使用系数

The optical characterization methods were used in the study of the defects of transparent crystal in visible light and the near UV absorption topography method is used in the study of the defects and relationship between defect and growth facets because scintillant BGO crystals, when suffered radiation damage,have a high absorption coefficient for light of short wavelength.

除使用通常研究透明晶体的光学方法外，由于BGO晶体在受到光辐照损伤时时短波长光具有高的吸收系数，因此还采用近紫外光吸收形貌法研究晶体缺陷，以及缺陷与晶体小面之间的关系，并根据BGO晶体的结晶习性和小面形成机理提出了减少和消除晶体小面生长及缺陷的方法。

The optical characterization methods were used in the study of the defects of transparent crystal in visible light and the near UV absorption topography method is used in the study of the defects and relationship between defect and growth facet s because scintillant BGO crystals, when suffered radiation damage,have a high absorption coefficient for light of short wavelength.

除使用通常研究透明晶体的光学方法外，由于BGO晶体在受到光辐照损伤时时短波长光具有高的吸收系数，因此还采用近紫外光吸收形貌法研究晶体缺陷，以及缺陷与晶体小面之间的关系，并根据BGO晶体的结晶习性和小面形成机理提出了减少和消除晶体小面生长及缺陷的方法。

The Pt and Pd coexisting disturb is elimilated by double-wave spectrophotography, adopting dithizone as the extraction agent.

双波长分光光度法测定铂和钯使用双硫腙萃取双波长系数倍率法来测定结果，消除了铂钯共存的干扰。

By way of eight experiments and statistical analysis of loads of overhead crane in actual usese, we have got that the lifing load is stationary, normal and homogeneous Poisson, and got distribution function of lifting load, the load spectrum factor, the rain-flow counting results of stresses and statistical results of location of the trolly, that will provide a large number of datas for reliabilitic design of overhead crane.

通过对八台桥式起重机现场使用载荷的实测试验与统计分析，得出桥式起重机吊重载荷的平稳性、正态性、齐次泊松性、幅值分布、载荷谱系数，以及应力的雨流计数结果、小车位移分布等，为桥式起重机可靠性设计提供了大量的统计数据。

Found that because the narrowness of the channel, compared with large channel, there have a great difference in bubble behavior and relative character, when used Bowering relation to predict theONB point, this paper given a correlation of C1 = 103.736 Res -0.8 Eu-0.123 to modify theBowering relation to consider the influence of flow velocity and pressure on ONB point.

发现由于流道狭窄，汽泡行为及相关特性等与大流道相比有很大不同，使用Bowering关系式预测过冷流动沸腾起始点时，本文提出了一与流道内的流速和压力条件紧密相关的修正系数C_1，得到了关系式C_1=10~(3.736) Re_s~(-0.8) Eu~(-0.123)，弥补了Bowering关系式中没有考虑流速和压力等因素对沸腾起始点影响的不足。

In our experiments,the propagationvelocity and the coupling coefficient for the high-velocity surface acoustic mode ismeasured on a free surface as well as on a metalized surface.

在实验中，采用四种经常使用的压电晶体，对这种表面高速模式进行声速和耦合系数的测量，分别在自由表面和金属化表面进行。

The model was found to describe the experimental data fairly well for most of the experimental conditions in this study.

利用模式模拟高浓度的实验结果所求得之孔隙扩散系数，并可以成功地预测吸附低浓度的实验结果，显示本研究所使用之传输模式具有相当的合理性。

Then recomputed wavefront aberrations at different optical zones and the 2~ to 6~ order aberrations were analyzed.

并使用COAS波面像差仪自带软件分别计算在三个分析瞳孔尺寸下的二～六阶像差系数。

In this thesis, the phase diagram of Zn-Al binary system on 10~69.5 w% was reinvestigated by using differential scanning calorimeter, X-ray diffraction and pushrod dilatometer. The process of isothermal transformation during the aging of high-Aluminum-Zinc-based alloy was studied by using differential scanning calorimetry, and the aging behavior of the alloy was analyzed at the aspect of thermal analysis kinetics. The change of microstructure which the alloy was being heated was observed on high-temperature metallurgical microscope. The microstructure and wear-friction properties were compared among the alloys treated with several different heat treatment processes, and a model for heat treatment processes was proposed based on artificial neural network,so as to predict the relationship between friction coefficient and parameters of aging treatment such as aging temperature and time.

本文采用高温X射线衍射、示差扫描量热分析、热膨胀等方法重新测定含锌量范围为10％～69.5％的Zn-Al系二元相图，利用示差扫描量热分析法，研究高铝锌基合金时效等温转变过程，并从热分析动力学的角度分析高铝锌基合金合金时效行为；使用高温金相显微镜观察合金加热时的组织变化；比较几种不同热处理工艺对高铝锌基合金显微组织与耐磨性能的影响并利用人工神经网络建立高铝锌基合金热处理工艺模型，预测合金摩擦系数随时效温度及时间变化规律。

Research on Design Theories and Methods of Unseating Prevention Devices Based on the seismic standard of China, the design theories of unseating prevention devices were presented, according to the response spectrum of random loading and the fortify intensity at expansion joints, the design method was put forward. In the light of the use of unseating prevention devices at home and abroad, the choice and methods for installation of the devices are introduced and compared.

4连梁装置设计理论与方法研究考虑场地土的不同地震动参数和桥梁等级的不同，在论文中引入桥梁地震荷载重要系数，并根据冲击荷载的反应谱，提出连梁装置的设计地震力力和位移计算方法；参照国内外的连梁装置设计使用的现状，介绍了多种类型连梁装置的选用及安装方法；对连梁装置缓冲部分不同的构造进行了试验。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐