Conflict-free urban air mobility planning with an airspace-resource-centric approach by Dai, Wei

“…The ARC concept enables route-free flight planning with better flight predictability than the free-flight concept. …”
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Free fermion six vertex model: symmetric functions and random domino tilings by Aggarwal, Amol, Borodin, Alexei, Petrov, Leonid, Wheeler, Michael

“…Abstract Our work deals with symmetric rational functions and probabilistic models based on the fully inhomogeneous six vertex (ice type) model satisfying the free fermion condition. Two families of symmetric rational functions $$F_\lambda ,G_\lambda $$ F λ , G λ are defined as certain partition functions of the six vertex model, with variables corresponding to row rapidities, and the labeling signatures $$\lambda =(\lambda _1\ge \ldots \ge \lambda _N)\in {\mathbb {Z}}^N$$ λ = ( λ 1 ≥ … ≥ λ N ) ∈ Z N encoding boundary conditions. …”
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Safe passage simulation of connected autonomous vehicle platoons at signal-free intersections by Chee, Kenneth Wai Kuin

“…The results indicate that to ensure safe-passage for a CAV platoon across a signal-free intersection, the constant control gains of the simulation model must be appropriately determined.…”
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X-ray photonics in free-electron-driven van der Waals materials by Tey, Kai Zhong

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Slot-die coated methylammonium-free perovskite solar cells with 18% efficiency by Fievez, Mathilde, Rana, Prem Jyoti Singh, Koh, Teck Ming, Manceau, Matthieu, Lew, Jia Haur, Nur Fadilah Jamaludin, Ghosh, Biplab, Bruno, Annalisa, Cros, Stéphane, Berson, Solenn, Mhaisalkar, Subodh Gautam, Leong, Wei Lin

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Dendrites-free lithium metal anode enabled by synergistic surface structural engineering by Di, Jie, Yang, Jin-Lin, Tian, Han, Ren, Pengfei, Deng, Yirui, Tang, Wenhao, Yan, Wenqi, Liu, Ruiping, Ma, Jianmin

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A wireless and battery-free wound infection sensor based on DNA hydrogel by Xiong, Ze, Achavananthadith, Sippanat, Lian, Sophie, Madden, Leigh Edward, Ong, Zi Xin, Chua, Wisely, Kalidasan, Viveka, Li, Zhipeng, Liu, Zhu, Singh, Priti, Yang, Haitao, Heussler, Sascha P., Kalaiselvi, S. M. P., Breese, Mark B. H., Yao, Haicheng, Gao, Yuji, Sanmugam, Kavitha, Tee, Benjamin C. K., Chen, Po-Yen, Loke, Weiqiang, Lim, Chwee Teck, Chiang, Grace Shu Hui, Tan, Boon Yeow, Li, Hao, Becker, David Laurence, Ho, John S.

“…Here, we report a flexible, wireless, and battery-free sensor that provides smartphone-based detection of wound infection using a bacteria-responsive DNA hydrogel. …”
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Microfluidic plasma extraction from blood using wash-free pneumatic system by Lin, Yun Jia

“…The development of an automated wash-free pneumatic system for plasma extraction is beneficial for POC as it enables healthcare providers to obtain high quality plasma samples for diagnostic testing, improving the accuracy of blood test results and reducing the need for repeated tests. …”
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Free vibration of laminated composite plates with a hole and a delaminated hole by Lim, Jonathan Zhen-Yang.

“…The boundary conditions simulated were C-C-C-C (all edges clamped) and C-F-C-F (clamped-free-clamped-free). Results from Finite Element Modeling (FEM) simulation and experimental analysis were gathered and compared. …”
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Development and implementation of the mesh-free kp-RITZ method for the rotating shell dynamics by Zhao, Xin.

“…The classical theory of thin shells is used and the mesh-free methodology is implemented for the vibration and dynamic stability analyses of cylindrical and conical shells/panels.…”
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Development of bioactive PCL films using low temperature solvent free method by Lim, Lynette Sihui

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Automatic trajectory generation for free-form pocket machining in skull base surgery by Lo, Charles Vui Hong.

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Investigation into the orientation of free-falling engineering components upon impact with a surface by Lee, Stephen Siang Guan, Lim, Lennie Enk Ng, Lye, Sun Woh, Ngoi, Bryan Kok Ann

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Binder-free Si nanoparticles@carbon nanofiber fabric as energy storage material by Liu, Yuping, Huang, Kai, Fan, Yu, Zhang, Qing, Sun, Fu, Gao, Tian, Wang, Zhongzheng, Zhong, Jianxin

“…A nonwoven nanofiber fabric with paper-like qualities composed of Si nanoparticles and carbon as binder-free anode electrode is reported. The nanofiber fabrics are prepared by convenient electrospinning technique, in which, the Si nanoparticles are uniformly confined in the carbon nanofibers. …”
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Triflimide-catalyzed allyl–allyl cross-coupling : a metal-free allylic alkylation by Ding, Feiqing, William, Ronny, Wang, Fei, Liu, Xue-Wei

“…A highly efficient metal-free intermolecular C(sp3)–C(sp3) allyl–allyl cross-coupling protocol between allyl acetates and allyltrimethylsilanes, which proceeded smoothly in the presence of catalytic triflimide to form 1,5-dienes with good to excellent regioselectivity, has been developed.…”
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Label free quantitative proteomic analysis of secretome by Thermobifida fusca on different lignocellulosic biomass by Ravindran, Anita, Dutta, Bamaprasad, Sze, Siu Kwan, Cheow, Esther Sok Hwee, Adav, Sunil S.

“…Solid state fermentation of lignocellulosic biomass by filamentous microorganisms to induced enzyme production has been recognized as an attractive and cost effective technology. …”
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Characteristics of NH3/H2 blend as carbon-free fuels: A review by Awad, Omar I., Zhou, Bo, Harrath, Karim, Kadirgama, Kumaran

“…In the pursue of a carbon-free economy, the utilization of fuels with low or zero carbon footprint account for only 1% of global final energy demand, a share that is predicted to follow a dramatic growth to 20% by 2050. …”
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Hybrid free space optics/radio frequency communication for next generation wireless networks by Sharma, Shubha

“…Free space optical (FSO) communication is a point to point transmission using laser beams that supports high data rate (up to GBPS) for short range transmission up to few kilometers. …”
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Graphene metamaterials for intense, tunable, and compact extreme ultraviolet and X-ray sources by Pizzi, Andrea, Rosolen, Gilles, Wong, Liang Jie, Ischebeck, Rasmus, Soljačić, Marin, Feurer, Thomas, Kaminer, Ido

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Quantum recoil in free electron-driven spontaneous emission from van der Waals crystals by Huang, Sunchao, Duan, Ruihuan, Pramanik, Nikhil, Herrin, Jason Scott, Boothroyd, Chris, Liu, Zheng, Wong, Liang Jie

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