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張炳周 慶北工業專門大學 1970 論文集 Vol.7 No.-
It is known fact that the fuel consumption ratio of an automobile engine is greatly affected by the compression ratio, ignition timing, the kinds of ignition plug, main nozzle of carburettor and the resistance of intake and exhaust manifolds system. And those of mechanical elements, such as the choice of final reduction gear ratio, rotational friction of revolving parts and the weight of vehicle, also affect the fuel consumption ratio. In this paper, author studied that these factors-i/D, ??, G, � and F-which are analyzed theoretically through the mechanical efficiency, affect the fuel consumption ratio of an engine.
崔鳳煥 慶北工業專門大學 1974 論文集 Vol.11 No.-
Study on noise characteristic of high frequency elements, noise and noise flgure of transistor and input impedance. Which in clude internal noises of electronics circuits.
南相千 慶北工業專門大學 1974 論文集 Vol.11 No.-
The purpose of this paper is to compare electrical and mechanical characteristics of the aluminium conductor power cable with those of the copper conductor power cable, especially to make a comparison between the cost of the former and that of the latter.
姜淙熙 慶北工業專門大學 1974 論文集 Vol.11 No.-
The silver salts were conveniently prepared by addition of a slight excess of silver oxide to an acetonitrile solution of the sulfonic acid. Evaporation of the solvent gave the silver salts in excellent yield and purity. Some benzyl arene sulfonate were prepared by the reaction of silver arenesulfonates with benzylbromide. Identified by elemental analysis and discussed physical properties, e.g. stabilities of benzylarenesulfonates. The resalts of that properties were decreased this order p-NO₂=m-NO₂>p-Br>H>p-Me>p-MeO.
徐錫喆 慶北工業專門大學 1974 論文集 Vol.11 No.-
By putting lubricating oil in compressor, We can make driving condition of refrigeration smoothly and efficiently. But in studing the efficiency of heat within compressor, the mixed condition of Freon and refrigerator and that of a kind of compressor, We can seperate as lubricating oil from refrigerator as possible. Especially, from Freon mixing oil we are deprived of moisture, So till we use oil in Freon, We must not lift the lid, and keep low condition of temperature of lubricating oil in compressor, We are deprived of chemical action erosiving in the various portions. There fore we can use oil cooler with the essential appurtenance of refrigeration. Especially, it can make refrigerator efficially. Refrigeration technician and serviceman can drive the refrigeration well
柳德桓 慶北工業專門大學 1973 論文集 Vol.10 No.-
The investigation and Comparison have been done on the pysical and chemical properties of velvet made in Korea and velvet in foreign Country. Following is the result of it. 1. The yarns of two kind velvets are quite different. The warp, weft yarn and pile of the velvet made in foreign country are viscose rayon while and weft yarn of velvet made in Korea are nylon and pile is acetate. 2. Resin finishing agents of two fabrics are quite different. Dimethylol uron resin treatment is used on velvet made in foreign country and urea treatment on velvet made in korea. It is shown that above two reason make difference between two qualities of pile goods and other physical properties don't influence the quality of goods.
呂甲基 慶北工業專門大學 1975 論文集 Vol.12 No.-
The uses of the progressive, especially in Jane Austen's Pride and Prejudice, are treated in this paper. The combination of the verb be with the present participle is known as the progressive, because it generally denotes an action or a state as continuing. The simpler form denotes an act as a fact, while the progressive usually expresses the idea of continuance. This form is also used to express different shades of the idea of emotion, expressing pleasure, displeasure, praise, censure, etc. With the auxiliary verb can, the progressive is used to denote an action going on at the present moment. The pattern be+presnet participle is used to denote future time. The progressive of to go with an infinitive is used to express an intention or future time.
李茂洛,李壽甲 慶北工業專門大學 1976 論文集 Vol.13 No.-
The shear stress characteristics of sand is differented according to grain distribution, porosity after consolidated andlateral pressure. And then, I experimentd with consolidated undrained triaxial test using the samples obtained from the Waegwanbridge, the Goryong bridge, the Weechun bridge and the Chungchean. The results are as follows; I found out that the sand having small uniformity coefficient showed great friction angle and secant modulus of failure E? under the small lateral pressure, and the base having great E? could have shallow ddpth of foundation according to the conception of Rankine's limit bearing stress.