Results 21 to 30 of about 12,054,912 (243)

A KNN Dynamic Extended Query Strategy Based on GPU [PDF]

Jisuanji gongcheng, 2018
Traditional Graphics Processing Unit(GPU) executing PGrid index K-Nearest Neighbor(KNN) query method has problems such as large query granularity,redundant calculation,and unstable performance.Therefore,facing spatial KNN relation queries,a KNN query ...
TANG Jia,GONG Yili,LI Wenhai
doaj   +1 more source

Measurement of thermal expansions of closed-cell polyurethane rigid foams at cryogenic temperatures with an extensometer technique

AIP Advances, 2021
The database of thermal expansion behavior of closed-cell polyurethane rigid foam at very low temperatures is required for designing and manufacturing thermal insulation components of various cryogenic systems.
Hongyu Dong, Hengcheng Zhang, Rongjin Huang, Zhixiong Wu, Chuanjun Huang, Laifeng Li   +5 more
doaj   +1 more source

Temperature Dependent Crystal Structure of Nd₂CuTiO₆: An In Situ Low Temperature Powder Neutron Diffraction Study

Crystals, 2023
Herein we reported the crystal structure and crystal chemistry of orthorhombic perovskite type Nd2CuTiO6 in between 2 K and 290 K as observed from the in situ temperature-dependent powder neutron diffraction (PND) studies. It is observed that the cations
N. Kumar, S. D. Kaushik, K. Sandeep Rao, P. D. Babu, S. K. Deshpande, S. N. Achary, Daniel Errandonea   +6 more
doaj   +1 more source

Modeling of ultra-dense heterogeneous network and time-domain interference coordination analysis

上海师范大学学报. 自然科学版, 2017
A system analysis model for ultra-dense heterogeneous network is established using the space Poisson point process based on stochastic theory.In this model,by analyzing the interference types of the extended and non-expanded areas of the cell caused by ...
Ye Peng, Li Li, Li Haiping, Wang Bin
doaj   +1 more source

TGFβ Pathway Inhibition Redifferentiates Human Pancreatic Islet β Cells Expanded In Vitro. [PDF]

PLoS ONE, 2015
In-vitro expansion of insulin-producing cells from adult human pancreatic islets could provide an abundant cell source for diabetes therapy. However, proliferation of β-cell-derived (BCD) cells is associated with loss of phenotype and epithelial ...
Ginat Toren-Haritan, Shimon Efrat
doaj   +1 more source

Energy Efficiency Analysis of Heterogeneous Cellular Networks With Extra Cell Range Expansion

IEEE Access, 2017
The split control and user plane is key to the future heterogeneous cellular network (HCN), where the small cells are dedicated for the most data transmission while the macrocells are mainly responsible for the control signaling.
Yuhao Zhang, Zhiyan Cui, Qimei Cui, Xinlei Yu, Yinjun Liu, Weiliang Xie, Yong Zhao   +6 more
doaj   +1 more source

Multichannel analysis of soft frequency reuse and user association in two-tier heterogeneous cellular networks

EURASIP Journal on Wireless Communications and Networking, 2017
The cell range expansion (CRE) is encouraged to be applied in the heterogeneous cellular networks (HCNs), to enhance the capacity by offloading macro users to small cells.
Lili Guo, Shanya Cong, Zhiguo Sun
doaj   +1 more source

Exploiting LTE-Advanced HetNets and FeICIC for UAV-Assisted Public Safety Communications

IEEE Access, 2018
Ensuring ubiquitous mission-critical public safety communications (PSC) to all the first responders in the public safety network is crucial at an emergency site. Recently, the use of unmanned aerial vehicles (UAVs) has received extensive interest for PSC
Abhaykumar Kumbhar, Ismail Guvenc, Simran Singh, Adem Tuncer   +3 more
doaj   +1 more source

ICOS controls Foxp3+ regulatory T-cell expansion, maintenance, and IL-10 production during helminth infection [PDF]

, 2012
Foxp3+ regulatory T (Treg) cells are key immune regulators during helminth infections, and identifying the mechanisms governing their induction is of principal importance for the design of treatments for helminth infections, allergies and autoimmunity ...
van der Werf, Nienke, MacDonald, Andrew, Redpath, Stephen A, Taylor, Matthew, Cervera, Ana M, Macdonald, Andrew S; id_orcid, Cervera, Ana, Taylor, Matthew D., Maizels, Rick M, Andrew S. MacDonald, Cervera, Ana M., Gray, David, Maizels, Rick, Stephen A. Redpath, Maizels, Rick M., Taylor, Matthew D, Macdonald, Andrew S.; id_orcid, Redpath, Stephen A., Matthew D. Taylor, Rick M. Maizels, David Gray, Nienke van der Werf, Ana M. Cervera   +22 more
core   +1 more source

Dichotomous and stable gamma delta T-cell number and function in healthy individuals

Journal for ImmunoTherapy of Cancer, 2021
Background Gamma-delta (γδ) T lymphocytes are primed to potently respond to pathogens and transformed cells by recognizing a broad range of antigens. However, adoptive immunotherapy with γδT cells has exhibited mixed treatment responses.
Jie Zhang, Xiaowei Xu, Yi Fan, Lingling Ou, Huaishan Wang, Hezhe Lu, Liangping Luo, Changzheng Shi, Shaoqiang Lin, Liyun Dong, Yeye Guo, Lili Huang, Jinjin Zhu, Xiangfan Yin, Alexander C Huang, Giorgos Karakousis, Lynn Schuchter, Ravi Amaravadi, Cathy Zheng   +18 more
doaj   +1 more source