• Journal of the East Asian Society of Dietary Life
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• v.22 no.1
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• pp.1-8
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• 2012

We compared the dietary behaviors and living habits of Han Children living in both China and Korea to find any influences from the different living environments. Three hundred $5^{th}$ and $6^{th}$ -grade children in China and two hundred thirty three $5^{th}$ and $6^{th}$ -grade children in a Chinese school in Korea were surveyed via questionnaire. Mean BMI was higher and sleeping hours were lower in the children living in Korea compared to the children living in China. Mean age and education level of the parents were higher in the children living in Korea. Most of the dietary behaviors discovered via the questionnaire showed similar tendencies in the two groups. However, in terms of skipping breakfast, deviating in food habits, snacking before sleeping, and snacking right after eating a meal, the children living in Korea showed significantly higher frequencies. Also, children living in Korea showed significantly lower frequencies of overeating, snacking while watching TV or using the computer, and eating food when stressed, than children living in China. In living habits, children living in Korea do less regular exercise and use buses or cars more frequently for short distance transportation and spend more time to watch TV or computer than the children living in China. Therefore, it seems that different living environments may somewhat influence the dietary behaviors and living habits of children even if they have the same ethnic background.

• The Korean Journal of Quaternary Research
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• v.21 no.2
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• pp.77-79
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• 2007

The source regions of Asian Dusts (Yellow Sands) in the western part of China are investigated, and the soil samples are collected samples for approximately 15 days during the spring of 2005. Particle sizes of sediments are analyzed and compared with each other. These grain-size analyses from the source areas can be compared Particle sizes between loess deposits and desert sands in western part of China and desert areas show distinctive differences. Loess deposits are predominantly composed of fine sands and silts. The distinction between the final characteristics of Asian Dust particles arrived in Korea and characteristics during transportation can be recognized comparison with the Asian Dust particles collected where the dust particles settled down. The characteristics of Asian Dust particle sizes can provide the basic information regarding the transportation history from the source region.

• Proceedings of the KIEE Conference
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• 1999.07b
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• pp.606-608
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• 1999

Mutual Recognition Agreement(MRA) between national metrology institutes is started on October 1999 and International Key Comparison is essentially to be used as technical basis for the agreement. High resistance is one of the Key Comparison and high resistance measurement system is established in KRISS for the purpose of the Key Comparison. Total combined uncertainty of the system is about 4ppm in $10M{\Omega}$ and 8ppm in $1G{\Omega}$. With the system, the difference of comparison results for $10M{\Omega}$ and $1G{\Omega}$ among KRISS, VNIIM in Russia and NIM in China is agreed about 6ppm within total combined uncertainty of three institutes.

• Journal of Digital Convergence
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• v.12 no.4
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• pp.171-182
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• 2014

As several kinds of social public affairs come into the fore, public service advertising gets more important. In addition, the theme of the public service advertising differs depending on a country's political, economic, social and cultural characteristics, and there are unique public service advertising operating systems. This study assumed that the operating systems of the public service advertising might differ in Korea and China because of political, social, and cultural differences. Thus, the public service advertising operating system carried out by KOBACO and CCTV, the subjects of the public service advertising operation of Korea and China were classified into three categories (public service advertising operation status, public service advertising theme and public service advertising management and supervision) for a comparison. Through literature review and expert in-depth interview, data were collected and analyzed. Based on the data, 5 public service advertising development policies were proposed. The results of this study will contribute to the public service advertising production strategy and institutional development of Korea and China in the future.

• Journal of Korean Society of Occupational and Environmental Hygiene
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• v.29 no.4
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• pp.442-451
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• 2019

Objectives: The aim of this study was to review the reduction methods for ammonia (NH₃) and hydrogen sulfide (H₂S) exposure in livestock. Methods: By reviewing domestic and international research reports from Korea and China, reducing ammonia and hydrogen sulfide in livestock pens was analyzed in terms of ventilation, deodorant, and feed additives. In addition, exposure limits in Korea and China were examined through a comparison between 'TLV-TWA and STEL under the Industrial Safety and Health Act in Korea' and 'Management Standards for Air of Livestock Pens in China'. Results and Discussion: In order to effectively control hazardous gases and odors in livestock pens, the enhancement of natural ventilation or the addition of ventilation fans at the pollution source are being examined. Deodorants are used as adsorbents or masking deodorants. Additives to feed were zeolite powder, FeSO₄·7H₂O, enzymes, and microbial preparations. Use of feed additives was low-cost and had significant effects compared to other methods. Zeolite was the most commonly used in feed additive in Chinese cases and proved to be low-cost and effective for reducing harmful gases. Enzyme preparations were shown to stimulate the growth of livestock, but were expensive. Conclusions: This study reviewed and examined domestic and international research papers in Korea and China for reducing ammonia and hydrogen sulfide concentrations in livestock pens. More diverse research and the development of feed additives are needed.

• Korean Journal of Plant Resources
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• v.14 no.1
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• pp.24-31
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• 2001

The medicinal constituents contained in Cinidil Rhizoma and Angelicae Radix cultivated in Korea and China, were compared by confirming their qualities. From Cinidil Rhizoma and Angelicae Radix cultivated in Korea and China, butyl phthalide, senkyunolide, and ligustilide etc. phthalides were identified by GC/CMS analysis. Through GC/FID analysis, the senkyunolide content of Cinidil Rhizoma cultivated in Korea was similar to that cultivated in China. The ligustilide content of Ciniail Rhizoma cultivated in Korea was more than that cultivated in China, except for one cultivated at Ankuk province. In the case of Angelicae Radix, the ligustilide content of that cultivated in Korea was more than one cultivated at Yeungil province in China. As for quality, Cinidil Rhizoma and Angelicae Radix cultivated in Korea were better than those cultivated in China since Chinese products possessed more butilidene phthalide photo-decomposed from ligustilide, caused by long storage during the circulation processes, than that of the domestic products.

• Journal of architectural history
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• v.15 no.4
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• pp.75-86
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• 2006

Korea is closed to China in the geographical position and is related to China as two countries have developed similar culture, art, and social systems. Architecture is a kind of culture and has advanced in the wooden architecture with a considerable change. The study investigated a phylogenetic relationship between two countries based on characteristics of architectural universality. With comparison and analysis on the common feature and difference of the beam and structure in the wooden architecture from the Koryo and Zhejiang Province(China), the systemicity of the wooden architecture was examined. The beam is a part of timber which is consist of the wooden structure frame and also a crucial subject to understand a development process of the wooden architecture.

• Proceedings of the Korean Society of Propulsion Engineers Conference
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• 2017.05a
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• pp.41-46
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• 2017

The three neighbors of Korean peninsula, Japan, China, Russia are leading countries of the world as national power and economic power. They are also leading the field of science, particularly top class in the space development. In comparison, our country, Korea, has been going on develop new launch vehicle and building new launch complex in accordance with national space program. In this paper, examining the technical trends of launch complex of Russia and China which based on Russian rocket technologies and it will make a reference for KSLV-II and future space program through this information.

• Korean Journal of Pharmacognosy
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• v.38 no.1
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• pp.15-18
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• 2007

Scrophulariae Radix(Scrophulariaceae) is a perennial growing in all parts of korea, China and Asia. It has been used as a folk medicine in treating guttural diseases acting as an antiphlogistics, antipyretics and analgesics. In this report, to compare with Korea and China product, quantitative analysis of harpagoside and p-methoxy cinnamic acid(4-MCA) was performed by HPLC method. Using a Luna $C_{18}(2)$ column, we carried out quantitative analysis with 0.1% phosphoric acid in water and acetonitrile as gradient condition. Harpagoside and 4-MCA were detected at retention time of about 11.5 and 15.0 min, respectively. Contents of harpagoside and 4-MCA proved that Korean products were higher than China more than twice.

• Journal of Korea Port Economic Association
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• v.32 no.3
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• pp.1-20
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• 2016

The objective of this study was to select world top 20 major container terminals that belong to Korea and China as comparison units to analyze their efficiency and productivity trend. Super Efficiency Data Envelopment Analysis(SE-DEA) and Malmquist Productivity Index(MPI) models were applied to this study. Compared with previous studies, we narrowed down the scope of the comparison units to terminals and conducted more detailed analysis to present more meaningful implications to the actual operation. The different result from existing studies, SE-DEA analysis implied that the major terminals of Busan New Port showed similar efficiency and productivity with China's terminals. In MPI analysis, the average index of Korean and China's terminals is 1.051 and 1.049. The analysis indicates that the productivity was improved 5.1% and 4.9% annually. From 2012 to 2015, the average terminal TCI index of South Korea and China were 1.032 and 1.0318-the main factor which influences MPI. This means improving productivity mainly rely on investment in new equipment and technology upgrades rather than improve operational efficiency over the past few years. Future management decisions should consider more aggressive marketing to increase the volume and improve operational efficiency to enhance productivity. Further research should apply the overall efficiency of the methodology considering the financial diversification, terminal capacity, service levels, and other factors.