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보문 : Eye shadow 화장품에 첨가된 무기물질의 성분과 미세구조 분석
장아영 ( A Young Jang ),장병수 ( Byung Soo Chang ) 대한미용학회(구 대한미용과학회) 2010 대한미용학회지 Vol.6 No.4
In this study, we investigated the microstructure and element of the ingredients of three kinds of eye shadow with different color each other commonly in use for eye make-up using scanning electron microscope and energy disperse X-ray spectroscope. In the examination of golden peach eye-shadow under observation of scanning electron microscope, mica covered by titanium dioxide was observed in a form of thin section. The mica with pearly luster was mostly observed. In the examination of brown eye-shadow, the particles of the mixture were relatively even in size and homogenous in composition. It was found that the inorganic matters of the mixture had talc, iron oxide black and iron oxide yellow as main component. Among them, talc was a major component of most matters. In the examination of deep brown eye shadow, the mixture was homogenous with small particles covering the surface of silica. The flakes of round silica and talc were observed, which were relatively big in size. The major component of it was iron oxide black with lumps in a form of thin flack around them. The inorganic elements comprising the golden peach eye-shadow were carbon, oxygen, magnesium, aluminum, silicon, potassium, titanium and iron. Silicon accounts for 13.32%, the largest portion, and iron 0.67%, the least portion. The brown eye-shadow were carbon, oxygen, magnesium, silicon and iron. Among them, silicon accounts for 17.31%, the largest portion, and iron 2.58%, the least portion. The deep brown eye shadow were carbon, oxygen, sodium, magnesium, aluminum, silicon, sulfur and iron. Among them, iron accounts for 45.37%, the largest portion, and aluminum 0.20%, the least portion. According to the results of elemental analysis of the inorganic matters comprising three types of eye shadow used in the present study, it was found that there are differences in the content of inorganic minerals which create a luster or chic effect depending upon the function of eye make-up.
장아영(Jang, A Young),박정숙(Park, Jeong Sook) 노인간호학회 2018 노인간호학회지 Vol.20 No.1
Purpose: This study was done to identify factors influencing the quality of life (QOL) of cancer patients hospitalized in long-term care hospitals (LCH), particularly those offering complementary alternative therapies (CAT). Methods: Participants were 115 cancer patients hospitalized in cancer-specialized LCHs in Gyeongsangbuk-do. Data collection was done using the following scales: Functional Assessment Cancer Therapy-General (FACT-G), Satisfaction of LCH Questionnaire modified by researchers, Usage and Satisfaction of CAT Questionnaire developed by researchers, M.D. Anderson Symptom Inventory-Korean (MDASI-K), Self Care Activity Tool, and Multi-dimensional Scale of Perceived Social Support (MSPSS). Step-wise multiple regression was used to identify factors influencing the quality of life of cancer patients in LCHs. Results: The factors identified as influencing the QOL of cancer patients hospitalized in LCH were physical symptoms (β=-.41, p〈.001), satisfaction with exercise therapy in CAT (β=.27, p〈.001), social support (β=.24, p〈.001), satisfaction with LCH (β=-.19, p=.006), and male gender (β=-.16, p=.023) with an explanatory power of 49.0%(F=22.73, p〈.001). Conclusion: The LCHs should strive to improve the QOL of cancer patients by enhancing physical symptom care, strengthening exercise therapy in CAT, and improving social support and satisfaction with the hospital.
장병수 ( Byung Soo Chang ),장아영 ( A Young Jang ),정다정 ( Da Jung Jung ) 대한미용학회(구 대한미용과학회) 2018 대한미용학회지 Vol.14 No.2
In the present study, an attempt was made to compare and analyze the changes in facial skin condition after application of cosmetics using basic cosmetic application methods and air brush of modern women using a skin analyzer and a dermoscope. The results of facial skin moisture measurement showed that the control group and the experimental group maintained a sufficient moisture content in the foreheads, both cheeks and chin except the nose. According to the findings of skin sebum measurement, there was no significant change in the forehead, both cheeks and the chin of control group-1, and the nose decreased below normal after the experiment. The forehead, right cheek, and chin were normal in control group-2, and the nose increased from normal to above normal 4 weeks after the experiment. The forehead, left cheek, and chin of experimental group-1 increased to normal after the experiment, and the forehead, right cheek, nose and chin of experimental group-2 remained normal after the experiment. The results of pH measurement revealed that the forehead of the control group decreased from normal to below normal, while the remaining portion did not show any significant change. The experimental group-1 showed normal values in all portions and the experimental group-2 showed normal values in the nose and both cheeks. Dermoscopic studies showed that skin condition of the control group and the experimental group were different depending upon the concerned skin areas. The skin changes before and after the experiment turned out to be consistent with the result of the skin analysis using a skin analyzer. The experimental group showed an improvement in skin condition after the experiment. To sum up, skin care using air brush is effective for moisturizing as the fine particles ejected through the nozzle improve adhesion and durability to the skin. In order to maintain a balance between moisture and sebum in the skin, it is expected that our findings will be more effective if manual operation is performed after spraying with air brush.
Cr(eq)/Ni(eq)비에 따른 AISI 304L 및 AISI 316L 스테인리스강 용접부의 미세조직 및 전기화학적 양극분극 평가
김연희 ( Yeon Hee Kim ),장아영 ( Ah Young Jang ),강동훈 ( Dong Hoon Kang ),고대은 ( Dae Eun Ko ),신용택 ( Yong Taek Shin ),이해우 ( Hae Woo Lee ) 대한금속·재료학회 2010 대한금속·재료학회지 Vol.48 No.12
This pitting corrosion study of welded joints of austenitic stainless steels (AISI 304L and 316L) has addressed the differentiating solidification mode using three newly introduced filler wires with a flux-cored arc welding process (FCAW). The delta ferrite (δ-ferrite) content in the welded metals increased with an increasing equivalent weight ratio of chromium/nickel (Cr(eq)/Ni(eq)). Ductility dip cracking (DDC) was observed in the welded metal containing ferrite with none of AISI 304L and 0.1% of AISI 316L. The potentiodynamic anodic polarization results revealed that the Cr(eq)/Ni(eq) ratio in a 3.5% NaCl solution didn`t much affect the pitting potential (E(pit)). The AISI 316L welded metals with a-ferrite content of over 10% had a superior E(pit) value. Though the AISI 316L welded metal with 0.1% ferrite had larger molybdenum contents than AISI 304L specimens, it showed a similar Epit value because the concentration of chloride ions and the corrosion product induced severe damage near the DDC.