neutron activation 中文意思是什麼
-
Neutron activation analysis for uranium in soil may delineate structures.
用中子活化分析測定土壤中的鈾以圈定構造。 -
Neutron activation or chemical analysis for uranium are used as a follow-up.
中子活化分析和化學分析鈾可作為進一步追索的方法。 -
Test method for oxygen content using a 14 - mev neutron activation and direct - counting technique
使用14兆電子伏特的中子活化和直接計數技術測定含氧量的試驗方法 -
Abstract : according to the observation of the number concentration spectrum and the mass concentration of atmospheric aerosol, tsp and its particle size distribution, micrometeorology, and the solar spectroscopic radiation, even the neutron activation treatment of sand dust samples in helan mountainous area, the formation law of sandstrom, dust and sand blowing weather and the characteristics of climatic variation in this area and the influence of helan mountain are counted and analysed
文摘:利用賀蘭山地區沙塵暴歷史資料和綜合觀測資料，對大氣背景、浮塵、揚沙和沙塵暴發生期間的大氣氣溶膠數濃度譜、質量譜、大氣總懸浮顆粒（ tsp ）及粒徑分佈、微氣象、分光日射觀測以及沙塵樣品進行中子活化處理，分析了該地區浮塵、揚沙和沙塵暴形成規律，氣候變化特徵和賀蘭山的影響。 -
According to the observation of the number concentration spectrum and the mass concentration of atmospheric aerosol, tsp and its particle size distribution, micrometeorology, and the solar spectroscopic radiation, even the neutron activation treatment of sand dust samples in helan mountainous area, the formation law of sandstrom, dust and sand blowing weather and the characteristics of climatic variation in this area and the influence of helan mountain are counted and analysed
利用賀蘭山地區沙塵暴歷史資料和綜合觀測資料，對大氣背景、浮塵、揚沙和沙塵暴發生期間的大氣氣溶膠數濃度譜、質量譜、大氣總懸浮顆粒（ tsp ）及粒徑分佈、微氣象、分光日射觀測以及沙塵樣品進行中子活化處理，分析了該地區浮塵、揚沙和沙塵暴形成規律，氣候變化特徵和賀蘭山的影響。 -
These are far outweighed by the benefits of the neutron activation method.
中子活化分析的好處是遠遠超過它們的。 -
Undertaking isotopic geochronological study on ar - ar, adopted the fast - neutron activation dating technique to test 40ar - 39ar age of quartz from au - bering quartz veinlet ore in the deposit, and well - defined plateau age of 210. 59 ma ?. 92 ma, the lowest apparent age of 208. 07 ma ?. 22 ma, and isochron age of 207. 14 ma ? 1. 92 ma
通過流體包裹體顯微測溫學研究，表明金礦床的均一溫度成礦早階段為270 320 ，成礦主階段為170 250 ，成礦晚階段為110 250 ，呈逐漸降低的趨勢，低溫成礦作用明顯。 -
This paper deals mainly with the extraction of geological and hydrogeological information from deep strata through the comparative analysis of major elements, minor elements and trace elements in rocks and in relics of dried fountains by means of neutron activation analysis ( naa )
摘要利用中子活化測試結果，對巖石及泉水乾涸殘餘物中常量及微量元素的進行分析對比，以?解深層巖體有關的地質與水文地質信息。 -
Rare earth elements ; chloroplasts ; neutron activation analysis
稀土元素葉綠體中子活化分析 -
Neutron activation analysis
中子活化分析 -
Determination of trace elements in rape chloroplasts by neutron activation analysis
中子活化分析測定油菜葉綠體中的微量元素 -
Determination of trace elements in carbonate rocks by mnsr neutron activation analysis
微堆中子活化分析測定碳酸鹽巖中痕量元素 -
Neutron fluence measurement - part 2 : fast - neutron fluence determination with iron activation detectors
中子注量測量.第2部分:用鐵活化探測器測定快中子注量 -
This paper describes the principle of neutron yield measurement with icf activation taking example for cu 、 - coincidence counting system based on pxi, software configuration and function, the counting method of neutron yield and the calibration coefficient
摘要以銅為例介紹了中子產額活化法測量的原理、基於pxi的-符合計數系統、軟體結構和功能、中子產額的計算與實驗刻度因子標定等，最後結合實驗測試結果對系統性能進行了分析。 -
Simulation of the - coincidence detection efficiency in activation measurment for neutron yield
符合探測效率的模擬計算 -
Neutron yield measurement system with icf activation based on pxi
活化法中子產額測量系統 -
Determination of rare earth elements in chloroplasts by neutron activation analysis
中子活化法研究葉綠體中的稀土元素 -
With broad application of the method of neutron activation and chemical - spectral analysis, the accuracy of analysis has greatly improved ( up to 0. 01 10 ^ ( - 9 ) )
隨著中子活化法和化學光譜法的廣泛應用，分析精度有了大幅度提高（可達0 . 01 10 ^ （ - 9 ） ） 。 -
The contents of 8 rare earth elements in chloroplasts of brassia napus were determined by instrumental neutron activation analysis. the results indicated that there were trace amounts of rees in the chloroplasts, which corresponded to 1 atom of rees per 2000 chlorophyll molecules. this content was lower than the microelements already known essential for the process of photosynthesis such as fe, mn and cu
用中子活化分析測定了油菜葉綠體中的稀土元素含量。結果表明葉綠體中含有微量稀土，其含量相當于每個稀土原子對應約2000個葉綠素分子，低於fe ， mn ， cu等必需元素。 -
The enriched stable isotope tracer technique combined with neutron activation analysis and differential centrifugation was utilized to investigate the subcellular distribution of rare earth elements sm and yb in rat liver
Sm和， sup 168 yb作為示蹤劑，結合差速離心分離和中子活化分析技術naa初步研究了稀土元素sm和yb在大鼠肝臟亞細胞組分中的分佈。
分享友人