element tracer 中文意思是什麼

element tracer 解釋
示蹤元素
  • element : n 1 要素；成分；（構成）部分；分子。2 【化學】元素；【數學】元，素；【機械工程】單元；單體；【無...
  • tracer : n. 追蹤者；追蹤物，示跡劑；描摹者；描圖員；描記器；畫線筆，尖筆；航跡自畫器；失物追查員；失單；【物理學】示跡物；曳光劑；【軍事】曳光彈；【醫學】探針。 a tracer atom 示跡原子。
  1. The high - order finite element methods are used to obtain high accurate solutions of the steady flows. characteristics of the chaotic mixing are analyzed by numerical simulation and experiment through examining of the asymptotic coverage of a passive tracer

    數值模擬採用高階有限元獲得高精度的流場，計算周期和非周期混沌混合中的染色液滴對流圖案和實驗進行比較。
  2. Soil erosion and nutrient losses in jiangjiatang watershed in lanxi city in zhejiang province during exploitation was studied from 1993 - 2000 using adoptive research methods such as runoff plot, catchment area, and rare earth element tracer ( eu ), and the soil fertility index appraisal. the major conclusions are as follow : 1. the principle of water and soil losses together with nutrients and the forms in which they were lost were studied under different fanning systems in runoff plot

    本研究選擇浙江省中部金衢盆地邊緣蘭溪市水土保持監督站蔣家塘小流域為研究試驗點，以協作單位蘭溪市水土保持監督站小流域開發試驗區為基礎，採用坡面徑流小區法、單源匯水試驗區出口實測法、穩定性核素- eu土芯示蹤法研究了2000年坡耕地不同農作措施水土流失規律及養分流失規律和小流域綜合開發過程中水土流失規律及養分流失規律，並對小流域侵蝕土壤的肥力現狀進行評價。
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