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Results show that the nanometer particles are in spherical shape, the size of particles is homogenized and controllable, no agglomeration. The particle size changes with the processing condition; the maximum particle size is in the range of 80~90 nm, and the minimum particle size is in the range of 25~30 nm. The ice performance test in indoor cloud chamber shows that the nanometer silver iodide particles as catalyst for artificial weather modification have great application prospect.

结果表明：纳米碘化银粒子成球形，粒径均匀可控，无明显团聚现象，不同工艺条件下获得的碘化银粒径不同，最大粒径范围在80~90 nm，最小粒径范围在25~30 nm，因为碘化银具有类冰结构，是最佳成冰物质，故纳米碘化银粒子作为人工影响天气催化剂具有极大的应用前景。

The position and size of the monochromator, focusing curvature radii and tilting angles of the germanium focusing monochromator under different different take-off angle, size and divergency of the second collimator and intensity loss due to the use of it were determined. The neutron flux at different wavelength, under different reflection and take-off angle of the monochromator and divergency of the first collimator, were given. The simulation on the aperture used for limiting beam size in front of the sample showed that, smaller the size of the aperture and further the distance from the aperture to the sample, greater the loss of the intensity and more serious the spread of the beam along vertical direction at the sample position which makes the practical sampling volume greater than expected.

用蒙特卡罗模拟方法对中子应力衍射谱仪的设计方案进行了优化研究，提出了一系列可供参考的数据：确定了单色器的位置、尺寸、垂直聚焦单色器在不同起飞角下的聚焦曲率半径和倾角；讨论了第二准直器的尺寸和发散，以及使用第二准直器造成的强度损失；给出了在不同单色器反射面、起飞角、中子波长和第一准直器发散度的情况下样品处的中子注量率，以及多种组合情况下谱仪的分辨率曲线；对限束方孔的尺寸、距离样品远近对强度损失和测量中的影响做了深入研究。

The main research work of this paper are focused on following areas:(1) Based on review of the theory and methods on measurements of particle fields, a new idea for obtaining particle size and velocity distribution within a spray through imaging the particle field with a laser light sheet was put forward;(2) A DPIV (Digital Particle Image Velocimetry) system, is fit for velocity measurements of low speed flows, was developed and expended to particle size distribution measurement;(3) An arithmetic for particle velocity field reconstruction was developed, and the velocity distribution of water mist was also obtained;(4) A software system for particle analysis, which based on image geometry emend, de-noise and image partition was developed, the parameters such as particle size distribution, mean diameter, number of particles, minimum and maximum diameter can be got with this system;(5) A water mist system was developed and its characteristics, such as droplet velocity, size distribution, number of droplets and spray cone angle under different conditions were obtained from experiments with PIVS;(6) The measurement results of water mist characteristics with PIVS were compared and analyzed with the simply simulated results, and in addition, in order to verify the accuracy of PIVS, some experiments were conducted with the standard particles, such as glass-ball with known mean diameter of 50μm and 115μm, metallic coated tracing particle with mean diameter of 12μm;(7) Some experimental studies on interaction of water mist with liquid pool fires were conducted.

本论文的主要工作包括以下几个方面：（1）在对粒子场测量的相关理论和具体方法进行综述分析的基础上，提出了通过采用激光片光对粒子场进行成像以获取其粒径和速度等参数分布的新思路；（2）研制了适宜于低速流动速度场测量的DPIV(Digital Particle Image Velocimetry)系统，并使其实现了对粒子场粒径分布的测量功能；（3）研制了基于粒子运动轨迹的速度场重建算法，获取了细水雾雾场的速度分布；（4）研制了基于几何校正、去噪、图象分割等图象处理方法的"粒度分析软件系统"，该系统既可分析给出粒子场的粒径分布直方图和平均粒径，还可给出粒子的数目以及最大、最小粒径等信息；（5）建立了一细水雾发生系统，并应用上述方法对不同压力条件下细水雾系统的雾场特性（如速度分布、雾滴粒径分布、雾滴的数目、喷雾张角以及雾化长度等）进行了实验测量研究；（6）对细水雾特性参数的PIVS测量结果与计算机简单模拟计算结果进行了定性比较分析，并利用平均粒径为50μm和115μm的玻璃球以及12μm的标准示踪粒子对PIVS系统的粒径和速度测量结果进行了实验验证，同时对其局限性进行了分析讨论；（7）对不同工况条件下细水雾与油池火相互作用的过程进行了模拟实验研究。

Can not connect the same-size matching the size of any trap, trap size can not represent the connection of water the size of sparse, with a diameter of the trap, may vary significantly hydrophobic; Therefore, traps should be selected based on equipment process conditions, the light trap manufacturer to provide matching trap parameters is the correct choice.

不克不及按装备连接尺寸轻率选配同样尺寸的疏水阀，疏水阀的连接口径不克不及代表疏水量的大小，统一种口径的疏水阀，疏水能力可能差别很大；以是选用疏水阀时必须根据装备的工艺条件，参照疏水阀制造厂家供给的参量来选配疏水阀才是正确的选择。

The result indicates that the output power oscillates and weakens along with increasing input power,and its oscillation period depends on the distance between the medium and beam focal point.Limiter′s limiting ability will decrease if waist size of the incident Gaussian beam and the aperture size increase.With a fixed input power scope,medium′s best limiting position will move towards the focal point if waist size of Gaussian beam and the aperture size increase,but the best limiting position will change a lot with different input power scopes.

结果表明：限幅器的出射功率随入射功率的增加衰减振荡，其振荡周期取决于介质相对于光束焦点的位置；限幅器的限幅能力随入射光束腰半径和光阑孔径的变大而减弱；入射功率范围固定，入射光束腰半径和光阑孔径增大时，介质的最佳限幅位置向入射光束的焦点靠近，但是在某些入射功率范围内会存在多个最佳限幅位置；光限幅器的箝位输出功率随光阑线性透过率的增加存在线性增加和非线性增加两个不同区域，实际应用中应在线性增加区域确定光阑孔径的大小。

The invention intercepts a pixel area with the scheduled size in each frame from several continuous frame images in turn, reduces the intercepted pixel area to the largest size which the scheduled storage space can store and is stored in the scheduled storage space, then detects the face in the stored pixel area, hence, due to the minification of the storage space pixel area having the same size smaller than the whole frame image, thereby increasing the pixel area and reducing and storing the object face size compared with the whole frame stored in the storage space after reducing the frame image.

本发明依次从连续几帧图像中的每一帧中截取预设大小的像素区域，并在每次截取后，均将截取的像素区域缩小至预设存储空间所能够存储的最大尺寸后存储在预设存储空间内，然后在存储的像素区域内检测目标人脸。

The main experimental results are as follows:(1) the moving border is related with the size of grain, size of thawing hole and type of material. However, the piling height of grain has little effect on the moving border;(2) the flow speed of grain is effected by size of grain and size of thawing hole.

研究结果表明，(1)移动边界与散体的材料、颗粒的尺寸大小、放矿口大小等因素有关，而散体堆积高度对其影响不大；(2)散体的流动速度与散体颗粒的大小和放矿口尺寸有关。

Although the stabilization fund is not directly address the question of the size of the non-symptomatic, but if used for the benefit not only the direct intervention because of the size of speculative capital and non-malicious guest at the stock market caused by the abnormal fluctuations, but also through increasing Index heavyweight buy or hold the key to the size of some of the non-speculative selling and to stabilize the stock price, or let the market back to life after all the good opportunities and will be returned to properly resolve the issue of the size of the market in order to restore the function of orbit and re - Plastic confidence in the market start.

但如果用于受益，不仅是由于投机资本的规模和非直接干预，恶意住客股市造成的异常波动，而且也通过加强权重股购买或持有的部分非大小，投机性抛盘以及稳定股票价格，或者让市场恢复在所有的生活和良好的机遇的关键将返回到妥善解决了该市场的规模问题，以恢复轨道和重新功能-塑料在市场开始的信心。

For the straight-size girls (models who vary between size 0 and size 6), there's a ton of work," an agent, Aida Brigman, said."But for plus-size, it's not a huge market; it's not as big as people would like it to be.

骨感模特（身材在0码和6码之间）的工作机会非常多，"Aida Brigman，一个模特经纪人如此说，"肉感模特的市场就比较小，人们也不是很想看到她们有很大的市场。

For the straight-size girls (models who vary between size 0 and size 6), there's a ton of work," an agent, Aida Brigman, said."But for plus-size, it's not a huge market; it's not as big as people would like it to be.www.ryedu.net

骨感模特（身材在0码和6码之间）的工作机会非常多，"Aida Brigman，一个模特经纪人如此说，"肉感模特的市场就比较小，人们也不是很想看到她们有很大的市场。

"Yes, now you can give yourself airs," she said, you have got what you wanted.

"对了，您现在高兴了，"她说道，这是您所期待的。

Then the LORD said to me: Rebel Israel is inwardly more just than traitorous Judah.

上主于是对我说：＂失节的以色列比失信的犹大，更显得正义。