A new phenolic compound from Crinum asiaticum L.

Zhang Wei-dong(通讯作者),et al.

Phenolic resin was modified respectively using four latexes of butyronitrile-butadiene,carboxylic butyronitrile-butadiene,styrene-butadiene and pyridine-butadiene.

采用丁腈、羧基丁腈、丁苯、丁吡四种胶乳改醛树。

The research showed a lot of functional ingredients such as anthocyanin, phenolic acid, polysaccharide, proanthocyanidin.

荔枝果核或果皮萃取物具有抗氧化、抗炎症、抗诱变、预防糖尿病、降血以及其它生理功能。

Main ingredients of Epimedium are flavonoids, phenolic glycosides, polysaccharides, chromone, alkaloids.But mainly research concentrated in flavonoid.

淫羊藿中主要成分有黄酮类、苷类、多糖、色酮类、生物碱类等，但主要集中在黄酮类研究。

This paper summarizes the preparation method, performance, progress of application and direction of studying phenolic resin acticarbon.

概醛树基活制备方法、能及其应用进展和主要研究方向。

The leading candidate for Orion's base heat shield is a material called PICA (phenolic impregnated carbon ablator).

目前猎户座底部防热盾首选是充填碳烧蚀挡板材料（PICA），是一种埋在树中碳纤维交叉结构。

The recombination action assembled systematically in 2-3 compounds with active phenolic acid of transsulfurase influenced transsulfurase activity.

系统地组合2种或3种具有促进转硫酶活酸化合物在复合作用下对转硫酶活之影响。

There are lots of phenolic byproducts in the production of mononitrotoluene,which have high toxicity and are difficult to be treated.

一硝基甲苯是生产多种精细化工产品生产中间体,工业用途广泛。

The standards of polyphenols were used to identify the phenolic compounds in napiergrass and their changes due to growth period and season.

另外，利用十种类化合物为标准品，测定不同生长期与季节之狼尾草中类化合物之变化。

Benzylic ether phenolic resin is one of the main components of foundry polyurethane binder; its structure and preparation condition determine the performances of polyurethane binder.

苯醚型醛树是铸造用聚氨酯粘合剂主要成份之一,它结构及合成工艺条件决定该类粘合剂能。

A foamable phenolic resin was prepared,through addition,condensation,in the presence of alkali.The resin was foamed with surfactant, foamer,solidifying agent , then the foam phenolplast was given .

苯与甲醛在碱条件下经加成、缩合制得可发醛树，该树和表面活剂、发泡剂、固化剂一起发泡即得醛泡沫塑料。

Because the mature tissue of velvetleaf contains lots of secondary metabolites such as alkaloid and phenolic, it is difficult to obtain high purity DNA from mature tissue of velvetleaf.

摘要青麻成熟组织中类、黄酮类等次生代谢物较多，要从中提取出高纯度DNA比较困难。