Can digital technology innovation contribute to firms' market value? von Ran, Lijun, Zhang, Qi, Li, Xin

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Does the dual circulation coupling synergy facilitate firm survival?——Evidence from China von Ran, Lijun, Li, Xin, Wang, Kang, Liu, Huihui

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Can digital technology remove impediments in the dual circulation?—An enterprise cycle efficiency perspective von Ran, Lijun, Wang, Kang, Sun, Jiamin, Qu, Yahui

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The Impact of Digital Transformation on Enterprise Capacity Utilization Under the Background of “Dual Circulation” von Ran, Lijun, Wang, Kang, Zhang, Qi

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Analysis on the Method of Coordination Evaluation of Regional Statistical Indicators-An Empirical Study Based on Business Cycle Theory and State Space Model von Liu, Jinyang, Zhu, Sheng, Ran, Lijun

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Does the dual circulation coupling synergy facilitate firm survival?——Evidence from China von Lijun Ran, Xin Li, Kang Wang, Huihui Liu

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Telescopic bridge support for hydraulic engineering emergency von RAN LIJUN

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Pipeline burying device for water conservancy project and using method von RAN LIJUN

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Battery jar cover of insulin pump von RAN LIJUN

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Preliminary Calculation of Electromagnetic Loads on Vacuum Vessel of HL-2M von Cai, Lijun, Liu, Dequan, Ran, Hong, Li, Jiaxian, Li, Yong, Cao, Zeng

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Super capacitor energy storage power supply equipment von LIU MINGQIANG, RAN LIJUN, LIU QINGSHENG

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Novel insulin pump protection device von LI YUFENG, RAN LIJUN

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Throat sputum removing sleeve von DING JUN, LI YUFENG, RAN LIJUN

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Quantitative evaluation method for water saturation of strong heterogeneity clastic rock reservoir von CHENG CHAO, YE YU, LI XI, RAN LIJUN, LIU XIANGJUN, LI KAIFA

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Comprehensive evaluation method and system for evidence-based execution condition of pollution discharge permission evidence-holding unit von WANG XIAOYAN, ZHAO YINHUI, LU YALING, JING HONG, RAN LIJUN, LIU YIMAN, WANG JUNXIA

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Enrichment of heavy metals in coal gangue by puff balls and mechanism research von Chen, Miao, Zhu, Lijun, Wu, Yonggui, Fu, Tianling, Ran, Yan

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Mud scraper fixing device von HE JIANKE, LI JUN, YAN GENGPING, ZENG QING, LI LISONG, YUAN YUAN, SU BO, HUANG HE, XU YANLONG, QU FENGCHAO, XIA LONG, WANG KAIYU, WANG HENG, YANG DESHAN, PANG QIUWEI, CHEN YANGYANG, FAN KUN, LUO QINGYUN, WANG CHAO, LU MINGYU, SUN HAIHANG, RAN LIJUN, LIU QIYAO

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Beam -pumping unit well casing post von LI RUOZHU, SHI TAO, LI JUN, YUAN YUAN, QIAO XIA, XU CHENGYU, ZHAO AN, WANG CHAO, RAN LIJUN, LIU QIYAO, WANG SHAN

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Rapid temperature detection tool for pressure vessel von WANG YAO, HU SUMING, YIN KETAO, ZHOU YAO, MENG XUEMIN, SUN CHEN, RAN LIJUN

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Method and device for recognizing low-grade fault of deep tight sandstone gas reservoir von Hu Suming, Ran Lijun, Wang Yandong, Chang Lunjie, Shu Zhongqian, Sun Yong, Ping Jianwei, Meng Xuemin, Wu Yongping, Sun Zhixue, Yang Min, Zheng Guangquan, Zhang Jie, Bai Xiaojia, Jiang Tongwen

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