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一类拟线性椭圆型方程弱解关于区域的稳定性

应用数学 2009年第3期22卷 566-570页

作者：谢素英田欢杭州电子科技大学理学院数学系浙江杭州310018

利用区域的变分,在一定条件下,讨论拟线性椭圆型方程-divA(x,u,Du)=f(x)弱解关于区域的稳定性.

关键词：很弱解弱解稳定性一致p-厚边界 Hausdorff拓扑

应对市场化和行政化挑战,建立现代大学教师管理制度

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复旦教育论坛 2011年第2期9卷 32-34页

作者：谢素蓉厦门大学教育研究院福建厦门361005

大学教师管理制度建设是现代大学制度建设不能回避的重要内容。聘任制和工资制改革都是我国构建现代大学教师管理制度的努力,但面临着行政化和市场化的挑战。调查发现,现行教师管理制度的功利化政策导向对教师工作自主性产生了严重影响... 详细信息

大学教师管理制度建设是现代大学制度建设不能回避的重要内容。聘任制和工资制改革都是我国构建现代大学教师管理制度的努力,但面临着行政化和市场化的挑战。调查发现,现行教师管理制度的功利化政策导向对教师工作自主性产生了严重影响。大学教师管理制度改革需要进一步完善教师评价制度,通过转变管理方式来激发教师的创造力。

关键词：现代大学教师管理制度教师评价制度行政化市场化

Disparity of Vascular KATP Channels Determined the Increased Blood Pressure Variability after Sinoaortic Denervation

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中国药理通讯 2008年第2期25卷 29-30页

作者： Fu-Ming Shen Dong-Jie Li He-Hui xie Ding-Feng su Department of Pharmacology School of PharmacySecond Military Medical UniversityShanghai 200433China

To investigate the role of ATP-sensitive potassium (KATP) channels on blood pressure variability (BPV) in sinoaortic-denervated (SAD) rats。SAD was performed on male Sprague-Dawley rats four weeks before the study。Using real-time quantitive polymerase chain reaction, we found that expression of suR2 from SAD aorta was significantly increased, whereas Kit6.1 was decreased when compared to the sham-operated rats。For mesenteric artery both suR2 and Kit6.1 were reduced markedly。No changes were observed about Kit6.2 between SAD and sham-operated rats for both arteries。Westem blotting and laser confocal immunofluorescence assays Of proteins level were in agreement with the result of mRNA。Concentration-response curves to either adenosine or pinacidil on isolated aorta and mesenteric artery between sham-operated and SAD rats were established。The curves of aorta obtained from the SAD shifted significantly to the left。While the curves of mesenteric artery Of the SAD shifted to the right。Different KATP channels openers and blockers on BPV were studied in conscious SAD rats。Not only pinacidil and diazoxide, but also glibenclamide significantly decreased BPV。Either HMR1098 or 5-HD or combined administration of them did not influence BPV。Pretreatment with the combination of HMR1098 and 5-HD did not modify the effects of the openers on BPV。We concluded that after SAD vascular KATP was disparate, this disparity led to different vasomotor activity to agents acting on KATP channels, which might induce greater fluctuation of vascular resistance and produce increased BPV。Relief of this fluctuation by opening or blocking KATP channels, BPV was reduced。

关键词： KATP通道血管血压 BPV 治疗方法

Mussel-inspired Methacrylic Gelatin-dopamine/Ag Nanoparticles/Graphene Oxide Hydrogels with Improved Adhesive and Antibacterial Properties for Applications as Wound Dressings

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Journal of Wuhan University of Technology(Materials Science) 2024年第2期39卷 512-521页

作者：宿正楠 HU Yanru MENG Lihui OUYANG Zhiyuan LI Wenchao ZHU Fang xie Bin 吴庆知 State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Biomedical Material and Engineering Center of Hubei ProvinceWuhan University of TechnologyWuhan 430070China

A novel strategy was developed to prepare the methacrylic gelatin-dopamine(GelMA-DA)/Ag nanoparticles(NPs)/graphene oxide(GO) composite hydrogels with good biocompatibility,mechanical properties,and antibacterial ***-inspired DA was utilized to modify the GelMA molecules,which imparts good adhesive performance to the ***,interfacial enhancer,not only improves mechanical properties of the hydrogels,but also provides anchor sites for loading Ag NPs through numerous oxygencontaining functional groups on the *** experimental results show that the GelMA/Ag NPs/GO hydrogels have good biocompatibility,and exhibit a swelling rate of 202±16%,the lap shear strength of 147±17 kPa,and compressive modulus of 136±53 kPa,in the case of the Ag NPs/GO content of 2 mg/*** activity of the hydrogels against both gram-negative and gram-positive bacteria is dependent on the Ag NPs/GO content derived from the release of Ag^(+).Furthermore,the GelMA/Ag NPs/GO hydrogels possess good adhesive ability,which is resistant to highly twisted state when stuck on the surface of *** results demonstrate promising potential of the GelMA-DA/Ag NPs/GO hydrogels as wound dressings for biomedical applications in clinical and emergent treatment.

关键词： GelMA dopamine,graphene oxide adhesion antibacterial ability

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基于显式有限元的薄壁结构吸能特性预测

振动与冲击 2010年第5期29卷 183-186页

作者：谢素超田红旗周辉中南大学交通运输工程学院轨道交通安全教育部重点实验室长沙410075

为了探讨轴向载荷冲击作用下试验参数对薄壁结构吸能特性的影响规律,预测和分析某一类型的薄壁结构吸能特性,基于显式有限元技术建立了这一类型薄壁结构的BP人工神经网络吸能特性预测模型。以方形薄壁结构为例,通过改变结构质量、冲击... 详细信息

为了探讨轴向载荷冲击作用下试验参数对薄壁结构吸能特性的影响规律,预测和分析某一类型的薄壁结构吸能特性,基于显式有限元技术建立了这一类型薄壁结构的BP人工神经网络吸能特性预测模型。以方形薄壁结构为例,通过改变结构质量、冲击速度、横截面尺寸、壁厚等影响结构吸能特性的因素对这一类型的薄壁结构进行了大量的数值试验,获得不同试验条件下的结构吸能特性参数,然后建立了这一类型薄壁结构的吸能特性预测模型,并进行自主训练学习,当训练步数为2035时,网络模型达到误差要求。结果表明:该BP神经网络模型的输出样本与目标值十分接近,比吸能误差值为-2.53%,有效撞击力误差值为4.67%,有效撞击行程误差值为-3.90%,说明该模型具有较好的精度。

关键词：薄壁结构显式有限元 BP神经网络吸能特性预测

Administration of bone marrow-derived stem cells suppresses cellular necrosis and apoptosis induced by reperfusion of ischaemic kidneys in rats

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Chinese Medical Journal 2008年第3期121卷 268-271页

作者： WANG Yang HU Feng WANG Zhi-jian WANG Gong-xian ZHANG Zhong-hua xie Ping CUI su-ping Insdtute of Urology First Affiliated Hospital NanchangUniversity Nanchang Jiangxi 330006 China

Ischaemic reperfusion injury （IRI） is a crucial element in the pathogenesis of acute ischaemic renal failure and influences the early functional recovery and even long term survival of a transplanted kidney. It is generally thought that renal repair following IRI requires the replacement or regeneration of renal tubular epithelial cells that are detached or damaged.1＇2 Recently, it has been reported that intravenously infused adult bone marrow-derived stem cells （BMSCs） are able to migrate to injured kidney tissue and differentiate into renal cells, potentially improving renal function.3＇4 Nevertheless, the mechanisms by which bone marrow derived, stem cells promote the repair of injured kidney tissue have not been completely elucidated by animal studies.

关键词： bone marrow manonuclear cells apoptosis necrosis renal ischaemic injury

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海外中国共产党青年工作研究综述

中国青年社会科学 2022年第1期41卷 44-51页

作者：谢素军谢碧霞广州市穗港澳青少年研究所研究中心广东广州510635

海外中国共产党青年工作研究是一个小众领域,其从简单的青年运动观察逐渐上升到对中国共产党全球战略的思考。自1921年中国共产党建党以来,海外中国共产党青年工作研究历经媒介观察、学界评价和政界热议三大阶段,每个阶段所关注青年工... 详细信息

海外中国共产党青年工作研究是一个小众领域,其从简单的青年运动观察逐渐上升到对中国共产党全球战略的思考。自1921年中国共产党建党以来,海外中国共产党青年工作研究历经媒介观察、学界评价和政界热议三大阶段,每个阶段所关注青年工作的视角和内容皆有不同。尽管海外中国共产党青年工作的研究具有明显的零散性和附属性,但总体而言仍然聚焦中国共产党与青年的关系、中国共产党的青年政策、中国共产党的青年教育以及中国共产党的青年服务四个方面。但是,这些研究和评价多以西方价值体系为评判标准,建立在自身利益基础之上,有脱离实证调研的趋势,且热衷于关注中国青年发展中的极端个例问题。

关键词：中国共产党青年工作海外学界

Hydroxylated metal–organic-layer nanocages anchoring single atomic cobalt sites for robust photocatalytic CO_(2) reduction

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Nano Research 2024年第4期17卷 2410-2419页

作者： Weiyi Pan Zhihe Wei Yanhui su Yuebin Lian Zhangyi Zheng Huihong Yuan Yongze Qin Xulan xie Qianqian Bai Zhenyang Jiao Wei Hua Jinzhou Chen Wenjun Yang Zhao Deng Yang Peng Soochow Institute for Energy and Materials Innovations College of EnergySoochow UniversitySuzhou 215006China Key Laboratory of Advanced Carbon Materials and Wearable Energy Technologies of Jiangsu Province Soochow UniversitySuzhou 215006China School of Photoelectric Engineering Changzhou institute of technologyChangzhou 213032China Jiangsu Key Laboratory for Advanced Negative Carbon Technologies Soochow UniversitySuzhou 215123China

Assembly of two-dimensional(2D)metal–organic layers(MOLs)based on the hard and soft acid–base theorem represents an exquisite strategy for the construction of photocatalytic platforms in virtue of the highly exposed active sites,much improved mass transport,and greatly elevated ***,nanocages composed of MOLs are produced for the first time through a cosolvent approach utilizing zirconium-based UiO-66-(OH)2 as the structural *** endow the catalytic activity for CO_(2) conversion,single atomic Co^(2+)sites are appended to the Zr-oxo nodes of the MOL cages,demonstrating a remarkable CO yield of 7.74 mmol·g^(-1)·h^(-1) and operational stability of 97.1%product retention after five repeated *** an outstanding photocatalytic performance is mainly attributed to the unique nanocage morphology comprising enormous 2D nanosheets for augmented Co^(2+)exposure and the abundant surface hydroxyl groups for local CO_(2) *** work underlines the tailoring of both metal–organic framework(MOF)morphology and functionality to boost the turnover rate of photocatalytic CO_(2) reduction reaction(CO_(2)RR).

关键词： photocatalytic CO_(2) reduction metal–organic layer nanocage single-atom catalyst co-catalyst

Zernike多项式拟合曲面中拟合精度与采样点数目研究

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应用光学 2010年第6期31卷 943-949页

作者：谢苏隆中国空间技术研究院西安分院人力资源部陕西西安710000

为了研究采样点数目对由Zernike多项式所拟合的曲面的拟合精度的影响,采用不完全归纳法,取得了采样点与拟合精度之间的数据关系。结果表明:不同的测试函数遵循相同的规律,即采样点数目达到一定数目后,拟合精度随采样点的变化很小。并且... 详细信息

为了研究采样点数目对由Zernike多项式所拟合的曲面的拟合精度的影响,采用不完全归纳法,取得了采样点与拟合精度之间的数据关系。结果表明:不同的测试函数遵循相同的规律,即采样点数目达到一定数目后,拟合精度随采样点的变化很小。并且,通过计算得到了在较高拟合精度时,采样点数目与Zernike多项式的项数之间的变化规律,实际例子证明了该变化规律的正确性,其对于Zernike多项式拟合曲面具有很好的指导意义。

关键词：采样点 Zernike多项式曲面拟合不完全归纳法