precipitation test 中文意思是什麼

precipitation test 解釋
沉澱試驗
  • 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。
  • test : n 1 檢驗，檢查；考查；測驗；考試；考驗。2 檢驗用品；試金石；【化學】試藥；（判斷的）標準。3 【化...
  1. The effects of various additives elements and doping methods on foam nickel electrode ' s performance were studied using constant current charge - discharge test. we compared two doping methods : mechanical mixing doping and chemical co - precipitation doping

    利用恆流充放電實驗等電化學測試方法研究了不同摻雜元素及摻雜方式對泡沫鎳電極的影響作用，對機械混合摻雜和化學共沉積摻雜進行了比較。
  2. In the study of quantitative forecast models, composition analysis for three different time series are firstly investigated by statistic test methods. the conclusions are as follows : there is no evident tendency for above three series, and evident periodicity exist only in precipitation series

    在定量預測模型研究中，先對三個不同系列進行時間系列的組成分析，結果表明：三個系列均無趨勢存在，降水量系列有明顯周期存在，但年最高潮位系列無周期。
  3. Based on the analysis of crop structure and crop yield according to the statistic data in 1949 ~ 2000 year. the total water consumption of main crops and the amount of rainwater utilized have been calculated. the rapid increase in water demand for crops production after the late eighties is the one of main reasons of the water resources crisis in baoding area. the efficient precipitation, the water demand and the deficiencies of main crops in different typical years and in different growth period in baoding plain have been studied in detail. the factors of water use efficiency of different crops have been put forward through the analysis of test data in typical year

    本文利用保定市1949 2000年主要農作物的種植面積與產量統計資料，在分析了歷年種植結構變化、單產變化的基礎上，明確了歷年糧食總產變化情況，計算了歷年糧食生產的總需水量及其變化；根據農作物的雨水資源的變化規律，分析了歷年用於糧食生產的有效降水量；得出了保定市農業用水量從90年代中後期大幅度增加而有效降雨量的明顯減小，是造成保定市水資源供需矛盾突出的主要原因之一。
  4. Standard test method for shake extraction of mining waste by the synthetic precipitation leaching procedure

    通過合成沉澱漓濾過程對采礦廢物的搖混提取的標準試驗方法
  5. The test results have showed that the w - cu powder produced by the homogeneous precipitation process has a near spherical shape, a particle size ranging from 50 to 200nm and a uniform distribution of w and cu gradients

    研究結果表明，均相沉澱法制備的w - 30wt . cu復合粉末顆粒明顯呈球狀， w 、 cu組分呈均勻、彌散分佈，透射電鏡觀測顯示其粒徑范圍在50 - 200nm之間，為超細粉體。
  6. A method is brought forward to identify the dry and flood years for precipitation during september to november in global and large scale areas. the way to test the method is also given

    提出了利用降水距平指數和旱澇面積指數對全球及大尺度區域9 - 11月進行旱澇年的劃分，以及蒙特卡羅檢驗方法。
  7. Standard test methods for determining the compatibility of resin solvent mixtures by precipitation temperature cloud point

    用沉降溫度測定樹脂溶劑混合物兼容性的標準試驗方法
  8. 05. 01 test method for precipitation number of lubricating oils

    潤滑油沉澱值測試方法
  9. Standard test method for precipitation number of lubricating oils

    潤滑油的沉澱值標準試驗方法
  10. Spf chicken - agar gel precipitation test

    Spf雞瓊脂擴散試驗
  11. Test methods for oxygen precipitation characterization of silicon wafers by measurement of interstitial oxygen reduction

    通過測量間隙氧含量的減少表徵矽片氧沉澱特性的方法
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