349 Result(s)

Article

Effect of static magnetic field on activity of immobilized α-amylase

Liushui Yan, Yuanbao Zhu, Shuang’e He, Zhixiang Cao in Chinese Science Bulletin (1997)

Article

CO* /CO exchange on Pd(111) at low temperature

The behavior of CO*/CO exchange in a low temperature region is different from that in the high temperature region^[5]. From 193 to 203 K, the terminal-molecule exchange with the gas phase molecules is dominant, wh...

Taishan Fan, Yuming Cao, **anchun Liu, Runsheng Zhai… in Chinese Science Bulletin (1997)

Article

A MESFET variable-capacitance analytical model

A variable-capacitance model suitable for MMIC active voltage-controlled filter has been reported. The analytical expression is also given for the gate capacitance as a function of the gate bias. Since the fre...

**aowei Sun, **sheng Luo, Zongming Zhou, **rong Cao… in Chinese Science Bulletin (1997)

Article

Screening and structure analysis of a cDNA encoding RNA-binding protein

Kuiyi **ng, Hua **n, Kaiming Cao, Chongrong Sun in Chinese Science Bulletin (1997)

Article

Anti-duck hepatitis B virus mechanism by Shui Qin extraction

Zhengming Huang, **nbo Yang, Wenbin Cao in Chinese Science Bulletin (1997)

Article

Quenching rate constants for metastable molecule PCI (b¹∑⁺, v′ = 0)

Chuanpu Liu, Shengli Zou, **gzhong Guo, Yueshu Gu, Dezhao Cao… in Chinese Science Bulletin (1997)

Article

Study on uranium I odd parity energy levels using chemical pattern recognition techniques

**aowei Cao, Honglin Liu, Nianyi Chen in Chinese Science Bulletin (1997)

Article

Discovery of fossil monocotyledons from Yixian Formation, western Liaoning

This is the first reports of a few fossil monocotyledons, includingLiaoxia chenii gen. et sp. nov. (belonging to Cyperaceae),Eragrosites changii gen. et sp. nov. (Gramineae) and a monocotyledonous leaf-shoot, obt...

Zhengyao Cao, Shunqing Wu, **’an Zhang, Jieru Li in Chinese Science Bulletin (1998)

Article

Global existence theory for the two-dimensional derivative Ginzburg-Landau equation

The generalized derivative Ginzburg-Landau equation in two spatial dimensions is discussed. The existence and uniqueness of global solution arc obtained by Galerkin method and bya priori estimates on the solution...

Zhenchao Cao, Boling Guo, Bixiang Wang in Chinese Science Bulletin (1998)

Article

Enhancement of the photoluminescence intensity of porous silicon by absorbed organic molecule

Feng Yin, Xue** Li, Xurui **ao, Baowen Zhang, Yi Cao… in Chinese Science Bulletin (1998)

Article

Theoretical potential function represented by networks

The model of theoretical potential function represented by networks has been proposed. Quantum chemicalab initio method is used to ralculnte the interionic potential of molten salt systems. The physical contents ...

Liu Honglin, Qu Liman, Cao **aowei in Chinese Science Bulletin (1998)

Article

Diophantine equationAx ²+B=y ⁿ

Zhenfu Cao, **aole Dong in Chinese Science Bulletin (1998)

Article

Expression of rabbit defensin NP-1 gene in transgenic tobacco plants and its activity against bacterial wilt

A cDNA-derived 200 bp fragment encoding a rabbit defensin NP-1 mature peptide was ligated into the GUS-less pBH21 to yield pBIC-35NP1. Tobacco leaf discs were genetically transformed with anAgrobacterium tumefacl...

Rongzhao Fu, Yufa Peng, Guangcheng Cao, Jiangsheng Ma… in Chinese Science Bulletin (1998)

Article

Circular dichroism spectra of different structures formed by the oligonucleotides

Under different conditions, oligonucleotides can form several different DNA structures such as duplex, triplex and quadruplex. All these structures exhibit an obvious difference in their CD spectra. The common...

Xueguang Sun, Enhua Cao, Chunli Bai, Yujian He, **gfen Qin in Chinese Science Bulletin (1998)

Article

Expression, distribution and function of the focal adhesion kinase (pp125^FAK) during murine ectoplacental cone outgrowthin vitro

Mouse embryo implantation is a complex process that includes trophoblast cells derived from ectoplacental cone (EPC) adhesion to and migration through the extracellular matrix (ECM) of uterine endometrium and ...

Chunyu Zhang, Enkui Duan, Yu**g Cao, Guoqing Zeng in Chinese Science Bulletin (1998)

Article

Protection against malaria by immunization with plasmid DNA encoding cholera toxin B subunit andPlasmodium falciparum epitopes

Cholera toxin B subunit is a good carrier protein and an effective adjuvant which can boost both cellular and humoral immunity. DNA fragments encoding B cell, Th cell and CTL epitopes of P.falciparum CS, MSA-1, M...

Hui Zhong, Cheng Cao, Jiezhi Li, ** Li, Qingjun Ma in Chinese Science Bulletin (1998)

Article

Oxygen-contact charge transfer complexes in organic bicomponent systems

The O₂-CCT absorption spectra of bicomponent systems were measured. The influences of various organic compounds as well as the component concentration on the O₂-CCT formation ability were investigated. The result...

Junmin Zhu, Zheng** Liu, Weixiao Cao, **nde Feng in Chinese Science Bulletin (1998)

Article

Rice transformation with a senescence-inhibition chimeric gene

A senescence-inhibition chimeric gene containing the specific promoter of SAG₁₂ and IPT gene was transferred into rice with the biolistic method. Results of PCR, Dot blotting and Southern blotting indicated that ...

Yongcai Fu, Yueyun Ding, **nfang Liu, Chuanqin Sun, Souyun Cao… in Chinese Science Bulletin (1998)

Article

The nonwandering set of some Hénon map

For the Hénon mapT _{a, b}(x, y) = (1 −ax ² +y, bx), Benedicks and Carleson proved that for (a,b) near (2, 0) andb > 0, there exists a setE with positive Lebesgue measure, whose corre...

Yongluo Cao in Chinese Science Bulletin (1999)

Article

Peritectic solidification under high undercooling conditions

The solidification characteristics of highly undercooled Cu-7.77% Co peritectic alloy has been examined by glass fluxing technique. The obtained undercoolings vary from 93 to 203 K(0.14 T_L). It is found that the ...

Chongde Cao, **aoyu Lu, Bingbo Wei in Chinese Science Bulletin (1999)