Particle pollution - such as smoke, dust and heavy metals -- is known to irritate the airways and worsen asthma, and several studies have linked it to heart disease.
众所皆知，颗粒污染，诸如烟、尘、重金属等，会刺激呼吸道，从而加重哮喘。有几项研究也把颗粒污染与心脏病联系在一起。
Changes to the actual game are that some particle effects have been tweaked for minor aesthetics (mainly making smoke softer), and that "Battle Mode" now has a new time limit.
在实际游戏中的变化是，一些粒子效果已调整为较小的美学(主要制造烟雾软)，和“战斗模式”现在有一个新的时间限制。
This paper presents a real time cartoon smoke simulation algorithm based on fluid dynamics and particle system.
提出一种流体力学模型结合粒子系统的卡通烟雾实时模拟算法。
Once you understand how particle engines work, creating effects such as fire, smoke, water fountains and more will be a piece of cake!
一旦理解了系统是如何工作之后，创建火，烟雾，喷泉之类的效果将会是小菜一碟。
Erosion of the blade by the solid particle of the smoke and gas is the major problem of axial flow fan, which may make axial flow fan reduce power and even stop working.
轴流式引风机的失效形式主要表现为烟气中的固体颗粒对轴流式引风机叶片的冲蚀磨损，轴流式引风机叶片的失效会导致出力效率降低甚至停机。
Typically, CG smoke is created with particle systems using layers of fields and forces.
典型地、CG烟雾效果是通过粒子系统运用层的场和影响力制作出来的。
The difference between particle mass concentration and Bosch smoke number is indicated.
指出微粒的质量浓度与波许烟度的不同。
A laser based technique is proposed which is able to measure and supervise the mass concentration and particle size of smoke and dust in emissions.
提出了能直接测量烟尘和粉尘排放浓度和粒径大小的激光监测技术，具有实时快速、非接触、在线、无需取样和连续测量的优点。
Second, a simple wind that impacts the dispersion of smoke is simulated using OGRE particle system affecter.
其次，利用OGRE粒子系统效果器，模拟了简单风场对烟幕扩散的影响；
This paper presents a fast cartoon smoke simulation model based on fluid dynamics and particle system.
提出一种流体力学模型结合粒子系统的卡通烟雾实时模拟算法。
Metal filter, black smoke minute particle removing apparatus having metal filter, and diesel engine automobile.
金属过滤器，具有金属过滤器的黑烟微粒除去装置，以及柴油机汽车。
The paper presents a method on real time generation of dynamic dense smoke based on aerodynamics and the particle system theory.
基于气体动力学和粒子系统理论，本文给出了一种实时生成动态浓烟的方法。
It is sothin that a smoke particle, fingerprint, dust, or human hair could cause what is known as ahead crash.
它是如此的薄，以至于烟粒、指印、灰尘或者头发都可能引起磁头划伤。
The density function and working radium are added to the particle properties, thus very little particles are needed to generate the smoke density field.
为粒子属性引入浓度函数和作用半径，从而只需少量粒子就可快速获得浓度场分布。
The results show that the agglomeration of the charged smoke particles is affected by surface charge distribution, charge quantity, particle size, charge polarity and so on.
研究结果表明，电场中带电烟尘粒子的凝集受粒子表面电荷分布和电荷量、粒径、粒子所带电荷的极性以及中性电荷粒子的影响。
The concentration and the mean particle size of smoke are of primary importance in early fire detection.
烟雾浓度和平均粒径是烟雾的两个重要特性参数，是早期火灾探测的基础。
Fireworx Stand is realtime particle animations of fireworks, with realistic sparks, fire, smoke, and authentic sound effects!
这款软件中的烟花具有动画效果如逼真的火花，烟雾，和真实的声音效果！
It can be used not only to measure smoke concentration and particle collection efficiency, but also to monitor various air pollution sources. Hence its broad prospect of application.
它不仅可以用来测试各种烟尘的浓度、环保设备的收尘效率，而且可用于各种烟尘污染源的监控，故具有广阔的应用前景。
It is so thin that a smoke particle, fingerprint, dust, or human hair could cause what is known as a head crash.
它是如此的薄，以至于烟粒、指印、灰尘或者头发都可能引起磁头划伤。
It is so thin that a smoke particle, fingerprint, dust, or human hair could cause what is known as a head crash.
它是如此的薄，以至于烟粒、指印、灰尘或者头发都可能引起磁头划伤。
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