Search Results - "Cheng, Yongjie"

Ultrasonic surface rolling strengthening and its parameter optimization on bearing raceway by Cheng, Yongjie, Wang, Yanshuang, Wang, Zijun, Huang, Pengcheng, Zhang, Pu, Guo, Qixian

“…[Display omitted] •Ultrasonic rolling and its finite element simulation on a bearing raceway was conducted.•Multi-objective process optimization for ultrasonic…”
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The mediating role of ego depletion in the relationship between state anxiety and academic procrastination among University students by Fan, Junqiang, Cheng, Yongjie, Tang, Ming, Huang, Yuxin, Yu, Jingjing

“…The issue of academic procrastination is highly prevalent among university students. It not only has a deterimental effect on students' academic performance…”
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Efficient and Compact Diode-Pumped Nd:YAG Lasers at 1073 and 1078 nm by Lin, Zhi, Huang, Xiaoxu, Lan, Jinglong, Cheng, Yongjie, Wang, Yi, Xu, Bin, Xu, Huiying, Cai, Zhiping

“…We report on the efficient diode-pumped continuous-wave laser operation of a Nd:YAG crystal at several wavelengths by using a simple and compact two-mirror…”
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Compact Passive Q-Switching Pr3+-Doped ZBLAN Fiber Laser With Black Phosphorus-Based Saturable Absorber by Wu, Duanduan, Cai, Zhiping, Zhong, Yile, Peng, Jian, Cheng, Yongjie, Weng, Jian, Luo, Zhengqian, Xu, Huiying

“…In this paper, a compact passively Q-switched praseodymium (Pr 3+ )-doped fiber laser at the wavelength of 635 nm with black phosphorus (BP) saturable absorber…”
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Psychological health status of Chinese university students: based on Psychological Resilience Dynamic System Model by Fan, Junqiang, Huang, Yuxin, Yang, Fei, Cheng, Yongjie, Yu, Jingjing

“…The mental health of unverisity students is influenced by diverse factorsis multifaceted, requiring further investigation to evaluate its current status and…”
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Passive Q-Switching of a Diode-Pumped Pr:LiYF4 Visible Laser Using WS2 as Saturable Absorber by Cheng, Yongjie, Peng, Jian, Xu, Bin, Yang, Han, Luo, Zhengqian, Xu, Huiying, Cai, Zhiping, Weng, Jian

“…Q-switched laser operation of a blue-diode-pumped Pr:LiYF 4 laser is demonstrated at 640 nm for the first time by using a tungsten disulfide (WS 2 ) nanosheet…”
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Long-range hydrodynamic communication among synthetic self-propelled micromotors by Cheng, Yongjie, Mou, Fangzhi, Yang, Manyi, Liu, Shuyi, Xu, Leilei, Luo, Ming, Guan, Jianguo

“…Long-range communication is ubiquitous among living organisms, but it remains undiscovered among synthetic micro/nanomotors. Here, we report the long-range…”
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Passively Q -Switched Red Pr3+-Doped Fiber Laser With Graphene-Oxide Saturable Absorber by Yile Zhong, Zhiping Cai, Duanduan Wu, Yongjie Cheng, Jian Peng, Jian Weng, Zhengqian Luo, Bin Xu, Huiying Xu

“…In this letter, a compact Q-switched red (635.7 nm) praseodymium (Pr 3+ )-doped fluorozirconate fiber laser using graphene-oxide (GO) as a saturable absorber…”
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Saturable Absorption of Copper Nanowires in Visible Regions for Short-Pulse Generation by Wu, Duanduan, Lin, Huiyu, Cai, Zhiping, Peng, Jian, Cheng, Yongjie, Weng, Jian, Xu, Huiying

“…A copper-nanowire (CuNWs)-based saturable absorber (SA) is utilized as a new Q-switcher for pulsed operations in visible regions. The plasmon resonance effect…”
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InGaN-LD-Pumped Continuous-Wave Deep Red Laser at 670 nm in Pr3+:LiYF4 Crystal by Biao Qu, Bin Xu, Saiyu Luo, Yongjie Cheng, Huiying Xu, Zhiping Cai, Camy, Patrice, Doualan, Jean-Louis, Moncorge, Richard

“…We report the first laser operation at π-polarized 670.34-nm deep red laser in a 2-W InGaN-LD-pumped Pr 3+ :LiYF 4 (Pr:YLF) crystal with the aid of a 0.1-mm…”
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Diode-Pumped CW Laser Operation of a c-cut Nd:YAlO 3 Crystal on Low-Gain Emission Lines Around 1.1 \mu\textrm by Bin Xu, Yi Wang, Yongjie Cheng, Zhi Lin, Huiying Xu, Zhiping Cai, Moncorge, Richard

“…We report on the diode-pumped continuous-wave laser operation of a c-cut Nd:YAlO 3 (YAP) laser crystal at various low gain emission wavelengths around 1.1 μm…”
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InGaN-LD-Pumped ^: Continuous-Wave Laser at 915 nm by Biao Qu, Bin Xu, Yongjie Cheng, Saiyu Luo, Huiying Xu, Yikun Bu, Camy, Patrice, Doualan, Jean-Louis, Moncorge, Richard, Zhiping Cai

“…We demonstrate the first InGaN-LD-pumped room temperature and continuous-wave laser operation of a Pr 3+ : LiYF 4 crystal at 915 nm. A maximum output power up…”
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Multibit Delta-Sigma Modulator With Two-Step Quantization and Segmented DAC by Yongjie Cheng, Petrie, C., Nordick, B., Comer, D.

“…An architecture for a multibit single-stage delta-sigma analog-to-digital converter (ADC) with two-step quantization is presented. Both the most significant…”
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Research status of the influence of machining processes and surface modification technology on the surface integrity of bearing steel materials by Cheng, Yongjie, Wang, Yanshuang, Lin, Jianghai, Xu, Shuhui, Zhang, Pu

“…The surface integrity of bearing steel materials largely determines the life of mechanical parts like bearings and gears. Optimizing the process parameters or…”
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Experimental analysis of mechanical properties of dredged sludge solidified by carbonized under the synergistic action of magnesium oxychloride cement and lime by Wang, Qiang, Cheng, Yongjie, Cai, Guojun, Guo, Jiawei, Li, Yafeng

“…The environmentally friendly magnesium oxychloride cement (denoted as MOC thereinafter) shows promising application prospects. Meanwhile, more emphasis is…”
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Rheological and tribological properties of polyurea greases containing additives of MoDDP and PB by Wang, Yanshuang, Zhang, Pu, Gao, Xudong, Cheng, Yongjie

“…Molybdenum dialkyl dithiophosphate (MoDDP) and potassium borate (PB) were selected as additives for the greases. Results show that the polar MoDDP additive…”
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Metal particles supported on SiO2-OH nanosphere: New insight into interactions with metals for cellulose conversion to ethylene glycol by Xiao, Zhuqian, Fan, Yu, Cheng, Yongjie, Zhang, Qiang, Ge, Qing, Sha, Ruyi, Ji, Jianbing, Mao, Jianwei

“…The catalytic transformation of cellulose to polyols is one of the significant strategies to overcome the shortage of fossil fuels. Here we report a simple but…”
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Effect of ultrasonic rolling on surface integrity, machining accuracy, and tribological performance of bearing steels under different process schemes by Huang, Pengcheng, Wang, Yanshuang, Lin, Jianghai, Cheng, Yongjie, Liu, Fangzheng, Qiu, Qingguo

“…In this study, Ultrasonic Surface Rolling Technology is applied to the grinding process of bearing steel. By comparing the effects of four different process…”
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FAT10 stimulates the development of osteosarcoma by regulating the JAK/STAT signaling pathway by Shi, Faliang, Li, Longyun, Cheng, Yongjie

“…To investigate the potential function of FAT10 in the development of osteosarcoma (OS) and its mechanism. Relative level of FAT10 in OS specimens and cell…”
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Passive Q-switching of Pr:LiYF4 orange laser at 604 nm using topological insulators Bi2Se3 as saturable absorber by Cheng, Yongjie, Peng, Jian, Xu, Bin, Xu, Huiying, Cai, Zhiping, Weng, Jian

“…Q-switched laser operation of a laser diode pumped Pr:LiYF4 laser is reported at 604 nm using a topological insulator (TI) Bi2Se3 nanosheet material as…”
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