Miracle-dz/UniFAR-FTUs huggingface dataset:
Ethnographies in the Front End: Designing for Enhanced Customer Experiences*

Ethnographic research, carefully planned and implemented, is an effective method for providing user-centered perspectives early in the product innovation cycle. This article contributes operational perspectives on ethnographic inquiry in general and, in particular, on its effective integration in the front end of the product development process. It also explores issues of cost–benefit analysis in deciding when and how extensively to employ this mode of inquiry in the product innovation context. Based on a review of ethnographic approaches, in-depth case descriptions of two projects of this type and a review of twelve other projects, this article addresses three questions: (1) What key process steps and alternative approaches lead to insightful identification of relevant customer experiences? (2) What critical dimensions of customer experience offer hidden opportunities for innovative product design? (3) How are ethnographic studies planned, executed, and leveraged in the front end of the product development process when defining new product concepts? An analysis of these projects and related literature suggests particular kinds of product insights expected to be achieved from ethnographic inquiry, along with lessons for planning, conducting, and leveraging ethnographies. A successful ethnography may call attention to design opportunities not obvious at the outset but arising instead through appreciation of unconscious concerns or desires of the consumer. Accepting the notion of initial ambiguity helps ensure that such studies incorporate a broad coverage of potential kinds of issues and provide time and opportunities for serendipitous learning. Successful planning for ethnographies calls for an open mind coupled with explicit procedures for screening for diversity in respondents, gaining access to the desired range of respondents, and selecting a suitable ethnography team. Ethnographies use multiple observation and inquiry techniques in the field, often in combination with other techniques traditionally used in marketing research. They require teamwork, capturing relevant visual accounts, flexible probing for insights when surprises arise, and skill in modifying the ethnographic guide as needed during the study. The findings from ethnographies in the front end may be leveraged through traditional market research, innovation workshops, and formal product concept development.
The Emergence of Interpretivism in IS Research

This paper investigates aspects of the history and current state of interpretivism in IS research. The emergence of interpretivism is explored through the identification of a network of IS researchers working in the interpretive tradition, through an examination of the role of mainstream and alternative IS journals, and through an analysis of the rhetoric used to support interpretive claims. The paper contributes to analysis of the development of the IS field as a whole, and provides some conceptual ideas and a reference point for further work in this relatively neglected area of research.
A comparison between stereological estimates of mean nuclear volume and DNA flow cytometry in bladder tumours

The correlation between stereological estimate of mean nuclear volume and DNA‐content was studied in 55 human urinary bladder tumours. The DNA‐content was determined by flow cytometry on isolated nuclei stained with ethidium bromide. Trout erythrocytes were used as a biological internal standard providing an accurate determination of the DNA‐histogram. An unbiased estimate of the mean nuclear volume (V̄v) was obtained after standard formaline fixation, paraffin‐embedding, sectioning and hematoxylin‐eosin staining using the equation . Here I0 is the length of an intercept measured in a random direction through a test point, which hit a nucleus. A highly significant correlation was found between V̄v and mean DNA‐content of nuclei (2p = 0.0004). A highly significant correlation was also found between V̄v and the highest DNA‐content present in tumours having cell populations with different DNA content (2p = 0.0016). The mean nuclear volume and the DNA‐content also correlated well with the pathologic grade. Although significant the correlations were far from perfect, which indicates that DNA content and mean nuclear volume may provide partly independent biological information. The methods provide objective, unbiased and reproducible data which may improve the possibility of grading and predicting the disease course of human urinary bladder tumours.
A Nonlinear Voltage Regulator With One Tunable Parameter for Multimachine Power Systems

This paper proposes a nonlinear voltage regulator with one tunable parameter for multimachine power systems. Based on output feedback linearization, this regulator can achieve simultaneous voltage regulation and small-signal performance objectives. Conventionally output feedback linearization has been used for voltage regulator design by taking infinite bus voltage as reference. Unfortunately, this controller has poor small-signal performance and cannot be applied to multimachine systems without the estimation of the equivalent external reactance seen from the generator. This paper proposes a voltage regulator design by redefining the rotor angle at each generator with respect to the secondary voltage of the step-up transformer as reference instead of a common synchronously rotating reference frame. Using synchronizing and damping torques analysis, we show that the proposed voltage regulator achieves simultaneous voltage regulation and damping performance over a range of system and operating conditions by controlling the relative angle between the generator internal voltage angle δ and the secondary voltage of the step up transformer. The performance of the proposed voltage regulator is evaluated on a single machine infinite bus system and two widely used multimachine test systems.
A LTE RX front-end with digitally programmable multi-band blocker cancellation in 28nm CMOS

This paper presents a LTE receiver front-end with a feedback digital filter in the baseband to perform multiband blocker cancellation. The programmable filter provides 34.9dB attenuation of TX leakage and variable attenuation of an additional blocker anywhere in the frequency range 17.5MHz-107.5MHz. The receiver front-end operates at 1.8GHz with a noise figure of 3.9dB, IIP3 of −5dBm, and consumes only 20.4–37.5mW, the lowest among state-of-the-art designs.
Understanding the Non-adoption of EDI in the Modern Moroccan Food Retailing Industry

Since its introduction in the early 1990s, the food retailing industry in Morocco has adopted management methods and practices that have proven successful in other contexts and has experienced rapid growth. Even though large retailers are conscious of the importance of information and communication technologies (ICTs) concerning electronic data interchange (EDI) for a dynamic and efficient flow of products, digital orders are still either nonexistent or remain, at best, in the embryonic stage. The object of this article, which is exploratory at this stage, is to understand why large food retailers, 20 years after their appearance, haven’t managed to digitalize data exchange with the major industries in Morocco. To assess this situation, this research looks at an ensemble of factors that hinder the adoption and development of logistic information systems in the specific context of Morocco. The methodology, which is qualitative, is based on semi-directive interviews carried out with a panel of industrial and distributing entities. The results show that the absence of EDI logistics information systems can be explained by three main reasons: the limited importance of large retail in Morocco, the hesitation of major industrialists to communicate information about their activities, and the specificity of communication in the Moroccan sociocultural context.
A Tip-Tilt-Piston Micromirror With Symmetrical Lateral-Shift-Free Piezoelectric Actuators

In this paper, we present the design, fabrication, and characterization of a high-fill-factor tip-tilt-piston micromirror actuated by four symmetrical lateral-shift-free (LSF) piezoelectric actuators. Lead zirconate titanate (PZT) is the piezoelectric material deposited using a sol-gel process. The micromirror can operate in both piston and rotation modes. At the piston mode, the measured resonant frequency is 990 Hz. An 18.3-μm piston displacement is obtained by applying 5 Vdc to four symmetrical LSF (SLSF) actuators. For the rotation mode, the measured resonant frequency is 1650 Hz and an optical deflection angle of 4.2° is measured by applying 5 Vdc to one SLSF actuator. A 2-D resonant scanning pattern is achieved when the PZT micromirror is applied with a 3 Vpp sinusoidal voltage at the resonance frequency.
Antecedents of brand love in online network-based communities. A social identity perspective

Purpose – This paper aims to analyse the antecedents of brand love in online network-based communities and to develop an integrative conceptual model in which social-interactive engagement influences brand love via the mediating effects of social identity. Design/methodology/approach – A survey was conducted on the Facebook fan pages of 20 leading international brands. A total of 387 responses were collected from consumers living primarily in Europe and the USA. Structural equation modelling was performed to test the hypothesised linkages. Findings – The results confirmed that the positive influence of social-interactive engagement on brand love is mediated by the psychological effects related to how members perceive their self-concept based on belonging to the social group of the brand fan page. Research limitations/implications – This study considered Facebook, the favourite social network used by customers to connect with brands. Future research is invited to consider other social media to increase the.
[Eight weeks of combined high intensity intermittent exercise normalized altered metabolic parameters in women].

BACKGROUND Short term physical training programs may improve insulin resistance and hyperglycemia. AIM To assess the effects of eight weeks of combined exercise program on serum lipids and glycemic level in women with hyperglycemia and hypercholesterolemia. PATIENTS AND METHODS Ten healthy women, nine women with hyperglycemia, ten with hypercholesterolemia and nine with hyperglycemia/hypercholesterolemia were studied. Participants were subjected to eight weeks into a program of combined physical exercise (high intensity interval + resistance training). RESULTS Fasting glycemia decreased by 12 and 14% in hyperglycemic and hyperglycemic/hypercholesterolemic participants, respectively. Serum insulin decreased in all groups in a range from 27 to 37%. HOMA IR for insulin resistance decreased similarly. A significant decrease in TC and TG was observed only in those altered baseline subjects. CONCLUSIONS Eight weeks of combined physical exercise had a favorable effect on insulin resistance in this group of women.
International Accounting in a Trilateral MBA Program

This paper describes the rationale used in the development, delivery, and subsequent evaluation of an international accounting course required of students in an MBA program. The primary purpose of the course was to provide students in a collaborative arrangement among three universities with an exposure to emerging international accounting and reporting issues, as well as an opportunity to enhance the decision-making skills necessary to be successful in a global business environment. Included in the paper is a discussion of the issues encountered when incorporating the course into the curriculum, an explanation of how the course was tailored to fit with the program’s objectives, and a critique of the course from both the students’ and instructor’s perspective. Suggestions for design changes aimed at improving the course structure and content can provide valuable insight to both accounting educators and MBA program administrators as they consider the creation and subsequent implementation of an international accounting course.
Recent advances in biological nitrogen fixation.

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The role of feedback and dot presentation format in younger and older adults’ number estimation

ABSTRACT Numerosity estimation, the rapid assessment of the number of items in a visual scene, is historically inaccurate. We assessed whether providing feedback regarding the correct numerosity on either 0%, 50%, or 100% of the trials would affect younger and older adults’ estimation accuracy for randomized, clustered (i.e., groups of 3 or 7 dots), and stacked (i.e., column) dot formats. Participants provided estimates and confidence ratings in six blocks, each containing 48 trials (16 numerosities shown in each format). Feedback frequency was manipulated between participants during blocks 1–4; no feedback was provided during blocks 5 and 6, which contained old and new numerosities and previously estimated presentations rotated 90°. Estimation accuracy was age equivalent across blocks despite younger adults initially being more accurate than older adults. Feedback improved both age groups’ accuracy. Stacked presentations were most accurately estimated but were more likely to be over-estimated than clustered and randomized presentations. Older adults gave lower confidence ratings than younger adults despite both age groups showing increased confidence across blocks, for more structured presentation formats, and as feedback frequency increased. These results expand our understanding of the role of presentation format and feedback in producing age equivalence or age-related differences in numerosity estimation.
Probe into Statistical Index System of Safety Investment

Statistical index system of safety investment plays an important role in production safety. Prior to the establishment of the system, the safety investment is re-defined first. According to different functions of the safety investment, it is further categorized into several categories, i.e. safety engineering investment, labor protection and occupational health investment, emergency rescue investment, safety education and training investment, routine safety management investment, insurance investment and accident investment. According to different categories of safety investment, the structure of the statistical index system of safety investment is re-designed, and each index corresponds to its own content. The new system is composed of 7 categories and all together 34 indexes. Each index is well defined, and its metrological unit and calculation method are also provided.
AN ANALYSIS OF THE USE OF COLLOCATION BY INTERMEDIATE EFL COLLEGE STUDENTS IN TAIWAN

It may seem easy for advanced learners to use collocation properly. This is not the case for students who are at the intermediate level. At this learning stage, students struggle to use words correctly. This study looks at students‟ usage of collocation qualitatively and quantitatively, hoping to give suggestions to teachers to help students work on certain errors. 98 writing samples under two topics written by 49 students were collected. Error analysis is adopted in this work to provide a measure of students‟ learning.
The Transferability of Strategic Management Best Practice Between Private and Public Sector Organisations

The United Kingdom's publicly funded National Health Service (NHS) is entering a period of transition due to a growth in private healthcare providers. In response, the NHS must become more competitive; identifying competitive advantage, best practice and adopting formal management methods. The research objectives herein aimed to investigate whether strategic management tools developed for the private sector can be used successfully within a public healthcare system and whether the NHS in turn has developed best practices that would contribute to private sector strategic management. The research findings prove successful use of formal management tools exists within the NHS, although these are repackaged to support integration within organisation. The findings add to the field of organisational strategy by identifying a framework of transferable best practices developed within the public healthcare sector. These include techniques to ensure flexible and responsive strategic architecture, supporting the achievement of day-to-day and long-term strategic goals
Differential action of bradykinin on intrarenal regional perfusion in the rat: waning effect in the cortex and major impact in the medulla

The renal kallikrein–kinin system is involved in the control of the intrarenal circulation and arterial pressure but bradykinin (Bk) effects on perfusion of individual kidney zones have not been examined in detail. Effects of Bk infused into renal artery, renal cortex or medulla on perfusion of whole kidney (RBF, renal artery probe) and of the cortex, outer‐ and inner medulla (CBF, OMBF, IMBF: laser‐Doppler fluxes), were examined in anaesthetized rats. Renal artery infusion of Bk, 0.3–0.6 mg kg−1 h−1, induced no sustained increase in RBF or CBF. OMBF and IMBF increased initially 6 or 16%, respectively; only the IMBF increase (+10%) was sustained. Pre‐treatment with l‐NAME, 2.4 mg kg−1i.v. , prevented the sustained but not initial transient elevation of medullary perfusion. Intracortical Bk infusion, 0.75–1.5 mg kg−1 h−1, did not alter RBF or CBF but caused a sustained 33% increase in IMBF. Intramedullary Bk, 0.3 mg kg−1 h−1, did not alter RBF or CBF but caused sustained increases in OMBF (+10%) and IMBF (+23%). These responses were not altered by pre‐treatment with 1‐aminobenzotriazole, 10 mg kg−1i.v. , a cytochrome P‐450 (CYP450) inhibitor, but were prevented or significantly attenuated by l‐NAME or intramedullary clotrimazole, 3.9 mg kg−1 h−1, an inhibitor of CYP450 epoxygenase and of calcium‐dependent K+ channels (KCa). Thus, cortical vasodilatation induced by Bk is only transient so that the agent is unlikely to control perfusion of the cortex. Bk selectively increases perfusion of the medulla, especially of its inner layer, via activation of the NO system and of KCa channels.
Purification, Characterization, Gene Cloning and Sequence Analysis of a Phytase from Klebsiella pneumoniae subsp. pneumoniae XY-5

A phytase produced by the soil bacterium Klebsiella pneumoniae subsp. pneumoniae strain XY-5 was isolated and purified. The enzyme was a single chain protein with a molecular mass of 41.7 kDa, as determined by SDS-PAGE. The isoelectric point (pI) of the native enzyme was found to be 8.7. It exhibited two pH optima (3.7 and 5.5) when assayed both at 37°C (297 units/ mg protein) and 55°C (318 units/ mg protein) and it was found to be stable up to 60°C for 4.0 hours. The enzyme was found to have broad substrate specificity. It was activated by EDTA, Al 3+ and Co 2+ , but was strongly inhibited by Hg 2+ . The putative gene encoding the phytase was cloned by PCR, and DNA sequencing revealed an ORF of 1269 nucleotides downstream from a potential ribosome-binding site. The deduced amino acid sequence of the mature protein comprised 394 aa with a calculated molecular mass of 43.4 kDa and a signal peptide consisting of 28 aa. The mature enzyme contained the conserved active site RHGXRXP and an HD motif that placed it in the histidine acid phosphatase (HAPs) family. Expression of the cloned gene in an E. coli yielded active phytase. Due to its relatively high specific activity, broad substrate specificity, good pH profile and temperature stability, the enzyme could be a good candidate for industrial applications.
Multimedia File Signature Analysis for Smartphone Forensics

With the emergence of smartphones and the widespread use of social media services, distribution of multimedia files over the Internet, and using mobile phones, has increased exponentially over the past few years. A significant number of cybercrimes pertain to illicit possession, modification, and distribution of multimedia files. The use of smartphones for this purpose makes these mobile phones rich sources of evidence. Therefore, it is crucial for forensic examiners to have the capability of recovering, analyzing, and authenticating the source of multimedia contents stored on these devices. This paper focuses on the analysis of multimedia files created on the most popular smartphones in order to ascertain the source and examine whether the files are original or edited through these devices. The popular smartphones brands analyzed in this paper include iPhone 5, iPhone 6, Blackberry Z10, Samsung Galaxy Note 3, Nokia Lumia 930, and Lenovo A536. Experimental results on all these brands are also presented.
INPUT-OUTPUT STRUCTURE OF TURKISH AGRICULTURE

TEKIN, Arif Behic and Hakki Unal EVCIM, 2011. Input-output structure of Turkish agriculture. Bulg. J. Agric. Sci., 17: 258-268 Product-by-product Input-Output structure models are well suited for specific analytical purposes, such as productivity, cost structure comparison, etc. These models show analytically the economic structure and the relations of sectors with each other in a national economy. In this study, input-output relations between agricultural and other sectors of national economy, amounted to 59, are analyzed on the data published by TurkStat (Turkish Statistical Institute), in order to determine cost (input) structure of the production and, backward forward dependency of the sector. According to the 2002 results, agricultural activities produced the largest supply, besides second largest Gross Added Value among 59 sectors in the national economy. Agriculture was fourth biggest input user of the economy for this production on the contrary. However, 44% of the direct input requirement is provided by the sector itself and 56% of the direct inputs were bought from outer suppliers only. Mechanization Tools & Services have the biggest, 13% share, in supplying industries. This means that mechanization related products and services are the most important issues in cost composition of the agricultural production. It follows by Fertilizer & Chemicals, Trade & Finance, Transport, Electricity & Waterworks and others with 10, 7, 5, 2 and 13% shares sequentially. The shares of the outer sectors are decreased for the total inputs comparing with the direct inputs. Additionally, the total inputs required from energy related sectors have gain more importance than as the direct inputs is considered only. Agriculture has a fewer “Backward Dependency Coefficient” compared to other sectors; it is supported by mostly itself. The rank was 46 among 59 sectors. On the other hand, agriculture has a one of the highest “Forward Dependency Coefficient” compared to other sectors; it transfer most of its products to other sectors.
Antitumor Compounds from Marine Actinomycetes

Chemotherapy is one of the main treatments used to combat cancer. A great number of antitumor compounds are natural products or their derivatives, mainly produced by microorganisms. In particular, actinomycetes are the producers of a large number of natural products with different biological activities, including antitumor properties. These antitumor compounds belong to several structural classes such as anthracyclines, enediynes, indolocarbazoles, isoprenoides, macrolides, non-ribosomal peptides and others, and they exert antitumor activity by inducing apoptosis through DNA cleavage mediated by topoisomerase I or II inhibition, mitochondria permeabilization, inhibition of key enzymes involved in signal transduction like proteases, or cellular metabolism and in some cases by inhibiting tumor-induced angiogenesis. Marine organisms have attracted special attention in the last years for their ability to produce interesting pharmacological lead compounds.