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Midori YAsuda,Michio Kondo,Tamiyoshi Sonda,Kazumi Takedomi,Syouhei Eguchi,Ayumi Eguchi 한국차학회 2003 한국차학회지 Vol.9 No.3
The effects of manufacturing methods of tea on the chemical components and the physiological function of tea were studied. Tea samples were manufactured by three different methods with the same fresh tea leaves which were plucked on the same date at the same place. The tea manufacturing methods were ① the steamed method. ② pan fired method of the conventional style and ③ the new pan fired method of Eguchi style with high pressure and airtight pan. The difference of manufacturing methods was hardly affected on contents of minerals, amino acids and caffeine in infusions. However, catechins in tea manufacturing by pan fired method of Eguchi style were more than that in teas manufacturing by other methods. As to the antioxidative activity, the tea manufacturing by pan fired method of Eguchi style was also the highest of all others. The tea tissues at the cross section were observed by a scanning electron microscope. As a result, the destruction of tea tissue was confirmed for the teas manufacturing by pan fired method. These results would have been due to the complete inactivation of polyphenol oxidase and the destruction of tea tissues by the manufacturing process at high temperature with airtight pan.
A Memory Effect in Metallic Material Perception
Paru Kondo,Midori Tanaka,Takahiko Horiuchi 한국색채학회 2017 AIC 2017 Jeju Vol.2017 No.10
In color memory matching, it is well known that the perceived color might be different from the original color even if the viewing conditions remain the same. In our previous study, we found that such color shifts also occurred with metallic gold objects. Appropriate luminance modulation was an important factor in the highfidelity perception of the rendered images of gold materials. In this study, we further investigate the memory effect by using actual metallic objects with four different metallic colors (brass, copper, bronze, and iron) having similar 3D shapes. As experimental stimuli, we prepared nine images for each metallic object, including one nonmodified image and eight processed images with modulated luminance and saturation. In our psychophysical experiment, the images were displayed on a calibrated monitor and evaluated with regards to the fidelity of image reproduction through paired comparison in a memory matching procedure. By analyzing the results of principal component scores, it was found that the saturation shift and luminance enhancement corresponded to the 1st and 2nd principal component vectors.
Masashi Utsumi,Masaru Inagaki,Koji Kitada,Naoyuki Tokunaga,Midori Kondo,Yuya Sakurai,Kosuke Yunoki,Ryosuke Hamano,Hideaki Miyasou,Yousuke Tsunemitsu,Shinya Otsuka 대한외과학회 2022 Annals of Surgical Treatment and Research(ASRT) Vol.103 No.2
Purpose: This study was performed to determine the prognostic value of lymphocyte-to-CRP ratio after curative resection for hepatocellular carcinoma. Methods: Between July 2010 and October 2021, 173 consecutive patients (144 male, 29 female) who underwent surgical resection for pathologically confirmed hepatocellular carcinoma were included in this retrospective study. Cox regression analysis was used to evaluate the relationship between clinicopathological characteristics and recurrence-free survival (RFS) and overall survival (OS). A P-value of <0.05 was considered statistically significant. Results: The patients (mean age, 71 years) were stratified into high (≥9,500, n = 108) and low (<9,500, n = 65) lymphocyte- to-CRP ratio groups. The low lymphocyte-to-CRP ratio group had significantly worse RFS and OS. Low lymphocyte-to- CRP ratio (hazard ratio [HR], 1.865; 95% confidence interval [CI], 1.176–2.960; P = 0.008), multiple tumors (HR, 3.333; 95% CI, 2.042–5.343; P < 0.001), and microvascular invasion (HR, 1.934; 95% CI, 1.178–3.184; P = 0.009) were independently associated with RFS, whereas low albumin-to-globulin ratio (HR, 2.270; 95% CI, 1.074–4.868; P = 0.032), α-FP of ≥25 ng/mL (HR, 2.187; 95% CI, 1.115–4.259; P = 0.023), and poor tumor differentiation (HR, 2.781; 95% CI, 1.041–6.692; P = 0.042) were independently associated with OS. Lymphocyte-to-CRP ratio had a higher area under the curve (0.635) than other inflammation-based markers (0.51–0.63). Conclusion: Lymphocyte-to-CRP ratio is superior to other inflammation-based markers as a predictor of RFS in patients with surgically resected hepatocellular carcinoma.