1) seasonal morph
季节多型
3) Seasonal model
季节模型
1.
Study on Seasonal Model of Time Charter and Voyage Charter in International Dry Bulk Transportation;
最后,对国际干散货航运市场三个子市场的程租运费率、一年期和三年期期租租金率建立季节模型,以研究它们的季节特征。
4) seasonal species
季节型
1.
The water bird avifauna of the research area is composed of 9 orders,20 families and 140 species,the dominant geographical composition of the water bird avifauna is the Palearctic realm,the main seasonal species compositions of the avifauna are winter visitors and travelers,and the dominant life sp.
研究区共有水禽9目20科140种,区系的地理成分以古北界鸟类占绝对优势,季节型成分以冬候鸟和旅鸟为主,生活型成分以涉禽为主;在不同季节研究区水禽的优势种群不同,夏季鸥科和鹭科为优势种群,春、秋季鴴科、鹬科、鹭科为优势种群,冬季雁鸭类、鸥科为优势种群。
5) season model
季节模型
1.
Based on the theory of season model,different mathematic models were established to study the number of bronchitis each month.
基于季节模型的理论,通过建立不同的数学模型研究每月支气管炎发病人数。
2.
Based on the theory of season model,through the established different mathematic models,the number of nephritis cases each month is studied.
基于季节模型的理论,通过建立不同的数学模型,研究每月肾炎发病人数,通过EViews软件对青海海西州地区肾炎发病例监测登记资料进行统计分析,并对原数据进行季节调整,剔除季节波动,排除了季节因素的干扰,同时利用不同的数学模型对原数据进行预测,观察每月肾炎发病人数的发展趋势。
6) seasonal ARIMA model
季节ARIMA模型
1.
Study of electricity sales forecasting for North China Power Grid based on seasonal ARIMA model
基于季节ARIMA模型的华北电网售电量预测研究
2.
In order to improve the accuracy of seasonal highway traffic volume forecasting,a general expression of seasonal ARIMA model with periodicity was presented based on the normal ARIMA model,and then the procedures of modeling and forecasting via seasonal ARIMA model were provided.
与三个常用季节预测模型:分组回归模型、可变季节指数预测模型和季节周期回归模型相比,季节ARIMA模型的预测精度最高。
3.
A seasonal ARIMA model was used to simulate the time series of Lianyungang coastal SST based on the monthly SST from 1996 to 2007,and the optimal model ARIMA(1,0,1)(0,1,0)12 was finally established with its structure determined according to the criteria of residual un-correlation and concision.
基于1996—2007年逐月时间序列数据,采用季节ARIMA模型对连云港近海表层水温时间序列进行模拟,并依据残差不相关和简洁性原则确定模型的结构,建立最优预测模型ARIMA(1,0,1)(0,1,0)12。
补充资料：多苯基多亚甲基多异氰酸酯
多苯基多亚甲基多异氰酸酯，简称PAPI，或称粗MDI，浅黄色至褐色粘稠液体．有刺激性气味。相对密度(20℃／20 ℃)1．2，燃点218℃。PAPI实际上是由50％MDI与50％官能度大于2以上的多异氰酸酯组成的混合物。升温时能发生自聚作用。溶于氯苯、邻二氯苯、甲苯等。PAPI的活性低，蒸气压低，只是TDI的百分之一，故毒性很低。
用于制造聚氨脂胶粘剂。也可直接加入橡胶胶粘剂中，改善橡胶与尼龙或聚酯线的粘接性能。贮存于阴凉、通风、干燥的库房内，远离火种、热源。严格防水、防潮，避免光照。
用于制造聚氨脂胶粘剂。也可直接加入橡胶胶粘剂中，改善橡胶与尼龙或聚酯线的粘接性能。贮存于阴凉、通风、干燥的库房内，远离火种、热源。严格防水、防潮，避免光照。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条