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- In chaper 4 and 5, the mechanism of double radical reaction CH_3S with HCS and ClO are surveyed. CH_3S的脫氫是以消去分子H_2的機理進(jìn)行的，并非以逐級消去原子H機理進(jìn)行；
- We have studied the regioselectivity of this new radical reaction and proposed the mechanism. 并且進(jìn)行了不對稱(chēng)1，3-二酮自由基反應化學(xué)選擇性的初步研究，提出了反應機理。
- In chapter 4, we report synthesis and ESR Spectrum study of C60-polystyrene by free radical reaction of polystyrene and C60 under UV photoinitiator. 用相同方法合成得C60或C70-苯乙烯-順丁烯二酸酐，C60或C70-苯乙烯-丙烯酸三元共聚物，用1H NMR，UV-Vis及FTIR，GPC，DSC技術(shù)對三元共聚物作了表征，發(fā)現富勒烯-苯乙烯-丙烯酸共聚物分子量比空白二元共聚物高，它們均溶于THF，DMSO及水。
- The mechanism was probably related with the inhibitation of free radical reaction, increasing of antioxidase activity and clearing of aged products. 提示加味溫膽湯具有抗衰老的作用，其作用機理可能與其抑制自由基反應，提高抗氧化酶活性及清除老化產(chǎn)物有關(guān)。
- The experimental results indicated that characteristics of organic in radical reaction directly affected degradation efficiency of catalytic ozonation. 結果表明，有機物在自由基鏈反應過(guò)程中的特性直接影響催化臭氧化的降解效率。
- The mechanisms contributed to ischemic brain injury involve excitotoxicity,calcium overload,free radical reaction,depolarization surrounding infarct,inflammation and apoptosis. 興奮毒性、鈣超載、自由基反應、梗死周?chē)龢O、炎癥和凋亡是造成缺血性腦損傷的中心環(huán)節。
- 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. 芝麻中的木酚素類(lèi)物質(zhì)不但具有阻斷自由基反應的抗氧化性能,而且已經(jīng)證實(shí)具有很多生理功能。
- When the target organic was formic acid (a promoter of radical reaction in ozonation), a radical initiation reaction could obviously enhance the ozoantion efficiency. 當目標有機物是對鏈反應具有促進(jìn)作用的甲酸時(shí)，自由基引發(fā)反應可以明顯提高甲酸的臭氧化效率。
- Radical reaction is an important tool in organic synthesis because of its moderate reaction condition, good regioselectivity and stereoselectivity.It has attracted many chemists research interest. 自由基反應具有反應條件溫和、高的區域和立體選擇性等優(yōu)點(diǎn)，是有機合成中的重要工具，近年來(lái)受到學(xué)術(shù)界的廣泛重視。
- The spectrum analysis of adduct,producced via the reaction between the in-termediates and phenyl N-tert-butylnitrone(PBN), showed that a radical reaction anddesulfonation mechanism have been proved. 通過(guò)中間產(chǎn)物與苯亞甲基叔丁基氮氧化物（PBN）加合物的波譜分析，證實(shí)了該反應為自由基反應并遵從脫磺酸基的反應機理。
- Cell membranes rich in EPA and DHA are, however, more susceptible to peroxidation by free radical reactions. *有證據表明魚(yú)油還能治療偏頭痛、喘、皮癬、潰瘍、癥和某些與糖尿病相關(guān)的疾病。細胞膜雖然富含epa和DHA，然而也卻容易遭到自由基的破壞。
- The polar concepts of the physical organic chemist are relevant to radical reactions. 物理有機化學(xué)家的極性概念能夠適用于基反應。
- On Free Radical Reaction and Influential Factors 論自由基反應及其影響因素
- They called for a radical reform of our tax system. 他們要求對稅收制度進(jìn)行根本改革。
- radiation-induced radical reaction 輻射誘導自由基反應
- He took up a radical position on this issue. 他對這個(gè)問(wèn)題抱著(zhù)激進(jìn)的態(tài)度。
- The man turned from Radical to Conservative. 這人從激進(jìn)派變成了保守派。
- Could I ask for your reaction to this policy? 我能問(wèn)一下您對這個(gè)政策的反應嗎？
- A reactor is a container for chemical reaction. 反應器是進(jìn)行化學(xué)反應的容器。
- His political convictions are very radical. 他的政治信念非常激進(jìn)。
