衍生物

In fact, the flavonoids occur in nature as their glycoside derivatives in which one or more sugar groups are attached to the phenolic groups

事实上，黄酮类化合物性质上属糖苷衍生物，它们出现时有一或多组糖与石碳酸组结合。

During thispaper, lots of purine derivatives are synthesized from the material of guanine.

本论文以鸟嘌呤为原料制备出多种嘌呤衍生物，对影响反应的多种因素进行了较为系统的研究。

Post-transcriptional modification in which a derivative of guanosine is attached to the 5' end of the pre-mRNA.

将鸟嘌呤核苷的衍生物加到前体mRNA 5'端上去的转录后修饰作用。

Fuse tartar therapy:The tooth gold biotechnology product that contains a natural plant through to lift to do has no chemistry additive, just like flavor, don't need into appetite absorption, brush teeth to gargle and then can see obvious effect just after needing through contain, use in brief, safety Gao, belong to have no pain go to stone, principle be pass to refine from the plant but of essence composition, reaction happen with tartar this kind of chemistry derivatives, thus attain thorough gum fuse tartar of effect, the tooth stone calculus sheds off to recover the sheen that tooth surface originally possessed, passing to brush teeth will have been already fused of gums bottom the tartar clean up, after return can plus the 1 F protection film in the tooth surface, make the tartar no longer easily re- adhered to.

溶解牙石疗法：通过口含天然植物提练的牙齿黄金生物科技产品，无任何化学添加剂，无异味，无需进入肠胃吸收，只需要通过口含后刷牙漱口就可以看到明显效果，使用简单，安全性高，属于无痛去石，原理就是通过从植物中提炼而出的精华成份，跟牙石这种化学衍生物发生反应，从而达到深入牙龈溶解牙石的功效，牙结石脱落恢复牙齿表面原有的光泽，通过刷牙可将已溶解的龈下牙石清理出来，之后还能在牙齿表面加上一层保护膜，让牙石不再容易重新附着。

Our data show that the circadian clock and haem biosynthesis are reciprocally regulated and suggest that porphyrin-containing molecules are potential targets for therapy of circadian disorders.

这说明，卟啉衍生物（B12含有卟啉）是如癌症等生物节律失调疾病的潜在治疗药物，而且通过细胞周期调节物质与生物钟之间的联系，还可用在接受化学疗法和放射疗法的患者身上。

In this paper, the enzymatic hydrolysis lignin derivatives were synthesized. Halogenation of EHL was carried out in aqueous solution, and graft copolymerization of EHL was initiated by initiator. The chlorinated and graft copolymerized EHL were respectively applied to the chlorinated polyethylene rubber and styrene-butadiene rubber, and the properties of rubber were investigated.

本文采用水溶液法和引发剂引发法分别对酶解木质素进行了卤化和接枝共聚反应研究，合成酶解木质素的改性衍生物，将其分别应用于氯化聚乙烯橡胶和丁苯橡胶，并探讨橡胶各项性能的变化。

Ingredients: Hamamelis extracts, plant collagen protein, natural propolis, vitamin E

主要成份：金缕梅衍生物、植物胶原蛋白、天然蜂胶、维生素E等。

Objective To study the preparation and characterization of hapten and artificial antigen of dicyclohexyl phthalate.

目的合成邻苯二甲酸二环己酯半抗原衍生物和合格的人工全抗原，探讨其制备方法。

With DMAP as catalyst, phorate hapten and succinic anhydride synthesized Phorate ramification.

在DMAP作为催化剂的条件下，甲拌磷半抗原与丁二酸酐反应，得到甲拌磷半抗原的衍生物。

Pharmacological effects research has revealed that lycorine and its derivatives have many pharmacological effects, such as anti-inflammation、antivirus、anti-malarial、 heart-blood system protection and tumor cell killing.

生物活性研究表明，石蒜碱及其衍生物具有抗炎、抗病毒、抗疟疾、抑制乙酰胆碱酯酶、保护心血管以及诱导肿瘤细胞凋亡等多种作用。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。