平均

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。

It is showed that the steady state distribution of the velocity just depends on the visco-elastic index of the cupula and the velocity is proportional to 〓, and the profile of the endolymph is parabolic, which is just like the Poiseuille fluid.

分别定义内淋巴液的平均角位移以及无量纲平均速度作为半规管系统的输出和输入，对于系统的频率特性进行了分析。

The mean somatotype data of male was 6.4-2.7-3.0, which focused on balanced endomorphy. The mean somatotype data of female was 4.8-2.3-3.0, focused on ectomorphic endomorph.

青岛高校男性大学生平均体型值为6.4-2.7-3.0，属于均衡的内胚层体型；女性平均体型值为4.8-2.3-3.0，属于偏外胚层的内胚层体型。

There was no significant difference in the engraftment of hematopoietic stem cells between HBV infected group and control group.

在自体造血干细胞移植和异基因造血干细胞移植中包括HBsAg组和HBsAb组在内的HBV感染组白细胞恢复到1×109/L所需的平均天数与对照组比较均无统计学的显著差异（P＞0.05），乙肝病毒感染组白细胞恢复到1×109/L所需的平均天数为(14.54±5.49)d。

Nutrition information Serving size:38.8g in 20ml of water Serves per can:23 Prepared food Avg Qty Per Serve % Daily intake per serve Avg qty per 100ml Major nutrients Energy Protein Carbohydrate -sugars -lactose -dextrose -sucrose -unavailable CHO Dietary Fibre -FOS Sodium Fats Fats-total -Saturated -Trans -Monounsaturated -Polyunsaturated -Total Omega3 -ALAa -VLC Omega3 -DHAb -EPAct -DPAdt Vitamins and minerals Vitamin A Vitamin D3 Vitamin E Thiamin (B1) Riboflavin (B2) Vitamin B6 Vitamin B12# Niacin (B3) Folic Acid Vitamin C Calcium Iodine Iron Phosphorous Magnesium Zinc

营养信息服务大小： 38.8克在二〇毫升水每次可以提供： 23 准备食物数量平均每个服务％，每日摄入量每服务平均数量每100毫升主要营养素能源蛋白质碳水化合物-糖乳糖一葡萄糖蔗糖，无法町膳食纤维- fos基因钠油脂油脂总饱和反，单，多总计Omega3 ，阿拉，可变长编码Omega3 - DHAb - EPAct - DPAdt 维生素和矿物质维生素A 维生素D3 维生素E 硫胺素（ B1 ）核黄素（素B2 ）维生素B6 维生素B12 ＃烟酸（ B3的）叶酸维生素C钙碘铁磷镁锌

Let be a homeomorphism, the following statements were obtained: if is distal and has POTP ,then does not have the average shadowing property; if is equicontinuous and has the average shadowing property, then f is minimal; let :X→X be distal and chaintransitive, then does not have POTP; is distal if and only if is distal.

设是个同胚映射，得到了如下结果：若有POTP且是distal的，则不具有平均跟踪性；若有平均跟踪性且是等度连续的，则是极小的；若是distal的且是链可迁的，则不具有POTP；是distal的当且仅当是distal的。

In Chapter 3, we obtain the Equilibrium Principle of the Rate Return in Financial Market, that is, the weighted sum of instant rate of return of nodes in the network is a constant.

本文第六章研究了出现突发事件时的收益率—流通量方程，证明了不同时间段的网络平均收益率也不相同，并且随脉冲条件的变化而变化，同时给出了相邻两个时间段网络平均收益率之间的关系。

Li 101 proved the nonlinear ergodic theorem for semitopological semigroups of Lipschitzian mappings in the uniformly convex Banach space with the Frechet differentiable norm without using the concept of invariant mean and submean. In Chapter 1, we extend the results in [23 [24] to the case of almost-orbit.

Li［10］避开了不变平均及不变子平均的概念，在具Frechet可微范数的一致凸Banach空间中，给出了一般拓扑半群上渐近非扩张半群的遍历压缩定理。

When G is not a commutative semitopological semigroup, Lau and Takahashi proved the ergodic theorem for right reversible semigroups of nonexpansive mappings by using the methods of invariant means.

而当G非交换时，Lau和Takahashi利用不变平均技巧，在假定G是右可逆，X具一致Frechet可微范数及RUC存在不变平均等条件下，给出了非扩张半群的遍历压缩定理。

The simulation data show that the average error of land surface temperature is below 0.5℃, and the error of emissivity in band 11~14 is below 0.007(band 11,12)and 0.006 (band 13,14), respectively.

利用辐射传输模型MODTRAN 4模拟数据进行反演及验证分析，结果表明，神经网络能够提高算法的精度和实用性，反演的地表温度平均误差为0.5 ℃，反演的发射率平均误差分别在0.007(11、12波段)和0.006(13、14波段)以下。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。