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本文采用碳酸盐沉淀法制备纳米级稀土氧化物,并以纳米级稀土氧化物为原料制备细颗粒YO:Eu红色荧光粉.测试表明细颗粒YO:Eu为亚球形......
对Ｙ〈，２〉Ｏ〈，３〉－ＺｒＯ〈，２〉陶瓷材料的烧结特性进行了实验研究。利用扫描电子显微镜、Ｘ光衍射仪、Ｖ氏硬度仪等研究了氧化钇部分稳定氧化锆在不同......
通过不同烧结温度下Y掺杂钛酸钡陶瓷的XRD分析,结合SEM微观结构观察,论述了稀土Y在钛酸钡中的掺杂机制和半导化进程.结果表明;在较......
High-resolution electronic spectra of yttrium oxide(YO)Ⅱ:spectroscopic study on the [33.2]2Π and A&#
The [33.2]2Π1/2,3/2 and A2Δ5/2 electronic states of the astrophysically relevant yttrium oxide(YO)molecule have been e......
今jīn天tiān是shì恐kǒnɡ龙lónɡ馆ɡuǎn参cān’观ɡuān日rì。一yí大dà早zǎo，小xiǎo狼lánɡ和hé小xiǎo伙huǒ伴bà......
小xiǎo朋pénɡ友you们men好hǎo，我wǒ是shì园yuán丁dīnɡ鸟niǎo小xiǎo园yuán，告ɡào诉su你nǐ一yí个ɡè秘mì密mì，我wǒ......
AIM: To investigate whether endoscopic papillary large balloon dilation(EPLBD) can be safety and effectively performed i......
A new method of eliminating chirp using normal dispersion fiber(NDF)is presented. This method is analyzed by theory, num......
不了解YOYO的人,会觉得YOYO球很简单。的确,玩一颗YOYO就如泡一壶茶般。可以很简单,也可以很复杂。其中的差别就在于参与者是否浅......
On the advent of the“International Human Rights Day”on Dec.10, 2007,our staff reporter Interviewed Research Fellow Mo ......
