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- One is high reaction activity, the other is good stability and the third is good resistance of coke. 纳米HZSM-5分子筛用于催化反应有以下几个特点:反应活性高:活性稳定性好:抗积炭能力强。
- In raucous micclle, horseradish peroxidase maintained high reaction activity and the phenolic polymers had narrow molecular weight distribution. 水相胶束中酶催化活力高,产物分子量均一;
- The reaserch issue of the hexaaluminate catalysts is the to find advanced catalysts, which possess with high thermal ststability and high reaction activity. 如何得到大比表面积、较好热稳定性以及高催化活性的六铝酸钡类催化剂是目前研究的热点。
- It was confirmed that the synthesis of lipoylbenzotriazole was successful by its modification reaction with insulin, and lipoylbenzotriazole showed a high reaction activity as an acylating agent. 通过考察硫辛酰苯并三唑对胰岛素的化学修饰作用,进一步证明了它的合成是成功的,并且对胰岛素的侧链氨基呈现较高的修饰反应活性。
- high reaction activity 高反应活性
- Research has shown that the title method is of high catalytic activity,high slectivity and high reaction rate for acrylonitrile transform. 研究结果表明,该法具有高催化活性、高选择性和丙烯睛高转化率等优点。
- The key io get the high reaction efficiency is strictly controlling the process. 严格地过程控制是保证高反应效率的关键。
- The concentration-time curve of endotoxin was beeline and its time-reaction curve had high reaction rate. 结果 葡聚糖的浓度时间曲线为双曲线,时间反应曲线显示反应速率较低。
- The principle and possibility of using chemical methods and physical methods for increasing the reaction activity of alkali lignin are analyzed. 分析了采用化学和物理等方法增加碱木质素自身的反应活性的原理和可能性。
- The reaction activity of kaolinite, illite and pyrophyllite is obviously different and the reaction activity of pyrophyllite is the highest. 高岭石、伊利石和叶蜡石的反应活性存在较明显的不同,其中叶蜡石的反应活性最大。
- ABSTRACT: The reaction activity of desulphurizer limestone has a great effect on the desulphurization result of fluidized bed coal-burning boilers. 摘 要: 脱硫剂石灰石的反应活性对流化床燃煤锅炉的脱硫效果影响很大。
- High reaction performance and decoking ability were obtained in gas-phase oxidative cracking (GOC) of decalin, as compared with its pyrolysis reaction. 十氢萘气相氧化裂解(GOC)与传统的热裂解工艺相比,O2的存在降低了十氢萘GOC反应的活化能,使反应在较低温度下具有高的反应性能; O2同时起到消除积炭的作用,提高体系的抗积炭能力。
- It is shown that quercetin Mn(II) complex has reaction activity with superoxede ion, as indicated by inhibition of pyrogallol autoxidation. 实验还合成了以槲皮素为代表的黄酮醇和Mn(II)形成的金属络合物,并且研究了其SOD活性,初步的实验结果表明,槲皮素锰络合物具有一定的SOD活性。
- The mechanism of Chinese medicine to meliorate the symptoms is probably related to its effect to the Airway high reaction. 中医宣肺止咳治疗的疗效机制可能为影响其气道反应性增高的病理状态。
- High reaction temperature and the existence of shape selective zeolite were in favor of benzene formation during cumene cracking. 高温和择形分子筛有助于提高异丙苯裂化生成苯的产率和选择性;
- The results showed that the HDI oligomer could decrease the reaction activity of NCO group,slow down the reaction with water. 结果表明,齐聚物能够减缓NCO基团的反应活性,基本消除其与水的反应,提供施涂操作的充分时间;
- Hill reaction activities in soybean leaves and ureide(allantoin and allantoic acid)contents in young stems all showed a high peak duringpodfilling stages. 大豆叶片希尔反应活性稚幼茎段酰脲含量在鼓粒期都有一高峰。
- Free radical which consists of unpaired electron、ultrashort half life period and high reaction play an important role in maintaining normal physiological function. 自由基是一类含有未成对电子的原子或原子团、半衰期极短且具有高度反应活性的物质,在维系人体正常生理功能中起着重要作用。
- The reaction activity of the catalyst can be adjusted by changing the preparing condition, which including the calcination temperature, the metal load and the carrier. 制备过程中焙烧温度、负载量以及不同催化剂载体的选用都会影响所得催化剂的性能。