磁铁片治疗耳廓假性囊肿的疗效观察

目的：探讨治疗耳廓假性囊肿的方法。方法：回顾性分析35例耳廓假性囊肿抽液后磁铁片加压治疗的疗效。结果：直径小于2cm的耳廓假性囊肿1至2个疗程治愈。直径大于2cm的耳廓假性囊肿2至3个疗程治愈，一疗程治愈率为49％，二疗程治愈率为83％，三疗程治愈率为100％。结论：磁铁片治疗耳廓假性囊肿简单易行，疗效可靠。     

蛇骨骼肌纤维型及运动终板的研究：4—Di—2—ASP荧光染色及计算机图像分析

用４－Ｄｉ－２－ＡＳＰ活性荧光染料染蛇腹横肌，清晰地显示三种肌纤维型及其运动终板，用ＨＰＳｃａｎＪｅｔ扫描仪对上述彩照进行高分辨扫描，得到良好的计算机数字图像，借助对相应参数的精确测定与分析，实现对形态学的直观定量表达     

Nonlinear dynamic buckling of stiffened plates under in-plane impact load

INTRODUCTION Dynamic buckling of structures under impactloading has become a research hotspot and hasreceived increasing attention in the last decade fromdesigners of modern engineering structures. Mostpast investigations focused on simple structuressuch as columns, plates and cylindrical shells; pa-pers dealing with stiffened plate structures withwide application in engineering are limited. Zizicas (1952) investigated the dynamic buckl-ing of thin elastic plates. A theoretical solution f…     

Static load test and load transfer mechanism study of squeezed branch and plate pile in collapsible loess foundation

As a special geological phenomenon, the character of collapsible loess foundation is collapsible when penetrated by water. This character leads to the soil losing load bearing capacity largely and may lead to foundation failure. Pile is a popular foundation used in collapsible loess. The squeezed branch and plate pile is a new type of pile developed in recent years and has not be used in a project before. In this paper three squeezed branch and plate piles are tested in collapsible loess after immersion processing. The results may be used for reference in similar construction project, and to provide theoretical references for de- signing of the squeezed branch and plate piles in engineering practice.     

指导教学的是什么

指导教学的是什么?这是个尚未言及的问题。人们往往认为指导教学的是教学论,而教学论的唯一哲学基础又是认识论的,这种流俗的观点有着浓厚的唯理性色彩。指导教学的是思,思的性质是“揭示”,按事物以其所是和如何是的方式去揭示事物。生活世界既是一个存在着规律的世界,又是一个富有诗意的世界,只有涵盖了理性和诗性这两种迥然不同的揭示方式之思,才能与生活世界相对应。只有把捉住这思,关于“指导教学的是什么”的问题,才算真正言及了。     

中板在铁路运输中窜出事故分析

本文通过对《铁路货物装载加固定型方案》所装中板在运输途中窜出事故现场进行测量和分析,从车辆运行的振动形态、中板上的作用力以及中板的紧急制动状态诸方面对窜出事故因素进行了探讨。并提出了防止事故发生的装载改进措施。     

Left-handed materials in magnetized metallic magnetic thin films

INTRODUCTION Veselago (1968) showed that if both the permit- tivity ε and the magnetic permeability μ of a material are negative, the propagation direction of an elec- tromagnetic (EM) wave will be opposite to its energy flow direction. Such media are called left-handed materials (LHMs) since the electric field E, magnetic field H, and wave vector k in these media form a left-hand triplet of vectors, instead of a right-hand triplet observed in conventional materials. For a long time, …     

《政治自由主义》以后的罗尔斯

目前国内在罗尔斯的研究仍停留在地《正义论》和《政治自由主义》，而对他在《政治自由主义》出版以后的活动和思想的介绍研究仍是一个空白，据此本首先介绍了罗尔斯在这个时期的述和社会活动，然后从其新近出版的《人民法》提炼出他的弱势国家观和现实乌托邦思想的精华－－人民法原则。     

弹性地基上四边自由矩形大挠度薄板复杂运动研究

考虑具有粘滞阻尼的Winkler地基上四边自由受简谐激励的矩形板的偏微分方程组,找到了满足所有边界条件的近似挠度函数,利用Galerkin方法把偏微分方程表示的非线性动力学方程转化为用常微分方程表示的非线性动力学方程。应用多尺度法求得了系统的主共振解,并对主共振解的静态分岔方程进行了奇异性分析。应用Floquet理论和Melnikov方法分析了系统的全局特性。     

Pure bending of simply supported circular plate of transversely isotropic functionally graded material

INTRODUCTION In recent years, functionally graded materials (FGMs) have attracted more and more attention. Due to their continuously varying material properties in space on the macroscopic scale, FGMs, therefore, are usually superior to conventional fiber-matrix materi-als in mechanical behavior, especially for perform-ance under thermal loading. Now FGMs have been widely used in various fields including electronics, chemistry, optics, biomedicine, etc. Heretofore, volumes of literatu…