Search Results - "GUOZHEN XU"

Intensified continental chemical weathering and carbon-cycle perturbations linked to volcanism during the Triassic–Jurassic transition by Shen, Jun, Yin, Runsheng, Zhang, Shuang, Algeo, Thomas J., Bottjer, David J., Yu, Jianxin, Xu, Guozhen, Penman, Donald, Wang, Yongdong, Li, Liqin, Shi, Xiao, Planavsky, Noah J., Feng, Qinglai, Xie, Shucheng

“…Direct evidence of intense chemical weathering induced by volcanism is rare in sedimentary successions. Here, we undertake a multiproxy analysis (including…”
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Investigating the Performance of IGS Real-Time Global Ionospheric Maps under Different Solar Conditions by Liu, Hang, Ren, Xiaodong, Xu, Guozhen

“…In recent years, real-time global ionospheric map (RT-GIM) products have been actively developed by the international global navigation satellite system (GNSS)…”
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Tracing the provenance of volcanic ash in Permian–Triassic boundary strata, South China: Constraints from inherited and syn-depositional magmatic zircons by Zhao, Tianyu, Algeo, Thomas J., Feng, Qinglai, Zi, Jian-Wei, Xu, Guozhen

“…The Permian-Triassic boundary (PTB) mass extinction, the most severe biocrisis in Earth's history, is thought to have been triggered by catastrophic volcanic…”
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Limited change in silicate chemical weathering intensity during the Permian–Triassic transition indicates ineffective climate regulation by weathering feedbacks by Xu, Guozhen, Shen, Jun, Algeo, Thomas J., Yu, Jianxin, Feng, Qinglai, Frank, Tracy D., Fielding, Christopher R., Yan, Jiaxin, Deconink, Jean-François, Lei, Yong

“…Vast emissions of volcanogenic greenhouse gases resulted in rapid global warming during the latest Permian mass extinction (LPME, ∼252 Ma), the impact of which…”
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High-resolution clay mineral and major elemental characterization of a Permian-Triassic terrestrial succession in southwestern China: Diagenetic and paleoclimatic/paleoenvironmental significance by Xu, Guozhen, Feng, Qinglai, Deconinck, Jean François, Shen, Jun, Zhao, Tianyu, Young, Allison L.

“…Relatively high-resolution clay mineralogical and chemical index of alteration (CIA) analyses were conducted on the terrestrial Lubei section in southwestern…”
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Clay mineralogical characteristics at the Permian–Triassic Shangsi section and their paleoenvironmental and/or paleoclimatic significance by Xu, Guozhen, Deconinck, Jean–François, Feng, Qinglai, Baudin, François, Pellenard, Pierre, Shen, Jun, Bruneau, Ludovic

“…High–resolution clay mineralogical investigations were conducted on the Permian–Triassic (P–Tr) carbonate– and siliceous rocks from the Shangsi section, South…”
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Volcanism in South China during the Late Permian and its relationship to marine ecosystem and environmental changes by Shen, Jun, Algeo, Thomas J., Hu, Qing, Xu, Guozhen, Zhou, Lian, Feng, Qinglai

“…A deep-shelf section at Xinmin (Guizhou Province, South China) records numerous volcanic ashfall events both preceding and following the latest Permian mass…”
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Point-to-Point Efficient Grafting Improved Compatibility of Boron-Based Fuel-Rich Propellants by Liu, Jie, Wang, Deqi, Xu, Guozhen, Li, Fengsheng

“…Due to the high mass calorific value, boron powder is widely used in energetic material systems such as solid propellants and ignition powders. Especially,…”
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Induction TPF followed by concurrent chemoradiotherapy versus concurrent chemoradiotherapy alone in locally advanced hypopharyngeal cancer: a preliminary analysis of a randomized phase 2 trial by Luo, Xi, Huang, Xiaodong, Luo, Jingwei, Xiao, Jianping, Wang, Kai, Qu, Yuan, Chen, Xuesong, Zhang, Ye, Wu, Runye, Wang, Jingbo, Zhang, Jianghu, Xu, Guozhen, Gao, Li, Liu, Shaoyan, Wang, Xiaolei, He, Xiaohui, Luo, Dehong, Yi, Junlin

“…Concurrent chemoradiotherapy (CCRT) is a standard treatment choice for locally advanced hypopharyngeal carcinoma. The aim of this study was to investigate…”
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The Oxidation Process and Methods for Improving Reactivity of Al by Wang, Deqi, Xu, Guozhen, Tan, Tianyu, Liu, Shishuo, Dong, Wei, Li, Fengsheng, Liu, Jie

“…Aluminum (Al) has been widely used in micro-electromechanical systems (MEMS), polymer bonded explosives (PBXs) and solid propellants. Its typical core-shell…”
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Relative Localization within a Quadcopter Unmanned Aerial Vehicle Swarm Based on Airborne Monocular Vision by Si, Xiaokun, Xu, Guozhen, Ke, Mingxing, Zhang, Haiyan, Tong, Kaixiang, Qi, Feng

“…Swarming is one of the important trends in the development of small multi-rotor UAVs. The stable operation of UAV swarms and air-to-ground cooperative…”
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Adding Concurrent Chemotherapy to Intensity-Modulated Radiotherapy Does Not Improve Treatment Outcomes for Stage II Nasopharyngeal Carcinoma: A Phase 2 Multicenter Clinical Trial by Huang, Xiaodong, Chen, Xiaozhong, Zhao, Chong, Wang, Jingbo, Wang, Kai, Wang, Lin, Miao, Jingjing, Cao, Caineng, Jin, Ting, Zhang, Ye, Qu, Yuan, Chen, Xuesong, Liu, Qingfeng, Zhang, Shiping, Zhang, Jianghu, Luo, Jingwei, Xiao, Jianping, Xu, Guozhen, Gao, Li, Yi, Junlin

“…Purpose: To explore the efficacy of concomitant chemotherapy in intensity-modulated radiotherapy (IMRT) to treat stage II nasopharyngeal carcinoma (NPC)…”
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Antiemetic prophylaxis for chemoradiotherapy-induced nausea and vomiting in locally advanced head and neck squamous cell carcinoma: a prospective phase II trial by Wang, Zekun, Liu, Wenyang, Zhang, Jianghu, Chen, Xuesong, Wang, Jingbo, Wang, Kai, Qu, Yuan, Huang, Xiaodong, Luo, Jingwei, Xiao, Jianping, Xu, Guozhen, Gao, Li, Yi, Junlin, Zhang, Ye

“…Background There is sparse research reporting effective interventions for preventing nausea and emesis caused by concurrent chemoradiotherapy (CCRT) in locally…”
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Lymph Node Metastasis Spread Patterns and the Effectiveness of Prophylactic Neck Irradiation in Sinonasal Squamous Cell Carcinoma (SNSCC) by Liu, Qian, Qu, Yuan, Wang, Kai, Wu, Runye, Zhang, Ye, Huang, Xiaodong, Zhang, Jianghu, Chen, Xuesong, Wang, Jingbo, Xiao, Jianping, Yi, Junlin, Xu, Guozhen, Luo, Jingwei

“…To analyze the incidence and spread of lymph node metastasis (LNM) and the effectiveness of prophylactic neck irradiation in patients with SNSCC. A total of…”
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Long-term analysis of multimodality treatment outcomes and prognosis of esthesioneuroblastomas: a single center results of 138 patients by Sun, Meng, Wang, Kai, Qu, Yuan, Zhang, Jianghu, Zhang, Shiping, Chen, Xuesong, Wang, Jingbo, Wu, Runye, Zhang, Ye, Yi, Junlin, Xiao, Jianping, Xu, Guozhen, Huang, Xiaodong, Luo, Jingwei

“…Background The aim of this study is to evaluate the efficacy of different treatment strategies and the potential prognostic factors of esthesioneuroblastoma…”
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Irradiation-induced nasopharyngeal necrosis (INN) in newly diagnosed nasopharyngeal carcinoma treated by intensity-modulated radiation therapy: clinical characteristics and the influence of treatment strategies by Xu, Yi, Liu, Yang, Wang, Zekun, Wang, Jingbo, Zhang, Jianghu, Chen, Xuesong, Wu, Runye, Liu, Qingfeng, Qu, Yuan, Wang, Kai, Huang, Xiaodong, Luo, Jingwei, Gao, Li, Xu, Guozhen, Zhang, Ye, Yi, Junlin

“…To define the clinical characteristics of irradiation-induced nasopharyngeal necrosis (INN) after intensity-modulated radiotherapy (IMRT) and identify the…”
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Definitive radiotherapy for cervical esophageal cancer by Cao, Caineng, Luo, Jingwei, Gao, Li, Xu, Guozhen, Yi, Junlin, Huang, Xiaodong, Wang, Kai, Zhang, Shiping, Qu, Yuan, Li, Suyan, Xiao, Jianping, Zhang, Zhong

“…Background The role of contemporary radiotherapy (RT) has not yet been elucidated, mainly because of the low incidence of cervical esophageal cancer. The…”
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Pretreatment nutritional risk as a prognostic factor in head and neck cancer patients receiving radiotherapy or chemoradiotherapy by Liu, Weixin, Gao, Li, Huang, Xiaodong, Luo, Jingwei, Zhang, Shiping, Wang, Kai, Qu, Yuan, Xiao, Jianping, Xu, Guozhen, Li, Yexiong, Yi, Junlin

“…Background and Objectives: Head and neck cancer patients often experience nutritional deterioration, which decreases their treatment tolerance and is…”
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Prognostic impact of pathological complete remission after preoperative irradiation in patients with locally advanced head and neck squamous cell carcinoma: re-analysis of a phase 3 clinical study by Wang, Kai, Yi, Junlin, Huang, Xiaodong, Qu, Yuan, Luo, Jingwei, Xiao, Jianping, Zhang, Shiping, Tang, Yuan, Liu, Weixin, Xu, Guozhen, Gao, Li, Xu, Zhengang, Liu, Shaoyan, Wang, Xiaolei

“…The purpose of this study was to determine the associations between pathological complete remission (pCR) and clinical outcomes in patients with locally…”
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Stage‐dependent conditional survival and failure hazard of non‐metastatic nasopharyngeal carcinoma after intensity‐modulated radiation therapy: Clinical implications for treatment strategies and surveillance by Wang, Jingbo, Huang, Xiaodong, Sun, Shiran, Wang, Kai, Qu, Yuan, Chen, Xuesong, Wu, Runye, Zhang, Ye, Liu, Qingfeng, Zhang, Jianghu, Luo, Jingwei, Xiao, Jianping, Gao, Li, Xu, Guozhen, Hu, Chen, Li, Ye‐Xiong, Yi, Junlin

“…Purpose Conditional survival (CS) and failure hazard estimations can provide important dynamic prognostic information for clinical decision‐making and…”
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