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Pawar, Rajendra C.,Um, Ji Hyun,Kang, Suhee,Yoon, Won-Sub,Choe, Heeman,Lee, Caroline S. Elsevier 2017 ELECTROCHIMICA ACTA Vol.245 No.-
<P><B>Abstract</B></P> <P>A range of morphology-controlled hematite superstructures, including two-dimensional sheet assembly, microspheres with a vein-like network, hollow urchin with tapered nanorods, and flowers with porous branch-like structures, were obtained from different solvents via the solvothermal approach. The results showed that the variation of the solvent from protic to aprotic facilitated morphological modifications, with the solvent playing a key role in determining the overall architecture of the oxide particles under different polar conditions. A porous microsphere grown from water solvent delivered a reversible capacity of 880mAhg<SUP>−1</SUP> over 60 cycles at 200mAg<SUP>−1</SUP> with good rate stability. Here, the bicontinuous nanoporous structure, with well-developed mesoporosity in the microsphere, reduced the severity of volume changes during the cycling process and stabilized passivation layer growth. The hematite nanostructure grown from water/dimethylformamide solvent exhibited the highest photocurrent density of 190μA/cm<SUP>−2</SUP> vs. Ag/AgCl, which was attributed to the rapid transport of charge carriers in the porous nanostructure. Thus, solvent-mediated synthesis can be used to prepare a range of hematite porous nanostructures for use as an anode in lithium-ion batteries and as a photoanode in photoelectrochemical cells, as well as for water splitting, gas sensors, and catalytic applications.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Solvent polarity induced α-Fe<SUB>2</SUB>O<SUB>3</SUB> nanostructures via solvothermal method. </LI> <LI> Polar aprotic/protic solvent controls growth kinetics. </LI> <LI> Excellent lithium ion storage and photoelectrochemical properties. </LI> <LI> Mesoporus structure improves the actives sites and performances. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>Cycle performance of the porous microsphere grown from H<SUB>2</SUB>O solvent at 200mAg<SUP>−1</SUP> compared to similar hematite structures from the literature with veins network (inset TEM image).</P> <P>[DISPLAY OMISSION]</P>
협동유우진료소(協同乳牛診療所)를 중심(中心)한 서울근교(近郊) 유우질환(乳牛疾患)의 연간조사보고(年間調査報告) (II)
정창국,남정현,김정배,서정순,최중범,박근영,차종상,Cheong, C.K.,Nam, J.H.,Kim, J.B.,Sub, J.S.,Choi, C.B.,Park, K.Y.,Cha, J.S. 대한수의학회 1967 大韓獸醫學會誌 Vol.7 No.2
Number of dairy cow patients diagnosed and treated at Hyup Dong Large Animal Clinic during the year, October 1, 1966, through September 30, 1967, were amounted to 1,119 cases and the result of analysis of disease incidence during one year period were as follow: 1. In the etiologic diagnostic categories, diseases cause by infection with lower organism were most productive and 43.3% of all diagnosis involved in this category. 2. In the topographic diagnostic categories, 37.3% of all diagnosis involved the urogenital system and were observed most productive. 3. As a result of each topographic diagnostic categories were subdivided into disease entities, 21.4% of all diagnosis involved the mastitis and this were observed most productive in the miscellaneous disease entities. Next productive disease were indigestion (11.9%), endometritis(11.5%), miscellaneousl ovarian disease(11.1%) and retained placenta(81.1%) chronologicaly.
김혜진,변춘원,김성은,이정익,Kim, H.J.,Byun, C.W.,Kim, S.E.,Lee, J.I. 한국전자통신연구원 2018 전자통신동향분석 Vol.33 No.6
Sensory devices have been developed to help people with disabled or weakened sensory functions. Such devices play a role in collecting and transferring data for the five senses (vision, sound, smell, taste, and tactility) and also stimulating nerves. To provide brain or prosthesis devices with more sophisticated senses, hyper sensory devices with a high resolution comparable to or even better than the human system based on individual neuron cells are essential. As for data collecting components, technologies for sensors with higher resolution and sensitivity, and the conversion of algorithms from physical sensing data to human neuron signals, are needed. Converted data can be transferred to neurons that are responsible for human senses through communication with high security, and neural interfaces with high resolution. When communication deals with human data, security is the most important consideration, and intra-body communication is expected to be a candidate with high priority. To generate sophisticated human senses by modulating neurons, neural interfaces should modulate individual neurons, and therefore a high resolution compared to human neurons (~ several tens of um) with a large area covering neuron cells for human senses (~ several tens of mm) should be developed. The technological challenges for developing sensory devices with human and even beyond-human capabilities have been tackled by various research groups, the details of which are described in this paper.
차인호(In Ho Cha),한지훈(Ji Hoon Han),이정구(Jeong Gu Lee),이충국(Choong Kook Lee),권칠성(C. S. Gwon),오성섭(Seong Sub Oh),김일현(Il Hyun Kim),정세용(Sei Yong Chung) 대한악안면성형재건외과학회 1987 Maxillofacial Plastic Reconstructive Surgery Vol.9 No.1
This is a case of bilateral bony ankylosis of temporomandibular joint with severe micrognathia corrected by use of metallic condylar prosthesis after ramal surgery and coronoidotomy and then body osteotomy with graft of Pyrost(R) and chin augmentation with Medpor(R). The Postoperative results were good functionally and esthetically.