查询词典 purine

Methods: In this paper, a quinazoline purine analogues for the parent nucleus, respectively, and four of its seven introduced to replace the structure of diverse and flexible side-chain amino-benzene, design a series of 4 - to replace the aniline-based -6 - methoxy --7 -(2 - hydroxy replace C oxy) quinazoline compounds.

目的：通过各种化学合成方法完成目标化合物4--6-甲氧基-7-(2-羟基取代丙氧基)喹唑啉的合成并对目标化合物进行结构修饰，以期获得高活性的表皮生长因子受体酪氨酸激酶抑制剂。

To study the effects E.coli purine nucleoside phosphorylase suicide gene on human gastric cancer MKN-45 cells as well as the bystander effect.

目的：探讨大肠杆菌嘌呤核苷磷酸化酶自杀基因对胃癌细胞MKN-45的抑制及杀伤作用，并证实旁观者效应。

Objective To investigate the effects of purine nucleotides compensation on pain threshold in heroin dependent rats.

目的 探讨嘌呤核苷酸补偿对海洛因依赖大鼠痛阈的影响。

A drug that interferes with the metabolism of purine and is used to treat acute ''.

用来干扰嘌呤新城代谢和严重的白血病的药物。

Uric acid is a waste product that results from purine metabolism .

尿酸是一种浪费的产品，结果由嘌呤代谢。

Study on Synthesis of 2,6-Substitute Purine Derivatives

嘌呤2，6位取代衍生物的合成

The ability of different adsorbents to absorb purine compounds in beer was studied.

初步研究了多种吸附剂对啤酒中嘌呤类物质的吸附能力。

Purine: Any of a class of heterocyclic compounds with a two-ring structure composed of carbon and nitrogen atoms.

嘌呤：嘌呤是对由碳、氮原子组成的双环结构的杂环化合物的统称。

It is best to reduce the amount of foods that contain purine, such as organ meats or fish.

最好是尽量减少食品含有嘌呤量，如器官肉类或鱼类。

Two different lines of evidence support the view that a base pair is composed of one purine and one pyrimidine.

有两方面的证据支持在DNA分子的螺旋构型中，每一个碱基对中都含有一个嘌呤碱基和一个嘧啶碱基

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。