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- The catalytic gas liquid isotope exchange reaction is a good method to prepare tritiated triptolid. 采用催化气液同位素交换法制备了氚化雷公藤甲素,探讨了反应时间和反应介质对反应产额的影响。
- For this purpose, we have investigated the isotope exchange process for the trace recovery from the imitative residue of the alloy. 利用同位素交换法对模拟液态锂铅合金残渣中的微量氚进行回收。
- KINETICS OF ~(14)C ISOTOPE EXCHANGE BETWEEN HCOONa AND NaH~(14)CO_3 碳酸氢钠和甲酸钠之间~(14)C交换反应动力学
- The 18O shift may indi-cate the isotopic exchange between water and rocks and the relict of co-diagenetic formation water. ~(18)O漂移可能表明水与岩石发生了氧同位素交换,也可能有少量同生沉积水残存。
- Do you accept foreign exchange certificate? 你们接受外汇券兑换券吗？
- Trading on the Stock Exchange was light today. 证券交易所今日交投平平。
- A radioactive isotope of carbon, especially carbon 14. 放射性碳碳的一种放射性同位素，尤指碳14。
- A soldier was wounded in the exchange. 一名士兵在交火中受伤。
- He gave me an apple in exchange of an orange. 他给我一个苹果，交换一个橙子。
- Each telephone served by a private branch exchange. 由专用小交换机提供服务的电话分机。
- By just exchange one for another giver. 就这样以心相许相与。
- The London Stock Exchange is in turmoil today. 今天伦敦证券市场一片混乱。
- Influence of Packing Material and Method on the Efficiency of Liquid Phase Water-Hydrogen Isotope Exchange 填料及填装工艺对水-氢同位素液相催化交换效率的影响
- Keep this exchange memo for reconversion into foreign currency. 保存好这张兑换水单以便兑换回外币。
- Is five apples for five eggs a fair exchange? 用五个苹果换五个鸡蛋公平吗?
- The New York stock exchange crashed in1929. 纽约股票交易所于一九二九年大崩溃。
- The hydrogen and oxygen isotope exchange kinetic and its geological significance 氢氧同位素交换动力学及其地质意义
- I'd like to exchange some pounds for dollars. 我想把一些英镑兑换成美金。
- The symbol for the isotope deuterium. 氘的化学符号同位素氘的符号
- An exchange of opinions is helpful. 相互交换意见是有益的。
