Table of Content

12 February 2013, Volume 41 Issue 1

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Thermal Decomposition Analysis of Aluminum Methyl Cyclohexyl Hypophosphite Filled Epoxy Composites

LIU Xue-qing，LIU Ji-yan，ZHOU Heng，WANG Hao，CAI Shao-jun

2013, 41(1):  5-9. 

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Thermal decomposition of aluminum methyl cyclohexyl hypophosphite（Al（MHP））filled epoxy（EP） composite were investigated with thermogravimetric analyses（TG） and fourier transform infrared spectroscopy（FTIR）. The interaction between component during thermal decomposition process was explored with theoretical arithmetic，adopted FTIR to analyse the product of decomposition. Results show that adding Al（MHP）into EP causes the initial decomposition temperature of composite shifting to the lower temperature，but results in a decrease of degradation rate and an increase of carbon forming. FTIR results show the residues are rich in C and P element，The compound with C and P are beneficial for the thermal stability of the composite.

Synthesis，Solidification and Fire Resistance of New Type Epoxy Containing Phosphorus

CAI Shao-jun，LIU Xue-qing，LIU Ji-yan，JIANG He，HU Meng

2013, 41(1):  10-13. 

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Based on the structure of 2-methy-2，5-dioxo-1，2-oxaphospholane（OP）which are cyclic estolide structure，and the ring can be opened through hydrolysis or alcoholysis，studies the reaction feasibility，solidification process and flame retardancy of OP/hydroquinone/epoxy preformed polymer；successfully prepares the epoxy containing phosphorus，the epoxy has good flame retardancy after solidifing 12 h，the limited oxygen index is 25.7%，the calmet burning test reaches UL 94 V-0 grade.

Silver Nano-particle Construct Dendritic Nanostructure for Surface Enhanced Raman Scattering

HU Cheng-long，LIU Ji-yan，PENG Xiang-hong，LIU Xue-qing，CAI Shao-jun

2013, 41(1):  14-18. 

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With facile electrochemical deposition method makes a new and unique dendritic silver nanostructure consist of trunk，branch and leaves. Adopts scaning electronic microscopy（SEM）and X-ray diffraction（XRD）to characterize the structure of silver nanostructure，combined with the structure feature to explore the formation mechanism of dendritic silver nanostructure，the dendritic nano silver has very strong symmetric construction. The unimolecule determination experiment show：because of the structure features of high aspect ratio，numerous interstital structure，single crystal leave shape silver with nano-size，the prepared dendritic silver nanostructure has excellent SERS（surface enhanced Raman Scattering）activity as SEMS substrate，it can be used for ultralow concentration unimolecule determination.

Exact Solution of（2 + 1）-dimensional Boiti-Leon-Pempinelli Equation

ZHAO Yan-li

2013, 41(1):  19-22. 

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The (G′/G) -expansion method is brief introduced to solve nonlinear partial differential equations. Many exact solutions of the（2 + 1）- dimensional Boiti-Leon- Pempinelli equation（BLPE）are obtained with this method and with the aid of Maple，these solutions include hyperbolic function solution，trigonometric function solutions and rational function solutions ect.

Research of Properties of Super Nilpotent Group

Zhang Jia，Guo Ji-dong

2013, 41(1):  23-26. 

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The research of nilpotent groups is a important part of the research of finite groups'theory. The research report of nilpotent groups is plentiful. Decribing properties of nilpotent groups is also difficult. As known， nilpotent groups G have a normal subgroups series：G = G₁…G_r= 1 which makesG_i/G_i+1 ≤Z(G/G_i+1)(i = 1,2,…,r) discusses the generalization of nilpotent groups. Assumes that the factor group is super central and G/G_i+1 is cyclic group. According to it，introduces a definition of super nilpotent groups. Discuss super nilpotent groups' properties with using the theory of finite groups，obtains some meaningful conclusions.

Consumption Structure of City Resident Based on Factor Analysis

YUAN Yun

2013, 41(1):  27-30. 

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The difference of economic development leads to the difference of consumption structure of the resident in each province in China. Collects the date of urban consumption spending in 31 provinces and cities in the first season of 2011 and analysis the data with the method of factor analysis，concluding that there are some differences in consumption among the provinces，therefore puts forward several suggestions on improving our urban consumption structure on this basis.

Model of Asian Option Pricing Driven by O-U Process with Dividend Payment

ZHAO Pan

2013, 41(1):  31-34. 

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Asian option with dividend payments，driven by O-U process were studied by using the martingale and stochastic analysis method. The pricing formulas of the geometric average asianput and call option are obtained，under the circumstance that the stock price is driven by an expo?nential O-U process and has dividend payment.

Properties for a Certain Kind of Analytical Function Defined by Carlson-shaffer Operator

LI Zong-tao，GUO Dong

2013, 41(1):  35-42. 

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A kind of analytical function defined by Carlson-Shaffer operator is studied by using differential subordination. Obtains a set of inequality，the starlike and convolution properties are discussed，popularizes the relative results.

Hajek-Renyi Inequality for ρ -mixing Sequences

WAN Ying

2013, 41(1):  43-46. 

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Promotes the Hajek-Renyi inequality of independent random variable sequence proved by Hajek and Renyi in 1955 to the ρ mixing sequence，then study the strong law of large numbers with applying this inequality.

Synthesis and Photocatalytic Properties of TiO₂/Graphene Oxide Composites

CAO Chun-hua，ZHANG Yu-min，LIU Li

2013, 41(1):  47-50. 

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TiO₂/graphene oxide（TiO₂/GO）composites were prepared by the sol-gel method using tetrabutyl titanate and graphite oxide as the main raw materials. The microstructure of TiO₂/GO composites was analysed by X-ray diffraction（XRD）and transmission electron microscopy（TEM）.Reactive brilliant red X-3B（X-3B）was used as model pollutant to study the photocatalytic activity of the composites. The effect of key factors（the content of graphene oxide，initial dye concentration and catalyst amount）on X-3B degradation was investigated. The results showed that graphene oxide was uniformly covered with sphere-like anatase TiO₂ nanopaticles，which have a diameter of about 10 nm. The results indicated that the photocatalytic activity of TiO₂/GO composites was higher than that of pure TiO₂ and the mixture of TiO₂ and graphite oxide under the same conditions，and the composites had the best photocatalytic activity，when the content of graphene oxide is 100 mg. Moreover，it was found that the rate of photocatalytic degradation decreased with the increase of the initial dye concentration，and the optimum amount of composites was 0.8g/L when the initial concentration of X-3B solution was 100 mg/L，and the degradation rate could reach 96% after 60 min reaction.

Application of Immobilized Microorganism Technology for Printing and Dyeing Wastewater Treatment

LI Duan-lin，LU Xu-jie

2013, 41(1):  51-54. 

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The treatment of printing and dyeing wastewater is a problem of great difficulty and a focus of public attention because of its high color intensity， variation of water quality and poor biodeg? radation. The wastewaters were treated by immobilized microorganism technology. The experimental results showed that the average removal efficiencies of COD and color were over 90% and 70%，respectively，under the conditions of pH = 7，influent concentration = 300 mg/L and hydraulic retention time（HRT）= 16 h.

Study Progress of Preparation Methods of Boron Nitride with High Specific Surface Area

HU Kun-peng，YUAN Song-dong，LUO Yi，XIONG Kun

2013, 41(1):  55-60. 

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Many researches on the preparation of mesoporous hexagonal boron nitride（h-BN）have been made in recent years. Some synthesis methods of h-BN with high specific surface area are introduced，mainly introduces water（solvent）heat-sealing method，template method，organic precursor process，chemical vapor deposition and so on. The characteristics of these methods and existing problems are pointed out. Moreover，the development prospect of these methods and the application prospect of h-BN with high specific surface area are presented.

Attribute Encryption Scheme of Multi-authority

ZOU Xiu-bin

2013, 41(1):  61-66. 

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A user's attributs are usually distributed and authenticated by the different authorities. Proposes a multi-authority attribute-based encryption scheme for this case. The universal attribute set is divided into a number of attribute subsets，moreover，the attribute subsets intersect is null set. For every attribute subset，an authority takes charge of monitoring the attribute value and as?signs a key corresponding to the attribute value. Every senter can encrypt the information with a certain attribute set，and the user obtaining the attribute set can decrypt the encrypted information. The proposed scheme meets the security of IND-sSET-CPA.

Redundant Slices Coding Based on Visual Saliency Model for H.264 Video

ZENG Peng，XU Ping

2013, 41(1):  67-70. 

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Because the traditional saliency model can not balance the fast motion scene and the slow motion scene，improves the movement feature extraction algorithm in modeling method of saliency model，promotes the accuracy of movement saliency subgraph. Considering the human visual system may concentrate more attention on partial region of the picture，applies the improved saliency model into the redundant slices coding for H.264 video，carries out redundant slices coding to the region paid attention by human eyes，so improves the error resilient performance of video stream transmission. The experimental results show that the proposed algorithm can remarkably improve both subjective and objective quality of the decoded picture in the packetloss environment.

Analysis and Prospect of University Information Development Tendency Based on Nolan Model

HUANG Song， GUO Wei

2013, 41(1):  71-75. 

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Informationization development is the booster of education reform for university，it is one of the important means and ways to promote the great-leap-forward development of education career. Relies on the Nolan model which describes the regularity of information system development， to analyse the evolutionary regularity of university informationization development in our country，and uses this as theoretical foundation，explores the connotation of digital campus development and the tendency of university informationization development.

Etomidate Inhibits GABAergic Transmission in Neurons in Ventrolateral Preoptic Area

LIU Yu-wei，HUANG Dan，CHEN Xiao-qing，XV Xiao-li，LI Chang-lei，AI Yong-xun

2013, 41(1):  76-79. 

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Objective：To study the effect of etomidate on GABAergic transmission in neurons of rat ventrolateral preoptic （VLPO）area. Methods：Rat ventrolateral preoptic area slices were prepared. Inhibitory postsynaptic current（IPSC）were investigated using whole-cell patch-clamp recording in VLPO neurons. Results：Etomidate（0.1 μmol/L）reversibly decreased the amplitude of evoked IPSC in VLPO neurons，without changing its paired-pulse ratio（PPR） . Etomidate（0.1μmol/L）decreased the frequency and amplitude of spontaneous IPSC，did not induce appreciable change in the kinetics of the spontaneous IPSC. Conclusion：Etomidate may act presynaptically and postsynaptically to suppress GABAergic transmission to VLPO neurons，this effect may excite these neurons，lead to the inhibition of histaminergic neurons in tuberomamillary nucleus，which will decrease releasing of histamine and result in anesthesia and sedation.

Simvastatin Therapy to Patients with Chronic Obstructive Pulmonary Disease Complicated with Metabolic Syndrome

CHEN Shi， LI Cheng-hong， YE Sheng-lan

2013, 41(1):  83-87. 

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Objective：To investigate the functional mechanism and impact of simvastatin intervention in patients with chronic obstructive pulmonary disease complicated with metabolic syndrome. Methods：60 patients with chronic obstructive pulmonary disease with metabolic syndrome in stationary phase were randomly divided into intervention group and control group. The intervention group was given additional oral simvastatin 8 weeks for a cycle. CAT scores，pulmonary function and the levels of plasma C-reactive protein （CRP），interleukin-6 （IL-6），interleukin-8 （IL-8），SOD，blood lipids were recorded before and after treatment. Results： The CAT scores and CRP levels， interleukin-6（IL-6），interleukin-8（IL-8），SOD，blood lipids decreased in interventiong group after treatment；compared the intervention group before and after treatment，and compared intervention group after treatment to control group after treatment，there was statisticat difference（P<0.05）；in control group， compared before treatment to after treatment，there was no statistical difference. In comparison of FEV1，FEVl％，in intervention group and in control group before and after treatment，between the two groups also，there were no statistical differences（P > 0. 05） . Conclusion：Short term simvastatin treatment can improve the clinical symptoms and reduce the CRP and inflammatory mediators levels in patients with COPD，improve the quality of life，reduce the level of lipids. but can not improve lung function.

Influence of Axilla Lymphatic Metastasis to Prognosis of Infiltrating Breast Cancer

LIU Wen，ZHAO Jian-guo，ZHANG Ying-tian，CUI Jun-kai

2013, 41(1):  88-90. 

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Objective：The number of axillary lymph node （ALN）metastasis is the most important prognostic factor in the patients with infiltrating breast cancer. The purpose of this study is to determine the relationship between the number of nodal metastasis and the survival time without tumor，and make it to be a sign of the breast cancer prognosis. Methods：180 cases with full breast+ALN I， II plane dissection， picked up all the LN，consecutively made 6 slices，reported the maximum gauge with pathological slice. In accordance with pN and pT results，chose the chemo-treat? ment and or or incretion treatment. Recorded the breast cancer patients' age，tumor size，ALN checked number，metastasis number. Carried out stastical analysis with t test and χ² test. Calculated the survival rate with Kaplan-Meier method，and carried out log-rank test. Results：In 180 cases，95 cases had ALNM，the occuring rate of ALNM was 53%. Among it，N0 85 cases，N1 52 cases，N2 20 cases，N3 23 cases. The number of ALNM increased as the tumor size going up. The general survival rate in 5 years without tumor was 88%，the patients without ALNM，5 years survival rate without tumor was 99%；once appeared ALNM，5 years survival rate without tumor decreased to 79% （P < 0.01） . Conclusion：The condition of axilla lymph node is an important factor to prognosis of breast cancer. The number of lymphatic metastasis and the progesterone receptor are the index for prognosis. The cutted number of lymphnode should be more than 10，for accurately judging the N level.

Improved Detecting Methods of Helicobacter Pylori in Gastric Mucosal Biopsy

CHEN Qiong-xia，LI Yan，CHEN Ying，GAO You-jing，LIU Li-jiang

2013, 41(1):  91-92. 

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Objective：Expoles simple staining method for helicobacter pylori which can be used in clinic. Methods：Adopts improved methylene blue staining method，through the staining to gastric mucosal biopsy tissue，makes clear the infection of helicobacter pylori. Results：The methylene blue can stain the helicobacter pylori，the structure is clear without background interference. Conclusion：The improved methylene blue staining method for detecting helicobacter pylori can be used in clinical practice.

Determination of Content of Lipo Soluble Tea Polyphenols in Gel

TIAN Yong-qiang，ZHANG Tao，LU Qian，Stephen Hsu，AI Yong-xun

2013, 41(1):  93-95. 

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Objective：To establish the method of determining the content of lipo soluble tea polyphenols in gel for quality control standard. Methods：A colorimetric method was established for the determination of lipo soluble tea polyphenols in gel at 540 nm with ethanol as the extracting solvent and tartaric acid ferrous as the coloring reagent. Results：The linear relationship of lipo soluble tea polyphenols is good in the range of 0 to 250 mg· （100 mL） ^-1（R²=0.999 1）and the average recov?ery is 102. 80%，the relative standard deviation（RSD）is 0.93%（n=9） . Conclusion：This method is simple，accurate，repeatability good and can be used for determining the content of lipo soluble tea polyphenols in gel.

Review and Commentary on Foreign Studies of Acute Insomnia

ZENG Xin-hong

2013, 41(1):  96-99. 

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Reviews and comments on foreign studies of acute insomnia. Firstly introduces the current three system used in the diagnosis of acute insomnia，to discuss the problems of acute insomnia conceptualization. From the existing etiology theoretical model and the new progress of etiology exploration in recent years，to explain the pathogenesis of acute insomnia. Then expounds the present situation of treatment and medication，finally puts forward some future research suggestions of acute insomnia.

Hydroscopicity of Ultrafine Powder Addtive of Anti-heat Stress Herbs for Chicken

SUN Qi-ying

2013, 41(1):  100-103. 

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Objective：To research the hydroscopicity of ultrafine powder addtive of anti-heat stress herbs for chicken. Methods：Made a comparison of the humidity absorption speed and rate between coarse powder and ultrafine powder additive；Critical relative humidity of coarse powder and ultrafine powder additive were determined；The storage conditions of ultrafine powder additive was optimized by orthogonal test with the temperature and humidity as factors using the humidity absorption percent as the index. Results：The humidity absorption percent in ultrafine powder additive was higher than that in the coarse powder. Critical relative humidity of ultrafine powder and coarse powder additive were 70％ and 78％ respectively. Compared with opening containing，the humidity absorption percent of ultrafine powder additive was significantly reduced after seal. The suitable storage conditions as follow：temperature 10 ℃，humidity below 75％. Conclusion：The hydroscopicity is changed after super-fine treatment，during the herbs processing，preparing and storing，it is quite necessary to control the environmental conditions.

Investigation and Analysis on Campus Greening Situation of Jianghan University

DAI Xi-gang，LI Fang-liang，NAN Fang，CHEN Wei-hong

2013, 41(1):  104-108. 

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The investigation and analysis have been conducted on current status，plant species，quantity，distribution and arrangement of campus plants in Jianghan University. The results show that there are 205 greening species，which belongs to 72 families and 146 generas. The native species are the main species in campus greening，of which the adaptive ability are strong and the greening effect are abvious. Woody plants are mainly used，herbs and liane are used less，the greening structure is simple. In the investigation，it discovers that the outstanding problems in campus greening in Jianghan University are less plant species and application form，blind introduction，unreasonable design，puts forward the suggestions and countermeasures to impel the campus greeningdevelopment.