查询词典 phenol-phthalein

Fat derivs./nonyl phenol polyglycol ethers

脂肪衍生物/壬基酚聚氧乙烯醚

The factory produces gasoline, diesel oil,naphtha,LPG,nonyl phenol,methyl ethyl ketone,MTBE,chemical auxiliaries,dodecene and nonene, etc.

主要产品：汽油，柴油，石脑油，液化石油气，壬基酚，甲乙酮，甲基叔丁基醚，化学助剂，十二烯，壬烯等。

With polyoxyethylene nonyl phenol ethers (OP-10) as emulsifier and dodecyl benzene sulfonic acid as catalyst, hydroxy organosilicon microemulsion was prepared through octamethylcyclotetrasiloxane (D4) open-ring polymerization under certain conditions.

以壬基酚聚氧乙烯醚(OR-10)作乳化剂，十二烷基苯磺酸为催化剂，通过八甲基环四硅氧烷(D4)开环聚合，在一定条件下合成了端在基聚二甲基硅氧烷微乳液。

Acid-catalytic reaction of phenol and octene was studied by CNDO/2-PMO method.

本文用CNDO/2-PMO方法研究了在酸催化下辛烯与苯酚的烷基化反应。

Catalysis ; phenol ; octene ; alkylation ; molecular orbital theory.

催化；苯酚；辛烯；烷基化；分子轨道理论

Results Wenshen Kechuan Tablets could significantly prolong the cough latent period and cough times within 3 min and increase phenol red secretion from trachea in cough model induced by ammonia water. Wenshen Kechuan Tablets could significantly prolong the asthma latent period and relieve spasm in guinea pigs with histamine-acetylcholine-induced asthma, prolong spasm latent period and reduce shock attack and lung overfall volume in guinea pigs with ovalbumin-induced asthma.

结果 温肾咳喘片可显著延长氨水致咳小鼠的引咳潜伏期、减少3 min内的咳嗽次数，增加小鼠气管段酚红排泌量，明显延长组胺－乙酰胆碱致敏豚鼠的引喘潜伏期、减少抽搐动物数，延长卵白蛋白致喘豚鼠抽搐潜伏期和减少跌倒休克豚鼠数，减少卵白蛋白致敏麻醉大鼠的肺溢流量。

In this paper,the expandable phenolic resin was synthesized by paraformaldehyde and phenol in the presence of aqueous NaOH.

以多聚甲醛和苯酚为原料，合成了适用于酚醛膨胀体制备的酚醛树脂。

The thermoset phenolic resin was synthesized by all the waste water from the former process, paraformaldehyde and phenol.

以上述热塑性酚醛树脂生产中排放的全部废水、多聚甲醛、苯酚为原料可以合成多种用途的热固性酚醛树脂。

In this paper,investigation has been made on the process for the synthesis of salicylaldehyde by esterification-oxidation with phenol,paraformaldehyde,boric acid as initial materials.

探索了以苯酚、硼酸和多聚甲醛为原料的酯化氧化法合成水杨醛的工艺路线，根据反应特点，改进了酯化反应方式，采用了多聚甲醛气态解聚法作为羟甲基化反应的进料方式，探讨了羟甲基化反应温度、多聚甲醛原料含水量、催化氧化反应催化剂用量对反应收率的影响并得到最佳反应条件，水杨醛收率为60.5%，纯度达98%以上。

The results revealed that the motor nerves and parasympathetic system would be blocked predicatively by epidural injection with alcohol or phenol glycerin .

硬膜外腔注射无水乙醇和酚甘油进行化学性神经根毁损对实验兔运动神经和植物神经的阻滞效果显著，三月后再次硬膜外腔置管无显著的出血禁忌。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。