1.
Thymine or thymine nucleotide concentration was all disqulified.
胸腺嘧啶或胸腺嘧啶核苷均不合格。
2.
The other two, thymine and cytosine, are single ring structures called pyrimidines.
另两个为胸腺嘧啶和胞嘧啶，即称为嘧啶的单环结构。
3.
The most abundant bases are cytosine, thiamine, and uracil (pyrimidines) and adenine and guanine (purines).
最丰富的碱基是胞嘧啶，胸腺嘧啶，尿嘧啶，腺嘌呤和鸟嘌呤。
4.
AP endonuclease
脱嘌呤嘧啶内切核酸酶
5.
thymidylic acid
胸腺嘧啶脱氧核苷酸
6.
dichloropyrimidine dye
二氯嘧啶染料（含二氯嘧啶活性基团的活性染料）
7.
The substitution of a purine for a pyrimidine, or vice versa is a transversion.
嘌呤为嘧啶取代或嘧啶为嘌呤所取代，叫做颠换。
8.
There are just four kinds: adenine, thymine, guanine and cytosine.
只有4种：腺嘌呤、胸腺嘧啶、鸟嘌呤和胞核嘧啶。
9.
There are four types of nucleic acid, adenine, cytosine, guanine, and thymine*.
有四种类型的核酸——腺嘌呤、核嘧啶、嘌呤、胸腺嘧啶。
10.
Studies on Synthesis and Properties of Thienopyrimidine and Pyridopyrimidine Derivatives
噻吩并嘧啶及吡啶并嘧啶衍生物的合成与性质研究
11.
A pyrimidine base, C4H5N3O, that is an essential constituent of RNA and DNA.
胞核嘧啶一种嘧啶碱基，C4H5N3O，是核糖核酸和脱氧核糖核酸的基本成分
12.
cytosar HCL. vial
注射用盐酸阿糖胞苷（阿糖胞嘧啶,胞嘧啶阿拉拍糖甙,爱力生）
13.
Uracil-- a pyrimidine found in RNA that base-pares with adenine.
尿嘧啶--核糖核酸中的一种嘧啶，与腺嘌呤形成碱基对。
14.
purine base found in DNA and RNA; pairs with thymine in DNA and with uracil in RNA.
DNA和RNA中的嘌呤碱，与DNA中胸腺嘧啶和尿嘧啶成对。
15.
Production of Antibodies Against Sulfadiazine and Establishment of Enzyme-Linked Immunosorbent Assay;
抗磺胺嘧啶抗体制备及磺胺嘧啶酶联免疫分析方法的初步建立
16.
Experimental Study on Synthesis and Antitumor Activity of Targeted Drug Delivery System for Fluorouracil Using Sulfadiazine as the Carrier;
以磺胺嘧啶为载体的氟尿嘧啶靶向药物的合成及抗肿瘤实验研究
17.
Studies on Synthesis and Properties of Pyrazolopyrimidine and Thienopyrimidine Derivatives
吡唑并嘧啶及噻吩并嘧啶衍生物的合成与性质研究
18.
Resonance Raman Spectra of Uracil and 5-Chlorouracil Dynamic Structures during ~1S_0→~1S_2 Transition
尿嘧啶和5-氯尿嘧啶~1S_0→~1S_2跃迁动态结构的共振拉曼光谱