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The chemical compositions, properties and reaction principles of polyurethane applied in coal mine were introduced and the effect of catalyzer, foamer,fire retardant and storage stabilizer on the properties of polyurethane as seal material were discussed.

介绍了煤矿井下用聚氨酯泡沫密闭材料的化学组成、性能和反应原理，探讨了催化剂、发泡剂、阻燃剂和贮存稳定剂等因素对组合聚醚及其聚氨酯密闭材料的性能影响，并在煤矿井下进行了封闭应用试验。

In order to improve the design and implementation quality of web service compositions, formal methods are used to model them and certain properties are verified.

为了提高组合web服务的设计和实现质量，使用形式化方法对其进行建模并对其关键性质进行验证。

The invention of percussion compositions for igniting powders is usually attributed to Forsyth.

通常认为用以引燃的击发药是弗尔赛思发明的。

Franz Schubert's first compositions were written when he was with the court choir boys, always in conflict with his teachers, since he was more interested in music than in getting good marks for his school work.

舒伯特首次组成了书面当时与法院合唱团男孩，总是与他的冲突中教师，因为他更感兴趣的音乐比获得良好标志着他的学校工作。

Franz Schubert (1797-1828) was born in a period devoted to both Classicism and Romanticism; therefore, the two musical styles can be discovered in his compositions.

舒伯特(1797-1828)身处於古典跨浪漫时期的时代，因此，古典乐派的传统形式及浪漫乐派的音乐思潮，都可以在舒伯特的作品中找到。

The ballads of Franz Schubert (1797-1828) and Carl Loewe (1796-1869) were both inherited from Johann Rudolf Zumsteeg (1760-1802). However, compared to Loewe's sustained ballad compositions and his leading position in this field, Schubert was nearly unknown. Were it not for the popularity and controversy of Erlk?nig (D 328), we might have difficulty in associating Schubert with ballads.

舒伯特(Franz Schubert， 1797-1828)与洛威(Carl Loewe， 1796-1869)之叙事曲虽皆传承於村史提克(Johann Rudolf Zumsteeg， 1760-1802)，但是相对於洛威的持续创作且於此领域中拥有重要地位，舒伯特在叙事曲的创作中却几近默默无名，若非《魔王》受到欢迎以及引发评论者对其的争议，时至今日，我们或许仍难以将舒伯特与叙事曲的创作联想在一起。

The compositions and FTIR spectral characteristics of hydrolysis product were studied using GC and FTIR. The results indicated that ASP3 is a kind of pectic polysaccharide which contained the main part of homogalacturonan fragments as "smooth regions" with galacturonic acid and rhaminose, and rhamnogalacturonan segments as "hairy regions" backbone. Galactose, arabinose, mannose and glucose were linked as arabinogalactan, galactan and arabinan, which were the mainly constitution of the branch.

实验结果表明，ASP3是一种果胶多糖，主要由光滑区和毛发区（富含中性糖侧链的鼠李半乳糖醛酸聚糖）两部分组成：GalA和Rha位于多糖分子的主链，由于Rha含量较低，大部分GalA相连形成半乳糖醛酸聚糖光滑区；Gal、Ara、Man及Glc位于多糖分子的支链，其中Gal以较高的聚合度与主链相连，Ara以还原性末端或低聚寡糖的形式与主链相连或与半乳聚糖末端相连形成阿拉伯半乳聚糖。

His compositions were struggling to grasp the publics admiration and after an argument with David Garrick , Susannah left Drury Lane in 1750 for Covent Garden Theatre .

他的作品正在努力掌握市民的赞赏和后与大卫加里克参数，苏珊娜离开1750年的考文特花园剧院特鲁里街。

Based on the data of aerosol chemical compositions obtained at WMO GAW (World Meteorological Organization Global Atmospheric Watch) station in eastern China－Lin'An regional background air pollution monitoring station, two methods (referred as Malm method and Stelson method) that were described by Malm (Malm et al.,1994) and Stelson (Stelson and Seinfeld, 1981) were used to study the mass closure of sampled aerosols.

本文通过在WMO GAW 区域大气本底污染监测站－临安大气本底污染监测站采集的气溶胶样品的化学成分的分析结果，分别用Malm（1994）和Stelson（1981）提出的方法（分别记为Malm方法和Stelson方法）重建气溶胶质量浓度，并与称重获得的质量浓度进行对比，发现虽然Stelson和Malm方法所考虑的物质组成及所使用的化学成分个数并不相同，其计算结果略有差异，但总的来说两种方法都能较好的反映绝大部分的气溶胶质量，在实际应用中可以根据所分析的化学成分数据情况和研究的目的采用不同的质量重建方法。

Based on the data of aerosol chemical compositions obtained at WMO GAW (World Meteorological Organization Global Atmospheric Watch) station in eastern China-Lin' an regional background air pollution monitoring station, two methods (referred as Malm method and Stelson method) that were described by Malm and Stelson were used to study the mass closure of sampled aerosols.

通过在WMO GAW区域大气本底污染监测站－临安大气本底污染监测站采集的气溶胶样品的化学成分的分析结果，分别用Malm(1994)和Stelson(1981)提出的方法（分别记为Malm方法和Stelson方法）重建气溶胶质量浓度，并与称重获得的质量浓度进行对比，发现虽然Stelson方法和Malm方法所考虑的物质组成及所使用的化学成分个数并不相同，其计算结果略有差异，但总的来说2种方法都能较好的反映绝大部分的气溶胶质量，在实际应用中可以根据所分析的化学成分数据情况和研究的目的采用不同的质量重建方法。

These rules reflect some inherent feature of self and nonself, and they are the basic detection criterion of GECISM.

这些规则反映了"自我"和"非我"的内在特征，是GECISM进行"非我"检测的判据。

Until today, the media from China and the outside world still uses the term "Post 89". Regardless to whether it is for commercial gimmick or convenience, everybody still remember "Post 89", a term which carries a strong Cantonese accent.

时至今日，国内外艺术媒体还是在沿用&后八九&这个称谓，不管当初是为了商业噱头还是容易上口好记，反正大家现在是记住了&后八九&这个广东口音很重的词。