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247 papers found.
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Sparse representation-based DOA estimation of coherent wideband LFM signals in FRFT domain

In this paper, the method of direction-of-arrival (DOA) estimation for wideband signals based on sparse representation of FRFT domain is proposed by using the excellent convergence of FRFT to LFM signals. This method focuses the wideband signal to the reference frequency using FRFT, establishes the DOA estimation model and the array manifold matrix in the FRFT domain, and...

Premna vietnamensis (Lamiaceae, Premnoideae), a distinct new species from the Central Highlands of Vietnam

Viticoideae Briq. of Verbenaceae [ 1,2 ], but is now transferred to the subfamily Premnoideae Bo Li, R.G. Olmstead & P.D. Cantino in Lamiaceae [3]. With more than 100 species recognized (WCSP, http://wcsp ... , Dr. Bo Li examined Premna specimens deposited in the herbarium of the Institute of Ecology and Biological Resources of the Vietnam Academy of Science and Technology (HN) in Hanoi and sorted out several

Screening potential reference genes for quantitative real-time PCR analysis in the oriental armyworm, Mythimna separata

-Rong Zhang. Supervision: Yong-Fu He. Writing ± original draft: Hong-Bo Li. 13 / 16 14 / 16 15 / 16 1. Ling D , Salvaterra PM . Robust RT-qPCR data normalization: Validation and selection of internal

MADM-based smart parking guidance algorithm

) Conceptualization: Bo Li, Yijian Pei, Hao Wu, Dijiang Huang. Data curation: Bo Li. Formal analysis: Bo Li. Funding acquisition: Bo Li, Hao Wu. Investigation: Bo Li, Dijiang Huang. Methodology: Bo Li, Hao Wu ... , Dijiang Huang. Project administration: Bo Li. Resources: Bo Li, Yijian Pei, Hao Wu, Dijiang Huang. Software: Bo Li. Supervision: Bo Li. Validation: Bo Li, Hao Wu. Visualization: Bo Li. Writing

Upconversion 32Nb2O5–10La2O3–16ZrO2 glass activated with Er3+/Yb3+ and dye sensitized solar cell application

LIN Bo LI 1 0 State Key Laboratory of New Ceramics and Fine Processing, Department of Materials Science and Engineering, Tsinghua University , Beijing 100084 , China 1 Advanced Materials Institute

Prospects for rare and forbidden hyperon decays at BESIII

The study of hyperon decays at the Beijing Electron Spectrometer III (BESIII) is proposed to investigate the events of J/ψ decay into hyperon pairs, which provide a pristine experimental environment at the Beijing Electron–Positron Collider II. About 106–108 hyperons, i.e., Λ, Σ, Ξ, and Ω, will be produced in the J/ψ and ψ(2S) decays with the proposed data samples at BESIII...

Video laryngoscopy does not improve the intubation outcomes in emergency and critical patients – a systematic review and meta-analysis of randomized controlled trials

There is significant controversy regarding the influence of video laryngoscopy on the intubation outcomes in emergency and critical patients. This systematic review and meta-analysis was designed to determine whether video laryngoscopy could improve the intubation outcomes in emergency and critical patients. We searched the Cochrane Central Register of Controlled Trials, PubMed...

Bioprinting of skin constructs for wound healing

Extensive burns and full-thickness skin wounds are difficult to repair. Autologous split-thickness skin graft (ASSG) is still used as the gold standard in the clinic. However, the shortage of donor skin tissues is a serious problem. A potential solution to this problem is to fabricate skin constructs using biomaterial scaffolds with or without cells. Bioprinting is being applied...

Repair of articular cartilage and subchondral defects in rabbit knee joints with a polyvinyl alcohol/nano-hydroxyapatite/polyamide 66 biological composite material

This study sought to prepare a new PVA/n-HA/PA66 composite to investigate the repair of articular cartilage and subchondral defects in rabbit knee joints. A 5 × 5 × 5 mm-sized defect was created in the patellofemoral joints of 72 healthy adult New Zealand rabbits. The rabbits were then randomly divided into three groups (n = 24): PVA/n-HA+PA66 group, polyvinyl alcohol (PVA) group...

Shangri-la: From Utopia to Wasteland?

The rapid urbanization movement in China’s uplands and up-streams, home to ethnic groups, are problematic for ecological and cultural reasons. Shangri-La County in southwest China is one such destination that has experienced such environmental and sociocultural challenges. The scale and speed of urbanization that has occurred in Shangri-La has outpaced what local communities can...

Comparative genomics of chemosensory protein genes (CSPs) in twenty-two mosquito species (Diptera: Culicidae): Identification, characterization, and evolution

Chen. Investigation: Ting Mei, Wen-Bo Fu, Bo Li, Zheng-Bo He, Bin Chen. Methodology: Wen-Bo Fu, Zheng-Bo He, Bin Chen. Supervision: Bin Chen. Writing ± original draft: Ting Mei, Bin Chen. Writing

A new joint channel equalization and estimation algorithm for underwater acoustic channels

Underwater acoustic channel (UAC) is one of the most challenging communication channels in the world, owing to its complex multi-path and absorption as well as variable ambient noise. Although adaptive equalization could effectively eliminate the inter-symbol interference (ISI) with the help of training sequences, the convergence rate of equalization in sparse UAC decreased...

Process service quality evaluation based on Dempster-Shafer theory and support vector machine

acknowledged. Author Contributions Data curation: Dong-Bo Li. Formal analysis: Fei He. Methodology: Yi-Fei Tong. Writing ± original draft: Feng-Que Pei. 15 / 16 1. KaÂdaÂr B , Monostori L , CsaÂji BC

Reversible Electrochemical Control over Photoexcited Luminescence of Core/Shell CdSe/ZnS Quantum Dot Film

Semiconductor quantum dots (QDs) are widely used in light-emitting diodes and solar cells. Electrochemical modulation is a good way to understand the electrical and optical properties of QDs. In this work, the effects of electrochemical control on photoluminescence (PL) spectra in core/shell CdSe/ZnS QD films are studied. The results show different spectral responses for surface...

Evaluation of 22G fine-needle aspiration (FNA) versus fine-needle biopsy (FNB) for endoscopic ultrasound-guided sampling of pancreatic lesions: a prospective comparison study

Dr. Li Tian, Dr. An-liu Tang, Dr. Lei Zhang, Dr. Xiao-wen Liu, Dr. Jing-bo Li, Prof. Fen Wang, Prof. Shou-rong Shen, and Prof. Xiao-yan Wang have no conflicts of interest or financial ties to disclose

Structured fragment-based object tracking using discrimination, uniqueness, and validity selection

Local features have widely been used in visual tracking to improve robustness in the presence of partial occlusion, deformation, and rotation. In this paper, a local fragment-based object tracking algorithm is proposed. Unlike many existing fragment-based algorithms using all the fragments and allocating the weight to each fragment according to similarity, the proposed algorithm...

Emodin reverses leukemia multidrug resistance by competitive inhibition and downregulation of P-glycoprotein

. Visualization: Hongping Min. 15 / 18 Writing ± original draft: Hongping Min, Jia Yan. Writing ± review & editing: Hongping Min, Miaomiao Niu, Bo Li, Mengxiang Su, Fang Yan. 16 / 18 17 / 18 1. Takahashi Naoto M

A reassessment of the early archaeological record at Leang Burung 2, a Late Pleistocene rock-shelter site on the Indonesian island of Sulawesi

This paper presents a reassessment of the archaeological record at Leang Burung 2, a key early human occupation site in the Late Pleistocene of Southeast Asia. Excavated originally by Ian Glover in 1975, this limestone rock-shelter in the Maros karsts of Sulawesi, Indonesia, has long held significance in our understanding of early human dispersals into ‘Wallacea’, the vast zone...