Endurance testing method and machine, especially for vehicle body bolsters

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  机译： 机械动力循环系统测试机及轴心体耐久性能测试方法

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  机译： 汽车座椅乘坐耐力测试机及其测试方法

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  机译： 车辆座椅耐久力测试机及其测试方法

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• 4. Zinc Oxide Nanoporous Superhydrophilic Surfaces: a Synthesis of Experimental Durability Testing and Droplet Vaporization Model Development Using Machine Learning Methods [D] . McClure, Emma R. 2021
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• 1. BACKGROUND： Vibrio vulnifi cus inside the body could activate the NF-!B signaling pathwayand initiate the inflammatory cascade. The lung is one of the earliest organs affected by sepsisassociated with acute lung injury. High mobility group protein B1 （HMGB1） is an important late-actingpro-infl ammatory cytokine involving in the pathophysiology of sepsis. It is also involved in the injuryprocess in the lung, liver and intestine. There has been no report on the involvement of HMGB1 inVibrio vulnifi cus sepsis-induced lung injury.METHODS： Sixty rats were randomly divided into a normal control group （group A, n=10） anda Vibrio vulnificus sepsis group （group B, n=50）. Sepsis was induced in the rats by subcutaneousinjection of Vibrio vulnificus （concentration 6×108 cfu/mL, volume 0.1 mL/100g）） into the left lowerlimbs. The rats in group B were sacrifi ced separately 1, 6, 12, 24, and 48 hours after the infection.Their lungs were stored as specimens, lung water content was measured, and lung pathology wasobserved under a light microscope. The expressions of the HMGB1 gene and protein in the lungswere detected by RT-PCR and Western blot. Data were analyzed with one-way analysis of variance（ANOVA） and the LSD method for pair-wise comparison between the two groups. P〈0.05 wasconsidered statistically signifi cant.RESULTS： Compared to group A （0.652±0.177）, HMGB1 mRNA expression in the lungs ofgroup B was signifi cantly higher at 0 hour （1.161±0.358, P=0.013）, 24 hours （1.679±0.235, P=0.000）,and 48 hours （1.258±0.274, P=0.004） （P〈0.05）, and peaked at 24 hours. Compared to group A（0.594±0.190）, HMGB1 protein expression at 6 hours （1.408±0.567, P=0.026） after infection wassignificantly increased （P〈0. 05）, and peaked at 24 hours （2.415±1.064, P=0.000） after infection.Compared to group A （0.699±0.054）, lung water content was significantly increased at 6 hours（0.759±0.030, P=0.001）,12 hours （0.767±0.023, P=0.000）, 24 hours （0.771±0.043, P=0.000） and 48hours （0.789±0.137, P=0.000） after infection （P〈0.05）. Compared to group A, pathological changesat 12 hours in group B indicate marked pulmonary vascular congestion, interstitial edema andinfl ammatory infi ltration. Alveolar cavity collapse and boundaries of the alveolar septum could not beclearly identifi ed.CONCLUSION： Vibrio vulnifi cus sepsis can lead to injury in rat lungs, and increased HMGB1expression in lung tissue may be one of the mechanisms for injury from Vibrio vulnifi cus sepsis. [J] . Qiao-meng Qiu ,Zhong-wang Li ,Lu-ming Tang . 世界急诊医学杂志(英文) . 2011,第4期
• 2. Design method and vibration testing of a reconfigurable multi-process combined turn-milling machine tool [J] . 范徐笑 ,张之敬 ,金鑫 . 北京理工大学学报：英文版 . 2011,第3期
• 3. Optimization and static strength test of carbody of light rail vehicle [J] . 秦泗吉 ,钟扬志 ,羊祥云 . 中南大学学报 . 2008,第0S2期
• 4. 基于CAE方法车身疲劳耐久性研究 [C] . 宋名洋 . 福建省科协2011年度学术年会分会场—福建省汽车工程学会2011年学术年会 . 2011
• 5. 应用于地铁车辆车身制造的焊接机器人控制系统改进 [A] . 高明晶 . 2014