常見例句Some new work on the Cherenkov counting technique and rapid radiochemical analysis has been published. 契連可夫計數(shù)技術(shù)以及快速放化分析方面也有新的工作發(fā)表。The practical technique was provided for the radiochemical synthesis and entiomeric purity of 6 [ 18 F ]fluoro L DOPA. 為 6 [1 8F] L 多巴的放射化學(xué)合成及其對映純度的測定提供了可靠的技術(shù)The specific activities of these productsare 10ci/mmole and their radiochemical purity,more than 98%. 經(jīng)鑒定紫外吸收光譜性質(zhì)與標(biāo)準(zhǔn)樣品一致,比放射性達(dá)10居里/毫克分子,放化純度在98%25以上。NGA was labeled directly with Na99mTcO4. The radiochemical purity of 99mTc-NGA was over 90%. 用直接法制備99mTc-NGA,其放化純大于90%25,且室溫下 可穩(wěn)定6h以上,符合顯像要求。Progress in radiochemical analyses in 40 years since CIRP's founding is described in this paper. 介紹了中國輻射防護(hù)研究院建院40年來放射化學(xué)分析工作的進(jìn)展。At present the enzyme reagents method and radiochemical enzymatic assay were commonly used to detect carnitine. 本研究經(jīng)詳細(xì)的方法學(xué)研究,建立了精漿中游離肉毒堿的柱前紫外衍生高效液相色譜測定方法。 返回 radiochemical