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Endothermic theory: When the flame retardant is heated, endothermic reactions occur, such as decomposition, melting, sublimation, phase change, etc., which make the fiber dissipate heat rapidly and fail to reach the combustion temperature.Ha Xuesheng, director of the program department of CCTV's financial channel, believes that cultural media, charming cities and industrial capital are the three carriages of the alliance and are indispensable. The "Charming China City-City Alliance" is first a resource platform for the cultural and tourism industry, forming an ecological circle of resource sharing under the framework of "media + city + industry". Secondly, according to the needs of the city, it provides support, assistance and services for strategic planning and tactical guidance in the aspects of city brand building, city image publicity, city cultural tourism resources development, and research and development of innovative and creative products in the city cultural tourism industry. Third, it is an open platform for the exchange of cultural and tourism industries. It is also a platform for the exchange of experiences, industrial cooperation and exchange of needs between cities inside and outside the alliance. Fourth, it is the operating platform of "all-in-one card".Before decorator!一群走投无路并急需金钱的人收到神秘邀请，邀请他们共同加入一场游戏。为了赢取 456 亿韩元的奖金，背景各异的 456 名参赛者被关在秘密场所进行游戏。每一轮游戏都是韩国人小时候会玩的传统游戏，如一二三木头人，但闯关失败的后果是死亡。谁将是最终赢家，这个游戏的目的是什么？15岁的高中生科迪（弗朗基·穆尼兹 Frankie Muniz 饰）平凡得不能再平凡。他和所有年轻人一样，喜欢滑板，讨厌功课，爱出风头，但在喜欢的女孩面前却又结结巴巴。正因为他的平凡，毫不引人注目，所以中情局今次把他招了进来。在接受了一系列特训后，科迪接受了他的生平第一 个任务。一到书店，王墨就看到笑傲江湖的大型海报。本片是一部充满神奇、感人，同时又给予人们希望和欢乐的电影。主要讲述了顽皮小狗偷乘圣诞老人的雪橇，以恶作剧的方式到达一个新的世界，开始给予快乐祝愿所有的男孩和女孩，但出了可怕的错误，那就是圣诞节的精神开始消失。现在的圣诞老人的幼崽和克劳斯夫人必须拯救世界各地的圣诞节......