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도재용(陶材用) 비귀금속(非貴金屬) 합금(合金)의 재사용(再使用)에 따른 결합강도(結合强度)의 실험적(實驗的) 측정(測定)
소명섭,So, Myung-Sub 대한치과기공학회 1989 대한치과기공학회지 Vol.11 No.1
Bond strength between alloy and ceramic plays an important role in deciding the quaring the processing of metalceramic restorations. Now the author had an experiment on the measurement of bond strength differences accoding to the contents of recast alloy used during the processing of metal-ceramic restorations. In the experiment, Anusavice's Planar Interface Shear Bond Test was employed to determine the bond strength. Total 25 specimens were divided as 5 groups, that is, 5 specimens in a group respections : Group I (new alloy 100%) Group II (new 75%$\cdot$recast 25%), Group III (new 50%$\cdot$recast 50%), Group IV (new 25%$\cdot$recast 75%), Group V(recast 100%). All specimens examined micropically and respective strength values of the group specimens were checked simultaneously. The results were as follows, 1. In the analtsis of variance the result showed the significant differences of 1%(P<0.01) among the each group classifid according to the recast contents. 2. When the interfaces of specimens were examined with an electron microscope, the air bubble were evenly occurred in all the specimens, and the occurrence frequencies and the sizes of air bubble were different between Group I and Group III, especially marked different Group I and Croup V. 3. In respective verification of each group through T-test, between Group I and Group II, between Group I and Group III did not show significant differences. 4. There was significant difference between Group I and Group IV, between Group I and Group V as 1%(P<0.01). 5. In the Shear Bond Test of all the groups, Croup V showed the lowest value. Explanatoion of Figures Fig 1. Main fracture type of metal-porcelain interlace showed in group I, II, III from shear Bond Test resets. Fig 2. Main fracture type of metal-porcelain interface showed In group Ⅳ, Ⅴ form shear Bond Test resets. Air bubble and their size appeared around interface of metal-porcelain. Fig 3. Group I, Fig 4. Group II Fig 5. Group III, Fig 6. Group IV, Fig 7. Group V.
국제사회 : 한국 군 인트라넷 사용이 신세대 장병들의 군복무만족도에 미치는 영향
소명섭 ( Myoung Seop So ),임재욱 ( Jei Uk Leem ),이종구 ( Jong Gu Lee ) 국제지역학회 2012 국제지역연구 Vol.16 No.3
본 논문은 20대 병영생활을 하는 인적자원들이 2년의 복무기간동안 보다 효율적인 시간관리와 정신적·육체적 건강관리를 통해 사회에 환원될 수 있도록 군복무에 대한 만족도에 군 인트라넷이 어떤 영향을 미치는 지에 대한 실상을 분석하는데 목적이 있다. 이는 개인적으로나 국가적인 차원에 있어 군복무의 효율적인 운영이라는 차원에서 시사하는 바가 매우 클 뿐만 아니라 향후 신세대 예비 군복무자들에게 있어 자기관리에 필요한 유용한 정보를 제공할 수 있는 지침이 되기 때문이다. 본 연구는 인터넷 세대로 이루어진 20대 초반의 신세대 장병들에게 군 인트라넷이 군복무 만족에 어떤 영향을 미치는지 그 요인을 분석하는 동시에 아울러 이것을 군조직 차원에서 효율적인 활용을 위해 정보를 제시하는데 그 의의를 두고자 한다. 결론적으로 인트라넷은 복무만족에 효과적으로 영향을 미치는 중요한 요인이자, 수단이라는 것이 입증되었으며 나아가 군조직에서 적용되고 있는 인트라넷 망을 단순업무나 전파수단이 아닌 조직의 전략과 목표달성을 위해 보다 한 차원 높은 군 인트라넷 활용으로 발전시켜야 한다는 시사점이 도출되었다. This thesis aims to analyzing the fact that how the Korean troops Intranet impacts on military service satisfaction to give something back to the community by doing time management, mental and physical health care of human resources who are in an army life in their 20`s. This is full of suggestions as efficient operation of military service at the national and personal level. Also, this is able to be a guideline that provides useful information about self-discipline to new generation soldiers. This study regards it as meaningful to analyze causes that how the Korean troops Intranet impacts on military service satisfaction and provide information for effective utilization to new generation soldiers in their 20`s consisted of the Internet generation at a military organization level. In conclusion, the Intranet has proved as important causes and tools that influence job satisfaction effectively. Also, the fact that the Intranet used in military organization should be developed to be useful to achieve their goal not to simple work or a means of transmission has came up.