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성대에어로빅치료법이 음성장애환자의 음성개선에 미치는 효과
박준희,유재연,이하나 한국음성학회 2019 말소리와 음성과학 Vol.11 No.3
This study aimed to investigate the effects of vocal aerobic treatment (VAT) on the improvement of voice in patients with voice disorders. Twenty patients (13 males, 7 females) were diagnosed with voice disorders on the basis of videostroboscopy and voice evaluations. Acoustic evaluation was performed with the Multidimensional voice program (MDVP) and Voice Range Profile (VRP) of Computerized Speech Lab (CSL), and aerodynamic evaluation with PAS (Phonatory Aerodynamic System). The changes in F0, Jitter, Shimmer, and NHR before and after treatment were measured by MDVP. F0 range and Energy range were measured with VRP before and after treatment, and the changes in Expiratory Volume (FVC), Phonation Time (PHOT), Mean Expiratory Airflow (MEAF), Mean Peak Air Pressure (MPAP), and Aerodynamic Efficiency (AEFF) with PAS. Videostroboscopy was performed to evaluate the regularity, symmetry, mucosal wave, and amplitude changes of both vocal cords before and after treatment. Voice therapy was performed once a week for each patient using the VAT program in a holistic voice therapy approach. The average number of treatments per patient was 6.5. In the MDVP, Jitter, Shimmer, and NHR showed statistically significant decreases (p < .001, p < .01, p < .05). VRP results showed that Hz and semitones in the frequency range improved significantly after treatment (p < .01, p < .05), as did PAS, FVC, and PHOT (p < .01, p < .001). The results for videostroboscopy, functional voice disorder, laryngopharyngeal reflux, and benign vocal fold lesions were normal. Thus, the VAT program was found to be effective in improving the acoustic and aerodynamic aspects of the voice of patients with voice disorders. In future studies, the effect of VAT on the same group of voice disorders should be studied. It is also necessary to investigate subjective voice improvement and objective voice improvement. Furthermore, it is necessary to examine the effects of VAT in professional voice users.
박준희,손영성,박동환,조준면,배명남,한미경,이훈기,최진철,김현,황승구,Park, J.H.,Son, Y.S.,Park, D.H.,Cho, J.M.,Bae, M.N.,Han, M.K.,Lee, H.K.,Choi, J.C.,Kim, H.,Hwang, S.K. 한국전자통신연구원 2018 전자통신동향분석 Vol.33 No.1
IoT is used not only as a technical terminology but also as a paradigm representation. As the number of IoT devices spread tremendously throughout the world, they are able to be located anywhere,recognize their environment, and achieve adaptable reactions. All market investigation agencies expect the number of IoT devices to reach tens to hundreds of billions in number. They also expect various technical problems owing to the huge number of connected things and data that will emerge during the AI era. The decentralization of centralized computing for AI is the one of the technical solutions to such problems, and the computing roles for AI will be soon distributed into the things, which can be located anywhere. In this article, the traditional distributed intelligence and its current research activities are introduced, and the next distributed intelligence target for the IoT 2.0 era is briefly touched upon using the keyword Socio-Things.
콜레스테릭 액정 셀에서 염료를 이용한 Color Shift 제거
박준희,오승원,윤태훈,Park, Jun-Hee,Oh, Seung-Won,Yoon, Tae-Hoon 한국광학회 2015 한국광학회지 Vol.26 No.2
We propose a reflective cholesteric liquid crystal cell with reduced color shift, using dichroic dyes. Color-shifted light is absorbed by dye molecules in the proposed dye-doped cholesteric liquid crystal (DDCLC) cell. We have shown that the color shift can be reduced by increasing the concentration of dye molecules in the proposed DDCLC cell.
박준희,손영성,박동환,김현,황승구,Park, J.H.,Son, Y.S.,Park, D.H.,Kim, H.,Hwang, S.K. 한국전자통신연구원 2019 전자통신동향분석 Vol.34 No.1
The role of Internet of Things (IoT) has been evolving from connectivity to intelligent and autonomous functions. The increase in the number of connected things and the volume of data has revealed the limit of cloud-based intelligent IoT. Meanwhile, the development of microprocessors for the IoT has enabled their intelligent decision making and reactions without the intervention of the cloud; this phase is referred to as the "autonomous IoT era." However, intelligence is not the only function of the IoT. When a cyber physical system (CPS) is running on the cloud, the real-time synchronization between the real and virtual worlds cannot be guaranteed. If a CPS is running on the IoT, both the worlds can be synchronized closely enough for a zero- time gap, i.e., achieving the goals of autonomous IoT. ETRI implements intelligence into the role of IoT and collaborates their decision making and reactions without the intervention of humans. Then, we focus on the development of a new IoT computing paradigm that enables human-like discussions.
박준희,도남용,Park, Jun Hee,Do, Nam Yong 대한후두음성언어의학회 2015 대한후두음성언어의학회지 Vol.26 No.1
Post-thyroidectomy dysphonia occurs very frequently. Causes of dysphonia include recurrent laryngeal nerve (RLN) or external branch of superior laryngeal nerve (EBSL) injury, intubation, laryngotracheal fixation and other causes. Patients commonly characterized hoarseness or their voice impairment inability to short or sing and loss of loudness. Although complete recovery can be expected mostly in 3 months without obvious nerve injury, dysphonia lowers patients quality of life. The present review discuss the very kinds of causes of post-thyroidectomy dysphonia.
박준희,정다희,고예린,최용석,홍병희,이주영 한국섬유공학회 2019 Fibers and polymers Vol.20 No.12
Batteryless wearable technology has wide applications. In particular, human body surface temperature controllingfabrics can help regulate skin temperature in heat or cold. This study investigated surface temperature distribution of thefabrics coated with reduced graphene oxide (rGO) on simulated human body skin conditions at 18 oC (cool) and 27 oC(neutral) ambient air temperatures. Polyester fabrics were spin-coated with a graphene-oxide (GO) solution of 0.2 wt%. Preparation of rGO was processed by using a microwave oven (MW-rGO). Non-treated fabric (CON) was compared to GOand MW-rGO. The surface temperature of a hot plate was maintained at 35 oC or 40 oC. The test fabrics were put on theheated hot plate or non-heated-outer portions of the hot plate. Surface temperatures of MW-rGO on the heated hot plate at anair temperature of 18 oC (cool) were higher than those of non-treated fabric (CON) under the same conditions (p<0.01). Noeffects from the graphene treatment were found on non-heated portions of the graphene oxide fabric (GO) or the reducedgraphene oxide fabric (MW-rGO). On the non-heated portions, surface temperatures were higher at the location closer to thehot plate compared to the location farther from the hot plate (p<0.05). These results partially represent thermal effects ofMW-rGO under a specific environment and heat source. Our findings enable an application of reduced graphene oxide tobody temperature regulating clothing.
야생 초피(Zanthoxylum piperitum De Candolle)잎의 향기성분
박준희,차원섭,오상룡,조영제,이원영 한국식품영양학회 2000 한국식품영양학회지 Vol.13 No.5
Wild Chopi leaves were harvested near Chounghwa Mt. Sangju city in Kyungpook province. Chopi leaves were dried naturally and crushed with and without blanching. From mechanical analysis(GC). fifty five peaks were identified as volatile materials in no blanching leaf. Among the fifty five peaks, twenty three peaks were identified as hydrocarbones(dodecane, sabinene, myrcene etc.), ten peaks as alcohols (isobutylalcohol. cis-pentenol, 1-pentenol, 1-penten-3-ol etc.), seven peaks as aldehydes (3-methylbua-tanal, hexanal, 2,6-dimethyl hept-5-al etc.), four peaks as ketones(3-hydroxy-2-butanone, 2-nonanone, 2-undecanone, 2-tridecanone) and six peaks as esters ( cis-3-hexenyl acetate, linalyl acetate. citronellyl acetate, nervy acetate etc.). Other peaks were founded as 3-cyano-2,5-dimethylpyrazine, dimethyl sulfide, chloroform, 1,8 cineole. Thirty five peaks were identified as volatile materials in blanching leaf. Twenty peaks were identified as hydrocarbones(1,1-oxybis-ethane, $\alpha$-pinene, camphene. myrcene, $\beta$-phellan-drene, $\beta$-caryophyllene etc.), as alcohol(L-linalool, (-)-isopulgerol, $\alpha$-terpineol. citronellol etc.), as aldehydes(nonanal, citronellal), as ketones(2-undecanone, 2-tridecanone etc.) and as esteres(citronellyl acetate. cis-3-hexenyl acetate, neryl acetate etc.). Other peaks were found as 3-cyano-2,5-dimethyl-pyrazine. The amount of volatile materials such as $\alpha$-pinene, myrcene, $\beta$-phellanderene, L-linalool, citronellal, citronellyl acetate, $\beta$-caryophyllene were detected abundantly among the volatile materials.