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쪽파[Allium ascalonicum L.] 재배기간 중 Diazinon, Iprodione 및 Chlorfenapyr의 잔류랑 변화
고광용,나은식,김성헌,김상준,장영희,이규승 충남대학교 농업과학연구소 2005 농업과학연구 Vol.32 No.2
In order to know the residual pattern of pesticides and predict to the degradation period until below MRL, we experimented diazinon, iprodinon and chlorfenapyr for shallot. They were the most detected pesticide in shallot by NAQS (National Agricultural product Quality management Service) survey. In this experiment, we sprayed those pesticides 15days before harvest and analyzed 0, 1, 2, 3, 5, 7, 10, 14 day sample to establish logical equation and to calculate DT_(50). During the cultivating period, the residue amount of diazinon was changed from 1.02 mg/kg (0 day) to 0.01 mg/kg (14 day), DT_(50) was 2.19 days, and iprodione was changed from 1.45 mg/kg (0 day) to 0.14 mg/kg (14 day), DT_(50) was 4.15 days, and chlorfenapyr was changed from 1.5 mg/kg (0 day) to 0.01 mg/kg (14 day), DT_(50) was 1.97 days. The DT_(50) of double amount in those pesticides, diazinon was 2.24 days, iprodione was 4.82 days, and chlorfenapyr was 2.24 days, respectively.
고영규,서예원,고하나 서울여자대학교 자연과학연구소 2011 자연과학연구논문집 Vol.23 No.-
The purpose of this study was to investigate the effect of heel height on women's dynamic balance. Seven female subjects, aged 19-22 years, volunteered to participate for the study. The subject was asked to lean forward, backward and sideways and to reach as far as possible without moving the feet or bending at the hip, in a plane parallel with the measuring tape attached on the wall at shoulder height. Maximal antero, posterior, and lateral distance reached were measured to evaluate a dynamic balance. Subjects were tested in bare feet and 4 pairs of shoes. Shoes were women's dress pumps identical except for heel height. Heel heights were 3, 5, 7, and 9 cm. The results indicated that increasing heel height did not influence the maximum reach distance in the backward and sideway direction. However, the maximum reach distance in the forward direction decreased significantly with increasing heel hight. Post-hoc analysis revealed that the reach distance was significantly smaller in the 7 and 9 cm heel height. These findings suggest that heel height has a detrimental effect on women's dynamic balance. The poor balance derives from a decrease of postural stability in the forward direction. A critical heel height for producing balance hazards locates between 5 and 7 cm. Key words:heel height, dynamic balance, maximum reach distance.
이나영,고일주,김원,김계영 崇實大學校 生産技術硏究所 2002 論文集 Vol.32 No.-
In this paper, we propose a watermarking technique using biorthogonal wavelet transform and hierarchical correlation. The proposed technique inserts a watermark at high frequency domain and improves the computational time for extracting the watermark using hierarchical correlation. In the experiment, we show the performance of the proposed technique and use bar code as watermark to automatically manage the watermarked images.
ADHD아동의 주의집중과 모방능력에 영향을 미치는 수업요인
김나영,고성희 한국특수체육학회 2004 한국특수체육학회지 Vol.12 No.2
This is a quasi-experimental research to verify factors that affect to the attention of ADHD child who are participated in a play program. Subjects are 9 ADHD(Attention Deficit & Hyperactivity Disorder) who have participated in a after-school activities of M University. The factors that employed in this study were 'teaching method', 'distance to teacher', 'teaching ability' and 'formation of class'. Dependent variable of this study was the subject's attention levels. Assessment of this study was conducted in 40 sessions for 10 weeks. Results of this study were as follows: Firstly, factors that affect to subjects' attention levels were 'teaching method', 'distance to teacher', and 'teaching ability'. Especially, lm, 3m, and 5m distance to teacher shows a significant mean difference. Secondly, in case of 'teaching ability' for the attention abilities, '4 point and 3 point' and '3 point and 2 point' were demonstrated a significant mean difference. On the other hand, the 'teaching ability' for imitation levels, '4 point and 1 point' and '3 point and 1 point' demonstrates a significant mean difference. Thirdly, a formula for affecting factor to the subject's attention levels and imitation levels were delineated to y=0.18X₁ - 0.15X₂ - 0.07X₃ - 0.02X₄ + 1.82 (R²=0.64). However, the formula for imitation levels was y=0.29 X₁ - 0.13X₂ - 0.06X₃ - 0.02X₄ + 1.47 (X₁ : teaching ability, X₂ : distance to teacher, X₃ : teaching method, X₄ : class formation, R²=0.64)
Efficacy of Cryosim-1 in adults with pruritus
( Na Young Kim ),( Se Uk Oh ),( Dong Seok Shin ),( Young Wook Ko ),( Jeong Eun Kim ),( Young Suck Ro ),( Joo Yeon Ko ) 대한피부과학회 2020 대한피부과학회 학술발표대회집 Vol.72 No.1
Background: Pruritus is one of the common complaints from patients in dermatologic clinic. Cryosim-1 (Diisopropylheptylphosphine oxide) is a selective TRPM8 agonist which gives a cooling, resulting in suppression of other uncomfortable sensations including pruritus. Objectives: The study was to investigate the clinical effectiveness of Cryosim-1, known to be effective in pruritus. We selected adult patients with consistent itching sensation and tried applying cryosim-1 containing highly moisturizing serum (Intrinsic® IB Spot serum). Methods: We performed a prospective study of 25 patients with various dermatologic disorders. The participants self-completed questionnaires about degree of itching at both initial (d1) and last visit (d7). Results: Demographic data showed male-to-female ratio of 1:1.5, the average of age was 44.08 ± 12.55 and symptom duration was 85.72 ± 17.49 month. The average visual analog scale (VAS) score for pruritus was 4.56 before treatment and 2.11 two hours after treatment respectively. Overall, there was significant improvement for pruritus (p<0.001) comparing the initial and last visit. Also, 76% of the patients reported subjective satisfaction. Conclusion: Our study confirmed the clinical efficacy of cryosim-1 for pruritus. Further large-scale studies are needed to evaluate the treatment effect.