气象条件
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南京SO2、NO2和PM(10)变化特征及其与气象条件的关系
The Variety of Main Air Pollutants Concentration and Its Relationship with Meteorological Condition in Nanjing City
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乌鲁木齐市气象条件与TSP浓度的关系
Relation between meteorological condition and TSP concentration in Urumqi
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如同大多数极端天气状况一样,其剧烈程度是由于几种气象条件反常地汇集在一起造成的。
Like most cases of extreme weather , its severity was due to an unusual confluence of events .
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恶劣气象条件下高速公路NN控制系统的研究
Research of Neural Network control system to expressway on various bad weather conditions
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一种计算不同气象条件下双极HVDC线路离子流场的方法
A Method to Calculate the ion Flow Field of HVDC Transmission Lines Under Various Weather Conditions
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但是,大气中的CO柱总量受到气象条件的重要影响,影响CO柱总量逐日变化和日变化的气象因子主要有大气稳定度、风速和风向等。
However , the variation of CO column amount is closely dependent on meteorological condition , mainly including atmospheric stability , wind speed and wind direction .
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利用Lagrangian烟团模型RIMPUFF预测PWR6事故时相应于稳定和不稳定气象条件下的剂量分布;
A Lagrangian puff model RIM PUFF is used to predict dose distributions under stable and unstable meteorological conditions .
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并对SO2典型日变化趋势、主要污染源以及气象条件对污染物浓度分布的影响进行了分析。
The typical diurnal variation characteristic of SO2 concentration , the main source and the meteorological factors that influence the pollutants were analyzed .
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差分GPS测量技术使用方法简单,试验成功率高,周期短,受气象条件影响小,是导弹火控系统精度试验、真值测量方法的发展方向之一。
It is one of development direction of measuring true value in precision test of missile fire control system , because of its simple usage , short test period and high success probability .
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以黑龙江海伦为研究地点,利用CENTURY模型模拟了自然状态下的黑土在1953-2000年实际气象条件及以此为基础的9种气候变化情景下的土壤有机碳(0~20cm)。
CENTURY model is used to simulate effect of climate change on soil organic carbon ( SOC )( 0 ~ 20 cm ) in Hailun natural grasslands , Heilongjiang province .
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SO2浓度的日变化状况是气象条件日变化和污染源排放量日变化综合影响的结果,分别在早晨和夜间达到最大值,日变化曲线呈现N字型双峰结构;
The diurnal variation of SO2 concentration has the same shape as letter " N " . In morning and midnight SO2 concentration is high , which results from variation of the meteorology and sources .
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分析了气象条件对闽西北烟草普通花叶病(TMV)发生发展的影响。
The influence of meteorological conditions on the occurrence and development of tobacco mosaic virus ( TMV ) in Northeast Fujian is analyzed .
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利用BP神经网络仿真,分析该模型的收敛速度,并辨识其中的参数,为在恶劣气象条件下控制高速公路的交通流奠定理论基础。
The simulation is done by BP neural network , the convergence speed of the model is analyzed , and the parameters are distinguished . The theoretical basis is established for the traffic flow control of expressway under various bad weather conditions .
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结果表明,上甸子本底站地面φ(O3)具有明显的季节变化和日变化规律,并且与同期的气象条件密切相关。
The results show that surface ozone concentration at the background station has clear seasonal and diurnal change rules and has close relationship with local meteorological conditions .
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空载SAR具有提供高分辨率成像的能力,这种能力不受气象条件和太阳照射的限制,其成像范围不受国界、地域和地理自然条件的限制,受到广泛重视。
Spaceborne SAR is a kind of high resolution imaging radar and attracts many attentions , which operates in all-weather , day-or-night . The imaging areas of spaceborne SAR s are not restricted in national boundaries , terrains and natural conditions .
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选择典型的局地环流气象场作为高分辨化学模式的输入场,模拟得到不同气象条件下广州地区地面O3浓度的分布。
The main circulation meteorological fields are chosen as the input field of a high-resolution chemical model . The surface ozone concentration distribution are obtained under different meteorological conditions .
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文中还分析了一个有热带气旋接近本港的个例,论证气象条件对能见度及PM2.5浓度的重要性。
A case study on an event with a tropical cyclone approaching Hong Kong is included to demonstrate the significance of meteorological conditions in determining the visibility and PM2.5 concentration .
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根据三峡工程三期RCC围堰施工过程,以及围堰的施工期及运行期的气象条件,采用有限元方法分析研究其温度场,得到了较好的结果,并提出了切实可行的温控措施。
On the basis of meteorological conditions in construction process and in operation stage later on , the temperature field of RCC cofferdam of TGP is analysed with FEM , a few of useful measures for temperature control are suggested .
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首次结合北京地区的气象条件,绘制出适用于北京地区夏季的四张qEtψ图,为蒸发降温系统的参数设计和调节提供了理论依据。
QEt charts were drawn according to the climate condition at Beijing region .
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根据长治市自然环境、污染现状及气象条件等特征,采用A-P值法和多源模式法,对长治市大气环境容量进行了测算。
Based on the natural environment , polluted condition and meteorological characteristics , the atmospheric environment capacity of the urban area in Changzhi was calculated by using A-P method .
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装有AIS设备的船舶在接收航标设施上AIS信息的同时还收到综合航标信息,能在各种气象条件下远程探测和识别航标。因此,AIS航标有望补充和取代昂贵的雷达应答器。
3 , vessels with the AIS equipments can get comprehensive remark messages while receiving the AIS messages from remark , can long-distance detect and distinguish remark in all kinds of conditions , AIS AtoN may reinforce and replace the expensive Racon .
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对OPGW中光纤所需余长进行探讨,根据施工及周围环境气象条件下所需的光纤余长进行分析计算,为设计、生产OPGW的光纤余长提供理论依据。
The article discusses the optical fiber excess-length of OPGW , calculates the required optical fiber excess-length according to construction and weather Conditions , and provides the theoretic basis of optical fiber excess-length for OPGW design and manufacture .
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利用实验数据,计算得到了大气中水汽(H2O)、CO2的光谱吸收系数,推导了水汽吸收系数与温度、相对湿度之间的关系,给出了在给定气象条件下计算大气透射比的方法。
According to the experimental data , the absorption coefficients of H 2O and CO 2 were calculated . The relationship of H 2O absorption coefficient with the atmosphere temperature and relative humidity were deduced . The method to calculate the atmosphere transmittance was offered under certain meteorological condition .
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利用非静力中尺度数值模式(MM5V2),试验预报辽宁省空气污染气象条件。
Experiment is done to make potential prediction of air pollution in Liaoning Province with non-hydrostatic mesoscale model ( MM5V2 ) with increased levels near the ground .
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并确定聚光集热子系统中传热工质HTF的温度和流量。其次,模拟分析了气象条件、HTF温度和冷却方式对系统性能的影响。
The inlet and outlet temperature and mass flow rate of HTF in solar field were determined . Secondly , the influences of weather conditions , temperature of HTF and cooling methods to system performance were simulated and analyzed .
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以150km射程远程火箭为例,分析了不同高空气象条件对飞行弹道的影响,为远程高空弹箭研究提供了参考。
Taking long-range rocket of 150 km range for example , the effects of different high-altitude meteorologic conditions on trajectory were analyzed . It offers reference for the study of long-range rocket with high-altitude .
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玉米秃尖的气象条件分析
An analysis of meteorological conditions causing bare tip of maize ears
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广东省荔枝生产的气象条件分析和区划
Analysis and Divisions of Meteorological Conditions in Litchi Production in Guangdong
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杭州市酸雨与气象条件的关系
The relations between acid rain and meteorological conditions in Hangzhou City
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慢性支气管炎与气象条件的关系及其预报模型
Relationship Between Chronic Tracheitis and Meteorological Condition and Forecasting Model Established