Sky View Factor (SVF) is one of the urban morfometri parameters that impact on the Urban Heat Island (UHI). SVF analisys was conducted in the city of Jakarta to investigate the relationship between urban temperature with urban morfometri. Jakarta City is the most populous city in the world that has a surrounding area $66,152km^2$ and the total population around 23 million people. The population of the city is the sixth highest in the world today. SVF measurements done by taking pictures at the six stations that have different morphological characteristics namely (1) the narrow streets Apartment Cempaka Mas (JS ITC), (2) the width of the road Apartment Cempaka Mas (JL ITC), (3) in front of Colleges Kanisius (DKK), (4) in front of office Journalist of Indonesia (DKWI), (5) Utan Kayu (UK), and (6) Tambun (TB). SVF value is obtained from the photgraphic image. Taking pictures at the location using a Nikon D90 camera with a Nikon Fisheye Nikkor 10.5 mm 1 : 2.8 G ED, further processed through a global mapper program. Therefore, the SVF derived from the six stations that vary 0.21 to 0.78. Temperature measurement is done during daylight hours from 06:00 am to 18:00 pm during the Western Part of Indonesia (WIB). Measurements performed at three different times, namely working days (HK) regular holidays (HCB) national holidays (HCN). The results showed that the highest average temperature of $33.32^{\circ}C$, occurring at UK station (SVF=0.45) at the time of HCB. Meanwhile, the average low temperature of $31.22^{\circ}C$ occurred at JLITC station (SVF=0.42). The two-time occurred on ordinary holidays. Maximum temperature of $38.4^{\circ}C$ occurred in Utan Kayu station (SFV=0.45) that occurred at 11.00 hrs, normal holidays. Furthermore minimum temperature 24.5 occurred at Tambun station (SVF=0.78) at 06.00 hrs in the morning at the usual holidays and national holidays. In general, the results showed that areas with large SVF has a lower temperature compared with areas with smaller SVF. Though, are not the only factors that matter, but this research may show that an increase in temperature in the city of Jakarta. Therefore, it is necessary to mitigate the serious from the government or society.
Co-residence is a type of intergenerational private transfers of resources: money, time and space. Adult daughters and their elderly parents decide to co-reside, depending on their utility levels before and after co-residence that mainly depend on the health status of the elderly. Therefore, co-residence implies positive net benefits to both parties in the sense that, when they co-reside, elderly parents share childcare and adult daughter provide elderly care. In other words, formal (paid) care can be substituted with informal (unpaid) one. Both marriage and giving births are considered as the major obstacles to labor market attachment of women who bear burdens of home production and childcare. Co-residence can be a solution for married women to avoid career interruption by sharing burdens with their elderly parents. However, most previous studies using the U.S. data on intergenerational private transfers focused on elderly care and have concluded that they reduce government expenditures associated with public subsidies to the elderly. This study focuses on adult daughters and it examines effects of co-residence on labor supply of married women in Korea, who face limited formal childcare programs in terms of both quantity and quality. It applies the Tobit model of married women's labor supply to the data from the Second Wave of the Korean Labor and Income Panel Survey( 1999), in order to investigate effects of co-residence and the work and health status of the co-residing elderly as well as their own health status. Four specifications of the empirical model are tested that each includes co-residence with elderly parents, their gender, or their work and health status. Estimation results show that co-residence, co-residence with female elderly, and co-residence with not-working female elderly have significant positive effects on labor supply of married women while poor health status of co-residing female elderly does not bring about any negative effects. However, co-residence with male elderly, regardless of their work and health status, has no significant effect The results indicate that co-residence is closely related to sharing of home production among female elderly and adult daughters who are married and, through intergenerational private transfers of resources in terms of time, it helps women avoid career interruption.
As the role and the importance of private security are emphasized in an independent way, as well as in a supportive way for police affairs, this study aims to figure out factors affecting job satisfaction of private security guards by investigating their job satisfaction. This study also suggests some solutions for improvement of their job satisfaction, such as enhancing task motivation and professionalism of private security guards. For the research were used SPSS(Statistical Package for the Social Science) WIN 24 programs. Frequency analysis, correlation analysis, multiple regression analysis and Crosstabulation analysis were performed as analytic methods. As a result of the study, the most fundamental factor in the job satisfaction of the private security guards was 'social recognition'. Social recognition forms when private security guards are trusted as professionals and the value of a job is enhanced. The policy recommendations to improve the job satisfaction of private security guards can be explained as follows. First, a government certification system should be established in an attempt to recruit professional private security guards. Second, in order to improve the work ability of private security guards, it is necessary to designate a special educational institution for a private security guards and provide systematic education. Third, the wage of private security guards should be readjusted to a realistic level. Fourth, it is necessary to secure substantial effect on the permission and the supervision of private security business. Finally, the business area based on public interest should be expanded.
This study examined the effects of referral requirements for insurance patients which have been enforced since July 1, 1989 when medical insurance coverage was extended to the whole population except beneficiaries of medical assistance program. The requirements are mainly aimed at discouraging the use of tertiary care hospitals by imposing restrictions on the patient's choice of a medical service facility. The expectation is that such change in the pattern of medical care utilization would produce several desirable effects including increased efficiency in patient care and balanced development of various types of medical service facilities. In this study, these effects were assessed by the change in the number of out-patient visits and bed-days per illness episode and the share of each type of facility in the volume of services and the amount of expenditures after the implementation of the new referral system. The data for analysis were obtained from the claims to the insurance for government and school employees. The sample was drawn from the claims for the patients treated during the first six months of 1989, prior to the enforcement of referral requirements, and those of the patients treated during the first six months of 1990, after the enforcement. The 1989 sample included 299,824 claims (3.6% of total) and the 1990 sample included 332,131 (3.7% of total). The data were processed to make the unit of analysis an illness episode instead of an insurance claim. The facilities and types of care utilized for a given illness episode are defined to make up the pathway of medical care utilization. This pathway was conceived of as a Markov Chain process for further analysis. The conclusion emerged from the analysis is that the enforcement of referral requirements resulted in less use of tertiary care hospitals, and thereby decreased the volume of services and the amount of insurance expenses per illness episode. However, there are a few points that have to be taken into account in relation to the conclusion. The new referral system is likely to increase the use of medical services not covered by insurance, so that its impact on national health expenditures would be different from that on insurance expenditures. The extension of insurance coverage must have inereased patient load for all types of medical service organizations, and this increase may be partly responsible for producing the effects attributed to the new referral system. For example, excessive patient load for tertiary care hospitals may lead to the transfer of their patients to other types of facilities. Another point is that the data for this study correspond to very early phase of the new system. But both patients and medical care providers would adapt themselves to the new system to avoid or overcome its disadvantages for them, so as that its effects could change over time. Therefore, it is still necessary to closely monitor the impact of the referral requirements.
The effects of dietary Gleditschia on fatty acid composition, lipid oxidation, and pork quality were investigated. Pigs (n=40) were fed a diet containing 0, 0.1, 0.2, 0.4, and 1% Gleditschia for 14 weeks and slaughtered at 110 kg average. The longissimus throracis et lumborum muscle was collected at 24 hr postmortem. Pork loin chops (3 cm thick) were packaged aerobically and stored at $4^{\circ}C$ for 7 days. Samples were analyzed for fatty acid composition, ultimate pH, thiobarbituric acid-reactive substance (TBARS), color ($L^*$, $a^*$, $b^*$), drip loss and water-holding capacity. There was no significant difference of moisture and crude fat percent in between treatment and control group, and the color stability of pork loin better in all treat groups was more improved during cold storage. The change of pH was significantly increased (p<0.05) in 0.2, 0.4, 1% treatment groups compare to the control group. Water-holding capacity of pig loins was significantly higher (p<0.05) in all treat groups than in control group; 0.2% treat group was the highest in the water holding capacity followed by 0.4, 1, and 0.1% treat groups. Less drip loss of pig loin was observed with samples from Gleditschia-fed pigs except 1% treat group. Unsaturated fatty acid were tend to be decreased and saturated fatty acid were tend to be increased in Gleditschia-treated group. Thiobarbituric acid-reactive substance value of control was significantly higher than that of the Gleditschia-fed group (p<0.05).
The purpose of this study is to evaluate hydrological impact by the land cover change of typhoon damage. For the typhoon RUSA (rainfall 1,402 mm) occurred in 2002 (August $31\;{\sim}$ September 1), satellite images of Landsat 7 ETM+ of September 29, 2000 and Landsat 5 TM of September 11, 2002 were selected, and each land cover was classified for Namdae-cheon watershed $192.7km^2$ located in the middle-eastern part of Korea Peninsula. SCS unit hydrograph for watershed runoff and Muskingum for streamflow routing of WMS HEC-1 was adopted. 30m resolution DEM & hydrological soil group using 1:50,000 soil map were prepared. The model was calibrated using three available data of storm events of 1985 to 1988 based on 1985 land cover condition. To predict the streamflow change by damaged land cover condition, rainfall of 50 years to 500 years frequency were generated using 2nd quantile of Huff method. The damaged land cover condition treated as bare soil surface increased streamflow of $50.1\;m^3/sec$ for 50 years rainfall frequency and $67.6\;m^3/sec$ for 500 years rainfall frequency based on AMC-I condition. There may be some speedy treatment by the government for the next coming typhoon damage.
Cho Min-Hye;Han Sang-Mi;Baek Ha-Ju;Whang Kyung-Sook
Korean Journal of Environmental Biology
/
v.24
no.1
s.61
/
pp.38-45
/
2006
Ecological characteristics of microbial populations inhabiting heavy metal polluted soil were investigated. The samples were collected from 293 sites around an factory and industry at Gyeoungsangbuk-do. We measured the contents of seven heavy metal elements (Cd, Cu, As, Hg, Pb, $Cr^{6+}$, CN), seven sites have been seriously contaminated by mercury and chrome. A quantitative evaluation of microbial populations in mercury and chrome contaminated soil was examined by using plate count method. Bacterial numbers in polluted soil samples ranged from $7.4X10^5\;to\;9.3X10^7\;cfu\;g^{-1}$, about $10\sim100$ fold less than the count for the unpolluted soil. Moulds were not detected in chrome polluted soil. The log values of actinomycetes of each contaminated soil samples were log ranged from 6.18 to 7.52. The ratio of actinomycetes was similar to unpolluted soil. The investigation showed actinomycetes to be the major microbial population inhabiting the mercury and chrome polluted soil. Thirty-one isolates among the total isolates were examined for antibacterial activity. These isolates were identified based on a phylogenetic analysis using 16S rRNA gene nucleotide sequences, they were categorized in three major phylogenetic groups, belong to the Streptomyces (6 strains), Saccharopolyspora (3 strains), Nocardiodes (1 strain). On the phylogenetic tree, the clade consisting of five isolates were distantly related to all of the established Streptomycetes genera, indicating the possibility as members of new species.
This study was designed to find out the factors which influence on the financial performance of the hospital. Out of 32 provincial hospitals which were established by the government, 10 hospitals were selected as sample hospitals. Ten hospitals were divided into two groups(5 hospitals each), one of which was profit-making and the other loss-making. The criteria in selecting profit or loss-making hospitals was net profit to total revenue. The major finding of the study was as follows; 1. Whether or not a hospital had specialized in certain departments was proved to be the major factor influencing on the financial performance. Three out of five profit-making hospitals could harvest following results by operating specific departments. (1) Man powers needed for the operation of specific departments were 14.6 persons per 100 bed, which was only 1/7 of the general hospital. (2) The number of doctors has not increased in proportion to the increase of the number of beds. (3) Ratio of total revenue to MD.'s payroll expenses of the profit-making hospitals was 75.0% higher than the loss-making hospitals. (4) The average length of stay of specific department was very long(388.1 days). However, the specific departments were found to have contributed much to the financial performance because the occupancy rate of such departments was very high(94.5%). 2. The headcount per 100 bed of the profit-making hospitals was 23.9 persons(24.0%) less than the loss-making hospitals and the ratio of payroll expenses to total revenue 15.1% less. 3. Averagel revenue per specialist of the profit-making hospitals was 100 million(25.1%) more than loss-making hospitals and the ratio of total revenue to MD's payroll expenses of profit-making hospital was 75.0% higher. 4. Profit-making hospitals have introduced new systems or renovation in 36 fields, such as incentive payment system, utilization of contracted man powers, change of the payroll structure of the nurses, specialization in certain departments, etc; however, loss-making hospitals introduced only 25 new systems or renovations. These kind of renovation could not be achieved without the cooperation of the labor union and the strong will of the top management. Therefore, it could be said that the labor union of the profit-making hospitals seems to have been very cooperative compared with that of loss-making hospitals.
The bulbil of the $Dioscorea$$species$ is produced, the amount of which is 2,000 tons annually, but it has been discarded without specific use. In this study the antioxidant and antimutagenicity of bulbil of the $Dioscorea$, which compared to bulbil of Danma($Dioscorea$$japonica$ Decaisne) and Jangma($Dioscorea$$batatas$ Decaisne), a major domestic cultivation species. The study was done by extracting bulbil of the Dioscorea methanol and the methanol extracts was re-extracted with chloroform, ethyl acetate, $n$-butanol and water. In methanol extract of Danma and Jangma, polyphenolic compounds contained 2.2 and 3.9 mg/g extract, respectively. The ethyl acetate fraction of Danma and Jangma had higher polyphenolic contents of 33.9 and 39.1 mg/g, whereas water fractions were much lower at 2.4 and 5.8 mg/g. Determination of antioxidant activity showed that the ethylacetate fraction strong DPPH radical scavenging activity and ABTS radical scavenging activity. The inhibitory effects of methanol extracts and chloroform, ethylacetate, $n$-butanol, water fraction from bulbil of Danma and Jangma on the mutagenicity in 1-NP, $AFB_1$, Trp-P-1 were investigated using $S.$$typhimurium$ TA98. Danma and Jangma cultivars decreased the reverse mutation induced by 1-NP, $AFB_1$, Trp-P-1 in $S.$$typhimurium$ TA98. The fraction of chloroform and ethylacetate showed strong inhibitory effects, in a dose dependant manner against the mutagenicities induced by 1-NP, $AFB_1$, Trp-P-1 in $S.$$typhimurium$ TA98.
Journal of the Korean Society of Food Science and Nutrition
/
v.32
no.8
/
pp.1401-1407
/
2003
A survey of consumers' awareness and attitudes about genetically modified food and korean labelling regulation entered into force in July, 2001 was conducted from October, 2001 to January 2002. The questionnaires were distributed to 519 consumers who are members of panel survey system of Korea Consumer Protection Board and lived in 7 largest cities of Korea. The consumers were asked about knowledge, concerns of potential hazards, intention of purchasing, and present labelling regulation. More than 85.7% of the respondents had some knowledge on genetically modified (GM) foods. More than 44.9% of consumers relied on the information from the civil activity group but only 9.6% of consumers from the government. The greatest benefit of GM food was thought to be a solution for the food shortage in the future. While, regarding a potential hazard, more than 71.6% of respondents worried about the safety of GM foods. First of all, 52.2% of korean consumer concerned about food toxicity or side effect. 53.2% of consumers responded that they would not purchase GM labelled foods and about 28.0% of respondents suspended judgement on willingness to purchase until they would get more information. Regarding complement field of present GMO labelling regulation, over 45.2% of consumers responded that labelling was needed to be more easily found. Also more than 95.1% of consumers hope to expand a list of mandatory labelling articles.
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