二甲苯

-3-Alkenoic acids were synthesized by Knoevenagel reactions of aliphatic aldehyde s with malonic acid in xylene under reflux.

以脂肪醛与丙二酸为原料，通过Knoevenagel反应制备了-3-烷烯羧酸，反应以二甲苯为溶剂，在回流条件下进行。

Antipyretic, analgesic and anti-inflammatory effects of Malvastrum coromandelianumGarcke were tested by fever caused by typhoid-paratyphoid vaccine in rabbits; hot-plate, writhing, ear edema, and abdominal capillary permeability of mice.

摘 要 采用伤寒-副伤寒菌苗致热家兔法研究赛葵的解热作用，热板法和扭体法研究赛葵的镇痛作用，二甲苯致炎鼠耳肿胀法和腹腔毛细血管通透性法研究赛葵的抗炎作用。

Cellulose carbamate was synthesized in xylene as solvent with microcrystalline cellulose and urea as raw materials.

以微晶纤维素和尿素为原料，二甲苯为溶剂合成了纤维素氨基甲酸酯。

In addition, the optical microphotography showed that the dispersion of methylolated MWCNTs in water was improved significantly. And then, the dispersion of the grafted MWCNTs in xylene was enhanced remarkably.

光学图像分析表明，经甲醛处理后的MWCNTs在水溶液中的分散性明显提高，而马来酸酐酯化接枝后的MWCNTs在二甲苯中的分散性明显增强。

A process approaching 3 and 4 chlorophthalic anhydride in high purity via chloriation of o xylene , oxidation of monochloro o xylene by air in gas phase,and separation of 3 and 4 chlorophthalic anhydride afterwards by distillation is described.

介绍由邻二甲苯氯代，再经空气氧化及异构体分离合成氯代苯酐中试规模的合成路线。

The plant can absorb formaldehyde include cacti, Chlorophytum,扶郎to spend, reeds, ivy, Tieshu , chrysanthemum, etc.; the flowers and the elimination of xylene have ivy, Tieshu, chrysanthemum, etc.; Monstera: Turtle Cove, also known as banana, pont to banana, wire-lian, through Liuzhou palm, evergreen vine.

可以吸收甲醛的植物有仙人掌、吊兰、扶郎花、芦苇、常春藤、铁树、菊花等；而消除二甲苯的花草则有常春藤、铁树、菊花等；龟背竹：又名龟背蕉、蓬来蕉、电线莲、透龙掌，常绿藤本植物。

Effects of the pretreatment of catalysis, reaction temperature, the ratio of the reactants, the substrate-catalyst ratio and the content of the promoter on the reaction properties of NaK catalysts has been studied in a wide range.

本实验用超声波技术激活金属钾钠合金低共熔物催化剂，考察了催化剂预处理，反应温度，原料配比，催化剂用量以及加入助剂用量等因素对钾钠液态低共熔物催化剂上邻二甲苯与1，3-丁二烯合成OTP反应转化率的影响。

A new imidazolinyl intermediate is prepared from phenylacetic acid and diethylenetriamine firstly, and then they react with the solution of sodium chloroacetate into the imidazolinyl quaternary ammonium salt.

以二甲苯为溶剂，苯乙酸和二乙烯三胺为原料，经酰胺化和环化脱水合成了新型咪唑啉化合物，并用氯乙酸钠溶液对其进行改性得到了苯乙酸咪唑啉季铵盐。

The gas phase oxidation of o-xylene to phthalic anhydride at low oxygen concentration was studied.

近年来，国外对邻二甲苯氧化制苯醉的高负荷催化剂进行了大量的研究工作，其中V-Ti系催化剂得到广泛的应用

The optimal technical conditions of the later were that cuprous chloride and 1,10-phenanthroline were used as catalyzer, the molar proportion of catalyzer and 4,4′-diiodobiphenyl was 0.15:1, and the reaction mixture was refluxed for 7h in the solvent of xylene at 150℃.

后者的适宜工艺条件为以二甲苯作溶剂，氯化亚铜和邻菲咯啉为催化剂，催化剂与4，4′-二碘联苯的摩尔比为0.15∶1，在150℃下回流反应7h。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。