Miracle-dz/UniFAR-FTUs huggingface dataset:
Substrate : Flexible plastic film Semiconductor : P 3 AT Insulator : PHS Gate-electrode : Gold S / D-electrode : Gold

Organic Field-effect Transistors (OFETs) with poly(3-alkylthiophene) (P3AT) as semiconductor on flexible polymeric substrate and organic insulator in top gate construction were prepared. These transistors show a high field-effect mobility, good saturation behavior for low biases and rather high on-off ratio. The transistors were characterized through dynamic and lifetime measurements. A switching speed of 38 kHz at a 3 dB modulation depth was reached in a single transistor. The shelf-lives of the transistors exceeded eight months without any special encapsulation. In addition different integrated plastic circuits (IPC) were constructed consisting of several organic transistors including NAND/NOR gates, bi-stable flip-flops and ring-oscillators with an oscillating frequency of 68 Hz.
The Performance of Centrifugal Compressor Channel Diffusers

Test results pertaining to the characteristics of single-stage centrifugal compressors with backswept impellers and channel-type diffusers are presented and analyzed to formulate major performance criteria influencing maximum diffusion capability. For any given stage, it was determined that stage surge (when triggered by diffuser stall), occurred near a constant mean stream velocity diffusion ratio between the impeller tip and diffuser throat. This diffusion ratio attained a maximum value of 1.8 for impeller tip Mach numbers less than unity, but was not unique for all stages, being more intimately coupled with throat blockage accumulation as a function of diffusion rate. This was identified by testing some vaned diffusers beyond the stall limit where rapid blockage accumulation precipitated an immediate decrease in channel diffuser and system static pressure recovery. The results of various experiments in the vaneless space are also described to illustrate the sensitivity of the vaneless space flow upon centrifugal compressor performance.Copyright © 1982 by ASME
Adaptive and Dark Personality Traits in the Covid-19 Pandemic: Predicting Health-behavior Endorsement and the Appeal of Public-health Messages

Who embraces directions to socially distance, boost hygiene, and protect others during a pandemic of contagious respiratory disease? Do differently phrased public-health messages appeal to different people? I based predictions on the five-factor, triarchic psychopathy, and Dark Triad models of normal-range and dark traits; the extended parallel process model (EPPM); and schema-congruence theory. In a survey of 502 online participants, normal-range traits (esp. agreeableness and conscientiousness) predicted endorsement of social distancing and hygiene, as well as the appeal of health messages in general. Consistent with the EPPM, conscientiousness and neuroticism had an interaction. Dark traits (esp. psychopathy, meanness, and disinhibition) predicted low endorsement of health behaviors and the intent to knowingly expose others to risk. Most participants preferred a message appealing to compassion (“Help protect the vulnerable.”), but dark traits predicted lower appeal of that message. Personality appears relevant to epidemiology and public-health communication in a contagious-disease context.
Hearing Conservation in Industry, Schools, and the Military

Introducing a new hobby for other people may inspire them to join with you. Reading, as one of mutual hobby, is considered as the very easy hobby to do. But, many people are not interested in this hobby. Why? Boring is the reason of why. However, this feel actually can deal with the book and time of you reading. Yeah, one that we will refer to break the boredom in reading is choosing hearing conservation in industry schools and the military as the reading material.
Tribological evaluation of sportswear with negative fit worn next to skin

Compression garments are constructed to have a negative fit where the size of the garment is smaller than that of the body over which they are fitted. Due to this negative fit, these types of garments generate pressure on the underlying tissue of the human body where the inner surface of these garments is in full contact with the wearer’s skin. Sensorial or tactile comfort is an important part of an overall physiological comfort of sport apparel. The friction between fabric and skin and the fabric surface roughness are two important components in evaluation of the sensorial comfort of fabrics and materials. The objective of this study is to investigate and compare the material surface characteristics of fabrics suitable for the sport compression garments under conditions similar to those when such garments are worn. The study quantitatively examines and evaluates the effects of fabric construction, physical structural parameters and especially fabric elastic deformation on the fabric surface topography as relevant to the practical wear of sport garments with negative fit made from it. In addition, the influence of the presence of moisture in the fabrics due to the sweat absorption during strenuous physical activity on the textile surface characteristics is addressed.
Comparative study of confinement models for high-strength concrete columns

The analysis of structural members requires an analytical model for the full stress-strain relationship of concrete in compression both in confined and unconfined states. Many empirical confinement models have been reported in the literature during the last three decades. The models developed for normal strength concrete are not applicable to high-strength concrete, because they overestimate the ductility of high-strength concrete. This paper critically reviews the various proposed stress-strain models for confined high-strength concrete columns. There are very few models for confined concrete with compressive strength in the range of 60–120 MPa. The main objective of the present study is to examine the capabilities of the various models to predict the actual experimental behaviour of confined concrete columns with concrete strengths falling in this range. To this end, twenty-two test specimens were chosen from the reported experimental studies in the literature and their stress-strain curves were compare.
All-silicon optoelectronic modulator with 1 GHz switching capability

An optoelectronic modulator capable of 1.4 GHz maximum operation frequency is presented. The device comprises a pin diode embedded in a silicon-on-insulator rib waveguide where a Bragg grating is etched. By optimising the dimensions of the device and with a suitable choice of the driving signal, ultra-GHz switching has been achieved.
Successful Change Management

Abstract Experience shows many change initiatives fail to deliver. They do not always lead to total failure, but they get stalled, misdirected, or only partially achieve the required results. As the speed of change in the external environment increases by the minute the authors set out to identify the common success factors for managing change. The main purpose of the research was to examine the apparent gap between often seen approaches and ‘best practice’, the output being a helpful framework to support future initiatives. Senior management in 28 organisations from a variety of industries, including the public sector, were interviewed to gain their insights on how to manage change successfully. The research, which was conducted over a six-month period, examined a number of themes covering the triggers for change, planning for change, and implementing change. The forces for change, as experienced by the respondents, were also captured. A number of insights were identified through the research which showed that successful change focuses on both strategic and operational issues. The key links between the strategic objectives and operational improvement are through the core processes, which need to be understood, measured and improved. If the links are broken, then the change is largely ineffective. The research led to the definition of two main constructs of change management: readiness for change and implementing change. These have been shown diagrammatically in a framework which should be an aid to all organisations that are about to embark on a change programme, or are in the process of managing change and wish to improve their chances of success.
Examining the effect of learning orientation on innovativeness

Although the significance of learning organisation is recognised in innovation management, there seems to be a lack of studies on how learning orientation affects on innovativeness in small firms. This paper aims at filling this gap. Using 87 small size business manufacturing and service firms in Tehran (27% response rate), it was found that higher levels of commitment to learning, shared vision and open-mindedness lead these small firms to be more innovative. Hence, innovativeness in small firms can be driven by commitment to learning. Overall, the regression analysis suggests that the effects of commitment to learning, shared vision and open-mindedness on market share are important.
Robustness, fidelity and prediction-looseness of models

Assessment of the credibility of a mathematical or numerical model of a complex system must combine three components: (i) the fidelity of the model to test data, e.g. as quantified by a mean-squared error; (ii) the robustness, of model fidelity, to lack of understanding of the underlying processes; and (iii) the prediction-looseness of the model. ‘Prediction-looseness’ is the range of predictions of models that are equivalent in terms of fidelity. The main result of this paper asserts that fidelity, robustness and prediction-looseness are mutually antagonistic. A change in the model that enhances one of these attributes will cause deterioration of another. In particular, increasing the fidelity to test data will decrease the robustness to imperfect understanding of the process. Likewise, increasing the robustness will increase the predictive looseness. The conclusion is that focusing only on fidelity-to-data is not a sound decision-making strategy for model building and validation. A better strategy is to explore the trade-offs between robustness-to-uncertainty, fidelity to data and tightness of predictions. Our analysis is based on info-gap models of uncertainty, which can be applied to cases of severe uncertainty and lack of knowledge.
Struggle in the Studio: A Bourdivin Look at Architectural Pedagogy

This article seeks to establish two propositions. First, architectural education, although obviously intended as vocational training, is also intended as a form of socialization aimed at producing a very specific type of person. It is contended that the effects of this process have been considerably underestimated by architectural educators. Second, this process favors certain types of students—those from well-to-do, cultivated families—at the expense of others. The sociological framework of Pierre Bourdieu is enlisted to conduct the analysis.
Wind farm noise

Arrays of small wind turbines, recently coined as “wind farms”, offer several advantages over single, larger wind turbines producing the same electrical power. Noise source characteristics of wind farms are also different from those associated with a single wind turbine. One‐third octave band noise measurements from 2 Hz to 10 kHz have been made and will be compared to measurements of noise produced by a single, large wind turbine. [J. R. Balombin, Technical Memorandum 81486. ]
Multichannel Substrate Integrated Waveguide Diplexers Based on Orthogonal Dual Modes and Split-Type Multiband Responses

An approach for implementing compact multichannel substrate integrated waveguide (SIW) diplexers is presented based on orthogonal dual modes and split-type multiband responses. By coupling multiple TE101-based bandstop single-mode cavities to TE201/TE102-based bandpass dual-mode cavities, one or both of the two passbands constructed by TE201 and TE102 modes could be split into multiple subpassbands. Additionally, by arranging two output ports at central positions of adjacent sides of the last cascaded dual-mode cavity, isolations between these two output ports can be achieved and then further improved by tiny offset locations benefitting from the orthogonal characteristics of TE201 and TE102 modes. Three experimental prototypes, including a 1 + 2 type tri-channel SIW diplexer, a 3 + 1 type quad-channel SIW diplexer, and a 2 + 2 type quad-channel SIW diplexer, are synthesized, designed, fabricated, and measured to demonstrate and validate the proposed mode-collaborative design concepts.
The Elevation Illusion in Virtual Audio

Virtual audio involves headphone presentation of sound that appears to originate from an external location. Perception of elevation is known to be less accurate for virtual audio than for real sources. Anecdotal evidence suggests that at least some listeners have a pronounced tendency to consistently perceive the virtual audio as elevated higher than intended. The present study was conducted to investigate and compare errors in perception of elevation for virtual and real sources. Eight subjects listened to sounds presented through loudspeakers (behind an acoustic curtain) and through headphones (as virtual sources), and reported their perceived elevation for each sound. Five elevations were used (two above, two below, and one at ear level). The results show near perfect performance for perception of elevation for the loudspeaker condition. Perception of elevation was far less accurate for the virtual sources, and some subjects consistently perceived virtual sources higher than intended.
Air System Correlations: Part 2 — Rotating Holes and Two Phase Flow

Three important subjects of the physics of air systems have been chosen:Part 1: Labyrinth SealsPart 2: Rotating Holes and Two Phase FlowIn these fields many new papers are available. Correlations out of the literature for the discharge coefficients of rotating holes which include the most important parameters are compared and discussed. For two phase flow simple correlations for engineering purposes are recommended, especially for vent lines of aero engines. It is concluded that much more effort is required in order to push knowledge beyond the state of current literature which is partly controversial and not comprehensive enough for computerized engineering.Copyright © 1998 by ASME
Contemporary Evolution

The term “contemporary evolution” is typically used in reference to ongoing or recent genetically based (heritable) phenotypic changes taking place in wild populations. In some cases, the genetic and genomic basis for these phenotypic changes can be identified and documented. Contemporary evolution is most apparent when organisms experience dramatic environmental changes, especially due to human causes such as commercial fisheries, climate change, pollution, or urbanization. Contemporary evolution then influences a number of evolutionary and ecological processes, such as ecological speciation, population dynamics (including evolutionary rescue), community structure, and ecosystem function. As a result, contemporary evolution has important applications in conservation biology, environmental sciences, and sustainability science.
Information technology: a study of performance and the role of human and organizational factors

The aim of this study was to gather and collate information from the major researchers and consultancies in the UK regarding the performance of Information Technology (IT) and the role of human and organizational factors. The findings are based on the experience of 45 of the leading experts in the UK, drawing on a collective sample of approximately 14,000 organizations, covering all major sectors of economic activity and a comprehensive range of information technologies. The main findings are that 80–90% of IT investments do not meet their performance objectives and the reasons for this are rarely purely technical in origin. The context of technical change, the ways in which IT is developed and implemented, a range of human and organizational factors, and the roles of managers and end-users, are identified as critical areas affecting performance. A major implication is that the poor performance of IT systems is the result of a complex set of interacting forces that will be difficult to change. The study r.
Spatial effects in the productivity convergence of Spanish industrial SME's

ABSTRACT This paper analyses the spatial effects influence on the convergence process in Spanish industrial SME's productivity. In order to do this: 1. We use an absolute convergence model considering the technological intensity of each sector; 2. From a statistical point of view, we determine the existence and composition of convergence clubs in productivity levels; 3. Finally, we test if the convergence clubs are affecting to the convergence process. To do this, we use accounting information with a microdata source composed by 35.042 firms over the period 1996–2004. The results show that there is a regional convergence process in firms belonging to high and low technological intensity. Moreover, in high technology sector there is not a spatial structure while this structure is evident in low technology sector. In this last case the spatial structure is influencing on the convergence process.
Higher locoregional recurrence in hormone receptor-negative breast cancer patients with residual disease after neoadjuvant treatment undergoing breast conservation surgery

Background Neoadjuvant chemotherapy (NAC) has been the standard treatment for locally advanced breast cancer for the purpose of downstaging or for conversion from mastectomy to breast conservation surgery (BCS). Locoregional recurrence (LRR) rate is still high after NAC. The aim of this study was to determine predictive factors for locoregional recurrence (LRR) in breast cancer patients in association with the operation types after NAC. Methods Between 2005 and 2017, 1047 breast cancer patients underwent BCS or mastectomy after NAC in Chang Gung Memorial Hospital, Linkou. We obtained data regarding patient and tumor characteristics, chemotherapy regimens, clinical tumor response, tumor subtypes and pathological complete response (pCR), type of surgery, and recurrence. Results The median follow-up time was 45.1 months (range 0.1-160.3 months). The mean initial tumor size was 4.89 cm (SD ± 2.95 cm). Of the 1047 NAC patients, 232 (22.2%) achieved pCR. The BCS and mastectomy rates were 41% and 59%, respectively. Overall, 240 patients experienced tumor recurrence (22.9%). Thirty-five cases of LRR (14.3%) were noted following BCS, of which 4.3% achieved pCR. Multivariate analysis indicated that independent factors for the prediction of LRR included hormone receptor negative/human epidermal growth factor receptor 2 positive (HR-/HER2+) subtype, HR-/HER2- subtype, and failure to achieve pCR. Further investigation according to the molecular subtype showed that following BCS, HR-/HER2 + non-pCR group had significantly increased LRR compared with the HR+/HER2 + pCR group (22.2% vs 6.3%, p < 0.05), and the HR-/HER2-non-pCR group had significantly increased LRR compared with the HR-/HER2-pCR group (0% vs 20.4%, p < 0.005). Conclusion Pathological response after NAC is related to the risk of developing LRR. The LRR rate was higher in non-pCR patients after NAC, especially in hormone receptor-negative patients undergoing BCS. Therefore, both the pathological response status and molecular subtype should be carefully considered when considering candidates for BCS after NAC.
TiW/Cu/TiW interconnection lines patterned by IR-assisted RIE

This paper presents a new Cu-metallization technology which consists of TiW/Cu/TiW film structure formation and the followed IR-assisted RIE. It is demonstrated that line structure Cu lines, which have low electrical resistivity and high EM resistance, are obtained without peeling. Further, MOS diodes and MOSFETs using these lines have fine characteristics and they are stable up to 700/spl deg/C annealing.
Internalisation of ISO 9000 standards: the antecedent role of functionalist and institutionalist drivers and performance implications

This study presents an investigation of the relationship between motivation for ISO 9000 certification and internalisation of practices underlying ISO 9000 standards. We use the theoretical lenses of resource-based view and institutional theory to develop our research hypotheses linking motivation with internalisation of ISO 9000 standards. These theories also provide a cogent means to understand the findings from the study. Further, the study presents the performance implications of internationalisation of ISO 9000 standards. A path model is developed that link motivation, internalisation of ISO 9000 standards and performance. Survey data from 281 ISO 9001 certified manufacturing and service organisations in Australia is used to test the research hypotheses of the study. The results suggest that internalisation of practices underlying ISO 9000 standards is affected by functionalist and institutionalist drivers. We find that internalisation of ISO 9000 standards is positively associated with operational performance, and operational performance, in turn, is positively associated with business performance. A closer examination by splitting the sample between high and low performing firms reveals that internalisation of ISO 9000 standards is associated with both functionalist and institutionalist motives in low performing firms, whereas only functionalist driver influence the internalisation of ISO 9000 standards in high performing firms. We offer theoretical and managerial implications of our findings. †Both authors contributed equally to the paper.
Underwater Acoustic Measurements on Polyvinylidene Fluoride Transducers

Methods of making piezoelectric transducers from very thin sheets of polyvinylidene fluoride (PVDF) are discussed, together with techniques for calibrating these devices, particularly for underwater operation. Parameters measured include receiving response, source level, beamwidth, characteristic impedance and variation of impedance with frequency. Consideration is also given to the dependence of receiving response on the poling fields and temperatures used in making PVDF transducers. Because of their broadband response thin sheet PVDF transducers have been shown to be ideal for monitoring the true form of acoustic pulses underwater.