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Earthquake Engineering and Engineering Vibration 2025年第1期24卷 235-256页

作者： He Jiajun Lu jun Guo Wei Dong Lianjie bai Xue Li Yongle Southwest Municipal Design&Research Institute of China Chengdu 610299China Southwest Jiaotong University Chengdu 610031China

Aerodynamic and dynamic interference from trains is a key issue of concern for the safety of road vehicles travelling on single-level rail-cum road *** on the wind-road vehicle-train-bridge(WRTB)coupled vibration system developed herein,this study examines the dynamic characteristics when road vehicles meet trains in this *** influence of load combination,vehicle type and vehicle location is analyzed.A method to obtain the aerodynamic load of road vehicles encountering the train at an arbitrary wind speed is *** results show that due to the windproof facilities and the large line distance between the railway and highway,the aerodynamic and dynamic influence of trains on road vehicles is slight,and the vibration of road vehicles depends on the road *** the road vehicles discussed,the bus is the easiest to rollover,and the truck-trailer is the easiest to *** with the aerodynamic impact of trains,the crosswind has a more significant influence on road *** first peak/valley value of aerodynamic loads determines the maximum dynamic response,and the quick method is optimized based on this *** cases show that the optimized method can produce conservative results and can be used for relevant research or engineering applications.

关键词： single-level rail-cum-road bridge vehicle-bridge coupled vibration dynamic characteristic aerodynamic impact road vehicle

考虑溶洞顶板自重时桩端持力岩层安全厚度计算方法

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岩土力学 2016年第10期37卷 2945-2952页

作者：柏华军中铁第四勘察设计院集团有限公司湖北武汉430063

通过对溶洞顶板持力层模型的合理简化,进一步完善了已有研究成果的溶洞顶板持力层抗冲切、抗剪切厚度公式,考虑自重影响因素。提出了可以考虑有效宽度、自重等影响因素的单向板、双向板抗拉弯破坏溶洞顶板持力层厚度公式。该公式力学概... 详细信息

通过对溶洞顶板持力层模型的合理简化,进一步完善了已有研究成果的溶洞顶板持力层抗冲切、抗剪切厚度公式,考虑自重影响因素。提出了可以考虑有效宽度、自重等影响因素的单向板、双向板抗拉弯破坏溶洞顶板持力层厚度公式。该公式力学概念清晰,计算简便。进一步结合工程实际中各种参数的取值范围,按照常规抗冲切、抗剪切和抗拉弯破坏模式,得出一般情况下溶洞持力层顶板抗冲切、抗剪切净厚度大于2.5-3.5倍桩径和抗拉弯破坏顶板总厚度大于5.0-5.5倍桩径即可满足设计要求。该研究可供岩溶区桥梁桩基工程设计和施工参考。

关键词：岩溶破坏机制桩基础安全厚度拉弯破坏冲切破坏

ESR studies on reactions of dicyclopentadienyl dicarbonyl titanium with organic halides

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Chinese Journal of Chemistry 1991年第3期9卷 205-211页

作者： WANG,Ji-Tao bai,Ling-jun LIU,Feng-Quan Department of Chemistry,Nankai University,Tianjin 300071 Department of Chemistry Nankai University Tianjin 300071

ESR method was used to elucidate the mechanism of the reactions of alkyl,allyl or benzyl halides with dicyclopentadienyldicarbonyl *** paramagnetic intermediates of the reac- tions were identified during the course of the *** reaction mechanism based on ESR find- ings and the products analyses is postulated to operate on radical *** alkyl halides were used to react with the organometallic compound 1,the intermediate found was[Cp_2Ti(CO)X](C), and the main product was identified to be dicyclopentadienyl-acyl-halo titanium(3),an insertion of TiCO into R-X,i.e.[Cp_2Ti-C(O)R]*** allyl or benzyl halidcs were used,the intermediate found was[Cp_2TiX](B),and the main products were identified to be the dicyclopentadienyl titanium dihalides and the coupling products of allyl or benzyl groups.

关键词： ESR studies on reactions of dicyclopentadienyl dicarbonyl titanium with organic halides

Research on the Motives of the Qualification Problem of Assets Valuation Industry in China——Study Based on Questionnaire and Factor Analysis

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International English Education Research 2015年第11期 14-20页

作者： Zhanbiao Li jun bai School of Economics&Management Shihezi University Shihezi Xinjiang China 832000

The assets valuation industry in China is the product, which comes from the reform and open policy and the development of the socialist market economy. Under more than 20 years of development which begins to bud in the beginning of the nineteen nineties, the assets valuation industry has become the indispensable Intermediary trade of the socialist market economy system in China. With the scale of assets valuation agency enlarging and its rapidly growing business in recent years, however, some problems have been exposed gradually, which harm the social image of the industry of asset valuation seriously. So the social public and the relevant administrative departments pay close attention on the quality of the asset valuation. To know about what are the essential causes that affect the assets valuation industry managers＇ decision, this paper, through using some means which include literature research, interview and questionnaire investigation and utilizing the method of the factor analysis, relegates 24 questions which come from some answers of the respondents to three factors which are the practicing quality factor, the sting factor of an organization and the internal management factor of valuation organization. Furthermore, it will analyze the features of these factors which are divided into two factors that are internal motivation and external motivation, looking for the key cause of the assets valuation industry quality problem of China which purposes in order to promote the healthy development of valuation profession and much better standard the internal quality of valuation industry of China.

关键词： Valuation Industry Quality Problem Factor Analysis

WHITE MATTER MICROSTRUCTURE CHANGES IN ACUPUNCTURE FOR PATIENTS WITH STABLE SOMATOSENSORY STROKE:A DIFFUSION TENSOR MAGNETIC RESONANCE IMAGING STUDY

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Journal of Integrative Medicine 2014年第3期 247-248页

作者： Li-jun bai School of Life Science and Technology Xi’an Jiaotong University

Objective: Acupuncture has been proved to have beneficial effects in the motor recovery process for stroke *** spite of its acceptance, the neural mechanism underlying acupuncture for motor recovery is still *** aim of the study was to characterize acupuncture efficacy-related white matter microstructural changes in patients with stable somatosensory ***: Twenty-four patients with right hemispheric striatocapsular infarction and stable ischemic stroke were assigned randomly to receive acupuncture or sham treatment for 4 *** age-matched and gender-matched normal subjects were also *** anisotropy(FA) and mean diffusivity(MD) maps from diffusion tensor imaging(DTI) were obtained for each stroke group before and after acupuncture treatments and for normal subject ***, mean FA and MD in regions with detected difference after acupuncture treatment were compared in each stroke group and correlations between diffusion quantities and severity of stroke were ***: White matter microstructure differences were found between patients and normal subjects primarily in the contralesional primary motor cortex(M1) and *** clinical data demonstrated that after 4 weeks of treatment the motricity index(MI) was increased significantly in the acupuncture group but there was no difference between the acupuncture and the sham *** the acupuncture group showed greater activity in the contralesional M1 and non-primary motor cortex(the insula and cingulate cortex) compared with the sham *** changes were also related significantly with the *** the sham group,the activity of the parahippocampus tended to be associated with the increase in the Barthel Index of activities in daily ***: Acupuncture and sham intervention have relatively different clinical efficacy and white matter microstructure *** treatment, which better improves the symptoms and quality of life of stroke pat

关键词： MI WHITE MATTER MICROSTRUCTURE CHANGES IN ACUPUNCTURE FOR PATIENTS WITH STABLE SOMATOSENSORY STROKE FA

Trauma care system in China

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Chinese Journal of Traumatology 2018年第2期21卷 80-83页

作者： Tao Liu xiang-jun bai Department of Traumatic Surgery Tongji Hospital Tongji Medical College Huazhong University of Science and Technology Wuhan China

With the development of modern society, high-energy trauma has become an increasing tendency, which brings a great challenge for trauma care. A well-running trauma care system that is composed by pre-hospital and in-hospital care has been proved to decrease the death and disability rate of trauma patients. However, establishment of trauma care system in China is still at the initial stage. Trauma care systems in China and developed countries represented by the United States and Germany are introduced respectively in this article. Construction of regional and hierarchical trauma center, training of specific trauma care team and performance of integrative trauma rescue model are recommended in China.

关键词： Trauma care system Trauma center Integrative mode

Identifying key genes associated with Hirschsprung's disease based on bioinformatics analysis of RNA-sequencing data

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World Journal of Pediatrics 2017年第3期13卷 267-273页

作者： Wei-Kang Pan Ya-Fei Zhang Hui Yu Ya Gao bai-jun Zheng Peng Li Chong Xie Xin Ge Department of Pediatric Surgery The Second Affiliated Hospital of Xi'an Jiaotong UniversityXi'an 710004China Department of Endoscopy Shaanxi Nuclear Industry 215 HospitalXianyang 712000China

Background:Hirschsprung's disease (HSCR) is a type of megacolon induced by deficiency or dysfunction of ganglion cells in the distal intestine and is associated with developmental disorders of the enteric nervous *** explore the mechanisms of HSCR,we analyzed the RNA-sequencing data of the expansion and the narrow segments of colon tissues separated from children with ***:RNA-sequencing of the expansion segments and the narrow segments of colon tissues isolated from children with HSCR was *** differentially expressed genes (DEGs) were identified using the edgeR package in R,functional and pathway enrichment analyses of DEGs were carried out using DAVID *** further screen the key genes,protein-protein interaction (PPI) network and module analyses were conducted separately using Cytoscape ***:A total of 117 DEGs were identified in the expansion segment samples,including 47 up-regulated and 70 down-regulated *** enrichment analysis suggested that FOS and DUSP1 were implicated in response to endogenous *** the PPI network analysis,FOS (degree=20),EGR1 (degree=16),ATF3 (degree=9),NOS1 (degree=8),CCL5 (degree=8),DUSP1 (degree=7),CXCL3 (degree=6),VIP (degree=6),FOSB (degree=5),and NOS2 (degree=4) had higher degrees,which could interact with other *** addition,two significant modules (module 1 and module 2) were identified from the PPI ***:Several genes (including FOS,EGR1,ATF3,NOS1,CCL5,DUSP1,CXCL3,VIP,FOSB,and NOS2) might be involved in the development of HSCR through their effect on the nervous system.

关键词： differentially expressed genes functional and pathway enrichment analysis Hirschsprung's disease protein-protein interaction network

Blue Electroluminescent Diodes Utilizing Blend of Poly (2,5-Dibutoxyphenylene) in Poly (N-Vinylcarbazole)

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Chinese Physics Letters 1996年第12期13卷 944-946页

作者： HUANG Jing-song ZHANG Hai-feng AN Hai-yan TIAN Wen-jing HOU Jing-ying CHEN bai-jun LIU Shi-yong SHEN Jia-cong National Laboratory of Integrated Optoelectronics Jilin UniversityChangchun 130023 Key Laboratory of Molecular Spectra and Molelcular Structure Jilin UniversityChangchun 130023

Blue emission from polymer blends composed of poly(2,5-dibutoxyphenyiene)(PPP)in a matrix polymer poly(N-vinylcarbazole)(PVK)is *** light-emitting layer can be fabricated by spin-coating of PPP-PVK blend solution without subsequent processing or heat treatment.A cell structure of glass substrate/indium-tin-oxide/PPP-PVK blend/aluminum is *** light emission with a peak position at 448nm occurs at a bias of about 8V.

关键词： carbazole subsequent blends

Rheum palmatum L. and Salvia miltiorrhiza Bge. Alleviates Acute Pancreatitis by Regulating Th17 Cell Differentiation: An Integrated Network Pharmacology Analysis, Molecular Dynamics Simulation and Experimental Validation

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Chinese Journal of Integrative Medicine 2024年第5期30卷 408-420页

作者： FENG Min-chao LUO Fang HUANG Liang-jiang LI Kai CHEN Zu-min LI Hui YAO Chun QIN bai-jun CHEN Guo-zhong The First Clinical Medical College Guangxi University of Traditional Chinese MedicineNanning 530000China Guangxi Key Laboratory of Molecular Biology of Traditional Chinese Medicine and Preventive Medicine Nanning 530000China Graduate School Guangxi University of Traditional Chinese MedicineNanning 530000China Department of Gastroenterology the First Affiliated Hospital of Guangxi University of Traditional Chinese MedicineNanning 530023China

Objective: To identify the core targets of Rheum palmatum L. and Salvia miltiorrhiza Bge.,(Dahuang-Danshen, DH-DS) and the mechanism underlying its therapeutic efficacy in acute pancreatitis(AP)using a network pharmacology approach and validate the findings in animal experiments. Methods: Network pharmacology analysis was used to elucidate the mechanisms underlying the therapeutic effects of DH-DS in AP. The reliability of the results was verified by molecular docking simulation and molecular dynamics ***, the results of network pharmacology enrichment analysis were verified by immunohistochemistry,Western blot analysis and real-time quantitative PCR, respectively. Results: Sixty-seven common targets of DH-DS in AP were identified and mitogen-activated protein kinase 3(MAPK3), Janus kinase 2(JAK2), signal transducer and activator of transcription 3(STAT3), protein c-Fos(FOS) were identified as core targets in the protein interaction(PPI) network analysis. Gene ontology analysis showed that cellular response to organic substance was the main functions of DH-DS in AP, and Kyoto Encyclopedia of Genes and Genomes analysis showed that the main pathway included Th17 cell differentiation. Molecular docking simulation confirmed that DH-DS binds with strong affinity to MAPK3, STAT3 and FOS. Molecular dynamics simulation revealed that FOS-isotanshinone Ⅱ and STAT3-dan-shexinkum d had good binding capacity. Animal experiments indicated that compared with the AP model group, DH-DS treatment effectively alleviated AP by inhibiting the expression of interleukin-1β, interleukin-6 and tumor necrosis factor-α, and blocking the activation of Th17 cell differentiation(P<0.01). Conclusion: DH-DS could inhibit the expression of inflammatory factors and protect pancreatic tissues,which would be functioned by regulating Th17 cell differentiation-related m RNA and protein expressions.

关键词： Rheum palmatum L. Salvia miltiorrhiza Bge. molecular docking simulation network pharmacology acute pancreatitis Th17 cell differentiation

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弹性分开式扣件线路精调施工技术研究

铁道工程学报 2013年第11期30卷 45-50页

作者：白杨军中铁一局集团有限公司西安710054

研究目的:轨道精调是确保高速铁路高平顺性、高速运行、高稳定性的重要环节,本文结合多条高速铁路轨道精调施工实践,通过对CRTSⅠ型板式无砟轨道线路静态精调过程中各关键施工工艺研究,形成弹性分开式扣件线路静态精调施工技术。研究结... 详细信息

研究目的:轨道精调是确保高速铁路高平顺性、高速运行、高稳定性的重要环节,本文结合多条高速铁路轨道精调施工实践,通过对CRTSⅠ型板式无砟轨道线路静态精调过程中各关键施工工艺研究,形成弹性分开式扣件线路静态精调施工技术。研究结论:通过对轨道精调工艺探索研究及工程实际验证,得出:(1)基于轨道调整量数据模拟分析原理,采用自主研发的数据模拟分析软件,为轨道精调提供实施依据,提高了精调工效;(2)提出的适应分开式扣件系统"先高低,后水平,先轨向,后轨距"精调作业顺序,减少了精调工作量;(3)提出的采用同一根钢轨作为高低与轨向基准轨的方法,避免了精调时对轨道的扰动,减少了反复调试,提高了精调工效和质量;(4)本研究结论适用于高速铁路、客运专线CRTSⅠ型板式无砟轨道采用弹性分开式扣件线路静态精调施工。

关键词：高速铁路无砟轨道弹性分开式扣件线路精调技术