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41 papers found.
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The transition region above sunspots

Over decades, sunspots and their fine structures have been studied in detail at the photospheric level with different ground-based telescopes, as the surface of the Sun primarily emits light in the visible wavelengths. For a very long period, the upper atmosphere above the sunspot regions, especially the transition region (TR) above sunspots where the plasma emits light in the...

Sequential Monte Carlo Method Toward Online RUL Assessment with Applications

remaining useful life assessment, precision engineering and sustainable engineering. HuiTian Lu is a professor at Department of Engineering Technology and Management, College of Engineering, South Dakota

Ellerman bombs observed with the new vacuum solar telescope and the atmospheric imaging assembly onboard the solar dynamics observatory

Ellerman bombs (EBs) are believed to be small-scale reconnection events occurring around the temperature minimum region in the solar atmosphere. They are often identified as significant enhancements in the extended Hα wings without obvious signatures in the Hα core. Here we explore the possibility of using the 1700 Å images taken by the Atmospheric Imaging Assembly (AIA) onboard...

Changes in soil microbial communities after 10 years of winter wheat cultivation versus fallow in an organic-poor soil in the Loess Plateau of China

, Xiaoli Hui. Methodology: Hui Tian. Project administration: Jinshan Liu. Resources: Zhaohui Wang. Software: Jinshan Liu. Writing ± original draft: Hui Tian, Jinshan Liu. Writing ± review & editing

Information filtering based on corrected redundancy-eliminating mass diffusion

Fundamental Research Funds for the Central Universities. Author Contributions Conceptualization: Xuzhen Zhu, Hui Tian, Shi-Min Cai. Data curation: Yujie Yang, Guilin Chen. Formal analysis: Xuzhen Zhu, Yujie ... Yang, Shi-Min Cai. Funding acquisition: Xuzhen Zhu, Hui Tian, Shi-Min Cai. Investigation: Xuzhen Zhu, Shi-Min Cai. Methodology: Xuzhen Zhu, Shi-Min Cai. Project administration: Xuzhen Zhu, Shi-Min Cai

Coexistence of an unstirred chemostat model with B-D functional response by fixed point index theory

This paper deals with an unstirred chemostat model with the Beddington-DeAngelis functional response. First, some prior estimates for positive solutions are proved by the maximum principle and the method of upper and lower solutions. Second, the calculation on the fixed point index of chemostat model is obtained by degree theory and the homotopy invariance theorem. Finally, some...

Resource allocation in a generalized LTE air interface virtualization framework exploiting user behavior

Wireless network virtualization (WNV) is a promising technique to solve the ossification of current networks. In this paper, a generalized Long Term Evolution (LTE) air interface virtualization framework is proposed where virtual operators (VOs) are enabled to share the physical resources owned by the infrastructure provider (InP). This user-centric feature provides VOs with the...

Teng-Long-Bu-Zhong-Tang induces p21-dependent cell senescence in colorectal carcinoma LS174T cells via histone acetylation

Teng-Long-Bu-Zhong-Tang induces p21-dependent cell senescence in colorectal carcinoma LS174T cells via histone acetylation Bing Hu,1,2 Hong-Mei An,3 Shuang-Shuang Wang,1,2 Jia-Lu Zheng,1,2 Xia Yan,1,2 Xiao-Wei Huang,1,2 Jian-Hui Tian1,2 1Department of Oncology, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, 2Institute of Traditional Chinese Medicine in...

Influence of nutrient signals and carbon allocation on the expression of phosphate and nitrogen transporter genes in winter wheat (Triticum aestivum L.) roots colonized by arbuscular mycorrhizal fungi

Arbuscular mycorrhizal (AM) colonization of plant roots causes the down-regulation of expression of phosphate (Pi) or nitrogen (N) transporter genes involved in direct nutrient uptake pathways. The mechanism of this effect remains unknown. In the present study, we sought to determine whether the expression of Pi or N transporter genes in roots of winter wheat colonized by AM...

The Mechanism of Proinflammatory HDL Generation in Sickle Cell Disease Is Linked to Cell-Free Hemoglobin via Haptoglobin

In sickle cell disease (SCD), the inflammatory properties of high-density lipoprotein (HDL) can be changed by cell-free hemoglobin (Hb), which is released into the blood during hemolysis. Hb in the plasma of SCD patients or mice can bind with HDL specifically inducing an inflammatory reaction. In our study, we found increased amounts of inflammatory factor proteins in the chronic...

Self-optimized heterogeneous networks for energy efficiency

Explosive increase in mobile data traffic driven by the demand for higher data rates and ever-increasing number of wireless users results in a significant increase in power consumption and operating cost of communication networks. Heterogeneous networks (HetNets) provide a variety of coverage and capacity options through the use of cells of different sizes. In these networks, an...

Self-optimization of coverage and capacity based on a fuzzy neural network with cooperative reinforcement learning

Self-organization is a key concept in long-term evolution (LTE) systems to reduce capital and operational expenditures (CAPEX and OPEX). Self-optimization of coverage and capacity, which allows the system to periodically and automatically adjust the key radio frequency (RF) parameters through intelligent algorithms, is one of the most important tasks in the context of self...

Network forensics and challenges for cybersecurity

Wojciech Mazurczyk 0 Krzysztof Szczypiorski 0 Hui Tian 0 0 H. Tian National Huaqiao University , Huaqiao, China - Societies in the contemporary world are becoming more and more dependent on open ... Deng, Hui Tian, and Qiongxing Dai contains an analysis of characteristics in intra-frame coding caused by modulating intra prediction modes for information hiding and the proposal of statistical models

The effect of a very brief smoking-reduction intervention in smokers who have no intention to quit: Study protocol for a randomized controlled trial

Bin Jiang Di Zhang 0 1 Hui Tian Fang Zuo Tai Hing Lam Yee Tak Derek Cheung 0 Beijing Key Laboratory of Aging and Geriatrics, Chinese PLA General Hospital , 28 Fuxing Road, Beijing 100853 , China 1

Main controlling factors and enrichment area evaluation of shale gas of the Lower Paleozoic marine strata in south China

The Lower Paleozoic shale in south China has a very high maturity and experienced strong tectonic deformation. This character is quite different from the North America shale and has inhibited the shale gas evaluation and exploration in this area. The present paper reports a comprehensive investigation of maturity, reservoir properties, fluid pressure, gas content, preservation...

Cooperative power control in OFDMA small cell networks

This paper aims at improving the system throughput of orthogonal frequency division multiple access small cell networks. Different with traditional schemes that neglect the cooperation among small cells, a scheme named as resource block exclusion-based power control (RBEBPC) is proposed by sharing the interference correlated information. RBEBPC consists of two steps that are...

Expression of THOP1 and Its Relationship to Prognosis in Non-Small Cell Lung Cancer

Background The study was designed to detect the expression level of thimet oligopeptidase (THOP1) protein in non-small cell lung cancer (NSCLC) and investigate its correlation with clinicopathologic features and prognosis. Methods Immunohistochemical staining was used to determine the expression of THOP1 protein in 120 NSCLC specimens and 53 distant normal lung tissues...

Retinoblastoma Binding Protein 2 (RBP2) Promotes HIF-1α–VEGF-Induced Angiogenesis of Non-Small Cell Lung Cancer via the Akt Pathway

Tian 0 Vladimir V. Kalinichenko, Cincinnati Children's Hospital Medical Center, United States of America 0 1 Department of Thoracic Surgery, Qi Lu Hospital, Shandong University , Jinan, Shandong