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形成性评价在口腔医学理论教学中的实践与反思

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黑龙江高教研究 2025年第1期43卷 60-65页

作者：郭若兰林思宇林江首都医科大学附属北京同仁医院北京100730

目的:利用形成性评价对学生的教学评价进行改进,对口腔医学理论的教学方法进行修正,以期望提升临床教学的效果。方法:实验对象为某医科大学临床医学专业学生(包括五年制和5+3一体化两种学制),通过是否参与形成性评价教学分为对照组和实... 详细信息

目的:利用形成性评价对学生的教学评价进行改进,对口腔医学理论的教学方法进行修正,以期望提升临床教学的效果。方法:实验对象为某医科大学临床医学专业学生(包括五年制和5+3一体化两种学制),通过是否参与形成性评价教学分为对照组和实验组。对照组采用传统教学模式,主要利用教师课堂授课;实验组利用形成性评价改进教学模式,不断对学生的学习情况进行反馈和改进,最终通过期末考试定量评价对比学生的学习效果。结果:在两种学制中,实验组学生均比同学制对照组学生期末成绩有所提高,且差异具有统计学意义(P<0.05)。结论:通过形成性评价改进教学模式,能促进学生自主学习,提高学生综合学习的能力,提升学习效果。

关键词：形成性评价口腔医学教学方法

A PROJECTION-TYPE METHOD FOR SOLVING VARIOUS WEBER PROBLEMS

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Journal of Computational Mathematics 2006年第4期24卷 527-538页

作者： Jian-lin jiang Bo Chen Department of Mathematics Nanjing University Nanjing 210093 China

This paper investigates various Weber problems including unconstrained Weber problems and constrained Weber problems under l1, l2 and l∞-norms. First with a transformation technique various Weber problems are turned into a class of monotone linear variational inequalities. By exploiting the favorable structure of these variational inequalities, we present a new projection-type method for them. Compared with some other projection-type methods which can solve monotone linear variational inequality, this new projection-type method is simple in numerical implementations and more efficient for solving this class of problems; Compared with some popular methods for solving unconstrained Weber problem and constrained Weber problem, a singularity would not happen in this new method and it is more reliable by using this new method to solve various Weber problems.

关键词： linear variational inequality Various Weber problems Projection-type method Slack technique.

Serum inter-cellular adhesion molecule 1 is an early marker of diagnosis and prediction of severe acute pancreatitis

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World Journal of Gastroenterology 2012年第20期18卷 2554-2560页

作者： Hai-Hang Zhu lin-lin jiang Department of Gastroenterology Northern Jiangsu HospitalCollege of Clinical Medical MedicineYangzhou UniversityYangzhou 225001Jiangsu ProvinceChina

AIM:To determine if serum inter-cellular adhesion molecule 1(ICAM-1)is an early marker of the diagnosis and prediction of severe acute pancreatitis(SAP) within 24 h of onset of pain,and to compare the sensitivity,specificity and prognostic value of this test with those of acute physiology and chronic health evaluation(APACHE)Ⅱscore and interleukin-6(IL-6). METHODS:Patients with acute pancreatitis(AP)were divided into two groups according to the Ranson's criteria:mild acute pancreatitis(MAP)group and SAP *** ICAM-1,APACHEⅡand IL-6 levels were detected in all the *** sensitivity,specificity and prognostic value of the ICAM-1,APACHEⅡscore and IL-6 were evaluated. RESULTS:The ICAM-1 level in 36 patients with SAP within 24 h of onset of pain was increased and was significantly higher than that in the 50 patients with MAP and the 15 healthy volunteers(Plinical *** is an early marker of diagnosis and prediction of SAP within the first 24 h after onset of pain or on *** it has a relatively low NPV and does not allow it to be a stand-alone test for the diagnosis of AP,other conventional diagnostic tests are required.

关键词： Intercellular adhesion molecule-1 Severe acute pancreatitis Early prediction

Higher-order smooth positons and breather positons of Sine-Gordon equation

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Communications in Theoretical Physics 2022年第8期74卷 51-55页

作者： lin jiang Biao Li School of Mathematics and Statistics Ningbo UniversityNingbo 315211China

According to the N-soliton solution derived from Hirota's bilinear method,higher-order smooth positons and breather positons are obtained efficiently through an ingenious limit *** paper takes the Sine-Gordon equation as an example to introduce how to utilize this technique to generate these higher-order smooth positons and breather positons in *** dynamical behaviors of smooth positons and breather positons are presented by some *** the procedure of deduction,the approach mentioned has the strengths of concision and *** terms of feasibility and practicability,this approach can be exploited widely to study higherorder smooth positons and breather positons of other integrable systems.

关键词： Hirota's bilinear method smooth positons breather positons

Optimal Design of Co/In/Cu Sputtering Target Assembly Using Finite Element Method and Taguchi Method

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Acta Metallurgica Sinica(English Letters) 2019年第11期32卷 1407-1414页

作者： lin jiang Liang Zhang Zhi-Quan Liu Institute of Metal Research Chinese Academy of SciencesShenyang 110016China School of Materials Science and Engineering University of Science and Technology of ChinaShenyang 11016China School of Mechatronic Engineering Jiangsu Normal UniversityXuzhou 221116China

Target assembly is a key consumable material for producing thin fi lm used in the electronic packaging and devices. The residual stresses induced during the process of soldering are detrimental to the performance of target assembly. In this work, the intensity and distribution of the soldering residual stress of Co/In/Cu target assembly subjected to a 20 W/(m^2 K) cooling condition corresponding to the actual air cooling process were studied, based on fi nite element simulation and Taguchi method, to optimize the sputtering target assembly. Effects of different control factors, including solder material, thickness of solder layer, target and backing plate, on the soldering residual stress of target assembly are investigated. The maximum residual stress is calculated as 9.28 MPa in the target located at 0.16 mm from target–solder layer interface and at a distance of 0.78 mm from symmetry axis. The optimal design in target assembly has the combination of indium solder material, cobalt target at 12 mm thick, solder layer at 0.8 mm thick, copper backing plate at 15 mm thick. Moreover, solder material is the most important factor among control factors in the target assembly.

关键词： Co target assembly Solder Residual stress Simulation Taguchi method Optimal design

Towards a trait-based quantification of species niche

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Journal of Plant Ecology 2009年第2期2卷 87-93页

作者： Cyrille Violle lin jiang School of Biology Georgia Institute of Technology310 Ferst DriveAtlantaGA 30332USA

Aims Although the niche concept is of prime importance in ecology,the quantification of plant species’niches remains *** we propose that plant functional traits,as determinants of species performance,may be useful tools for quantifying species niche parameters over environmental *** findings Under this framework,the mean trait values of a species determine its niche position along gradients,and intraspecific trait variability determines its niche *** trait-based approach can provide an operational assessment of niche for a potentially large number of species,making it possible to understand and predict species niche shifts under environmental *** further advocate a promising method that recently appeared in the literature,which partitions trait diversity into among-and within-community components as a way to quantify the species niche in units of traits instead of environmental *** approach allows the switch of the focus from ecological niches to trait niches,facilitating the examination of species coexistence along undefined environmental ***,the trait-based approach provides a promising toolkit for quantifying the species ecological niche and for understanding the evolution of species niche and traits.

关键词： functional diversity plant functional traits niche breadth niche position trait niche

A design of Nafion-coated bilayered quasi-solid electrolyte for lithium-O_(2) batteries with high performance

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Chinese Journal of Chemical Engineering 2021年第6期34卷 208-216页

作者： Yingfei Hou lin jiang Yaoyao Zhang Zhiwen Qin Chi jiang Ming Wang State Key Laboratory of Heavy Oil Processing China University of Petroleum(East China)Qingdao 266580China

Lithium-air(also known as lithium-oxygen)batteries have attracted considerable global attention in recent years due to their extremely high energy density(11,140 W·h·kg^(-1)).The electrolyte is a key element in lithium-air batteries and the traditional organic electrolyte has great safety risk due to *** the contrary,the polymer electrolyte has the advantages of high safety,high stability and easy processing comparing with the organic liquid *** this paper,a new idea was proposed to coat the Nafion membrane on a layer of polymer for blocking the oxidation reduction electric(RM)and Li based on the selective permeability on lithium ion of the Nafion ***-made thicknesscontrollable Nafion membrane,polyvinylidene fluoride-hexafluoropropylene copolymer(PVDF-HFP)and 2,2,6,6-tetramethylpiperidinooxy(TEMPO)were used to prepare a quasi solid polymer electrolyte(NSPE).Electrochemical workstation and LAND battery testing system were used to perform a galvanostatic charge/discharge test on Li-O_(2).The ionic conductivity of NSPE was 4.3×10^(-4)S·cm^(-1)at room temperature and the discharge platform was 2.6 V and the charging voltage was 3.7 V after 50 cycles with the cut-off capacity of 500 mA·h·g^(-1).

关键词： Lithium-air battery Polymer electrolyte Redox mediator P(VDF-HFP) Nafion

Heat transfer and flow structure of two-dimensional thermal convection over ratchet surfaces

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Journal of Hydrodynamics 2021年第5期33卷 970-978页

作者： Cheng Wang lin-feng jiang He-chuan jiang Chao Sun Shuang Liu Center for Combustion Energy Key Laboratory for Thermal Science and Power Engineering of Ministry of EducationDepartment of Energy and Power EngineeringTsinghua UniversityBeijing 100084China Department of Engineering Mechanics School of Aerospace EngineeringTsinghua UniversityBeijing 100084China Yau Mathematical Sciences Center Tsinghua UniversityBeijing 100084China

This paper presents a numerical study of the Rayleigh-Benard convection(RBC)in two-dimensional cells with asymmetric(ratchet)roughness distributed on the top and bottom *** consider two aspect ratios of roughness y=1,... 详细信息

关键词： Turbulent convection ratchet roughness heat transfer flow structure

Process analysis and mitigation strategies for wetland degradation caused by increasing agricultural water demand:an ecology-economy nexus perspective

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Ecological Processes 2023年第1期12卷 560-572页

作者： lin jiang Hui Wang Saige Wang Wen Zhang Institute of Environment and Ecology Shandong Normal UniversityNo.1 Daxue RoadJi’nan 250358ShandongChina School of Environment Beijing Normal UniversityBeijing 100875China

Background Farmland expansion has played a major role in wetland degradation in Heilongjiang Province,China in recent *** expansion increases the demands for water,thereby affecting wetland water cycles,and promoting the shrinkage of wetland areas and degradation of ecosystem *** an open system,agricultural production is limited by both ecological and socioeconomic ***,our understanding of wetland degradation caused by farmland expansion from the perspective of the ecology-economy nexus is *** A correlation between farmland expansion and agricultural economic activities was established,and wetland degradation driven by agroeconomic activities was inversely derived using a multi-regional input-output(MRIO)*** developed an ecology-economy nexus framework to explore the ecological process of the area and water demand tradeoffs between wetland degradation and farmland expansion,the economic process of wetland degradation driven by food consumption,and the nexus between the two *** finally explored strategies to mitigate wetland degradation due to increased agricultural water *** Farmland expansion contributed to 93.76%of the total degraded wetland *** was a significant negative correlation between wetland area and the water consumption for crop production,but no significant correlation between wetland area and the ecological footprint of *** direct wetland degradation caused by local final demand accounted for 63.02%,while the indirect degradation caused by non-local final demand accounted for 36.98%.Hebei,Shandong,Liaoning,Inner Mongolia,and Shanghai were the top five provinces contributing to indirect wetland degradation in *** findings indicated that a mixed scenario combining water footprint reduction per unit yield with food export reduction could maximize wetland restoration while reducing local farmland-wetland competition for *** Our research

关键词： Agricultural economic activities Farmland expansion Water footprint Wetland degradation Wetland restoration

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