Miracle-dz/UniFAR-FTUs huggingface dataset:
Cointegration and Nonstationarity in the Context of Multiresolution Analysis

Cointegration has established itself as a powerful means of projecting out long-term trends from time-series data in the context of econometrics. Recent work by the current authors has further established that cointegration can be applied profitably in the context of structural health monitoring (SHM), where it is desirable to project out the effects of environmental and operational variations from data in order that they do not generate false positives in diagnostic tests. The concept of cointegration is partly built on a clear understanding of the ideas of stationarity and nonstationarity for time-series. Nonstationarity in this context is 'traditionally' established through the use of statistical tests, e.g. the hypothesis test based on the augmented Dickey-Fuller statistic. However, it is important to understand the distinction in this case between 'trend' stationarity and stationarity of the AR models typically fitted as part of the analysis process. The current paper will discuss this distinction in the context of SHM data and will extend the discussion by the introduction of multi-resolution (discrete wavelet) analysis as a means of characterising the time-scales on which nonstationarity manifests itself. The discussion will be based on synthetic data and also on experimental data for the guided-wave SHM of a composite plate.
Wideband hexagonal‐shape stacked‐patch antenna array with L‐probe feed

A two‐element hexagonal‐shape stacked‐patch antenna array fed by an L‐shaped probe is designed and measured. Experimental results show that the array achieves an impedance bandwidth of 34% (SWR < 1.5)/44% (SWR < 2) and a gain of 11.5 dBi. The far‐field radiation pattern is stable across the operation band. The antenna is attractive for modern mobile‐communications covering several frequency bands. © 2004 Wiley Periodicals, Inc. Microwave Opt Technol Lett 43: 77–79, 2004; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20379
Investigation and Analysis of the Differences Between the Medical Personnel’s and General Population’s View on the Doctor-Patient Relationship and Its Causes

Background: Due to economic development and an increase in the aging population, the demand for medical resources is increasing. A good doctor-patient relationship (DPR) can optimize patients’ medical experience and improve treatment efficiency. The DPR, however, is currently in crisis in China. To explore ways to improve DPR, this study assessed the views on the status of the DPR, medical services, and the general situation of medical work among medical personnel (MP) and the general population (GP). Methods: This cross-sectional study, conducted between December 2019 and March 2020, targeted the MP and the GP in Nanjing City, Jiangsu Province, and Zhengzhou City, Henan Province. The MP and the GP answered a self-administered questionnaire through Questionnaire Star and WeChat apps. Wilcoxon's Sign Rank Test, Chi-square test, and frequency distributions and percentages were used to process the data. Results: Only 11.04% of the MP and 14.89% of the GP believed that the current DPR was harmonious. Moreover, 54.55% of the MP and 71.12% of the GP believed that the medical industry was a service industry. While 14.29% of the MP and 64.44% of the GP thought medical stuff earned high salaries, 19.48% of the MP and 47.11% of the GP wanted their children to be in the medical industry. The recognition of the current status of the DPR did not affect the GP’s preference for their children's practice (p<0.05). Most MP hoped to improve salaries (40.26%), followed by safety (17.53%) and social status (12.99%); only 8.44% of the MP wanted to improve the DPR. Conclusion: The MP’s and GP’s views on the current status of DPR, the importance of medical service attitudes, and the general sense of the medical industry were similar. However, there was a significant difference in the perception of the nature of medical services and the income of the people employed in the medical industry between the two groups. Balancing the expectations of patients in the medical industry and increasing public awareness of the actual situation in the medical industry may be a feasible way to improve the DPR.
Increase in Lower Limb Strength After Multimodal Pain Therapy in Patients With Low Back Pain

Study DesignProspective Study DesignObjectivesThe aim of the present study was to evaluate the efficacy of a multimodal pain therapy (MPM) regarding the objective parameter muscle strength of segment-dependent lower limb muscle groups before and after such a treatment. Methods52 patients with a history of low back pain and/or leg pain received standardized multimodal pain management. Strength of segment indicating lower limb muscles were assessed for each patient before and after ten days of treatment by handheld dynamometry. ResultsOverall strength increased significantly from 23.6kg ± 6.6 prior to treatment to 25.4 ± 7.3 after treatment, p≤0.001. All muscle groups significantly increased in strength with exception of great toe extensors. ConclusionDespite lower basic strength values at the beginning of treatment, all investigated muscle groups, with the exception of the great toe extensors, showed a significant increase of overall strength after completion of the multimodal pain management concept. Increased overall strength could help with avoiding further need of medical care by supporting patients’ autonomy in daily life activities, as well as maintaining working abilities. Thus, our study is the first to show a significant positive influence on lower limb strength in patients with low back pain after a conservative MPM program.
The building envelope of Mediterranean houses: Optimization of mass and insulation

In a series of optimization studies, this article investigated the building envelope of a residential building as to have the most cost-effective and energy-efficient impact on the thermal performance of the buildings in Mediterranean. Building simulations were performed to optimize designs of the components of the building envelope. Specifically, the variables of mass and insulation in combination with other important design variables and parameters and their effect on the thermal response of the building, assessed during both heating and cooling modes, were studied, outlined, and discussed. The performance of the parameters and their efficiency were compared with each other, and their effectiveness was expressed in the constructional aspects for buildings.
Settlement and Landscape Development in the Homs Region, Syria: Research Questions, Preliminary Results 1999–2000 and Future Potential

Abstract This report describes the results of the first and second seasons of field work by an interdisciplinary research team studying the landscape history of the upper Orontes Valley near Homs in western Syria. Initial discussions address the value of survey data to Syrian archaeology, the research aims of the project and describe the survey area. The project methodology, which includes a combination of both extensive and intensive survey methods, is outlined, and the use of satellite imagery as a means of site location discussed. Work on geomorphological processes and off-site artefact distributions has facilitated the development of sampling strategies for intensive surface collection planned for 2002 and 2003. A test core has established that pollen is well-preserved in the silts of Lake Qattine, which appear to offer a west Syrian palaeoenvironmental sequence. Preliminary work in the basalt terrain west of Homs has allowed the refinement of methodologies for the mapping and analysis of cairns and field systems which predominate in this area, and has highlighted the threat resulting from current bulldozing. The report concludes with some preliminary observations on the main trends as these are emerging from the data.
The just-in-time philosophy : a literature review

The just-in-time (JIT) literature is reviewed to identify 211 refereed articles. To examine the significance of JIT implementation, global productivity comparison articles are summarized. The JIT, MRP and OPT comparisons research is examined. Classification of the JIT-practices-articles according to the topic areas is presented. Critical variables, discussed in the JIT implementation in manufacturing articles, are classified according to the four basic tenets of the JIT philosophy. Eleven critical variables are identified for the elimination of waste tenet. For employee involvement in decision-making, supplier participation and total quality control tenets, five, ten, and eight critical variables, respectively, are listed. To ensure a comprehensive review of the JIT literature, an extensive bibliography and some reviews of books on the JIT philosophy are provided. Future research directions are discussed.
Bandwidth, spectral efficiency and capacity variation in twisted-pair cable

The capacity of a twisted-pair cable is limited by crosstalk, bandwidth, interference and noise. A multiple-input/multiple-output (MIMO) communications system is outlined in which far end crosstalk (FEXT) is removed and the bandwidth extended. Experimental results are presented which show a significant potential increase in spectral efficiency compared with a conventional connection over a bandwidth of 100 MHz.
Development and Evaluation of a Large-scale Forage Mat Maker

A large-scale prototype forage mat maker was designed, built, and evaluated in the field. It included a 2.1-m cutterbar, eight serrated rolls of 1.5 m width and 0.20 m diameter to macerate the crop and a compression device composed of two rubber belts which formed a thin mat for deposition onto the stubble.
Experimental Study of Adiabatic Capillary Tubes: Critical Flow of Refrigerant/Oil Mixtures

The critical flow of R-407C/oil mixtures through adiabatic capillary tubes is evaluated in this article. The available literature does not lead to definitive conclusions about the impact of oil on critical flow through capillary tubes. This phenomenon was studied experimentally using oil concentrations ranging from 2.9% to 7.9% (by mass), degrees of subcooling ranging from 8.1°C to 28.5°C (14.6°F to 51.3°F), and a condensing pressure of 1763 kPa (241 psia). The results obtained clearly show the trends of critical mass flow rate for several oil concentrations in the flowing fluid. The experimental data are analyzed and contribute to the knowledge of the influence of oil on the performance of adiabatic capillary tubes.
Assessing the effects of nondifferential misclassification of exposures in occupational studies

Abstract Misclassification of historically reconstructed exposures is a common occurrence in occupational epidemiology studies, especially in situations where exposure ratings form the basis of assessment. It is well recognized that nondifferential misclassification of exposure, which is generally the most reasonably assumed form of misclassification in epidemiologic research, will bias effect estimates toward the null value. Moreover, observed exposure-response gradients will be attenuated when exposure misclassification occurs. This paper reviews some indirect methods for examining the possible extent of bias in effect estimates that can result from nondifferential misclassification of exposure. In addition, misclassification of a confounder is considered, where the confounder may be another occupational exposure that is highly correlated with the main exposure under study. Equations are presented to make adjustments of observed cohort data, cases, and person-years to explore the magnitude of distortion.
Numerical Analysis of Fully Three-Dimensional Periodic Flows Through a Turbine Stage

Fully three-dimensional periodic flows through a turbine stage of stator and rotor are studied numerically by solving time-dependent three-dimensional Euler equations with the finite-volume method. The phase relation of stator and rotor flows and the related blade-row interaction are accounted for in the time-space domain. The established method of numerical calculation makes a practical contribution to predict actual turbine flows through a turbine stage of stator and rotor which have an arbitrary number of blades.
Arching action in high strength concrete slabs

The corrosion of reinforcement in bridge deck slabs has been the cause of major deterioration and high costs in repair and maintenance. This problem could be overcome by reducing the amount of reinforcement and/or altering the location. This is possible because, in addition to the strength provided by the reinforcement, bridge deck slabs have an inherent strength due to the in-plane arching forces set up as a result of restraint provided by the slab boundary conditions. This is known as arching action or Compressive Membrane Action (CMA). It has been recognised for some time that laterally restrained slabs exhibit strengths far in excess of those predicted by most design codes but the phenomenon has not been recognised by the majority of bridge design engineers. This paper presents the results of laboratory tests on fifteen reinforced concrete slab strips typical of a bridge deck slab and compares them to predicted strengths using the current codes and CMA theory. The tests showed that the strength of lat.
Frequency‐dependent expressions for inductance and resistance of microstrip line on silicon substrate

A new closed‐form expression to calculate frequency‐dependent distributed inductance and the associated distributed series resistance of microstrip lines on a lossy silicon substrate (CMOS technology) are presented. The proposed analytic model for series impedance is based on a self‐consistent field method and the vector magnetic potential equation. It is shown that the calculated frequency‐dependent distributed inductance and the associated resistance are in good agreement with the results obtained from rigorous full wave solutions and CAD‐oriented equivalent‐circuit modeling approach. © 2002 Wiley Periodicals, Inc. Microwave Opt Technol Lett 33: 349–352, 2002; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.10318
Future Electron Devices and SOI Technology –Semi-Planar SOI MOSFETs with Sufficient Body Effect–

We propose semi-planar silicon-on-insulator (SOI) metal oxide semiconductor field effect transistors (MOSFETs) in which the short channel effect is suppressed while a sufficient value of the body effect factor is maintained. The sufficient body effect is essential in suppressing the device characteristic fluctuations in the deep sub-100 nm regime by adaptive substrate bias control. It is shown that the optimum device design is changed when we take the body effect factor into consideration. As examples of semi-planar SOI MOSFETs, a triangular channel structure and a FinFET structure with low aspect ratio are investigated by simulation and experiment. The short channel effect is suppressed due to a three-dimensionally patterned gate structure and the body effect factor is maintained due to the relatively low aspect ratio of the channel. Simulation and experiment clearly demonstrate the superiority of semi-planar SOI MOSFETs.
A new method for the solution of the normal contact problem in the dynamic simulation of railway vehicles

Due to requirements related to computational efficiency, in the majority of railway dynamic simulators the Hertz theory is used for solving the normal problem in wheel/rail contact. This theory is based on a large number of assumptions. Particularly noteworthy is the assumed simplification that the undeformed distance between the bodies in contact can be assimilated by a quadratic function. There are many situations in which the undeformed distance cannot be represented by this kind of function. As such, the results obtained with Hertz theory in these cases are not accurate. In this paper, a new method for solving the normal problem that overcomes the above-mentioned limitation is presented. First, the exactness of the new method is tested with Hertzian cases. The results obtained are almost exact. Second, the results calculated with the new method in more general cases are compared with the ones obtained with the variational method of Kalker (more exact but computationally less efficient).
Apparel Flammability: Accident Simulations and Bench-Scale Tests

Various apparel flammability characteristics of more than 60 fabrics were explored within the framework of the Cooperative Industry Program on General Apparel Flam mability sponsored by the American Textile Manufacturers Institute. Testing consisted of apparel fire simulations on a full size mannequin and a device simulating a moving leg, as well as laboratory measurements of ignition time, heat release, weight loss, and linear and area flame spread. This paper supplements earlier reports by participants in the program by providing a different analysis of the experimental results. Almost any test method used for these purposes satisfactorily identifies apparel fabrics with low burn injury potential. Differentiation according to injury potential among the other fabrics does not appear to be possible with any single test method, although the heat release test methods appear more promising than the others. Fabrics with short ignition times and high heat release rates and total heat release are believed to present a relatively high burn injury hazard. In addition, a tendency to continue burning after contact with a surface (as when a burning garment touches the skin), which is found only in a few fabric types, can add to the burn injury hazard. A test method concept that incorporates these three factors is discussed.
Examination of the kink effect in InAlAs/InGaAs/InP HEMTs using sinusoidal and transient excitation

The kink effect in InAlAs/InGaAs/InP HEMTs is examined in the frequency domain using sinusoidal excitation and in the time domain using voltage pulses applied to the drain of the devices. With the sinusoidal excitation below the kink voltage, two prominent output-resistance frequency-response transitions attributed to traps in the InAlAs or its interfaces were found. These transitions were examined as functions of temperature and yielded trap activation energies near 0.18 and 0.56 eV. Above the kink voltage, a single, broad transition with an activation energy near 0.24 eV was found. Using incremental voltage pulses applied to the drain, a convenient kink signature was obtained. With large voltage pulses which span the kink region, a complex nonexponential transient response was observed due to concurrent capture and emission mechanisms. HEMTs with single- and double-recessed gate structures were found to have similar output resistance dispersion characteristics. >
[Oncogene].

Retroviruses have long been fascinating to biologists because of their capacity to induce neoplasms in various animals. The transformation of the cells by the viruses was due to their oncogene-products. The viral oncogenes were thought to be originated from DNA of normal cells by recombination events between retroviruses and cellular oncogenes. Recently, many cellular oncogenes were identified in human cancerous cells by the DNA transfection method, some of which were found to contain sequences related with already known viral oncogenes. On the other hand, the research on the relation between these oncogenes and chromosomal translocation associated with carcinogenesis is now in progress.
Improving oral hygiene may attenuate occurrence of head and neck cancer: nation-wide population based cohort study.

Background: In previous case-control and cross-sectional studies, less frequent dental visits, infrequent tooth brushing, presence of periodontal disease, and increased number of tooth loss were shown to be associated with increased risk of head and neck cancer. However, studies regarding the association of periodontal disease and parameters of oral health with occurrence of head and neck cancer have been lacking particularly in longitudinal setting. We aimed to investigate the relationship between parameters of oral health and risk of head and neck cancer in a nationwide general population-based cohort.Methods : We included 150,774 subjects from the Korean National Health Insurance System-Health Screening Cohort for demographics, past history, and laboratory findings. The presence of periodontal disease and parameters of oral health including frequency of tooth brushings, dental visit for any reason, expertised dental cleaning, and number of tooth loss were investigated. Head and neck cancer was defined as International Statistical Classification of Diseases-10 codes of ‘C00-C14’. Results: During median 11.1 years of follow-up, 1,155 (0.76%) head and neck cancers occurred. Based on multivariable analysis, after adjusting for demographics, alcohol intake, smoking, regular exercise, body mass index, systolic blood pressure, blood and urinary laboratory findings, and parameters of oral health, frequent tooth brushing (more than three times per day) was related to lower risk of head and neck cancer (hazard ratio, HR: 0.78, 95% confidence interval, CI: 0.66–0.93, p=0.005). Increased number of tooth loss was positively associated with occurrence of head and neck cancer (p value for trend test for HR <0.001). Conclusions : The occurrence of head and neck cancer was decreased with the more frequent tooth brushing (more than three times per day) and increased with the number of tooth loss. In regards of head and neck cancer prevention, improving oral hygiene may have significant contribution.
Short-circuited feed terminations on beam steering square loop antennas

Theoretical and experimental investigations of a beam steerable square loop antenna (SLA), including a four-port practical feeding mechanism, is presented. Exciting one of the feeds and short-circuiting the other three results in a linearly polarised beam tilted up from the ground plane and directed away from the active feed. Thus, by exciting one feed at a time, the antenna steers the beam in four different quadrants. A qualitative explanation of the radiation characteristics is also presented using the current distribution. The SLA is designed to operate at 4.5 GHz and has a gain of 6.7 dBi.
Implications of dietary Delonix regia seed meal on growth, feed utilization, haematology and fillet yield of red Nile tilapia Oreochromis niloticus

Delonix regia is commonly called Flamboyant or flame of the forest. The seeds were fermented, boiled, sundried and then ground into powdered meal. 40% crude protein based test diets containing Delonix regia seed meal D0 = 0%; D15 = 15%; D20 = 20% and D25 = 25% inclusion levels respectively were prepared. Red tilapia (Oreochromis niloticus) fingerlings of 6 weeks old were acclimatized for two weeks and then stocked in 12 hapas at 15 fish per hapa measuring 0.6 m × 1.2 m × 0.7 m placed in a concrete tank. Each diet was assigned to fish in a separate hapa in triplicate and administered at 3% fish body weight per day for 16 weeks. Fish weight and length were taken initially, bi-weekly and terminally. Water quality was monitored weekly. Number of fish at the end was recorded and survival rate, growth, feed utilization, fillet yield and blood parameters were determined. The data were subjected to the analysis of variance and mean separation (P= 0.05). Survival rate was highest in fish raised on D20 and least in D25 without any significant difference across the range. Mean growth performances, feed utilization indices and fillet yield were generally congruent between D20 and D25 with varying degrees of significant difference to other feeds. Results of blood assay did not depict harmful effects of the test diets indicating that the fish enjoyed some good measures of health. The gross performance of fish on D20 was optimal. It was therefore concluded that 20% dietary inclusion level of fermented, cooked and dried flamboyant seed was the best for the red tilapia (Oreochromis niloticus) post fingerlings.