A narrowband ultrasonic ranging method for multiple moving sensor nodes by Ashhar, Karalikkadan, Md. Noor-A-Rahim, Mohammad Omar Khyam, Soh, Cheong Boon

“…Accurate ranging using narrow-band ultrasonic transducers in small-scale environments can be used for indoor localization, human motion capture, and robotic navigation. …”
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The golden bull : is it coming? (current prospects of gold trading) by Lim, Wee Beng, Lim, Daniel Chih Ming, Leong, Kum Hoe

“…We must admit that over the past few years, the price of gold has been in its doldrums and has seemingly been contained within a narrow band of prices. Unlike most other investments, gold hoarding not only does not reap annual returns in the form of dividends or interests (with the exception of gold shares and the like), it instead entails the incurrence of an annual maintenance fee for storage, insurance and other expenses. …”
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A 110pJ/b multichannel FSK/GMSK/QPSK/p/4-DQPSK transmitter with phase-interpolated dual-injection DLL-based synthesizer employing hybrid FIR by Cheng, San-Jeow, Gao, Yuan, Toh, Wei-Da, Zheng, Yuanjin, Je, Minkyu, Heng, Chun-Huat

“…Hence, a reconfigurable TX that can support multichannel and multimodulation with reconfigurable data rate, spectrum and energy efficiency would be desirable. …”
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Mechanical and electrical characteristics of screen printed stretchable circuits by Tang, Reuben Wei Liang

“…Carbon ink on the other hand, has a higher initial resistance but the maximum strain at break is 125%. …”
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Evaporation and crystallisation of saline droplet with surfactant on smooth surfaces by Wong, Dennis Kin Wai

“…On the other hand, concentric rings were observed at a high concentration of 0.8 mM CTAB with concentration of SDS below 6.4 mM SDS. …”
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Developing a taxonomy of consumer preferences for enhancing B2C e-commerce last-mile delivery: delivered food by Teo, Ee Lin

“…The surge in OFD orders has resulted in OFD platforms facing some difficulty in keeping up with the demand. …”
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Behaviours and attitudes in response to the COVID-19 pandemic: insights from a cross-national Facebook survey by Perrotta, D, Grow, A, Rampazzo, F, Cimentada, J, Del Fava, E, Gil-Clavel, S, Zagheni, E

“…Respondents rapidly adopted the use of face masks when they were not yet mandatory. We observed a clear pattern in threat perceptions, sharply increasing from a personal level to national and global levels. …”

Modeling and compensation of asymmetric piezo-actuated flexure-based system hysteresis by Zhou, Chao

“…Using functions of rates as the properties of operators and two observers, the RDPI model can model and compensate for the asymmetric and rate-dependent system hysteresis. …”
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Attacks in Reality: The Limits of Concurrent Error Detection Codes against Laser Fault Injection by Breier, Jakub, He, Wei, Jap, Dirmanto, Bhasin, Shivam, Chattopadhyay, Anupam

“…A single-bit linear parity scheme is shown to be ineffective for error detection, since the LFI can typically flip multiple bits that are close to each other. On the other hand, a linear randomized parity scheme, with multiple bits parity, shows higher detection rates. …”
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Intelligent agent design for persuading the elderly to adopt a healthy lifestyle by Yu, Xinjia

“…Since the elderly are facing the problem of diminishing social relations, persuasive agents are widely used to assist face-to-face persuasive efforts. …”
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Comparison of Finite Element Methods and Satellite InSAR for Monitoring Deformations of a Large Tailings Dam by Fetell, Robert Henry

“…The InSAR data are also insightful in showing relatively uniform lateral deformations occurring over the face of the dam, consistent with the interpreted translational failure mechanism. …”
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Wage premium in Singapore. by Tan, Ruo Hui., Tan, Yan Yu., Lee, Wai Meng.

“…Another approach, which we eventually decided upon, was to perform face-to-face interviews. This method allows us to explain and clarify for any complexities involved in our survey questionnaire. …”
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Atomistic simulation of deformation under extreme loading conditions by Sharuz Farooque Rahmatullah

“…From the simulations, it was found that different strain rates showed a vast difference in the dislocation patterns. …”
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Essential role of lattice oxygen in methanol electrochemical refinery toward formate by Meng, Fanxu, Wu, Qian, Elouarzaki, Kamal, Luo, Songzhu, Sun, Yuanmiao, Dai, Chencheng, Xi, Shibo, Chen, Yubo, Lin, Xinlong, Fang, Mingliang, Wang, Xin, Mandler, Daniel, Xu, Jason Zhichuan

“…Here, using 18O isotope-labeled catalysts, we find that the oxygen atoms in formate generated during the methanol e-refinery reaction can originate from the catalysts' lattice oxygen and the O-2p-band center levels can serve as an effective descriptor to predict the catalytic performance of the catalysts, namely, the formate production rates and Faradaic efficiencies. …”
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A low-cost, open-source cylindrical Couette rheometer by Erni, Makita, Hart, A. John, Trumper, David, Owens, Crystal E.

“…Building on this, flow curves of three complex fluids – a microgel (hand sanitizer), foam (Gillette), and biopolymer solution (1% Xanthan Gum) – were measured with a similar error range. …”
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GCBF+: A Neural Graph Control Barrier Function Framework for Distributed Safe Multi-Agent Control by Zhang, Songyuan, So, Oswin, Garg, Kunal, Fan, Chuchu

“…Furthermore, the proposed method does not compromise on the performance, in terms of goal reaching, for achieving high safety rates, which is a common trade-off in RL-based methods.…”
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Solution based synthesis of Cu2ZnSnS4 nanoparticles and thin films for solar cell application by Li, Zhenggang

“…The valance band and conduction band energy levels are determined using CV measurements to be -5.37 and -3.85 eV (kesterite), -5.60 and -3.91 eV (wurtzite). …”
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Optimizing selenization conditions of Cu2CdSn(S,Se)4 by Wong, Jia Mian

“…Selenization has also showed that it is able to reduce band gap and by adjusting S/Se ratio band gap can be adjusted. …”
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A qualitative systematic review of anonymous/unspecified living kidney and liver donors' perspectives by Lim, Wen Hui, Chan, Kai En, Ng, Cheng Han, Tan, Darren Jun Hao, Tay, Phoebe Wen Lin, Chin, Yip Han, Yong, Jie Ning, Xiao, Jieling, Fu, Clarissa Elysia, Nah, Benjamin, Tiong, Ho Yee, Syn, Nicholas, Devi, Kamala, Griva, Konstadina, Mak, Loey Lung Yi, Huang, Daniel Q., Fung, James, Siddiqui, Mohammad Shadab, Muthiah, Mark, Tan, Eunice X. X.

“…This qualitative systematic review provides insights into the first-hand experiences, motivations, and challenges that unspecified donors face. …”
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Near-IR and mid-IR (1.55 μm – 2 μm) silicon photonics devices on silicon-on-insulator (SOI) platform by Zhang, Zecen

“…Furthermore, the mid-infrared (MIR, 2-15 μm) band is also very crucial as many gases and molecules have unique absorption fingerprints in this regime. …”
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