Search Results - "Qi, Guodong"

A Novel Walking Detection and Step Counting Algorithm Using Unconstrained Smartphones by Kang, Xiaomin, Huang, Baoqi, Qi, Guodong

“…Recently, with the development of artificial intelligence technologies and the popularity of mobile devices, walking detection and step counting have gained…”
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Transfer Channel of Photoinduced Holes on a TiO2 Surface As Revealed by Solid-State Nuclear Magnetic Resonance and Electron Spin Resonance Spectroscopy by Liu, Fen, Feng, Ningdong, Wang, Qiang, Xu, Jun, Qi, Guodong, Wang, Chao, Deng, Feng

“…The detailed structure–activity relationship of surface hydroxyl groups (Ti–OH) and adsorbed water (H2O) on the TiO2 surface should be the key to clarifying…”
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Mapping the oxygen structure of γ-Al2O3 by high-field solid-state NMR spectroscopy by Wang, Qiang, Li, Wenzheng, Hung, Ivan, Mentink-Vigier, Frederic, Wang, Xiaoling, Qi, Guodong, Wang, Xiang, Gan, Zhehong, Xu, Jun, Deng, Feng

“…γ-Al 2 O 3 is one of the most widely used catalysts or catalyst supports in numerous industrial catalytic processes. Understanding the structure of γ-Al 2 O 3…”
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Influence of the molecular structure of a polycarboxylate superplasticiser on the dispersion of graphene oxide in cement pore solutions and cement-based composites by Qin, Wang, Guodong, Qi, Dafu, Zhan, Yue, Wang, Haiyu, Zheng

“…[Display omitted] •All of the molecular structures of PCE can effectively remedy the agglomeration behavior of GO.•PCEs are adsorbed on the surface of GO…”
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Extra‐Framework Aluminum‐Assisted Initial C−C Bond Formation in Methanol‐to‐Olefins Conversion on Zeolite H‐ZSM‐5 by Wang, Chao, Chu, Yueying, Xu, Jun, Wang, Qiang, Qi, Guodong, Gao, Pan, Zhou, Xue, Deng, Feng

“…Surface methoxy species bound to an extra‐framework Al (SMS‐EFAL) was unambiguously identified by advanced 13C‐{27Al} double‐resonance solid‐state NMR…”
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Observation of an oxonium ion intermediate in ethanol dehydration to ethene on zeolite by Zhou, Xue, Wang, Chao, Chu, Yueying, Xu, Jun, Wang, Qiang, Qi, Guodong, Zhao, Xingling, Feng, Ningdong, Deng, Feng

“…Zeolite-catalyzed dehydration of ethanol offers promising perspectives for the sustainable production of ethene. Complex parallel-consecutive pathways are…”
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Dual Active Sites on Molybdenum/ZSM‐5 Catalyst for Methane Dehydroaromatization: Insights from Solid‐State NMR Spectroscopy by Gao, Wei, Qi, Guodong, Wang, Qiang, Wang, Weiyu, Li, Shenhui, Hung, Ivan, Gan, Zhehong, Xu, Jun, Deng, Feng

“…Methane dehydroaromatization (MDA) on Mo/ZSM‐5 zeolite catalyst is promising for direct transformation of natural gas. Understanding the nature of active sites…”
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Sustainable Synthesis of Zeolites without Addition of Both Organotemplates and Solvents by Wu, Qinming, Wang, Xiong, Qi, Guodong, Guo, Qiang, Pan, Shuxiang, Meng, Xiangju, Xu, Jun, Deng, Feng, Fan, Fengtao, Feng, Zhaochi, Li, Can, Maurer, Stefan, Müller, Ulrich, Xiao, Feng-Shou

“…The development of sustainable and environmentally friendly techniques for synthesizing zeolites has attracted much attention, as the use of organic templates…”
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A Mechanistic Study of Methanol-to-Aromatics Reaction over Ga-Modified ZSM‑5 Zeolites: Understanding the Dehydrogenation Process by Gao, Pan, Xu, Jun, Qi, Guodong, Wang, Chao, Wang, Qiang, Zhao, Yanxi, Zhang, Yuhua, Feng, Ningdong, Zhao, Xingling, Li, Jinlin, Deng, Feng

“…The methanol-to-aromatics (MTA) reaction was investigated on Ga-modified ZSM-5 zeolites (Ga/ZSM-5). As revealed by 71Ga and 1H solid-state NMR and FT-IR of…”
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π‐Interactions between Cyclic Carbocations and Aromatics Cause Zeolite Deactivation in Methanol‐to‐Hydrocarbon Conversion by Wang, Chao, Hu, Min, Chu, Yueying, Zhou, Xue, Wang, Qiang, Qi, Guodong, Li, Shenhui, Xu, Jun, Deng, Feng

“…The understanding of catalyst deactivation represents one of the major challenges for the methanol‐to‐hydrocarbon (MTH) reaction over acidic zeolites. Here we…”
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Brønsted/Lewis Acid Synergy in Methanol-to-Aromatics Conversion on Ga-Modified ZSM‑5 Zeolites, As Studied by Solid-State NMR Spectroscopy by Gao, Pan, Wang, Qiang, Xu, Jun, Qi, Guodong, Wang, Chao, Zhou, Xue, Zhao, Xingling, Feng, Ningdong, Liu, Xiaolong, Deng, Feng

“…1H–71Ga internuclear spatial proximity/interaction between Brønsted acid site (BAS) and cationic Ga species (Lewis acid sites) in Ga-modified ZSM-5 zeolites,…”
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Pairwise Stereoselective Hydrogenation of Propyne on Supported Pd–Ag Catalysts Investigated by Parahydrogen-Induced Polarization by Wang, Weiyu, Wang, Qiang, Chu, Yueying, Qi, Guodong, Li, Shenhui, Xu, Jun, Deng, Feng

“…Alkyne semihydrogenation offers a key approach for the synthesis of stereodefined molecules. The stereoselective hydrogenation of propyne to propene over…”
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Low-Temperature Reactivity of Zn+ Ions Confined in ZSM‑5 Zeolite toward Carbon Monoxide Oxidation: Insight from in Situ DRIFT and ESR Spectroscopy by Qi, Guodong, Xu, Jun, Su, Jihu, Chen, Jiafu, Wang, Xiumei, Deng, Feng

“…We report the low-temperature catalytic reactivity of Zn+ ions confined in ZSM-5 zeolite toward CO oxidation. In situ DRIFT and ESR spectroscopy demonstrated…”
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Knowledge-based neural network SPICE modeling for MOSFETs and its application on 2D material field-effect transistors by Qi, Guodong, Chen, Xinyu, Hu, Guangxi, Zhou, Peng, Bao, Wenzhong, Lu, Ye

“…As the traditional scaling of silicon metal-oxide-semiconductor field-effect transistors (MOSFETs) reaches its physical limit, research efforts on novel…”
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NMR-Spectroscopic Evidence of Intermediate-Dependent Pathways for Acetic Acid Formation from Methane and Carbon Monoxide over a ZnZSM-5 Zeolite Catalyst by Wang, Xiumei, Qi, Guodong, Xu, Jun, Li, Bojie, Wang, Chao, Deng, Feng

“…Two ways: A Zn‐modified ZSM‐5 zeolite catalyst was developed for the reaction of methane with carbon monoxide to directly produce acetic acid (see scheme)…”
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Insight into Dimethyl Ether Carbonylation Reaction over Mordenite Zeolite from in-Situ Solid-State NMR Spectroscopy by Li, Bojie, Xu, Jun, Han, Bing, Wang, Xiumei, Qi, Guodong, Zhang, Zhengfeng, Wang, Chao, Deng, Feng

“…Carbonylation of dimethyl ether (DME) with CO over H-mordenite (H-MOR) zeolites from 423 to 573 K was studied by in-situ 13C solid-state NMR spectroscopy. The…”
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Synergic Effect of Active Sites in Zinc-Modified ZSM-5 Zeolites as Revealed by High-Field Solid-State NMR Spectroscopy by Qi, Guodong, Wang, Qiang, Xu, Jun, Trébosc, Julien, Lafon, Olivier, Wang, Chao, Amoureux, Jean-Paul, Deng, Feng

“…Understanding the nature of active sites in metal‐supported catalysts is of great importance towards establishing their structure–property relationships. The…”
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Unveiling the Mechanism of Glycerol Oxidation to Lactic Acid on Pt/Sn-MFI Zeolite: an In situ Solid-state NMR Study by Shen, Xueyuan, Qi, Guodong, Liang, Jiawei, Wang, Ruichen, Xu, Jun, Deng, Feng

“…Heterogeneous glycerol (GLY) oxidation offers a promising route for the production of lactic acid (LA), a key monomer in biodegradable bioplastics. However,…”
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Microscopic Mechanism for the Displacement of Shale Oil by CO2 in Organic Nanopores by Dou, Xiangji, Zhu, Pengfei, Qi, Guodong, He, Yanfeng, Shao, Dongdong, Qian, Kun

“…The effective displacement of the shale oil from organic nanopores plays a significant role in development of the shale oil reservoirs. In order to deeply…”
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Direct observation of tin sites and their reversible interconversion in zeolites by solid-state NMR spectroscopy by Qi, Guodong, Wang, Qiang, Xu, Jun, Wu, Qinming, Wang, Chao, Zhao, Xingling, Meng, Xiangju, Xiao, Fengshou, Deng, Feng

“…Metal-substituted zeolites are an important type of solid Lewis acid with a wide range of applications. Despite the importance of this type of catalyst,…”
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