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| 1 | Laparoscopic Partial Nephrectomy With Segmental Renal Artery Clamping:Technique and Clinical Outcomes显示文摘Background:Warm ischemic injury is one of the most important factors affecting renal function in partial nephrectomy(PN).The technique of segmental renal artery clamping emerges as an alternative to conventional renal artery clamping for renal hilar control.Objective:To evaluate the feasibility and efficiency of laparoscopic PN(LPN) with segmental renal artery clamping in comparison with the conventional technique.Design,setting,and participants:A total of 75 patients underwent LPN from June 2007 to November 2009.All patients had T1a or T1b tumor in one kidney and a normal contralateral kidney.Thirty-seven patients underwent surgeries with main renal artery clamping,and 38 underwent surgeries with segmental artery clamping.Intervention:All procedures were performed by the same laparoscopic surgeon.Measurements:Blood loss,operation time,warm ischemia(WI) time,and complications affected renal function before and after operation were recorded.Results and limitations:All LPNs were completed without conversion to open surgery or nephrectomy.The novel technique slightly increased WI time(p < 0.001) and intraoperative blood loss(p = 0.006),while it provided better postoperative affected renal function(p < 0.001) compared with the conventional technique.The total complication rate was 12%.Among the 38 cases where segmental renal artery clamping was performed,7 had to convert to the conventional method.Tumor size and location influenced the number of clamped segmental arteries.Long-term postoperative renal function is still awaited.Conclusions:LPN with segmental artery clamping is safe and feasible in clinical practice.It minimizes the intraoperative WI injury and improves early postoperative affected renal function compared with main renal artery clamping.(C) 2010 European Association of Urology.Published by Elsevier B.V.All rights reserved. | Shao,P.F. Qin,C. Yin,C.J. Meng,X.X. Ju,X.B. Li,J. Lü,Q.A. Zhang,W. Xu,Z.Q.Shao,Pengfei Qin,Chao Yin,Changjun Meng,Xiaoxin Ju,Xiaobing Li,Jie Lü,Qiang Zhang,Wei Xu,Zhengquan] Nanjing Med Univ,Affiliated Hosp 1,Dept Urol,Nanjing,Peoples R China.Guangzhou Rd 300,Nanjing 210029,Peoples R China. | 2011 | 南京医科大学学报(自然科学版)2011，31，7： | 123 |
| 2 | TiZr-base Bulk Metallic Glass with over 50 mm in Diameter显示文摘Low-cost TiZr-base bulk metallic glasses(BMGs)(Ti36.1Zr33.2Ni5.8Be24.9)100-xCux(x=5,7 and 9) with a maximum size of over 50 mm in diameter were developed by optimizing the alloy composition.The idea is initiated by selecting a particular microstructure comprising primary β-Ti dendrite and amorphous phase.Afterwards,based on this composition of amorphous phase,a class of TiZr-base bulk metallic glasses was designed step by step to reach the optimum composition range.The glass transition temperature(Tg),initial crystallization temperature(Tx) and width of supercooled region(△T) of(Ti36.1Zr33.2Ni5.8Be24.9)91Cu9 BMG are 611,655 and 44 K,respectively.The(Ti36.1Zr33.2Ni5.8Be24.9)91Cu9 BMG exhibits low density of 5.541 g·cm-3 and high compressive fracture strength of 1800 MPa,which promises the potential application as structural materials. | M. Q. Tang H.F. Zhang Z. W. Zhu H.M. Fu A.M. Wang H. Li Z.Q. Hu | 2010 | Journal of Materials Science & Technology2010，26，6： | 17 |
| 3 | The b2/b3 subdeletion shows higher risk of spermatogenic failure and higher frequency of complete AZFc deletion than the gr/gr subdeletion in a Chinese population显示文摘 | Lu, C. C. Zhang, J. Li, Y. C. Xia, Y. K. Zhang, F. Wu, B. Wu, W. Ji, G. X. Gu, A. H. Wang, S. L. Jin, L. Wang, X. R. | 2009 | 南京医科大学学报(自然科学版)2009，29，4： | 16 |
| 4 | Diversification of the RAB Guanosine Triphosphatase Family in Dicots and Monocots显示文摘RAB 海鸟粪正弦 triphosphatases (GTPases ) 是 vesicletrafficking 的关键管理者并且对所有真核细胞的细胞的生长和发展必要。Duringevolution, RAB 家庭在不同模式膨胀了便于不同细胞、发展、生理的改编。酵母有 11 个仅仅家庭成员,而 mammalianRABshave 膨胀了到 18 个 RAB 亚科。植物 RAB 有首先由是复制在内的成员多样化壁炉亚科。植物 RAB 被划分成八个亚科,相应于 mammalianRAB1, RAB2, RABS, RAB6, RAB7, RABS, RAB11 和 RAB18。这些的功能的多样化被 RAB11s 例示,哪个在他们工作在局部性的尖端生长期间搬运泡的植物被划分成唯一的房间分隔空间的 orthologs。同样,在草的 RAB2 家庭多半涉及与墙扩大联系的泡分泌物,作为在表示上异种的 determinedbyanalysis。我们建议 dicots 和单音的简易窄床也在 theirRAB 侧面分叉提供在二个组之间的唯一的细胞的功能。这里我们在场比较米饭,玉米和 Arabidopsis 的 theRAB 亚科的生物信息学分析。这些结果愿望指南未来功能的研究到为亚科的多样化的角色的测试与 dicots 相比的唯一的 tomonocots。 | Jiaming Zhang Daniel R. Hill Anne W. Sylvester | 2007 | Journal of Integrative Plant Biology2007，49，8： | 15 |
| 5 | Contamination by Organochlorine Pesticides in the Estuaries of Southeast China显示文摘Persistent organic pollutants(POPs) such as organochlorine pesticides are of global concern due to their widespread occurrence and persistence. This paper reports recent research studying the distribution and fate of organochlorine pesticides in the Jiulong River, the Minjiang River and the Pearl River estuaries in Southeast China. Eighteen organochlorine pesticides were extracted from water, pore water and sediment samples, followed by analysis by GC ECD. The results showed that the contamination levels were similar in these three estuaries. The levels of the total organochlorine pesticides in porewater were significantly higher than those in surface water, due to the high affinity of these hydrophobic compounds for sediment phase. Among the hexachlorocyclohexane(HCH) compounds, β HCH was found to be the most important isomer. The analysis of 1,1,1 trichloro 2,2 bis chlorophenyl ethane(DDT) and its metabolites showed that 1,1 dichloro 2[ o chlorophenyl] 2[ p chlorophenyl] ethylene(DDE) was dominant in the group. | Z. L. Zhang 1,2 , H. S. Hong 2, J. L. Zhou 3,** , M. H. Dai 2, K. Maskaouib 2 and W. Q. Chen 2 1. Department of Environmental Science and Engineering, Tsinghua POPs Research Centre, Tsinghua University, Beijing 100084, China 2. Key Laborator | 2002 | Chemical Research in Chinese Universities2002，18，2： | 13 |
| 6 | Voluntary exercise-induced neurogenesis in the postischemic dentate gyrus is associated with spatial memory recovery from stroke显示文摘 | Luo, C. X. Jiang, J. Zhou, Q. G. Zhu, X. J. Wang, W. Zhang, Z. J. Han, X. Zhu, D. Y. | 2007 | 南京医科大学学报(自然科学版)2007，27，10： | 13 |
| 7 | Quantitative study of tectonic geomorphology along Haiyuan fault based on airborne LiDAR显示文摘High-precision and high-resolution topography are the fundamental data for active fault research.Light detection and ranging(LiDAR)presents a new approach to build detailed digital elevation models effectively.We take the Haiyuan fault in Gansu Province as an example of how LiDAR data may be used to improve the study of active faults and the risk assessment of related hazards.In the eastern segment of the Haiyuan fault,the Shaomayin site has been comprehensively investigated in previous research because of its exemplary tectonic topographic features.Based on unprecedented LiDAR data,the horizontal and vertical coseismic offsets at the Shaomayin site are described.The measured horizontal value is about 8.6 m,and the vertical value is about 0.8 m.Using prior dating ages sampled from the same location,we estimate the horizontal slip rate as4.0±1.0 mm/a with high confidence and define that the lower bound of the vertical slip rate is 0.4±0.1 mm/a since the Holocene.LiDAR data can repeat the measurements of field work on quantifying offsets of tectonic landform features quite well.The offset landforms are visualized on an office computer workstation easily,and specialized software may be used to obtain displacement quantitatively.By combining precious chronological results,the fundamentallink between fault activity and large earthquakes is better recognized,as well as the potential risk for future earthquake hazards. | Tao Chen Pei Zhen Zhang Jing Liu Chuan You Li Zhi Kun Ren Kenneth W. Hudnut | 2014 | Chinese Science Bulletin2014，59，20： | 10 |
| 8 | Clp Protease and OR Directly Control the Proteostasis of Phytoene Synthase, the Crucial Enzyme for Carotenoid Biosynthesis in Arabidopsis显示文摘Phytoene synthase (PSY ) 是在类胡萝卜素 biosynthetic 小径的关键 plastidial 酶。然而,它的 translational 以后规定留下逃犯。同样, Clp 朊酶组成质体朊酶网络的中央部分,但是它为降级的底层不是众所周知的。在这研究,我们报导 PSY 是 Clp 朊酶的底层。PSY 被揭开身体上与各种各样的 Clp 朊酶子单元交往(即, ClpS1, ClpC1,和 ClpD ) 。在 clpc1, clpp4,和 clpr1-2 异种的 PSY 和几另外的 carotenogenic 酶蛋白质 overaccumulate 高级。overaccumulated PSY 被发现部分酶地活跃。在 clpc1 的 Clp 活动的缺陷导致 PSY 蛋白质周转的减少的率,进一步在降级的 PSY 支持 Clp 朊酶的角色蛋白质。在另一方面, ORANGE (或) 蛋白质,有 holdase 女伴活动的 PSY 的一个主要 translational 以后管理者,提高 PSY 蛋白质稳定性并且在 clpc1 增加 PSY 的酶地活跃的比例, counterbalancing 在维持 PSY 蛋白质动态平衡的调停 Clp 的解朊作用。一起,这些调查结果提供新奇卓见进质体局部性的蛋白质的质量控制并且建立迄今未辩别出的 translational 以后在在植物的 modulating 类胡萝卜素生合成的 carotenogenic 酶的规章的机制。 | Ralf Welsch Xiangjun Zhou Hui Yuan Daniel Alvarez Tianhu Sun Dennis Schlossarek Yong Yang Guoxin Shen Hong Zhang Manuel Rodriguez-Concepcion Theodore W. Thannhauser Li Li | 2018 | Molecular Plant2018，11，1： | 10 |
| 9 | Polymorphisms of MTHFD,plasma homocysteine levels, and risk of gastric cancer in ahigh-risk Chinese population显示文摘Purpose:Accumulative evidence suggests that folate has a protective effect on gastric cancer. The methylenetetrahyd-rofolate dlehydrogenase(MTHFD) plays an important role in folate and homocysteine metabolisms, and polymorphisms of MTHFD may result in disturbance of the folate-mediated homocysteine pathway. The aim of this study is to test the hypothesis that genetic variants of MTHFD and plasma homocysteine levels are associated with risk of gastric cancer and modulated by genotypes of methylenetetrahydrofolate reductase(MTHFR). Experimental Design: We genotyped G1958A and T401C in MTHFD and C677T in MTHFR and detected total plasma homocysteine(tHcy) levels in a case-control study of 589 gastric cancer cases and 635 cancer-free controls in a high-risk Chinese population. Results:The variant genotypes of MTHFD 1958AA and 401CC were associated with a significantly increased risk of gastric canceradjusted odds ratio(OR), 2.05; 95% confidence interval(95% CI),1.34-3.13 for 1958AA; adjusted OR,1.43; 95% CI,1.14-1.80 for 401CC compared with 1958GG/GA and 401TT/TC genotypes, respectively. Both of the effects were more evident in the subjects carrying MTHFR 677CT/TT genotypes. The average tHcy level was significantly higher in gastric cancer cases than in controls(P < 0.01), and the upper quartile of tHcy (> 13.6 mu mol/L) was associated with an 82% significantly increased risk of gastric cancer, compared with the lowest quartile of tHcy(<= 8.0 pmol/L;adjusted OR,1.82; 95% CI,1.20-2.75). Conclusions:The strong associations between MTHFD variants and the plasma tHcy levels and gastric cancer risk suggest, for the first time, a possible gene-environment interaction between genetic variants of folate-metabolizing genes and high tHcy levels in gastric carcinogenesis. | Wang, L. N Ke, Q Chen, W. S Wang, J. M Tan, Y. F Zhou, Y Hua, Z. L Ding, W. L Niu, J. Y Shen, J Zhang, Z. F Wang, X. R Xu, Y. H Shen, H. B Yi Xing | 2007 | 南京医科大学学报(自然科学版)2007，27，7： | 10 |
| 10 | Evolution of sedimentary environments of the middle Jiangsu coast, South Yellow Sea since late MIS 3显示文摘沉积环境的一个进化模型后来迟了的海洋的同位素舞台 3 (迟了的 MIS 3,即, ca。39 cal ka BP ) 沿着中间的江苏,海岸被介绍在核心 07SR01,在邻近的出版核心之间的新关联,和在 Xiyang 潮汐的隧道和邻近的北海区域恢复的浅地震侧面的解释之上基于。地形学, sedimentology ,标明日期的放射性碳并且地震并且顺序地层学被联合证实自从在学习区域的迟了的 MIS 3 ,环境变化首先被海平面的变化,进南方黄海( SYS )的paleo河的沉积分泌物,和次要的构造沉淀控制,所有哪个影响了地区性的似地球形状、沉积的环境的前进(即,沿海的障碍岛,淡水湖的沼泽地,河泛滥平原,沿海的沼泽地, ti 这导致了第五顺序的顺序地层学的形成,最后间冰段( Para-Sq2 )的迟了的阶段的 parasequence 包括了包括 highstand 和强迫的回归的楔系统道( HST 和 FRWST ),并且冰期后的时期( Para-Sq1 )的 parasequence ,包括 transgressive 和 highstand 系统道( TST 和 HST )。当海平面的上升在 ca 盖住中间的江苏海岸,潮汐的沙山脉多半开始在冰期后的违反期间发展。9.0 cal ka BP。这些开始沉没的潮汐的沙山脉常常在广告 1128 ~ 1855 期间正在移居直到黄河嘴的向南方的迁居到北江苏海岸。paleo-Xiyang 由 paleo 潮汐的当前的地并且显著地被决定的潮汐的隧道与现代的不同,在 Holocene transgressive 最大值期间在存在并且持续了直到广告 1128。在由黄河的广告 1128 跟随 Huaihe 河的俘获,潮汐的隧道是的 paleo-Xiyang 有从广告 1128 ~ 1855 的大量导出河的沉积的 infilled,引起一些以前沉没的潮汐的沙的出现隆起。从到礼品的广告 1855,潮汐的隧道经历了搜索的 infilled paleo-Xiyang,导致它的现代表格。现代 Xiyang 潮汐的隧道继续拓宽并且加深,对强壮的潮汐的电流搜索和人为的活动到期。 | XIA Fei ZHANG Yongzhan WANG Qiang YIN Yong Karl W. WEGMANN J. Paul LIU | 2013 | Journal of Geographical Sciences2013，23，5： | 10 |
| 11 | MECHANICAL PROPERTIES OF LONGITUDINAL SUBMERGED ARC WELDED STEEL PIPES USED FOR GAS PIPELINE OF OFFSHORE OIL显示文摘自从发展近海油和煤气的、增加的海底的油和煤气的管道被安装。因为全面性质的严格的要求,海底的管道的所有早钢管子取决于进口,例如,耐蚀,等等迫使的抵抗。研究并且发展为海底的管道使用的国内钢管子,管子用钢盘子做的焊接的纵缝接的沉没的弧( LSAW )由 JCOE 和 UOE 从铺平的热卷的卷切了(在的形成的过程象信一样的板“ J ”,“ C ”,“ O ”或“ U ”形状,然后扩大)形成过程。而且,管子碱金属的机械性质和焊接金属被测试,并且结果根据相应管子说明 API 说明 5L 或 DNV-OS-F101,它证明国内 LSAW 管子能被用于海底的油和煤气的管道。 | Z.Z. Yang W. Tian Q.R. Ma Y.L. Li J.K. Li J.Z. Gao H.B. Zhang Y.H. Yang | 2008 | Acta Metallurgica Sinica(English Letters)2008，21，2： | 9 |
| 12 | Nature:通过控制血管生长来开发治疗癌症等多种疾病的新型疗法显示文摘最近,一项刊登在国际杂志Nature上的研究报告中,来自耶鲁大学的研究人员通过研究揭示了如何通过控制血管发育来帮助开发治疗心血管疾病以及癌症的新型疗法。 | Yu, Pengchun Wilhelm, Kerstin Dubrac, Alexandre Tung, Joe K. Alves, Tiago C. Fang, Jennifer S. Xie, Yi Zhu, Jie Chen, Zehua De Smet, Frederik Zhang, Jiasheng Jin, Suk-Won Sun, Lele Sun, Hongye Kibbey, Richard G. Hirschi, Karen K. Hay, Nissim Carmeliet, Peter Chittenden, Thomas W. Eichmann, Anne Potente, Michael Simons, Michael | 2017 | 现代生物医学进展2017，17，22： | 9 |
| 13 | Characterization of the Formation of Branched Short-Chain Fatty Acid:CoAs for Bitter Acid Biosynthesis in Hop Glandular Trichomes显示文摘痛苦的酸,作为啤酒香料并且为他们的多样的生物活动为他们的使用知道,主要 formedin 跳跃(Humulus lupulus ) 腺的毛状体。分叉的短链的 acyl-CoAs (例如 isobutyryl-CoA, isovaleryl-CoA 和 2-methylbutyryl-CoA ) , derivedfrom 分支链氨基酸(BCAA ) 的降级,为痛苦的 acidsin 的生合成的必要积木跳跃。然而,很少关于部件被需要生产并且维持分叉的 short-chainacyl-CoAs 的水池在的被知道跳跃毛状体。这里,我们在场 CoA ligases 和 thioesterases 是在痛苦的酸生合成的 likelyinvolved 的证据的几根线。蛋白质有的 Recombinant HlCCL2 ( carboxyl CoA ligase )为象底层酸的 isovaleric 的高特定的活动( K 猫 /K m = 4100 s 1 M 1),而 recombinant HlCCL4 明确地利用了 isobutyric 酸( K 猫 /K m = 1800 s 1 M 1)并且 2-methylbutyric 酸( K 猫 /K m = 6900 s 1 M 1)作为底层。两 HlCCLs 跳跃 valerophenone synthase (HlVPS ) ,在腺的毛状体强烈被表示并且对细胞质局部性。有在酵母的 HlVPS 的 HlCCL2 和 HlCCL4 的合作表示导致了 acylphloroglucinols (为痛苦的酸生合成的直接先锋) 的重要生产, whichfurther 在 vivo 证实了这二 HlCCLs 的生物化学的功能。在线粒体催化 CCL 的反向的反应的 thioesterase 的功能的鉴定,和 thecomprehensive,基因的分析包含了 BCAA 分解代谢,支持了 cytosolic CoA ligases 在腺的毛状体为 linkingBCAA 降级和痛苦的酸生合成被要求的想法。进化和另外的可能的生理的 rolesof 分叉短链的丰满的酸: 在 planta 的 CoA ligases 也是 discussed.Key 词: | Haiyang Xu Fengxia Zhang Baoxiu Liu David V. Huhman Lloyd W. Sumner Richard A. Dixon Guodong Wang | 2013 | Molecular Plant2013，6，4： | 9 |
| 14 | NUMERICAL SIMULATION OF THE THERMO-MECHANICAL PROCESS FOR BEAM BLANK CONTINUOUS CASTING显示文摘The aim of this study was to simulate the solidification process of beam blank continuous casting, and then find the reasons for the typical defects of the beam blank. A two-dimensional transient coupled finite element model has been developed to compute the temperature and stress profile in beam blank continuous casting. The enthalpy method was used in the heat conduction equation. The thermo-mechanical property in the mushy zone was taken into consideration in this calculation. It is shown that at the mold exit the thickness of the shell had its maximum value at the flange tip and its minimum value at the fillet. The temperature had a great fluctuation on the surface of the beam blank in the secondary cooling zone. At the unbending point, the surface temperature of the web was in the brittleness temperature range under the present condition. To ensure the quality, it is necessary to weaken the intensity of secondary cooling. At the mold exit the equivalent stress and strain have higher values at the flange tip and at the web. From the spray 1 to the unbending point, the maximum values of stress and strain gradually moved to the internal section of the flange tip and the web. However, whenever, there were bigger stress and strain values near the flange tip and the web than in the other parts, it must be very easy to generate cracks at those positions. Now, online verification of this simulation has been developed, which has proved to be very useful and efficient to instruct the practical production of beam blank continuous casting. | W. Chen Y.Z. Zhang C.J. Zhang L.G. Zhu B.X. Wang W.G. Lu J.H. Ma | 2007 | Acta Metallurgica Sinica(English Letters)2007，20，4： | 8 |
| 15 | Optimized quantitative angiographic and intravascular ultrasound parameters predicting the functional significance of single de novo lesions in the left anterior descending artery显示文摘 | Tak W. Kwan YANG Song XU Bo Jack Chen XU Tian YE Fei ZHANG Jun-jie TIAN Nai-liang LIU Zhi-zhong CHEN Shao-liang | 2012 | Chinese Medical Journal2012，，23： | 8 |
| 16 | BubR1 phosphorylates CENP-E as a switch enabling the transition from lateral association to end-on capture of spindle microtubules显示文摘Error-free mitosis depends on accurate chromosome attachment to spindle microtubules, powered congression of those chromosomes, their segregation in anaphase, and assembly of a spindle midzone at mitotic exit. The centromere-associated kinesin motor CENP-E, whose binding partner is BubR1, has been implicated in congression of misaligned chromosomes and the transition from lateral kinetochore-microtubule association to end-on capture. Although previously proposed to be a pseudokinase, here we report the structure of the kinase domain of Drosophila melanogaster BubR1, revealing its folding into a conformation predicted to be catalytically active. BubR1 is shown to be a bona fide kinase whose phosphorylation of CENP-E switches it from a laterally attached microtubule motor to a plus-end microtubule tip tracker. Computational modeling is used to identify bubristatin as a selective BubR1 kinase antagonist that targets the αN1 helix of N-terminal extension and αC helix of the BubR1 kinase domain. Inhibition of CENP-E phosphorylation is shown to prevent proper microtubule capture at kinetochores and, surprisingly, proper assembly of the central spindle at mitotic exit. Thus, BubR1-mediated CENP-E phosphorylation produces a temporal switch that enables transition from lateral to end-on microtubule capture and organization of microtubules into stable midzone arrays. | Yuejia Huang Lin Lin Xing Liu Sheng Ye Phil Y. Yao Wenwen Wang Fengrui Yang Xinjiao Gao Junying Li Yin Zhang Jiancun Zhang Zhihong Yang Xu Liu Zhenye Yang Jianye Zang Maikun Teng Zhiyong Wang Ke Ruan Xia Ding Lin Li Don W. Cleveland Rongguang Zhang Xuebiao Yao | 2019 | Cell Research2019，29，7： | 8 |
| 17 | Nine-month angiographic and two-year clinical follow-up of polymer-free sirolimus-eluting stent versus durable-polymer sirolimus-eluting stent for coronary artery disease: the Nano randomized trial显示文摘 | Zhang Yaojun Chen Fang Takashi Muramatsu Xu Bo Li Zhanquan Ge Junbo He Qing Yang Zhijian Li Shumei Wang Lefeng Wang Haichang He Ben Li Kang Qi Guoxian Li Tianchang Zeng Hesong Peng Jianjun Jiang Tieming Zeng Qiutang Zhu Jianhua Fu Guosheng Christos V. Bourantas Patrick W. Serruys Huo Yong | 2014 | Chinese Medical Journal2014，，11： | 8 |
| 18 | Variant alleles of TGFB1 and TGFBR2 are associated with a decreased risk of gastric cancer in a Chinese population显示文摘 | Jin, G. F. Wang, L. N. Chen, W. S. Hu, Z. B. Zhou, Y. Tan, Y. F. Wang, J. M. Hua, Z. L. Ding, W. L. Shen, J. Zhang, Z. F. Wang, X. R. Xul, Y. C. Shen, H. B. | 2007 | 南京医科大学学报(自然科学版)2007，27，5： | 7 |
| 19 | FAS promoter polymorphisms and cancer risk: a meta-analysis based on 34 casecontrol studies显示文摘 | Zhang, Z. Z. Xue, H. C. Gong, W. D. Wang, M. L. Yuan, L. Han, S. P. Zhang, Z. D. | 2009 | 南京医科大学学报(自然科学版)2009，29，4： | 6 |
| 20 | HIGH-TEMPERATURE OXIDATION OF FGH96 P/M SUPERALLOY显示文摘High temperature oxidation behaviors of FGH96 P/M superalloy have been studied in air at temperatures ranging from 600 to 1000℃. By means of isothermal oxidation testing,X-ray diffraction,SEM(scanning electron microscopy),and EDS(energy dispersive X-ray spectroscopy) analyses,the oxidation kinetics as well as the composition and morphology of scales were investigated. Thermodynamic calculations were used to explain the oxidation mechanism. The results showed that as the oxidation temperature increased,the oxidation rate,the scale thickness,and scale spallation increased. FGH96 P/M superalloy exhibits good oxidation resistance at temperature below 800℃. The oxidation kinetics follows an approximately parabolic rate law,and the oxide layer was mainly composed of Cr2O3,TiO2,and a little amount of NiCr2O4. The oxidation is controlled by the transmission of chromium,titanium,and oxygen through the oxide scale. | F.J. Liu M.C. Zhang J.X. Dong Y. W. Zhang | 2007 | Acta Metallurgica Sinica(English Letters)2007，20，2： | 6 |
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