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The invention uses benzene carbonic acid as raw material, uses hydrogen gas as reducing agent, and uses ZnO and CeO2 as main accelerating agent. In solid-bed reactor the invention carries out hydrogenation reduction reaction. The reaction temperature is 340-440Deg.C, gas hourly space velocity is 600-4800h-1, hydracid mole rate is 20:1-160:1, the selectivity ratio of benzaldehyde is 99%, and the productivity is above 95%.

该方法以苯甲酸为反应原料，以氢气为还原剂，以ZnO和CeO 2 的复合氧化物为主催化剂，在固定床反应器中，进行气相加氢还原反应，反应温度为340℃～440℃，气时空速为600h -1 ～4800h -1 ，氢酸摩尔比为20∶1～160∶1，采用本发明制备苯甲醛的选择性可达99％，收率可达95％以上。

The invention uses benzene carbonic acid as raw material, uses hydrogen gas as reducing agent, and uses ZrO2, TiO2 and Y2O3 as main accelerating agent. In solid-bed reactor the invention carries out hydrogenation reduction reaction. The reaction temperature is 340-450Deg.C, gas hourly space velocity is 600-4800h-1, hydracid mole rate is 20:1-160:1, the selectivity ratio of benzaldehyde is 96%, and the productivity is above 90%.

该方法以苯甲酸为反应原料，以氢气为还原剂，以复合氧化物ZrO 2 、TiO 2 和Y 2 O 3 为主催化剂，在固定床反应器中，进行气相加氢还原反应，反应温度为340℃～450℃，气时空速为600h -1 ～4800h -1 ，氢酸摩尔比为20∶1～160∶1，采用本发明制备苯甲醛的选择性可达96％以上，收率可达90％。

Eight hydrazone Schiff bases have been synthesized by the reaction of salicylaldehyde, o–vanillin, 2-hydroxy-1-naphthaldehyde with nicotinic or isonicotinoyl hydrazide in anhydrous ethanol respectively; Three thiosemicarbazone Schiff bases have been synthesized by the reaction of salicylaldehyde, o–vanillin, o–hydroxyacetophenon with thiosemicarbazide in hydrous-ethanol respectively.

主要包括以下五部分的工作： 1、以水杨醛、邻香草醛、邻羟基萘甲醛、邻羟基苯乙酮分别与烟酰肼和异烟酰肼按1：1的比例在无水乙醇中反应，制备了八种酰腙类Schiff碱；以水杨醛、邻香草醛、邻羟基苯乙酮与氨基硫脲在水-乙醇混合溶剂中反应，合成了三种Schiff碱配体，并对Schiff碱配体的结构进行了表征。

When the temperature is above 100℃, no reaction of SiO_2 with gaseous hydrogen fluoride is observed, but the reaction is accelerated when the surface of SiO_2 is coated by a special polymer film.

二氧化硅与气相氟化氢的反应和与氢氟酸的反应不同，当温度高于100℃时，气相氟化氢与裸露的二氧化硅无明显反应，当二氧化硅表面涂上一层特殊聚合物膜时，反应可很快发生。

A method for forming an aqueous chlorine dioxide solution is disclosed which includes reacting in a reaction vessel an acid reaction solution containing a hydroxy carboxylic acid and a companion acid with an alkali metal salt of a chlorite ion.

本发明公开了一种生成含水的二氧化氯溶液的方法，其中包括在反应容器中让含有羟基羧酸和配对酸的酸的反应溶液与亚氯酸根离子的碱金属盐进行反应。

Influence of individual reaction parameters on MF catalytic hydroxylation of PHP is studied to find out preferable reaction conditions.

研究了各种反应条件对铁酸镁MgFe〓O〓尖晶石类催化剂催化苯酚过氧化氢羟化反应的影响，找到了较好的反应工艺条件。

Results The concentration-time curve of glucan was hyperbola and its time-reaction curve had low reaction rate.

结果 葡聚糖的浓度时间曲线双曲线，时间反应曲线显示反应速率较低。

The results show that the electrochemical deposition plays a dominant role in the early stage of initial deposition coating, then reduction reaction and the electrochemical mechanism of hypophosphite coexist, finally reduction reaction of hypophosphite gradually play a dominant role.

结果表明，镀层初始沉积最先是电化学机制占主导地位，然后是次磷酸盐的还原作用机制和电化学机制并存，最后逐步过渡到以次磷酸盐的还原作用机制占主导地位。

Ce NH〓 at 150℃, which can't separate the temperature of imide reaction from that of crosslinking reaction.

Ce。NH〓在150℃就可以催化CNPA发生交联反应，不能将低聚物的亚胺化温度和交联温度分开。

During the reaction, the hydroxyl firstly attacked the carbon atom of imide and finally formed an anion with hydroxyl linked to C=C by a transition state. The calculation results reveal that the initiated reaction belongs to anion polymerization.

发现在反应过程中氢氧根先进攻酰亚胺的碳，经过一过渡态最终生成氢氧根连接在碳碳双键上的阴离子，证明反应机理为阴离子聚合。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新