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Control of the agglomeration of crystals in the reactive crystallization of 5-(difluoromethoxy)-2-mercaptoof the agglomeration of crystals in the reactive crystallization of 5-(difluoromethoxy)-2-mercapto-1

Yongli WANG, Shuyuan MA, Xiaodong Lü, Chuang XIE

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 4,   Pages 423-431 doi: 10.1007/s11705-012-1211-7

Abstract: 5-(Difluoromethoxy)-2-mercapto-1 -benzimidazole (DMB) was precipitated by adding acetic acid to the DMBThe spherical agglomeration of DMB during the reactive crystallization in a batch crystallizer was monitoredBy using a simple model, the mean crystal agglomerate size of DMB thus predicted is generally in agreementIn addition, the crystallization process of DMB was optimized by a new control strategy of supersaturation

Keywords： 5-(difluoromethoxy)-2-mercapto-1H-benzimidazole (DMB)     reactive crystallization     agglomeration    

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Design, synthesis, and antiviral properties of 2-aryl-1H-benzimidazole-4-carboxamide derivatives

Xianjin LUO, Zhonglü ZHANG, Yutian YANG, Fei XUE, Naiyun XIU, Yuanbin SHE

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 3,   Pages 305-309 doi: 10.1007/s11705-009-0021-z

Abstract: A series of new benzimidazole derivatives were designed and synthesized.Their chemical structures were testified by H NMR, infrared spectroscopy (IR), mass spectrography (MS

Keywords： benzimidazole     coxsackie virus B3     antiviral properties    

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Endemicity of H9N2 and H5N1 avian influenza viruses in poultry in China poses a serious threat to poultry

Jiao HU,Xiufan LIU

Frontiers of Agricultural Science and Engineering 2016, Volume 3, Issue 1,   Pages 11-24 doi: 10.15302/J-FASE-2016092

Abstract: The H9N2 and H5N1 avian influenza viruses (AIVs) have been circulating in poultry in China and becomeof influenza viruses, such as the well-known viruses of the highly pathogenic avian influenza (HPAI) H5N2and the 2013 novel H7N7, H7N9 and H10N8 subtypes, thereby threatening both the poultry industry and

Keywords： avian influenza virus     H9N2     H5N1     novel viruses     public health    

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Advances in Cadaverine Bacterial Production and Its Applications Review

Weichao Ma, Kequan Chen, Yan Li, Ning Hao, Xin Wang, Pingkai Ouyang

Engineering 2017, Volume 3, Issue 3,   Pages 308-317 doi: 10.1016/J.ENG.2017.03.012

Abstract: Cadaverine-based polyamide PA 5X has broad application prospects owing to its environmentally friendly

Keywords： Cadaverine     Metabolism     Bacterial production     Bio-polyamide     PA 5X    

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Improvement in the synthesis of 2-(5-amino-1,2,4-thiadiazol-3-yl)-2-(Z)-methoxyiminoacetic acid 2-benzothiazolyl

GAO Shihao, SUN Chenghui, ZHAO Xinqi, GAO Changquan

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 1,   Pages 80-84 doi: 10.1007/s11705-008-0017-0

Abstract: 2-(5-Amino-1,2,4-thiadiazol-3-yl)-2-(Z)-methoxyiminoacetic acid 2-benzothiazolyl thioester(III), an importantintermediate of the fourth generation cephalosporins, was efficiently synthesized by reacting 2-(5-amino-1,2,4-thiadiazol-3-yl)-2-(Z)-methoxyiminoacetic acid (I) with 2,2′-dibenzothiazole disulfide (II) inUsing 1,2-dichloroethane as solvent, triphenylphosphine as reducer, and triethylamine as catalyst, (I

Keywords： 5-Amino-1     2     4-thiadiazol-3-yl     1     2-dichloroethane     important intermediate     2-benzothiazolyl thioester     temperature    

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A novel grey wolf optimizer and its applications in 5G frequency selection surface design Research Article

Zhihao HE, Gang JIN, Yingjun WANG

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 9,   Pages 1338-1353 doi: 10.1631/FITEE.2100580

Abstract: In this paper, we propose a self-adaptive (SAGWO) combined with a novel optimization model of a 5GDue to its global searchability, SAGWO is suitable for solving the optimization problem of a 5G FSS that

Keywords： Grey wolf optimizer     Fifth-generation wireless communication system (5G)     Frequency selection surface    

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Responses of bacterial strains isolated from drinking water environments to N-acyl-L-homoserine lactones and their analogs during biofilm formation

Zhuoying WU, Qing WANG, Feng GUO, Shenghua ZHANG, Qipei JIANG, Xin YU

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 2,   Pages 205-214 doi: 10.1007/s11783-013-0492-5

Abstract: lactones (AHLs) production ability, and responses to AHLs and AHL analogs, 3-chloro-4-(dichloromethyl)-5-hydroxy-2(5H)-furanone (MX) and 2(5H)-furanone.As a result, the biofilm growth of more than 1/4 of the isolates, which included AHL producers and non-producers

Keywords： distribution systems (DWDS)     biofilm     quorum sensing (QS)     N-acyl-L-homoserine lactones (AHLs)     (dichloromethyl)-5-hydroxy-2(5H)-furanone (MX)     2(5H)-furanone    

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UI layers merger: merging UI layers via visual learning and boundary prior Research Article

Yunnong CHEN, Yankun ZHEN, Chuning SHI, Jiazhi LI, Liuqing CHEN, Zejian LI, Lingyun SUN, Tingting ZHOU, Yanfang CHANG

Frontiers of Information Technology & Electronic Engineering 2023, Volume 24, Issue 3,   Pages 373-387 doi: 10.1631/FITEE.2200099

Abstract: With the fast-growing graphical user interface (GUI) development workload in the Internet industry, some work attempted to generate maintainable front-end code from GUI screenshots. It can be more suitable for using user interface (UI) design drafts that contain UI metadata. However, fragmented layers inevitably appear in the UI design drafts, which greatly reduces the quality of the generated code. None of the existing automated GUI techniques detects and merges the fragmented layers to improve the accessibility of generated code. In this paper, we propose UI layers merger (UILM), a vision-based method that can automatically detect and merge fragmented layers into UI components. Our UILM contains the merging area detector (MAD) and a layer merging algorithm. The MAD incorporates the boundary prior knowledge to accurately detect the boundaries of UI components. Then, the layer merging algorithm can search for the associated layers within the components' boundaries and merge them into a whole. We present a dynamic data augmentation approach to boost the performance of MAD. We also construct a large-scale UI dataset for training the MAD and testing the performance of UILM. Experimental results show that the proposed method outperforms the best baseline regarding merging area detection and achieves decent layer merging accuracy. A user study on a real application also confirms the effectiveness of our UILM.

Keywords： User interface (UI) to code     UI design lint     UI layer merging     Object detection    

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Synaptic devices based on semiconductor nanocrystals Review

Mingxuan BU, Yue WANG, Lei YIN, Zhouyu TONG, Yiqiang ZHANG, Deren YANG, Xiaodong PI

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 11,   Pages 1579-1601 doi: 10.1631/FITEE.2100551

Abstract:

To meet a growing demand for information processing, brain-inspired neuromorphic devices have been intensively studied in recent years. As an important type of neuromorphic device, have attracted strong attention. Among all the kinds of materials explored for the fabrication of , s (NCs) have become one of the preferred choices due to their excellent electronic and optical properties. In this review, we first introduce the research background of based on semiconductor NCs and briefly present the basic properties of semiconductor NCs. Recent developments in the field of based on semiconductor NCs are then discussed according to the materials employed in the active layers of the devices. Finally, we discuss existing problems and challenges of based on semiconductor NCs.

Keywords： Semiconductor nanocrystal     Synaptic devices     Neuromorphic computing    

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Mutation analysis of KCNQ1, KCNH2, SCN5A, KCNE1 and KCNE2 genes in Chinese patients with long QT syndrome

DU Rong, TIAN Li, YUAN Guohui, LI Jin, REN Faxin, GUI Le, LI Wei, ZHANG Shouyan, KANG Cailian, YANG Junguo

Frontiers of Medicine 2007, Volume 1, Issue 3,   Pages 312-315 doi: 10.1007/s11684-007-0060-0

Abstract: In this JLNS family, another heterozygous novel mutation in exon 2a was found in of the patients.

Keywords： recessive Jervell     LQTS-causing     population     autosomal dominant     syndrome    

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Histone variants: critical determinants in tumour heterogeneity

Tao Wang, Florent Chuffart, Ekaterina Bourova-Flin, Jin Wang, Jianqing Mi, Sophie Rousseaux, Saadi Khochbin

Frontiers of Medicine 2019, Volume 13, Issue 3,   Pages 289-297 doi: 10.1007/s11684-018-0667-3

Abstract: Malignant cell transformation could be considered as a series of cell reprogramming events driven by oncogenic transcription factors and upstream signalling pathways. Chromatin plasticity and dynamics are critical determinants in the control of cell reprograming. An increase in chromatin dynamics could therefore constitute an essential step in driving oncogenesis and in generating tumour cell heterogeneity, which is indispensable for the selection of aggressive properties, including the ability of cells to disseminate and acquire resistance to treatments. Histone supply and dosage, as well as histone variants, are the best-known regulators of chromatin dynamics. By facilitating cell reprogramming, histone under-dosage and histone variants should also be crucial in cell transformation and tumour metastasis. Here we summarize and discuss our knowledge of the role of histone supply and histone variants in chromatin dynamics and their ability to enhance oncogenic cell reprogramming and tumour heterogeneity.

Keywords： cancer-testis     TH2B     TH2A     H1T     H1.0     H1F0     linker histones    

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The effect of doping and steam treatment on the catalytic activities of nano-scale H-ZSM-5 in the methanol

Baodong Song, Yongqiang Li, Gang Cao, Zhenhai Sun, Xu Han

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 4,   Pages 564-574 doi: 10.1007/s11705-017-1654-y

Abstract: The catalytic activities of steam-treated and non-steam-treated nano-scale H-ZSM-5 (NHZ5) catalysts impregnatedThe NH -TPD results showed that after impregnation, the Ag/NHZ5, Zn/NHZ5 and P/NHZ5 catalysts containedAfter 6 h of MTG reaction, the selectivity to gasoline for the steam-treated catalysts, , and were

Keywords： MTG     nano-scale H-ZSM-5     steam treatment     gasoline     selectivity to gasoline    

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A compact ultra-wideband crossed-dipole antenna for 2G/3G/4G/IMT/5G customer premise equipment applications Correspondences

Jingli GUO, Lun CUI, Ying LIU, Baohua SUN, Xiaofeng LI,guojl@xidian.edu.cn,ID_CLXX@163.com

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 2,   Pages 339-345 doi: 10.1631/FITEE.2000456

Abstract: A compact ultra-wideband crossed-dipole antenna is proposed for 2G/3G/4G/IMT/5G customer premise equipmentFurthermore, a slotted rectangular parasitic patch is added beneath the crossed dipoles to further support a 5G

Keywords： 5G；交叉振子；双极化天线；终端天线；超宽带    

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Texture branch network for chronic kidney disease screening based on ultrasound images Research Articles

Peng-yi Hao, Zhen-yu Xu, Shu-yuan Tian, Fu-li Wu, Wei Chen, Jian Wu, Xiao-nan Luo,fuliwu@zjut.edu.cn

Frontiers of Information Technology & Electronic Engineering 2020, Volume 21, Issue 8,   Pages 1119-1266 doi: 10.1631/FITEE.1900210

Abstract: (CKD) is a widespread renal disease throughout the world. Once it develops to the advanced stage, serious complications and high risk of death will follow. Hence, early screening is crucial for the treatment of CKD. Since ultrasonography has no side effects and enables radiologists to dynamically observe the morphology and pathological features of the kidney, it is commonly used for kidney examination. In this study, we propose a novel convolutional neural network (CNN) framework named the to screen CKD based on images. This introduces a texture branch into a typical CNN to extract and optimize texture features. The model can automatically generate texture features and deep features from input images, and use the fused information as the basis of classification. Furthermore, we train the base part of the network by means of , and conduct experiments on a dataset with 226 images. Experimental results demonstrate the effectiveness of the proposed approach, achieving an accuracy of 96.01% and a sensitivity of 99.44%.

Keywords： 慢性肾脏病；超声；纹理分支网络；迁移学习    

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A high-isolation coupled-fed building block for metal-rimmed 5G smartphones Correspondence

Aidi REN, Chengwei YU, Lixia YANG, Wei CUI, Zhixiang HUANG, Ying LIU

Frontiers of Information Technology & Electronic Engineering 2023, Volume 24, Issue 11,   Pages 1657-1664 doi: 10.1631/FITEE.2300203

Abstract: A dual-antenna building block with high isolation is presented for metal-rimmed fifth-generation (5G)
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Title Author Date Type Operation

Control of the agglomeration of crystals in the reactive crystallization of 5-(difluoromethoxy)-2-mercaptoof the agglomeration of crystals in the reactive crystallization of 5-(difluoromethoxy)-2-mercapto-1

Yongli WANG, Shuyuan MA, Xiaodong Lü, Chuang XIE

Journal Article

Design, synthesis, and antiviral properties of 2-aryl-1H-benzimidazole-4-carboxamide derivatives

Xianjin LUO, Zhonglü ZHANG, Yutian YANG, Fei XUE, Naiyun XIU, Yuanbin SHE

Journal Article

Endemicity of H9N2 and H5N1 avian influenza viruses in poultry in China poses a serious threat to poultry

Jiao HU,Xiufan LIU

Journal Article

Advances in Cadaverine Bacterial Production and Its Applications

Weichao Ma, Kequan Chen, Yan Li, Ning Hao, Xin Wang, Pingkai Ouyang

Journal Article

Improvement in the synthesis of 2-(5-amino-1,2,4-thiadiazol-3-yl)-2-(Z)-methoxyiminoacetic acid 2-benzothiazolyl

GAO Shihao, SUN Chenghui, ZHAO Xinqi, GAO Changquan

Journal Article

A novel grey wolf optimizer and its applications in 5G frequency selection surface design

Zhihao HE, Gang JIN, Yingjun WANG

Journal Article

Responses of bacterial strains isolated from drinking water environments to N-acyl-L-homoserine lactones and their analogs during biofilm formation

Zhuoying WU, Qing WANG, Feng GUO, Shenghua ZHANG, Qipei JIANG, Xin YU

Journal Article

UI layers merger: merging UI layers via visual learning and boundary prior

Yunnong CHEN, Yankun ZHEN, Chuning SHI, Jiazhi LI, Liuqing CHEN, Zejian LI, Lingyun SUN, Tingting ZHOU, Yanfang CHANG

Journal Article

Synaptic devices based on semiconductor nanocrystals

Mingxuan BU, Yue WANG, Lei YIN, Zhouyu TONG, Yiqiang ZHANG, Deren YANG, Xiaodong PI

Journal Article

Mutation analysis of KCNQ1, KCNH2, SCN5A, KCNE1 and KCNE2 genes in Chinese patients with long QT syndrome

DU Rong, TIAN Li, YUAN Guohui, LI Jin, REN Faxin, GUI Le, LI Wei, ZHANG Shouyan, KANG Cailian, YANG Junguo

Journal Article

Histone variants: critical determinants in tumour heterogeneity

Tao Wang, Florent Chuffart, Ekaterina Bourova-Flin, Jin Wang, Jianqing Mi, Sophie Rousseaux, Saadi Khochbin

Journal Article

The effect of doping and steam treatment on the catalytic activities of nano-scale H-ZSM-5 in the methanol

Baodong Song, Yongqiang Li, Gang Cao, Zhenhai Sun, Xu Han

Journal Article

A compact ultra-wideband crossed-dipole antenna for 2G/3G/4G/IMT/5G customer premise equipment applications

Jingli GUO, Lun CUI, Ying LIU, Baohua SUN, Xiaofeng LI,guojl@xidian.edu.cn,ID_CLXX@163.com

Journal Article

Texture branch network for chronic kidney disease screening based on ultrasound images

Peng-yi Hao, Zhen-yu Xu, Shu-yuan Tian, Fu-li Wu, Wei Chen, Jian Wu, Xiao-nan Luo,fuliwu@zjut.edu.cn

Journal Article

A high-isolation coupled-fed building block for metal-rimmed 5G smartphones

Aidi REN, Chengwei YU, Lixia YANG, Wei CUI, Zhixiang HUANG, Ying LIU

Journal Article