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| 1 | Simulation aided hot zone design for faster growth of CZ silicon mono crystals显示文摘Computer simulation was used for optimizing a hot zone for Czochralski (CZ) silicon crystal growth.The heater structure and heat shield material were investigated.With this optimized hot zone,the temperature gradient near the crystal/melt interface increased and the CZ crystal could be grown at a faster rate.It is a great contribution for saving power consumption. | CAO Jianwei GAO Yu CHEN Ying ZHANG Guohu QIU Minxiu | 2011 | Rare Metals2011,30,2: | 13 |
| 2 | Spectrofluorimetric determination of terbium(Ⅲ) by fluorescence enhancement system of Tb-TPA-Triton X-100 by La^(3+)显示文摘The phenomenon of fluorescence enhancement for the system of terbium(Ⅲ) with terephthalic acid (benzene-1,4-dicarboxylic acid (TPA)) in the presence of an excess of La^3+ in Triton X-100 aqueous solution has been studied. The fluorescence intensity of Tb^Ⅲ-TPA system can be greatly increased by La^3+. The intermolecular transfer of energy was responsible for the mechanism of the fluorescence enhancement. Triton X-100 plays an imporlant role for the stabilization of the system. The system, having the maximum excitation and emission wavelengths at 256nm and 546nm, respectively,shows a constant fluorescence intensity over the pH range between 4-6. The fluorescence intensity is a linear function of Tb^3+ concentration in the range of 1.00×10^-8 -2.56× 10^-5 mol·L^-1 and the limit of detection is 5.00×10^-9 mol·L^-1. | ZHAO Guohu and ZHAO JunBasic Science Department, Gansu Agricultural University, Lanzhou 730070, China (Received 2002-04-29) | 2003 | Rare Metals2003,22,2: | 9 |
| 3 | Numerical analysis and simulation of Czochralski growth processes for large diameter silicon crystals显示文摘Numerical analysis and simulation have been an effective means to develop the advanced growth technology and to control the defects type, size and density for silicon crystals of 300 mm and beyond. In the present paper, numerical analysis of the melt flow in the Czochralski (CZ) crystal growth configuration, the three dimensional (3D) modeling, the simulation of melt flow under the magnetic field, the inverse modeling and the time-dependent simulation are reviewed. Fi nally, comparison of numerical analysis with experimental measurements is discussed. | TU Hailing XIAO Qinghua GAO Yu ZHOU Qigang ZHANG Guohu CHANG Qing | 2007 | Rare Metals2007,26,6: | 5 |
| 4 | Preparation and photocatalytic activity of PANI/TiO_2 composite film显示文摘A PANI/TiO2 composite film deposited on the glass surface was successfully prepared using sol-gel dip-coating technique and chemical oxidation method. The film was characterized using XRD, AFM, and UV. The result showed that the TiO2 film consists of both cuboid-shaped and anatase-phased TiO2 nanoparticles. The average grain size of TiO2 in the film was approximately 20 nm. After coating with PANI, the particle was changed into irregular spherical-shaped and the size was increased up to approximately 35 nm in diameter. UV-Vis spectroscopy analysis indicated that the coating of TiO2 with PANI would result in an enhancement of photocatalytic efficiency and an extension of the photoresponse of TiO2. The band gap of the PANI/TiO2 film was 3.18 eV. The photocatalytic property of the film was evaluated by the degradation of rhodamine-B. It was found that 67.1% and 83.2% of rhodamine-B could be degraded under sunlight and UV irradiation within 120 min using the PANI/TiO2 composite film as photocatalyst. | GAO Jinzhang LI Shengying YANG Wu ZHAO Guohu BO Lili SONG Li | 2007 | Rare Metals2007,26,1: | 3 |
| 5 | Novel biodegradable and double crystalline multiblock eopolymers comprising of poly (butylene succinate) and poly( e- caprolaetone) : Synthesis, characterization, and properties 显示文摘 | Liuchun Zheng CL Zhaodong Wang Jin Wang Yaonan Xiao Dong Zhang Guohu Guan | 2012 | Industrial & Engineering Chemistry Research2012,51,: | 1 |
| 6 | Evaluation of sodium cantharidinate/vitamin B6 in the treatment of primaryliver cancer显示文摘 | Hejun Shao Guohu Hong Xinhua Luo | 2014 | Journal of Cancer Research and Therapeutics2014,,: | 1 |
| 7 | Clinical significance of human kallikrein 10 gene expression in colorectal cancer and gastric cancer显示文摘 | BoFeng Wei‐BinXu Min‐HuaZheng Jun‐JunMa QuCai YiZhang JunJi Ai‐GuoLu YingQu Jian‐WenLi Ming‐LiangWang Wei‐GuoHu Bing‐YaLiu Zheng‐GangZhu | 2006 | Journal of Gastroenterology and Hepatology2006,,10: | 1 |
| 8 | Thermal degradation investigation of poly (ethylene terephthalate)/fibrous silicate nanocomposites显示文摘 | Yuan Xuepei Li Chuncheng Guan Guohu | 2008 | Polymer Degradation and Stability2008,93,2: | 1 |
| 9 | Microemulsion formation and phase behavior of anionic and cationic surfactants with sodium dodecyl sulfate and cetyltrimethylammonium bromide 显示文摘 | LI XINGFU LIN ENHUI ZHAO GUOHU | 1996 | Journal of Colloid and Interface Science1996,184,: | 1 |
| 10 | Protective effects of ischemic preconditioning ondonor lung in danine lung transplantation显示文摘 | Guohu L Shengxi C Wanzhong L | 1998 | Chest1998,113,5: | 1 |
| 11 | Numerical simulationfor impacts of hydrodynamic conditions on algae growth inChongqing Section of Jialing River, China 显示文摘 | LONG Tianyu WU Lei MENG Guohu | 2011 | EcologicalModelling2011,222,1: | 1 |
| 12 | Stability and bifurcation analysis on a three-species food chain system with two delays显示文摘 | CUI Guohu YAN Xiangping | 2011 | Communications in Nonlinear Science and Numerical Simulation2011,16,9: | 1 |
| 13 | The effects of metallic derivatives released from montmorillonite on the thermal stability of poly ( ethylene terephthalate) / MMT nanocomposites 显示文摘 | Guan Guohu Li Chuncheng Zhang Dong | 2006 | Jounrnl of Applied Polymer Science2006,101,3: | 1 |
| 14 | Novel cat- alysts based on titanium dioxidesilicon dioxide for poly (eth- ylene terephthalate) 显示文摘 | YIN Ming GUAN Guohu ZHANG Dong | 2010 | Appl Polym Sci2010,115,: | 1 |
| 15 | Thermal degradation mechanism of poly(butylene carbonate)显示文摘 | Wenxiang Zhu Chuncheng Li Dong Zhang Guohu Guan Yaonan Xiao Liuchun Zheng | 2012 | Polymer Degradation and Stability2012,,9: | 1 |
| 16 | Synthesis and characterization of poly ( ethylene terephthalate )/ attapulgite nanocomposites 显示文摘 | Yuan Xuepei Li Chuncheng Guan Guohu | 2007 | Journal of Applied Polymer Science2007,103,: | 1 |
| 17 | Myocardial protection by remote preconditioning:The role of nuclear factor kappa-B p105 and inducible nitric oxide synthase显示文摘 | Guohu L Fausto L Allan S | 2004 | Eur J Cardio-thorac Surg2004,26,: | 1 |
| 18 | Spectrofluorimetric determination of terbium with terephthalic acid显示文摘A spectrofluorimetric method has been developed for the determination of terbium(III) based on the formation of a complex with terephthalic acid [benzene-1, 4-dicarboxylic acid (TPA)] in slightly acidic aqueous solution in the presence of gelatin. Terbium ion can form a stable complex with TPA with the stoichiometry of 1:2. The best excitation and maximum emission wavelengths are observed at 260 nm and 545 nm, respectively. The fluorescence intensity of terbium complex gets the strongest within 20 min and remains stable up to 10 h, and it is proportional to terbium(III) concentration in the range of 4.0(10(5-1.6(10(7 mol@L(1 under the optimum conditions. The fluorescence system has good selectivity, sensitivity and stability. The relative standard deviation is still within (4% in the presence of 1200-fold amounts of the other lanthanide ions when the concentration of terbium(III) is 1.0(10(6 mol@L(1 and common co-existing ions hardly interfere the determination. It has been applied to the direct fluorimetric determination of trace terbium (III) in rare earth ores and oxides. | ZHAO Guohu and ZHAO JunBasic Science Department, Gansu Agricultural University, Lanzhou 730070, China | 2002 | Rare Metals2002,21,4: | 1 |
| 19 | Synthesis and Characterization of Poly(ethylene terephthalate)/Attapulgite Nanocomposites显示文摘 | Xuepei Yuan Chuncheng Li Guohu Guan | 2006 | Journal of Applied Polymer Science2006,103,2: | 1 |
| 20 | Exploration and Evaluation of Internationalization at Home in Chinese Local Higher Education显示文摘IaH incorporates resource introduction,platform construction,and environment creation,effectively addressing the limitations of traditional IA.It has emerged as a prevailing trend in the internationalizing evolution of Chinese higher education.This article takes local colleges in Zhejiang Province as an example to illustrate the importance of IaH in upgrading the quality of local higher education,analyzes the models,paths,and strategies of the agenda,and discusses its effect evaluation across teaching,research,platforms,and social service. | Lin Guohu | 2023 | 评价与管理2023,21,S01: | 0 |