查询词典 on the wind

The wind measure of the wind farm is very important. This thesis can offer relevant theory analysis and technical support for this. And on the follow-up study of this subject , there are the following suggestions:(1) In the multi-layer wind tower , an anemometer at 50 meters'must be install, in order to improve the precision of assessment of the new method further.

为了更好的开展本课题的后续工作，作者提出如下建议：(1)在测风塔安装的多层风速仪中，一定要安装50米高度处的风速仪，为进一步修正新方法的估计精度打好基础。

On the basis of the data obtained from the field observations and wind-tunnel modelling, the calculations and comparisons on probability distribution and density, linear correlation analysis of time series, conditional probability density and so on of wind speeds and directions between various sites are made with the aid of statistical analysis of time series, and changes of these variables with height and representativeness of observation period of meteorological data are also discussed.

本文以现场气象观测和风洞模拟实验数据为基础，通过对时间序列进行的统计分析，计算和比较了各个厂址风速、风向的概率分布、概率密度、时间序列线性相关分析、条件概率密度等，还对它们随高度的变化情况、观测时段代表性等问题进行了讨论。

The non-stationary index of automobiles\' supporting force response under side wind is analyzed, which confirms the reasonableness of stationary assumption in dynamic reliability analysis.Thirdly, joint distribution of wind speed and wind direction is established based on the extensive extreme value distribution, which is used for reliability analysis of bridge traffic safety.

其次提供了Fourier变换识别抖振响应频谱失真的实例，采用Hilbert-Huang变换分析桥梁抖振响应的时频特性，从结构动力学角度探讨了响应非平稳性的原因，从风工程的角度探讨HHT变换分量的物理意义，并分析侧风作用下桥上汽车支撑力响应的非平稳指标，为动力可靠度分析中平稳性假定的合理性提供必要的论证。

This article develops the study on along-wind equivalent wind load of transmission tower based on LRC method.

6发展了基于荷载响应相关法的输电塔顺风向的等效风荷载研究。

First of all, this paper establishes the simulation method for fluctuating wind with a multivariate normal distribution model and an autoregressive filter. On the basis of simulation results of the wind field, the time dispersion of the buffeting forces by turbulent wind is achieved.

首先，本文利用多变量正态分布模型并结合线性滤波法的自回归模型建立了脉动风的仿真模拟方法，从而实现了对紊流抖振力的时间离散。

The entire proletariat prosperous Si area has the differentcommon charm - weather because of the extremely rich change cloudyclear not to decide, warm wind genial, cold wind wild, topographyunconstrained fluctuation, plain broad, mountain ridges precipitous,lonely canyon, the desolate old castle, winds the sierra and is livelycan - all deduct ten thousand kind of characters and styles in on thisFrance's earth. During 7-8 month aspic blooms against the wind,浓艳the color decoration Paris green mountain valley, slightly the pungentfragrance mixes is being exposed to the sun the burnt green grass tobe fragrant, interweaves south France most the unforgettable breath.

整个普罗旺斯地区因极富变化而拥有不同寻常的魅力--天气阴晴不定，暖风和煦，冷风狂野，地势跌宕起伏，平原广阔，峰岭险峻，寂寞的峡谷，苍凉的古堡，蜿蜒的山脉和活泼的都会--全都在这片法国的大地上演绎万种风情。7-8月间的薰衣草迎风绽放，浓艳的色彩装饰翠绿的山谷，微微辛辣的香味混合着被晒焦的青草芬芳，交织成法国南部最令人难忘的气息。

The relationships between wind field at low level and convection activities over the South China Sea are investigated based on pentad wind and OLR data from NCEP. The onset time and intensity of SCS summer monsoon are determined by area-averaged zonal wind component over central and south SCS. So we possess long-term time sequence of SCS summer monsoon activities for the period of 1949～1998. Interannual and interdecadal variations are examined by using this time series.

利用NCEP风场资料和候平均向外长波辐射资料分析了南海区域低层风场与对流活动的关系，在此基础上，采用南海中南部的纬向风平均值来定义南海夏季风的爆发，确定了长序列（1949～1998）的南海夏季风爆发日期和强度指数，并研究南海夏季风活动的年际和年代际变化特征。

Under low wind , the effect of wind on the evaporation of diesel is evident and becomes inevident when the wind becomes faster than 1m/s.

而轻柴油风速较小时，受第三步即挥发分子从边界层向环境迁移的影响明显，而大于1m/s的风的影响程度减弱。

A test of wind pressure distribution on the New Control Tower of Beijing Airport has carried out.The wind pressure coefficients of mean,maximum and minimum values,as well as wind pressures of 50 and 100 year retune period with both 10 minute and 3 second time averages have been obtained and the top 8 values have been presented.

对某机场塔台模型，在模拟的大气边界层风场中进行了刚性模型测压试验，得到了这一结构的平均风压系数、最大和最小风压系数分布以及对应于 5 0年和 1 0 0年重现期的 3s及1 0min平均的风压值。

To discuss the mechanism of controlling soil erosion by wind with standing crop stubble, combined the wind tunnel experiment with field experiment, the influence of soil erosion by wind on standing crop stubble under no-tillage practices was analyzed.

为了探讨直立作物残茬防治农田土壤风蚀发生的机理，该文利用风洞试验和野外观测相结合的方法，分析土壤免耕条件下直立作物残茬对农田土壤风蚀的影响。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。