{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"研究了在真空感应炉<span style=\"color:red\">近</span><span style=\"color:red\">常</span><span style=\"color:red\">压气氛</span><span style=\"color:red\">保护</span>熔炼条件下氮在马氏体不锈钢0Cr16Ni5Mo中的溶解度,探讨了炉内<span style=\"color:red\">保护</span>气体种类、氮化铬铁加入量对钢中氮含量的影响.结果表明,炉内<span style=\"color:red\">保护</span>气体种类对钢中氮的溶解度有较大影响,氮化铬铁合金加入量对钢氮含量的影响因<span style=\"color:red\">保护</span>气体种类不同而异.","authors":[{"authorName":"马小平","id":"94f17428-3025-45f7-a889-632b21b7b37f","originalAuthorName":"马小平"},{"authorName":"王立军","id":"9d92919c-7bff-4197-a31d-4bd4d99b59cc","originalAuthorName":"王立军"},{"authorName":"刘春明","id":"9774a195-b055-4b7c-a95d-0811a57b1a37","originalAuthorName":"刘春明"}],"doi":"10.3969/j.issn.1671-6620.2009.03.003","fpage":"168","id":"6164838d-bb30-4491-adfa-c2aa498fdbea","issue":"3","journal":{"abbrevTitle":"CLYYJXB","coverImgSrc":"journal/img/cover/CLYYJXB.jpg","id":"17","issnPpub":"1671-6620","publisherId":"CLYYJXB","title":"材料与冶金学报"},"keywords":[{"id":"c6b15e4e-2440-460a-a0be-6ab74d760dac","keyword":"真空感应炉","originalKeyword":"真空感应炉"},{"id":"8fb9e11d-160d-452f-afd6-d0de6767e173","keyword":"<span style=\"color:red\">近</span><span style=\"color:red\">常</span><span style=\"color:red\">压气氛</span><span style=\"color:red\">保护</span>","originalKeyword":"近常压气氛保护"},{"id":"6b8166b8-7f83-4ad6-b465-f57862a70875","keyword":"氮化铬铁","originalKeyword":"氮化铬铁"},{"id":"ee1f6729-18d5-4dfc-986d-3e7446d4662a","keyword":"高氮马氏体不锈钢","originalKeyword":"高氮马氏体不锈钢"}],"language":"zh","publisherId":"clyyjxb200903003","title":"真空感应炉<span style=\"color:red\">近</span><span style=\"color:red\">常</span><span style=\"color:red\">压气氛</span><span style=\"color:red\">保护</span>熔炼高氮马氏体不锈钢","volume":"8","year":"2009"},{"abstractinfo":"本文采用动态测量技术和非定常流动的分析方法,对不同进口畸变条件下低速<span style=\"color:red\">压气</span>机<span style=\"color:red\">近</span>失速状态时,动叶顶部非定常流动特征进行了实验分析,从时间尺度和空间尺度,探讨了压缩系统对进口畸变效应的非定<span style=\"color:red\">常</span>响应机制.结果表明:有畸变工况下,出现大尺度扰动型的失速先兆.","authors":[{"authorName":"童志庭","id":"926c0fb3-1f5e-4551-b2f4-6fc741b82ee9","originalAuthorName":"童志庭"},{"authorName":"张靖煊","id":"bffffec0-c286-4dbe-aacc-f0dcfca6837a","originalAuthorName":"张靖煊"},{"authorName":"李美林","id":"726cf323-7c51-47ab-a786-0346e833bc46","originalAuthorName":"李美林"},{"authorName":"聂超群","id":"2b98008a-e340-4a8a-9c8e-a26ada778d01","originalAuthorName":"聂超群"}],"doi":"","fpage":"51","id":"4c453f59-c283-4f55-95bf-7ce6221069b7","issue":"1","journal":{"abbrevTitle":"GCRWLXB","coverImgSrc":"journal/img/cover/GCRWLXB.jpg","id":"32","issnPpub":"0253-231X","publisherId":"GCRWLXB","title":"工程热物理学报   "},"keywords":[{"id":"690e8f6e-4894-492e-a3b5-8edff17ab28c","keyword":"<span style=\"color:red\">压气</span>机","originalKeyword":"压气机"},{"id":"d9f85013-c7e0-49a6-ab18-ff042c8bcb04","keyword":"旋转失速","originalKeyword":"旋转失速"},{"id":"636a205e-19d7-490e-89e2-73da8f6c99df","keyword":"非定常流动","originalKeyword":"非定常流动"}],"language":"zh","publisherId":"gcrwlxb200601016","title":"不同进口畸变下低速<span style=\"color:red\">压气</span>机<span style=\"color:red\">近</span>失速状态非定<span style=\"color:red\">常</span>特征","volume":"27","year":"2006"},{"abstractinfo":"采用机匣壁动态压力测量技术对某高速亚音轴流<span style=\"color:red\">压气</span>机转子中转数可压条件下不同工况点叶尖流场进行了测量.在对试验测量结果进行详细分析的基础上,结合全通道定常数值模拟结果对试验观察到的流动现象进行了解释.结果表明:随着工况点从大流量向<span style=\"color:red\">近</span>失速工况推进,主流和间隙流交接面位置向叶片前缘平面推进,这是试验测量动态压力FFT分析中的整个带宽范围的高幅值区向叶片前缘平面移动的原因.当工况点推进到<span style=\"color:red\">近</span>失速边界的某一点时,位于叶片通道中的动态压力传感器感受信号的FFT分析中均发现了低于叶片通过频率的一定带宽的高幅值区,这表明<span style=\"color:red\">近</span>叶尖流场出现了类似于“旋转不稳定性”的非定常流动现象.","authors":[{"authorName":"吴艳辉","id":"e8015951-733b-48d0-aa42-26ab5691bdb4","originalAuthorName":"吴艳辉"},{"authorName":"吴俊峰","id":"391806e9-aece-44d2-8490-fe6c4e76e950","originalAuthorName":"吴俊峰"},{"authorName":"稂仿玉","id":"3d9b7bab-ddfc-47e3-9d47-e0132d42ce6a","originalAuthorName":"稂仿玉"},{"authorName":"王晓","id":"88a38f54-d31d-4ade-bd3b-af7dc01e76a3","originalAuthorName":"王晓"}],"doi":"","fpage":"836","id":"a6e2f374-9b98-47d5-8116-add7ce1bb788","issue":"5","journal":{"abbrevTitle":"GCRWLXB","coverImgSrc":"journal/img/cover/GCRWLXB.jpg","id":"32","issnPpub":"0253-231X","publisherId":"GCRWLXB","title":"工程热物理学报   "},"keywords":[{"id":"2f13f744-6ae5-49cd-8234-535c9a2ccfa8","keyword":"轴流<span style=\"color:red\">压气</span>机","originalKeyword":"轴流压气机"},{"id":"bfbcd4da-e925-42cc-9628-14eec0f9fed1","keyword":"<span style=\"color:red\">近</span>叶尖流场","originalKeyword":"近叶尖流场"},{"id":"0aca9438-bf73-441f-8666-523b07bc47e6","keyword":"泄漏流","originalKeyword":"泄漏流"},{"id":"fa4f7c01-ab6d-43e9-9b87-960e2554e670","keyword":"非定常性","originalKeyword":"非定常性"}],"language":"zh","publisherId":"gcrwlxb201305009","title":"轴流<span style=\"color:red\">压气</span>机转子<span style=\"color:red\">近</span>叶尖流动的试验和数值研究之一:准定<span style=\"color:red\">常</span>工况流动特征分析","volume":"34","year":"2013"},{"abstractinfo":"通过双时间步求解三维非定<span style=\"color:red\">常</span>N-S方程,获取多级<span style=\"color:red\">压气</span>机内部非定<span style=\"color:red\">常</span>流场细节,为深刻认识多级、逆压环境下叶轮机内部非定常流动特征,进而提高其性能提供有益参考,分析结果表明:动/静叶排相干对下游静子叶片表面压力分布影响随着半径增大而增大;当上游尾迹输运至下游叶片通道时,低能量气流团将会充分与主流掺混,可能导致损失增加,当上游尾迹区域输运至下游静子前缘时,对应的叶栅通道低马赫数区域相对较小;由于下游静子叶片的位势作用,其对上游转子叶片尾缘流动结构产生较大影响,随着流面半径增大,下游叶片对上游流场的位势作用愈明显,非定<span style=\"color:red\">常</span>分离流动形式差别愈大.","authors":[{"authorName":"王掩刚","id":"1bb0285c-1dc4-44b4-a797-289addae60ab","originalAuthorName":"王掩刚"},{"authorName":"刘波","id":"abf074b6-ef24-41f7-b939-63977d727367","originalAuthorName":"刘波"},{"authorName":"管继伟","id":"ba034474-f499-4cda-a2de-c1ee9024109b","originalAuthorName":"管继伟"},{"authorName":"马昌友","id":"b63d9ff1-2e06-49c2-99b1-1fae9e951e34","originalAuthorName":"马昌友"}],"doi":"","fpage":"125","id":"5f57622c-6802-4b92-9a71-c17d83892097","issue":"z1","journal":{"abbrevTitle":"GCRWLXB","coverImgSrc":"journal/img/cover/GCRWLXB.jpg","id":"32","issnPpub":"0253-231X","publisherId":"GCRWLXB","title":"工程热物理学报   "},"keywords":[{"id":"7de84f87-d7e3-4c83-b576-7d6b8ae9b5f9","keyword":"多级<span style=\"color:red\">压气</span>机","originalKeyword":"多级压气机"},{"id":"08d4e171-614d-4d3d-9d3e-5171ffbedbd9","keyword":"非定<span style=\"color:red\">常</span>流","originalKeyword":"非定常流"},{"id":"b42e1441-6147-48c6-8b3c-d0a108403326","keyword":"动/静相干","originalKeyword":"动/静相干"},{"id":"e0718e75-0043-420d-ad4b-35868cafe9c5","keyword":"尾迹","originalKeyword":"尾迹"}],"language":"zh","publisherId":"gcrwlxb2007z1032","title":"多级<span style=\"color:red\">压气</span>机非定<span style=\"color:red\">常</span>流场数值分析","volume":"28","year":"2007"},{"abstractinfo":"对跨音<span style=\"color:red\">压气</span>机Rotor35进行单通道全三维定<span style=\"color:red\">常</span>/非定常数值模拟,并与试验总性能和流场分布对比校核了数值计算精度。以此为基础开展的<span style=\"color:red\">近</span>失速工况点的非定<span style=\"color:red\">常</span>计算发现,来自相邻叶片通道未形成泄漏涡的间隙泄漏流体与来流、激波与泄漏涡干涉形成的低能破碎区相互作用形成了叶尖二次涡。叶尖二次涡向下游运动过程中,其所处的位置和产生的阻塞影响了<span style=\"color:red\">近</span>叶顶载荷的分布,最终使得叶尖部流场出现了循环往复的自维持的非定<span style=\"color:red\">常</span>波动现象。","authors":[{"authorName":"吴艳辉","id":"b3b77ba9-37eb-4274-a081-9966a5bafa6e","originalAuthorName":"吴艳辉"},{"authorName":"赵奎","id":"8fe2e1e9-97f9-439c-99a2-cb43a03971fa","originalAuthorName":"赵奎"},{"authorName":"田江涛","id":"f17a0d02-5388-4b74-9939-b37bc30bd347","originalAuthorName":"田江涛"},{"authorName":"楚武利","id":"2d88cd0a-f805-410d-9431-c6ddaf115b81","originalAuthorName":"楚武利"}],"doi":"","fpage":"401","id":"242d4605-57bf-4712-bb4c-a5a17bf3a8da","issue":"3","journal":{"abbrevTitle":"GCRWLXB","coverImgSrc":"journal/img/cover/GCRWLXB.jpg","id":"32","issnPpub":"0253-231X","publisherId":"GCRWLXB","title":"工程热物理学报   "},"keywords":[{"id":"054d27da-eb59-40a8-a9a6-7bbcd28c7615","keyword":"轴流<span style=\"color:red\">压气</span>机","originalKeyword":"轴流压气机"},{"id":"76e0fba2-e21c-4802-afeb-ffd860ee58ef","keyword":"非定常流动","originalKeyword":"非定常流动"},{"id":"803e67b3-1005-457a-9e40-fd7de1a74d1d","keyword":"泄漏涡","originalKeyword":"泄漏涡"},{"id":"05561077-8543-4811-b15f-c5271ff4079e","keyword":"叶尖二次涡","originalKeyword":"叶尖二次涡"}],"language":"zh","publisherId":"gcrwlxb201203010","title":"跨音<span style=\"color:red\">压气</span>机转子<span style=\"color:red\">近</span>失速工况叶尖非定常流动分析","volume":"33","year":"2012"},{"abstractinfo":"通过对原料机械活化处理,在<span style=\"color:red\">近</span><span style=\"color:red\">常</span>压下无需外部激活和加热,即可与空气中的氮气反应,得到单项氮化铝粉体.结合XRD和SEM分析,得出不同工艺条件对所得产物的影响,并提出了这种反应的可能机理.","authors":[{"authorName":"金学湛","id":"c20ebb96-8fde-454a-9a6c-c34fb1eae422","originalAuthorName":"金学湛"},{"authorName":"陈克新","id":"7427fc93-ce25-4c2e-a22d-f689794bef87","originalAuthorName":"陈克新"}],"doi":"","fpage":"155","id":"990550e8-9ac4-4078-b708-e760525a6d9d","issue":"z1","journal":{"abbrevTitle":"XYJSCLYGC","coverImgSrc":"journal/img/cover/XYJSCLYGC.jpg","id":"69","issnPpub":"1002-185X","publisherId":"XYJSCLYGC","title":"稀有金属材料与工程"},"keywords":[{"id":"a70d3923-39e9-482c-9a9b-603eae1eb923","keyword":"<span style=\"color:red\">近</span><span style=\"color:red\">常</span>压","originalKeyword":"近常压"},{"id":"6b9ceb59-502c-4a46-ae15-e18ef9e14f2e","keyword":"氮化铝","originalKeyword":"氮化铝"},{"id":"461ad41e-ae45-4b20-8ec9-ae139ba87dc0","keyword":"预处理","originalKeyword":"预处理"}],"language":"zh","publisherId":"xyjsclygc2005z1044","title":"<span style=\"color:red\">近</span><span style=\"color:red\">常</span>压机械活化制备氮化铝粉体","volume":"34","year":"2005"},{"abstractinfo":"实验研究了非定<span style=\"color:red\">常</span>等离子体射流对低速单转子轴流<span style=\"color:red\">压气</span>机稳定工作范围的影响.实验在低速单转子轴流<span style=\"color:red\">压气</span>机实验台上开展,在<span style=\"color:red\">压气</span>机转子前缘处布置一组等离子体激励器,通过施加非定<span style=\"color:red\">常</span>等离子体激励,在<span style=\"color:red\">压气</span>机转速为1500～2400r/min下实现了<span style=\"color:red\">压气</span>机扩稳.实验测量表明需要协调好激励器布置位置和激励强度之间的矛盾,将激励器靠近转子前缘对叶尖泄漏流的作用更强,不过距离转子过<span style=\"color:red\">近</span>会造成激励器与叶片之间易于爬电,这样无法提高激励强度,反而不利于扩稳,通过反复实验,发现在转子前缘19 mm布置激励器时不会发生爬电且扩稳效果比较理想.为了对等离子体诱导射流发生的反作用力有定量认识,利用电子天平测量了不同激励电压下反作用力的大小.","authors":[{"authorName":"李钢","id":"7a39064e-1cc1-4b9e-a479-734db6b03eb9","originalAuthorName":"李钢"},{"authorName":"杨凌元","id":"c7f2d856-5836-413e-9a2a-4d5c88608c94","originalAuthorName":"杨凌元"},{"authorName":"聂超群","id":"9cebedcd-65f0-4690-a94e-5f9fa9e99718","originalAuthorName":"聂超群"},{"authorName":"朱俊强","id":"90f3bde9-ca65-44b9-81aa-26eeb8e8d784","originalAuthorName":"朱俊强"},{"authorName":"徐燕骥","id":"8ec7ce31-2e5a-470c-a049-a3014e036f40","originalAuthorName":"徐燕骥"}],"doi":"","fpage":"50","id":"e4213a3e-4960-43a2-bbaa-1e146e599164","issue":"1","journal":{"abbrevTitle":"GCRWLXB","coverImgSrc":"journal/img/cover/GCRWLXB.jpg","id":"32","issnPpub":"0253-231X","publisherId":"GCRWLXB","title":"工程热物理学报   "},"keywords":[{"id":"1c820fcb-f239-436c-846d-9e87efb23324","keyword":"<span style=\"color:red\">压气</span>机","originalKeyword":"压气机"},{"id":"81b80579-0e76-4a62-a7c8-25d0804b5a8e","keyword":"扩稳","originalKeyword":"扩稳"},{"id":"0b156cdd-21c1-4df8-a3e2-2bbc3edc3a7a","keyword":"流动控制","originalKeyword":"流动控制"},{"id":"63f7e8d8-9033-42ef-8609-d0a18e81e7dc","keyword":"等离子体射流","originalKeyword":"等离子体射流"},{"id":"384d09b0-0df5-40eb-ab2c-d48f8c925011","keyword":"非定<span style=\"color:red\">常</span>激励","originalKeyword":"非定常激励"}],"language":"zh","publisherId":"gcrwlxb201301012","title":"利用等离子体非定<span style=\"color:red\">常</span>射流实现单转子轴流<span style=\"color:red\">压气</span>机扩稳","volume":"34","year":"2013"},{"abstractinfo":"采用机匣壁动态压力测量技术对某高速亚音轴流<span style=\"color:red\">压气</span>机转子中转数可压条件下不同工况点叶尖流场进行了测量.在对<span style=\"color:red\">近</span>失速工况点试验测量结果进行详细分析的基础上,结合全通道非定<span style=\"color:red\">常</span>的数值模拟对试验观察到的流动现象进行了解释.结果表明:随着工况点向失速边界点推进,叶尖区出现的非定常流动现象(旋转不稳定性)增强,且该非定常流动现象的活动频率随流场的调整在一定带宽范围内变化;通过非定常数值模拟结果与试验测量结果的对比分析表明,叶尖通道中以一定周期活动的TSV的出现是旋转不稳定性流动现象出现的流体动力学机制.","authors":[{"authorName":"吴艳辉","id":"544b3159-98c8-4d6f-b82e-77d4a4f30858","originalAuthorName":"吴艳辉"},{"authorName":"吴俊峰","id":"00e026df-d353-4a14-af3c-569c3ac9d69d","originalAuthorName":"吴俊峰"},{"authorName":"稂仿玉","id":"a656a2c0-9c4b-43fa-8875-93a5cf4b84dd","originalAuthorName":"稂仿玉"},{"authorName":"王晓","id":"1415eb16-10a9-4da5-8c98-49a103f04844","originalAuthorName":"王晓"}],"doi":"","fpage":"60","id":"9718841d-20d3-4fdf-b905-c8eb37f03e45","issue":"1","journal":{"abbrevTitle":"GCRWLXB","coverImgSrc":"journal/img/cover/GCRWLXB.jpg","id":"32","issnPpub":"0253-231X","publisherId":"GCRWLXB","title":"工程热物理学报   "},"keywords":[{"id":"cb00c677-1060-4136-8812-6f6fc0d6bc52","keyword":"轴流<span style=\"color:red\">压气</span>机","originalKeyword":"轴流压气机"},{"id":"a58ffc59-554d-4fa2-9e36-5509982a65cb","keyword":"非定常性","originalKeyword":"非定常性"},{"id":"42aef3de-56c4-4586-902f-f962b520da13","keyword":"叶尖二次涡","originalKeyword":"叶尖二次涡"},{"id":"bac0d736-7025-4754-b25a-e642a6fbd589","keyword":"旋转不稳定性","originalKeyword":"旋转不稳定性"}],"language":"zh","publisherId":"gcrwlxb201401014","title":"轴流<span style=\"color:red\">压气</span>机转子<span style=\"color:red\">近</span>叶尖流动的试验和数值研究之二:<span style=\"color:red\">近</span>失速工况流动特征分析","volume":"35","year":"2014"},{"abstractinfo":"在轴流<span style=\"color:red\">压气</span>机的顶部实施了微量喷气来抑制失速,喷气量为<span style=\"color:red\">压气</span>机流量的0.5‰.如此微量的喷气不足以通过稳态方式来改变流动结构,而是通过改变<span style=\"color:red\">压气</span>机的非定<span style=\"color:red\">常</span>边界的方法对系统的稳定性产生影响.实施微量喷气后<span style=\"color:red\">压气</span>机的稳态特性没有发生变化.实验比较了不同的喷射攻角的失速抑制效果并采用常规方法对相应的周向动态压力信号进行了分析.","authors":[{"authorName":"徐纲","id":"34678d53-6c5a-4e13-8039-52f25a20914e","originalAuthorName":"徐纲"},{"authorName":"程晓斌","id":"bb76b6f9-80ab-4c14-85ba-dc367c5da33d","originalAuthorName":"程晓斌"},{"authorName":"聂超群","id":"c7f601c8-c6b0-4833-8f70-7e2521499f80","originalAuthorName":"聂超群"},{"authorName":"陈静宜","id":"c9cd812c-3cb5-48ca-9e47-d97699bf20b8","originalAuthorName":"陈静宜"}],"doi":"","fpage":"27","id":"a3666055-7a01-4de4-be3e-c9a4ea09e37a","issue":"1","journal":{"abbrevTitle":"GCRWLXB","coverImgSrc":"journal/img/cover/GCRWLXB.jpg","id":"32","issnPpub":"0253-231X","publisherId":"GCRWLXB","title":"工程热物理学报   "},"keywords":[{"id":"d0c6ab72-6c5b-4ac6-af2a-81e4a97473de","keyword":"旋转失速","originalKeyword":"旋转失速"},{"id":"ab3126c4-eeb7-4c54-8fe8-508a93f98aa1","keyword":"主动控制","originalKeyword":"主动控制"},{"id":"54f1c9f2-6c08-4c39-9353-f708027813f6","keyword":"喷气","originalKeyword":"喷气"}],"language":"zh","publisherId":"gcrwlxb200201008","title":"两级低速轴流<span style=\"color:red\">压气</span>机的喷气实验的非定<span style=\"color:red\">常</span>响应","volume":"23","year":"2002"},{"abstractinfo":"利用数值方法研究了某低速轴流孤立<span style=\"color:red\">压气</span>机转子中非定<span style=\"color:red\">常</span>叶顶间隙流的流动特征和频率特性.结果显示转子顶部区域的压力脉动主要来源于叶顶泄漏涡的非定<span style=\"color:red\">常</span>波动.波动的具体形式表现为泄漏涡瞬态空间位置、尺度和形态的周期性变化,波动频率为1266 Hz.","authors":[{"authorName":"邓向阳","id":"38c5cfd0-8f69-4fe3-8226-e86b5b4c3a19","originalAuthorName":"邓向阳"},{"authorName":"张宏武","id":"e7ee680c-9a57-4334-a4b0-b580d00e714c","originalAuthorName":"张宏武"},{"authorName":"朱俊强","id":"1031b7da-59b0-49be-97e7-bb47a72c6855","originalAuthorName":"朱俊强"},{"authorName":"陈静宜","id":"51da6af9-aaf4-4817-b52c-4538e7924e8c","originalAuthorName":"陈静宜"},{"authorName":"黄伟光","id":"eca5332d-729e-41e0-88b3-0c7183ba62c1","originalAuthorName":"黄伟光"}],"doi":"","fpage":"229","id":"40f3ba58-d675-4a2d-a162-b84e3f2dbfa5","issue":"2","journal":{"abbrevTitle":"GCRWLXB","coverImgSrc":"journal/img/cover/GCRWLXB.jpg","id":"32","issnPpub":"0253-231X","publisherId":"GCRWLXB","title":"工程热物理学报   "},"keywords":[{"id":"9b482589-ea49-4407-bd22-1fadb0248dbe","keyword":"顶部间隙流","originalKeyword":"顶部间隙流"},{"id":"df031b89-586e-4f20-b466-88263ef160b6","keyword":"非定常流动","originalKeyword":"非定常流动"},{"id":"3df1afb5-ece3-4a45-bdd1-105f7b340e5e","keyword":"频率","originalKeyword":"频率"},{"id":"ec7a67a6-a7ff-40bf-b174-e45de11a8bce","keyword":"<span style=\"color:red\">压气</span>机","originalKeyword":"压气机"}],"language":"zh","publisherId":"gcrwlxb200602016","title":"<span style=\"color:red\">压气</span>机非定<span style=\"color:red\">常</span>叶顶间隙流的数值模拟研究","volume":"27","year":"2006"}],"totalpage":1395,"totalrecord":13946}