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Age-Related Changes in Walking Motion of Japanese Females
Irma Nur AFIAH,Hiroki NAKASHIMA,Satoshi MURAKI 대한인간공학회 2014 대한인간공학회 학술대회논문집 Vol.2014 No.5
The purpose of this study was to investigate the effects of aging on gait parameters at two different speed conditions in Japanese females. This study involved 42 healthy Japanese females who were divided into three groups: (1) 14 younger females, mean age 22.3 ± 1.6 years, (2) 14 older females (65 to 75 years old), mean age 70.7 ± 1.8 years, and (3) 14 very old females (≥ 76 years old), mean age 78.2 ± 3.5 years. Various parameters were measured: basic gait parameters (speed of walking, right step length, left step length, step length, difference between right and left step lengths, ratio of step length to height, ratio of step length to lower-limb length, and cadence) and gait cycle parameters (time of swing phase, time of stance phase, time of one gait cycle, percentage of swing phase, and percentage of stance phase). The walking speeds in groups 1, 2, and 3 were 72 ± 5.4, 71.4 ± 7.3, and 69.7 ± 6.7 at the self-selected speed, and 91.3 ± 7.4, 86.2 ± 8.3, and 85.1 ± 9.1 m/min at the fast speed, respectively. In two-way repeated-measure ANOVA, all the parameters showed statistically significant effects of speed conditions (p<0.05), except the difference between right and left step lengths. Statistically significant effects of groups were found in right step length, left step length, step length, and difference between right and left step lengths (p<0.05). In addition, significant interactions between speed conditions and groups were found in the time of swing phase, time of stance phase, and time of one gait cycle (p<0.05). Under the self-selected speed condition among the three groups, posthoc pairwise Bonferroni-corrected comparison showed significant differences in right step length, left step length, step length, and difference between right and left step lengths (p<0.05). Under the fast speed condition, however, significant differences were only found in right step length, left step length, and step length (p<0.05).
Pilot 규모 (1 톤/일) Counter flow multi-baffle (COMB) 반응기를 이용한 가축분뇨 biochar 생산
( Irma Thya Rani ),( Bangun Adi Wijaya ),유지호 ( Jiho Yoo ),최호경 ( Hokyung Choi ),임혁 ( Hyuk Im ),김상도 ( Sangdo Kim ),이시훈 ( Sihyun Lee ),김수현 ( Soohyun Kim ),전동혁 ( Donghyuk Chun ),임정환 ( Jeonghwan Lim ) 한국폐기물자원순환학회 2023 한국폐기물자원순환학회 춘계학술발표논문집 Vol.2023 No.-
Irma Aranda-Gonzalez,Yolanda Moguel-Ordonez,Luis Chel-Guerrero,Maira Segura-Campos,David Betancur-Ancona 한국식품영양과학회 2016 Journal of medicinal food Vol.19 No.9
Steviol glycosides are a family of compounds found in Stevia rebaudiana Bertoni that are responsible for sweetness capacity. The antihyperglycemic effect of the two major steviol glycosides, Rebaudioside A and Stevioside, has been studied and it has been found that despite having the same common structure, only Stevioside exerts an antihyperglycemic effect. Although other steviol derivatives are found in smaller amounts (minor steviol glycosides) in S. rebaudiana, whether or not they possess antihyperglycemic activity has not been evaluated. The aim of this study was to evaluate the antihyperglycemic effect of minor steviol glycosides in normoglycemic and diabetic (streptozotocin/nicotinamide) Wistar rats. Rats were subjected to an intraperitoneal glucose tolerance test (IPGTT) both before and after chronic treatment (28 days). After 6 h of fasting, IPGTT was conducted in pentobarbital-anesthetized rats using 1 g/kg of glucose plus 20 mg/kg of the minor glycoside (Dulcoside A, Rebaudioside B, C, D, or Steviolbioside) or control treatment (distilled water, glibenclamide, or metformin); the blood of the tip of the tail was collected at time 0, 15, 30, 60, and 120 min.; and blood glucose was measured, and its net area under the curve (AUCnet) was calculated. After 28-day chronic oral administration, IPGTT was again performed. Differences were considered significant at P < .05 by one-way ANOVA. Acute intraperitoneal or chronic oral administration of 20 mg/kg of minor steviol glycosides had no antihyperglycemic effect in normoglycemic or induced-diabetic Wistar rats. Considering the dose tested, it is unlikely that these glycosides have an effect on glucose in diabetic or normoglycemic humans.
Irma Eugenia García López,Brianda Daniela Flores García 부산외국어대학교 중남미지역원 2021 이베로아메리카 Vol.23 No.2
Over the last few years, rural areas in northeastern Mexico have present significant changes in social, economic, and territorial aspects linked to the New Rurality. In this context, winemaking has become one of the most dynamic and growing activities in the regional economy. This emerging development has prompted different forms of appropriation and use of this space, but it also highlights the lack of access to knowledge for wine production due to the lack of formal educational centers. As a result, learning communities enable the development of skills and competencies through non-formal educational practices. The objective of this paper is to analyze the role of learning communities in non-formal educational environments, taking as a case study: a collective of small-scale wine producers in Parras de la Fuente, Coahuila. This research focuses on two perspectives of learning: appropriation and technology transfer, and promotion of Mexican wine culture. The main finding was to demonstrate the importance of including educational processes that respond to the context and needs of the community. En los últimos años los espacios rurales del noreste mexicano han presentado importantes cambios sociales, económicos y territoriales asociados a la Nueva Ruralidad. En este contexto, la vinicultura se posiciona como una de las actividades de mayor crecimiento y dinamismo de la economía regional. Este incipiente desarrollo ha fomentado nuevas formas de apropiación y uso de este espacio, pero también hace evidente la falta de acceso al conocimiento para la producción de vino debido a la carencia de espacios educativos formales. Ante esta situación las comunidades de aprendizaje permiten desarrollar habilidades y competencias desde la práctica educativa no formal. El presente trabajo tiene como objetivo analizar la función de las comunidades de aprendizaje en entornos educativos no formales, tomando como caso de estudio un colectivo de pequeños productores vinícolas de Parras de la Fuente, Coahuila. La investigación puntualiza el aprendizaje en dos perspectivas, apropiación y transferencia tecnológica, y fomento a la cultura del vino mexicana. El principal hallazgo fue demostrar la importancia de implementar procesos educativos incluyentes que respondan al contexto y necesidades de la comunidad.