Miracle-dz/UniFAR-FTUs huggingface dataset:
The Influence of Control Gain in a First-Order Man-Machine Control System

An experiment was conducted to observe the effect of varying control sensitivity in a velocity control system. A single sine wave of 0.05 cps was used as the course input, and the subjects tracked in the compensatory mode using a pressure control. The operator was required to apply a maximum force of one ounce to stay on target when tracking with a maximum control gain, whereas eight pounds of force were required with a minimum control gain. Eight naval enlisted men received eight test runs on eight control sensitivities covering a range of 128 to 1. Test runs were one minute in length. A region of minimum error occurred at the lower control sensitivities. The overall error variation was 2.5 times for the entire 128 to 1 range of control sensitivities. The maximum average tracking error did not exceed one percent of the input amplitude.
An extended model of power losses in hard-switched IGBT-inverters

This paper proposes a new improved method to describe the power losses in hard-switched IGBT-inverters. The method includes dependency of voltage, current and temperature which enables the user to simulate thermal effects very quickly. The model is used on both a PT and NPT IGBT-module including the free-wheeling diode. Methods to extract the perimeters to the models are proposed and they are verified by measurements and simulation. It is concluded that the proposed model can describe the losses in IGBT-inverters accurately and a tool for simulating thermal effects is obtained.
Validity of the Schultz Slam Test (SST) as a core power measure in football

Purpose: To evaluate the validity the Schultz Slam Test (SST) as a measure of core performance in Division II collegiate American football players. Reliability, as well as convergent, content and divergent groups? validity were assessed. Methods: Collegiate Division II redshirt football players (N = 22; height 185.00 ? cm, mass 102.62 ? kg) had core power measured using the Schultz Slam Test (SST [developed for this research] and a 60-s maximum sit-up test with a built-in 30-s test), and core endurance measured using the McGill protocol (McGill, 2007). A standardized testing battery for athletic performance measures (3-repetition maximums for the power clean, back squat, and bench press, as well as vertical jump height) was also measured to assess convergent validity of the core tests. To establish content validity, seven strength and conditioning coaches with at least 5 years of football experience were asked to view a video of core tests and then complete a questionnaire. To establish divergent groups? validity the SST scores of college-level players were compared with SST scores of 20 high school football players. Results: The SST was a reliable test in colligate (r = .852, p = .000) and high school players (r = .941, p = .000). The only significant correlation between SST and football performance was squat relative to bodyweight (1.63 ? .26 kg; r = -.505). There were no significant correlations between athletic performance and sit-up. The McGill right, left lateral hold and total score best related to athletic performance. The McGill right lateral hold was significantly correlated with the relative power clean (1.20 ? 0.18; r = .680), relative squat (1.63 ? 0.26; r = .708) and vertical jump height (27.61 ? 2.92 inches; r = .515). The McGill right lateral hold was significantly correlated with the relative power clean (1.20 ? 0.18; r = .773), relative squat (1.63 ? 0.26; r = .801) and vertical jump height (27.61 ? 2.92 in; r = .520). The total McGill was significantly correlated with the relative power clean (1.20 ? 0.18; r = .518), and relative squat (1.63 ? 0.26; r = .477). The McGill extension was significantly correlated with absolute bench press (133.71 ? 27.91; r = -.468). Validity of the SST was supported by establishing content and divergent groups? validity, yet convergent validity of SST was not shown. Coaches believed that the SST was the most sports-specific test and the McGill protocol was the most practical test. The McGill protocol, although static in nature, did relate to football performance (large effect; Hopkins, 2009). The HSU players? SST times were significantly faster than high school players (t[40] = 6.70, p = .000). Conclusion: No one test is able to accurately predict football performance measures. Medicine ball throws in different planes of motion should be tested to determine a relationship to football performance variables.
Measuring and Modeling Fluid Dynamic Processes using Digital Image Sequence Analysis

In this thesis novel motion models have been developed and incorporated into an extended parameter estimation framework that allows to accurately estimate the parameters and regularize them if needed. The performance of this framework has been increased to real time and implemented on inexpensive graphics hardware. Confidence and situation measures have been designed to discard inaccurate estimates. A phase field approach was developed to estimate piecewise smooth motion while detecting object boundaries at the same time. These algorithmic improvements have been successfully applied to three areas of fluid dynamics: air-sea interaction, microfluidics and plant physiology. At the ocean surface, the fluxes of heat and momentum have been measured with thermographic techniques, both spatially and temporally highly resolved. These measurement techniques present milestones for research in air-sea interaction, where point measurements and particle based laboratory measurements represent the state-of-the art. Calculations were done with two models, both making complement assumptions. Still, results derived from both models agree remarkably well. Measurements were conducted in laboratory settings as well as in the field. Microfluidic flow was measured with a new approach to molecular tagging velocimetry that explicitly models Taylor dispersion. This has lead to an increase in accuracy and applicability. Inaccuracies and problems of previous approaches due to Taylor dispersion were successfully evaded. Ground truth test measurements have been conducted, proving the accuracy of this novel technique. For the first time, flow velocities were measured in the xylem of plant leaves with active thermography. This represents a technique for measuring these flows on extended leaf areas on free standing plants, minimizing the impact caused by the measurement. Ground truth measurements on perfused leafs were performed. Measurements were also conducted on free standing plants in a climatic chamber, to measure xylem flows and relate flow velocities to environmental parameter. With a cuvette, environmental factors were varied locally. These measurements underlined the sensitivity of the new approach. A linear relationship in between flow rates and xylem diameter was found.
Reviews on Plants Gum and Mucilage I: The Composition and Pharmacological Significance of Turmeric (Curcuma longa) Rhizomes Polysaccharides and Mucilage/their Aqueous Extracts Commercial Products

- The utilization of plants’ polysaccharide as hydrocolloid materials within the last four decades, had drawn a significant attention due to their therapeutic and pharmaceutical applications. Among the Zingiberaceae family of plants , Curcuma longa L. rhizomes polyphenolic product like curcuminoids, flavonoids, turmerones and other polyphenolics had gained extensive investigation efforts and reported intensively. polysaccharide type mucilage considerable attention by academic authors and researchers. In this survey, we tried to highlight this type of phytomolecules through exploring the issued research articles focusing on their pharmacological importance. Reference books, Scopus, PubMed, Web of Science bibliographic databases and Google scholar scientific search engines besides other open access researches sited on Google were screened for plant polysaccharides significances and uses in addition to their pharmacological activities. Screening was done using six different groups of keywords. All results found by keywords were reviewed and none-relevant articles were excluded by outcome of interests and researcher boundaries of study through a systematic method. It has been stated that, both mucilage and gums types of plants’ polysaccharides had gained great investigation efforts in recent years. Concerning C. longa L. rhizomes; four different polysaccharides had been reported. They were to be isolated, purified and characterized from their polysaccharide mucilage aqueous extract then labelled as Ukonans A, B, C and D. Several biological influences were studied for these polysaccharide compounds and mixtures as well as for their aqueous extracts fractions, including immune busting, anti-inflammatory, anti-ulcerogenic agent, insulin mimetic hypoglycemic agent, anticancer/chemo-preventive and anti-obesity agent activities. Reviewed articles encouges us to conclude the potentiality of investigation of turmeric polysaccharides as pharmaceutical additive/and or co-therapy for several pathological conditions.
Two updates on adenocarcinoma of gastroesophageal junction from the fifth WHO classification of tumors of the digestive system: alteration of gastroesophageal junction definition and the emphasis on HER2 test.

Background: The incidence of gastroesophageal junction (GEJ) adenocarcinoma has increased rapidly but remains controversial over the last decades. There are two crucial updates of the fifth WHO classification including the alteration of GEJ location and the emphasize on human epidermal growth factor receptor 2 (HER2) test.Methods: We retrospectively analyzed the clinicopathological features of 566 patients suffered from gastric adenocarcinoma. We comprehensively compared the clinicopathological features among GEJ and non-GEJ tumors, GEJ and proximal and distal gastric tumors with fourth and fifth edition, respectively. Besides, we discussed the correlation of the HER2 expression with clinicopathological features according to the fifth WHO classification.Results: The results showed that the difference was mainly between GEJ and distal adenocarcinoma in the fourth edition, but some were between proximal and distal adenocarcinoma in the fifth edition. Tumors with longer invasion of the oesophagus were still mainly concentrated in GEJ tumors. The expression of HER2 in GEJ and proximal gastric adenocarcinoma was still higher than that in gastric body and distal site, which was basically consistent with the conclusion of the fourth edition classification.Conclusions: The clinicopathological parameters of the GEJ tumors partly changed with the narrowing scope of the GEJ adenocarcinoma. The proximal gastric tumors rather than GEJ tumors tended to be more invasive. But the GEJ tumors with longer oesophageal invasion required additional management. The HER2-expression of GEJ adenocarcinoma is still higher than that of other gastric sites. The classification of the fifth edition is reasonable and worthy of recommendation.
RNA packaging and gene delivery using Tobacco mosaic virus pseudo virions

Title of dissertation: RNA PACKAGING AND GENE DELIVERY USING TMV PSEUDO VIRIONS Chi-Wei Hung, Doctor of Philosophy, 2008 Dissertation directed by Professor William E. Bentley Fischell Department of Bioengineering RNA interference (RNAi) has emerged as a powerful tool for the study of gene function and post-transcriptional regulation. However, the lack of a proper delivery system for RNAi is a major problem for its application as a therapeutic agent. In this study, Tobacco mosaic virus (TMV) is utilized as an RNAi carrier for gene delivery into mammalian and insect cells. The self assembly and disassembly of TMV is investigated to create chimeric viruses for gene delivery. The origin of assembly sequence (OAS) within the TMV RNA initiates its association with coat protein through a unique hairpin structure. Studies in this dissertation show that by incorporating TMV OAS into an RNA of interest, the RNA can assemble into “pseudo-virions” by the virus coat protein. The length of the pseudo-virions changed in proportion with the size of the RNA. To deliver the RNA to the targeted cells, virions are further surface-modified with synthetic cellpenetrating peptides to facilitate cell endocytosis. Two genes were selected as targets: 1) EGFP as a visual marker and 2) Cyclin E for control of cell cycle. EGFP is expressed in a transient expression experiment using a plasmid vector, pEFGP-N1. Cyclin E is regulated endogenously in High Five cells, and its translation is targeted using the pseudo virions. Pseudo-virions targeting EGFP RNA (antisense EGFP) are able to suppress transient EGFP production by 61% whereas pseudo virions targeting cyclin E (antisense cycE) are capable of arresting cells at G1 phase. This RNA packaging system protects packaged RNA and provides a means of delivering RNAi constructs into various host cells. RNA PACKAGING AND GENE DELIVERY USING TOBACCO MOSAIC VIRUS PSEUDO VIRIONS
British high streets: from crisis to recovery? A comprehensive review of the evidence

In one of the most exhaustive evidence reviews into high streets, town centres and consumer habits ever conducted in Britain, researchers at the University of Southampton have highlighted that seismic shifts in consumer behaviour, combined with significant technological innovations, are having a deep and profound impact on the evolution of UK high streets. Funded by the Economic and Social Research Council (ESRC) and commissioned by the Government’s advisory group The Future High Streets Forum, this report comes at a time when radical shifts in consumer culture and practices are becoming increasingly apparent and widely discussed in public debate on what is changing UK town centres and high streets. This review offers an important resource for many groups with stakes in British town centres and high streets. It reflects the fact that reversing the decline of Britain’s high streets can only be achieved through research and informed discussion and by harnessing the goodwill and common purpose which has recently been displayed by the many stakeholders in the retail, hospitality, property and leisure sectors in working together to understand and address those challenges.
Aspek Tindakan dan Perilaku dalam Kemiskinan: Studi pada Masyarakat Nelayan Kabupaten Pesisir Selatan Sumatera Barat

There is a unique stratification within the fishermen society; highest position is held by the owner of the ship, middle position is tungganai (guardian), and the lowest is the crew (labor fishermen) and traditional fishermen. Poverty is in the lowest end. They struggle difficultly to go out of their poverty. In terms of motivation, the poor fishermen work hard to have a better life. However, the condition and situation do not give them the chance to escape poverty. Key words: poverty , fishermen
Aperture compensation and multipole generation techniques leading to the emergence of a new planar filter

Aperture compensation technique is developed for achieving effectively strong coupling strength in the parallel-coupled microstrip line (PCML). This PCML is in this work characterized by an equivalent J-inverter network with the use of our SOC de-embedding technique self-contained in our fullwave MoM algorithm. Extracted parameters indicate that the coupling strength appears frequency-distributed and its maximum value rapidly rises up as the aperture becomes widened. Then, a pair of capacitively loaded line section is inserted between two identical PCML to formulate a new planar bandpass filter with multi-pole bandpass behavior. Our predicted and measured results show attractive properties of the proposed filter with BW=60%, |S/sub 11/|<-16 dB and 220% wide up-band of rejection.
The Hilar Height Ratio in Normal Chest Radiographs of Adults Seen at Selected Tertiary Hospitals in Kampala, Uganda; A Forgotten Parameter in Pulmonary Medicine

Background: The hilar height ratio (HHR) is a numerical expression of the hila position. Displacement of the pulmonary hilum is the most reliable indirect sign, in conditions that result in pulmonary volume changes. Despite the high utility of the chest radiograph, it has a relatively low diagnostic accuracy, high interobserver disagreement and numerous errors following interpretation. Routine use of the HHR with knowledge of the normal ranges would, therefore, help improve the overall chest radiograph sensitivity, reduce on errors and the interobserver disagreement in the interpretation of pulmonary volume changes. This study aims to determine the HHR in our study population, compare it with previous studies, and to relate it with sex, stratified age groups, height and body mass index (BMI). Methods: A consecutive cross-sectional study with purposive sampling were used to filter out a total of 384 normal chest radiographs of adults seen from three tertiary hospitals in Kampala, Uganda. The right and left HHRs were evaluated for each chest radiograph, along with the age, sex weight, height and BMI.Results: The median right HHR for the participants was 1.42 (IQR = 1.31- 1.57), and the median left HHR was 0.92 (IQR = 0.86- 0.98). There was a significant mean difference in the right HHR between the sex groups (p = 0.017) and age groups (p = 0.001). The mean difference in the left HHR was not affected by sex (p = 0.178) or age (p = 0.198). The right and left HHRs showed a very weak correlation to height (r = - 0.10 and r = 0.08, respectively). The right and left HHRs were not significantly different among the BMI groups (p = 0.254 and 0.20 respectively). Conclusion: The median left HHR was not affected by sex, age, weight and height while the right HHR varied with sex and age in our study population. Weight and height do not affect HHRs. The females in our study population had a higher positioned right hilum, whereas the position of the right hilum progressively lowered with increasing age.
A new method of waveform digitization based on time-interleaved A/D conversion

Time interleaved analog-to-digital conversion (TIADC) based on parallelism is an effective way to meet the requirement of the ultra-fast waveform digitizer beyond Gsps. Different methods to correct the mismatch errors among different analog-to-digital conversion channels have been developed previously. To overcome the speed limitation in hardware design and to implement the mismatch correction algorithm in real time, this paper proposes a fully parallel correction algorithm. A 12-bit 1-Gsps waveform digitizer with ENOB around 10.5 bit from 5 MHz to 200 MHz is implemented based on the real-time correction algorithm.
The fuzzy leaky bucket for policing mechanism in ATM networks

This paper presents a model of fuzzy leaky bucket (FLB) for policing mechanism (PM) in ATM networks. Because of the fundamental contract, call acceptance control (CAC) may not be reasonable and some traffic is very difficult to model, thus dynamic adjustment is needed during practical applications. We have presented the function and theory of the designed FLB. The conclusions show that the FLB is a better dynamic method of PM than the conventional one. The cell loss probability and mean time delay are lowered and the utilization of bandwidth is improved in the FLB.
Investigation of thin flexible pavement response between traffic and the falling weight deflectometer (FWD)

Abstract The Falling Weight Deflectometer (FWD) is commonly used to evaluate structural characteristics of pavements. The FWD simulates vehicular loads at typical highway speeds and the data is used to back-calculate layer moduli and design overlays (among other functions). In routine testing, the only data obtained is on the surface of the pavement, which leaves potentially significant behaviors within the pavement undetected. The focus of this paper is to present the analysis of a heavily instrumented, full-scale flexible pavement that was subjected to vehicular traffic and FWD loads under controlled testing conditions. Statistical analysis and finite element modeling separately demonstrated that the responses produced by the FWD were, in general, lower than those from corresponding vehicular traffic, and this behavior was more pronounced with depth. Finite element modeling resulted in traffic asphalt strain, base pressure, and subgrade pressure responses exceeding FWD responses by factors of 1.27, 1.76, and 2.43, respectively. Similarly, a statistical analysis resulted in factors of 1.36, 1.66, and 2.39, respectively. Additional analysis showed the deflection from FWD loading would have to be increased between 1.3 to 1.6 times to produce corresponding vehicular traffic stress states.
Finger Vein Based User Identification Using Differential Box Counting

The personal information can be protected in the form of biometrics which uses human physiological or behavioural features for personal identification. Finger vein ID is a biometric authentication system that matches the vascular pattern in an individual’s finger to previously obtained data. Finger vein recognition uses the unique patterns of finger veins to identify individuals at a high level of accuracy. Most existing biometric systems have high complexity in time or space or both. This paper presents a user identification system framework using a novel finger-vein technology for authentication, which provides high security and reliability than the other identification technologies. The proposed algorithm is Fractal Model using Differential Box Counting method (DBC). The performance parameters of the proposed algorithm are compared with the existing algorithm, (Fractal model using blanket technique) and the equal error rate is calculated to be 0.05%. This approach not only has precise estimated parametric values but also consumes less computational time.
Radio Frequency Interference Mitigation at the Westerbork Synthesis Radio Telescope: Algorithms, Test Observations, and System Implementation

The sensitivity of radio astronomical stations is often limited by man-made radio frequency interference (RFI) due to a variety of terrestrial activities. An RFI mitigation subsystem (RFIMS) based on real-time digital signal-processing is proposed here for the Westerbork Synthesis Radio Telescope based on a powerful field programmable gate array processor. In this system the radio astronomy signals polluted by RFI are "cleaned" with the RFIMS before routine back-end correlation processing takes place. The high temporal and frequency resolution of RFIMS allows the detection and excision of RFI better than do standard radio telescope back-end configurations.
Implementing strategies: barriers and facilitators in the specialized Brazilian literature

This article aggregates empirical evidence of the main barriers to and facilitators of the implementation of different strategies at organizations in Brazil. It is a theoretical study that uses as its starting point those studies that regard strategy as a social practice, with conclusions based on research found in the main Brazilian publications from 2000 to 2007. The authors’ intent is to answer three questions on strategy studies in Brazil simultaneously: Has the publication of theoretical studies dropped considerably in the specialized meetings in our country, with the risk of falling into empiricism devoid of theoretical thinking? Does the area have a colonized position vis-a-vis Anglo-Saxon studies? In addition, is there a shortage of studies on strategy implementation processes, given that the research tends to focus on the formulation of strategies? Though thoughts and references from international literature are not disregarded in this study, especially concerning the theoretical input of strategy as practice, the authors aim to gather domestic knowledge capable of illustrating the reality of Brazilian organizations on the issue in question. This article concludes that certain factors that facilitate the effective implementation of strategies may actually constitute barriers, depending on how the strategy is conducted by the individuals and the groups that interact constantly within organizations. Key words : Strategy implementation. Strategy as practice. Strategy in Brazil.