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Paeck, Sang Hyon 한국공업화학회 2001 Journal of Industrial and Engineering Chemistry Vol.7 No.5
The effects of both rubbing force and rubbing density on polyimide alignment layers (ALs) and liquid crystal (LC) alignment were investigated, applying a wide range of pile impression and the number of rubbings. Weak rubbing creates inhomogeneous, partial modification of the AL, and in the region of weak rubbing reorientation of functional groups at the polyimide surface, orientation of the polyimide backbone along the rubbing direction, uniformity of LC alignment, pretilt angle, and azimuthal anchoring energy all increase with either pile impression (rubbing force) or the number of rubbings (rubbing density), showing a correlation between them. In the regime of strong rubbing where the AL gets sufficiently modified and the defect-free uniform alignment it thus achieved, the effects of rubbing force on these features are quite different from those of rubbing density, suggesting that the force and the density should be independently treated for the better characterization of the rubbing process. High-force rubbing further increases the modified surface area and surface polarity of the AL and consequently causes a decrease in pretilt angle and enhancement of both anchoring energy and thermal stability of pretilt angle, which doesn't occur for a greater number of low-force rubbings.
Digitalis Glycosides 가 혈장 , 적혈구 , 심근 및 근육의 전해질과 수분에 미치는 영향에 관한 실험적 연구
백성기 ( Sung Ki Paeck ) 대한내과학회 1968 대한내과학회지 Vol.11 No.11
Digitalis glycosides in therapeutic, toxic and lethal doses were administered to normal rabbits to observe the changes in the plasma and red blood cell electrolyte levels, and the electrolytes and water content of the cardiac and skeletal muscles. The resu
백병성 ( Pyung Sung Paeck ) 한국물류학회 2013 물류학회지 Vol.23 No.2
본 연구는 화주기업을 대상으로 제3자물류 서비스 제공자를 선정함에 있어 요소와 각 요소에 대한 만족도를 파악함으로써 화주기업에 대한 이해를 높이고 물류기업에서 개선해야 할 요소를 파악해 보고자 하였다. 화주기업 344개사를 대상으로 제3자물류 서비스만을 이용하는 기업군과 제3자물류와 자가물류 등을 혼용하고 있는 기업군으로 구분하였으며, 제3자물류 서비스 선정요인을 11가지 항목으로 세분하여 요인분석을 실시하였다. 분석결과, 화주기업의 측면에서는 기업물류비 절감과 핵심사업에 역량 집중이 중요요인으로 나타났으며, 화주-물류기업간 관계 차원에 있어서는 원활한 커뮤니케이션, 물류기업의 측면에서는 재고관리, 물류정보망, 물류기업의 시설 및 장비의 3가지 요소가 중요한 선정요인 것으로 나타났다. 또한, 화주기업에서 제3자 물류를 선정시 중요도와 만족도 측면에서 가장 중요한 의미를 갖는 것은 물류기업의 역량이며, 물류기업의 역량으로서는 재고관리, 물류정보망, 물류시설 및 장비를 중요한 요인으로 작용한다고 할 수 있다. This study aims to indentify elements to selection of the third-party logistics (TPL) service providers in terms of shippers` satisfaction. By doing so, this study is expected to contribute implications for improving the degree of understanding their clients` needs and the quality of their service for logistics service providers. For these purposes, the authors distinguish 344 shippers between only-TPL users and others. In additions, 11 elements are extracted as shippers` criteria for selection of TPL service providers. The results empirically support that shippers put the first priority in reducing logistics costs and focusing on core business areas; fluent communications in terms of relationship dimension; and inventory management, IT support and facilities in terms of logistics service providers. Moreover, shippers select the competitiveness of logistics service providers in terms of both importance and satisfaction and the details of competitiveness are inventory management, IT network and facilities or equipment.
증예(症例) : Kartagener 증후군 환자의 급성호흡부전-비침습적 환기치료로 호전된 1예
백경현 ( Kyung Hyun Paeck ),홍윤경 ( Yun Kyung Hong ),이가영 ( Ka Young Lee ),김소리 ( So Ri Kim ),민경훈 ( Kyung Hoon Min ),박성주 ( Seoung Ju Park ),이홍범 ( Heung Bum Lee ),이용철 ( Yong Chul Lee ),이양근 ( Yang Keun Rhee ) 전북대학교 의과학연구소 2006 全北醫大論文集 Vol.30 No.1
Kartagener 중후군 환자에서 급성호흡부전이 발생할 경우, 원인이 되는 호흡기 감염과 염증을 조기에 치료하고 이에 더불어 발생하는 심각한 호흡부전상태를 해결하기 위해 기관내 삽관을 통한 침습적 기계호흡을 대신하여 비침습적 양압환기를 시도해 볼 수 있다. 이러한 비침습적 양압환기는 효과적으로 적절한 가스 교환과 호흡근의 휴식을 가능하게 하여 생존율을 향상시키며, 반복되는 기관내 삽관 또는 기관절개술로 인한 합병증을 줄이고 언어, 식사 등의 일상생활을 가능하게 하여 삶의 질을 향상시킬 수 있는 장점을 가진다. 효과적인 비첨습적 양압환기를 위해서는 적절한 마스크의 선택과 정확한 착용이 중요하고 환자의 교육과 격려가 필요하다. 저자들은 Kartagener 증후군으로 치료받던 환자에서 폐렴과 동반되어 발생한 급성호흡부전을 항생제 치료와 함께 흡기시 양기도압과 호기시 양기도압을 조절하는 자발호흡 방식의 비첨습적 양압환기를 시행하여 성공적으로 치료하였기에 문헌 고찰과 함께 증례를 보고하는 바이다. Kartagener`s syndrome is characterized by the triad of situs inversus, bronchiectasis, and chronic pansinusitis. With pulmonary infection such as pneumonia or other certain conditions, pulmonary symptoms of Kartagener`s syndrome are aggravated and hypoventilation and hypercapnia are exacerbated. These conditions may induce acute respiratory failure (ARF). Noninvasive positive pressure ventilation (NPPV) is well tolerated and safe, and it has assumed a prominent role in the management of ARF. The attraction for NPPV relates primarily to its advantages over invasive mechanical ventilation. It is used in patients with ARF due to exacerbations in chronic obstructive pulmonary disease or cardiogenic pulmonary edema. We report a case that ARF in a patient with kartagener`s syndrome is successfully treated with NPPV.
吸光光度法에 의한 ProcaineㆍHC1과 LidocaineㆍHC의 分離定量
白采善,劉永精 朝鮮大學校 1976 綜合論文集 Vol.1976 No.-
A sensitive method for separative determining Procaine hydrochloride and Lidocaine hydrochloride in aqueous solutions is described, using Alizarin Red S as a complex forming agent. The method is based on the selective extraction of color-complex by specific organic solvent at an optimum pH and the intensity of color-complex can be quantitated spectrophotometically at 420nm. The Beer-Lambert law was adhered to over the 68.3-682.5㎍/ml of Procaine hydrochloride and the 54.2-216.8㎍/ml of Lidocaine hydrochloride. A stoichiometric relationship of 1:1.3 between Procaine hydrochloride. and the acid dye, and of 1:1.5 between Lidocaine hydrochloride and the acid dye is proved. The color was stable for at least 70min.
幽門形成術과 幽門形成 및 迷走神經切斷倂行施術이 胃液電解質에 미치는 影響에 關한 實驗的 硏究
白炳錫 우석대학교 의과대학 1967 우석의대잡지 Vol.4 No.1
This study is to evaluate the electrolyte changes in canine gastric contents following pyloroplasty and pyloroplasty with vagotomy. Six dogs were used. In 2 dogs, gastric fistula only was created and used for control. Pyloroplasty and pyloroplasty with vagotomy were performed in 2 each dogs respectively. The gastric content was obtained 1 week postoperatively, 4 times thereafter with 1 week interval. The result obtained were as follows: 1) In pyloroplasty group, the levels of sodium and potassium of the gastric content increased by 28.6% and 28.2% of the control group respectively. Choloride, however, was not remarkable changed. 2) In pyloroplasty with vagotomy group, the levels of chloride and potassium of gastric content were decreased by 33.0% and 30.6% of the control respectively. Sodium, however, was not remarkably changed.