【摘 要】
：
Separation and analytical methods are dealt with for amino acids and their enantiomers in samples of geological interest. Agreement is obtained for Jflin meteor
论文部分内容阅读
Separation and analytical methods are dealt with for amino acids and their enantiomers in samples of geological interest. Agreement is obtained for Jflin meteorite and fossil bones between the analyses of the authors' lab and those given by laboratori
其他文献
TL dating technique is of great advantage for determining the initial time of storing energy (T0) in an object to be analyzed. The sample is required to have un
作为电力企业中坚力量的政工人员,他们的综合素质水平直接影响着电力企业管理和运营的效率与效益,对于电力企业的发展,具有重要意义。文章对电力政工人员在当前经济政治环境
本文在分析现阶段医院档案管理工作现状的基础上针对其中所存在的问题提出了相应对策,并理清了今后医院在档案管理工作中的新思路,对医院档案管理工作的创新与发展有很强的借
可调式马蹄形砂袋在防治食道癌和漏斗胸术后并发症的应用谢展发，刘福香（广州军区后勤卫训队）食管癌根治术后发生吻合口瘘是最严重的并发症，也是术后死亡的主要原因之一。据报导其
Based on geological observation and isotopic age data, a continuous cycle of granite iatrnsion from Early-Middle Triassic to Cretaceous has been demonstrated fo
随着信息技术的不断发展,如何更好地保存、管理和利用已积累的数字信息资源是关系到今后提高利用和提供信息的效率、开展多种商业活动的关键问题。
亚砜作为一种新型萃取剂，近年来引起了分析工作者的重视。D．C．Kennedy等通过反相纸色谱考察了数种亚砜在各种介质中对四十多种金属离子的萃取能力，绘制了Rf图谱，指出分离某些元素
古人云:"吾日三省乎吾身。"这告诫我们要敢于自我反省,善于自我反省。又云:"知不足方能思进取。"意思是只有及时地发现自己存在的问题,思考解决问题的办法,工作中才能做到更
Potash deposits and various types of breccia-bearing argillaceous roeksalts and their surfacial salt-dissolved rocks are found in the Lower Tertiary strata in J
本文对我院3例气管肿瘤的诊治情况做了介绍,其中2例成功地进行了气管袖状切除。该病较少见,症状隐匿。对原因不明的咳嗽、呼吸困难的病人,如果查不出心肺方面的疾病,应想到此