“肺肠合治法”治疗急性胰腺炎探微

急性胰腺炎属中医脾心痛、胃心痛、结胸等范畴,基本病机为气机郁滞、毒瘀互结,通腑泄下法是中医治疗本病的常用方法之一。本病的发生发展与肺、肠关系密切,故可从肺、肠论治。"肺肠合治法"能加强一身气机调畅,增强各脏腑功能的协同性,与通腑泄下法相契合,以其治疗本病具有一定的理论基础。现代医学对胰腺、肺、肠中炎症因子、P物质、胆囊收缩素的研究则为探讨"肺肠合治法"治疗急性胰腺炎的物质基础提供了思路。     

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??Oral implant-related infection has already become an important factor affecting implant osseointegration so far. In order to decrease the incidence of infection??implant surface modification coating with antibacterial properties has been researched intensely in recent years. In this paper??classification of different implant surface antimicrobial coating and research status both in the antibacterial mechanism and clinical applications of various types were reviewed.     

Heat Conduction in a Functionally Graded Plate Subjected to Finite Cooling/Heating Rates: An Asymptotic Solution

This work investigates transient heat conduction in a functionally graded plate (FGM plate) subjected to gradual cooling/heating at its boundaries. The thermal properties of the FGM are assumed to be continuous and piecewise differentiable functions of the coordinate in the plate thickness direction. A linear ramp function describes the cooling/heating rates at the plate boundaries. A multi-layered material model and Laplace transform are employed to obtain the transformed temperatures at the interfaces between the layers. An asymptotic analysis and an integration technique are then used to obtain a closed form asymptotic solution of the temperature field in the FGM plate for short times. The thermal stress intensity factor (TSIF) for an edge crack in the FGM plate calculated based on the asymptotic temperature solution shows that the asymptotic solution can capture the peak TSIFs under the finite cooling rate conditions.     

基于iBooksAuthor的电子教材研究

介绍了以微课程理念和贯通式学习思想为指导，基于iBooksAuthor制作电子教材的设计思想、设计过程及设计中需要注意的问题，同时分析了影响此类电子教材普及的因素。     

Effect of blending tricalcium phosphate on hydrolytic degradation of a block polyester containing poly(L-lactic acid) segment

The effect of blending tricalcium phosphate (TCP) on hydrolytic degradation of a new type of poly(L-lactic acid)/poly(ethylene;hexamethylene/ sebacate) block polyester (60 : 40 wt%) was studied. 100- and 250-μm film specimens blended with 0, 10, and 30 wt% TCP were immersed in phosphate buffered saline (pH 7.4) at 37°C for up to 80-104 weeks. At appropriate intervals, water absorption, dry and wet tensile strength, molecular weight, and thermal properties of the specimens were measured by weighing, tensile strength testing, size exclusion chromatography, and differential scanning calorimetry, respectively. Some samples were characterized by H NMR spectroscopy. Blending of TCP with the block polyester was effective in retarding degradation. The blended TCP was thought to retard degradation for the most part by neutralizing the lactic acid oligomers produced by hydrolysis of the poly(lactic acid) part during the initial stage of degradation.     

Effect of Elemental Powder Size on Foaming Behavior of NiTi Alloy Made by Combustion Synthesis

Nickel titanium (NiTi) foams were made by combustion synthesis of powders with the help of ZrH₂ as foaming agent and TiB₂ as endothermic agent. In this paper, we investigated the effect of elemental powder size on the foaming. The powder size of Ni and Ti affected the ignition temperature of the combustion reaction, cell morphology and microstructure of the foams. The cell morphology of the foams was also modified by the powder size of TiB₂.     

两种健康教育平面材料的效果评价

目的调查并评价健康教育平面材料的宣传效果,为今后改进设计制作提供依据。方法根据健康教育专家田本淳教授提供的健康教育媒体评价方法,对平面材料的8个指标进行调查,数据经统计分析后,得到对平面材料的评价依据。结果《母子平安》小折页和《母子健康合家幸福》宣传画的最后得分分别是67.20分和54.87分。结论两种健康宣传材料在信息传递和材料制作方面尚存在不足。今后在设计制作平面材料过程中,要注意信息的通俗性、简明性、生动性以及材质质量。