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Chinese translation for "eu2"

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Example Sentences:
1.A new method of synthesizing sral2o4 eu2 dy3 luminescent powder
型发光粉合成新方法
2.In present , few research work has been carried out to prepare sral2o4 : eu2 + , dy3 + through other methods
至于用其它方法能否成功制备出该发光材料,还少见报道。
3.Determination of trace non - rare earth impurities in high - purity eu2 o3 by icp - aes after enrichment by partial dissolution of gallium
电感耦合等离子体发射光谱法测定高纯氧化铕中非稀土杂质
4.Eu2 + ion activated strontium aluminate phosphors are a kind of photoluminescent materials with high brilliance , long afterglow and stable performance
稀土铕离子掺杂的铝酸锶基质发光材料是一类发光亮度高、余辉时间长、性能稳定的长余辉发光材料。
5.In this paper , sral2o4 : eu2 + , dy3 + phosphor with good photoluminescence properties was synthesized successfully through sol - gel method . be compared with conventional solid state method , the reaction temperature can be greatly decreased
该方法较传统的固相反应法明显、有效的降低了反应烧成温度,且产品具有粒径小而均匀的优点。
6.It adopt benz engines , with top technology and strong power , also with economical and energy saving character . its designing requirements are completely according to eu2 eu 3 standard with low emission , low noise , and effective environmental protection characters
据悉,广州市交委把建立全面的lpg安全保障体系工作正式列入议程,并在前期工作基础上迅速草拟了安全保障体系讨论稿,经讨论审定后将全面执行。
7.Psl occurs while eu2 + transferring from 4fb5d7 to 4f7 or when exciton transferring to 4f7 defectively . we give the physical imagination about several possible migration paths of f center , which offer more full and accurate theory basis to comprehend the cause of psl phenomenon in bafbr : eu2 + crystal
我们详细给出了在bafbr : eu ~ ( 2 + )晶格中不同位置f心可能移动路径的物理图景,从而为更好的理解bafbr : eu ~ ( 2 + )晶格中psl现象的产生提供了更加翔实的理论依据。
8.The silicate is more stable than the aluminate . and have better adaptable , but its luminescence properties do not achieve aluminates there a lot of work must be done for improving the luminescence properties of silicate . the paper have researched detailedly the system of sr2mgsi2o7 : eu2 + , dy3 +
而硅酸盐体系化学性质较铝酸盐体系稳定,具有更好的适应性,但硅酸盐体系的发光性能尚未达到铝酸盐体系水平,进一步提高硅酸盐体系的发光性能,还需做更深入的工作。
9.By the study of the whole decay curves of 10 hours , the influence of each step is summarized , and the best stoichiometry and preparation techniques are acquired . the crystal structure of sral2o4 eu2 + , dy3 + is monoclinic system , which is a high efficiency luminescence crystal structure . the emission spectrum and the excitation spectrum of sral2o4 eu2 + , dy3 + powder are measured
此外,通过x射线衍射谱确定了所制备的sral _ 2o _ 4 : eu , dy长余辉材料晶体为单斜晶系结构,并测量其发射光谱,激发光谱,初步讨论了sral _ 2o _ 4 : eu , dy长余辉蓄能材料可能的发光机理。
10.We researched the influences of systhesis temperature , heat preservation time , eu + concentration , reduction surrounding feeling and flux on luminescent properties of sral2o4 : eu2 + phosphors , optimized the experiment conditions and reduced systhesis temperature about 100 c . we found that the systhesized sample ' s luminescent brightness is better with increasing systhesis temperature , but the phase component is more complex . we found that the luminescence brightness of sample appear a increasing process at first , and then a reducing one with the raise of eu2 + concentration , it indicated that the luminescence brightness is not better if the eu2 + concentration is too high or low . we found that the systhesized sample can not bright at too long heat preservation time , and the luminescence brightness is lower at too short heat preservation time . we found that particle diameter is bigger , the wavelength of emission peak is longer
研究发现合成温度高,合成样品的发光效果好,但物相组成也较复杂; eu ~ ( 2 + )离子在一定掺杂浓度范围内,合成样品的发光亮度先是出现一个提高过程,然后是一个降低过程,说明eu ~ ( 2 + )离子浓度高或低都不利于合成样品发光;保温时间较长,合成样品不发光,保温时间较短,合成样品发光效果不好,只有合适的保温时间才能合成发光效果好的样品;合成样品的粒径大小与发射峰的位置具有一定的关系,粒径越大,发射峰越偏向长波方向;助熔剂对样品的合成温度和发光性能都有影响,助熔剂的量较低时,主要表现为助熔作用,对发光影响不大,助熔剂的量较高时,使得样品发光亮度降低和余辉时间缩短;还原方式的不同,合成样品的发光性能也不一样。
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