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Long Tieng

RLAF Long Tieng (also spelled Long Chieng, Long Cheng, or Long Chen) is a town in Longchaeng district, Xaisomboun Province. During the Laotian Civil War, it served as a military base for the Hmong Army, the airbase was operated by the Central Intelligence Agency of the United States. During this time, it was also referred to as ''Lima Site 98'' (LS 98) or ''Lima Site 20A'' (LS 20A).

At the height of its significance in the late 1960s, the "secret city" of Long Tieng maintained a population of 40,000 inhabitants, making it the second largest city in Laos at the time, although it never appeared on maps throughout this period. Provided by Wikipedia
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  1. 1
    Phase Factor Optimization for QPSK Signals Generated from MZM Based on Optical Carrier Suppression

    Phase Factor Optimization for QPSK Signals Generated from MZM Based on Optical Carrier Suppression by Jianjun Yu, Long Chen

    Published 2017-01-01
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  2. 2
    Application of Volterra Nonlinear Compensation in 75-GHz mm-Wave Fiber-Wireless System

    Application of Volterra Nonlinear Compensation in 75-GHz mm-Wave Fiber-Wireless System by Long Chen, Jiangnan Xiao, Jianjun Yu

    Published 2017-01-01
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  3. 3
    Effectiveness and Safety of Interventions for Treating Adults with Displaced Proximal Humeral Fracture: A Network Meta-Analysis and Systematic Review.

    Effectiveness and Safety of Interventions for Treating Adults with Displaced Proximal Humeral Fracture: A Network Meta-Analysis and Systematic Review. by Long Chen, Fei Xing, Zhou Xiang

    Published 2016-01-01
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  4. 4
    Numerical Simulation of Particle Erosion in Liquid-Solid Two-Phase Flow of Different T-Manifolds

    Numerical Simulation of Particle Erosion in Liquid-Solid Two-Phase Flow of Different T-Manifolds by JIN Long, CHEN Ji-ye, CHEN Liang

    Published 2021-01-01
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  5. 5
    Thermal gravimetric study of slag from coal slurry gasification and combustion experiment of rotary combustor

    Thermal gravimetric study of slag from coal slurry gasification and combustion experiment of rotary combustor by Long CHEN, Yuan ZHANG, Naiji WANG, Shi YANG

    Published 2025-06-01
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  6. 6
    Exploring the Spatio-Temporal Dynamics and Factors Influencing PM<sub>2.5</sub> in China’s Prefecture-Level and Above Cities

    Exploring the Spatio-Temporal Dynamics and Factors Influencing PM<sub>2.5</sub> in China’s Prefecture-Level and Above Cities by Long Chen, Yanyun Nian, Minglu Che, Chengyao Wang, Haiyuan Wang

    Published 2025-06-01
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  7. 7
    Design of Variable Steering Ratio for Steer-by-Wire System Based on Driver’s Steering Characteristics

    Design of Variable Steering Ratio for Steer-by-Wire System Based on Driver’s Steering Characteristics by Kun Yang, Haobin Jiang, Long Chen, Yixiao Chen, Bin Tang

    Published 2025-06-01
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  8. 8
    Research on innovative design of Nuo mask based on Memetics-AHP-Thematic analysis-shape grammar.

    Research on innovative design of Nuo mask based on Memetics-AHP-Thematic analysis-shape grammar. by Axiang Yang, Leqiong Wang, Wangqun Xiao, Long Chen, Xinye Liao

    Published 2025-01-01
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  9. 9
    Continuous positive airway pressure in delivery room in extremely preterm infants: A single‐center retrospective study in China

    Continuous positive airway pressure in delivery room in extremely preterm infants: A single‐center retrospective study in China by Xiaoting Zhang, Long Chen, Xiaoyun Zhong, Jiangfeng Ou, Yuan Shi

    Published 2025-06-01
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  10. 10
    Highly Accurate Attitude Estimation of Unmanned Aerial Vehicle Payloads Using Low-Cost MEMS

    Highly Accurate Attitude Estimation of Unmanned Aerial Vehicle Payloads Using Low-Cost MEMS by Xuyang Zhou, Long Chen, Changhao Sun, Wei Jia, Naixin Yi, Wei Sun

    Published 2025-05-01
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  11. 11
    The effect mechanism of microstructure and impact toughness on M50 bearing steel under electroshock treatment: Experiments and atomic simulation

    The effect mechanism of microstructure and impact toughness on M50 bearing steel under electroshock treatment: Experiments and atomic simulation by Long Chen, Yanli Song, Kai Wu, Junhao Hu, Lin Hua, Jue Lu

    Published 2025-08-01
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  12. 12
    The crystal structure of catena-poly(bis(μ 2-chlorido)- (μ 2-4′-(pyridin-4-yl)-2,2′:6′,2″-terpyridine–N′, N″, N‴:N″″) -chlorido-dicopper(I,II)) monohydrate, C20H16N4OCl3Cu2

    The crystal structure of catena-poly(bis(μ 2-chlorido)- (μ 2-4′-(pyridin-4-yl)-2,2′:6′,2″-terpyridine–N′, N″, N‴:N″″) -chlorido-dicopper(I,II)) monohydrate, C20H16N4OCl3Cu2... by Wang Yu-Qing, Gong Xiao-Jie, Xie Long-Chen, Chen Bao-Kuan

    Published 2025-08-01
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  13. 13
    Mathematical Modeling and Effect of Various Hot-Air Drying on Mushroom (Lentinus edodes)

    Mathematical Modeling and Effect of Various Hot-Air Drying on Mushroom (Lentinus edodes) by Xiao-hui GUO, Chun-yan XIA, Yu-rong TAN, Long CHEN, Jian MING

    Published 2014-01-01
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  14. 14
    Jasmonic acid and ethylene signaling pathways participate in the defense response of Chinese cabbage to Pectobacterium carotovorum infection

    Jasmonic acid and ethylene signaling pathways participate in the defense response of Chinese cabbage to Pectobacterium carotovorum infection by Chang-long CHEN, Fang YUAN, Xiao-ying LI, Rong-cai MA, Hua XIE

    Published 2021-05-01
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  15. 15
    Research Status and Prospect of Anti - Friction and Anti - Wear Modification of Silicon Material Surface

    Research Status and Prospect of Anti - Friction and Anti - Wear Modification of Silicon Material Surface by CHEN Long, CHEN Wen-gang, XIE Yong, LIU De-chun, SONG Wen-tao

    Published 2021-08-01
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  16. 16
    Scaling Relationships and Sexual Size Dimorphism Among the Body Parts of Holotrichia oblita (Coleoptera: Scarabaeidae)

    Scaling Relationships and Sexual Size Dimorphism Among the Body Parts of Holotrichia oblita (Coleoptera: Scarabaeidae) by Mengmeng Zhu, Karl J. Niklas, Long Chen, Lin Wang, Yabing Jiao, Peijian Shi

    Published 2025-07-01
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  17. 17
    Influence of tree size on the scaling relationships of lamina and petiole traits: A case study using Camptotheca acuminata Decne

    Influence of tree size on the scaling relationships of lamina and petiole traits: A case study using Camptotheca acuminata Decne by Long Chen, Ke He, Peijian Shi, Meng Lian, Weihao Yao, Karl J. Niklas

    Published 2024-07-01
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  18. 18
    Increasing ECM tree dominance enhances soil lignin phenols but suppresses microbial necromass contribution to soil organic carbon in a subtropical mountainous forest

    Increasing ECM tree dominance enhances soil lignin phenols but suppresses microbial necromass contribution to soil organic carbon in a subtropical mountainous forest by Mengzhen Lu, Long Chen, Qiuxiang Tian, Qing He, Mi Yang, Zhiyang Feng, Feng Liu

    Published 2025-08-01
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  19. 19
    A Review of Coordinated Control Technology for Chassis of Distributed Drive Electric Vehicles

    A Review of Coordinated Control Technology for Chassis of Distributed Drive Electric Vehicles by Yuhang Zhang, Yingfeng Cai, Xiaoqiang Sun, Hai Wang, Long Chen, Te Chen, Chaochun Yuan

    Published 2025-06-01
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  20. 20
    Urban road collapse risk assessment based on the extended xLSTM Network

    Urban road collapse risk assessment based on the extended xLSTM Network by Jiahao Zhou, Juncai Jiang, Yizhao Wang, Wenfeng Bai, Fei Wang, Long Chen, Qinglun He

    Published 2025-12-01
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