Mechanical shield spray has good effect in reducing spray drift with low cost , simple structure . the structure is the key point 机械式罩盖喷雾是一种结构简单、价格便宜和减少雾滴飘失效果好的喷雾方法，其中罩盖结构起着关键的作用。
The nozzle diameter and the ejection pressure have a great effect on the flow rate 、 droplet cone shape 、 droplet size and cover area of fluid pesticide 喷嘴孔径和喷出压力在很大程度上影响着药液的流量特性、雾锥形状、雾滴大小和覆盖面积。
6 . the electric field induced by the ring electrode is calculated and a model of the electric field induced by charged droplets is presented 6 、模拟了环状电极诱导的空间电场，建立了荷电雾滴诱导空间电场的数学模型并就模拟方法进行了探讨。
The cold fogger may dispense formulations in a very concentrated form and generate the droplets ( usually in the 5 - 30 micron diameter range ) in a precise manner 冷喷雾器可以使用很浓缩的配方，并准确地产生微细雾滴(直径通常由5至30微米不等) 。
The machine can press liquid material into centrifugal nozzle to spray micro fog drops that will drying in the tower relaying on convective flow with hot air 本机是将料液压入压力喷嘴雾化成微小雾滴，在塔内与热风以对流的方式完成干燥，获得颗粒产品。
These ions are thought to help create new particles called aerosols and , when aerosols grow above a certain size , they become the seeds around which cloud droplets form 这些离子被认为帮助产生了新的微粒，浮质，而当浮质超过一定量，就成为雾滴形成所必需的内核。
It is found that the three parameters can influence each other on the distribution of the liquid particles and the electrostatic voltage has the biggest effect 通过对不同条件下试验数据的分析比较，发现这3个条件时雾滴粒径分布的影响存在相关性，其中静电电压的影响相对较大。
In order to study the pressure - swirl nozzle ' s atomization characteristic , the particle diameter distributions along axis of the nozzle have been measured by immerging 摘要为了研究一种高压静电压力旋转喷嘴的雾化特性，采用浸入法测量了该喷嘴喷雾雾滴粒径在喷嘴轴向的分布状况。
The captured droplets weight is regarded as evaluating indicator . experimental constants include : ambient temperature 281 - 288k , rh 9 % ~ 20 % , wind velocity 1 . 4m / s and vertical to the spray fan 风洞和室内试验比较了结构改进前后的罩盖喷雾减少雾滴飘失的效果，并和常规无罩盖喷雾对比。
The cold fog is produced by a special device ( cold fogger ) that breaks up the chemical into microscopic droplets by mechanical means , basically with a high - pressure pump and an extreme fine nozzle (冷喷雾器)制造。基本来说，此装置用高压泵和极细的喷嘴，以机械方法把化学液体变成微细的雾滴。
