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- Hoffman degraded reaction 霍夫曼降级反应
- Working with the degraded reaction of chitosan, the chromatographic separation is used to obtain the chitosan oligosaccharide with different polymerization degrees. 针对生化反应降解壳聚糖工艺,采用色谱分离技术来获得不同聚合度的壳寡糖。
- The photocatalysis degradation reaction kinetics and degradation mechanisms of rhodamine B were studied. 研究了罗丹明B的光催化降解反应动力学与降解机理。
- PP and many other polymers (RH) are attacked during processing or outdoor use in the absence of stabilizers because of a chain degradation reaction. 聚丙烯及许多其它的聚合物(rh)若在缺少稳定剂的情况下进行加工或在户外使用,就会发生链式降解反应而遭受破坏。
- Alliinase could catalyse degradation reaction of allicin.Degradation reaction of allicin was quickened with the increase of alliinase content. 蒜氨酸酶会催化蒜素的降解反应,随着加酶量的增加,降解反应速度增加。
- The influence of HCHO initial consistency、temperature、humidity and degradation reaction time on the photodegradation rate of HCHO are discussed. 还讨论了二氧化钛初始浓度、温度、湿度以及反应时间对甲醛的实际降解率的影响,并分析了原因。
- The analysis shows that the degradation reaction of PP is caused by PP macro-radical, which is produced under the effects of the initiator DCP and the MAH. 分析表明PP降解副反应是由引发剂作用下产生的PP大分子自由基和由MAH作用下产生的PP大分子自由基引起的;
- It was found that amorphous structure and blowout holes of starch in noncrystalline granular state greatly increased the degradation reaction activity of microorganisms. 结果发现,非晶淀粉颗粒松散的无定形结构以及形成的爆裂孔,大大提高了微生物降解反应活性。
- He was degraded for disobeying orders. 他因不服从命令而受到降级处分。
- He degraded himself by cheating and telling lies. 他因欺骗、撒谎而损害了自己的人格。
- A foul, degraded condition or place. 污秽,可鄙的境地或场所
- The structural properties of these catalysts were characterized by means of XRD,XPS,TPR and SEM,and the photocatalytic activity was evaluated with the degradation reaction of acetic acid and photocatalytic reduction of carbon dioxide as probes. 利用XRD;XPS;TPR等手段对不同样品进行了表征;以乙酸水溶液的光催化氧化降解及二氧化碳光催化还原为反应探针;对3种催化剂光催化活性进行了评价.
- Could I ask for your reaction to this policy? 我能问一下您对这个政策的反应吗?
- The state of being degraded; degeneration. 降低,堕落被降低的状态; 衰退
- Through UV/H2O2 photo-catalytic advanced oxidation technique, the pathway and mechanism of ortho-dichlorobenzene (O-DCB) in water and the effects parameters of the degrading reaction were studied systematically. 通过UV/H2O2光化高级氧化法;对水中邻二氯苯的降解途径及机理;降解反应的影响参数进行了系统的研究.
- In this paper, the synthesis of difluoro[2,2] paracyclophane by Hofmann degradation reaction is reported and the mechanism and the factors which affect the reaction are discussed briefly. 研究了霍夫曼降解反应合成二氟[2,2]对环番及影响反应的因素并对反应的模式进行了简单的讨论。
- A degraded and squalid class or state of human existence. 下等阶层人类生活中一种堕落的,邋遢的阶层或状态
- Furthermore,the Langmuir-Hinshewood(L H) model can be employed to describe the degradation reaction,which suggests that the surface reaction rather than adsorption is the rate-determining step in this photo-catalytic degradation. 表面反应而非吸附是这个光催化反应的速度决定步骤;即该反应符合Langmuir-Hinshewood(L-H)机理.
- By comparing the pyrolysis process of PAN in Ar with that in vacuum, it is found that the thermal activation energy in vacuum is lower than that in Ar, which indicates that the vacuum atmosphere favors the degradation reaction. 通过比较聚丙烯腈在氩气和真空氛围下的热解,可以得出聚丙烯腈在真空氛围中的热解反应活化能低于氩气氛围中的活化能,说明真空氛围能够降低热解反应的温度,加速反应的进行。
- Only a degraded person could have done such a thing. 只有堕落的人才干得出这种事。