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车库内不同车型燃料电池汽车氢泄漏仿真模拟
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作者 王桂芸 胡辰树 +1 位作者 刘光辉 毛洪凯 《太阳能学报》 EI CAS CSCD 北大核心 2024年第10期48-53,共6页
为研究不同车型燃料电池汽车的氢泄漏扩散,选取上汽大通FCV90和EUNIQ7两种燃料电池汽车车型,改变车辆停放位置,分析其在半封闭车库发生氢气泄漏后的扩散规律。通过数值模拟发现EUNIQ7发生泄漏后,氢气易在车辆底部聚集,而FCV90发生氢气... 为研究不同车型燃料电池汽车的氢泄漏扩散,选取上汽大通FCV90和EUNIQ7两种燃料电池汽车车型,改变车辆停放位置,分析其在半封闭车库发生氢气泄漏后的扩散规律。通过数值模拟发现EUNIQ7发生泄漏后,氢气易在车辆底部聚集,而FCV90发生氢气泄漏后,氢气沿车辆底部向外扩散较快,形成氢气易燃区面积较小,说明燃料电池汽车底盘较高时,氢气泄漏扩散快,逃逸能力强。通过在车库墙壁设置监测点,发现靠近车尾监测到氢气所需时间远小于车库顶部,所以燃料电池汽车停车库内还需在侧墙下方合理布置探测器,进而缩短燃料电池汽车氢泄漏监测时间,有效避免氢泄漏事故。 展开更多
关键词 燃料电池 氢气 泄漏 数值模拟 扩散 临测点
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A method for predicting critical load evaluating adhesion of coatings in scratch testing 被引量:1
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作者 陈溪芳 严密 +1 位作者 杨德人 HIROSEYukio 《Journal of Zhejiang University Science》 CSCD 2003年第6期709-713,共5页
In this paper based on the experiment principle of evaluating adhesion property by scratch testing, the peeling mechanism of thin films is discussed by applying contact theory and surface physics theory. A mathematica... In this paper based on the experiment principle of evaluating adhesion property by scratch testing, the peeling mechanism of thin films is discussed by applying contact theory and surface physics theory. A mathematical model predicting the critical load is proposed for calculating critical load as determined byscratch testing. The factors for correctly evaluating adhesion of coatings according to the experimental data arediscussed. 展开更多
关键词 COATING ADHESION Scratch testing Critical load prediction
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FAT10 level in human gastric cancer and its relation with mutant p53 level,lymph node metastasis and TNM staging 被引量:22
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作者 Feng Ji Xi Jin Chun-Hua Jiao Qin-Wei Xu Zi-Wei Wang Yue-Liang Chen 《World Journal of Gastroenterology》 SCIE CAS CSCD 2009年第18期2228-2233,共6页
AIM:To investigate the role of FAT10 and mutant p53 in the pathogenesis,severity and prognosis of gastric cancer.METHODS:FAT10,mutant p53 mRNA and protein levels were measured by reverse transcription(RT)-PCR and immu... AIM:To investigate the role of FAT10 and mutant p53 in the pathogenesis,severity and prognosis of gastric cancer.METHODS:FAT10,mutant p53 mRNA and protein levels were measured by reverse transcription(RT)-PCR and immunohistochemistry in gastric cancer tissue(n = 62),tumoradjacent tissue(n = 62) and normal gastric tissue(n = 62).Relation of FAT10 and mutant p53 expression with clinicopathological features and clinical outcomes of gastric cancer patients were analyzed.RESULTS:The FAT10,mutant p53 mRNA and protein levels were signif icantly higher in gastric cancer than in its adjacent and normal tissue.The FAT10 and mutant p53 levels in gastric cancer tissue were significantly correlated with lymph node metastasis and tumor,nodes,metastasis(TNM) staging.Moreover,the high FAT10 level was associated with the overall survival rate of patients.Multivariate Cox-proportional hazards model analysis showed that mRNA and protein levels of FAT10 and mutant p53,lymph node metastasis,distant metastasis and TNM stage were the independent prognostic factors for gastric cancer.CONCLUSION:FAT10 may be involved in gastric carcinogenesis,and is a potential marker for the prognosis of gastric cancer patients.FAT10 and mutant p53 may play a common role in the carcinogenesis of gastric cancer. 展开更多
关键词 Gastric cancer FAT10 Mutant p53 PROGNOSIS
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