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Reading comprehension in foreign language learning is a complex process with many underlying cognitive components. SQ4R and Student Team Achievement Division (STAD) are teaching strategies helping students make sense of unfamiliar informational text step by step and cooperatively. This study investigated the effectiveness of explicit, incidental, and intentional learning conditions on reading comprehension...
We propose wavelength-selective infrared sensors made by multiple metallic resonant waveguide gratings integrated on a germanium photodetector array. The detective spectrum can cover from 1.25μm to 1.55μm with the FWHM less than 25nm.
In recent years, intelligent mathematics problem solving has aroused the interest of researchers. In the intelligent mathematics problem solving system related to high school, the classification of statistical graph is a key step. Consequently, the classification of statistical graphs has become an urgent problem to be solved. In this paper, a new method is proposed for statistical graphs classification...
IEEE 802.15.4e network aims at providing highly reliable communication links via time slotted channel hopping (TSCH) technology for lossy wireless channels. In such network, all nodes remain synchronized via message exchange periodically to compensate for the clock drift. In this paper, we derive theoretical average time for a node to remain in synchronized status with its parent node under the noisy...
The modelling for renewable energy system (RES) performance evaluation and impact analysis can be a challenging task, where there are multiple criteria with both quantitative and qualitative forms under uncertainty. Multi-criteria decision analysis (MCDA) methods have become increasingly popular in the decision-making for renewable energy systems because of the multi-dimensionality of the sustainability...
Field-effect transistors (FETs) are commonly used as affinity-based electrical transducers, known as bioFETs. These sensors are, however, unable to directly detect uncharged molecules such as glucose, necessitating the use of ligand molecules. Further, the change of the electrical signal resulting from the biochemical reactions is often small. In the past decade, significant research was done to enhance...
With the rapid development of information technologies, our daily life has become deeply dependent on cyberspace. The new technologies provide more facilities and enhancements to the existing Internet services as it allows users more flexibility in terms of exploring webpages, sending messages or publishing tweets via cell phones or laptops. However, there are many security issues such as security...
Converting audio signal to packet stream and propagating through wireless local area network (Wi-Fi technology) to loud speakers that may be located at different rooms will be a popular scenario of multimedia applications. Since the packets received by separate speakers varied with the transmission paths and environment to them, this made the playable contents different from one speaker to another...
We study the impact of asymmetric loading on the power saving performance of EPON networks. It is generally observed that asymmetric loading often leads to reduced network performance compared to that from symmetric loading. For such network, an adaptive bandwidth assignment scheme according for traffic load can be set to meet the target of delay performance or power saving effect.
Previous studies have used on-chip thermal sensors (diodes) to estimate the leakage power of a CPU. However, an embedded CPU equips only a few thermal sensors and may suffer from considerable spatial temperature variances across the CPU core, and leakage power estimation based on insufficient temperature information introduces errors. According to our experiments, the conventional leakage power models...
Understanding dopamine (DA) signaling in the brain is essential for advancing our knowledge of pathological disorders such as drug addiction, Parkinson's disease, and schizophrenia. Currently, fast-scan cyclic voltammetry (FSCV) with carbon microfiber (CMF) electrodes is the method of choice in neuroscience labs for monitoring the concentration of phasic (transient) DA release. This method offers...
Accurate analysis of mooring system is one of the key issues in exploitation of platforms for deep water. In this paper, the depth of analysis about this combination mooring system is illustrated base on mechanical analysis and geometry, the consequences are obtained by MATLAB mathematical software, and then develop the mooring system analysis model. Focusing on the analysis of the critical situation...
The conventional crowdsourcing paradigm requires an explicit task description and payment scheme. Requesters can then easily determine whether the crowdsourced results are satisfactory, and workers will have a fairly clear expectation of the monetary reward once the task is accomplished. However, such a paradigm becomes problematic when it is applied to Object Identification (OI) tasks. First, for...
Lane departure and forward collision detection plays an important role in autonomous driving and commercial driver-assistance systems. This paper presents an integrative approach to vision-based lane departure detection which aims to be as simple as possible to enable the real-time computation while being able to adapt to a variety of highway and urban scenarios on different weather conditions. In...
Sonoporation refers to using ultrasound on microbubbles to induce cavitation so that the permeability of cellular membrane can be enhanced. Enhanced permeability can thus increase the delivery efficiency of therapeutic agents into the cells. In this study, we use gold nanorods (AuNRs) as the therapeutic agent of plasmonic photothermal therapy (PPTT) for tumor treatment. Increased delivery efficiency...
The Lightning Interferometer via VHF Emission (LIVE) is the next iteration of broadband, interferometrie lightning mapping systems. LIVE is a real-time capable instrument, producing images of lightning with a latency of about 5 seconds. Even under real-time operation conditions, LIVE will locate between 5000–50,000 sources in a single lightning flash, mapping out both the positive and negative breakdown...
The Broadband Observational network for Lightning and Thunderstorms (BOLT) is a network of low frequency electric field antennas which is capable of mapping lightning flashes in 3D. We are currently investigating improvements to both the hardware design of the BOLT antennas, and to the algorithm used to determine each lightning source location. The antenna revision increases the sensitivity of the...
In wireless telecardiology applications, electrocardiogram (ECG) signals are often represented in compressed format for efficient transmission and storage purposes. Incorporation of compressed ECG based biometric enables faster person identification as it by-passes the full decompression. This study presents a new method to combine ECG biometrics with data compression within a common JPEG2000 framework...
We provide texts generated by speech-to-text-recognition (STR) technology for non-native English speakers during lectures in English. We aim to test the feasibility of our approach. Our results show that participants who learned with STR-texts outperformed those who learned without them. Results also show no significant effect of STR-texts on post-test scores of the low and high ability participants...
Vapor compression heat pump has good prospects in future large-scale spacecraft thermal control technology. Compressor is a key component in vapor compression heat pump. It is essential to study its adaptability under micro-gravity. In this paper, an experimental system was built up to test the performance of inverted compressor subjected to micro-gravity. The performance of compressor upright and...
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