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Efficacy of Huangma Ding or autologous platelet-rich gel for the diabetic lower extremity arterial disease patients with foot ulcers

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World Journal of Diabetes 2024年第5期15卷 923-934页

作者： xue-Qin Wang Dan-Lan Pu Wei-Ling Leng xiao-Tian Lei Jiang Juan Zou La Ding Yao Jia-Zhuang xi Li Jian Teng Miao Qi-Nan Wu Endocrinology Department The People’s Hospital of Yubei District of Chongqing CityChongqing 401120China Department of Endocrinology Chongqing Yubei District People’s HospitalChongqing 400030China Endocrinology Department The First Affiliated Hospital of the Army Medical UniversityChongqing 400038China Endocrinology and Nephrology Department Chongqing University Cancer Hospital and Chongqing Cancer Institute and Chongqing Cancer HospitalChongqing 400016China Department of Endocrinology Dazu Hospital of Chongqing Medical UniversityThe People’s Hospital of DazuChongqing 402360China

BACKGROUND Diabetes foot is one of the most serious complications of diabetes and an important cause of death and disability,traditional treatment has poor efficacy and there is an urgent need to develop a practical treatment *** To investigate whether Huangma Ding or autologous platelet-rich gel(APG)treatment would benefit diabetic lower extremity arterial disease(LEAD)patients with foot *** A total of 155 diabetic LEAD patients with foot ulcers were enrolled and divided into three groups:Group A(62 patients;basal treatment),Group B(38 patients;basal treatment and APG),and Group C(55 patients;basal treatment and Huangma Ding).All patients underwent routine follow-up visits for six *** follow-up,we calculated the changes in all variables from baseline and determined the differences between groups and the relationships between *** The infection status of the three groups before treatment was the ***(PCT)improved after APG and Huangma Ding treatment more than after traditional treatment and was significantly greater in Group C than in Group *** regression analysis revealed that PCT was positively correlated with total amputation,primary amputation,and minor amputation *** ankle-brachial pressure and the transcutaneous oxygen pressure in Groups B and C were greater than those in Group *** major amputation rate,minor amputation rate,and total amputation times in Groups B and C were lower than those in Group *** Our research indicated that diabetic foot ulcers(DFUs)lead to major amputation,minor amputation,and total amputation through local infection and poor microcirculation and *** Ding and APG were effective attreating *** clinical efficacy of Huangma Ding was better than that of autologous platelet gel,which may be related to the better control of local infection by Huangma *** finding suggested that in patients with DFUs combined with coinfection,controll

关键词： Diabetic foot ulcer Huangma Ding Autologous platelet-rich gel Ankle-brachial index Transcutaneous oxygen partial pressure

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离子辐照对材料磁性的调控及其应用

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物理学报 2024年第13期73卷 28-43页

作者：郭玺左亚路崔宝山申铁龙盛彦斌席力兰州大学物理科学与技术学院兰州730000 中国科学院近代物理研究所兰州730000

离子辐照技术具有离子束能量密度高、实验条件可精确控制,且不受化学剂量比影响的特点,利用离子束辐照材料,可实现定向掺杂,或精确引入和调控现缺陷位和密度等优势,因此在多个领域,如材料改性、芯片制造、生物医学、能源及化工领域都得... 详细信息

离子辐照技术具有离子束能量密度高、实验条件可精确控制,且不受化学剂量比影响的特点,利用离子束辐照材料,可实现定向掺杂,或精确引入和调控现缺陷位和密度等优势,因此在多个领域,如材料改性、芯片制造、生物医学、能源及化工领域都得到了广泛应用.尤其在磁性材料改性领域,该技术能够通过细致控制离子束的能量、剂量和辐照方向,实现对磁性材料的定制化性能优化.为进一步提升磁性材料的性能并探索新的磁性器件,本文深入地探讨了离子辐照如何精确调制各种磁相互作用,并分析其对自旋霍尔效应和磁结构动力学的影响.首先着重介绍了离子辐照在调控垂直磁各向异性、交换偏置及RKKY相互作用等磁性特征方面的最新研究成果.这些调控手段对于理解和优化磁性材料的微观结构和性质至关重要.接着,本文详细地探讨了离子辐照在调控自旋轨道力矩器件中的重要作用.这些应用展示了离子辐照技术在设计高性能磁性存储和处理器件方面的潜力.最后,还讨论了辐照离子种类、能量、剂量、辐照面积等参数对磁斯格明子成核位置、密度、尺寸、稳定性以及磁斯格明子霍尔效应的调控作用,阐明了离子辐照改变磁斯格明子生成、湮灭、运动规律等方面的内在机理,为制备基于磁斯格明子运动的低功耗存储器件提供新的途径.此外,本文还就离子辐照技术在未来多功能磁性传感器及信息存储磁介质制备方面的可能应用进行了前瞻性分析.离子辐照技术为磁性材料的性能调控和应用扩展提供了新的可能性.随着研究的深入,这项技术有望在未来的材料科学、电子器件以及信息技术等多个领域发挥更大的作用.

关键词：离子辐照磁相互作用能自旋轨道力矩磁斯格明子

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Uncertainty and sensitivity analysis of in-vessel phenomena under severe accident mitigation strategy based on ISAA-SAUP program

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Nuclear Science and Techniques 2024年第1期35卷 108-123页

作者： Hao Yang Ji-Shen Li Zhi-Ran Zhang Bin Zhang Jian-Qiang shan School of Nuclear Science and Technology Xi’an Jiaotong UniversityXi’an 710049China State Key Laboratory of Multiphase Flow in Power Engineering Xi’an Jiaotong UniversityXi’an 710049China

The phenomenology involved in severe accidents in nuclear reactors is highly ***,integrated analysis programs used for severe accident analysis heavily rely on custom empirical parameters,which introduce considerable ***,in recent years,the field of severe accidents has shifted its focus toward applying uncertainty analysis methods to quantify uncertainty in safety assessment programs,known as“best estimate plus uncertainty(BEPU).”This approach aids in enhancing our comprehension of these programs and their further development and *** study concentrates on a third-generation pressurized water reactor equipped with advanced active and passive mitigation *** an Integrated Severe Accident Analysis Program(ISAA),numerical modeling and uncertainty analysis were conducted on severe accidents resulting from large break loss of coolant *** uncertainty parameters of the ISAA program were meticulously *** Wilks'formula,the developed uncertainty program code,SAUP,was employed to carry out Latin hypercube sampling,while ISAA was employed to execute batch *** analysis was then conducted on two figures of merit,namely hydrogen generation and the release of fission products within the pressure *** calculations revealed that hydrogen production and the fraction of fission product released exhibited a normal distribution,ranging from 182.784 to 330.664 kg and from 15.6 to 84.3%,*** ratio of hydrogen production to reactor thermal power fell within the range of 0.0578–0.105.A sensitivity analysis was performed for uncertain input parameters,revealing significant correlations between the failure temperature of the cladding oxide layer,maximum melt flow rate,size of the particulate debris,and porosity of the debris with both hydrogen generation and the release of fission products.

关键词： Gen-III PWR Severe accident mitigation Wilks’formula Hydrogen Fission products Uncertainty and sensitivity analysis

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Plackett-Burman试验结合Box-Behnken响应面法优化琯溪蜜柚海绵层水溶性抗氧化膳食纤维猪肉丸加工配方

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食品工业科技 2024年第10期45卷 176-186页

作者：薛山赵昕源胡潘虹闽南师范大学生物科学与技术学院福建漳州363000 菌物产业福建省高校工程研究中心福建漳州363000 漳台休闲食品与茶饮料研究所福建漳州363000

为进一步研发并提升猪肉丸产品品质,研究采用Plackett-Burman结合Box-Behnken试验设计,以硬度、内聚性、弹性、咀嚼性四个质构指标的综合评分为指标,优化琯溪蜜柚海绵层水溶性抗氧化膳食纤维(Soluble antioxidant dietary fiber,SADF)... 详细信息

为进一步研发并提升猪肉丸产品品质,研究采用Plackett-Burman结合Box-Behnken试验设计,以硬度、内聚性、弹性、咀嚼性四个质构指标的综合评分为指标,优化琯溪蜜柚海绵层水溶性抗氧化膳食纤维(Soluble antioxidant dietary fiber,SADF)猪肉丸的加工配方,分别考察SADF(羟自由基清除率为IC_(50)=0.92 mg/mL)、玉米淀粉、食盐、复合磷酸盐以及水分添加量对猪肉丸硬度(X_(1))、内聚性(X_(2))、弹性(X_(3))、咀嚼性(X_(4))及质构综合评分(Y)的影响,基于上述结果,采用Plackett-Burman设计筛选对实验结果影响较为显著的因素(SADF、玉米淀粉以及水分添加量)进行Box-Behnken响应曲面优化试验,并用光学显微镜和扫描电镜观察猪肉丸微观结构。结果表明:采用降维分析法提得两个公共因子,确立猪肉丸Y值计算公式为:Y=(84.055Y_(1)+15.627Y_(2))/99.681(Y_(1)=0.234X_(1)+0.259X_(2)+0.297X_(3)+0.296X_(4),Y_(2)=0.989X_(1)-0.784X_(2)-0.010X_(3)-0.084X_(4));最终得到猪肉丸最优配方为:琯溪蜜柚海绵层SADF添加量为6.49%,玉米淀粉添加量为18.64%,水添加量为29.98%,此时猪肉丸质构综合评分最高(1.2782分),猪肉丸软硬适中、粘弹性优良;经光学显微镜和扫描电镜观察猪肉丸微观结构显示,6.49%SADF添加组肉丸较之未添加SADF组能够明显改善猪肉丸的整体结构,使其微观结构细密均匀,内部凝胶网络相互交联程度增强。综上,本研究不仅提升了猪肉丸的营养与质构品质,还实现了蜜柚废弃物的综合利用,为肉糜类食品品质优化提升提供了新思路。

关键词：猪肉丸海绵层水溶性抗氧化膳食纤维 Plackett-Burman Box-Behnken 质构综合评分微观结构

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Fault Analysis on AES:A Property-Based Verification Perspective

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Tsinghua Science and Technology 2024年第2期29卷 576-588页

作者： xiaojie Dai xingxin Wang xue Qu Baolei Mao Wei Hu School of Cybersecurity Northwestern Polytechnical UniversityXi’an 710072China School of Cyber Science and Engineering Zhengzhou UniversityZhengzhou 450001China

Fault analysis is a frequently used side-channel attack for ***,existing fault attack methods usually involve complex fault fusion analysis or computation-intensive statistical analysis of massive fault *** this work,we take a property-based formal verification approach to fault *** derive fine-grained formal models for automatic fault propagation and fusion,which establish a mathematical foundation for precise measurement and formal reasoning of fault *** extract the correlations in fault effects in order to create properties for fault *** further propose a method for key recovery,by formally checking when the extracted properties can be satisfied with partial keys as the search *** results using both unprotected and masked advanced encryption standard(AES)implementations show that our method has a key search complexity of 216,which only requires two correct and faulty ciphertext pairs to determine the secret key,and does not assume knowledge about fault location or pattern.

关键词： side-channel attack fault analysis fault propagation model property extraction fault verification

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EZH2-dependent myelination following sciatic nerve injury

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Neural Regeneration Research 2025年第8期20卷 2382-2394页

作者： Hui Zhu Li Mu xi Xu Tianyi Huang Ying Wang Siyuan Xu Yiting Wang Wencong Wang Zhiping Wang Hongkui Wang Chengbin xue Research Center of Clinical Medicine Affiliated Hospital of Nantong UniversityKey Laboratory of Neuroregeneration of Jiangsu and Ministry of EducationCo-innovation Center of NeuroregenerationNMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology ProductsNantong UniversityNantongJiangsu ProvinceChina Medical School of Nantong University NantongJiangsu ProvinceChina Department of Neurology Affiliated Hospital of Nantong UniversityNantongJiangsu ProvinceChina Department of Rehabilitation Medicine Affiliated Hospital of Nantong UniversityNantongJiangsu ProvinceChina Department of Critical Care Medicine Nantong Fourth People’s HospitalNantongJiangsu ProvinceChina

Demyelination and remyelination have been major focal points in the study of peripheral nerve regeneration following peripheral nerve ***,the gene regulatory network of regenerated myelin differs from that of native *** of enhancer of zeste homolog 2(EZH2)hinders the differentiation,maturation,and myelination of Schwann cells in *** further determine the role of EZH2 in myelination and recovery post-peripheral nerve injury,conditional knockout mice lacking Ezh2 in Schwann cells(Ezh2^(fl/fl);Dhh-Cre and Ezh2^(fl/fl);Mpz-Cre)were *** results show that a significant proportion of axons in the sciatic nerve of Ezh2-depleted mice remain *** highlights the crucial role of Ezh2 in initiating Schwann cell ***,we observed that 21 days after inducing a sciatic nerve crush injury in these mice,most axons had remyelinated at the injury site in the control nerve,while Ezh2^(fl/fl);Mpz-Cre mice had significantly fewer remyelinated axons compared with their wild-type *** suggests that the absence of Ezh2 in Schwann cells impairs myelin formation and *** conclusion,EZH2 has emerged as a pivotal regulatory factor in the process of demyelination and myelin regeneration following peripheral nerve *** EZH2 activity during these processes may offer a promising therapeutic target for the treatment of peripheral nerve injuries.

关键词： demyelination EZH2 myelination peripheral nerve injury PRC2 remyelination Schwann cells sciatic nerve crush sciatic nerve transection

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生态位视域下世界一流大学的战略选择及其启示

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黑龙江高教研究 2024年第9期42卷 36-41页

作者：薛珊刘路湖北师范大学湖北黄石435002 江苏大学江苏镇江212013

生态位理论为世界一流大学战略选择提供了新的分析视角。世界一流大学战略选择的要义在于立足生态环境确定生态位,建立大学与环境的适应性机制,依据生态位目标配置战略资源。其战略选择具体体现为共生发展、协同发展、跨越式发展、错位... 详细信息

生态位理论为世界一流大学战略选择提供了新的分析视角。世界一流大学战略选择的要义在于立足生态环境确定生态位,建立大学与环境的适应性机制,依据生态位目标配置战略资源。其战略选择具体体现为共生发展、协同发展、跨越式发展、错位发展等战略。对“双一流”建设的启示有:更新战略选择理念,准确定位生态位;优化战略实施策略,采取适宜的生态位战略;拓展生态位宽度,持续跃升生态位。

关键词：生态位世界一流大学战略选择

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Thermodynamic phase transition and winding number for the third-order Lovelock black hole

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Chinese Physics C 2024年第9期48卷 188-198页

作者： Yu-shan Wang Zhen-Ming Xu Bin Wu School of Physics Northwest UniversityXi'an 710127China Shaanxi Key Laboratory for Theoretical Physics Frontiers Xi'an 710127China Peng Huanwu Center for Fundamental Theory Xi'an 710127China

Phase transition is important for understanding the nature and evolution of the black hole thermodynamic *** this study,we predicted the phase transition of the third-order Lovelock black hole using the winding numbers in complex analysis,and qualitatively validated this prediction by the generalized free *** the 7xist,one involving a purely second-order phase transition and the other involving simultaneous first-order and second-order phase *** result further deepens the research on black hole phase transitions using the complex analysis.

关键词： black hole thermodynamics Lovelock black hole phase transition

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Comparison of Rotating Stall Warning by Different Methods for Variable Speed Configurations in a Contra-Rotating Compressor

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Journal of Thermal Science 2024年第4期33卷 1379-1393页

作者： xue Fei WANG Yan'gang LIU Qian WU Tong LIU Hanru School of Power and Energy Northwestern Polytechnical UniversityXi’an710072China

Stall in compressors can cause performance degradation and even lead to *** unacceptable consequences can be avoided by timely monitoring stall inception and taking effective *** paper focused on the rotating stall warning in a low-speed axial contra-rotating ***,the stall disturbance characteristics under different speed configurations were *** results showed that as the speed ratio(RR)increased,the stall disturbance propagation speed based on the rear rotor speed gradually ***,the standard deviation(SD)method,the cross-correlation(CC)method,and the discrete wavelet transform(DWT)method were employed to obtain the stall initiation moments of three different speed *** was found that the SD and CC methods did not achieve significant stall warning results in all three speed ***,the stall initiation moment obtained by the DWT method at RR=1.125 was one period after the stall had fully developed,which was ***,a stall warning method was developed in the present work based on the long short-term memory(LSTM)regression *** applying the LSTM model,the predicted stall initiation moments of three speed configurations were at the 557th,518th,and 333rd revolution,which were44,2,and 74 revolutions ahead of stall onset moments,***,in scenarios where a minor disturbance preceded the stall,the stall warning effect of the LSTM was greatly improved in comparison with the aforementioned three *** contrast,when the pressure fluctuation before the stall was relatively small,the differences between the stall initiation moments predicted by these four methods were not significant.

关键词： contra-rotating compressor stall disturbance stall initiation moment long short-term memory(LSTM) stall warning

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Research on the mechanism of rockburst induced by mined coal-rock linkage of sharply inclined coal seams

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International Journal of Minerals,Metallurgy and Materials 2024年第5期31卷 929-942页

作者： xingping Lai Huicong Xu Pengfei shan Qinxin Hu Weixi Ding shangtong Yang Zhongming Yan College of Energy Science and Engineering Xi’an University of Science and TechnologyXi’an 710054China State Key Laboratory of Green Low Carbon Development of Oil-rich Coal in Western China Xi’an 710054China College of Future Technology Xi’an University of Science and TechnologyXi’an 710054China Department of Civil and Environmental Engineering University of StrathclydeGlasgowG11XJUK

In recent years,the mining depth of steeply inclined coal seams in the Urumqi mining area has gradually *** deformation of mining coal-rock results in frequent *** has become a critical issue that affects the safe mining of deep,steeply inclined coal *** this work,we adopt a perspective centered on localized deformation in coal-rock mining and systematically combine theoretical analyses and extensive data mining of voluminous microseismic *** describe a mechanical model for the urgently inclined mining of both the sandwiched rock pillar and the roof,explaining the mechanical response behavior of key disaster-prone zones within the deep working face,affected by the dynamics of deep *** exploring the spatial correlation inherent in extensive microseismic data,we delineate the“time-space”response relationship that governs the dynamic failure of coal-rock during the progression of the sharply inclined working *** results disclose that(1)the distinctive coal-rock occurrence structure characterized by a“sandwiched rock pillar-B6 roof”constitutes the origin of rockburst in the southern mining area of the Wudong Coal Mine,with both elements presenting different degrees of deformation localization with increasing mining depth.(2)As mining depth increases,the bending deformation and energy accumulation within the rock pillar and roof show nonlinear *** localized deformation of deep,steeply inclined coal-rock engenders the spatial superposition of squeezing and prying effects in both the strike and dip directions,increasing the energy distribution disparity and stress asymmetry of the“sandwiched rock pillar-B3+6 coal seam-B6 roof”*** makes worse the propensity for frequent dynamic disasters in the working face.(3)The developed high-energy distortion zone“inner-outer”control technology effectively reduces high stress concentration and energy distortion in the surrounding *** implementation,the averag

关键词： steeply inclined coal seam localized deformation mechanism of induced rockburst prevention and control of rockburst

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