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cold period中文是什么意思

  • 寒冷期

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  • The results were summarized below : as a whole , the trend of annual average air temperature was descendent in recent 40 years , especially in the 1980 ' s , which was the coldest period
    可得出:重庆岩溶区近40a来年平均气温总体呈变冷趋势,其中80年代为最冷时期。对于年平均气温的降低,贡献最大的是春季和夏季。
  • Ice cores contain evidence that sudden cold periods occurred after the north atlantic became less salty , perhaps because freshwater lakes burst through the walls of glaciers and found their way to the sea
    冰心内的证据显示,北大西洋水体盐度降低后骤冷时期才开始,这或许是由于淡水湖的水冲破冰河筑成的屏障流入海中所致。
  • Additionally , it was the precipitation process of suspended phosphorus that played a relative important role in phosphorus removal in cold periods , and that was adsorption / complexation of dissolved inorganic phosphorus in warm periods
    此外,低温期悬浮磷的沉积作用除磷效率高;高温期溶解无机磷的吸收络合作用除磷效率高。
  • ( 1 ) the winter air temperature in north - east china was in cold period before 1985 , and lowest in 1960 ' s ; were in warm period after 1985 , and got warmest in this period , the catastrophic time is 1986
    研究结果表明: ( 1 )东北冬季气温80年代中期以前处于冷期, 60年代达到低谷, 80年代中期以后处于暖期,并达到49a最高峰, 1986年是由冷转暖的明显突变点。
  • The changes of 14 assemblages reflect 11 paleoclimate evolutioinary stages in this area during the quaternary . in the cold period , the climate was dry and enviroment was deficient of water , therefore , the terrestrial pulmonata was dominant in the gastropod fauna
    本文对北京平原区第四纪软体动物化石进行了初步的研究,建立了14个组合带,反映了本区第四纪时期经历了大约11个古气候演变阶段。
  • Construction ministry " housing project quality guarantees method " made lowest guarantee to housing project the regulation of deadline : among them 1 , foundation foundation project and project of main body construction , to design the reasonable use fixed number of year of this project that the file sets ; 2 , the waterproof project , toilet that has waterproof demand , room mixes the building outside of metope prevent leakage , for 5 years ; 3 , heat addition and supply cold system , for 2 heating period , offer cold period ; 4 , electric cop , to catchment conduit , equipment installation is 2 years ; 5 , decorate a project to be 2 years
    建设部《房屋建筑工程质量保修办法》对房屋建筑工程作了最低保修期限的规定:其中1 、地基基础工程和主体结构工程,为设计文件规定的该工程的合理使用年限; 2 、房屋防水工程、有防水要求的卫生间、房间和外墙面的防渗漏,为5年; 3 、供热与供冷系统,为2个采暖期、供冷期; 4 、电气管线、给排水管道、设备安装为2年; 5 、装修工程为2年。
  • The 40 - 50 years periodic change divides the temperature variation into three main cold and warm vicissitudes of the last 50 years , which include the warm period before mid 1960s , the cold period from later 1960s to 1980s and the warm period after the 1980s ; ( 2 ) the precipitation variations in heilongjiang province have multi - time scale and jump characteristics
    近50年来黑龙江省的气温变化在40 55a尺度上表现为两个暖期和一个冷期,它们分别是60年代中期以前的偏暖期, 60年代后期到80年代的偏冷期和80年代以后的偏暖期:黑龙江省的降水变化也具有多时间尺度特征和突变特征。
  • ( 5 ) since 3100 ab . r , through comprehensive analysis of these proxy climatic substitute indexes indicates : this was a dry and cold period in which the temperature fell the precipitation decreased ; the vegetation may be forest prairie ; human civilization further developed and the human " s influence on the environment was greater in intensity and wider in range
    今,综合多气候代用指标和本期人类活动明显加强情况的分析表明:本期气候再次出现温度降低、降水量减少的变化,在趋于干冷气候条件下,在前期气候较适宜期发育的森林植被发生了退化,当时的植被可能为森林草原或干草原。
  • ( 3 ) 6000 - 5000ab . p , through comprehensive analysis of these proxy climatic substitute indexes indicates : this was a dry and cold period in which the temperature was the lowest and the precipitation was the least ; the vegetation may mainly be forest prairie ; in the early stage of the period appeared yangshao middle culture - the prosperous culture of miaodigou type , and in the late stage there was yangshao late culture - the culture of xiwang village type
    P出现了老官台文化,中后期即本区老官台文化之后,出现了仰韶早期文化。门) 6000 5000ab p ,综合多气候代用指标的分析结果表明:本期气候为全新世以来温度最低、降水量最少的最干冷时期,在这种干冷气候条件下,在前期气候最适宜期发育的森林植被发生了退化,当时的植被可能以森林草原为主。
  • The dry / wet changes of surrounding area of bohai sea during past 500 years are divided into 7 stages , based on dry / wet indexes ( d / w ) of this area from 1470 to 1985 then , the changes of dry / wet spatial types ( d / wst ) and its related dry / wet regional different iation ( d / wrd ) features among different stages are analyzed . the results show that there are 4 main kinds of d / wst in this area , whose notability and spatial distribution features in different stages are apparently different , which reflects , very well , the changing process of the d / wrd of this region in past500 years . further analysis also presents that , in warmer period , the d / wst and the d / wrd patterns are relatively unsteady , meanwhile , the dry / wet changing difference among different parts of the region is relatively great , but , in colder period , it is just on the contrary . however , in the most severely cold period of the little ice age , t he area ' s d / wst and the d / wrd pattern sareveryu nsteady , and its d / wrd extenti salsot he high estin the whole past 500 years
    用研究区1470 1985年的旱涝等级资料,划分了该地区500年来旱涝变化的7个阶段,讨论了不同阶段间旱涝型的变化及其旱涝区域分异意义,结果表明, 500年来研究区有4类主要旱涝型,各型旱涝在不同阶段的重要程度及场型特征均有较大差异,深刻反映了该地区500年来旱涝区域分异特征的变化,通过对500年来旱涝变化与温度变化的对比发现,较温暖期,研究区的旱涝型及旱涝区域分异格局较多变,旱涝变化的区域差异性较大,较寒冷期,旱涝型及区域分异格局较稳定,旱涝变化的区域差异性较小,而在小冰期最寒冷阶段,旱涝型及旱涝区域分异格局的变动十分频繁,旱涝变化的区域差异性亦最大
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