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Optical quasi-periodic oscillation and color behavior of blazar PKS 2155–304

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Research in Astronomy and Astrophysics 2014年第8期14卷 933-941页

作者： Bing-Kai Zhang xiao-Yun Zhao chun-xiao wang Ben-Zhong Dai Department of Physics Fuyang Normal College Department of Physics Yunnan University

PKS 2155-304 is a well studied BL Lac object in the southern sky. The historical optical data during different periods have been collected and compiled. Light curves spanning 35 yr have been constructed. The R-band light curve has been ana- lyzed by means of three methods： the epoch folding method, the Jurkevich method and the discrete correlation function method. It is derived that there is an evident periodic component of 317 d （i.e. 0.87 yr） superposed on a long-term trend with large- amplitude variation in the light curve. The variability of this source is accompanied by a slight color variation, and the brightness and color index are correlated with each other. On a long-term time scale, PKS 2155-304 exhibits a tendency of bluer-when- brighter, which means the spectrum becomes flatter when the source brightens.

关键词： BL Lacertae objects general -- BL Lacertae objects individual (PKS 2155-304) -- galaxies active -- method statistical

Comparative Study on the Infrared Radiance Field of Building Surface under Sunshine Conditions and Rainfall Conditions

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Journal of Harbin Institute of Technology(New Series) 2013年第4期20卷 7-13页

作者： Ming Xie Hai-Qiang wang xiao-Chen Xie xiao-chun wang He-Ping Tan School of Energy Science and Engineering Harbin Institute of Technology Liaoning Qiangfeng Aluminum Industry Engineering Co. Ltd Research Institute of Intelligent Control and Systems Harbin Institute of Technology

The Monte Carlo method and the region method are combined in this paper,where a high-rise building in Harbin were taken for example to investigate the infrared radiation field of building *** calculation models of temperature field and radiation transfer coefficient on the exterior surface were *** the self-built Bidirectional Reflectance Distribution Function(BRDF)experimental device,the BRDFs of moorstone,aluminum plate,coated glass and Ethylene-Propylene-Diene Monomer(EPDM)on the surfaces under dry and wet conditions were measured at different incidence angles with respective laser wavelengths of0.6328μm and 1.34μ*** the two wavelengths,the reflection ratios of the material surfaces under dry and wet conditions were calculated *** on some proper simplifications of the background condition,the simulation analysis of the radiation field of building surface was carried out according to the wetness theory and the measured *** the situation at 9:00 *** the day of summer solstice as an example,this paper made relevant quantitative calculation for the solar radiation,the self radiation of the surface units,the radiating projection between the surface units,and the general infrared radiation of the building *** on infrared radiance field of the building surface were obtained under cloud-free sunshine conditions and rainfall conditions respectively,and the rationality of the results was discussed.

关键词： building surface BRDF radiation reflection ratio

Primary shunt hyperbilirubinaemia in a large four-generation family confirming autosomai dominant genetic disorder

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World Journal of Gastroenterology 2006年第19期12卷 3123-3125页

作者： chun-Lian wang xiao-Wei Liu Fang-Gen Lu xiao-Ping Wu chun-Hui Ouyang Dong-Ye Yang Department of Gastroenterology the Second Xiangya Hospital Central South University Changsha 410011 Hunan Province China

AIM： To describe the pattern of inheritance and confirm the diagnostic criteda of primary shunt hyperbilirubinaemia （PSH）. METHODS： Forty members of a family pedigree across four generations were included in this study. All family members were interviewed and investigated by physical examination, hematology and liver function test and the pattern of inheritance was analyzed. RESULTS： Nine of the forty family members suffered primary shunt hyperbilirubinaemia. The mature erythrocytes of the propositus were irregular in shape and size. The pedigree showed transmission of the trait through four generations with equal distribution in male and female. No individual with a primary shunt hyperbilirubinaemia was born to unaffected parents. The penetrance was complete in adult. CONCLUSION： The pattern of inheritance is autosomal dominant. The abnormality of erythrocytes and decrease in white blood cell could be supplemented in the diagnosis of PSH. The PSH is a genetic disorder and could by renamed as hereditary shunt hyperbilirubinaemia.

关键词： Hyperbilirubinaemia Hereditary Shunt

Prediction and Analysis on Oxidation of H13 Hot Work Steel

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Journal of Iron and Steel Research International 2006年第1期13卷 44-49页

作者： MIN Yong-an WU xiao-chun wang Rong LI Lin XU Luo-ping School of Materials Science and Engineering Shanghai University Shanghai 200072 China

The understanding of oxidation behaviors on H13 steel was helpful to improve the service life and performance of hot work moulds and dies. Thermal-Calc Software was performed to calculate the oxidation phases on H13 steel along with different partial oxygen pressures in the interesting temperature range of 500-700 ℃. In this range H13 steel samples were treated respectively in different atmosphere including flowing water vapor （0.2 MPa）, normal pressure air （0.1 MPa） and low pressure air （0. 001 MPa）. The different oxidation films were detected with optical microscopy and X-ray diffraction. The microstructures and phase constitutions of the films formed in low pressure air were similar to those of the films formed in water vapor, and obviously different to those of the films formed in normal pressure air. The oxidation mechanisms of H13 steel in different atmosphere were also discussed.

关键词： oxidatiom hot work steel surface treatment die casting

Primitive neuroectodermal tumor of the prostate in a 58-year-old man:A case report

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World Journal of Clinical Cases 2022年第13期10卷 4145-4152页

作者： Da-Wei Tian xiao-chun wang Hui Zhang Yan Tan College of Medical Imaging Shanxi Medical UniversityTaiyuan 030001Shanxi ProvinceChina Department of Radiology The First Hospital of Shanxi Medical UniversityTaiyuan 030001Shanxi ProvinceChina

BACKGROUND Primitive neuroectodermal tumor(PNET),especially located in the prostate,is a rare tumor that mainly occurs in young *** or rectum invasion and distant metastasis are strongly associated with a poor *** therapy,including radical surgery,adjuvant chemotherapy,and radiotherapy,is *** present a case of prostatic PNET and a review of 17 cases identified in the *** SUMMARY A 58-year-old man was admitted complaining of dysuria for 2 *** tomography and magnetic resonance imaging showed a large cystic-solid mass in the pelvic cavity compressing the surrounding bladder and *** mass was iso-to hyperintense on T1-weighted imaging(WI)and heterogeneously hyperintense on *** degeneration and necrosis were seen in the tumor,and solid tissues within the mass enhanced on contrast-enhanced *** patient underwent robot-assisted laparoscopic pelvic tumor ***,the presence of many small round cells that were positive for expression of CD99,vimentin,and synaptophysin established the diagnosis of PNET in the prostate after *** patient underwent adjuvant *** 34 mo of follow-up,the patient had no signs or symptoms of recurrence or residual *** We present the case of the oldest prostatic PNET patient,who has a good *** illustrates how older men with prostatic PNET may also benefit from the combination therapy,like younger adults,and achieve a long-term *** always,PNET should be considered in the differential diagnosis of aggressive prostatic tumors in young men.

关键词： Primitive neuroectodermal tumor Prostate Combination therapy Magnetic resonance imaging CD99 Case report

The key role of inoculated sludge in fast start-up of sequencing batch reactor for the domestication of aerobic granular sludge

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Journal of Environmental Sciences 2019年第4期31卷 127-136页

作者： xiao-chun wang Zhong-lin Chen Jing Kang Xia Zhao Ji-min Shen Liu Yang State Key Laboratory of Urban Water Resource and Environment School of EnvironmentHarbin Institute of Technology College of Petrochemical Technology Lanzhou University of Technology

Two types of inoculated sludges, granular sludge that had been stored at-20°C and activated sludge, were investigated for the domestication of aerobic granular sludges(AGSs in sequencing batch reactors(SBRs). The results showed that using the stored granular sludge as inoculation sludge could effectively shorten the domestication time of AGS and yielded mature granular sludge after 22 days of operation. The AGS domesticated by stored granular sludge had better biomass and sedimentation properties; its MLSS and SVI reached8.55 g/L and 35.27 mL/g, respectively. The removal efficiencies for chemical oxygen demand(COD), ammonium nitrogen(NH_4^+-N) and total phosphorus(TP) reached 90.76%, 97.39% and 96.40%, respectively. By contrast, 54 days were needed to obtain mature granules using activated sludge. The microbial community structure was probed by using scanning electron microscopy(SEM) and high-throughput sequencing. The results showed that the diversity of the microbial community in mature granules was reduced when stored granular sludge rather than activated sludge was employed as inoculation sludge, and the dominant microbes were changed. The dominant species in mature granules domesticated using stored granular sludge were Zoogloea, Acidovorax and Tolumonas at the genus classification level, while the dominant species were Zoogloea and TM7-genera in granules developed from activated sludge.

关键词： Aerobic granular sludge Microbial community Sequencing batch reactor Stored granular sludge

Nd–Mg–Ni alloy electrodes modified by reduced graphene oxide with improved electrochemical kinetics

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International Journal of Minerals,Metallurgy and Materials 2020年第3期27卷 391-400页

作者： Yuan Li Li-na Cheng Wen-kang Miao chun-xiao wang De-zhi Kuang Shu-min Han Hebei Key Laboratory of Applied Chemistry School of Environmental and Chemical EngineeringYanshan UniversityQinhuangdao 066004China State Key Laboratory of Metastable Materials Science and Technology Yanshan UniversityQinhuangdao 066004China Hunan Corun New Energy Co. Ltd.Changsha 410205China

To improve the electrochemical kinetics of Nd–Mg–Ni alloy electrodes, the alloy surface was modified with highly conductive reduced graphene oxide(rGO) via a chemical reduction process. Results indicated that rGO sheets uniformly coated on the alloy surface, yielding a threedimensional network layer. The coated surfaces contained numerous hydrophilic functional groups, leading to better wettability of the alloy in aqueous alkaline media. This, in turn, increased the concentration of electro-active species at the interface between the electrode and the electrolyte, improving the electrochemical kinetics and the rate discharge of the electrodes. The high rate dischargeability at 1500 mA·g^(–1) increased from 53.2% to 83.9% after modification. In addition, the modification layer remained stable and introduced a dense metal oxide layer to the alloy surface after a long cycling process. Therefore, the protective layer prevented the discharge capacity from quickly decreasing and improved cycling stability.

关键词： hydrogen storage alloys surface modification graphene oxide electrochemical properties kinetics

An Efficient Query Rewriting Approach for Web Cached Data Management

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Wuhan University Journal of Natural Sciences 2006年第1期11卷 122-126页

作者： wang Bin YANG xiao-chun wang Guo-ren YU Ge Liu Hui-lin School of Information Science and Engineering Northeastern University Shenyang 110004 Liaoning China

With the internet development, querying data on the Web is an attention problem of involving information from distributed, and often dynamically, related Web sources. Basically, some subqueries can be effectively cached from previous queries or materialized views in order to achieve a better query performance based on the notion of rewriting queries. In this paper, we propose a novel query-rewriting model, called Hierarchical Query Tree, for representing Web queries. Hierarchical Query Tree is a labeled tree that is suit able for representing the inherent hierarchy feature of data on the Web. Based on Hierarchical Query Tree, we use case based approach to determine what the query results should be. The definitions of queries and query results are both re presented as labeled trees. Thus, we can use the same model for representing cases and the medium query results can also be dynamically updated by the user queries. We show that our case-based method can be used to answer a new query based on the combination of previous queries, including changes of requirements and various information sources.

关键词： hierarchical query tree datalog query rewriting

Cutaneous allergic reaction to subcutaneous vitamin K_(1):A case report and review of literature

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World Journal of Clinical Cases 2022年第29期10卷 10742-10754页

作者： Miao Zhang Jia Chen chun-xiao wang Nai-Xuan Lin Xin Li Department of Dermatology Yueyang Hospital of Integrated Traditional Chinese and Western MedicineShanghai University of Traditional Chinese MedicineShanghai 200437China Institute of Dermatology Shanghai Academy of Traditional Chinese MedicineShanghai 201203China Department of Dermatopathology Shanghai Skin Disease HospitalTongji UniversityShanghai 200443China

BACKGROUND Vitamin K1(phytomenadione)is a fat-soluble naturally occurring vitamin that is widely used to treat certain coagulation *** cutaneous reactions to vitamin K1 can occur;however,owing to its low incidence and considerable variability in presentation and morphology,its diagnosis can be easily *** these reactions may be challenging for patients and ***,reviewing the adverse cutaneous reactions to vitamin K1 is *** SUMMARY Here we report the case of a 50-year-old woman with no pre-existing hepatic disease who developed a cutaneous allergic reaction to subcutaneous vitamin K1 that presented as localized eczematous plaques at the vitamin K1 injection *** eruption developed within 5 d of the injection and persisted for 32 mo despite treatment with topical and intralesional *** was diagnosed based on the results of the pathological examination,immunohistochemical staining,and a skin *** patient was advised to take herbal medicines orally twice *** treatment and follow-up,the patient’s eczematous urticarial plaques improved and her condition *** Here we present the first case of a cutaneous allergic reaction to subcutaneous vitamin K1 that was successfully treated with Chinese medicine.

关键词： Vitamin K1 Subcutaneous injection Adverse reactions Herbal medicine Polyoxyethylated castor oil Case report guidelines Case report