUANZHUANHUANXINGSHICUNZAIYUSHENGTAIHUANJING、RENTIHEDONGWUTINEI,SHIXITONGWEISUCHENGWEISHENGTAIHUANJING、DIQIUHUAXUEHESHENGWUFAZHANJINCHENGYANJIUZHONGHENHAODESHIZONGJI。DANYOUYUXIYUANSUDENANDIANLI、XINGTAIFUZA、CELIANGZHONGGANRAOYINSUDUODENGWENTI,SHIDEXITONGWEISUDEZHUNQUECELIANGYIZHINANYISHIXIAN。

  CIQIAN,XIYUANZILIANG(78.96)SHIYUANSUZHOUQIBIAOZHONGZUILAODESHUJU。CICIXINDEXIYUANZILIANGCELIANGCAIYONGLEJINNIANLAIGUOJIGONGRENDETONGWEISUQUANWEICELIANGFANGFA——XIAOZHENGZHIPUFA,CELIANGJIEGUODEBUQUEDINGDUBIYUANYOUGUOJIBIAOZHUNTIGAOLELIANGGESHULIANGJI。

体育外围  JUJIESHAO,XIYUANZILIANGCELIANGSHITONGGUOGUOJIA“SHIYIWU”KEJIZHICHENGJIHUAXIANGMU“YILIANGZIWULIWEIJICHUDEXIANDAIJILIANGJIZHUNYANJIU”KETI“TONGWEISUFENGDUJIZHUNDEYANJIU”WANCHENGDE。JINGGUO4NIANDENULI,KETIZUJIANLILEXITONGWEISUXIAOZHENGZHIPUCELIANGFANGFA;CELIANGLELAIZIMEIGUO、ZHONGGUO、BILISHIDENGDIDE7ZHONGGAOCHUNXIYANGPINDETONGWEISUFENGDUZUCHENGJIQIYUANZILIANG,YANZHILE11ZHONGXITONGWEISUBIZHIRONGYEGUOJIAYIJIBIAOZHUNWUZHI,TIANBULEGUONEIWAIXITONGWEISUJILIANGBIAOZHUNDEKONGBAI;ZAICIJICHUSHANG,SHENBAOLE5XIANGXITONGWEISUXIAOZHUNYUCELIANGNENGLI,MUQIANYIZAIGUOJIJILIANGJUGUANJIANBIDUIKUZHONGGONGBU。

体育外围  《ZHONGGUOKEXUEBAO》 (2013-10-10 DI4BAN ZONGHE)


文章分类: 行业新闻