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RCAnalyzer: visual analytics of rare categories in dynamic networks Research

Jia-cheng PAN, Dong-ming HAN, Fang-zhou GUO, Da-wei ZHOU, Nan CAO, Jing-rui HE, Ming-liang XU, Wei CHEN

Frontiers of Information Technology & Electronic Engineering 2020, Volume 21, Issue 4,   Pages 491-506 doi: 10.1631/FITEE.1900310

Abstract: Little work focuses on detecting anomalous changing patterns in the dynamic network, the rare occurrenceIn this study, we introduce the first visual analysis system RCAnalyzer designed for detecting rare changesThe proposed system employs a rare category detection algorithm to identify anomalous changing structuresHierarchical clustering and optimal tree cut are performed on each matrix to illustrate the detected rare

Keywords： Rare category detection     Dynamic network     Visual analytics    

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Beyond bag of latent topics: spatial pyramid matching for scene category recognition

Fu-xiang LU,Jun HUANG

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 10,   Pages 817-828 doi: 10.1631/FITEE.1500070

Abstract: used in the bag-of-words model, the proposed feature can make further improvement for diverse scene categoryrule to combine information coming from multiple sources and assigns the unknown image to the scene category

Keywords： Scene category recognition     Probabilistic latent semantic analysis     Bag-of-words     Adaptive boosting    

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Distinct community assembly processes underlie significant spatiotemporal dynamics of abundant and rare

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 6, doi: 10.1007/s11783-021-1513-4

Abstract:

• Season and landform influenced spatiotemporal patterns of abundant and rare

Keywords： Rare taxa     Biogeography     Community assembly     Bacterioplankton     The Yangtze River    

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Recovery of rare and precious metals from urban mines—A review

Mengmeng Wang, Quanyin Tan, Joseph F. Chiang, Jinhui Li

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 5, doi: 10.1007/s11783-017-0963-1

Abstract: The recovery of rare and precious metals (RPMs) from urban mines has attracted increasing attention from

Keywords： Rare and precious metals (RPMs)     Distribution characteristics     Recycling technology     Emerging technology    

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Characteristics and Exploitation of Rare Earth,Rare Metal and Rare-Scattered Element Minerals in China

Wang Denghong, Sun Yan, Dai Hongzhang, Guo Weiming, Zhao Zhi, Zhao Ting,Li Jiankang, Wang Chenghui, Huang Fan, Yu Yang, Li Dexian

Strategic Study of CAE 2019, Volume 21, Issue 1,   Pages 119-127 doi: 10.15302/J-SSCAE-2019.01.017

Abstract:

China is rich in rear earth, rear metal, and rare-scattered element (suggestions for their development and utilization, and further emphasize the basic idea that “rareearth should be regulated, rare metal should be found when needed, and rare-scattered elements should

Keywords： rare earth     rear metal     and rare-scattered element minerals     resource characteristics     exploitation    

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Migration of ammonium nitrogen in ion-absorbed rare earth soils during and post mining: a column study

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 8, doi: 10.1007/s11783-023-1702-4

Abstract:

● Column experiments with an inclined slope were applied to simulate NH4–N transport.

Keywords： Ion-absorbed rare earth     Ammonium nitrogen transport     HYDRUS-2D     Numerical simulation    

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Rare tumors: a blue ocean of investigation

Frontiers of Medicine 2023, Volume 17, Issue 2,   Pages 220-230 doi: 10.1007/s11684-023-0984-z

Abstract: Although rare tumors account for a non-negligible number, the practice of precision medicine and developmentHerein, by reviewing the epidemiological data of Chinese solid tumors and publications defining raretumors in other areas, we proposed a definition of rare tumor in China, including 515 tumor types withLastly, we pinpointed the current recommendation chance for patients with rare tumors to be involvedand guarantee a bright future for rare tumor patients.

Keywords： rare tumors     diagnosis flowchart     treatment strategy     clinical trials recommendation    

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Arsenic trioxide induced rhabdomyolysis, a rare but severe side effect, in an APL patient: a case report

Haiyan He, Ran An, Jian Hou, Weijun Fu

Frontiers of Medicine 2017, Volume 11, Issue 2,   Pages 284-286 doi: 10.1007/s11684-017-0514-y

Abstract: In this report, we present a rare side effect, rhabdomyolysis, in a 68-year-old female APL patient who

Keywords： arsenic trioxide     APL     rhabdomyolysis    

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Rare-earth separation based on the differences of ionic magnetic moment via quasi-liquid strategy

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1584-1594 doi: 10.1007/s11705-022-2189-4

Abstract: The separation of rare earth elements is particularly difficult due to their similar physicochemicalThe differences of the ionic magnetic moment among rare earths are greater than that of ionic radius.Herein, a novel method based on the large ionic magnetic moment differences of rare earth elements wasRare earths were firstly dissolved in the ionic liquid, then the ordering degree of them was improvedthe Z-bond effect, and finally the magnetic moment differences between paramagnetic and diamagnetic rare

Keywords： rare earth element     different magnetic moment     magnetic separation     ionic liquid    

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Assessment of leaching behavior and human bioaccessibility of rare earth elements in typical hospital

Chunfeng Wang, Guanfei Chen, Yanchen Zhu, Dan Yao, Wanfeng Wang, Lianjun Wang

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 6, doi: 10.1007/s11783-017-0946-2

Abstract: Leaching behavior and gastrointestinal bioaccessibility of rare earth elements (REEs) from hospital waste

Keywords： Assessment     Rare earth elements     Leaching behavior     Bioaccessibility     Hospital waste    

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Preparation of rare-earth metal complex oxide catalysts for catalytic wet air oxidation

LI Ning, LI Guangming, YAO Zhenya, ZHAO Jianfu

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 2,   Pages 190-195 doi: 10.1007/s11783-007-0033-1

Abstract: Catalytic wet air oxidation (CWAO) is one of the most promising technologies for pollution abatement. Developing catalysts with high activity and stability is crucial for the application of the CWAO process. The Mn/Ce complex oxide catalysts for CWAO of high concentration phenolcontaining wastewater were prepared by coprecipitation. The catalyst preparation conditions were optimized by using an orthogonal layout method and single-factor experimental analysis. The Mn/Ce serial catalysts were characterized by Brunauer Emmett Teller (BET) analysis and the metal cation leaching was measured by inductively coupled plasma torch-atomic emission spectrometry (ICP-AES). The results show that the catalysts have high catalytic activities even at a low temperature (80?C) and low oxygen partial pressure (0.5 MPa) in a batch reactor. The metallic ion leaching is comparatively low (Mn<6.577 mg/L and Ce<0.6910 mg/L, respectively) in the CWAO process. The phenol, COD, and TOC removal efficiencies in the solution exceed 98.5% using the optimal catalyst (named CSP). The new catalyst would have a promising application in CWAO treatment of high concentration organic wastewater.

Keywords： torch-atomic emission     Brunauer     Catalytic     process     stability    

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Rare Earth Industry Towards the 21st Century

Yang Yuchun

Strategic Study of CAE 2000, Volume 2, Issue 9,   Pages 91-100

Abstract:

China has the richest rare earth resources in the world.The annual processing capacity of REO (rareAs a result, its rare earth has to rely on export.The exported rare earth accounts for two thirds of its total production.The application of rare earth in fields of metallurgy, permanent magnet, hydrogen storage alloys (nickel

Keywords： rare earth oxides     permanent magnetic materials     hydrogen storage alloy     catatyst     fuel cell     laser materials    

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Perspective and Prospects for Rare Earth Permanent Magnets Review

J.M.D. Coey

Engineering 2020, Volume 6, Issue 2,   Pages 118-130 doi: 10.1016/j.eng.2018.11.034

Abstract:

Rare earth permanent magnets constitute a mature technology, but the shock of the 2011 rare earthre-evaluation of many ideas from the 1980s and 1990s about possible new hard magnets containing little or no rareearth (or heavy rare earth).ingenuity and imagination are being used to design around them, and to exploit the available mix of rare

Keywords： Rare earth magnets     Magnetic anisotropy     Coercivity     Energy product     Magnetic composites     Additive manufacturing    

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Development Strategies for Rare Earth Functional Materials by 2035

Zhu Minggang, Sun Xu, Liu Ronghui, Xu Huibing

Strategic Study of CAE 2020, Volume 22, Issue 5,   Pages 37-43 doi: 10.15302/J-SSCAE-2020.05.006

Abstract:

Rare earth functional materials are critical and strategic in supportingIn this article, the development status and trends of the rare earth functional materials industry inTo promote the competitiveness of the rare earth functional materials in China, some policy suggestionsapplication, and enhancing the construction of advantageous teams and the development of personnel in the rare

Keywords： rare earth functional materials，critical and strategic materials，new materials power strategy 2035    

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Direct synthesis of dimethyl carbonate over rare earth oxide supported catalyst

JIANG Qi, CHENG Jiye, GAO Zhiqin

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 3,   Pages 300-303 doi: 10.1007/s11705-007-0055-z

Abstract: Solid base catalysts for the direct synthesis of dimethyl carbonate (DMC) from carbon dioxide, methanol, and propylene oxide were prepared by loading KCl and KCO on the surface of LaO, YO, CeO and NdO. The catalysts were characterized by thermogravimetric analysis (TGA) and X-ray diffraction (XRD) techniques. The catalytic activities were efficiently influenced by the preparation conditions. The optimal loading amount of KCO is 17.6% (mass) for KCl-KCO/YO and 22.2% for other catalysts. Supports affected the activity of catalyst. KCl-KCO/NdO exhibited the highest activity. The activity of KCl-KCO/YO increased with the increase of calcination temperature in the range of 800ºC–900ºC. The formation of KYO, YOCl or YO species probably promoted the catalysts.

Keywords： thermogravimetric analysis     increase     KCl-KCO/NdO     catalytic     KCl-KCO/YO    

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Title Author Date Type Operation

RCAnalyzer: visual analytics of rare categories in dynamic networks

Jia-cheng PAN, Dong-ming HAN, Fang-zhou GUO, Da-wei ZHOU, Nan CAO, Jing-rui HE, Ming-liang XU, Wei CHEN

Journal Article

Beyond bag of latent topics: spatial pyramid matching for scene category recognition

Fu-xiang LU,Jun HUANG

Journal Article

Distinct community assembly processes underlie significant spatiotemporal dynamics of abundant and rare

Journal Article

Recovery of rare and precious metals from urban mines—A review

Mengmeng Wang, Quanyin Tan, Joseph F. Chiang, Jinhui Li

Journal Article

Characteristics and Exploitation of Rare Earth,Rare Metal and Rare-Scattered Element Minerals in China

Wang Denghong, Sun Yan, Dai Hongzhang, Guo Weiming, Zhao Zhi, Zhao Ting,Li Jiankang, Wang Chenghui, Huang Fan, Yu Yang, Li Dexian

Journal Article

Migration of ammonium nitrogen in ion-absorbed rare earth soils during and post mining: a column study

Journal Article

Rare tumors: a blue ocean of investigation

Journal Article

Arsenic trioxide induced rhabdomyolysis, a rare but severe side effect, in an APL patient: a case report

Haiyan He, Ran An, Jian Hou, Weijun Fu

Journal Article

Rare-earth separation based on the differences of ionic magnetic moment via quasi-liquid strategy

Journal Article

Assessment of leaching behavior and human bioaccessibility of rare earth elements in typical hospital

Chunfeng Wang, Guanfei Chen, Yanchen Zhu, Dan Yao, Wanfeng Wang, Lianjun Wang

Journal Article

Preparation of rare-earth metal complex oxide catalysts for catalytic wet air oxidation

LI Ning, LI Guangming, YAO Zhenya, ZHAO Jianfu

Journal Article

Rare Earth Industry Towards the 21st Century

Yang Yuchun

Journal Article

Perspective and Prospects for Rare Earth Permanent Magnets

J.M.D. Coey

Journal Article

Development Strategies for Rare Earth Functional Materials by 2035

Zhu Minggang, Sun Xu, Liu Ronghui, Xu Huibing

Journal Article

Direct synthesis of dimethyl carbonate over rare earth oxide supported catalyst

JIANG Qi, CHENG Jiye, GAO Zhiqin

Journal Article