示蹤化學劑 的英文怎麼說

中文拼音 [shìzōnghuàxuéjì]
示蹤化學劑 英文
tracer chemical
  • 示 : Ⅰ動詞（擺出或指出使人知道; 表明） show; indicate; signify; instruct; notify Ⅱ名詞1 [書面語] （給...
  • 蹤 : 名詞（腳印; 蹤跡） footprint; track; trace; trail
  • 學 : Ⅰ動詞1 （學習） study; learn 2 （模仿） imitate; mimic Ⅱ名詞1 （學問） learning; knowledge 2 （學...
  • 劑 : Ⅰ名詞1 （藥劑; 制劑） a pharmaceutical or other chemical preparation 2 （某些有化學作用的物品） a...
  1. The global change study is one of the most spectacular and interesting environment scientific questions in the 1990 s. the message of global change stores in tree rings, ice core, loess, underground water, lake sediment and deep sea sediment, all these proxies record the information of global change. with the advances in stable isotope techniques, the isotopic tracer records the message of climatic variation and becomes a powerful tool that can understand paleoenvironment reconstruction and modern environment changing

    全球變化研究是90年代以來最為引人注目和關切的環境科學問題之一。全球環境變化的信息儲存於樹輪湖泊冰芯黃土地下水和海洋沉積物等載體中，隨著穩定同位素技術的發展，同位素示蹤劑指示環境變化的信息，成為了解古環境再造和現代環境信息變化的一個強有力的工具。
  2. New tracers and their analysis methods, new developments on the interpretation of tracer response and new concepts & methods contributed on tracer methodology. since 1980s, interwell radiotracer test has gained rapid development. the main reasons are radiotracers has the advancetages of high sensitivity, wide selectivity and no chemical contamination on the reservoir

    自上世紀八十年代以來，放射性井間示蹤測試在國際上得到了很大的發展，主要是因為放射性示蹤劑具有種類多、檢測靈敏度高、並且對油藏不產生化學污染等優點。
  3. Measurement of liquid flow in open channels. tracer dilution methods for the measurement of steady flow. part 3 : chemical tracers

    明渠流體流量的測量.測量穩流用的示蹤稀釋法.第3部分:化學示蹤劑
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