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基于STIRPAT扩展模型的辽宁省能源碳排放影响因素研究

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节能 2024年第7期43卷 47-50页

作者：马景富丁国华沈阳理工大学自动化与电气工程学院辽宁沈阳110159

研究某地区人类活动对碳排放的影响并制定相应的碳减排政策。基于相关统计数据,使用IPCC法估算辽宁省2000~2022年能源碳排放量;选取总人口数、人均GDP、能源强度、城镇化率、煤炭消费量占比和第二产业占比6个变量建立STIRPAT扩展模型,并... 详细信息

研究某地区人类活动对碳排放的影响并制定相应的碳减排政策。基于相关统计数据,使用IPCC法估算辽宁省2000~2022年能源碳排放量;选取总人口数、人均GDP、能源强度、城镇化率、煤炭消费量占比和第二产业占比6个变量建立STIRPAT扩展模型,并对STIRPAT扩展模型进行多重共线性检验和岭回归分析。结果表明,除煤炭消费量占比和能源强度对能源碳排放量的增加产生负向影响外,其他因素均对能源碳排放量的增加产生正向影响,如控制人口规模、保持经济平稳健康发展、加速优化能源结构和提高能源效率等,进而控制辽宁省能源碳排放量。本研究对实现碳减排目标具有重要的意义。

关键词：能源碳排放 STIRPAT扩展模型岭回归

Synthesis,Structure and Photophysical Property of the Schiff Base on N,N-Ethylene-bis(3,5-dichlorosalicylideneimine) and Its Salen-Co(Ⅱ) Complex

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Chinese Journal of Structural Chemistry 2015年第5期34卷 741-748页

作者： GAO Rui ZHAO Yong JIANG Dao-Yong ding guo-hua College of Chemical and Bioengineering Guilin University of Technology

The ligand ethylenediamine-3,5-dichloro salicylaldehyde（HS） and its crystal Co（Ⅱ） complex（MS） were *** compounds have been characterized on the basis of elemental analysis,IR and 1H NMR spectral studies.X-ray single-crystal diffraction of crystal MS1 showed a classical Salen-N2O2 tetrahedral coordination model,space group P1 with a = 25.73（2）,b = 9.899（9）,c = 6.753（6） A,β = 103.467（10）o,V = 1673（3） A^3,Z = 4,C16H10Cl4 Co N2O2,Mr = 462.99,Dc = 1.838 g/cm^3,F（000） = 924,μ（Mo Kα） = 1.678 mm^-1（λ = 0.71073 A）,R = 0.0275 and w R = 0.0567 for 1247 observed reflections with I 〉 2σ（I）.Furthermore,luminescent properties were evaluated by UV-Visible absorption and FL ***,the thermal stability of compound HS was ***-DTG showed that the decomposition temperature（Td） of the molecules is up to 256 ℃ and the compound has fine performance in thermal *** results also indicated that the target compound HS exhibited certain chemiluminescence properties under the conditions of different time of 365 nm UV light and different *** general,this kind of multi-functional compounds has potential applications in the fields of information storage and nonlinear optical materials.

关键词： photochromic thermochromic crystal structure

地方应用型高校增材制造专业校企合作实践体系研究

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蚌埠学院学报 2024年第2期13卷 124-128页

作者：陈应航徐驰陈兴强丁国华刘瑶蚌埠学院机械与车辆工程学院安徽蚌埠233030 江西理工大学材料冶金化学学部江西赣州341099

深化“校企合作、产教融合”是地方应用型高校在转型发展过程中适应产业发展、教育升级的重要战略。但在实际发展过程中,仍存在着校企合作深度不够、机制不健全、专业度和长期性不足等制约因素。依据地方应用型高校自身办学条件,结合区... 详细信息

深化“校企合作、产教融合”是地方应用型高校在转型发展过程中适应产业发展、教育升级的重要战略。但在实际发展过程中,仍存在着校企合作深度不够、机制不健全、专业度和长期性不足等制约因素。依据地方应用型高校自身办学条件,结合区域特色,针对增材制造行业发展的特点,从增加政府支持、加强专业人才培养、优化师资队伍结构、建设内外培训基地、改进评价监督机制、建立有特色的课程体系等方面研究增材制造专业校企合作实践体系的全面改革,明确高校人才培养的定位。研究成果可以为相关专业的教育实践和理论研究提供参考。

关键词：地方应用型高校校企合作增材制造专业实践体系

IgA肾病伴高尿酸血症患者的危险因素及其预后分析

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微循环学杂志 2024年第3期34卷 61-65页

作者：周涵张森张宗玮胡宏图梁伟丁国华武汉大学人民医院肾内科武汉430060

目的:分析IgA肾病(IgAN)伴高尿酸血症(hua)患者的危险因素及其预后。方法:2014-01-2022-05经肾活检确诊为原发性IgAN患者471例,根据其血尿酸(UA)水平分为hua组(n=278)和正常尿酸组(NUA组,n=193)。比较两组患者基线时的临床和病理资料,采... 详细信息

目的:分析IgA肾病(IgAN)伴高尿酸血症(hua)患者的危险因素及其预后。方法:2014-01-2022-05经肾活检确诊为原发性IgAN患者471例,根据其血尿酸(UA)水平分为hua组(n=278)和正常尿酸组(NUA组,n=193)。比较两组患者基线时的临床和病理资料,采用Logistic回归分析IgAN伴hua的危险因素。依据随访期间(中位随访时间50.4个月)患者终点事件,即肾小球滤过率(eGFR)较基线降低50%,或血肌酐(Scr)水平大于基线两倍,或进展至终末期肾病(ESRD),采用COX回归分析IgAN伴hua患者不良预后的影响因素,Kaplan-Meier生存曲线比较两组肾脏生存率。结果:hua组高血压比例、Scr、甘油三酯(TG)、24h尿蛋白(UTP)、肾小管萎缩/间质纤维化(T1-T2)及新月体病变(C1-C2)比NUA组更严重,而白蛋白(Alb)水平较NUA组降低(Phua的独立危险因素为UTP(OR:1.231;95%CI:1.042-1.454,Phua组(14.44%)显著高于NUA组(1.49%)(χ^(2)=5.16,Phua患者不良预后的独立危险因素。Kaplan-Meier生存曲线分析显示hua组的肾脏生存率显著低于NUA组(92.68%vs 97.92%,χ^(2)=12.35,Phua患者的危险因素有助于改善患者预后。

关键词： IgA肾病高尿酸血症危险因素预后

The ab initio quantum chemical calculation of MgH+ and Mg2H+

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Acta Chimica Sinica(English Edition) 1984年第2期2卷 119-122页

作者： LIU Hong-Lin CHEN Nian-Yi Shanghai Institute of Metallurgy,Academia SinicaDAI ding-guo hua guo-Dong Department of Chemistry,Tongji University,Shanghai Shanghai Institute of Metallurgy Academia Sinica Department of Chemistry Tongji University Shanghai

The potential energy curve of MgH+ and the potential energy surface of Mg2H+ arecalculated by quantum chemical ab initio SCF MO method with STO-3G basis *** electronicwave functions and populations are *** eqilibrium internuclear distance of MgH+ is *** are two possible configurations of Mg2H+:C∞v and D∞*** former is（Mg-Mg-H）+,with bond length rMg-Mg=2.41 and rMg-H=*** latter is（Mg-H-Mg）+,with bondlength rMg-H=*** cause of the stability of these species is *** result of cal-culation about the bond length of MgH+ agrees reasonably well with experimental *** con-clusion about the stability of（Mg-Mg-H）+ ion supports the hypothesis proposed by Porter,based onthermodynamical calculation.

关键词： and Mg2H The ab initio quantum chemical calculation of MgH

Harnessing bacteria for tumor therapy:Current advances and challenges

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Chinese Chemical Letters 2024年第2期35卷 97-106页

作者： Lina guo Jinsong ding Wenhu Zhou Xiangya School of Pharmaceutical Sciences Central South UniversityChangsha 410013China Changsha Medical University Academician WorkstationChangsha 410219China Key Laboratory of Biological Nanotechnology of National Health Commission Changsha 410008China

After a century of standstill,bacteria-based tumor therapy has resurged recently benefiting from the revolution of tumor immunotherapy,which provides unique solutions to tackle the obstacles of traditional tumor *** and facultative anaerobes with active tropism can selectively colonize at tumor sites and suppress tumor growth via different mechanisms,serving as attractive tools for tumor treatment either as a monotherapy or combining with other therapies for synergistic anti-tumor *** this critical review,we introduce the recent advances of bacteria-based tumor therapy from the following ***,the general properties of bacteria are reviewed emphasizing on their structural components related to tumor immunotherapy,and the main bacteria that have been used in tumor therapy are ***,the benefits of bacteria for tumor therapy are illustrated,such as tumor targetability,deep penetration,and facile genetic engineering for attenuation,enhanced efficacy,as well as ***,anti-tumor mechanisms of bacteria are summarized,which refer to intrinsic tumoricidal activities,immune activation,bacteria metabolism,and their capability to regulate gut microbiota ***,bacteria could act as carriers to deliver various types of therapeutics to achieve combination therapy with improved *** addition,several challenges for anti-tumor applications of bacteria are discussed regarding the delivery,efficacy and safety issues,and potential solutions are also ***,the possible improvements and perspectives are discussed in the end,which provide a guideline for the design of advanced bacteria-based tumor therapeutics in the future.

关键词： Bacteria Tumor targeting Immunotherapy Combination therapy Genetic engineering Surface decoration

The coupling control of biological precursors and environmental factors onβ-carotane enrichment in alkaline lacustrine source rocks:A case study from the Fengcheng formation in the western Junggar Basin,NW China

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Petroleum Science 2024年第2期21卷 836-854页

作者： Mao-guo Hou Ming Zha hua Liu Hai-Lei Liu Jiang-Xiu Qu Ablimit Imin Xiu-Jian ding Zhong-Fa Jiang School of Geosciences China University of PetroleumQingdaoShandong266580China Research Institute of Exploration and Development Xinjiang Petroleum Administration BureauKaramayXinjiang834000China

The organic-rich mudstones and dolostones of the Permian Fengcheng Formation(Fm.)are typically alkaline lacustrine source rocks,which are typified by impressively abundantβ-*** β-carotane has been well acknowledged as an effective indicator of biological sources or depositional ***,the specific biological sources of β-carotane and the coupling control of biological sources and environmental factors on the enrichment of β-carotane in the Fengcheng *** *** on a comprehensive investigation of the bulk,molecular geochemistry,and organic petrology of sedimentary rocks and the biochemistry of phytoplankton in modern alkaline lakes,we proposed a new understanding of the biological precursors of β-carotane and elucidated the enrichment mechanism of β-carotane in the Fengcheng *** results show that the biological precursors crucially control the enrichment of β-carotane in the Fengcheng *** haloalkaliphilic cyanobacteria are the primary biological sources of β-carotane,which is suggested by a good positive correlation between the 2-methylhopane index,7-+8-methyl heptadecanes/C_(max),C_(29%),and β-carotane/C_(max)in sedimentary rocks and the predominance of cyanobacteria with abundantβ-carotene in modern alkaline *** enrichment of β-carotane requires the reducing condition,and the paleoredox state that affects the enrichment of β-carotane appears to have a *** paleoclimate conditions do not considerably impact the enrichment of β-carotane,but they have some influence on the water's paleosalinity by affecting evaporation and *** it does not directly affect the enrichment of β-carotane in the Fengcheng Fm.,paleosalinity does have an impact on the cyanobacterial precursor supply and the preservation conditions.

关键词： β-carotane enrichment Cyanobacterial input Environmental impact Alkaline lacustrine source rocks The Fengcheng formation

Electrochemical anodic oxidation assisted fabrication of memristors

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International Journal of Extreme Manufacturing 2024年第3期6卷 250-272页

作者： Shuai-Bin hua Tian Jin Xin guo School of Materials Science and Engineering State Key Laboratory of Material Processing and Die&Mould TechnologyHuazhong University of Science and TechnologyWuhan 430074People’s Republic of China

Owing to the advantages of simple structure,low power consumption and high-density integration,memristors or memristive devices are attracting increasing attention in the fields such as next generation non-volatile memories,neuromorphic computation and data ***,the deposition of memristive films often requires expensive equipment,strict vacuum conditions,high energy consumption,and extended processing *** contrast,electrochemical anodizing can produce metal oxide films quickly(e.g.10 s) under ambient *** means of the anodizing technique,oxide films,oxide nanotubes,nanowires and nanodots can be fabricated to prepare *** film thickness,nanostructures,defect concentrations,etc,can be varied to regulate device performances by adjusting oxidation parameters such as voltage,current and *** memristors fabricated by the anodic oxidation technique can achieve high device consistency,low variation,and ultrahigh yield *** article provides a comprehensive review of the research progress in the field of anodic oxidation assisted fabrication of ***,the principle of anodic oxidation is introduced;then,different types of memristors produced by anodic oxidation and their applications are presented;finally,features and challenges of anodic oxidation for memristor production are elaborated.

关键词： anodic oxidation anodized aluminium oxide memristor resistive switching electrical properties

The crosstalk between enteric nervous system and immune system in intestinal development,homeostasis and diseases

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Science China(Life Sciences) 2024年第1期67卷 41-50页

作者： Xindi Wang Chenbo ding hua-Bing Li Shanghai Institute of Immunology State Key Laboratory of Oncogenes and Related GenesShanghai Jiao Tong University School of MedicineShanghai 200025China Shanghai Jiao Tong University School of Medicine-Yale Institute for Immune Metabolism Shanghai Jiao Tong University School of MedicineShanghai 200025China

The gut is the largest digestive and absorptive organ,which is essential for induction of mucosal and systemic immune responses,and maintenance of metabolic-immune *** intestinal components contain the epithelium,stromal cells,immune cells,and enteric nervous system(ENS),as well as the outers,such as gut microbiota,metabolites,and *** dyshomeostasis of intestinal microenvironment induces abnormal intestinal development and functions,even colon diseases including dysplasia,inflammation and *** recent studies have identified that ENS plays a crucial role in maintaining the immune homeostasis of gastrointestinal(GI)*** crosstalk between ENS and immune cells,mainly macrophages,T cells,and innate lymphoid cells(ILCs),has been found to exert important regulatory roles in intestinal tissue programming,homeostasis,function,and *** this review,we mainly summarize the critical roles of the interactions between ENS and immune cells in intestinal homeostasis during intestinal development and diseases progression,to provide theoretical bases and ideas for the exploration of immunotherapy for gastrointestinal diseases with the ENS as potential novel targets.

关键词： enteric nervous system macrophages T cells innate lymphoid cells neuro-immune interactions