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The magnitude of the stress was calculated according to the intensity of the polarization mode coupling. The location of the stress was determined by calculating the optical path difference of the two orthogonal polarization modes.

由偏振模耦合的强度计算应力的大小,通过由双折射引起的2个正交的偏振模的光程差计算应力的位置。

The paper calculates and analyses an coupling oscillating mode trait of chute -flow-dam body and the dynamic stability of the chute of overfall concrete face rockfill dam by using ANSYS finite element software and the theory of fluid-solid coupling.

采用ANSYS有限元软件和流—固耦合理论[1,2],计算、分析了溢流混凝土面板堆石坝的泄槽—水流—坝体的耦合振动模态特性和泄槽动力稳定性,同时应用随机振动理论对脉动压力作用下的泄槽及地基的动力响应作出了定量估算,与原来的双渐方法的结果进行了比较,验证了计算结果的合理性,进而分析了坝体动弹模和堆石厚度对系统动力特性的影响。

Because of the use of novel technique of mode choosing and shape modifying to the high power infrared diode laser,and of manipulating the trap with dual-lens scanning, the tweezer is easy to be constructed and operated.

由于采用了独特的对大功率多模红外激光选模整形和双透镜陷阱操纵技术等性能价格最优化选择,该系统易于构建,陷阱操作方便,其构建价格仅一般光镊的几十分之一,非常适合光镊技术的推广和一般实验室构建。

Methods]ninety femal sd rats,weight 230~280 gram,were rangdonmized into three groups: qiangguyin group,miacalcic group and control group.all rats were variectomized.after 10 weeks,the osteoporosis model succeed,the treatment group,contrast group were given qiangguyin,miacalcic respectively.the treatment group used qiangguyin everyday,1ml/g.the contrast group used miacalcic 0.72u/kg,everyday hyodermic.and 3,4.5,6 months after the treatment,kill 10 rats to explore.the neck of femur were cut and stined with masson golder trichrome for bone histomorphomemetric contrast group analysis.

方法]健康雌性sd大鼠90只,体重230~280g。随机分为3组,分别为治疗组、对照组和空白组,每组30只。分别采取切除双侧卵巢方法进行骨质疏松造模,10周造模成功后,开始给药,治疗组用自拟强骨饮灌胃,每日一次,每次1ml/g,对照组用密盖息,皮下注射,每日1次,每次0.72u/kg。空白组,不做处理。在给药后3、4.5、6个月每组各取10只大鼠进行检测,先测量体重,空气栓塞处死,分离股骨颈,获得股骨颈样本,经切片等处理后,显微镜下作骨形态计量学检测。

The working principle of a novel short st roke linear DC motor wit h permanent magnet s is presented. Mixed digital - analog cont rol approach based on DSP ( TMS320L F2407A) is proposed. Displacement detecting and cont rol technique are discussed. Displacement detecting circuit s , digital - to - analog converter (DAC7641) expanded circuit s and cont rol software are given.

阐述了一种新研制的短行程永磁直流直线电机的工作原理,提出了基于DSP ( TMS320L F2407A)的短行程直流直线电机数、模混合伺服控制系统方案,重点对直线电机的位置检测及控制技术进行了研究,给出了DSP 控制器的位置检测接口电路、16 位双极性数模转换器(DAC7641)的扩展电路和控制软件的实现方法。

It is shown that the stress triaxiliaty T has great effect on the damage evolution. When T goes up, the ductile damage tends to be intensified. When the core is harder than the sleeve, the larger the semicone angle the core fracture is more likely to occur.

断裂预测结果表明,对于芯层金属较硬的双金属的挤压成形,锥形模半模角α越大,芯层金属越容易发生断裂,较大的摩擦因子有助于阻止芯层金属的断裂,这两点结论与Avitzur由上限法所得的结论完全一致。

The effect of heattreatment on bonding strength of the Cu./Al bimetal interface was also investigated. When the semicone angle or the percent reduction goes up, the relative slide will also increase. Suitable diffusion heattreatment can improve the bonding strength.

试验结果表明,过大的锥形模半模角α和过大的断面减缩率r%,均会加大铜和铝之间的相对滑动量;合理的扩散热处理制度可以进一步增大Cu/Al双金属界面的结合强度。

By cascading a delay interferometer as a comb filter with a tunable bandpass filter,and employing a saturable absorber formed by a unpumped polarization-maintaining EDF to select the single-longitudinal-mode of the laser, a stable wavelength-tunabledual-wavelength single-longitudinal-mode fiber laser is demonstrated.

4将梳状滤波的延迟干涉仪与可调带通滤波器进行级联,用未泵浦的保偏掺铒光纤饱和吸收体进行单纵模滤波,获得了波长可调的双波长单纵模掺铒光纤环形激光器。

AGA model group were produced by Mc Carty D.J. From the next day, the rabbits of electron-acupuncture group were acupunctured double Zusanli and Sanyinjiao points with electron-needles for 7 days consistently. The targets were measured by ELISA (Enzyme-Linked Immuno Sorbnent Assay) and the. examination of pathomorphology technique.

采用Mc Carry D.J经典造模方法建立日本大耳白兔急性痛风性膝关节炎模型,造模后第2天电针双&足三里&和&三阴交&穴,治疗7天后测定膝关节周长与痛阈,并取各组动物膝关节滑膜液以及滑膜组织。

It use two disparting surface,and its frame is fast.It use point moulding gob,so,it can fall off automatism.When it is pulled out ,the pulling pole pull the product and accomplish the pulling of its side concave . The design project is divided into two parts. The first part is about the working theory and application of a plastic injection mould, the principle of designing and the introduction of the production about plastic mould.

它采用双分型面分型,结构紧凑;采用点浇口,且浇口可以自行脱落;顶出时,由推杆和斜顶杆顶出制品并完成制品内侧凹的抽芯;模具定模上的水道以多支回路分别冷却,动模一侧的型芯由三组水道分别冷却。

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推荐网络例句

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失

But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.

但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。