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搜索耗时2.7768秒,为你在为你在102,285,761篇论文里面共找到 19 篇相符的论文内容
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Effect of volume fraction of ramie cloth on physical and mechanical properties of ramie cloth/UP res
[期刊论文] 作者：LEIWen，LEIWen-guang，RENChao,
来源：中国有色金属学报（英文版） 年份：2006
...
[期刊论文] 作者：LeiWen,JianrongWang,LiliHu,LiyanZhang,
来源：ChineseOpticsLetters 年份：2011
Nd3 strengthens the Er3 :2.7-\mu m emission 104 times in fluorophosphate glass; in addition, it can also decrease its upconversion effects and the 1.5-\mu m emission accordingly. Cross-relaxation process is the principal transition mechani......
[期刊论文] 作者：LAI MeiShuang,XIANG LeiWen,LIN,
来源：中国科学：化学英文版 年份：2013
A wavelength dispersive X-ray fluorescence (WD-XRF) spectrometry combined with calibration curve method was established for simultaneously analyzing low-Z eleme...
[期刊论文] 作者：TianfengXue,LiyanZhang,LeiWen,MeisongLiao,LiliHu,
来源：ChineseOpticsLetters 年份：2015
We report an Er3...
[期刊论文] 作者：JianhuYang,LeiWen,ShixunDai,LiliHu,ZhonghongJiang,
来源：ChineseOpticsLetters 年份：2003
Upconversion luminescence of Er^(3 )/Yb^(3 )-doped halide tellurite glass is investigated experimentally upon 976-nm excitation. Three intense emissions centered at 525, 545 and 655 nm owing to the transitions (2)^H_(11/2) → (4)^I_(15/2), ......
[期刊论文] 作者：Jing Fu Pengfei Guan Leiwen Zh,
来源：遗传学报 年份：2008
The donor cells from different individuals and with different foreign genes introduced were investigated to determine their effects on the efficiency of somatic...
[期刊论文] 作者：Jing Fu,Pengfei Guan,Leiwen Zh,
来源：黑龙江科技学院学报 年份：2008
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
[期刊论文] 作者：JianhuYang,ShixunDai,LeiWen,NengliDai,LiliHu,ZhonghongJiang,
来源：ChineseOpticsLetters 年份：2003
Er^(3 )-doped heavy metal borosilicate glasses were prepared using conventional melting and quenching method. The emission spectra of (4)^I_(13/2) → (4)^I_(15/2) transition were observed upon excitation at 974 nm and the lifetime of (4)^I_......
Quantitative analysis of elements (C,N,O,Al,Si and Fe) in polyamide with wavelength dispersive X-ray
[期刊论文] 作者：LAI MeiShuang,XIANG LeiWen,LIN J,
来源：Science China(Chemistry) 年份：2020
...
Enhancement of upconversion luminescence due to the formation of nanocrystals in Er3+-doped tellurit
[期刊论文] 作者：GangZhou，ShixunDai，ChunleiYu，JunjieZhang，GuonianWang，LeiWen，ZhonghongJiang,
来源：黑龙江科技学院学报 年份：2006
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
Enhancement of upconversion luminescence due to the formation of nanocrystals in Er3 -doped tellurit
[期刊论文] 作者：GangZhou,ShixunDai,ChunleiYu,JunjieZhang,GuonianWang,LeiWen,ZhonghongJiang,
来源：ChineseOpticsLetters 年份：2006
Optically transparent Er3 -doped tellurite-based nanocrystallized glasses with the composition of 70TeO2-15Li2O-15Nb2O5-0.5Er2O3 (mol) have been prepared by a conventional melting quenching and the subsequent heat treatment processes. The s......
Quantitative analysis of elements (C,N,O,Al,Si and Fe) in polyamide with wavelength dispersive X-ray
[期刊论文] 作者：LAI MeiShuang,XIANG LeiWen,LIN Jin-Ming,LI Hai-Fang,,
来源：Science China(Chemistry) 年份：2013
A wavelength dispersive X-ray fluorescence (WD-XRF) spectrometry combined with calibration curve method was established for simultaneously analyzing low-Z eleme...
[期刊论文] 作者：JunjiangHu,TaoMeng,HuiyeChen,LeiWen,JingpingTang,CongjuanWang,YingLin,ShubinChen,WeiChen,LiliHu,
来源：ChineseOpticsLetters 年份：2014
An Nd:glass disc requires an edge cladding to absorb the amplified spontaneous emission. The absorption is determined by reflections (R) from disc edges. R is primarily induced by the refractive index (n) mismatch. Thus, the temperature at ......
[期刊论文] 作者：雷文，郑勇，刘文俊，汪胜祥，LeiWen，ZHENGYong,
来源：城市道桥与防洪 年份：2005
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥...
[期刊论文] 作者：雷文，韩阳，雷文广，许弛，LEIWen，HANYang，LE,
来源：塑料工业 年份：2007
...
Theory-guided interventions for Chinese patients to adapt to heart failure: A quasi-experimental stu
[期刊论文] 作者：Xiyi Wang,Leiwen Tang,Doris Howell,Qi Zhang,Ruolin Qiu,Hui Zhang,Zhihong Ye,
来源：国际护理科学（英文） 年份：2020
Objectives: To examine the effects of the Roy Adaptation Model-based interventions on adaptation in persons with heart failure.Methods: A quasi-experimental stu...
[期刊论文] 作者：晁志超，雷雯，胡绍民，李革，CHAOZhi-chao，LEIWen，HUShao-min，LIGe,
来源：黑龙江科技信息 年份：2006
本文通过对荣华二采区10...
Supplement to the published paper “Theory-guided interventions for Chinese patients to adapt to hear
[期刊论文] 作者：Xiyi Wang,Leiwen Tang,Doris Howell,Qi Zhang,Ruolin Qiu,Hui Zhang,Zhihong Ye,
来源：国际护理科学（英文） 年份：2021
We appreciate the question raised in a discussion with a reader and the editor about an instrument for outcome measure of the quality of life among people with...
[期刊论文] 作者：于理科，徐波，王占国，金鹏，赵昶，雷文，胡良均，刘宁，YuLike，XuBo，WangZhanguo，JinPeng，ZhaoChang，LeiWen，HuLiangjun，LiuNing,
来源：城市道桥与防洪 年份：2006
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥...
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