Ah Lam Lee;Xin Cui;Hayoung Jung;Hee Eun Kim;Eun Jin Jeon;Hyungjin Na;Eunmi Kim;Heecheon You
Safety and Health at Work
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v.15
no.1
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pp.42-52
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2024
Background: The lack of headforms that accurately reflect the head characteristics of Koreans and the demographic composition of the Korean population can lead to inadequate FFR testing and reduced effectiveness of FFRs. Method: Direct measurements of 5,110 individuals and 3D measurements of 2,044 individuals, aged between 9 and 69 years, were sampled from the data pool of Size Korea surveys based on the age and gender ratios of the Korean resident demographics. Seven head dimensions were selected based on the ISO 16976-2, availability of Size Korea measurements, and their relevance to the fit performance of FFRs. A principal component analysis (PCA) was performed using the direct measurements to extract the main factors explaining the head characteristics and then the main factors were standardized and remapped to 3D measurements, creating five size categories representing Korean head shapes. Lastly, representative 3D headforms were constructed by averaging five head shapes for each size category. Results: The study identified two main factors explaining Korean head characteristics by the PCA procedure specified in ISO 16976-2 and developed five representative headforms reflecting the anthropometric features of Korean heads: medium, small, large, short & wide, and long & narrow. Conclusion: This study developed representative headforms tailored to the Korean population for conducting total inward leakage (TIL) tests on filtering facepiece respirators (FFRs). The representative headforms can be used for TIL testing by employing robotic headforms to enhance the performance of FFRs for the Korean target population.
The paper aims to prove symmetries of the left and right edges of a morphological unit through the analysis of English blends. Blends are the words derived from two existing words by snipping the middle parts out and putting the rest together, such as smog (
Fashion illustration as conversational pattern which is made up of human and daily story creates brand image and new cultural value in textile design. The purpose of this study is to analyze an expressive characteristics focused on human body in conversational pattern illustration. The method of this study was to analyze documentaries, fashion magazines and internet fashion web site. The results were as follows: The category of body expression was classified as the head, the bust, the whole body, and the others. Most of all, the head is higher frequency than any other part. The category of body type was classified as iconic reappearance and surreal fantasy. The former expressed gender images of woman and man in reality and showed high frequency of 90.41%. Above all, two types were to show the organic correlation between fashion illustration body and brand concept. The construction method of motif was classified as singleness of body, repetition of body, singleness of body and non-body mixed, and repetition of body and non-body mixed. The repetition of body showed low frequency and it was composed of regular repetition construction and irregular construction. The singleness of body and non-body mixed, showed the highest frequency and it was definitely to communicate fashion concept. In these days, conversational pattern illustration in modern fashion pattern strengthens brand identity and informs the fashion image as creative commercial art. And also, it satisfies cultural sensibility of consumer and categorizes public phenomenons in our times.
Korean Journal of Otorhinolaryngology-Head and Neck Surgery
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v.61
no.12
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pp.650-657
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2018
Background and Objectives The present study aimed to compare receptive and expressive language development in children who have undergone simultaneous bilateral cochlear implantation (SCI) and those who have undergone bimodal stimulation (unilateral CI+ hearing aid). Subjects and Method In a retrospective analysis of clinical data, 15 pediatric patients who have received SCI and nine patients who have received bimodal stimulation (BM group) were enrolled. CI was performed for all patients at 24 months of age. Category of Auditory Performance (CAP) scores, Infant-Toddler Meaningful Auditory Integration Scale (IT-MAIS) scores, and developmental quotients (DQ) for expressive and receptive language were compared between the groups at 12 month of follow-up. The Percentage of Consonants Correct (PCC) of children evaluated at 4 years old was also compared. Results At 12 months of follow-up, significantly greater improvements in CAP scores (${\Delta}4.25{\pm}0.5$) were noted in the SCI group compared to the BM group (${\Delta}3.56{\pm}0.88$, p=0.041). Significantly greater improvements in IT-MAIS scores were also noted in the SCI group (${\Delta}36.17{\pm}4.09$) than in the BM group (${\Delta}30.17{\pm}2.91$, p=0.004). The DQ of receptive language was higher in the SCI group than in the BM group ($87.6{\pm}15.4%$ vs. $75.5{\pm}12.0%$, p=0.023) at 12 months of follow-up. Moreover, early SCI was associated with better receptive language skills. PCC index of children at 4 years old was higher in the SCI group than in the BM group ($88.5{\pm}13.2%$ vs. $62{\pm}15.8%$, p=0.014). Earlier SCI was associated with even greater improvements. Conclusion Bilateral SCI is associated with significant improvements in language development when compared with bimodal stimulation. Earlier SCI was associated with better outcomes.
Park, K.H.;Choi, D.Y.;Cho, S.B.;Yang, S.H.;Hwang, O.H.
Journal of Animal Environmental Science
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v.17
no.sup
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pp.1-6
/
2011
Korean Government announced 'The Roadmap to realize a low carbon green society on year 2020' on July 12, 2011 in order to mitigate greenhouse gas (GHG) emissions. Non-energy category of Food, Agriculture, Forestry and Fishery (FAFF) should mitigate 1,349 kilo $CO_2$-equivalent ($CO_2$-eq.) tonnes which is 7.1% of Business-As-Usual on year 2020. The mitigation from animal manure treatment system (AMTS) comprises ca. 45% of the total mitigated amount of Non-energy category of FAFF. Hence, the precise evaluation of GHG emissions from AMTS is important to find effective mitigation measures. Life cycle assessment was used to evaluate GHG emissions from AMTS. The most GHG emitter was a composting/liquid fertilizer/activated sludge system (1,649.45 kg $CO_2$-eq./head/year) and the least GHG emitter was a activated liquid fertilizer system (1,024.46 kg $CO_2$-eq./head/year). Thermophilic oxic process showed the highest ratio (34.9%) of GHG emissions by the use of electricity to total GHG emissions from systems. Energy efficiency should be considered to mitigate GHG emissions from AMTS.
Cinema costume can stimulate the public to synchronize with and replicate what they see in the movies. Especially when the public thinks the stars in the movies . Especially when the public thinks the stars in the movies are beautiful or dramatic the styles of cinema costumes powerfully affect them. Thus cinema costume designers quickey become fashion designers. Edith Head who strongly believed cinema costumes to be an effective means of portraying the Character's personality and psychological make-up was an innovative designer whose costumes manifested this belief. She enhanced the character's individual image and distinction for the public through her artistic design in costumes. She adapted a realistic approach but her costumes invariably produced aesthetic ef-fects. Since the Academy Awards added the category of costume design she led the field with 35 nominations and eight oscars during 33 years of her productive work. Edith head was a dominant figure in costume design; her creations were highly renowned as an art form while they gained popularity. The purpose of this study was to reveal the ef-fects of Edith Head's cinema costume designs on fashion. This study was also to emphasize the powerful influence on ashion of cinema costume and cinema costume designers in general. The study was done through literature movies for which she created costumes fashion magazines and Edith Head's original sketches. The influence of Edith Head's costume de-sign on fashion is as follows: 1. She introduced and lead the casual fashion in the 1950's combining simplicity and sophistication. 2. She altered uniforms and reconstructed public clothing for multiple functions. 3. She rearranged high school prom dresses through the movie 'A Place in the Sun" to en-hance characteristic of each gender and the Dandy Look of the 1930's into men's apparel in the 1970's through the movie "The Sting" 4. She expanded the traditional style in the 1940's and became a leader in ecological style. 5. She adapted glitter from astronaut's ap-parel into public clothing. 6. She resturctured Sabrina Pants in the 1960's to accentuate the individuals strength by overcoming one's weakness without minimi-zing it's aesthetic appeal and reintroduced the pants in the 1990's. 7. She introduced elegant negligees to gen-eral public and maintained it in the public do-main. As it is revealed Edith Head's costume de-sign not only impacted the field of fashion dur-ing her time but also is presently influencing modern fashion throughout the world as it is witnessed by repeated reintroduction of her fashion styles. Reviewing her cinema costumes it is concluded that cinema costumes it is concluded that cinema costumes powerfully af-fect the public through a visual channel more than any other routes. Cinema costumes can become the origin of fashion by stimulating the public to synchronize with and replicate what they see in the movies. Since cinema costumes can launch fashion trend it requires further research. Based on what is revealed in this study. it would be beneficial to examine how cinema costumes affect people socially and culturally and how they could provide resources for re-search in fashion trends. It is also the writers opinion that there should be more designers such as Edith head who could lead the field of costume design into the twenty-first century.
The purpose of this study was to investigate whether the orientation of the head position across different categories affect reaction time and accuracy of object recognition. Fifty four right handed undergraduate students were participated in the experiment. Participants performed the word-picture matching tasks, which were different in terms of head direction of object (i.e., Left-headed or Right-headed) and object category (i.e., natural : animal or artificial : tool). Participants were asked to decide whether each picture matched the word which was followed by the picture. For accuracy, no statistically significant difference was found for both animal and tool pictures due to the ceiling effect. Interaction effect of category and orientation were statistically significant, whereas only the main effect of category was significant. In the animal condition, faster reaction times were observed for left to right than right to left presentation, while no statistical significant difference was found in the tool condition. The orientation of the object's canonical representation was different across different categories. The faster RT for the animal condition implies that the canonical representation for animal is left-headed. This could be due to the orientation of the face.
This study was conducted to investigate the national methane emission from livestock enteric fermentation. For methane emission estimation, livestock were mainly categorized to cattle, swine, poultry, sheep, goats and horses, and cattle were further sub-categorized to calves, fattening cattle, breeding cows in Hanwoo and calves, fattening cattle and lactating cows in dairy cattle. Tier 2 methane emission factors were deduced based on the characteristics of animal performances, live weight, slaughter weight, daily weight gain, and feed digestibility in each category. Tier 2 emission factors of Hanwoo range from 39 to 49 kg/head/year and it is similar to that of Tier 1(47kg/head/year). Tier 2 emission factor of dairy cattle was 107 kg/head/year and it is slightly lower than that of Tier 1(118kg/head/year). Total methane emission from livestock enteric fermentation by Tier 2 method was estimated to be 126.8 tones in 2001. The methane emissions by Hanwoo, dairy cattle, swine, goats, horses and sheep were 61.70, 47.76, 13.08, 2.25, 0.17 and 0.01 tones, respectively. By the use of Tier 2 method instead of Tier 1, the accuracy and reliability of methane emission estimates from livestock enteric fermentation in Korea is considered to be improved.
Purpose: The purpose of this study was to explore the parenting image of modern Korean society through modern novels published during in the stage of modern change in Korea. Method: The data were analyzed through latent content analysis. Modern Korean novels (N=138) written during the Korean modernization stage were chosen for analysis. Five categories and seventeen meaningful sub-categories were drawn out from 636 significant sentences. Results: The parenting images expressed in modern Korean society were as follows: From the category of [Devotional love], 5 sub-categories were drawn: Hedgehog's love, Lavish love, Sacrificial care, Exertion of the mind, and Prayer for the future of their children. From the category of [Stern father and affectionate mother], 3 sub-categories were drawn: Stern and Strict father, Tender and loving mother, and Strong maternal love. From the category of [Enthusiasm for their children's education], 3 sub-categories were drawn: Sense of duty to provide good education for their children, Zeal for their children's education, and Satisfaction with their hard-working children. From the category of [The head of family], 3 sub-categories were drawn: Person who has the right to make decisions, Reliable protector, and Object of filial devotion. From the category of [sexual discrimination], 3 sub-categories were drawn: Preference and favoritism to sons, Attaching importance to education of sons, Regarding daughters as those who help support the family. Conclusions: The results of this study will help to improve the basic understanding the parenting image and parent-child relationship in present day Korea.
A multivariate analysis of the prognostic factors and five year survival rate was carried out on a series of 72 thyroid cancers treated surgically from 1980 to 1987 and followed for 1 to 11 years. The prognosis of the disease was significantly influenced by age at diagnosis, extracapsular invasion, angioinvasion and pathologic type, but the disease was not influenced by sex, lymph node metastasis, and 'risk' category. The overall five year survival rate was 89.7%. Six patients were dead of tumor after surviving for six months to two and half years, and the cause of death was local recurrence in three, lung metastasis in two and bone metastasis in one patient. Five year survival rate in age above fifty, presence of capsule and angioinvasion, follicular carcinoma, and extrathyroidal lesion was significantly shorter than that of patients with age below fifty, absence of capsule and angioinvasion, papillary carcinoma, and intrathyroidal lesion. Patients at low risk or with small carcinomas had long survival over 5 years with only lobectomy. Lymph node dissection was done with a limited type in no jugular metastasis, radical neck disscetion was performed only therapeutically in proved jugular node metastasis. Thyroid hormone was administered for the period of 3 to 5 years to suppress endogenous TSH production.
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