A new phenolic compound from Crinum asiaticum L.
Zhang Wei-dong(通讯作者),et al.
A new phenolic compound from Crinum asiaticum L.
Zhang Wei-dong(通讯作者),et al.
There are lots of phenolic byproducts in the production of mononitrotoluene,which have high toxicity and are difficult to be treated.
一硝基生产多种精细化工产品生产中间体,工业用途广泛。
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、降血脂以及其它生理功。
The leading candidate for Orion's base heat shield is a material called PICA (phenolic impregnated carbon ablator).
猎户座底部防热盾首选酚充填碳烧蚀挡板材料(PICA),一种埋在酚树脂中碳纤维交叉结构。
Foundry polyurethane binder comprises component Ⅰ, a polyhydroxy component whose main component is benzylic ether phenolic resin, component Ⅱ, a polyisocyanate, and a catalyst.
铸造用聚氨酯粘合剂主要有两组份构成,组份Ⅰ为多羟基化合物,如醚型酚醛树脂为主要成份;
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.
醚型酚醛树脂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了该类粘合剂性。
This paper summarizes the preparation method, performance, progress of application and direction of studying phenolic resin acticarbon.
概述了酚醛树脂基活性炭制备方法、性及其应用进展和主要研究方向。
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、丁吡四种胶乳改性酚醛树脂。
The results show that, after thermal treatment, the quinonoid structure is formed and the conjugated carboxide and phenolic hydroxyl are increased;
结果表明,刺槐木素受热后共轭羰基、酚羟基增多并且有醌型结构产生;
The recombination action assembled systematically in 2-3 compounds with active phenolic acid of transsulfurase influenced transsulfurase activity.
系统性地组合2种或3种具有促进转硫酶活性酚酸化合物在复合作用下对转硫酶活性之影响。
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酚类、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。
The standards of polyphenols were used to identify the phenolic compounds in napiergrass and their changes due to growth period and season.
另外,利用十种酚类化合物为标准品,测定不同生长期与季节之狼尾草中酚类化合物之变化。
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、酚苷类、多糖、色酮类、生物碱类等,但主要集中在黄酮类研究。
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 .
酚与醛在碱性条件下经加成、缩合制得可发性酚醛树脂,该树脂和表面活性剂、发泡剂、固化剂一起发泡即得酚醛泡沫塑料。
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