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The Impact of Debt Financing on Corporate R & D Investment Behavior in China--Based on the Empirical
[会议论文] 作者：Shengqiang Liu, Dandan Chang,,
来源： 年份：2004
Base on panel data of manufacturing and high-tech industry companies which discoursed R & D expenditure in financial statements from 2004 to 2011, this paper st...
The Impact of Debt Financing on Corporate R ＆ D Investment Behavior in China ——Based on the Empirica
[期刊论文] 作者：Shengqiang LIU,Dandan CHANG,
来源：国际英语教育研究：英文版 年份：2015
...
[期刊论文] 作者：HUANG Cong,LIU Dandan,GUO Jing,
来源：空间科学学报 年份：2019
In this work,the daily height variations of SZ-5(Shenzhou-5) cabin from 22 October to 28 November in 2003 are analyzed,which includes the period of the Hallowee...
[期刊论文] 作者：LIU Dandan,HUANG Cong,WANG Wen,
来源：城市道桥与防洪 年份：2016
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...
Effect of Dy^3＋on osteogenic and adipogenic differentiation of mouse primary bone marrow stromal cel
[期刊论文] 作者：ZHANG JinChao,LIU DanDan,SUN J,
来源：中国科学通报：英文版 年份：2009
A series of experimental methods including 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bro-mide (MTT) test,alkaline phosphatase (ALP) activity measure...
The effects of gold nanoparticles on the proliferation, differentiation, and mineralization function
[期刊论文] 作者：LIU DanDan,ZHANG JinChao,YI Ch,
来源：中国科学通报：英文版 年份：2010
这研究在 vitro 在鼠科的 preosteoblast 房间线 MC3T3-E1 的增长，区别，和矿化作用上调查了金 nanoparticles (Au NP ) 的效果。结果证明有 20 和 40 nm 的直径的 Au NP 在 1.5...
[会议论文] 作者：ZHU Linlin,JING Runtian,LIU Dandan,
来源：南开大学 年份：2013
Given the increasingly dynamic and complex situation of organizational environment, Chinese enterprises need not only exploitative learning to maintain its competitive edge, but also the explorative l...
[期刊论文] 作者：Lei Liu,Dandan Fu,Yupu Zhu,Dan,
来源：国际计算机前沿大会会议论文集 年份：2015
The bootstrap technique is a powerful method for assessing the accuracy of parameters estimator, that have been widely applied on statistical and signal process...
[期刊论文] 作者：Hao Liu,DanDan Li,YaHui Xue,Pe,
来源：中国科学：物理学、力学、天文学英文版 年份：2016
In this paper, we perform a numerical simulation of the cavitating flow around an underwater hemispherical-head slender body running at a high speed. For the fi...
[期刊论文] 作者：Huan Liu,Dandan Jiang,Fangtao Chi,Bin Zhao,
来源：蛋白质与细胞 年份：2012
Stem cells and progenitor cells are the cells of origin for multi-cellular organisms and organs.They play key roles during development and their dysregulation g...
[期刊论文] 作者：HUANG Cong,LIU Dandan,GUO Jing,ZHANG Xiaoxin,,
来源：空间科学学报 年份：2019
In this work,the daily height variations of SZ-5 (Shenzhou-5) cabin from 22 October to 28 November in 2003 are analyzed,which includes the period of the Hallowe...
[期刊论文] 作者：LIU Dandan,HUANG Cong,WANG Wenbo,GUO Wenbin,,
来源：Chinese Journal of Electronics 年份：2016
High energy-efficient wireless communication has become hot due to global low-carbon economy.The systems total transmitting power can be saved by resource alloc...
Synthesis of multifunctional ABC stars with a reduction-labile arm by consecutive ROP, RAFT and ATRP
[期刊论文] 作者：Huanhuan Liu,Dandan Tang,Rupei Tang,Youliang Zhao,,
来源：Science China(Chemistry) 年份：2015
This study aims at versatile synthesis of 3-arm ABC-type(A=poly(?-caprolactone), PCL; B=poly(N-isopropylacrylamide), PNIPAM; C=poly(tert-butyl acrylate), Pt BA,...
Synthesis and Properties of Reduction-Cleavable Core-Couplable AmBn-Type Miktoarm Starlike Copolymer
[会议论文] 作者：Cangxia Li,Huanhuan Liu,Dandan Tang,Youliang Zhao,
来源：The First International Symposium on Translational Nanomedic 年份：2015
Amphiphilic(PEG)m(PCL)n(m ≈ n ≈ 23)miktoarm starlike copolymers with a disulfide-linked epoxy-functionalized branched core were efficiently synthesized by combination of self-condensing vinyl polymeri...
[会议论文] 作者：Yanning Li,Junxia Wang,Ying Xie,Shufeng Liu,Dandan Li,
来源：第十二次全国医学遗传学学术会议 年份：2013
Objective To investigate the change patterns of Histone 3 lysine 9 acetylation (H3K9ac) and the expression profile of histone deacetylase 1(HDAC1), HDAC3, HDAC4 and HDAC6 in zebrafish development.Meth...
Overoxidized poly(3,4-ethylenedioxythiophene)-gold nanoparticles-graphene-modified electrode for the
[期刊论文] 作者：Junqiang Pan,Mei Liu,Dandan Li,Haonan Zheng,Dongdong Zhang,
来源：药物分析学报（英文版） 年份：2021
An innovative,ternary nanocomposite composed of overoxidized poly(3,4-ethylenedioxythiophene)(OPEDOT),gold nanoparticles (AuNPs),and electrochemically reduced graphene oxide (ERGO) was prepared on a glassy carbon electrode (GCE) (OPEDOT-AuN......
[期刊论文] 作者：Wang Yong,Liu Dandan,Feng Guoqing,Ye Zhen,Gao Zhanqi,Wang Xiaohua,
来源：城市道桥与防洪 年份：2015
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：Wang Yong,Liu Dandan,Feng Guoqing,Ye Zhen,Gao Zhanqi,Wang Xiaohua,
来源：城市道桥与防洪 年份：2015
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...
[会议论文] 作者：Huan Liu,Changlong Yin,Bin Liu,Dandan Liu,Xuehui Li,Chenguang Liu,
来源：第十七届全国催化学术会议 年份：2014
...
[期刊论文] 作者：Cen Zhang,Juan Liu,Dandan Xu,Tianliang Zhang,Wenwei Hu,Zhaohui Feng,
来源：分子细胞生物学报（英文版） 年份：2020
p53 is a key tumor suppressor,and loss of p53 function is frequently a prerequisite for cancer development.The p53 gene is the most frequently mutated gene in h...
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