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姜晉圭,金鼎柱 경희대학교 체육과학연구소 1989 體育學論文集 Vol.17 No.-
In order to make an analysis of baseball player's dental Injuries, a survey was taken with data records and true state affairs of 39 elementary school baseball players, 57 junior high school baseball players,48 high school baseball players,44 college baseball players, and 33 players of a sponsored company team, which total 221 players. Besides the survey, an oral examination, and a radiological examination by pantomography, and an interview taken one person at a time, was what holped me get the following results and conclusion. 1. By abration of junior high school, high school, players of a sponsored company team baseball player's ages were 18.1 ± 2.3 years old, 20.4 ± 3.3 years old, 27.6 ± 6.3 years old, 31.9 ± 4.9 years old, while the difference of the practical age was 4.1 ± 2.4 years old, 3.6 ± 3.4 years old, 7.4 ± 6.1 years old, and 6.9 ± 4.4 year old. 2. By each position of abration of the catchers, infilders, outfilders, and pitchers the age was 23.6 ± 7.3 years, 23.7 ± 7.1 years, 22.4 ± 6.1 years, 25.1 ± 6.0 years old, while the difference of the practical age was 4.5 土 5.9, 5.2 ± 4.1, 5.2 ± 4.1, 5.8 ± 4.9. 3. By the career abration years were from 5 years and under 6-10 years, 11-15 years and 16 years and over the age were 18.5 ± 2.7 years old, 23.1 ± 5.8 years old, 29.3 ± 5.5 years old, 34.2 ± 5.3 years old, The difference of the practical age were 4.0 ± 2.6 years old, 5.2 ± 5.1 years old, 6.7 ± 5.3 years old, and 7.4 ± 4.1 years of age. 4. Each of the teams ratio possession of tooth fracture were elementary schools with 15.4%, junior high school with 17.5%, high school with 35.4%, college with 59.1% and teams sponsored by a company with 45.5%. 5. The ratio of tooth fracture in each a defense position were 43.5% for a catcher, 31.8% for a in fielder, 25.8% for an out-fielder, 41.7% for a pitcher. 6. The frequency of tooth fracture in each tooth were in the maxilla with 79, and the mandible with 27. 7. The ratio of lost teeth for a baseball player was 10.1% for the ages 12-17,30.1% were the ratio of lost teeth for the ages of 18-34, and 35 years and over didn't show a ratio for lost teeth.
Effects of Non-Poisson Transcription Dynamics on Mean mRNA Number Dynamics in Living Cells
강진규,박성준,김지현,성재영 대한화학회 2019 Bulletin of the Korean Chemical Society Vol.40 No.8
Time elapsed for the first transcription event is far longer than the time interval between subsequent transcription events. This is because the previous RNAP occupied the promoter site and therefore the next RNAP must wait until the previous RNAP to finish its initial binding process.
姜晉奎 慶北專門大學 (영주경상전문대학) 1981 慶北專門大學 論文集 Vol.3 No.-
In this study, I have studied in order the valuation theory about general assets. And I'm going to explain the accounting theory established by the postulate of stability in the monetary value due to the fast variation of price level facing many countries of the world. In addition, I'm going to explain the merits and demerits of the market basis and the cost or market whichever is lower basis, with stress on the cost basis in the position of the Dynamic. In this study I intend to help those who are engaged in the practice of business and those who are interested in accounting through the comprehensive survey of the ways of indicating assets valuation by comparing and analyzing the commercial law, the tax law and the rule of financial statement in Korea, lying stress especially on the business accounting principles out of various regulations about assets valuation. Worrying about the result that can be produced by misinterpretation of the terms used differently in the regulations of the regulations of the business accounting principles and the commercial law. Here, I try to find out proper terminologies about the accounting theory, And I'm going to study the above mentioned points by comparing and analyzing the various regulations based on the basic books about the accounting theory.
강진규 大田工業大學 1988 한밭대학교 논문집 Vol.5 No.2
This paper describes the determination of optimal software release time, which call be modeled by considering total average cost, software quality (reliability), deadline for software release, simultaneously. Total average cost function has two forms concerning the release time, i.e., early release or late release. Software quality can be measured through either conditional reliability giver prescribed mission time or expected time for next failure. Thus, determination model of optimal software release time is described by mathematical programming with total average cost as objective function and software quality requirement as constrait. The necessary and sufficient conditions for optimal release time are devided into 7 categories, furthermore, deadline for release, length of mission time, penalty function and benefit function are key factors in solving the problem.
Mechanistic Study of Ni/CeO2-catalyzed CO2/CH4 Reaction Using Flow and Static Methods
강진규,Joong-Seok Roh,김지영,이성한,최중길 대한화학회 2016 Bulletin of the Korean Chemical Society Vol.37 No.8
Ni/CeO2 catalysts with different Ni loadings (5, 7, 10, 12, and 14 wt% Ni) were prepared by an impregnation method and examined for the CO2 reforming of methane using flow and static reactors. Their catalytic activities and selectivities were measured under CO2/CH4/Ar (=5/5/40 cm3/min) flow at 450–800°C using a flow reactor system with an on-line gas chromatography. At fixed temperature, the CO2 and CH4 conversions varied only slightly with the Ni wt%, whereas the H2/CO ratio increased with increasing Ni wt%. The conversions increased with temperature, reaching 98% at 800°C. The H2/CO ratio varied with temperature in the range of 450–800°C, from less than 1 below 550°C to close to 1 at 550–600°C and then back to less than 1 above 600°C. The apparent activation energies were determined to be 43.1 kJ/mol for the CO2 consumption and 50.2 kJ/mol for the CH4 consumption based on the rates measured for the reforming reaction over 5 wt% Ni/CeO2 catalyst at 550–750°C. Additionally, the catalytic reforming reaction at low pressure (40 Torr) was investigated by a static reactor system by using a differential photoacoustic cell, in which the rates were measured from the CO2 photoacoustic signal data at early reaction times over the temperature range of 460–610°C. Apparent activation energies of 25.5–30.1 kJ/mol were calculated from the CO2 disappearance rates. The CO2 adsorption on the Ni/CeO2 catalyst was investigated by the CO2 photoacoustic spectroscopy and Fourier transform infrared spectroscopy. Feasible side reactions during the catalytic CO2/CH4 reaction were suggested on the basis of the kinetic and spectroscopic results.