文章首先系统地介绍了室内空气品质的研究现状、主要污染物及其危害,提出了室内空气模型;
First, we introduced the actual research state of Indoor Air Quality - it's main pollutants and their effects and built indoor air models.
由高分辨率飞行影像取得的数据使得研究人员能够建立近乎完美的数学模型,来揭示那柔软的、扭转的翅膀怎样推动昆虫穿过空气。
Data from the high-resolution flight images allowed the researchers to create a near-perfect mathematical model of how the flexible, twisting wings propel the insect through the air.
地面观测点,特定时间内空气和火山灰范围的卫星图片可以用来建立一系列更好跟踪火山灰的模型。
Observations from ground, air and satellite of the ash's extent at specific times might be used to create a series of model runs that would track it better.
这个模型描述了气溶胶的光学厚度(一个衡量光在气溶胶里分散和吸收的物理量)以及气溶胶代替空气分子的程度。
The model depicts aerosol optical thickness, a measure of the amount of light that the aerosols scatter and absorb, and a proxy for the number of particles in the air.
为了解释气囊如何改变声音,deBoer博士制作了口腔、舌和喉的塑料模型,并压入空气使之发出不同的元音。
To find out how having an air sac changed the sounds produced, Dr DE Boer created plastic models of the mouth, tongue and throat and forced air down them to produce different vowel sounds.
另一个模型,“Oorja”,由BP和印度科学院开发,拥有一个内置的电池驱动风扇来使空气对准燃烧室内的木球,从而提高效能。
Another model, the "Oorja", developed by BP and the Indian Institute of Science, has an integrated battery-powered fan to direct air to wood pellets in the combustion chamber, improving efficiency.
这些团队为轻比重的合成材料结构、耐热和耐应力的发动机材料、有助于实现其设想的空气动力学模型提出了不同的改进建议。
The teams recommended a variety of improvements in lightweight composite structures, heat- and stress-tolerant engine materials, and aerodynamic modeling that can help bring their ideas to reality.
分析假设球内空气的行为符合压缩、粘性流体流动模型。
The air outside the ball was ignored, and it was assumed that the air inside the ball behaved according to a compressive, viscous fluid-flow model.
他们计划对途经海洋的空气进行抽样调查,计算机模型预测这些海洋空气中硝基氯含量不会超过万亿分之五十。
The plan was to sample nitryl chloride levels in Marine air, which computer models predicted would not exceed 50 parts per trillion.
利用计算机模型,弗瑞通过排列成8字形的风筝方阵计算出,浮于风筝上方空气的速度比周围的空气快得多。
Using computer models, Furey has worked out that flying kites in a figure of eight pattern means the air flowing over them travels even faster than the ambient wind speed.
首先利用多维逆m序列作为激励输入信号,用实验法建立出空气传送部分的多变量离散状态空间模型。
Firstly, the paper models the multivariable discrete state-space model of the air transmission unit by the lab method, using multi-dimensional inverse m series as input stimulus signal.
雷电精致光鲜的外壳使用了钛金属和蓝宝石,按照空气动力学原理制造。这个设计来源于Maximilianbusser童年时对组装模型飞机的热情爱好。
The sleek aerodynamic form of the Thunderbolt's titanium and sapphire envelope has its roots in Maximilian busser's childhood passion for assembling model plane kits.
建立了单一粉煤灰影响因子模型,分析了粉煤灰掺量对混凝土空气渗透系数的影响。
The model of a factor that fly ash effects on carbonation resistance was found, effect of fly ash on the air infiltration coefficient is analyzed.
然而,自那时起两年内,在阿拉巴马州汉斯·维尔的马歇尔航天飞行中心,资金已经到位,而且设计工作已经开始,同时缩尺模型空气动力测试也在进行中。
In the two years since, however, funding has been forthcoming and design work has begun, with aerodynamic testing on scale models under way at the Marshall Space Flight Center in Huntsville, Ala.
根据这一结论改进空气卷吸率计算模型,很大程度上改善了准维模型对瞬变工况的适应性。
According to this conclusion, the air entrainment model and the robustness of quasi-dimensional model has been improved to some extent.
建立了燃料液滴在高温高压空气中燃烧过程的计算模型和数值方法。
The droplet combustion model and numerical method have been established and droplet combustion process has been calculated by using it.
数以百计的压力传感器嵌入到这些模型里,测量起飞和降落期间的空气动力性能。
Hundreds of pressure sensors are embedded in the models to measure aerodynamic performance during takeoff and landing.
通过对火灾时烟气发生量及烟气流场的分析,建立了舞台空气幕计算的数学模型并求数值解。
Based on an analysis of the predicted volume and flow field of the smoke generated in case of fire, sets up a mathematical model and works out its numerical solution.
在此基础上,应建立未确知空气质量模拟模型。
On this basis, an unascertained model of air quality simulation is established.
采用紊流射流理论推出了新的壁面射流计算公式,并在正确描述喷注贯穿的基础上建立了有涡流作用的空气卷吸模型。
The theory of turbulent jet has been employed to induce new formulas for wall jet, and on the base of correct spray penetration, air entrainment model in swirl field has been built.
建立了四种几何尺寸不同的空气通道模型。
Four different geometric dimension models of air passage had been developed.
现在的通常作法是按比例缩小的桥梁模型放在风洞里检测它们的空气动力抵抗力。
It is now common practice to test scale models of Bridges in wind tunnels for aerodynamic resistance.
针对这些问题提出了城市空气质量的回归诊断预报模型。
Thus the regression diagnosis prediction model for city air quality forecasting is proposed.
利用全矢量正交函数模型对空气孔辅助光纤的模式截止特性进行了讨论。
Using full vector orthogonal function model of the auxiliary air hole pattern of cut-off characteristics of optical fiber were discussed.
综述了大气污染物区域环境容量的主要影响因素、用于其计算的空气质量模型以及大气环境容量的研究步骤。
The main affection factors, the atmospheric quality models and the usual computing proceed of the atmospheric pollutant environment capacity of the area were summarized.
当冷空气流经热板模型时,附面层内的干涉条纹发生弯曲。
As soon as the cold air flows along a hot plate model, the interferometric fringes bend inside the boundary layer.
当冷空气流经热板模型时,附面层内的干涉条纹发生弯曲。
As soon as the cold air flows along a hot plate model, the interferometric fringes bend inside the boundary layer.
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