The calculation method for air diffusion model of middle distance under complicated terrain was analyzed.
本文分析了在复杂地形条件下中距离大气扩散模式的计算方法及其对城区的影响。
Some key parameters such as gasoline vapor mole quality and compression factor, vapor pressure, and vapor-air diffusion coefficient were decided and recommended.
对汽油蒸气的一些关键物性参数,如油气摩尔质量、压缩因子、蒸气压及油气——空气扩散系数等给出了推荐值或计算式。
Air diffusion can impact the pollutant distribution in atmosphere, and so do some non-diffusion aspects such as dry sediment, wet sediment and chemical translation.
污染物在大气中被稀释扩散时,还会发生干沉积、湿沉积和化学转化过程,所有这些都会影响污染物在大气中的分布。
In order to reach uniform temperature distribution in tunnel bogie hearth furnace, the technology of pulse firing control of high velocity burner with air diffusion is proposed.
为解决隧道式淬火炉炉温分布不均匀的问题,采用了高速调温烧嘴脉动燃烧控制技术。
On the basis of the air pollution emission data, the contribution of each dust pollution source to the air environment quality in Anshan is analysed with ADMSair diffusion models.
以污染源排放数据为基础,应用adms -城市扩散模型模拟分析了鞍山市尘各污染源对空气环境质量的贡献。
The effect of active carbon granularity-on properties of air diffusion electrode is introduced in this article in order to improve the permeability and electrochemical property of layer.
为了改善空气扩散电极的电化学性能,对活性炭粒度分布对空气扩散电极性能的影响进行了研究。
In survey of this phenomenon, using spot date, physical and mathematics stimulant method, flowage and diffusion are studied and wellbore flow and air diffusion model of CO are established.
针对这一现象,运用现场数据以及物理模拟和数学模拟方法首次通过对CO气体流动、扩散等的综合研究,建立了CO井筒流动及大气扩散模型。
It also helps diffusion, the way a scent lifts and hangs in the air.
香柠檬油同时也有助于香味的扩散,即香味弥漫并悬浮在空气中的方式。
The results also provide the useful guideline and references to a certain extent for city planning and designing as well as the diffusion and cumulation of air pollutants around buildings.
数值模拟表明了风遇到建筑物时的绕流情况,研究成果可为城市规划和住宅小区建筑物的优化设计以及分析建筑物周围空气污染物的扩散和累积提供参考和应用基础。
The osmotic gas beneficiation on another surface of films and diffusion in the air.
渗透气体在膜的另一表面上富集,并向空气扩散。
We simulated the combustion process in large acceleration of diffusion fuel and premixed fuel of methane and air by PHOENICS.
本文采用PHOENICS进行了甲烷和空气在大加速场中扩散燃烧和预混燃烧的模拟实验。
This paper presents an effective guideline to verify the diffusion model in air environment capacity, and discusses the measures to meet the targets.
提出了空气环境容量核定中扩散模型验证的有效指标,简述了满足指标应当采取的措施。
Smoke diffusion controlled by smoke-preventing air curtain is simulated and analyzed by CFD when a train catches fire.
并用CFD方法模拟分析一列地铁列车着火时,防烟空气幕对烟气扩散的控制。
Integration of GIS and air pollution diffusion model has already become an important trend.
大气扩散模型与GIS整合是当前的重要发展趋势。
Results from our model revealed that oxygen uptake by diffusion from the air, under normal conditions, was limited to the out most layer of the skin and did not penetrate beyond the germinal layer.
研究结果表明,在正常生理条件下,皮肤从空气中通过扩散输运所获取的氧仅限于表皮角化层,而不能到达表皮生发层。
Regardless of hysteresis of air system, the main factor that influences dynamic response of fuel cell is diffusion concentration polarization, which restricts the change rate of stack current.
不考虑空气系统的时间滞后,影响电池动态响应时间的主要因素为扩散浓差极化,它限制了电流的变化率。
Presently, passive HTO samplers are being widely used abroad. It samples HTO in air based on the principle of gas molecular diffusion and permeation.
目前被动式氚取样器在国外取得了广泛的应用,它是基于气体分子扩散或渗透原理采集空气中氚化水蒸汽( HTO)样品的一种方法。
A sampling method of passive diffusion tube for collecting formaldehyde in indoor air was established.
本文建立了被动式扩散管采集室内空气中甲醛的方法。
On the basis of the successfully debugged program a numerical simulation of the diffusion combustion process was performed of methane and air in the high acceleration field.
在调试成功的程序上对甲烷和空气在大加速度场中的扩散燃烧过程进行了数值模拟。
The methane emission from soil to the atmosphere is mostly through rice plants, only small amounts of methane is released across the water-air interface via bobbles or molecular diffusion.
后者主要是通过水稻植株向大气释放,只有少量通过气泡或分子扩散从水田土壤通过田面水层向大气排放。
Combining several techniques enables researchers to measure the rate of diffusion of these helium gas molecules, which reflect the size of the air sacs in the lung.
联合其他的仪器研究者能够测量出氦气分子的扩散率,这将反映出肺中肺泡的大小。
From the gas diffusion theory to study gas diffusion on the wet air, to Fick theory analysis, puts forward the influencing factors of gas diffusion.
从气体扩散理论出发,研究了湿空气下的天然气扩散,以菲克理论进行理论分析,重点提出了气体扩散的影响因素。
The paper mainly focuses on the analysis of FTIR spectra of toxic organic substance in the atmosphere and the establishment of diffusion models in the indoor air.
本文主要对大气中有毒有机物傅里叶变换红外光谱的解析和室内扩散模型的建立进行了研究。
Numerical simulation of pollutants' diffusion in air has been adopted widely, but the false diffusion occurring in simulation is always an important factor affecting the accuracy of the results.
用数值模拟的方法预测污染物在大气中的扩散已经被广泛采用,但数值模拟产生的伪扩散一直是影响模拟结果精度的重要因素。
After the research work of the present study, the profile of the influence of humid air on diffusion flames and combustor performance becomes basically clear.
通过本文的研究,空气加湿影响扩散火焰和燃烧室性能的轮廓基本清晰。
Calculating results show that it is available to study the tiny particle diffusion by means of measuring and analyzing the room airflow movement in an air conditioning and cleaning room.
计算结果表明,在空调净化房间通过测量分析气流的运动规律来研究气流中微小粒子的扩散规律是可行的。
HEPA supply outlet diffusion perforation panel influences cleanroom air velocity field, cleanliness, cleanliness recovery characteristic and resistance of the diffusion panel.
高效过滤器送风口扩散孔板的开孔情况影响着室内流场、室内空气洁净度、洁净室自净时间和扩散板阻力。
The paper analyses the diffusion conditions of air boundary layers, the distribution and forecast of source air pollution and the current situation of air pollution.
分析了大气边界层扩散条件、大气污染源分布及预测、大气污染现状。
The paper analyses the diffusion conditions of air boundary layers, the distribution and forecast of source air pollution and the current situation of air pollution.
分析了大气边界层扩散条件、大气污染源分布及预测、大气污染现状。
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