process for the production of unalloyed or low alloy, reported that al haltigem steel with low carbon content

• 1. 一种低碳低合金含硼结构钢的生产方法 [P] . 中国专利： CN112725696A . 2021-04-30
• 2. 一种低碳低合金耐磨钢及其生产方法 [P] . 中国专利： CN102021492B . 2012.11.28
• 3. process for the production of unalloyed or low alloy, reported that al hältigem, steel with low carbon content [P] . 日本专利： JPS5210802B1 . 1977-03-26

  机译： 非合金或低合金的生产方法，据报道，alhältigem，低碳钢

• 4. process for the production of unalloyed or low alloy, reported that al hältigem, steel with low carbon content [P] . 法国专利： FR2029535B1 . 1973-03-16

  机译： 非合金或低合金的生产方法，据报道，alhältigem，低碳钢

• 5. process for the production of unalloyed or low alloy, reported that al hältigem, steel with low carbon content [P] . SU405192A3 . 1973-10-22

  机译： 非合金或低合金的生产方法，据报道，alhältigem，低碳钢

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• 6. Some Observations on the Processing of Deep Drawing Grades of Low Carbon Low Alloy Ferritic Strip Steels, [R] . dasarathy, c. 1976

• 1. Effect of Ce on the cleanliness, microstructure and mechanical properties of high strength low alloy steel Q690E in industrial production process [J] . Hao Wang ,Yan-ping Bao ,Ming Zhao . 矿物冶金与材料学报 . 2019,第011期
• 2. On-line spheroidization process of medium-carbon low-alloyed cold heading steel [J] . Yu Fu ,Hao Yu ,Pan Tao . 矿物冶金与材料学报 . 2014,第001期
• 3. Effect of high pressure treatment on solid-state phase transformation in low carbon alloy steel during heating process [J] . XIE Dan-yang ,WU Hong-lian ,LIU Jian-hua . 材料科学与工程：中英文版 . 2009,第006期
• 4. 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
• 5. 低碳低合金耐磨钢的组织和性能研究 [C] . 李培主 ,王学敏 ,尚成嘉 . 第十二届全国耐磨材料大会 . 2009
• 6. 低碳低合金TRIP钢合金化的计算机辅助设计 [A] . 王海涛 . 2005