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Based on the technique of PIV,We calculated the light intensity of the bubble interface and discovered that the intensities of lighr reflected or refracted twice succeedingly abide by the rules of geometric series , and the light will disappear after reflecting or refracting 4 times by the bubbles.

基于粒子成像测速的流体可视化技术，根据菲涅耳公式计算了入射到水中气泡界面的光强，得出点光源连续两次反射或折射的光强具有等比数列的规律，光线在气泡界面反射、折射4次就变成完全偏振光且光线几乎消失。

S the cold worked specimen aged at 400 and 480℃ two peaks were ob- served on the resistivity plot and X-ray relative intensities vs time curve,while two plateaus were found on the thermoelectromotive force curve.

u-Pd-Cr 合金在不同温度退火后室温电阻率增加，在450和850℃达到极大，冷加工时则又减小，硬态试样经400和480℃时效后，电阻率和 X 射线相对强度随时间变化曲线出现两个峰，而在自配热电势曲线上则是两个阶梯。

The study content of this paper includes the influence of the reservoir sedimentation developing topograph and the arrangement of TGP's lock upstream approach entrance region upon the intensities and distribution ranges of oblique flow as well as the relations of the ship sailing and oblique flows.

阐述了三峡工程船闸上游引航道长堤口门区的斜流特性研究成果，其中包括水库泥沙冲淤发展地形和口门位置等边界条件对斜流强度、分布范围等的影响，以及船舶进出口门的航行与斜流的关系。

Triatomic molecules We studied the interaction of linear triatomic molecules CO〓 and CS〓 with the intense femtosecond laser field at different intensities and polarization states. The kinetic energy of the C ion is much less than that of the O ion at the same charge states indicating that the Coulomb explosion is a concerted process, that is, the two C=O broke simultaneously.

三原子分子研究了不同强度的不同偏振的飞秒强激光场和线性三原子分子CO〓和CS〓的相互作用。C离子的平动能要远小于同电荷数的O离子的平动能，表明库仑爆炸是一个协同过程，两个C=O键同时断裂。

Results Serum EDLS increased within 24 h after brain trauma of different degree in all patients with brain injuries of various intensities.The group of slight injury was the most typal,EDLS demonstrated no change or decrease in a few patients with the injury intensity growing;In most cases EDLS decreased after brain operation or accompaning the wounded recovery; Contents of EDLS at 24 h among different pathological types of brain injuries showed no difference, but in the successful recovery patients with severe or ultra-severe brain injuries, EDLS contents at 72 h posttrauma were lower than in the patients of death or disability. The above change characteristics of EDLS related to injury locations and the degree of brain injury.

结果 不同程度脑外伤后24小时内血清EDLS均升高，以轻伤组最为典型；随着损伤程度的加剧，少数病例EDLS不变甚至下降；术后或随伤情的恢复，EDLS多同步下降；不同病理类型的脑损伤24小时内EDLS无明显差异，在成功康复的重型、特重型脑损伤病人，伤后72小时EDLS含量低于死亡或伤残组；EDLS 的上述变化特点与损伤部位和程度不同有关。

Many new detection techniques are proposed, that include: To overcome the faults of cross-terms and short unambiguity range for the common Wigner-Ville Distribution , short-time Fourier transform and Gabor transform are applied to SAR moving target detection. To improve the detection performance of WVD in noise environment, a new technique based on the Cross-WVD is proposed. The application of fractional Fourier transform to chirp signal detection is analyzed and extended to SAR moving target detection. To eliminate the restriction of chirp-Fourier transform, a new modified definition is proposed and applied to SAR moving target detection. To detect multiple moving targets whose scattering intensities are different heavily, the CLEAN technique is combined with the above techniques and the ideal detection performance is achieved. At last, the whole dissertation is concluded.

具体的研究成果如下：针对常用的Wigner-Ville分布在多目标情况下存在交叉项，并且多普勒不模糊范围小的缺点，提出将短时Fourier变换和Gabor变换应用于SAR运动目标检测，分析了其优势所在；为进一步提高Wigner-Ville分布低信噪比条件下的信号检测能力，提出基于互Wigner-Ville分布的运动目标检测方法；分析了分数阶Fourier变换在线性调频信号检测中的应用，提出基于分数阶Fourier变换的运动目标检测算法；对离散Chirp-Fourier变换的定义进行了修正，提出修正的离散Chirp-Fourier变换，克服了限制其应用的约束条件，并用于SAR运动目标检测当中；强度相差较大的多运动目标检测历来是机载SAR技术的一个重点和难点，我们将CLEAN思想融入上述多种算法当中，良好地解决了该问题。

The results show that for unoriented ZnO nanowire thin films, the electric field intensities corresponding to the turn-on voltage and threshold voltage of field emission are 4.7 and 7.6V/μm, which are much lower than those of aligned nanowire arrays.

结果显示，非取向生长的ZnO纳米线薄膜场发射的开启电压和阈值电压所对应的场强分别为4.7和7.6V/μm，场增强因子达10^3量级，具有较阵列生长的ZnO纳米线更为优异的场发射能力。

Methods: During intravenous anesthesia, twenty male SD rats received single transcranical magnetic and electric stimulation with Mag 2 stimulator and Cantada electromyograph. The characteristics of MEP recorded epidurally or in the bilateral forelimbs′ extensor muscles and hindlimbs′ gastrocnemius muscles under different stimulation intensities were observed.

20只雄性SD大鼠经静脉麻醉后采用 Mag 2型磁刺激仪和Cantada型肌电图仪分别进行单次经颅磁及电刺激，观察不同刺激强度下，在T12硬膜外和双侧前肢伸肌和后肢腓肠肌记录的MEP变化特征。

The neutron emission intensities of spent fuel for different initial enrichment and different burnup and different cooling time were calculated, the power function relationship between burnup and neutron emission intensity was decided and verified after analysis, and the factors that affected the power function relationship were studied.

计算了不同初始富集度、不同燃耗、不同冷却时间的乏燃料的中子发射强度，经分析，证实了燃耗与中子发射强度间存在的幂函数关系，并对影响幂函数关系的各种因素进行了研究。

It seems likely that changes in snowfall amounts, with season or in storm intensities, will alter the timing, temperature relations, and extent of avalanching.

看起来，由于季节或风暴频度造成的降雪量变化可能改变时机、温度关系以及雪崩的程度。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。