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Selenium Doping in Bi-based Superconductors

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Journal of Materials Science & Technology 2000年第3期16卷 351-353页

作者： Affia Aslam and S.A.Siddiqi (Centre for Solid State Physics, University of the Punjab, Lahore-54590, Pakistan) J.A.A.Khan and R.Shaheen (Pakistan Institute of Nuclear Science & Technology, post office Nilore, Islamabad, Pakistan) Centre for Solid State Physics University of the Punjab Lahore-54590 Pakistan Pakistan Institute of Nuclear Science and Technology Islamabad Post Office Nilore Pakistan

Six different compositions in Bi2Sr2Ca2Cu3Oy:Sex with x=0.0, 0.05, 0.1, 0.2, 0.3, 0.4 have been prepared by the solid state reaction method to explore doping of selenium in the system. Sintering at 847±4℃ and subsequent annealing at 827℃ has been carried out for different time periods. The samples have been characterized by X-ray powder diffraction (XRD), scanning electron microscopy (SEM), and measurement of resistance below room temperature has been carried out by four-probe method. Superconducting transition temperature (Tc) value shows dependence on Se concentration: the highest Tc(0)=:94 K is observed for x=0.3. A detailed Auger electron spectroscopic (AES) analysis has been carried out to investigate the presence of Se in the grains of the superconductors. It has also been found that Se increases the Tc(0) value and promotes the formation of high temperature superconducting phase (2223), which coexists with low temperature phase (2212) in the sintered samples.

关键词： Selenium Doping in Bi-based Superconductors high XRD Bi

Liver alveolar echinococcosis in China: Clinical aspect with relative basic research

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World Journal of Gastroenterology 2005年第30期11卷 4611-4617页

作者： Ci-Peng Jiang McManus Don Malcolm Jones Hydatidosis Research Laboratory of Basic Medical School Lanzhou University Lanzhou 730000 Gansu Province China post office Royal Brisbane Hospital Q 4029 Australia

This paper deals with all aspects of liver alveolar echinococcosis (AE) including epidemiology, pathology, clinical manifestations, imaging examinations, diagnosis and differential diagnosis, surgical treatment and *** review is not only based on personal clinical experiences but also in combination with relative basic research such as proliferation and growth of alveococcus, preclinical studies of a novel compound extracted from TCM for treatment of liver AE, and molecular immunology used for specific AE diagnosis, etc.

关键词： Echinococcosis Alveolar echinococcosis Liver Clinical aspect Basic research China

Sol–gel La2O3–ZrO2 mixed oxide catalysts for biodiesel production

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Journal of Energy Chemistry 2018年第2期27卷 565-572页

作者： Daniela Salinas Catherine Sepúlveda Néstor Escalona J.L.GFierro Gina Pecchi Departamento de Fisicoquimica. Facultad de Ciencias Quimicas Universidad de Concepcion Post Office 160-C Concepcion Chile Departamento de Quimica Facultad de Ciencias Universidad del Biobio Post Office 5-C Concepcion Chile Departamento Ingenieria Quimica y Bioprocesos Escuela de lngenieria Pontificia Universidad Catolica de Chile Avda. Vicuria Mackenna 4870 Maeul Santiago 7820436 Chile Centro de Investigacion en Nanotecnolagia y Materiales Avanzados (CIEN-UC) Pontificia Universidad Catolica de Chile Post Office 306 Santiago Chile Departamento de Quimica Fisica Facultad de Quimica Pontificia Universidad Catolica de Chile Post Offce 306 Santiago Chile Instituto de Catalisis y Petroleoquimica CSIC 28049 Madrid. Espana

Different La2O3 contents（0, 1, 2, 3, and 5 wt%） were used to prepared La2O3-ZrO2 mixed oxides calcined at 600 ℃ by the sol-gel method. The catalytic activity was measured as biodiesel production from canola oil through a transesterification reaction. The characterization results indicate that the La2O3 monolayer formation and extent of basicity of m-ZrO2 have a large influence on biodiesel *** biodiesel conversion（56% at 4 h） was obtained with the 3% La2O3-ZrO2 catalyst in the presence of basic sites and the formation of a monolayer of La2O3. The decrease in the catalytic activity for 5% La2O3-ZrO2 resulted from the loss of active sites on the catalyst because of agglomeration, which was suggested by XPS and the isoelectric point. The kinetic data fit to a pseudo-first order constant, and the largest kinetic constant corresponds to 3% La2O3-ZrO2, currently the largest heterogeneous non-alkaline metal catalyst reported for a transesterification reaction.

关键词： La2O3 -ZrO2 Sol-gel Biodiesel Canola oil Transesterification

Contribution to the knowledge of Chinese PhasmatodeaⅪ:New taxa and new nomenclature of Medaurini(Phasmatidae:Clitumninae)from China

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Zoological Systematics 2021年第3期46卷 234-239页

作者： Wai-Chun George Ho Hong Kong Entomological Society P.O.Box No.73749Kowloon Central Post OfficeHong KongChina

This paper describes two new genera and two new species,Megacnipsomorpha gen nov.,Parapachymorpha granulata ***.,Parapachymorpha parvicorne ***.,and Spinoparapachymorpha gen nov.,from Medaurini of China.

关键词： Stick insects new genus new species new combination China

Germplasm resources and genetic breeding of Paeonia:a systematic review

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Horticulture Research 2020年第1期7卷 1369-1387页

作者： Yong Yang Miao Sun Shanshan Li Qihang Chen Jaime A.Teixeira da Silva Ajing Wang Xiaonan Yu Liangsheng Wang Key Laboratory of Plant Resources/Beijing Botanical Garden Institute of BotanyChinese Academy of Sciences100093 BeijingChina College of Landscape Architecture Beijing Forestry University100083 BeijingChina Beijing Key Laboratory of Ornamental Plants Germplasm Innovation and Molecular Breeding 100083 BeijingChina National Engineering Research Center for Floriculture 100083 BeijingChina University of Chinese Academy of Sciences 100049 BeijingChina P.O.Box 7 Miki–cho post officeIkenobe 3011–2Kagawa–ken 761–0799Japan

Members of the genus Paeonia,which consists of globally renowned ornamentals and traditional medicinal plants with a rich history spanning over 1500 years,are widely distributed throughout the Northern *** 1900,over 2200 new horticultural Paeonia cultivars have been created by the discovery and breeding of wild ***,information pertaining to Paeonia breeding is considerably fragmented,with fundamental gaps in knowledge,creating a bottleneck in effective breeding *** review systematically introduces Paeonia germplasm resources,including wild species and cultivars,summarizes the breeding strategy and results of each Paeonia cultivar group,and focuses on recent progress in the isolation and functional characterization of structural and regulatory genes related to important horticultural *** pertaining to the resource protection and utilization,breeding and industrialization of Paeonia in the future are also briefly discussed.

关键词： breeding cultivar globally

Contribution to the knowledge of Chinese PhasmatodeaⅨ:First report of Xeroderinae(Phasmatodea:Phasmatidae)from China

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Zoological Systematics 2021年第2期46卷 187-190页

作者： Wai-Chun George Ho Hong Kong Entomological Society P.O.Box No.73749Kowloon Central Post OfficeHong KongChina

This paper reports the subfamily Xeroderinae Günther,1953 and the genus Xenophasmina Uvarov,1940 for the first time from China;describes a new genus and a new species,Sinoxenophasmina abbreviatum gen.&***.,from Yunnan,China;suggests a new combination and a new synonym,***(Redtenbacher,1908)***.(=*** Redtenbacher,1908 ***.);and reports two new record species,***(Redtenbacher,1908)*** ***(Redtenbacher,1908),from China.

关键词： Stick insects new genus new species new combination new synonym China

The genus Neohirasea Rehn(Phasmatodea: Diapheromeridae: Necrosciinae) from Vietnam

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Zoological Systematics 2018年第1期43卷 37-51页

作者： Wai-Chun George Ho Hong Kong Entomological Society P.O.Box No.73749 Kowloon Central Post Office

The following five species and six subspecies in the genus Neohirasea Rehn from Vietnam are described as new to science：*** ***.,*** bispina ***.＆***.,*** babeensis ***.,*** ***.,*** ***.,*** hilli ***.＆***.,*** nahangensis ***.,*** vietnamensis *** *** pseudomaerens ***.A key to the Vietnamese species and subspecies of this genus is provided.

关键词： Stick insects Necrosciini new species new subspecies Vietnam

Processing techniques of selected oilseed by-products of potential use in animal feed: Effects on proximate nutrient composition, amino acid profile and antinutrients

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Animal Nutrition 2018年第4期4卷 442-451页

作者： Collins P.Duodu Daniel Adjei-Boateng Regina E.Edziyie Nelson W.Agbo Godfred Owusu-Boateng Bodil K.Larsen Peter V.Skov Department of Fisheries and Watershed Management Faculty of Renewable Natural Resources Kwame Nkrumah University of Science and TechnologyPMB University Post Office Section for Aquaculture DTU Aqua Technical University of Denmark

The effects of processing by autoclaving(AC), soaking(SK), short-term fermentation(S-TF, 4 d) and longterm fermentation(L-TF, 14 d) on the nutritional composition, amino acid profile and some antinutrients were determined for cottonseed meal(CSM), groundnut meal(GNM) and groundnut husk(GH) in this study. After processing, crude protein content improved by 11% after L-TF, and crude lipid content 25%after SK for CSM; crude protein content improved by 27% after S-TF and L-TF, and crude lipid content 13%after SK for GNM. Soaking and fermentation were shown to significantly increase essential amino acid contents by 44%(SK, methionine) in CSM and 46% in GNM(L-TF, histidine). Phosphorus content was reduced by 59% in CSM and 57% in GNM by L-TF. All processing techniques, with the exception of AC,reduced phytic acid and gossypol contents in CSM and GNM. It was concluded that SK and fermentation were simple, cost-effective, and efficient ways to improve the nutritional value of the selected oilseed byproducts.

关键词： Amino acid Autoclaving Fermentation Proximate composition Soaking

A new species of genus Phraortes St?l and the first description of female *** Chen & He from China(Phasmatodea:Phasmatidae)

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Zoological Systematics 2016年第3期41卷 332-336页

作者： Wai-Chun George Ho Hong Kong Entomological Society P.O.Box No.73749Kowloon Central Post Office

A new species, Phraortes lii sp. nov., from Guangxi, China, is described and illustrated. The female of P. corniformis Chen＆ He, 1993 is firstly described. The examined material including types and non-types are depo... 详细信息

关键词： Lonchodinae Phraortes new species China.