WIND POLLUTION INDEX AND WIND POLLUTION FREQUENCY——A CLIMATOLOGICAL PROBIEM IN URBAN PLANNING 来自 知网 喜欢 0 阅读量: 33 作者: J Zhang 摘要: The prevailing wind principle has long been adopted by urban planners, especially in the master plan stage. According to the principle, districts of ...
a whole-process and comprehensive foreign trade service platform. It provides one-stop foreign trade service for enterprises, including customs clearance, commodity inspection, logistics, foreign exchange settlement, insurance, financing, training, exhibition services, taxation norms, etc. Through a ...
The wind chill factor can not lower a temperature below the current air temperature, but instead it speeds up the decrease in temperature proportional the speed of the wind Both the Old model for calculating the Wind Chill Factor, pre-2001 formula, and the New Wind Chill Index devised by ...
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sql=sprintf('select %s from positions_history where left(productCode,5)=%d order by tradingDay',Index,FundCodeValue); cursorA=exec(conn,sql); cursorA=fetch(cursorA); allInst=cursorA.Data; close(cursorA); %% 保留‘600’、‘601’、‘603’、‘000’、‘002’和‘300’打头的股票部分 ...
Seasonal variation in a-index on average (1963-2003) is ~4 nT and consists of ~2.1-2.3 nT of magnetospheric/ionospheric part, 0.6-1.3 nT of heliospheric part (including 0.2-0.3 nT of R-M effect), 0.1-0.4 nT is due to the non-linear term. 90% confidence range of all estimates is ...
All ordered containers provide stateful iterators and some of them allow enumerable functions. DataStructureOrderedIteratorEnumerableReferenced by Lists ArrayList yes yes* yes index SinglyLinkedList yes yes yes index DoublyLinkedList yes yes* yes index Sets HashSet no no no index TreeSet yes yes* ...
stock_df=pd.DataFrame(all_result_list,columns=cols_name).set_index('STATIS_DATE') #画图 fig, ax = plt.subplots()#定义画布 ax.plot(stock_df.index,stock_df['000001SZ'],label='平安银行')#绘制收盘价曲线图 ax.plot(stock_df.index,stock_df['000002SZ'],label='万科A') ...
All products Industrialisation of wind power industry Today, the wind energy sector is one of the fasted growing sources of electricities worldwide. Therefore, the wind industry faces the challenge of meeting increasing profitability requirements. This means that modern and future-proof plants must ...
Integro-cross-correlational analysis with a floating averaging period showed that the maximum pair correlation is observed for all parameters for the averaging period of the order of one year. The attempt of complex simulation and forecast of annual smoothed values of the parameters with the use of...