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Acta Mathematicae Applicatae Sinica 2016年第1期32卷 81-94页

作者： na ba Yan-yan WANG Lie ZHENG School of Science Hubei University of Technology Department of Mathematics Zhoukou Normal University

In this paper,we consider the following problem {-Δu（x）＋u（x）=λ（u^p（x）＋h（x））,x∈R^N,u（x）∈h^1（R^N）,u（x）〉0,x∈R^N,（＊）where λ 〉 0 is a parameter,p =（N＋2）/（N—2）.We will prove that there exists a positive constant 0 〈 A＊〈＋00such that（＊） has a minimal positive solution for λ∈（0,λ＊）,no solution for λ 〉 λ＊,a unique solution for λ = λ＊.Furthermore,（＊） possesses at least two positive solutions when λ∈（0,λ＊） and 3 ≤ N ≤ *** N ≥ 6,under some monotonicity conditions of h we show that there exists a constant 0 〈λ＊＊〈 λ＊ such that problem（＊）possesses a unique solution for λ∈（0,λ＊＊）.

关键词： nonhomogeneous semilinear elliptic problems multiplicity uniqueness

Efficacy and safety of electroacupuncture for insomnia:A systematic review and meta-analysis

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Journal of Integrative Medicine 2024年第4期22卷 459-472页

作者： Han-yu Xu Lin-na Wu Yuan Zhang Te ba Xiao-feng Zhao Acupuncture and Moxibustion Department First Teaching Hospital of Tianjin University of Traditional Chinese MedicineTianjin 300193China national Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion Tianjin 300193China

background:Electroacupuncture is often used to treat ***:To evaluate the efficacy and safety of electroacupuncture for *** strategy:Databases including PubMed,Cochrane Library,Embase,Web of Science,Chinese Biomedical Literature Database,China.na.ional Knowledge Infrastructure,Wanfang Data and VIP Fulltext e-Journals Database were searched up to January 15,*** criteria:Randomized clinical trials were included if they compared the clinical efficacy and safety of electroacupuncture with sham acupuncture,no treatment or usual care (UC) and general *** extraction and analysis:The full texts of the studies were reviewed to remove ineligible *** extracted data included authors,publication year,diagnostic criteria,sample size,population characteristics,interventions and *** above steps were performed independently by two reviewers and the data were cross ***15.0 software was used to analyze the extracted outcome *** continuous data (Pittsburgh Sleep Quality Index[PSQI]score and Insomnia Severity Index score),weighted mean difference (WMD) was calculated and 95% confidence interval (CI) was reported when the same scale was *** dichotomous variables (clinical response rate and adverse events),a meta-analysis was performed using risk ratio (RR) as the effect ***:Thirty-one trials with 2226 subjects were *** meta-analysis suggested that electroacupuncture was more effective in improving insomnia compared with the control group (sham acupuncture,no treatment,UC and general acupuncture)(RR=1.21;95 CI:[1.16,1.27]),significantly reducing the PSQI score in insomnia patients after treatment and at follow-up (WMD=-3.23;95%CI:[-4.29,-2.17];P<0.001).There was no significant difference in the incidence of adverse events between the EA and control groups (sham acupuncture and no treatment or ***=1.48;95%CI:[0.91,2.40];P=0.117).In addition,the regression results revealed t

关键词： Electroacupuncture Insomnia Systematic review Meta-analysis

Influence of DC and AC Magnetic Fields on the Solidification Structures of Al-Fe-Si Alloys

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稀有金属材料与工程 2011年第S3期40卷 102-106页

作者： ban Chunyan, Liu na, Wang na, Han Yi, ba Qixian, Cui Jianzhong Key Laboratory of national Education Ministry for Electromagnetic Processing of Materials, Northeastern University, Shenyang 110004, China Northeastern Univ Key Lab Natl Educ Minist Electromagnet Proc Mat Shenyang 110004 Peoples R China

The effects of the DC and AC magnetic fields on the phase composition, morphology and distribution of the ternary Al-Fe-Si alloy were investigated. The solidification structures of the alloy solidified with and without the application of magnetic fields were confirmed by DSC and structural measurements. The results showed that, Fe/Si ratio plays an important role in determining the reaction type, which in turn affects the phase composition, morphology. As for the alloy with the Fe/Si ratio 1.2, the elongated needle-like Al3Fe phase was the dominant phase in the dendritic regions with the minor amount of Chinese script-like α-AlFeSi. As for the alloy with the Fe/Si ratio 0.2, the Chinese script-like α-AlFeSi was the dominant phase, accompanied with a small amount of needle-like β-AlFeSi and granular Si. In these Al-Fe-Si alloys, the homogeneous distribution of the intermetallics formed in the interdendritic regions was achieved with the application of the DC magnetic field. However, the intermetallic phases were accumulated towards the sample center with the application of the AC magnetic field. This was attributed to the accumulation of the iron-containing cluster and silicon-containing cluster at the melt center. Furthermore, the amount of Chinese script-like α-AlFeSi was increased remarkably in the former alloy under AC magnetic field, while in the latter alloy, the amount of β-AlFeSi and Si was increased under AC magnetic field.

关键词： Al-Fe-Si alloy DC magnetic field AC magnetic field morphology distribution

Two new xanthones from Lomatogonium carinthiacum

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Chinese Journal of natural Medicines 2014年第9期12卷 693-696页

作者： ba-gen-na CHEN Yu-Lan baderihu TONG Yu-Feng Ye-ri-gui WANG Qing-Hu College of Traditional Mongolian Medicine Inner Mongolia University for Nationalities

AIM: To study the chemical constituents of Lomatogonium carinthiacum(Wulfen) Rchb. METHOD: The CHCl3-soluble fraction was separated by chromatography and the structures of the new compounds were elucidated by spectral experiments. RESULTS: Two new xanthones, 1, 8-dihydroxy-4, 5-dimethoxy-6, 7-methylenedioxyxanthone(1), 1, 4, 8-trimethoxyxanthone-6-O-β-D-glucoronyl-(1→6)O-β-D-glucoside(2) were isolated from the whole plant of Lomatogonium carinthiacum. CONCLUSION: Compounds 1 and 2 are new natural products.

关键词： dihydroxy dimethoxy glucoside elucidated separated methoxyl silica spectroscopic elucidation Gentianaceae

Protective effect and mechanisms of action of Mongolian medicine Sulongga-4 on pyloric ligation-induced gastroduodenal ulcer in rats

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World Journal of Gastroenterology 2021年第16期27卷 1770-1784页

作者： Shan Tong Huan Wang Li-Sha A Ta.na.bai Ju-Hua Gong Wen-Jie Jin Li-Li Dai Gen-na ba Sung-Bo Cho Ming-Hai Fu School of Mongolian Medicine Inner Mongolia University for NationalitiesTongliao 028000Inner Mongolia Autonomous RegionChina Mongolian Medicine Surgery Department Affiliated Hospital of Inner Mongolia University for NationalitiesTongliao 028000Inner Mongolia Autonomous RegionChina Traditional Mongolian Medicine Research Institute Inner Mongolia University for NationalitiesTongliao 028000Inner Mongolia Autonomous RegionChina

baCKGROUND Sulongga-4(SL-4)is a herbal formula used in traditional Mongolian medical clinics for the treatment of peptic ulcers and gastroenteritis,even though its pharmacological mechanism has not been well *** To evaluate the protective effect and identify the mechanisms of action of SL-4 on gastroduodenal ulcer induced by pyloric ligation(PL)in *** PL was performed to induce gastric and duodenal ulcers in rats,which were then treated with oral SL-4(1.3,2.6,or 3.9 g/kg per day)for 15 ***-induced gastroduodenal *** effects were characterized by pathological and histological evaluations and inflammatory indicators were analyzed by enzyme-linked immunosorbent *** analyses were conducted to identify gene expression profiles of gastroduodenal tissue in PL rats with or without SL-4 *** candidate target genes were selected and verified by quantitative reverse transcription polymerase chain reaction(qRT-PCR).RESULTS SL-4 decreased histopathological features in the PL-induced ulcerated ***-4 significantly (P nalysiswas used to identify a panel of candidate target genes for SL-4 acting on PLinducedulceration. Genes included some complement and coagulation cascadeand retinol metabolism pathways that are closely associated with inflammatoryresponses and gastric mucosal protective mechanisms. qRT-PCR showed thataltered expression of the selected genes, such as CYP2b2, UGT2b1, A2m, andMASP1 was consistent with the microarray ***-4 exerts protective effects against PL-induced gastroduodenal ulcers viareducing inflammatory cytokines and elevating expression of gastric acidinhibitory factors. Downregulation of CYP2b2 and UGT2b1 genes in retinolmetabolism and upregulation of A2m and MASP1 ge

关键词： Sulongga-4 Peptic ulcer Pyloric ligation Microarray analysis Inflammatory reaction Retinol metabolism

Significant Polymorphisms of Vitamin D Receptor Gene(rs2189480 and rs3847987) Related to the Risk of Type 2 Diabetes in Henan Rural Area

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Biomedical and Environmental Sciences 2019年第1期32卷 58-62页

作者： HAN Han ZHAO Ming Xu WANG Yan WANG Jun REN Bing nan GE Hui na WANG Teng SUN Bei Bei ba Yue LI Wen Jie Department of Nutrition and Food Hygiene College of Public Health Zhengzhou University Department of Environmental Hygiene College of Public Health Zhengzhou University Department of Epidemiological College of Public Health Zhengzhou University

Type 2 diabetes mellitus (T2DM) accounts for 90% of all diabetes cases and results in severe complications. It is a multifactorial metabolic disorder that results from a combination of resistance to insulin action and an inadequate compensatory insulin secretory response. The interaction between multiple genetic and environmental determinants has been considered to contribute to the pathogenesis of T2DM[1].

关键词： Vitamin D Type 2 diabetes mellitus (T2DM) insulin

Synthesis,Electrical Conductivity and Seebeck Coefficient of La_(0.9)A_(0.1)FeO_3(A=Mg,Ca,Sr,ba)

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Journal of Materials Science & Technology 2010年第12期26卷 1103-1106页

作者： na Yin Hongchao Wang Chunlei Wang School of Physics State Key Laboratory of Crystal Materials Shandong University Jinan 250100 China

Lanthanum ferrites ceramics La0.9A0.1FeO3 （A=Mg, Ca, Sr, ba） have been prepared by solid state reaction. X-ray power diffraction analysis reveals that all samples are of pure perovskite structure with orthorhombic phase. Electrical conductivity and Seebeck coefficient have been measured in vacuum within the temperature range between room temperature and 800℃. The electrical conductivity shows semiconducting behavior. Temperature dependence of electrical conductivity indicates that adiabatic small-polaron hopping mechanism is dominant for their electric transportations. Seebeck coefficients are positive for samples, suggesting ptype conduction in the whole temperature range. The highest Seebeck coefficient is found to be 654 μV/K for La0.9A0.1FeO3. Except La0.9A0.1FeO3, the electrical conductivity of La0.9A0.1FeO3 increases with increasing atomic number of the A-site element, while Seebeck coefficient decreases.

关键词： La0.9A0.1FeO3 ceramics Electrical conductivity Seebeck coefficient

Variation of nutrient fluxes by rainfall redistribution processes in the forest canopy of an urban larch plantation in northeast China

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Journal of Forestry Research 2022年第4期33卷 1259-1269页

作者： Houcai Sheng na Guo Cunyong Ju Tijiu Cai Center for Ecological Research Northeast Forestry UniversityHarbin 150040People’s Republic of China Key Laboratory of Susta.na.le Forest Ecosystem Management-Ministry of Education Northeast Forestry UniversityHarbin 150040People’s Republic of China College of Food Engineering East University of HeilongjiangHarbin 150040People’s Republic of China

Atmospheric deposition(dry and wet deposition)is one of the primary sources of chemical inputs to terrestrial ecosystems and replenishes the nutrient pool in forest *** often acts as a primary transporting agent and solvent;thus,nutrient cycles in forests are closely linked to hydrological *** collected precipitation data during a growing season to explore variations in nutrient cycling and nutrient balances in the rainfall redistribution process(wet deposition)in a larch plantation in northeast *** measured nutrient(NO_(3)^(-),PO_(4)^(3−),Cl^(−),K,Ca.na.and Mg)inputs via bulk precipitation,throughfall and stemfl ow,and used a canopy budget model to estimate nutrient fl uxes via canopy *** results suggest that the average concentrations of the base cation(K,Ca.na.and Mg)showed the following order:stemfl ow>throughfall>bulk *** and stemfl ow chemistry dramatically fl uctuated over the growing season when net fl uxes(throughfall+stemfl ow—bulk precipitation)of NO−3,PO3−4,SO2−4,Cl−,K,Ca.na.and Mg were−6.676 kg·ha^(-1),−1.094 kg·ha^(-1),−2.371 kg·ha^(-1),1.975 kg·ha^(-1),0.470 kg·ha^(-1),−5.202 kg·ha^(-1),−0.336 kg·ha^(-1),and 1.397 kg·ha^(-1),*** results suggest that NO−3,PO3−4,SO2−4,Ca,and na were retained,while Cl−,K,and Mg were washed off by throughfall and stemfl ow.

关键词： Rainfall redistribution Aqueous fluxes Water chemistry Macronutrients input Plantation forest Harbin

重型柴油货车排放因子本地化研究:以辽中南为例

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东北大学学报（自然科学版） 2023年第8期44卷 1119-1127页

作者：李娜高成康巴乔那洪明东北大学冶金学院辽宁沈阳110819 东北大学国家环境保护生态工业重点实验室辽宁沈阳110819

以低温地区典型城市辽中南城市群的重型柴油货车为研究对象,结合辽中南城市群的环境条件、行驶特征等交通信息,通过车载测试方法、指南法和IVE模型建立辽中南城市群本地化的重型柴油货车排放因子数据库.结果显示:重型柴油货车冬季各道... 详细信息

以低温地区典型城市辽中南城市群的重型柴油货车为研究对象,结合辽中南城市群的环境条件、行驶特征等交通信息,通过车载测试方法、指南法和IVE模型建立辽中南城市群本地化的重型柴油货车排放因子数据库.结果显示:重型柴油货车冬季各道路类型上的平均车速均大于夏季,且车流量在市郊路最大,其次是市区路和高速路.重型柴油货车各污染物排放因子随排放标准提高而降低;50%负载时各污染物排放是无负载状态的1.4~5.5倍;冬季各污染物排放是夏季排放的1.31~1.64倍.对于国Ⅲ重型柴油货车,CO,NO_(x)和PM排放因子实测值分别是指南法和IVE模型的0.5~0.8倍和1.1~1.3倍.

关键词：低温区域重型柴油货车车载测试排放因子对比分析本地化

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Synergistically enhancing cycleability and rate performance of sodium titanate nanowire anode via hydrogenation and carbon coating for advanced sodium ion batteries

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Rare Metals 2022年第12期41卷 4075-4085页

作者： De-Liang ba Wei-Hua Zhu Yuan-Yuan Li Jin-Ping Liu School of Optical and Electronic Information Huazhong University of Science and TechnologyWuhan 430074China School of Chemistry Chemical Engineering and Life ScienceState Key Laboratory of Advanced Technology for Materials Synthesis and ProcessingWuhan University of TechnologyWuhan 430070China State Center for International Cooperation on Designer Low-Carbon and Environmental Materials and School of Materials Science and Engineering Zhengzhou UniversityZhengzhou 450001China

Layered alkali-metal titanate materials are considered as attractive anodes for sodium ion batteries due to their favorable safety and low ***,their practical implementation faces major challenges of low electronic conductivity and inevitable volume variation during na^(+)intercalation and de-intercalation,which are generally difficult to conquer by a single modification ***,a synergistic ally enhancing strategy to promote the electrochemical performance of na_(2)Ti_(2)O_(5)nanowire array anode via simultaneous hydrogenation and carbon coating is *** leads to partially reduced titanium;together with conductive carbon layer,it endows na_(2)Ti_(2)O_(5)with fast electron transport and structural *** resulting H-na_(2)Ti_(2)O_(5)@C anode exhibits enhanced rate capability(8.0C,165 mAh·g^(-1))and stable cycle performance up to 1000 times in sodium-ion half-cells(the capacity of H-na_(2)Ti_(2)O_(5)without carbon fades drastically after only 100 cycles).In addition,a newcoupling full cell is further designed with graphene hybridized high-voltage na_(3)(VO_(0.5))_(2)(PO4)_(2)F_(2)as cathode,capable of delivering a high specific energy density of 212.1 Wh·kg^(-1)(based on the mass of both anode and cathode)and good rate and cycling *** work may offer inspiration for synergistic optimization of electrode materials for advanced electrochemical energy storage devices.

关键词： Sodium ion batteries(SIBs) na2Ti2O5 nanowire Hydrogenation Carbon coating Enhanced performance