101 Result(s)

Article

Microstructures and optical properties of sol-gel derived TiO₂ anatase thin films

TiO₂ anatase thin films on quartz substrates were prepared with sol-gel method. The dry gel films, made by spin coating 10 times, were calcined at various temperatures. From X-ray diffraction analyses, it is foun...

Liu Zhong-chi, Zou Hua-min, Zhong Jia-cheng… in Wuhan University Journal of Natural Scienc… (1999)

Article

Preparation and photoconductivity of Fe-phthalocyanine Derivation and C₆₀ composite films

Fe (III)-2,9,16,23-tertracarboxy-phthalocyanine (Fe (Hl)-taPc) was synthesized, and bonded to polystyrene (PS) with covalence by Friedel-Crafts reaction to form a new polymer (Fe (Hl)-taPc-PS) (polymer (II)). ...

Jian-ming Chen, Jian-cheng Zhang, Yue Shen… in Journal of Shanghai University (English Ed… (2001)

Article

The energy transfer in Pr³⁺/Yb³⁺ Co-doped fiber amplifier

Huang Qi, Li Cheng-fang, Zhong Jia-cheng… in Wuhan University Journal of Natural Scienc… (2001)

Article

Laser cooling using anti-stokes fluorescence in Yb³⁺-doped fluorozirconate glasses

The fluorozirconate glasses ZBLANP (ZrF₄−BaF₂−LaF₃−NaF−PbF₂) doped with different Yb³⁺ concentration were prepared. The Raman spectra and absorption spectra are measured to substantiate the existence of phonon-as...

Xu Tian-ming, Li Cheng-fang, Zhou **ao… in Wuhan University Journal of Natural Scienc… (2002)

Article

Development of the CAS-LIBB single-particle microbeam for localized irradiation of living cells

A single-particle microbeam facility has been constructed at the Key Laboratory of Ion Beam Bioengineering (LIBB), Chinese Academy of Sciences (CAS). The system was designed to deliver a defined numbers of hyd...

Xufei Wang, **aohua Wang, Lianyun Chen, Zhiwen Hu, Jun Li… in Chinese Science Bulletin (2004)

Article

Photocatalytic oxidation of NO _x with porous TiO₂ nanometer thin film

A new kind of porous nano TiO₂ composite films was prepared on the glass substrate with the water glass as binders and the sodium fluorosilicate as solidifying reagent. The morphologies of the films were studied ...

Wang Song-lin, Tian Li-hong, Zhong Jia-cheng… in Wuhan University Journal of Natural Scienc… (2005)

Article

Role of ethylene signaling in the production of rice volatiles induced by the rice brown planthopper Nilaparvata lugens

Ethylene signaling pathway plays an important role in induced plant direct defense against herbivores and pathogens; however, up to now, only few researches have focused on its role in induced plant indirect d...

Yujie Lu, **a Wang, Yonggen Lou, Jiaan Cheng in Chinese Science Bulletin (2006)

Article

β-Glucosidase treatment and infestation by the rice brown planthopper Nilaparvata lugens elicit similar signaling pathways in rice plants

β-Glucosidase has been reported to induce the production of herbivore-induced plant volatiles. However, how it works remains unclear. Here, we investigated the levels of salicylic acid (SA), jasmonic acid (JA)...

**a Wang, Guo**n Zhou, CaiYu **ang, MengHao Du, JiaAn Cheng… in Chinese Science Bulletin (2008)

Article

Timing of the Wudangshan, Yaolinghe volcanic sequences and mafic sills in South Qinling: U-Pb zircon geochronology and tectonic implication

The Wudangshan, Yaolinghe volcanic-sedimentary sequences and doleritic-gabbroic sills comprise the largest exposed Precambrian basement in South Qinling. Zircons separated from 5 volcanic-pyroclastic samples o...

WenLi Ling, BangFang Ren, RuiChun Duan, **aoMing Liu, **nWu Mao… in Chinese Science Bulletin (2008)

Article

Preparation and characterization of mesoporous indium oxide

Indium oxide nanocrystals with mesoporous structure were successfully synthesized by using triblock copolymer as a template, and characterized by thermogravimetry-differential scanning calorimeter (TG-DSC), X-...

Yi-zhe Zhao 赵毅喆, Zhi-xuan Cheng 程知萱… in Journal of Shanghai University (English Ed… (2009)

Article

DC gain analysis of scaled CMOS op amp in Sub-100 nm technology nodes: A research based on channel length modulation effect

Metal-oxide-semiconductor field effect transistor (MOSFET) intrinsic gain degradation caused by channel length modulation (CLM) effect is examined. A simplified model based on Berkeley short-channel insulator-...

Jia Cheng 程 嘉, Jian-fei Jiang 蒋建飞… in Journal of Shanghai Jiaotong University (S… (2009)

Article

Differential gene expression profiling in the developed ovaries between the parthenogenetic and bisexual female rice water weevils, Lissorhoptrus oryzophilus Kuschel (Coleoptera: Curculionidae)

The rice water weevil, Lissorhoptrus oryzophilus Kuschel (Coleoptera: Curculionidae), reproduces by sex in the Southeastern United States, but reproduces by parthenogenesis in California and other invaded regions...

Pu Yang, WenWu Zhou, Qin Zhang, JiaAn Cheng, ZengRong Zhu… in Chinese Science Bulletin (2009)

Article

Superconducting energy storage flywheel—An attractive technology for energy storage

Flywheel energy storage (FES) can have energy fed in the rotational mass of a flywheel, store it as kinetic energy, and release out upon demand. The superconducting energy storage flywheel comprising of magnet...

Ji-qiang Tang 汤继**, Gang Liu 刘 刚… in Journal of Shanghai Jiaotong University (S… (2010)

Article

Role of Drosophila alkaline ceramidase (Dacer) in Drosophila development and longevity

Ceramidases catalyze the hydrolysis of ceramides to generate sphingosine (SPH) and fatty acids, and ceramide metabolism is implicated in various biological responses in Drosophila melanogaster. Here we report the...

Qiong Yang, Zhong-Jun Gong, Ying Zhou… in Cellular and Molecular Life Sciences (2010)

Article

U-Pb dating of detrital zircons from the Wudangshan Group in the South Qinling and its geological significance

U-Pb dating was made by the LA-ICP-MS method for detrital zircons from the Wudangshan volcanic-sedimentary succession in the South Qinling. Samples comprise quartz sandstones of the Wudangshan Group collected ...

WenLi Ling, RuiChun Duan, **aoMing Liu, Jian** Cheng… in Chinese Science Bulletin (2010)

Article

Amelioration of sepsis by inhibiting sialidase-mediated disruption of the CD24-SiglecG interaction

The sialic acid–dependent interaction of the co-inhibitory receptors CD24 and SiglecG prevents excessive inflammatory responses to pathogen infection. Chen et al. show that microbial sialidases exacerbate sepsis ...

Guo-Yun Chen, ** Chen, Samantha King, Karen A Cavassani… in Nature Biotechnology (2011)