5,159 research outputs found
Stock Market Analysis in Fashion Marketing Class
Stock markets are at the center of today’s economy (Hafer & Hein, 2007). Despite the positive relationship between stock returns and marketing activities such as product innovations (Srinivasan et al. 2009), the discipline of fashion marketing has not been aggressively devoted to teach financial and stock trading systems in classroom. The purpose of the study is to enhance student motivation and learning in fashion financial markets
Envisioning Career Opportunities in the Fashion Business World
Unlike liberal art majors, seventy-five percent of students majoring in career-oriented fields expect to go to work directly after getting their bachelor\u27s degree (Koc, 2010). Fashion business and management programs emphasize students\u27 preparation for fashion careers and foster students to pursue their fashion business careers upon graduation in the business world. However, there has been little understanding of the specific job-related knowledge, competencies, and skills required for entry-level fashion business professionals in the filed clothing and textile. The purpose of this research is examine the nature of fashion business positions pertaining to buying and merchandising in terms of required qualifications, job-related knowledge, competencies, and skills. The results of this research provide educators in the fashion business and management programs with practical suggestions to facilitate a more industry-aligned curricular development
Model-Free Reconstruction of Capacity Degradation Trajectory of Lithium-Ion Batteries Using Early Cycle Data
Early degradation prediction of lithium-ion batteries is crucial for ensuring
safety and preventing unexpected failure in manufacturing and diagnostic
processes. Long-term capacity trajectory predictions can fail due to cumulative
errors and noise. To address this issue, this study proposes a data-centric
method that uses early single-cycle data to predict the capacity degradation
trajectory of lithium-ion cells. The method involves predicting a few knots at
specific retention levels using a deep learning-based model and interpolating
them to reconstruct the trajectory. Two approaches are used to identify the
retention levels of two to four knots: uniformly dividing the retention up to
the end of life and finding optimal locations using Bayesian optimization. The
proposed model is validated with experimental data from 169 cells using
five-fold cross-validation. The results show that mean absolute percentage
errors in trajectory prediction are less than 1.60% for all cases of knots. By
predicting only the cycle numbers of at least two knots based on early
single-cycle charge and discharge data, the model can directly estimate the
overall capacity degradation trajectory. Further experiments suggest using
three-cycle input data to achieve robust and efficient predictions, even in the
presence of noise. The method is then applied to predict various shapes of
capacity degradation patterns using additional experimental data from 82 cells.
The study demonstrates that collecting only the cycle information of a few
knots during model training and a few early cycle data points for predictions
is sufficient for predicting capacity degradation. This can help establish
appropriate warranties or replacement cycles in battery manufacturing and
diagnosis processes
Fetal Cardiac Anomalies;A Fetal Echocardiographic Study
Sewn years' experience of fetal echocardiography was reviewed to assess
the diagnostic accuracy of fetal echocardiography, distribution of individual cardiac
anomalies, and some practical problems of fetal echocardiography in Korea.
A total of 737 fetuses IMlre examined and 45 confirmed and 20 unconfirmed cardiac
structural anomalies IMlre identified. In general, fetal echocardiography was accurate in
assessing fetal cardiac anomalies. However there were three false positive and four false
negatiw diagnosis. In addition, diagnosis was changed slightly in 10 cases. Common errors
occurred in the diagnosis of atrial isomerism, anomalous pulmonary venous
drainage, complex atrioventricular junctional anomaly, wntricular septal defect, and
coarctation of aorta. Some minor errors in diagnosis seemed unavoidable but this rarely
had an important effect on prognosis. The common cardiac anomalies were ventrtcular
septal defect, tetralogy of Fallot, and hypoplastic left heart syndrome.
Fetal echocardiography in Korea is at an early stage and does haw many problems.
Some of the problems are 1) insufficient number of doctors capable of doing fetal echocardiography,
2) few cardiac pathologists. 3) people's attitude toward congenital
anomalies, 4) high rate of termination of pregnacy when fetal anomaly is found, and 5)
doctors' lack of interest in confirming anomalies in stilbom fetuses or terminated products
of pregnancy. Continuing education to the society and medical personnel seems urgent
to soloe some of these problems
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The Use of the Polish Folk Music Elements and the Fantasy Elements in the Polish Fantasy on Original Themes in G-sharp Minor for Piano and Orchestra, Opus 19 by Ignacy Jan Paderewski
The primary purpose of this study is to address performance issues in the Polish Fantasy, Op. 19, by examining characteristics of Polish folk dances and how they are incorporated in this unique work by Paderewski. The study includes a comprehensive history of the fantasy in order to understand how Paderewski used various codified generic aspects of the solo piano fantasy, as well as those of the one-movement concerto introduced by nineteenth-century composers such as Weber and Liszt. Given that the Polish Fantasy, Op. 19, as well as most of Paderewski's compositions, have been performed more frequently in the last twenty years, an analysis of the combination of the three characteristic aspects of the Polish Fantasy, Op.19 - Polish folk music, the generic rhetoric of a fantasy and the one-movement concerto - would aid scholars and performers alike in better understanding the composition's engagement with various traditions and how best to make decisions about those traditions when approaching the work in a concert setting. Chapter 1 provides biographical and factographical information about Paderewski as a composer, pianist, and statesman. Chapter 2 examines characteristics of Polish folk music with regard to melody, rhythm and tempo. Musical examples of the Polish folk songs from the book Lud by Oskar Kolberg, and the characteristics of Mazur, Kujawiak, Oberek and the Krakowiak, all of which are used in the Polish Fantasy, are examined. Aforementioned examples are paralleled by those selected from Chopin's Mazurkas, as well as selected sections from Paderewski's Polish Fantasy, and other pieces by Paderewski containing Polish folk music elements. Chapter 3 is divided into two sections. The first, the history of fantasy, presents various stylistic and formal aspects of the fantasies of the eighteenth century and nineteenth centuries. The second section offers an analysis of the Polish Fantasy in light of this history, and considers how Paderewski combined fantasy elements used by composers of earlier times with his own compositional technique style. Chapter 4 discusses performance issues including pedaling, tempo rubato, and composer's own fingering. Chapter 5 provides a summary and conclusion of the study
성장기 동안의 설탕용액 섭취가 마우스 공격성에 미치는 영향 및 관련 기전 연구
학위논문 (석사)-- 서울대학교 대학원 : 식품영양학과, 2016. 8. 신동미.Aggressive behavior has been traditionally defined as an overt behavior with the intention of inflicting physical damage on other individual. Alt-hough aggression has advantages in competitive situations for obtaining food or defending territories and mates from competitors in wild animal, it has been considered as one of the major social problems in the human society. Among extrinsic factors which are considered to affect aggres-sive behaviors, the association between specific food component in the diet such as sugar and aggressive behaviors has been suggested. Sugars are found in diet either as a natural component of the food or as an add-ed sugar of foods and beverages. Although added sugar enhances food desirability by sweetening foods and beverages, it provides only empty calories with no nutrient value. Although overconsumption of sugar-sweetened beverages (SSBs) is widely known to be a key contributor to epidemic of overweight and obesity, its effects on behavioral changes have not been fully studied yet. In present study, we examined the long-term effects of SSB on social aggression in mice. 3 week old weaned mice started to drink either 30 w/v% of sucrose solution (S30), plain wa-ter (CT), or aspartame solution with equivalent sweetness of the sucrose solution (A30) until they grew to 11 week old adult. Resident-intruder test revealed the total duration spent on any of six different aggressive behav-iors- biting, sexual mounting, clinch, lateral threat and upright was signif-icantly longer in S30 than any other groups. The transcriptome analysis of brain tissues presented the gene expression profiles of S30 were readi-ly distinguished from those of CT or A30 in principal component analysis (PCA). Differentially expressed genes in S30 compared to CT or A30 were categorized on their biological functions and top 6 significant cate-gories were all related to immunological disorders. Bioinformatic analysis of upstream regulator molecules that control target gene expressions iden-tified Tlr4, Stat4, Chuk and Il1b that lead to inflammatory responses in mice of S30. Heightened levels of corticosterone, an analogue of cortisol for rodents, was observed in S30 and the dramatic increase in the number of CD11b+Gr-1+ cells was observed in the same group by FACS analysis. Furthermore, corticosterone resistance was found in mice of S30. Inter-estingly, the artificial sweetener failed to mimic the roles of sugar in ele-vating corticosterone and promoting social aggression. Taken together, these results demonstrate long-term SSB consumption promotes aggres-sive behaviors, and also inflammatory response in brain and corti-costerone resistance mediate the roles played by sugar in promoting so-cial aggression. Our studies provide information useful for development of intervening strategies to control social aggression for public health.I. Introduction 9
II. Materials and Methods 13
1. Experimental animals 13
2. Behavioral assessment 14
3. Serum biochemical analysis 15
4. RNA isolation 15
5. Microarray hybridization 15
6. Bioinformatic analysis of microarray data 16
7. FACS (Fluorescence activated cell sorter) analysis 17
8. Quantitative Real-Time PCR 18
9. Statistical analysis 19
III. Results 20
1. Mice provided with sucrose solution for long-term period displayed distinct patterns of drink and diet consumption 20
2. Consumption of sucrose solution reduced body weight gain without inhibiting growth curve 24
3. Long-term consumption of sucrose solution had influence on aggression-related hormones 26
4. Increased social aggression was induced by long-term consumption of sucrose solution 28
5. Transcriptome analysis revealed consumption of sucrose solution induced inflammatory response in brain 30
6. The consumption of sucrose solution resulted in increased CD11b+Gr-1+ cells in peripheral blood with development of glucocorticoid resistance 39
IV. Discussion 45
Ⅴ. References 51
국문 초록 55Maste
The Bishop-Phelps-Bollobás properties in complex Hilbert space
In this paper, we consider theBishop–Phelps–Bollobás point propertyfor variousclasses of operators on complex Hilbert spaces, which is a stronger property thanthe Bishop–Phelps–Bollobás property. We also deal with analogous problem byreplacing the norm of an operator with its numerical radius
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