Atmospheric precipitation

A simple depth-cueing method to restore a degraded weather image is suggested,based on the dichromatic atmospheric scattering model developed as shown.

介绍了一种简单的基于二色大气模型的退化天气图像复原方法。

Based on differential absorption method, remote sensing of atmospheric watervapour is discussed in the paper.

中文摘要：本文讨论了利用差分吸收法来遥感大气中的水汽。

In this paper , using the DDA method, after calculating optical characteristics of the difformity aerosol particles, the author gets the relationships of extinction factor and absorption factor of aerosol particles with the changing incident wavelength, combining the Muller scattering matrix, the angular distribution of scattering intensity and polarizability of aerosol particles is given, which provides an efficient approach for the research of atmospheric radiation and transmission.

本文基于DDA方法，对不同形状气溶胶粒子的光学特性进行计算，得到气溶胶粒子的消光因子、吸收因子随波长变化的数值结果。结合Muller散射矩阵，给出了气溶胶粒子散射强度和极化度的角分布，为研究大气辐射传输提供了有效的方法。

It includes:the items and methods of the investigation into motor vehicle exhaust emission; how to calculate the emission factor;how to choose and set the atmospheric pollutants diffuseness model in urban street;how to calculate the quantum of vehicle exhaust emission and the concentration of traffic pollutants diffuseness in street in traffic network,and how to evaluate traffic pollution of traffic network load.

以可持续发展的城市交通规划理念为基拙，探讨了城市交通规划过程中机动车对空气污染的影响进行分析的关键技术：机动车尾气排放的调查内容与调查方法、单车排放因子的确定、城市街道污染物扩散模型的选择和建立、交通网络环境条件下机动车尾气排放量和街道污染物扩散浓度的计算及交通网络负荷条件下交通污染评价。

The model is run under the idealized conditions resresenting for the sea-ice diploe in the Okhotsk Sea and the Bering Sea, and the atmospheric forcing is from the data of the winter months i.

参考已有的理论和模拟研究结果，指出高纬地区低空大气的温度变化受直接热力学调整过程的影响明显，对称性响应分量明显，而高层大气温度和各层的大气位势高度变化是由直接热力学调整和间接动力过程响应所共同控制，非对称分量占主导。

A machine or device, such as an airplane, a helicopter, a glider, or a dirigible, that is capable of atmospheric flight.

飞机；航空器能够在空中飞行的机器或装置，如飞机、直升机、滑翔机或飞船

Preliminary orbital computations by the Minor Planet Center suggested an atmospheric entry of this object within a day of discovery.

作为国际小行星中心所在地的哈佛史密松天体物理中心昨天表示，北京时间今天上午10：46，小行星2008 TC3与地球相撞的概率可达99.8%-100

Furthermore, the disproportionation of MPC into DPC under atmospheric-vacuum condition was studied.

此外，本文还考察了常减压条件下MPC的歧化反应。

The diurnal variation of atmospheric DMS was discussed in paper.

文中还初步探讨了大气DMS的日变化情况。

And the drift velocity and the average energy of electron in air are computed. The results obtained in this work will be of great importance to the research of discharges in atmosphere including dielectric barrier discharge at atmospheric pressure.

通过模拟在大气常温下O_2、N_2及O_2／N_2的直流放电过程，所得结果对进一步了解大气常温下直流放电动力学的机理具有重要意义，对大气常温下介质阻挡放电研究也具有一定的参考价值。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。