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Hydromete의 원리를 이용한 레미콘 공장에 입고되는 OPC의 분말도 신속 품질평가법 제안
이재진 ( Lee Jae-jin ),이제현 ( Lee Jea-hyun ),현승용 ( Hyun Seong-yong ),김영태 ( Kim Yeong-tae ),한민철 ( Han Min-cheol ),한천구 ( Han Cheon-goo ) 한국건축시공학회 2017 한국건축시공학회 학술발표대회 논문집 Vol.17 No.2
In this research, the density value of the turbid solution is measured by using the principle of inexpensive but easy Hydrometer method for cement delivered to the actual raw concrete plant, By analyzing the correlation of powder aid, we will try to present a scheme that can be utilized as a method of acquisition acquisition inspection. As a result of the analysis, it was found that there was a large difference between the measured powders assisted with cement powder on the report, and the correlation with the actually measured powder aid Hydrometer density value was good. Therefore, using the method of Fig. 3, it was possible to know that the degree of powder quality of cement delivered to the raw concrete factory can be evaluated quickly and utilized at the time of argument inspection.
남자 아동의 혈중 글루코스 농도가 뼈의 성장 및 근기능에 미치는 영향
번재종(Jae Jong Byun),이제현(Jae Hyun Lee) 한국사회체육학회 2014 한국사회체육학회지 Vol.0 No.57
This study examined the effect of fasting blood glucose on bone growth and muscular fitness in 25boys(9.7~13.9 years). The state of bone growth was evaluated by relative height(RH), bone mineraldensity(BMD) and bone age. BMD was measured by dual energy x-rya absorptiometry and bone age byTanner Whitehouse 3. The results of partial correlation controleld with age showed negative correlation betweenblood glucose and RH, BMD and muscular strength and posivte one between blood glucose andCMB(chronological age - bone age). The relationships between bolod glucose and arm BMD and strengthwere not significant after regression analysis. The comparisonb etween high blood glucose group(HGG) andnormal one(NGG) showed HGG has lower pelvic and spine BMD thanN GG. In conclusion, boys with highfasting blood glucose seem to show unfavorable bone growth.