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2Combined design data of rapid-fire guns,the machine structure have beenabstracted reasonable computation model of reduction.The equations thatdescribe relative motion and relative force about between moveable elements havebeen deduced.

2根据某型自动火炮的设计资料并进行合理的简化将具体的机械结构抽象成合理的计算模型，推导出描述自动机可动部件之间相互作用及相对运动的具体表达式。

MACR and MVK continued to react with ozone to form MG and other products and disappeared finally under the experimental conditions, so their yields relative to isoprene conversion were variable along the reaction time, with the maximum yields observed as 0.33±0.02 for MACR and 0.21±0.02 for MVK respectively. MG, HCHO, HCOOH, CO and CO2 are inactive to ozone, and their final yields relative to isoprene conversion were 0.48±0.03, 0.87±0.03, 0.49±0.03, 0.60±0.03 and 0.65±0.10, respectively.

由於MACR和MVK继续与O3反应直至完全，它们的产率随时间而变化，反应过程中观测到的最大产率分别为0.33±0.02和0.21±0.02；而MG，HCHO，HCOOH，CO和CO2不与O3发生反应，最终产率分别为0.48±0.03，0.87±0.03，0.49±0.03，0.60±0.03和0.65±0.10。

The electromagnetic loss property was studied by the relative dielectric constant and relative magnetic permeability of the ferrites.

并测试样品的相对介电常数和相对磁导率，研究了它们的电磁损耗特性。

At the same time, the system integrates the theories ofKBE, sufficiently utilizing correlative relative knowledge design and expertexperiences in relative fields and using CATIA V5 standard interface, thesystem is good of man-computer interaction and can be used conveniently. Thissystem basically comes to realization of intelligence, increases work efficiencyin car body layout design and is very practical.

在编制过程中结合"基于知识的工程"思想，使各个模块充分利用相关设计知识和相关领域专家经验，采用CATIA V5标准界面，利用二次开发实现专用的工具条和图标，具有很强的人机对话能力，操作使用方便，初步实现了轿车车门布置系统的智能化，提高了轿车车身布置设计的工作效率，具有很强的实践性。

The obtained maximum relative standard deviation was 5.89%, and relative errors were -20.99%-15%.

实验结果表明，测量结果的相对标准偏差最大为5.89%，相对误差在-20.99%～15%范围内，说明对铝合金样品成分进行定量分析，激光诱导击穿光谱是一种有效的光谱分析工具，但是分析结果的准确度仍需要提高。

The model description language and relative technologies and theories on dynamics modeling of mechanical system based on the language are studies in this paper, and relative functions are fulfilled in InteDyna.

本文在国家八六三计划(2004AA411010)与国家科技攻关计划(2004BA201A85)的资助下，开发多体动力学仿真分析平台——InteDyna，深入研究了模型描述语言和基于模型描述语言的机械系统动力学建模的技术与理论，并在InteDyna系统中实现了相应的功能，为复杂机械产品的建模分析提供方便。

The low-temperature peak corresponds to the minimum of relative dynamic modulus and is attributed to elastic modulus softening effect caused by the anelastic motion of the phase interface. The high-temperature peak corresponds to the inflexion point of relative dynamic modulus and the volume change produced by the normal motion of the phase interface is responsible for the peak.

低温内耗峰对应于相对动力学模量曲线最小值，是相界面切向滞弹性运动引起的模量软化所致；高温内耗峰对应于相对动力学模量曲线拐点，是相界面法向运动引起的体积变化所致。

An injection mechanism for an injection molding machine, including a front plate carrying an injection cylinder; a guide rod arranged fixedly relative to the front plate and having a longitudinal guiding axis; a movable plate arranged movably relative to the front plate along the guiding axis and carrying an injection screw; and a rear plate arranged at a location opposite to the front plate with the movable plate disposed therebetween.

一用于注射成型机的注射机构，包括：一支承压射缸的前板；一相对于所述前板固定布置并限定出一纵向导轴的导杆；一沿所述导轴相对于前板可动布置并支承注射螺杆的可动板；一布置在与所述前板相对位置上的后板，可动板布置在它们之间。

Through analyses of the field tracer migration test results of tritium in unsaturated loess located in semi arid area, it is found that the longitudinal concentration distributions of 3H are symmetry at higher relative concentration and non symmetry at lower relative concentration.

通过氚在黄土包气带现场示踪试验结果的分析，发现3H纵向分布在相对浓度较大时是对称的，而相对浓度较小时则不对称。

Qiu Tong, Li DerongShanghai Research Institute of Building Science, Shanghai 200032）Abstract: This paper summarized the application of External Thermal Insulation Composite Systems in China for building energy conservation. Theoretical analysis and experiments, which were based on the relative technical approvals, regulations and standards for application, showed that four kinds of ETICSs, especially the noncombustible heat preservation system had good safety performance against wind load on the condition of reaching the relative standards or regulations.

本文综述了各种不同外墙外保温系统在我国建筑节能领域的应用现状与发展趋势；在原有建筑节能以及风荷载对建筑影响研究的基础上，参照相关国内外标准、技术规程对各类外墙外保温系统的抗风荷载性能进行了理论及实验分析，结果表明各类外墙外保温系统尤其是无机不燃外墙外保温系统在施工质量完全达标的情况下，具有较高的抗风荷载性能安全系数。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。