Lignin was modified through the free radical reaction to synthesize a kind of scale inhibitor-the carboxylic lignin (LA).
采用自由基反应,对木素进行枝改性,合成羧酸型木素(LA)阻垢剂。
The ligum in sesame not only has the antioxygenic activity that blocks the free radical reaction but also has been proved to have many physiological function.
芝麻中的木酚素类物质不但具有阻断自由基反应的抗氧化性能,而且已经证实具有很多生理功能。
"Maybe the reason why free radicals and aging are correlated is because free radical production in the mitochondria (part of the cell) is a stress reaction to the damage of aging," Hekimi said.
海克米说:“人们之所以把自由基和衰老联系在一起,可能是因为自由基在线粒体(细胞的一部分)中产生是人体对衰老的应激反应。”
The chemical reaction of hydroxyl radical is free radical reaction, whose reaction speed is very high.
羟基自由基参与的化学反应属于游离基反应,化学反应速度极快。
Poly (N-vinylpyrrolidone) with carboxylic end groups and amino end groups (PNVP-NH2) were prepared by the chain transfer reaction in free radical polymerization.
利用普通自由基聚合中的链转移反应,分别制备了以羧基为端基的聚和以胺基为端基的聚(PNVP - NH2)。
The end group analysis of polyacrylonitrile by IR spectrum confirmed that the free radical produced by the reaction of MST and eerie ion could initiate the polymerization of vinyl monomer.
由聚丙烯腈的红外光谱端基分析证实了MST组分与铈离子反应产生的自由基能引发烯类聚合。
The selection and application of organic peroxides initiators in LDPE production are discussed. The reaction of free radical and activity of the initiator are also described.
通过对自由基反应原理和引发剂活性的阐述,结合高压聚乙烯管式法工艺,分析有机过氧化物引发剂在高压聚乙烯的选择应用。
According to the discussion of reaction conditions using different initiations, it was believed that peroxide-initiated free-radical addition reaction was a promising method by mechanism analysis.
通过机理分析和对不同引发条件下的自由基加成反应的比较,认为过氧化物引发自由基加成反应制备六氟丁醇具有工业化前景。
In DMF tetraethyl ammonium bromide(TEAB) media, the reduction of irisquinone was two successive single electron processes without the chemical reaction of the free radical semiquinone.
在DMF-四乙基溴化铵(TEAB)质子惰性介质中,马蔺子素连续两步单电子还原生成相应氢醌阴离子,无中间体半醌自由基的化学反应发生。
Objective To study the correlation between abusing alcohol and antioxidants, antioxidases and oxygen free radical reaction.
目的探讨滥用酒精与抗氧化剂、抗氧化酶和氧自由基反应的关系。
Free radical and its inducing oxidization reaction may cause biological doat and certain diseases such as cancers, diabetes and the cardiovascular.
自由基及其诱导的氧化反应是导致生物衰老和某些疾病如癌症、糖尿病、心血管疾病等的重要因素。
METHODS The reaction product and free radical intermediate in the reaction medium with or without antioxidants and other moderators was detected by spectrophotometry and electron spin resonance(ESR).
方法用分光光度法和电子自旋共振技术(ESR)检测加入或未加抗氧化剂等调节物的反应体系中反应产物及自由基中间产物的生成情况。
The experiment was carried on the waste liquid of molasses alcohol by the way of ozone oxidation and found out that reaction mechanism was free radical reaction under alkaline condition.
利用臭氧氧化法处理糖蜜酒精废液,碱性条件下其反应机理属于自由基型反应。
The injurious effect of pressure wave on cells was related to its direct drastic mechanic vibration action on cells and induction of cellular free radical reaction.
压力波损伤细胞的机制可能与其对细胞的剧烈机械性振荡作用及引发自由基反应等有关。
Experiment result shows that the graft copolymerization reaction agrees quite well with the general free radical mechanism and the copolymer has excellent heat stabilization.
实验结果表明,该接枝反应基本符合自由基反应的一般规律,并且其聚合产物具有明显的抗高温能力。
The advanced oxidation technique is a kind of new technology to treat organic pollutants, which is mostly of free radical (reaction) and has well developed and applied environment.
以自由基反应为主的高级氧化工艺是处理有机污染物的新型技术,具有良好的拓展和应用环境。
The polystyrenylphosphonous acid was synthesized by free radical reaction for the first time, and which was characterized by IR and MS.
用自由基反应首次合成出低聚苯乙烯基亚膦酸,用IR和MS对产物进行了表征。
Conclusion the form of the alkene ozone oxide and its reaction course of ozone chain isomerization are likely to be the free radical ones.
结论烯烃臭氧化物的形成及其臭氧链异构的反应历程,属游离基型的可能性更大。
The reaction process of monomers in plasma showed that the monomers were broken to free radical pieces in plasma, then these pieces recombined into the products.
由产物分析推断了单体在等离子态下经历的反应历程。
The advanced oxidation technique is a kind of new technology to treat organic pollutants, which is mostly of free radical reaction and has well-developed and applied environmental protection.
以自由基反应为主的高级氧化工艺是处理有机污染物的新型技术,具有良好的拓展和应用环境。
The results show that, compared to reaction channel II, reaction channel I of the reaction between active free radical NH and ozone O3 is not only spontaneous but also easy to take place kinetically.
计算表明,相对于反应通道II,反应通道I不仅有很强的反应自发性,而且在动力学上也是较容易实现的反应。
The results show that, compared to reaction channel II, reaction channel I of the reaction between active free radical NH and ozone O3 is not only spontaneous but also easy to take place kinetically.
计算表明,相对于反应通道II,反应通道I不仅有很强的反应自发性,而且在动力学上也是较容易实现的反应。
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