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백윤수 한국미학회 2003 美學 Vol.35 No.-
文人對浙派的批評, 集中在浙派不能充分表現, 文人注重繪畵的 色彩和線-就是筆墨本身- 而不重視描寫自然的看法. 文人重視可以具體表現自已繪畵觀念的書法用筆法. 因此, 他門比較注重水墨畵爲主的作品活動. 且畵上題詩文, 追求和解畵與詩文. 這충文人畵這專業畵家的作品不同, 表出一定的觀念. 這觀念的具現, 局限於特殊階層固有的領域, 以强調繪畵作品作家的人品之間 有不可分리的關係. 這人品是由于社會的地位, 以受到經書詩文的敎育而養成的敎養爲前提. 但這樣的條件, 文人才可以具備的, 而專業畵家不可自我作成的, 也是不能期待的. 由於身分的界限, 專業畵家不能提起反論, 要提出反論也沒有知識. 這就是不盛行專業畵家畵論的原因, 也是不能回答文人的批判的原因. 衛택浙派而有系統的畵論, 有李開先的「中려畵品」. 李開先在畵論中, 爲文人所貶下的浙派畵家給最高品位. 例如載進, 吳偉, 陶成, 杜董等. 而元末四大家中的倪瓚和可渭南宗首長的沈周, 文徵明, 唐寅的評價低於浙派畵家. 這可渭革命性的看法. 他評價個畵家우劣的同時, 也評價一畵家的作品우劣, 努力구成系統的畵論. 但屬於狂態邪學派畵家的評價, 却給여文人類似評價, 忽視他門的意義. 「中려畵品」的限界, 不考慮他們的藝術活動, 在當時形成新思潮的陽明學的天地之中. 克服충충困難, 浙派畵家還以生動的用筆法和强烈的明暗對照來 追求他們自已的美-區別於文人追求的含蓄的美-表現生活的眞面目陽剛之美. 他們不受任何法則的制限, 以狂的心態要表現理原有的形象, 具現自已追求的美, 這樣自由自在的表現也到載進吳偉以後的畵家, 已經沒有眞率的自然探究, 流於形式化的用筆作畵, 才得狂態邪學的名稱. 由此, 浙派在中國畵壇中不故文人畵, 甚至發生畵院之中也追求文人畵的狀況. 承人爲發揮個性的努力, 他們還是陷於類似前逸品畵家追求的方法. 他們追求赤裸裸的感情表現, 但還不能認識到적겁認定欲望表現的李贄, 何心隱等的見解.
Experimental study on physical properties of nanoporous anodic aluminum oxide by proton implantation
백윤수,전지훈,정찬희,최덕현 대한기계학회 2014 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.28 No.8
Implantation is a promising method to control the surface characteristics by changing surface energy of target materials. Previously,polymer surfaces have been investigated for the change of their morphology and the corresponding contact angle after implantation. Furthermore,oxide thin films have been studied for how their surface properties are changed by implantation. However, nanoporous oxidematerials have rarely explored for the effect of implantation. Here, we investigated the effects of proton implantation on morphological,mechanical, electrical, and surface properties of anodic aluminum oxide (AAO). We prepared nanoporous amorphous AAO films withdifferent thicknesses (5 and 10 μm). Atomic force microscopy (AFM), contact angle (CA) measurements, two-probe electrical measurements,and nanoindentation were used to analyze the physical properties. By increasing fluences from 1015 to 1016 ions/cm2, CA is significantlychanged up to about 40°, but the other properties hardly changed.
A new pregnane hexaglycoside from Adonis multiflora
백윤수,정재우,이성희,백남인,박지해 한국응용생명화학회 2015 Applied Biological Chemistry (Appl Biol Chem) Vol.58 No.6
A new pregnane hexaglycoside, named amurensioside L (1), was isolated from the whole plant of Adonis multiflora. Amurensioside L (1) emerged to be new pregnane hexaglycoside which we fully spectroscopically characterized. The chemical structure of compound 1 was established as 14b,20R-epoxy-3b-hydroxypregna-4,6-dien-18-oic acid- 20-lactone 3-O-b-D-glucopyranosyl-(1 ? 4)-O-b-D-diginopyranosyl-( 1 ? 4)-O-b-D-cymaropyranosyl-(1 ? 4)-Ob- D-cymaropyranosyl-(1 ? 4)-O-b-D-oleandropyranosyl- (1 ? 4)-O-b-D-oleandropyranoside on the basis of spectroscopic analyses including nuclear magnetic resonance spectrometry, high-resolution fast atom bombardment mass spectrometry, and infrared spectroscopy.