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압밀과 포화수준에 따른 분쇄 Coir 혼합 펄라이트의 수분보유력과 수리전도도
김기림(Gi-Rim Kim),우현녕(Hyun-Nyung Woo),김혜진(Hye-Jin Kim),박미숙(Mi-Suk Park),송진아(Jin-A Song),송태용(Tae-Yong Song),장효주(Hyo-Ju Jang),정덕영(Doug-Young Chung) 한국토양비료학회 2011 한국토양비료학회지 Vol.44 No.6
This investigation was performed to determine the hydraulic conductivity coefficient and water holding capacity for a specified compaction forces which are the amount of mechanical energy applied to the porous granule (PG) volume. Most current specifications of minerals and perlite as growth media require to be compacted to a specified density, which in general is equivalent to a certain percentage of laboratory compaction. The water holding capacity of the saturated PG was very large at potential above <SUP>-1</SUP> bar compared with perlite, but very little water remained below this value. The water holding capacity and hydraulic conductivity characteristics of graded PG amended with the ground coir less than 2 mm in diameter were also determined from pressure outflow data. The saturated hydraulic conductivity of the saturated and compacted PG was slightly lower by more than one tenth order of magnitude at equal matric potentials of perlite, but when expressed on the basis of equal water deficits, the conductivity of PG was higher at all but the smallest deficits than those of perlite.
박주용,김형섭,옥용주,송진아,이종호,김명진,최성원,Park, Joo-Yong,Kim, Hyung-Sup,Ok, Yong-Ju,Song, Jin-A,Lee, Jong-Ho,Kim, Myung-Jin,Choi, Sung-Weon 대한악안면성형재건외과학회 2005 Maxillofacial Plastic Reconstructive Surgery Vol.27 No.4
Metastatic tumours to oral soft tissue are uncommon and accounts for approximately 1% of malignant oral neoplasms. Because of its rarity and clinical appearance of benign nature, the diagnosis of a metastatic lesion in the oral soft tissue may be challenging, both to clinicians and pathologists. We analyzed the clinical data of 9 patients who had metastatic carcinoma to oral soft tissues. The metastatic site to oral soft tissue was the gingiva in all cases. The most common primary site was lung (6 cases) followed by liver (2 cases) and breast (1 case). The clinical appearance resembled gingiva hyperplasia, pyogenic granuloma or gingival swelling. In one case, the metastatic gingiva lesion was found before detection of primary cancer. The mean survival time after diagnosis of metastatic lesion was 3 months. Although this metastatic lesion is rare, oral and maxillofacial surgeon should recognized that benign inflammatory lesion may be the metastatic malignant lesion or the first sign of undiagnosed underlying malignancy.