http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
토끼에서 Etofenprox와 Spinosad 합제의 국소자극성 시험
황윤환,김명석,송인배,박병권,양승호,임용현,송치용,안성한,남현수,임정교,정상일,명노일,윤효인 忠南大學校 獸醫科大學 附設 動物醫科學硏究所 2008 動物醫科學硏究誌 Vol.15 No.1
This study was performed to evaluation the skin and eye irritation of etofenprox 8% and spinosad 4% combination in male New Zealand White rabbits. In skin irritation test, the combination of etofenprox and spinosad did not showed any change of body weight but caused slight skin irritation with the P.I.I. (primary irritation index) value 0.25. The etofenprox and spinosad combination showed severe eye irritation 1 h, 24 h, 48 h, and 72 h after ocular treatment, having the A.O.I. (acute ocular irritation) value of 37.3. Therefore, these result indicated that the combination of etofenprox and spinosad might be irritant formulation on eye and skin.
Full-space Cloud of Random Points with a Scrambling Metasurface
Li, Zile,Dai, Qi,Mehmood, Muhammad Q.,Hu, Guangwei,yanchuk, Boris Luk’,Tao, Jin,Hao, Chenglong,Kim, Inki,Jeong, Heonyeong,Zheng, Guoxing,Yu, Shaohua,Alù,, Andrea,Rho, Junsuk,Qiu, Cheng-Wei Nature Publishing Group UK 2018 Light, science & applications Vol.7 No.1
<▼1><P>With the rapid progress in computer science, including artificial intelligence, big data and cloud computing, full-space spot generation can be pivotal to many practical applications, such as facial recognition, motion detection, augmented reality, etc. These opportunities may be achieved by using diffractive optical elements (DOEs) or light detection and ranging (LIDAR). However, DOEs suffer from intrinsic limitations, such as demanding depth-controlled fabrication techniques, large thicknesses (more than the wavelength), Lambertian operation only in half space, etc. LIDAR nevertheless relies on complex and bulky scanning systems, which hinders the miniaturization of the spot generator. Here, inspired by a Lambertian scatterer, we report a Hermitian-conjugate metasurface scrambling the incident light to a cloud of random points in full space with compressed information density, functioning in both transmission and reflection spaces. Over 4044 random spots are experimentally observed in the entire space, covering angles at nearly 90°. Our scrambling metasurface is made of amorphous silicon with a uniform subwavelength height, a nearly continuous phase coverage, a lightweight, flexible design, and low-heat dissipation. Thus, it may be mass produced by and integrated into existing semiconductor foundry designs. Our work opens important directions for emerging 3D recognition sensors, such as motion sensing, facial recognition, and other applications.</P></▼1><▼2><P><B>Metasurfaces: scrambling light for 3D detection and recognition</B></P><P>Firing light at a manufactured 'metasurface'—one carrying patterns at a smaller scale than the wavelength of the light—fills large volumes of space with defined points of light, potentially improving 3-D recognition and sensor applications. Cheng-Wei Qui and colleagues at the National University of Singapore, with co-workers across Asia and in the USA, created their unique metasurface from amorphous silicon. Light is scattered from and transmitted through the material to generate a cloud of data points in the surrounding space in which the structure and motion of objects under study can be analyzed. The initial development work with this “scrambling metasurface” suggests it could improve pattern recognition, including face recognition, motion detection and augmented reality applications. The researchers describe how their innovation overcomes significant limitations of existing methods in these fields.</P></▼2>
Journey to the West: Overseas Exchange Program of Chinese Campus Football
( Hao Cheng ),( Zhen Shen ) 한국체육학회 2015 국제스포츠과학 학술대회 Vol.2015 No.1
Introduction: The sport of football in China in 90s has gone through a phase of professional revolution, while negative practices such as match fixing was rampant. After much remediation, football in Chinese has been cleansed. According to statistics, there were only 6972 registered professional football players in 2009. The foundation of Chinese football was weak. In the same year, the national youth football program was introduced. To increase the pace of development in campus football; to promote the setting up of a competent coaching staff; to enhance the level of coaching and physical education in football, a memorandum of understanding was signed in September 2014 between China and France. This was very well supported by the Departmernt of International Cooperation and Exchanges of the Ministry of Education and China Scholarship Council, and Federation of University Sports of China (FUSC) as well. The plan was to send football coaches from the schools to France for training starting from 2015. This is the largest overseas exchange program in China till date. This is strongly supported by Deputy Prime Minister LIU Yandong and the French Embassy in China. CUPES has been identified as the institution to spearhead this project. Results: Between September and November in 2015, 240 football coaches and physical teachers from various schools will be sent to France for training in the sport of football. Prior to departure, they will spend a week undergoing preparation work in the area of team-building, culture, language, customs and basic football theory. Conclusion: During the exchange program in France, participants will be involved in 300 hours of lessons - 6 hours a day, 30 hours a week. There will 172 hours of theory and 108 hours of practical sessions. In addition, there will be 20 hours of French culture appreciation. Lessons will cover basic theory, tactics, sports psychology, exercise physiology, recovery, nutrition, coaching and venue planning.
Cheng-hao Lee,Yanming Wang,Yiu-lun Tang,Chi-wai Kan 한국섬유공학회 2021 Fibers and polymers Vol.22 No.5
The colour quality assessment of reverse micelle-based (in octane or nonane medium) and conventional waterbaseddyed wool knitted fabric has been investigated using computer colour matching (CCM) approach. Both water-basedand non-aqueous based dyeing methods exhibited no chromatic shift from the reflectance curves and established goodlinearity in the construction of calibration curves. The linearity of both calibration curves in terms of R2 value played a criticalrole in CCM. The colour yield obtained from reverse micellar dyed fabric samples was higher than the colour yield valuesfrom wool knitted fabrics dyed in water bath under different dye percentages. The CCM predicted concentrations were ingood agreement to theoretical concentrations for both dyeing systems. To conclude, the results showed that reverse micellardyeing in octane and nonane is capable of generating reliable colour recipes. The relative unlevelness indices (RUI) obtainedfrom dyed wool knitted fabrics using reverse micellar approach reveal good to excellent levelness, which fulfills therequirements of the textile processing industry. TEM picture illustrated that reverse micelles are in nano-scale and this couldenhance the dyeing effect of wool with reactive dyes.
Cheng Hao Li,YudA Niu,Bo Zhao,Bimal Kumar Ghimire,Hyun-Young Kil,Kwon Heo,Myong-Jo Kim,Seok-Hyun Eom,Dong-Ha Cho,Chang-Yeon Yu 한국약용작물학회 2007 한국약용작물학회지 Vol.15 No.5
An efficient somatic embryogenesis and plant regeneration protocol was developed for Schisandra chinensis Baill, using embryogenic cell suspensions and optimized media conditions. Friable embryogenic callus was induced from cotyledonary leaf and hypocotyl explants of 7 days old seedlings on MS agar medium supplemented with 1.0 to 4.0 mg l-1 of 2,4-dichlorophenoxyacetic acid (2,4-D). Fast growing and well dispersed embryogenic cell suspensions were developed within two months when embryogenic calli were transferred to MS liquid medium containing 1.0 mg l-1 2,4-D. One third strength of MS medium was the best for both overall growth and development of somatic embryos in liquid culture. Over 3400 viable somatic embryos were produced from each 150 ml flask with an initial cell density of 30 mg in 30 ml medium. Germinated somatic embryos developed in liquid medium converted into plantlets after transferred to half-strength MS semi-solid medium. Approximately 90% of the converted plantlets were successfully transplanted to soil and grew into fertile plants.
Cheng-Hao Jin,Ung Yang,Song-Hee Kim,Jae-Won Ryu,Jae-Chang Lee,Dong-Seok Lee,Tae-Hoon Lee 한국식품과학회 2007 Food Science and Biotechnology Vol.16 No.4
In this study, we evaluated whether the oral administration of chondroitin from the cartilage of Raja kenojei is effective on the progression of rheumatoid arthritis (RA), using collagen-induced arthritic (CIA) mice. Arthritis development was delayed dose-dependently in the chondroitin-treated groups. The pre- and late-treated groups receiving 1,000 mg/kg of chondroitin had clinical scores that were reduced significantly by 56.9 (p<0.05) and 43.3% (p<0.05), respectively, compared to the vehicle-treated groups. Hematoxylin eosin staining and X-ray radiography showed that the chondroitins reduced the infiltration of inflammatory cells and prevented joint destruction of the knee and paw. Reverse transcription-polyerase chain reaction analysis revealed that chondroitin administration inhibited the expressions of tumor necrosis factor-α (TNF-α), interlukin-1β (IL-1β), and interferon-γ (IFN-γ) in joints more than the administration of vehicle. Chondroitin treatment also decreased the production of rheumatoid factors (RF), IgG and IgM, in the serum of CIA mice. These results indicate that chondroitin administration has a protective effect involving the inhibition of pro-inflammatory cytokine production in CIA mice.