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带有溴基团的结构与尿嘧啶相似。Structure resembles uracil with an attached bromine group.

建立了尿嘧啶的薄层扫描测定方法。TLC Scanning method for the detection and quality control of Uracil is established.

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阐述尿嘧啶修复系统修复的主要步骤,并列出这一修复系统所需要的酶。Diagram the steps executed in the uracil repair system that are UNIQUE to this repair system.

为转化液中尿嘧啶含量控制提供了一个简便、迅速、微量、准确的方法。A sample, quick, micro and accurate method for controlling the quality of Uracil in transformation is presented.

最后,我们研究了甲基化对脲嘧啶单体以及腺嘌呤-脲嘧啶碱基对的影响情况。In the end, the effects of methylation on the properties of uracil and adenine-uracil base pair have been investigated.

文中对尿嘧啶及其5位卤代衍生物的常规和表面增强拉曼光谱进行了观察和比较。Normal Raman and surface-enhanced Raman Scattering Spectroscopy of uracil and 5-halide uracils have been obtained and compared.

阐述尿嘧啶修复系统修复的主要步骤,并列出这一修复系统所需要的酶。Diagram the steps executed in the uracil repair system that are UNIQUE to this repair system. Provide names for the enzymes used.

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目的建立一种高效液相色谱法测定复方替加氟胶囊含量及其溶出度。OBJECTIVE A HPLC method was established for the determination of tegafur and uracil in compound tegafur capsules and its dissolution.

本文致力于微波辐射下无环核苷、8-溴腺苷衍生物和5-碘尿嘧啶衍生物的设计与绿色合成。In this paper, we have devoted our efforts to design and prepare acyclic nucleosides, 8-bromo adenosine derivatives and 5-iodo uracil derivatives.

动物实验证明,尿嘧啶和尿嘧啶核苷对实验性肌强直症小鼠血清醛缩酶有降低作用。Animal experiments demonstrated that uracil and uridine were capabie of lowering the elevated serum aldolase level of mice suffering from experimental myotonia.

它的结构与肿瘤细胞代谢所必需的尿嘧啶相类似,在同一系统酶中互相竞争,阻断代谢环节,阻碍DNA的合成,从而抑制肿瘤细胞的增殖。It contents with uracil in the same enzyme system, blocks the metabolic link, impedes the synthesis of DNA, and then prohibits the propagation of the cancer cells.

应用示踪法和体外培养技术,研究了桑蚕幼虫中肠各部位对亮氨酸和尿嘧啶吸收作用的差异。The differences between the absorption of leucine and uracil by various parts of mid-gut of silkworm larva were studied, using trace method and culture in vitro technique. During in vitro.

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DPD是尿嘧啶和胸腺嘧啶分解过程中的第一限速酶,可降低用于DNA合成的尿嘧啶和胸腺嘧啶的水平而影响DNA的合成。DPD is the first rate-limiting enzyme in the catabolism of uracil and thymine, and affects DNA synthesis by decreasing the level of uracil and thymine, the necessary material for DNA synthesis.