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乘用车产品公告认证过程管理与质量控制研究

中国标准化 2024年第5期 235-240页

作者：鲁朋雨张帅马巧丽张瑞吉利汽车研究院(宁波)有限公司中汽研汽车检测中心(宁波)有限公司

公告认证一直是汽车企业最为重要的环节,是车辆能否正常销售和上牌的重要因素。为了能够确保产品在认证过程中的准确性,本文阐述了企业公告认证应从项目的前期策划、认证计划的编制、公告资料的收集审核、样车样件的管理、试验开展、公... 详细信息

公告认证一直是汽车企业最为重要的环节,是车辆能否正常销售和上牌的重要因素。为了能够确保产品在认证过程中的准确性,本文阐述了企业公告认证应从项目的前期策划、认证计划的编制、公告资料的收集审核、样车样件的管理、试验开展、公告申报审查等方面层层把关,以达到对公告认证整个过程的管理。另外,还通过对认证计划的质量、认证样品的质量、认证参数的质量控制,来提高公告认证申报的准确率,并最终确保公告发布、车辆顺利销售和上牌。

关键词：乘用车公告认证过程管理质量控制

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青岛胶东国际机场区域美根寄蝇属新记录

中国口岸科学技术 2024年第1期6卷 52-55页

作者：刘迪王巧黎滕新栋青岛海关青岛266071 青岛中心医院青岛266042

本文拟对青岛胶东国际机场区域捕获的蝇类进行鉴定。实验首先进行形态学鉴定,再提取蝇类基因组DNA,利用基于线粒体COⅠ基因的DNA条形码技术进行分子鉴定,从比对结果中选取序列相似度高的5种蝇类序列构建系统进化树。结果显示,该蝇类在... 详细信息

本文拟对青岛胶东国际机场区域捕获的蝇类进行鉴定。实验首先进行形态学鉴定,再提取蝇类基因组DNA,利用基于线粒体COⅠ基因的DNA条形码技术进行分子鉴定,从比对结果中选取序列相似度高的5种蝇类序列构建系统进化树。结果显示,该蝇类在形态学鉴定上属于暮美根寄蝇,序列与GenBank中暮美根寄蝇(登录号:KX844373.1)COⅠ基因序列同源性为98.73%,判断此次捕获蝇类为暮美根寄蝇。查阅文献发现为山东省首次报道,故此次青岛胶东国际机场区域捕获的暮美根寄蝇为山东省新记录种。

关键词：青岛胶东国际机场新记录美根寄蝇属暮美根寄蝇

Phosphorylation of SiRAV1 at Ser31 regulates the SiCAT expression to enhance salt tolerance in Setaria italica

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Journal of Integrative Agriculture 2023年第12期22卷 3638-3651页

作者： li qiao-lu li Zhi-yong WANG Meng-meng YAN Jing-wei FANG lin Guangdong Provincial Key Laboratory of Applied Botany/South China Botanical Garden Chinese Academy of SciencesGuangzhou 510650P.R.China Institute of Millet Crops Hebei Academy of Agriculture and Forestry SciencesShijiazhuang 050000P.R.China Nanjing Institute of Environmental Science Ministry of Ecology and EnvironmentNanjing 210042P.R.China State Key Laboratory of Subtropical Silviculture Zhejiang A&F UniversityHangzhou 311300P.R.China

Salinity severely affects plant growth and ***,it is crucial to identify the genes functioning in salt stress response and unravel the mechanism by which plants against salt *** study used the phosphoproteomic assay and found that 123 of the 4000 quantitative analyzed phosphopeptides were induced by salt *** functional annotation of the non-redundant protein database(NR)showed 23 differentially expressed transcription factors,including a phosphopeptide covering the Serine 31 in the RAV(related to ABI3/VP1)transcription factor(named SiRAV1).SiRAV1 was located in the *** and physiological analysis showed that overexpressing SiRAV1 in foxtail millet enhanced salt tolerance and alleviated the salt-induced increases of H_(2)O_(2) accumulation,malondialdehyde(MDA)content,and percent of electrolyte *** analysis showed that SiRAV1 positively regulated SiCAT expression to modulate the catalase(CAT)activity by directly binding to the SiCAT promoter in vivo and in ***,we found that phosphorylation of SiRAV1 at the Ser31 site positively regulated salt tolerance in foxtail millet via enhancing its binding ability to SiCAT promoter but did not affect its subcellular ***,our results define a mechanism for SiRAV1 function in salt response where salt-triggered phosphorylation of SiRAV1 at Ser31 enhances its binding ability to SiCAT promoter,and the increased SiCAT expression contributes to salt tolerance in foxtail millet.

关键词： foxtail millet salt stress phosphoproteomic SiRAV1 SiCAT

基于FAHP-TOPSIS的装备保障能力评估

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信息工程大学学报 2024年第4期25卷 492-498页

作者：柳颜乔丽付琪海广超空军勤务学院江苏徐州221000 99500部队江苏南京210000

为实现部队装备保障能力的科学综合评价,从指挥能力、保障设备设施、保障人员、装备管理能力和装备储供能力5个维度,构建装备保障能力评估指标体系,结合模糊层次分析法(FAHP)和逼近理想点排序法(TOPSIS)建立评估模型。通过实例对部队装... 详细信息

为实现部队装备保障能力的科学综合评价,从指挥能力、保障设备设施、保障人员、装备管理能力和装备储供能力5个维度,构建装备保障能力评估指标体系,结合模糊层次分析法(FAHP)和逼近理想点排序法(TOPSIS)建立评估模型。通过实例对部队装备保障能力进行综合排序和客观评价,并为各评估单位提供针对性的改进措施。结果表明,所建模型和算法具备较高的精度和效率,为部队装备保障能力评估提供一种科学实用的方法。

关键词：装备保障能力评估指标体系模糊层次分析法逼近理想点排序法

Bacillus licheniformis PF9 improves barrier function and alleviates inflammatory responses against enterotoxigenic Escherichia coli F4 infection in the porcine intestinal epithelial cells

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Journal of Animal Science and Biotechnology 2022年第5期13卷 1413-1427页

作者： qiao li linyan li Yanhong Chen Changning Yu Paula Azevedo Joshua Gong Chengbo Yang College of Veterinary Medicine Nanjing Agricultural UniversityNanjing 210095China Department of Animal Science University of ManitobaWinnipegManitoba R3T 2N2Canada Guelph Research and Development Centre Agriculture Agri-Food CanadaGuelphOntario N1G 5C9Canada State Key Laboratory of Food Science and Technology Nanchang UniversityNanchang 330047China

Background:Enterotoxigenic Escherichia coli(ETEC)F4 commonly colonizes the small intestine and releases enterotoxins that impair the intestinal barrier function and trigger inflammatory *** Bacillus licheniformis(***)has been reported to enhance intestinal health,it remains to be seen whether there is a functional role of *** in intestinal inflammatory response in intestinal porcine epithelial cell line(IPEC-J2)when stimulated with ETEC ***:In the present study,the effects of *** PF9 on the release of pro-inflammation cytokines,cell integrity and nuclear factor-κB(NF-κB)activation were evaluated in ETEC F4-induced IPEC-J2 ***:*** PF9 treatment was capable of remarkably attenuating the expression levels of inflammation cytokines tumor necrosis factor-α(TNF-α),interleukin(IL)-8,and IL-6 during ETEC F4 ***,the gene expression of Toll-like receptor 4(TLR4)-mediated upstream related genes of NF-κB signaling pathway has been significantly *** changes were accompanied by significantly decreased phosphorylation of p65 NF-κB during ETEC F4 infection with *** PF9 *** immunofluorescence and western blotting analysis revealed that *** PF9 increased the expression levels of zona occludens 1(ZO-1)and occludin(OCLN)in ETEC F4-infected IPEC-J2 ***,the *** PF9 could alleviate the injury of epithelial barrier function assessed by the trans-epithelial electrical resistance(TEER)and cell permeability ***,*** PF9 protect IPEC-J2 cells against ETEC F4 infection by decreasing the gene expressions of virulence-related factors(including luxS,estA,estB,and elt)in ETEC ***:Collectively,our results suggest that *** PF9 might reduce inflammation-related cytokines through blocking the NF-κB signaling ***,*** PF9 displayed a significant role in the enhancem

关键词： Bacillus licheniformis PF9 Barrier function ETEC F4 Inflammatory response IPEC-J2

生血宝合剂联合琥珀酸亚铁片治疗缺铁性贫血的效果及对COX-1、COX-2表达的影响

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临床医学研究与实践 2024年第11期9卷 9-12页

作者：王雪姣李巧王慧玲咸阳市第一人民医院陕西咸阳712000 西安医学院第二附属医院陕西西安710038 延安市人民医院陕西延安716000

目的分析生血宝合剂联合琥珀酸亚铁片治疗缺铁性贫血的效果及对环氧化物酶-1(COX-1)、环氧化物酶-2(COX-2)表达的影响。方法选择2019年4月至2020年11月收治的100例缺铁性贫血患者作为研究对象,以随机数字表法将其分为对照组和观察组,各5... 详细信息

目的分析生血宝合剂联合琥珀酸亚铁片治疗缺铁性贫血的效果及对环氧化物酶-1(COX-1)、环氧化物酶-2(COX-2)表达的影响。方法选择2019年4月至2020年11月收治的100例缺铁性贫血患者作为研究对象,以随机数字表法将其分为对照组和观察组,各50例。对照组给予琥珀酸亚铁片治疗,观察组在对照组基础上加施生血宝合剂治疗。比较两组的治疗效果。结果治疗前,两组的血清铁(SI)、转铁蛋白饱和度(TS)、血清铁蛋白(SF)、总铁结合力(TIBC)及可溶性血清转铁蛋白受体(sTfR)水平比较,差异无统计学意义(P>0.05);治疗后,观察组的SI、TS及SF水平高于对照组,TIBC、sTfR水平低于对照组(P0.05);治疗后,观察组的COX-1、COX-2表达水平高于对照组(P0.05);治疗后,观察组的BPC、MPV及PDW低于对照组(P0.05)。结论生血宝合剂联合琥珀酸亚铁片治疗缺铁性贫血可调节COX-1、COX-2表达,改善血小板参数,促进铁代谢恢复,且安全性较高,值得推广。

关键词：生血宝合剂琥珀酸亚铁片缺铁性贫血铁代谢血小板参数

Self-healing elastomer modified proppants for proppant flowback control in hydraulic fracturing

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Petroleum Science 2022年第1期19卷 245-253页

作者： Jian-Da li Gui-Cai Zhang Ji-Jiang Ge Wen-li qiao Ping Jiang Hai-Hua Pei School of Petroleum Engineering China University of Petroleum(East China)Qingdao266580ShandongPR China

To address proppant flowback issues during post-fracturing treatments and production,self-healing elastomer modified proppants(SMPs)are *** to their inherent self-aggregation behavior,the SMPs can aggregate together spontaneously to prevent proppant flowback and increase the pack *** is noteworthy that the SMPs have a firm and dry self-healing elastomer(SE)coating,making their storage,transport and use as conventional proppants *** SE synthesized through polymerization is rich in amidogens and carbonyl groups as characterized by Fourier transform infrared spectroscopy and the proton nuclear magnetic *** and thermomechanical properties of the SE coating are revealed by the thermogravimetric analysis,the differential scanning calorimetry and the rheological *** self-aggregation behavior of the SMPs is demonstrated by the adhesion force *** reversible hydrogen bonding interactions in SE coating contribute to the self-aggregation behavior of the SMPs,which is revealed by the thixotropy test and the FTIR analysis at different *** the self-aggregation behavior,the crushed proppants can aggregate in situ to form a stable structure again and therefore reduce the threat of narrowing down the fracture and proppant flowback,which has an important practical significance during oil and gas production.

关键词： Proppant flowback Self-healing elastomer Self-aggregation Adhesion force

Hypoxia tolerance in fish depends on catabolic preference between lipids and carbohydrates

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动物学研究(英文) 2023年第5期44卷 954-966页

作者： Qiang Ma Yuan Luo Jia Zhong Samwel Mchele limbu ling-Yu li li-qiao Chen Fang qiao Mei-ling Zhang Qiang lin Zhen-Yu Du LANEH School of Life SciencesEast China Normal UniversityShanghai 200241China Yellow Sea Fisheries Research Institute Chinese Academy of Fishery SciencesQingdaoShandong 266071China CAS Key Laboratory of Tropical Marine Bio-Resources and Ecology South China Sea Institute of OceanologyChinese Academy of SciencesGuangzhouGuangdong 510301China School of Aquatic Sciences and Fisheries Technology University of Dar es SalaamDar es Salaam 60091Tanzania

Hypoxia is a common environmental stress factor in aquatic organisms,which varies among fish ***,the mechanisms underlying the ability of fish species to tolerate hypoxia are not well ***,we showed that hypoxia response in different fish species was affected by lipid catabolism and preference for lipid or carbohydrate energy *** of biochemical lipid catabolism through peroxisome proliferator-activated receptor alpha(Pparα)or increasing mitochondrial fat oxidation in tilapia decreased tolerance to acute hypoxia by increasing oxygen consumption and oxidative damage and reducing carbohydrate catabolism as an energy ***,lipid catabolism inhibition by suppressing entry of lipids into mitochondria in tilapia or individually knocking out three key genes of lipid catabolism in zebrafish increased tolerance to acute hypoxia by decreasing oxygen consumption and oxidative damage and promoting carbohydrate ***,anaerobic glycolysis suppression eliminated lipid catabolism inhibition-promoted hypoxia tolerance in adipose triglyceride lipase(atgl)mutant *** 14 fish species with different trophic levels and taxonomic status,the fish preferentially using lipids for energy were more intolerant to acute hypoxia than those preferentially using *** study shows that hypoxia tolerance in fish depends on catabolic preference for lipids or carbohydrates,which can be modified by regulating lipid catabolism.

关键词： Hypoxia tolerance Catabolic preference lipid Carbohydrate Oxidative damage

Self-aggregating behavior of poly(4-vinyl pyridine)and the potential in mitigating sand production based onπ-πstacking interaction

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Petroleum Science 2022年第5期19卷 2165-2174页

作者： Jian-Da li Gui-Cai Zhang Ji-Jiang Ge Wen-li qiao Hong li Ping Jiang Hai-Hua Pei School of Petroleum Engineering China University of Petroleum(East China)Qingdao266580ShandongPR China College of Pharmacy Shandong University of Traditional Chinese MedicineJinan250000ShandongPR China

Unconsolidated sandstone reservoirs are most susceptible to sand production that leads to a dramatic oil production *** this study,the poly(4-vinyl pyridine)(P_(4)VP)incorporated with self-aggregating behavior was proposed for sand migration *** P_(4)VP could aggregate sand grains spontaneously throughπ-πstacking interactions to withstand the drag forces *** influential factors on the self-aggregating behavior of the P_(4)VP were evaluated by adhesion force *** adsorption as well as desorption behavior of P_(4)VP on sand grains was characterized by scanning electron microscopy and adhesion force test at different pH *** result indicated that the pH altered the forms of surface silanol groups on sand grains,which in turn affected the adsorption process of P_(4)*** spontaneous dimerization of P_(4)VP molecules resulting from theπ-πstacking interaction was demonstrated by reduced density gradient analysis,which contributed to the self-aggregating behavior and the thermally reversible characteristic of the P_(4)*** sand stabilization test revealed that the P_(4)VP showed wide pH and temperature ranges of *** production of sands can be mitigated effectively at 20-130℃ within the pH range of 4-8.

关键词： Self-aggregating Poly(4-vinyl pyridine) π-πstacking Sand migration control