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The results showed that solubility of nitrobenzenamine and etherate increased with temperature increasing.

实验结果表明硝基苯胺和醚化物在二甲苯和甲苯中的溶解度均随温度的升高而增加。

Solubility of nitrobenzenamine in ternary system was higher than that in binary system,but the solubility of etherate did not change.

与二元体系相比,硝基苯胺在三元体系的溶解度增加,但醚化物的溶解度未发生变化。

Solubility of nitrobenzenamine in xylene was higher than that in toluene,but solubility of etherate was nearly the same in the two solvents.

硝基苯胺在二甲苯中的溶解度要大于甲苯中的溶解度,而醚化物在两种溶剂中的溶解度相当。

Solubilities of 4,5-dichloro-2-nitrobenzenamine and etherate were experimentally determined.

测定了4,5-二氯-2-硝基苯胺和醚化物在二甲苯和甲苯中的溶解度。

Keywords 4;5-Dichloro-2-nitrobenzenamine;Etherate;Toluene;Xylene;Solubility

4; 5-二氯-2-硝基苯胺;醚化物;溶解度

Then sodium ethoxide was used as base,the nucleophilic substitution of 2-pyrrolidone with the intermediate provided nefiracetam.

以碳酸钠为缚酸剂,摩尔比为1︰1的2,6-二甲基苯胺与氯乙酰氯反应合成了中间体2-氯-N-(2,6-二甲基苯基)乙酰胺;在强碱乙醇钠作用下,2-吡咯烷酮再与2-氯-N-(2,6-二甲基苯基)乙酰胺经亲核取代合成了目标化合物奈非西坦。

A process for preparingp-fluo-2-(2-methyl-3-propionyl)-4-oxy-N,3-diphenyl-phenylbutylamide includes such steps as Friedle-Craft acylating of newly prepared phenylacetyl chloride and fluorobenzene under catalysis of AlCl3 to obtain 4-fluoro-phenylbenzyl ketone, brominating at carbonyl alpha position under catalysis of less AlCl3 to obtain alpha-bromo-4-fluo-phenylbenzyl ketone, and condensing with isobutyryl acetanilide under action of sodium ethoxide.

本发明涉及一种制备对氟-2-(2-甲基-3-氧丙基)-4-氧-N,3-二苯基-苯丁酰胺(1)的方法,其包括以下步骤:新制的苯乙酰氯与氟苯在AlCl3催化下进行Friedle-Craft酰化反应,得到对4-氟-苯基苄基酮(4);化合物(4)在少量AlCl3催化下进行羰基α位溴化,得到α-溴-4-氟-苯基苄基酮(5);然后(3)异丁酰乙酰苯胺在乙醇钠作用下与化合物(5)进行缩合。

But, heat transfer fluids can also be used for cooling strongly exothermal processes, such as occur in the synthesis of ethylene oxide, aniline or formaldehyde.

同时,该导热油也能给需要冷却的工艺路线迅速导出热量,例如应用于EO/苯胺/甲醛等的合成。

An explosive salt of fulminic acid, especially fulminate of mercury .

一种晶状酸,由苯胺制取,用作染料。

Following studies had been performed:(1)repetitive WLT and real-time ultrasonography had been performed to 18 HS and 40 FD toassess the reproducibility and influencing factors.(2) correlations of WLT with symptomscore and electrogastrography had been analysed.(3) differences ofWLT between HS and FD had been compared.(4) methophenolane andimmunohistochemistry stain of gastric fundus mucosa biopsy from 40 FD patients hadbeen performed to analyse the correlations of symptom score and WLT with count andactivity of mast cells, 5-HT level, and H.Pylori infectious status.(5) the effect of oralsumatriptan to proximal stomach function in 10 HS and 10 FD had been assessed, so as toestablish the possible regulating mechanism of fundic relaxation, explore the therapeuticpotential and feasibility of sumatriptan on FD.Results:I. Evaluation of WLT and its application in FD management.

我们主要进行以下几个方面的研究:(1)对18名健康人及40名FD患者重复进行水负荷试验并结合B超声对近端胃的实时监测,评价水负荷试验结果的可靠性并分析其影响因素;(2)观察水负荷试验结果与症状积分及体表胃电结果的相关性;(3)比较FD患者和健康成人水负荷试验结果的差别;(4)对40名FD患者胃底粘膜活检组织进行免疫组化染色和甲苯胺蓝染色,观察FD患者的症状及水负荷试验结果与胃底粘膜肥大细胞、5-HT表达情况及H.pylori感染情况的相关性:(5)观察口服舒马曲坦对10名健康人及10名FD患者近端胃功能的影响,并由此推测胃底舒张运动调节的生理机制,探讨口服舒马曲坦治疗FD的可行性。

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According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm~150rpm时取得最大值,此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世,形体几无变化。

When I was in school, the rabbi explained everythingin the Bible two different ways.

当我上学的时候,老师解释《圣经》用两种不同的方法。