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林先유 건국대학교 1986 論文集 Vol.22 No.1
Public enterprise owns the dual characters that one is "the public" and the other is "enterprise". The basic point of the control is to make appropriate adjustment between the two sides in order to bring enterprise into fully function. The execution of control should be based on the ground of responsibility. In democratic countries, the executive responsibility is mainly constituted by democracy, legality of expenditure, effectiveness. The essence of responsibility varies with the variety of official functions. Public enterprise endowed with the trait of business enterprise especially emphasizes the importance of efficiency. Among the public enterprises, the responsibility specified is different according to the function handled and organization form of each enterprise. Generally speaking, the economic production-business focuses on efficiency, while the public utility places more attention on the democracy. The organzation and control of the government enterprise is almost identical to the general excutive agency. As to the public corporation set up on the base of special regulations and the mixed enterprise established on company act, expressing the nature of independent autonomy, particularly reinfore efficiency, and the control is more complex. The way and degree of control of the public enterprise organized in company form are continuously changing and developing with the variance of time and the different situation of every country. Commonly speaking, the essential points of control are personnel, organization, finance and official affairs. The control agents are mainly the authority concerned the ministry of finance, parliament and the orthers such as the the judiciary, the public. Every country attaches much importance to the control of the public enterprise. Some issues require the keeping-on research and study, suck as what the enterprise autonomy that maintains the efficient management is, the differences distinguished between the general policy and the day-to-day affairs, the appropriate relationships among the enterprise, the authority concerned and the parliament. Form the viewpoints of this dissertation, the control of the public enterprise at least schould hold several principles as follows: the verification of the responsiblity, the control Personnel with specialty, and rationalization of the evaluation of the enterprise achievement.
EVOLUTION OF ORBIT AND ROTATION OF A PSEUDO-SYNCHRONOUS BINARY SYSTEM ON THE MAIN SEQUENCE
Lin-Sen Li 한국천문학회 2018 Journal of The Korean Astronomical Society Vol.51 No.1
We study pseudo-synchronous orbital motion has been studied for the binary system on the main sequence. The equations of the pseudo-synchronous orbit are derived up to $O(e^4)$ where $e$ is the eccentricy of the orbit. We integrate the equations to present their solutions. The theoretical results are applied to the evolution of the orbit and spin of binary star Y Cygni, which has the current eccentricity of $e_0=0.142$. We tabulate our numerical results for the evolution of the orbit and spin per century. The numerical results for the semi-major axes and rotational angular velocities in the evolutional time scales of three stages (synchronization, circularization and collapse time scale) are also tabulated, where synchronization is achieved in about $5\times 10^3$ years followed by circularization lasting about $1\times 10^5$ years before decaying in $2\times 10^5$ years. Some conclusions are inferred from the results obtained.
( Lin Sen Cao ),( Yong Ji Piao ),( Rui Zhang ),( Tae Dong Cho ) 한국환경과학회 2014 한국환경과학회지 Vol.23 No.5
Tourist Psychological Capacity (TPC) is an important issue of the Tourism Capacity research. We gained the tourist satisfaction through the questionnaire investigation in Mount Tai Scenic Area and obtained the tourist satisfaction function using SPSS17.0 regression analysis method. Then we got the best psychological capacity of tourists with the Marginal Satisfaction Method. Finally we verified the influencing factors on TPC. The study found that the best TPC of Mount Tai Scenic Area is 10323 persons; Female shows lower TPC than male. Moreover, female satisfaction is more easily influenced by visitors’ number increasing than male satisfaction; TPC plays negative correlation with the increasing of age. Teenagers and adults have no much difference in TPC, but the seniors present a relatively lower TPC than other; The higher education, the smaller TPC.
ORIGINAL ARTICLE : A Study on Tourist shopping needs and its spatial characteristics
( Lin Sen Cao ),( Rui Zhang ),( Yong Ji Piao ),( Tae Dong Cho ) 한국환경과학회 2015 한국환경과학회지 Vol.24 No.4
Tourists travel demand can be divided into the watch the natural landscape, such as shopping, entertainment and other projects. Each travel demand with motivation for meet the requirements of appropriate tourism space environment in order to complete. In this paper, through questionnaire investigation and SD (Semantic Differential) method for the basic attributes of shopping tourists and spatial characteristics of commercial pedestrian street. And analyzes the basic attributes of shopping as the main demand of tourists characteristics and the spatial characteristics of the suitable shopping demand, to provide a scientific basis for the design of tourist shopping space.
( Shih Sen Lin ),( Chin Cheng Lee ),( Tsrang Neng Jang ) 대한피부과학회 2014 Annals of Dermatology Vol.26 No.2
Non-tubecrulosis mycobacterium infections were increasinglyreported either pulmonary or extrapulmonary in thepast decades. In Taiwan, we noticed several reports aboutthe soft tissue infections caused by rapid growing mycobacteriumsuch as Mycobacterium abscessus, Mycobacteriumchelonae, on newspaper, magazines, or the multimedia. Most of them occurred after a plastic surgery, andmedical or non-medical procedures. Here, we reported twocases of these infections following medical procedures. Wealso discussed common features and the clinical course ofthe disease, the characteristics of the infected site, and thetreatment strategy. The literatures were also reviewed, andthe necessity of the treatment guidelines was discussed.
Sweet Spot Search of Array Antenna Beam using the Modified Genetic Algorithm and Fuzzy Logic System
Ki Hwan Eom,Kyo-Hwan Hyun,Sen Lin,Joo Woong Kim,Ji Won Shin 보안공학연구지원센터 2014 International Journal of Control and Automation Vol.7 No.10
This paper presents a method that quickly search for sweet spot of array antenna, and keep it for fast speed transmission in millimeter wave. The proposed method is the Modified Genetic Algorithm (MGA) and Fuzzy Logic system. The MGA is used to find the approximate range as a pre-processing function. And the fuzzy logic system is used to find the exact sweet spot. We can transfer and receive a large data in millimeter wave bandwidth. Because antenna signal accounts for a few bits, influence on communication performance is little. MGA operators are used one-point crossover, rank-based selection, bit string mutation, elitism and 16bit split gene. In the fuzzy logic system, Rule base inference is used the max-min inference procedure. Defuzzification is used the center of gravity computation. The efficiency of the proposed method is verified by means of simulations.
A Novel Video Image Text Detection Method
( Lin Zhou ),( Xijian Ping ),( Haolin Gao ),( Sen Xu ) 한국인터넷정보학회 2012 KSII Transactions on Internet and Information Syst Vol.6 No.4
A novel and universal method of video image text detection is proposed. A coarse-to-fine text detection method is implemented. Firstly, the spectral clustering (SC) method is adopted to coarsely detect text regions based on the stationary wavelet transform (SWT). In order to make full use of the information, multi-parameters kernel function which combining the features similarity information and spatial adjacency information is employed in the SC method. Secondly, 28 dimension classifying features are proposed and support vector machine (SVM) is implemented to classify text regions with non-text regions. Experimental results on video images show the encouraging performance of the proposed algorithm and classifying features.
A Novel Video Image Text Detection Method
( Lin Zhou ),( Xijian Ping ),( Haolin Gao ),( Sen Xu ) 한국인터넷정보학회 2012 KSII Transactions on Internet and Information Syst Vol.6 No.3
A novel and universal method of video image text detection is proposed. A coarse-to-fine text detection method is implemented. Firstly, the spectral clustering (SC) method is adopted to coarsely detect text regions based on the stationary wavelet transform (SWT). In order to make full use of the information, multi-parameters kernel function which combining the features similarity information and spatial adjacency information is employed in the SC method. Secondly, 28 dimension classifying features are proposed and support vector machine (SVM) is implemented to classify text regions with non-text regions. Experimental results on video images show the encouraging performance of the proposed algorithm and classifying features.
Experimental and numerical studies of miniature bar-typed structural fuses with Teflon pads
Sen Yang,Yan Liu,Yu Lin,Dongzhi Guan,Hanbin Ge,Zhengxing Guo,Wenguang Liu 국제구조공학회 2021 Steel and Composite Structures, An International J Vol.41 No.4
Many studies have proved that structural fuses could improve the seismic performance of structures efficiently. A structural fuse named the miniature bar-typed structural fuse (MBSF) has been proposed and investigated by the authors, which consists of a central core bar, a confining tube. To further improve the mechanic performances of the MBSFs under compressive loadings, Teflon pads are introduced to adjust the contact and friction status between the core bar and the confining tube. Three groups of specimens were discussed including the specimen with a single cutting line (SC), the specimen with double cutting lines (DC), and the specimen with triple cutting lines (TC). The results show that the hysteretic performances of the fuses are improved with the help of Teflon pads. The compression strength adjustment factor declines when Teflon pads are appended. Numerical and theoretical analyses are also conducted which expounded the effect of the Teflon pads. Different plastic buckling deformation principles of the core bars are compared by the theoretical analysis. It is shown that Shanley’s theory fits the numerical results well, which is recommended for the theoretical calculation of the proposed MBSFs.