Results 151 to 160 of about 1,274,438 (219)

Comparative Investigation on the Impact Abrasive Wear Behavior of PTAW NiBSi Coatings Reinforced With Different Types of Tungsten Carbide

Rare Metals, Volume 45, Issue 10, October 2026.
ABSTRACT NiBSi‐based coatings reinforced with spherical cast tungsten carbide (NSC coating), irregular cast tungsten carbide (NC coating), and macrocrystalline tungsten carbide (NMC coating) are investigated to elucidate the impact of abrasive wear behavior.
Chong Chen, Jianqing Sun, Yadi Zhang, Youkuo Wang, Guofeng Zhang, Feng Mao, Liming Fu, Liujie Xu, Yue Yang, Shizhong Wei   +9 more
wiley   +1 more source

[Clinical characteristics and gender differences in Wagner grade 4-5 diabetic foot patients with variable severity of lower extremity atherosclerotic occlusive disease]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Gong X, Yuan T, Chen Z, Peng Y, Huang Y.
europepmc   +1 more source

基于模糊集理论的二维线性鉴别分析新方法

, 2007
二维线性鉴别分析（2DLDA）是一种直接基于矩阵的特征提取方法，跳过传统的基于Fisher鉴别准则的线性鉴别分析方法中必须先将二维矩阵转化成一维矢量的过程，有效地提高了特征提取速度且避免了小样本问题，其识别率优于传统的Fisherface方法。结合模糊集理论，提出了一种新的2DLDA算法——模糊2DLDA（FIDLDA）算法。首先采用FKNN算法得到相应的样本分布信息，并按其对最后得到的特征向量所作的贡献融入到特征抽取过程中，得到有效的样本特征向量集。实验表明 ...
杨静宇, 郑宇杰, 吴小俊, 李勇智   +3 more
core  

Lanthanide Nanoparticles With Dual Enzyme Mimetic Activities for Targeted Treatment of Gram‐Negative Bacterial Infections

Rare Metals, Volume 45, Issue 10, October 2026.
ABSTRACT Gram‐negative (G−) bacterial infections, fueled by intrinsic antibiotic resistance stemming from their unique outer membrane architecture, pose a critical global clinical challenge. This study introduces a pioneering dual‐enzyme‐mimetic nanotherapy based on NaYbF4 nanoparticles (NaYbF4 NPs) that achieves synergistic antibacterial and anti ...
Yuxiang Zhang, Wenzhen Liu, Jin Xu, Tao Dai, Yunmei Huang, Xueyuan Chen, Zhuo Chen   +6 more
wiley   +1 more source

[Sex-specific hemoglobin thresholds for oxygen saturation: A non-linear regression analysis based on Tibetan inpatients]. [PDF]

Beijing Da Xue Xue Bao Yi Xue Ban
Gongjue Z, Mao Y, Dawa P, Laba C, Yan Q.
europepmc   +1 more source

Superstrong and Tough Biomimetic Lignin‐Based Hydrogel Enabled by Self‐Diffusion Driven Strategy for Self‐Powered Human Dynamic Healthcare Monitoring

Rare Metals, Volume 45, Issue 10, October 2026.
ABSTRACT Biomass‐based hydrogels are widely regarded as ideal substrates for self‐powered wearable sensors. However, the practical applications of hydrogels are commonly limited by their inherent low strength and toughness, which restrict their capacity to withstand repeated stretching, bending and other mechanical loads arising from human motion in ...
Boyu Du, Tian Tang, Yuwen Wang, Jiajun Zhang, Yuxin Yang, Shaochao Sun, Hanmin Wang, Yuebin Xi, Tairan Pang, Chuanling Si   +9 more
wiley   +1 more source

Sex differences in the global burden of autism spectrum disorders: An analysis based on GBD 2021 data. [PDF]

Zhong Nan Da Xue Xue Bao Yi Xue Ban
Liu H, Ding J, Xu D, Yuan J, Ni Z, Liu B, Chang C, Lin J, Ji B, Qin X.   +9 more
europepmc   +1 more source

Superior Irradiation Resistance of an AlN/Al Nanocomposite: Combined Ion Irradiation and In Situ Electron Irradiation Studies

Rare Metals, Volume 45, Issue 10, October 2026.
ABSTRACT Lightweight metallic materials with high irradiation tolerance are essential for aerospace systems operating in extreme irradiation environments. However, the irradiation behavior of particle‐reinforced aluminum matrix composites and underlying irradiation damage mechanisms remain insufficiently understood.
Yuyao Chen, Luling Wang, Lei Song, Hao Zhou, Yonghao Zhao, Chong Li, Xiangfa Liu, Jinfeng Nie   +7 more
wiley   +1 more source

[Sex and age distribution of global disease burden of calcific aortic valve disease]. [PDF]

Zhejiang Da Xue Xue Bao Yi Xue Ban
Deng X, Sui X, Li N, Feng J, Chen S, Xu X, Tang Y, Wang Y.   +7 more
europepmc   +1 more source

Removal Thickness Prediction and Process‐Window Identification in Laser Cleaning of Multilayer Aerospace Coatings

Rare Metals, Volume 45, Issue 10, October 2026.
ABSTRACT Precise control of removal thickness is critical for laser cleaning of multilayer aerospace coatings particularly for selective removal without substrate exposure. However, the process response becomes highly sensitive near coating interfaces, making reliable parameter selection difficult.
Fanzhou Zeng, Shuran Miao, Zheng Qu, Shukai Hu, Donghe Zhang, Bin Guo, Jie Xu   +6 more
wiley   +1 more source