The carbon concentration and isotope composition of ultrahigh pressure eclogite and apatite from the Dabie-Sulu orogen were analyzed by the EA-MS online technique.
应用EA - MS连线技术，对大别山东部和苏鲁地体南部超高压变质榴辉岩及其中的磷灰石进行了碳的含量和同位素分析。
The carbon concentration and isotope composition of ultrahigh pressure eclogite and apatite separate from the Dabie-Sulu orogen were analyzed by the EA-MS online technique.
应用EA MS连线技术，对大别山东部和苏鲁地体南部超高压变质榴辉岩及其中的磷灰石进行了碳的含量和同位素分析。
Oxalic acid was obtained by treating buckwheat husks with dilute nitric acid. Its structure was confirmed with ea, ir and MS analysis.
荞麦皮经稀硝酸处理后，从滤液中得到一种透明的针状晶体。该晶体经元素分析、红外光谱及质谱测定，确认为草酸。
RESULTS The target structure was identified by EA, MS and 1H-NMR.
结果目标物结构经元素分析、质谱、核磁共振氢谱确证。
Results and Conclusion: A total yield was 51.6%. The chemical structure of the title compound was confirmed by EA, 1H-NMR, IR and MS.
结果和结论：目标化合物经元素分析、核磁共振氢谱、红外光谱和质谱确证其化学结构，总收率达51。
Their structures were confirmed by NMR, ir, EA and MS Subsequently, the biological activities of target compounds and some important intermediates were evaluated in the greenhouse.
通过磁共振谱、红外光谱、元素分析和质谱等测试手段对所合成的化合物进行了结构表征，并对目标化合物及部分中间体进行了生物活性测试。
Their structures were confirmed by NMR, ir, EA and MS Subsequently, the biological activities of target compounds and some important intermediates were evaluated in the greenhouse.
通过磁共振谱、红外光谱、元素分析和质谱等测试手段对所合成的化合物进行了结构表征，并对目标化合物及部分中间体进行了生物活性测试。
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