past precipitation 中文意思是什麼

past precipitation 解釋
前期降水量
  • past : adj 1 過去的;完了的。2 剛過去的,上(月、星期等),前(…年)。3 前任的;曾任的;老練的。4 【語法...
  • precipitation : n. 1. 猛然摔下,落下。2. 猛沖;急躁,輕率,魯莽。3. 【化學】沉澱(作用);降雨(量);(雨、雪等的)降落。
  1. This enzyme was different with the ones reported in the past. a phosphatase was isolated from the chloroplast thylakoid membrane of ipomoea aquatica, by nacl extration, ammonium sulfate precipitation, ion - exchange chromatography and hydrophic chromatography through butyl - toyopearl 650m column

    使用nacl抽提、硫酸銨分步沉澱、離子交換和butyl - toyopearl650m疏水柱層析等方法,從蕹菜葉綠體類囊體膜中分離純化到一種蛋白磷酸酯酶。
  2. Both the annual banding growth rate curve and grey level curve show the evolution processes of the precipitation over the past 2000 years this region and that divide into seven dry / wet cycles

    石筍紋層厚度和灰度曲線比較清晰地揭示了本區過去2000年降水演化過程,可劃分7個干濕旋迴。
  3. By comparing i8o curve with annual growth rate and grey level curve in the stalagmite during the same period, the author brings forward that that climate in shennongjia region mostly embodies matching modes of warm / wet, cold / dry over the past 2000 years, but temperature was out of harmony with precipitation in the course of climate transforming, which shows that shennongjia climate embodies matching modes of cold / wet, warm / dry at part period of time

    近2000年中17次太陽活動和1400aad以來29次火山活動對氣候變化影響的印跡在石筍氧同位素中都有明顯的記錄,表明氣候事件與太陽活動、火山活動有較好的相關性。石筍各代用指標譜分析顯示126a 、 100a 、 81a 、 60a 、 40a 、 22a 、 11a等周期成分,也進一步支持了太陽活動對季風區短尺度氣候變化的驅動作用。
  4. By utilizing the data on agricultural drought disaster and precipitation in past 50 years in shandong province, the characteristics of agricultural disaster and variation features of hazard - formative factors are analyzed

    摘要利用山東省近50多年的農業旱災災情資料和降水資料,分析了乾旱災情和致災因子的變化特徵。
  5. On the basis of the study and combining the meteorological statislics of the past 13 years ( 1988 2000 ) of the beijing area, we submit a plan of turf irrigation for consideration to the beijing turf management and sewage effluent irrigation office, together with data of soil moisture and water consumption in three different annual precipitation conditions

    在此基礎上,結合北京地區的有關氣象資料,初步分析制定了不同降雨年型草坪污水灌溉制度,為北京市城市草坪污水灌溉管理提供參考依據。
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