|
Abstract: Objective：To evaluate the value of antibiotic prophylaxis in cholecys tectomy.
|
|
|
文摘:目的：探讨胆囊切除术预防性应用抗生素的价值。 |
|
Abstract: Objective：To illustrate the value of digital subtractiondacryocystography in the diagnosis of lacrimal duct obstruction.
|
|
|
文摘:目的：评价数字减影泪道造影术在临床检查泪道阻塞中的应用价值。 |
|
Abstract: Objectiye: To explore the causes,locations and effective treatment of nosebleed.
|
|
|
文摘:目的：探讨鼻出血的原因、部位及有效治疗方法。 |
|
Abstract: Olympic green is so important in the Beijing 2008 Olympic that it will take more than half of the sports building construction.
|
|
|
摘要:奥林匹克公园荟萃了50%以上的奥运场馆，是北京市2008年奥运会的核心地区。 |
|
Abstract: On Problems in Animal Husbandry Industry of China, Contraries Problems, According to Theory of System Science and Ecology, Exploring Strategy of Intercede and Control.
|
|
|
文摘:论述了我国目前畜牧业产业化发展中存在的几个主要问题，针对问题，依据系统科学和生态学原理探讨了宏观调控方略。参4。 |
|
Abstract: On analysis of Alvar Alto′s ways of displaying nature theme,his creative approaches such as the integration with natural surroundings and the experession of localized and humanized ar chitecture are revealed,which may be used for reference when
|
|
|
文摘:通过对阿尔瓦·阿尔托表现自然主题的几种方法的分析，揭示其结合自然环境，表达建筑地方化与人情化的创作手法，寻求当前在全球化形势下对我国建筑地方化创作的借鉴意义. |
|
Abstract: On basis of the early work ［1］,the computation,design and construction of the compacting dies for metal powder billet have been described.An example for above-mentioned computation,design and construction has been given.
|
|
|
文摘:在文献［1］的基础上，叙述并归纳了金属粉末钢模压制成形坯及相应的压制模具结构的设计与计算方法、内容和步骤；并介绍了一典型粉末件的设计计算结果。 |
|
Abstract: On the Loess Plateau,water is the main limiting factors for vegetation growth.Root distribution characters have special ecological meaning as it reflected the utilizations of trees to the environments.Even-aged stands of Robinia pseudoacacia on
|
|
|
文摘:在中国西北黄土高原地区,水分是树木生长发育的主要限制因子.根系分布特征由于反映了树木对环境条件的利用程度而具有更加特殊的生态意义.本研究选择阳坡和阴坡不同立地上年龄一致的刺槐林调查了根系分布特征.根系垂直分布特征的调查结果表明,在所有立地上,根系生物量随着深度的增加而降低,其中细根的分布深度大于粗根的分布深度.方差分析结果表明:不同立地上不同径级根系的分布特征也有明显的差别,粗根是差异存在的主要原因,阴坡立地上的根系生物量,特别是细根生物量大于阳坡立地上的.对根系消弱系数的分析结果表明,阴坡立地上的 |
|
Abstract: On the base of extensive field investigation of man-made debris flow in Shenfu-Dongsheng minesite, and according to its characteristics and processes, the system controlling model were respectively summarized up with theory of many levels contro
|
|
|
文摘:在神府―东胜矿区人为泥石流沟道广泛野外调查的基础上，根据人为泥石流的特点及其发生发展过程的动态机理，应用多层次系统控制原理，分别提出了现有人为泥石流及潜在人为泥石流系统防治模式，总结出神府―东胜矿区人为泥石流系统防治的特殊性。 |
|
Abstract: On the base of the analysis of kinematics and dynamics f or i ntroduced some types of cone crushers,this paper constructs the dynamics models with the fin ite element method on the main components of the cone crushers,such as main shaf t, moving
|
|
|
文摘:在对引进的某型圆锥破碎机的运动学及动力学分析的基础上，建立了该破碎机主要部件主轴、动锥及偏心轴套的有限元分析模型.根据载荷特点，简化并计算了外载荷.应用ANSYS软件，选用精度较高的三维块单元，对其进行了有限元分析，得出了具有参考价值的计算结果. |
|
Abstract: On the basic assumption of WENCAL,using pre-param eter method,the equation calculating multi-element beam of different section and ela sticity modulus on different groundsill are given in this paper.The programming language is QBASIC.The results
|
|
|
文摘:依据文克尔基本假定，利用初参数法推导出不同地基及不同地基梁截面弹性模量的多单元弹性地基梁计算公式，并用已编制的QBASIC语言计算程序，通过实例计算，结果正确、合理. |
