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Benzyloxy benzoyldimethylsulfoxide was prepared by the reaction of ethyl 4-benzyloxybenzoate and dimethyl sulfoxide in the presence of sodium hydride, followed by Pummerer reaction with concentrated hydrochloric acid to afford eo-hydroxy-co-thio-methyl-(4/-benzyloxy) acetophenone, which reacted with urea, thiosemicarbazide, semicarbazide hydrochloride and o-phenylenediamine to give imidazolidine-2,4-dione, l,2,4-triazine-3- one and quinoxaline derivatives, respectively.

本文用4-苄氧基苯甲酸乙酯和二甲亚砜为原料，在氢化钠存在下反应，合成了(4′-苄氧基)-苯甲酰基-二甲亚砜。研究了该亚砜在浓盐酸的存在下发生的Pummerer重排反应，用重排产物ω-羟基-ω-甲硫基-(4′-苄氧基)-苯乙酮分别与尿素、氨基脲、氨基硫脲和邻苯二胺反应合成了2，4-咪唑啉-二酮、1，2，4-三嗪-3-酮、喹喔啉等含氮杂环化合物。

Defibering and ink irreversible redeposition were characterized during the repulping of waster paper in a 15 L laboratory repulper.

利用一个容积为15 L的实验室高浓碎浆机研究了碎解参数对废纸碎解和油墨粒子不可逆再沉积的影响。

Mr. Scancarella said, Revlon is a leader in innovation in cosmetics and beauty care and it has been personally rewarding and an honor to lead our research and development team.

Scancarella先生说，露华浓是一个领先的创新，化妆品和美容护理，并已亲自奖励和荣誉来领导我们的研发团队。

Contracts with Revlon and numerous other high-profile clients ranging from Omega to Pepsi Cola, means she is said to be worth at least $23 million, with others putting the figure closer to $50 million.

她有着与露华浓公司和从欧米茄到百事可乐等数不清的一流客户的合同，据说她至少已经拥有两千三百万美金，甚至有人把这个数字加到将近五千万美金。

Compos-ite enzymes were added during fermentation and the technique of saccharification and fermentation simultaneously was applied at the same time.

同时证明了在稀醪条件下适当提高发酵温度可加快酵母的产酒，但在浓醪情况下，提高温度会增加乙醇对酵母的毒性，导致出酒率下降。

All Shannon Browncould do was stand there and listen to Lakers assistant coach Brian Shawtalk about his former teammates who have been slam-dunk champions.

香浓只能听箫给他讲他的前队友赢得扣篮大赛冠军的故事。

Yes, it is near, a day of darkness and of gloom, a day of clouds and somberness!

那是一个阴霾昏暗的日子，是一个浓云漆黑的日子！

Lu Xun and Wang Meng's life has complex joint with Russia Soviet literature.

鲁迅和王蒙的一生都与俄苏文学有着浓得化不开的情结。

A star micelle exhibited a radial density profile characteristic of polymer semidilute solution confined to a spherical domain.

胶束壳层中链段的浓度分布如同星形聚合物一样，具有聚合物亚浓溶液的特征。

The ratio of length and diameter of capillary,the concentration of the spinning solution and the surface tension of spinneret, on the shape and die swell of the extruded thread of acetate fiber.

本文研究了喷丝速度、喷丝孔的长径比、纺丝液浓度和表面张力以及喷丝板表面性质对醋酸纤维素丙酮浓溶液细流流型的影响。

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。