bluuebunny/crossref_metadata_2025_split huggingface dataset:
Executives with customer experience and firm performance in the B2B context
Authors: Feng Cong , Sun Jiong , Fang Yiwei , Hasan Iftekhar 
Published: March 2021

PurposeThis paper aims to examine the presence of an executive with customer experience (ECE) in a supplier firm’s top management team (TMT). The role of ECE presence remains understudied in the marketing literature. This study attempts to examine the relationship between ECE presence and firm performance.Design/methodology/approachThis paper draws on the resource-based view of the firm and adopts a panel firm fixed effects estimator to test the proposed hypotheses. The empirical analysis uses a sample of 1,974 firm-year observations with 489 unique supplier firms. Selection-induced endogeneity is mitigated through the Heckman procedure.FindingsECE presence improves firm performance. Additionally, firms benefit less from ECE presence if a board member with customer experience (BCE) is also present, if a chief executive officer commands a higher pay slice (compared to other executives), and if a TMT is more functionally diversified. However, ECE presence is particularly beneficial if the overall economy is in contraction. Comparing the functional positions held by ECEs reveals that ECE in the marketing function (as a chief marketing officer) offers the largest benefit to an average supplier firm. ECE presence is also associated with other firm outcomes (e.g. bankruptcy odds, innovation and customer orientation).Research limitations/implicationsThis study makes four contributions to the literature. First, this research contributes to existing studies that investigate marketing expertise in the upper corporate pyramid. Second, the study contributes to the burgeoning body of work across business disciplines that attempt to understand the impact of CxOs on firm performance. Third, the study contributes to the vast literature on customer orientation indirectly. Finally, this paper contributes to the broader literature studying the influence of board and TMT characteristics.Practical implicationsThe findings are of particular importance to business-to-business firms. This paper shows that suppliers can benefit significantly from managers with customer experience. Four contingency factors moderate the relationship between ECE presence and firm performance. Among the various functional positions held by an ECE, the findings suggest that hiring an ECE for the marketing functional area is the most beneficial. ECE stands out as a better option for a company than BCE to improve firm performance. ECE presence is also associated with bankruptcy odds, innovation and customer orientation.Originality/valueThis paper provides the first empirical evidence regarding how ECE affects firm performance and also extends prior research on the value of human capital in TMT.
Analyzing the root of regional innovation performance in the European territory
Authors: Lopes João M. , Silveira Paulo , Farinha Luís , Oliveira Márcio , Oliveira José 
Published: March 2021

Purpose
Regional innovation performance is an important indicator for decision-making regarding the implementation of policies intended for regional development. However, regional development policies have led economies to very different competitive positions in matters of innovation. To address these issues, this paper aims to identify the variables that most contribute to the positioning of economies in terms of performance innovation in Europe.

Design/methodology/approach
The data for this study were collected at the regional innovation scoreboard. This paper uses a quantitative methodology through a multivariate statistical technique (discriminant analysis).

Findings
The results suggest that specific innovation strategies explain the competitive positioning of economies within each group of countries. It was possible to demonstrate that economies with leader classification show greater comparative robustness in the variables “Small and medium enterprise (SMEs) with product or process innovations,” “SMEs with product or process innovations,” “research and development (R&D) expenditure public sector” and “population with tertiary education,” constituting an effective instrument of innovation policy. Furthermore, it was possible to show that the economies belonging to the modest group do not have a competitive advantage in any of the variables under study, thus providing a reflection opportunity for policymakers at this level.

Originality/value
The present research identifies which variables are most relevant to the classification considering the regional innovation performance in leader, strong, moderate and modest. Several suggestions were given to companies, policymakers and higher education institutions in the sense that the regions where they operate can improve their innovative performance, which may help to a change in their current classification.
Effect of corneal incision features on anterior and posterior corneal astigmatism and higher‐order aberrations after cataract surgery
Authors: He Qin , Huang Jiani , He Xiaoying , Yu Wangshu , Yap Maurice , Han Wei 
Published: March 2021

AbstractPurposeTo evaluate the influence of 2.2 mm clear corneal incision (CCI) features in surgically induced astigmatism (SIA) and higher‐order aberrations (HOAs) after cataract surgery.MethodsRight eyes of 92 subjects receiving 2.2 mm incision cataract surgery were involved. A total of 38 eyes were categorized as the intact incision group, and 54 eyes were the defective incision group. Pre‐ and postoperative (1 month and 6 months) corneal astigmatism and HOAs on anterior and posterior corneal surfaces, corneal volume, and corneal thickness (CT) were measured using Pentacam. The CCI features including incision length (IL), incision angles, distance from incision to central cornea (Dis‐En/Ex), and CT at incision site were quantified using AS‐OCT.ResultsThe defective incision group showed shorter IL and larger incision angles [false discovery rate (FDR) – p < 0.05]. Changes in CT at incision site were more pronounced for the defective incision group (FDR – p < 0.05). Some SIA parameters were related to the certain specific CCI features, especially IL (FDR – p < 0.05). Both groups exhibited significant increased 6 mm posterior corneal tHOAs at 1 month (Bonferroni corrected – p < 0.01) and the defective incision group showed increased 6 mm posterior tHOAs at 6 months (Bonferroni corrected – p = 0.023). There were characteristic correlations between Zernike terms and CCI features including IL, CT, Dis‐En/Ex, and incision angles at 1 month, especially over 6 mm zone.ConclusionThe CCI deformities can affect corneal recovery and induce more HOAs at 1 month postoperatively. Such effects became minor, but could persist until 6 months. The IL combined with Angle‐En/Ex was important factor influencing CCI integrity and corneal optical quality.
Evaluation of the performances of a single‐use duodenoscope: Prospective multi‐center national study
Authors: Napoléon Bertrand , Gonzalez Jean‐Michel , Grandval Philippe , Lisotti Andrea , Laquière Arthur E. , Boustière Christian , Barthet Marc , Prat Frédéric , Ponchon Thierry , Donatelli Gianfranco , Vanbiervliet Geoffroy 
Published: March 2021

ObjectivesA single‐use duodenoscope (SUD) has been recently developed to overcome issues with endoscopic retrograde cholangiopancreatography (ERCP)‐related cross‐infections. The aim was to evaluate SUD safety and performance in a prospective multi‐centre study.MethodsAll consecutive patients undergoing ERCP in six French centers were prospectively enrolled. All procedures were performed with the SUD; in case of ERCP failure, operators switched to a reusable duodenoscope. Study outcomes were the successful completion of the procedure with SUD, safety and operators’ satisfaction based on a VAS 0–10 and on 22 qualitative items. The study protocol was approved by French authorities and registered (ID‐RCB: 2020‐A00346‐33). External companies collected the database and performed statistical analysis.ResultsSixty patients (34 females, median age 65.5 years old) were enrolled. Main indications were bile duct stones (41.7%) and malignant biliary obstruction (26.7%). Most ERCP were considered ASGE grade 2 (58.3%) or 3 (35.0%). Fifty‐seven (95.0%) procedures were completed using the SUD. Failures were unrelated to SUD (one duodenal stricture, one ampullary infiltration, and one tight biliary stricture) and could not be completed with reusable duodenoscopes. Median operators’ satisfaction was 9 (7–9). Qualitative assessments were considered clinically satisfactory in a median of 100% of items and comparable to a reusable duodenoscope in 97.9% of items. Three patients (5%) reported an adverse event. None was SUD‐related.ConclusionsThe use of a SUD allows ERCP to be performed with an optimal successful rate. Our data show that SUD could be used for several ERCP indications and levels of complexity.
Suez: A hollow canal in need of peopling. Currents and stoppages in the historiography, 1859–1956
Authors: Carminati Lucia 
Published: March 2021

AbstractSince its excavation took off in 1859 in Ottoman‐Egyptian territory, the Suez Canal has conveyed much more than armies or cargoes. This essay dives into the currents and stoppages in the historiography of the Suez Canal and its brand‐new cities between 1859, when the project began, and 1956, when the Egyptian government nationalized this waterway. Writings on the 19th and early 20th‐century history of the Suez Canal have followed a course of their own, quite divergent from mainstream historical scholarship on modern Egypt. The Suez Canal has funneled political aspirations ranging from the colonial to the semicolonial and the nationalist, ideas on its built environment, utopias about a cosmopolitan society, and experiences of actual social dystopias. This essay suggests that scholars need to pay attention to labor and migration in order to people the history of the Suez Canal and its surrounding region, for this waterway not to remain the hollow ditch it has been so far in most of its pre‐1956 historiography.
Cyanophora paradoxa mitochondrial tRNAs play a double game
Authors: Salinas‐Giegé Thalia , Ubrig Elodie , Drouard Laurence 
Published: March 2021

SUMMARYPresent‐day mitochondria derive from a single endosymbiosis of an α‐proteobacterium into a proto‐eukaryotic cell. Since this monophyletic event, mitochondria have evolved considerably, and unique traits have been independently acquired in the different eukaryotic kingdoms. Mitochondrial genome expression and RNA metabolism have diverged greatly. Here, Cyanophora paradoxa, a freshwater alga considered as a living fossil among photosynthetic organisms, represents an exciting model for studying the evolution of mitochondrial gene expression. As expected, fully mature tRNAs are released from primary transcripts to function in mitochondrial translation. We also show that these tRNAs take part in an mRNA processing punctuation mechanism in a non‐conventional manner, leading to mRNA–tRNA hybrids with a CCA triplet at their 3′‐extremities. In this case, tRNAs are probably used as stabilizing structures impeding the degradation of mRNA by exonucleases. From our data we propose that the present‐day tRNA‐like elements (t‐elements) found at the 3′‐terminals of mitochondrial mRNAs in land plants originate from true tRNAs like those observed in the mitochondria of this basal photosynthetic glaucophyte.
A Genetic Algorithm for Scheduling and Decomposition of Multidisciplinary Design Problems
Authors: Altus Stephen S. , Kroo Ilan M. , Gage Peter J. 
Published: March 2021

Abstract
Complex engineering studies typically involve hundreds of analysis routines and thousands of variables. The sequence of operations used to evaluate a design strongly affects the speed of each analysis cycle. This influence is particularly important when numerical optimization is used, because convergence generally requires many iterations. Moreover, it is common for disciplinary teams to work simultaneously on different aspects of a complex design. This practice requires decomposition of the analysis into subtasks, and the efficiency of the design process critically depends on the quality of the decomposition achieved. This paper describes the development of software to plan multidisciplinary design studies. A genetic algorithm is used, both to arrange analysis subroutines for efficient execution, and to decompose the task into subproblems. The new planning tool is compared with an existing heuristic method. It produces superior results when the same merit function is used, and it can readily address a wider range of planning objectives.
Flame: A Manufacturability Evaluator for Use at Different Levels of Abstraction
Authors: Peplinski Jesse D. , Koch Patrick N. , Allen Janet K. , Mistree Farrokh 
Published: March 2021

Abstract
How can design for manufacture be implemented very early on a design time-line, for example, when only the function is known? Our response is embodied in an approach to design for manufacture at the function level of abstraction based on the notion of design using available assets. In this paper we focus on the solution scheme and computer implementation of our approach to design for manufacture. Our solution scheme takes the form of a Heuristic Selection Decision Support Problem, and our computer tool is called FLAME: the Function Level of Abstraction Manufacturability Evaluator. We use this tool to identify, evaluate and select potential manufacturing alternatives for products modeled at the function level of abstraction. We illustrate some of its uses by exploring the selection of manufacturing processes and materials for a component from a design of an aircraft evacuation system, although our focus is on the method rather than on the results per se.
Parametric Vibrations in Discs: Point-Wise and Distributed Loads, Including Rotating Friction
Authors: Ouyang H. , Chan S. N. , Mottershead J. E. , Friswell M. I. , Cartmell M. P. 
Published: March 2021

Abstract
This paper is concerned with the parametric resonances in a stationary annular disc when excited by a rotating load system. Two forms of the load system are considered. In the first, the load consists of a discrete transverse mass-spring-damper system and a frictional follower load. Secondly, a distributed mass-spring system (without friction) is studied. In both cases the transverse load is rotated at a uniform speed around the disc. Equations of motion are developed for the two cases, and the results of a multiple scales analysis are presented. The disc is found to exhibit many parametric resonances at subcritical speeds when friction is present.
Recovering the Timing of Impulsive Forces From Noisy Vibration Transients
Authors: McCarthy Daniel J. , Lyon Richard H. 
Published: March 2021

Abstract
A transient vibration signal can be processed to extract information about impulsive forces within a machine, by removing the effects of dispersion and reverberation. These source waveform signatures, like the timing and strength of valve impact forces within a reciprocating air compressor, can then be used to diagnose machine faults. Stable and causal inverse filters are guaranteed through the use of minimum-phase processing. Unfortunately, the timing of the impulsive source waveform is lost in this manner. A technique to accurately recover the timing is highly desirable.
The time of occurrence of the force input can be robustly obtained from the frequency-averaged group delays of the transfer function and vibration response once the nonminimum-phase behavior of the signals, except that due to pure delay, has been removed. This is best done with the allpass components of the signals because, in addition to the nonminimum-phase inherently present in a structure due to reverberation, additional nonminimum-phase zeros can be artificially introduced by data truncation. Since only the phase is of interest, the nonminimum-phase behavior can be removed by electronically damping the signals with exponential windows, effectively de-reverberating them.
In some instances the timing of the impulsive source events that we aim to recover will change as faults develop; also, in any machine there will be some normal random variation in the timing of internal events like valve impacts. The correct timing can be determined in the presence of this inherent variability through the use of a sliding exponential window and statistical curve fitting.
The Mechanism of the Solute-Free Water Reabsorption Increase in the Rat Kidney by Oxytocin Saluresis
Authors: Natochin Yu. V. , Shakhmatova E. I. , Bogolepova A. E. 
Published: March 2021

Abstract
We found an experimental solution to the paradox when the reabsorption of solute-free water increases with a simultaneous increase in diuresis and saluresis in the rat kidney under the oxytocin action. Injection of oxytocin to rats (0.25 nmol/100 g of body weight) increases diuresis from 0.16 ± 0.03 to 0.26 ± 0.02 mL/h, the excretion of solutes from 134 ± 13.7 to 300 ± 16.3 μOsm/h, and the reabsorption of solute-free water, which correlates with the renal excretion of oxytocin (p < 0.001). The mechanism of the effect is that oxytocin decreases the reabsorption of ultrafiltrate in the proximal tubule (the clearance of lithium increases) and increases the fluid flow through the distal segment of the nephron. In vivarium rats, urine osmolality (1010 ± 137 mOsm/kg H2O) and the concentration of vasopressin are high, this causes an increase in the reabsorption of solute-free water. Thus, oxytocin increases saluresis, which, against the background of a high level of endogenous vasopressin, increases the water reabsorption in the collecting ducts.
Formation of a Unique Population of CD8+ T Lymphocytes after Adoptive Transfer of Syngeneic Splenocytes to Mice with Lymphopenia
Authors: Silaeva Yu. Yu. , Kalinina A. A. , Khromykh L. M. , Deykin A. V. , Kazansky D. B. 
Published: March 2021

Abstract
Under conditions of lymphopenia, T lymphocytes proliferate and acquire a surface activation phenotype, which in many respects is similar to the phenotype of true memory T cells. We investigated the phenotypic features of the CD8+ T-cell population formed from donor lymphocytes after adoptive transfer of syngeneic splenocytes to sublethally irradiated mice. This population expresses markers CD44, CD122, CD5, CD49d and the chemokine receptor CXCR3. Thus, for the first time, the phenomenon of the formation of a population of T cells with signs of suppressive CD8+ T lymphocytes and true memory cells was demonstrated.
Deep Neural Network Approach for Continuous ECG‐Based Automated External Defibrillator Shock Advisory System During Cardiopulmonary Resuscitation
Authors: Hajeb‐M Shirin , Cascella Alicia , Valentine Matt , Chon K. H. 
Published: March 2021

Background
Because chest compressions induce artifacts in the ECG, current automated external defibrillators instruct the user to stop cardiopulmonary resuscitation (CPR) while an automated rhythm analysis is performed. It has been shown that minimizing interruptions in CPR increases the chance of survival.

Methods and Results
The objective of this study was to apply a deep‐learning algorithm using convolutional layers, residual networks, and bidirectional long short‐term memory method to classify shockable versus nonshockable rhythms in the presence and absence of CPR artifact. Forty subjects' data from Physionet with 1131 shockable and 2741 nonshockable samples contaminated with 43 different CPR artifacts that were acquired from a commercial automated external defibrillator during asystole were used. We had separate data as train and test sets. Using our deep neural network model, the sensitivity and specificity of the shock versus no‐shock decision for the entire data set over the 4‐fold cross‐validation sets were 95.21% and 86.03%, respectively. This result was based on the training and testing of the model using ECG data in both the presence and the absence of CPR artifact. For ECG without CPR artifact, the sensitivity was 99.04% and the specificity was 95.2%. A sensitivity of 94.21% and a specificity of 86.14% were obtained for ECG with CPR artifact. In addition to 4‐fold cross‐validation sets, we also examined leave‐one‐subject‐out validation. The sensitivity and specificity for the case of leave‐one‐subject‐out validation were 92.71% and 97.6%, respectively.

Conclusions
The proposed trained model can make shock versus nonshock decision in automated external defibrillators, regardless of CPR status. The results meet the American Heart Association's sensitivity requirement (>90%).
The End of Apocalypticism: from Burton Mack’s Jesus to North American Liberalism
Authors: Crossley James 
Published: March 2021

Abstract
This article takes a different look at the work of Burton Mack on apocalypticism and the post-historical Jesus crystallisation of the Christian ‘myth of innocence’ in terms of the social history of scholarship. After a critical assessment of previous receptions of Mack’s work from the era of the ‘Jesus wars’, there is a discussion of Mack’s place in broader cross-disciplinary tendencies in the study of apocalypticism with reference to the influence of liberal and Marxist approaches generally and those of Norman Cohn and Eric Hobsbawm specifically. Mack’s approach to apocalypticism should be seen as a thoroughgoing updating of Cold War liberal constructions of apocalypticism for an era of American ‘culture wars’, from Reagan to Trump. Part of this updating has also meant that, while much of his work against the apocalyptic Christian myth of innocence has been explicitly aimed at the de-legitimising the Right, it also continues the old Cold War intellectual battles by implicitly de-legitimising anything deemed excessively Marxist.
Drought Variability over the Conterminous United States for the Past Century
Authors: Su Lu , Cao Qian , Xiao Mu , Mocko David M. , Barlage Michael , Li Dongyue , Peters-Lidard Christa D. , Lettenmaier Dennis P. 
Published: March 2021

AbstractWe examine the drought variability over the conterminous United States (CONUS) for 1915–2018 using the Noah-MP land surface model. We examine different model options on drought reconstruction, including optional representation of groundwater and dynamic vegetation phenology. Over our 104-yr reconstruction period, we identify 12 great droughts that each covered at least 36% of CONUS and lasted for at least 5 months. The great droughts tend to have smaller areas when groundwater and/or dynamic vegetation are included in the model configuration. We detect a small decreasing trend in dry area coverage over CONUS in all configurations. We identify 45 major droughts in the baseline (with a dry area coverage greater than 23.6% of CONUS) that are, on average, somewhat less severe than great droughts. We find that representation of groundwater tends to increase drought duration for both great and major droughts, primarily by leading to earlier drought onset (some due to short-lived recovery from a previous drought) or later demise (groundwater anomalies lag precipitation anomalies). In contrast, representation of dynamic vegetation tends to shorten major droughts duration, primarily due to earlier drought demise (closed stoma or dead vegetation reduces ET loss during droughts). On a regional basis, the U.S. Southwest (Southeast) has the longest (shortest) major drought durations. Consistent with earlier work, dry area coverage in all subregions except the Southwest has decreased. The effects of groundwater and dynamic vegetation vary regionally due to differences in groundwater depths (hence connectivity with the surface) and vegetation types.