• Title/Summary/Keyword: E-64

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Kinemetic analysis of a thumping security motion with an expandable barton (경호원의 삼단봉 머리치기 동작의 운동학적 분석)

  • Kim, Yong-Hak;Kim, Sin-Hye;Jung, Sung-Bae
    • Korean Security Journal
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    • no.36
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    • pp.93-109
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    • 2013
  • This research is mainly based on the experimental result due to seek different outcomes whena certain security motion with a paticular gear is applied in a plausible confrontational situation. For the purpose of this research an Expandable Baton, which is one of the most commonsecurity equipments, was chosen to be applied in a situation of hitting a person's head. Alsothe results will be studied in the view of Kinematic theory. To demonstrate, 10 students who were majeored in Escort Crane studies at 'H' university werechosen as testees. The participants were grouped into two-one is practiced with the 'expanadable baton use program' and the other is pre-practiced. In this report two groups abovewill be reffered as 'group A' and 'group B' for conveniency. There were a number of differences and changes between two groups. Group B took more timethan the other group did. Group A spent about 0.428sec in section 'e2' and 0.230sec in section'e3' while Group B took 0.435sec, 0.232sec in each sections.To add on, more distinctive results were out when it was more focused on physical movements. Two gropus presented considerable changes- in an 'left-right' moving displacement-Group A;$2.16{\pm}0.9cm$ (left side), $3.78{\pm}1.42cm$ (right side), total $5.94{\pm}2.03cm$. Group B; $2.97{\pm}1.01cm$ (left side),$4.56{\pm}1.57cm$ (right side), total $7.53{\pm}2.13cm$.Continuously, different outcomeswere shown between two groups in a 'back and forth' moving displacement-Group A;$32.48{\pm}3.86cm$, $35.21{\pm}4.64cm$, total $69.36{\pm}5.72$. Group B; $34.50{\pm}6.12cm$, $37.04{\pm}3.70cm$, total $71.46{\pm}7.17cm$. Furthermore, changes in an 'up and down' moving displacement were - GroupA; $5.62{\pm}2.41cm$, $4.54{\pm}1.87cm$, total $10.11{\pm}1.57cm$. Group B; $6.33{\pm}1.78cm$, $4.86{\pm}1.85cm$,total $10.68{\pm}1.81cm$. To continue, there were few modifications of degree on participants' joints, espcially on 'Wristjoint', 'Elbow joint' and 'Shoulder joint', depend on different sections -Wrist joint;Group A; e1 $114.62{\pm}7.13$, e2 $68.27{\pm}6.37$, e3 $131.64{\pm}6.27$. Group B; e1 $112.62{\pm}6.13$, e2 $66.28{\pm}7.38$, e3$137.42{\pm}4.28$ and Elbow joint ; Group A e1 $132.31{\pm}6.55$, e2 $117.92{\pm}8.42$, e3 $144.41{\pm}6.32$. Group B; e1 $133.58{\pm}8.56$, e2 $114.45{\pm}8.21$, e3 $139.89{\pm}4.38$. Lastly, degree changes ofshoulder joint were; Group A; e1 $13.55{\pm}3.85$, e2 $131.42{\pm}11.24$, e3 $78.32{\pm}6.28$. Group B; e1$9.45{\pm}1.23$, e2 $136.74{\pm}13.21$, e3 $79.75{\pm}4.24$.

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Characterization of gp64 Gene of Bombyx mori Nucleopolyhedrovirus and Development of a Transient Expression Vector (누에 핵다각체병 바이러스 헤 gp64 유전자의 특성조사 및 transient 발현 벡터 개발)

  • 김미향;최재영;우수동;이해광;제연호
    • Microbiology and Biotechnology Letters
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    • v.29 no.1
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    • pp.18-24
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    • 2001
  • Expression of the baculovirus major envelope glycoprotein gene(gp64) is regulated by transcription from botha early and late promoters. To develop a transient expression vector under the control of gp64 gene promoter, the gp64 gene of Bombyx mori nucleopolyhedrovirus-K1(BmNPV-K1) was characterized. The gp64 gene was local-ized at EcoR I-Pst I 7.38-kb fragment of the BmNPV-K1 genome. The EcorR 1-Pst I 7.38-kb fragment was cloned and the nucleotide sequence of 2,277 bases including the coding region of gp64 gene was determined. Based on these results, transient expression vector using gp64 gene promoter was constructed and named as pBm64. E.coli lacZ gene was introduced onto pBm64 as a reporter gene and expressed transiently in B. mori 5(Bm 5) cells. The expression vector transfected into the cells was maintained stably for 1 to 5 days. In order to confirm the expression of the reporter gene by gp64 promoter, recombinant virus was constructed. The recombinant virus has two independent transcription units in opposite orientations with two promoters; gp64 and polyhedrin gene promoters each initiating transcription of $\beta$-galactosidase and polyhedrin, respectively. Polyhedra formation and expression of $\beta$-galactosidase in Bm5 cells infected with the recombinant virus were observed with phase contrast microscope and in situ staining.

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Construction of shuttle vectors expressing the cry11Aa gene and their mosquitocidal activity (모기살충성 cry11Aa 유전자를 발현하는 벡터의 구축과 모기살충효과)

  • Lee, Dae-Weon;Kim, Ho-San;Je, Yeon-Ho;Kim, Joo-Up;Yu, Hyo-Sok;Kang, Seok-Kwon
    • The Korean Journal of Pesticide Science
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    • v.2 no.1
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    • pp.91-96
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    • 1998
  • For the expression of the cry11Aa gene highly toxic to dipteran insects, we constructed two cyanobacteria-Escherichia coli(E. coli) shuttle vectors, pCYASK5-l and pCYASK5-2. These vectors were transformed into E. coli and selected with kanamycin. The expression of the cry11Aa gene in E. coli was characterized by SDS-polyacrylamide gel electrophoresis and Western blot analysis. Two E. coli transformants harboring pCYASK5-1 and pCYASK5-2 expressed the cry11Aa gene in size of 72 kDa and 64 kDa, respectively and showed over 89% mortality against Culex pipiens larvae.

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Laser Cooling and Pumping of Multilevel Atoms (다준위 원자의 레이저 냉각 및 펌핑)

  • Jang, Soo;Kwon, Taek-Yong;Lee, Ho-Sung;Minogin, V.G.
    • Proceedings of the Optical Society of Korea Conference
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    • 2000.08a
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    • pp.64-66
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    • 2000
  • Theoretical foundations of atom dynamics in laser fields are reviewed in relation with applications to laser spectroscopy, control of atomic motion, atom traps and frequency standards. Quasiclassical kinetic equations are applied to multilevel atomic schemes interacting with counter-propagating laser waves to describe the properties of atomic populations and coherence and the time evolution of atomic distribution function. Basic types of the dipole radiation forces on atoms are discussed for the realistic cases of multilevel dipole interaction schemes such as 3(g)+5(e), 3(g)+3(e), 5(g)+3(e), 5(g)+7(e), 3(g)+3(e)+5(e) and 1(g)+3(g)+3(e)+5(e).

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A study on the fracture toughness evaluating method for cryogenic structural material (극저온용 구조재료의 파괴인성평가법에 관한 연구)

  • Kwon, Il-Hyun;Chung, Se-Hi
    • Transactions of the Korean Society of Mechanical Engineers A
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    • v.22 no.1
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    • pp.64-72
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    • 1998
  • This paper was undertaken to develop the fracture toughness testing method using small and single specimen compared to the conventional method in evaluating elastic-plastic fracture toughness of the superconducting magnet structural material at cryogenic temperature. The elastic-plastic fracture toughness test was conducted by using the unloading compliance method recommended by ASTM E813-89 to accomplish the above purpose. And, the 20% side-grooved 0.5TCT and 1TCT specimens were used to evaluate the fracture toughness by using as possible as miniaturized CT specimen. The unloading compliance method was a very useful method in evaluating elastic-plastic fracture toughness at cryogenic temperature. It could be taken valid fracture toughness values by using 20% side-grooved 0.5TCT specimen recommended by ASTM E813-89.

In vitro Activity of Sodium Benzoate Against Clinically Relevant Enterococcus faecalis and Enterococcus faecium Isolates

  • Karabay Oguz;Kocoglu Esra;Ince Nevin;Sahan Tufan;Ozdemir Davut
    • Journal of Microbiology
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    • v.44 no.1
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    • pp.129-131
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    • 2006
  • The antimicrobial effects of sodium benzoate against Enterococcus faecalis and Enterococcus faecium were investigated. The $MIC_{90}$ of sodium benzoate were 64 mg/ for E. faecalis and 32 mg/L for E. faecium, while the $MBC_{90}$ were 128 mg/L and 64mg/L, respectively. Although further studies are required for clinical evidence, sodium benzoate seems to be effective against Enterococcus spp.

Diffusion Coefficients for Electrons in SF6-Ar Gas Mixtures by MCS-BEq (MCSBEq에 의한 SF6-Ar혼합기체의 확산계수)

  • Kim, Sang-Nam
    • The Transactions of the Korean Institute of Electrical Engineers P
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    • v.64 no.3
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    • pp.125-129
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    • 2015
  • Energy distribution function for electrons in SF6-Ar mixtures gas used by MCS-BEq algorithm has been analysed over the E/N range 30~300[Td] by a two term Boltzmann equation and a Monte Carlo Simulation using a set of electron cross sections determined by other authors experimentally the electron swarm parameters for 0.2[%] and 0.5[%] $SF_6-Ar$ mixtures were measured by time-of-flight(TOF) method, The results show that the deduced longitudinal diffusion coefficients and transverse diffusion coefficients agree reasonably well with theoretical for a rang of E/N values. The results obtained from Boltzmann equation method and Monte Carlo simulation have been compared with present and previously obtained data and respective set of electron collision cross sections of the molecules.

Characteristics of $TiO_2$ Powders Prepared by Freeze Drying Method (동결건조법으로 제조한 $TiO_2$의 특성)

  • 윤기현;박승순
    • Journal of the Korean Ceramic Society
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    • v.25 no.3
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    • pp.277-283
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    • 1988
  • Extremely fine $TiO_2$ powders were synthesized from titanium chloride by the precipitation and freeze drying method. The phase transformation and electrical conductivity were investigated as a function of temperature. X-ray analysis showed that the phase transformation of the synthesized powder from the anatase to rutile occured at 64$0^{\circ}C$ and finished at 92$0^{\circ}C$ due to small particle size and large specific surface area. The activation energy obtained from electrical conductivity vs. temperature was about 1.63eV. This relatively large value was due to porosity in the specimen.

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Overexpression of a delayed early gene hlg1 of temperate mycobacteriophage L1 is lethal to both M. smegmatis and E. coli

  • Chattoraj, Partho;Ganguly, Tridib;Nandy, Ranjan Kumar;Sau, Subrata
    • BMB Reports
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    • v.41 no.5
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    • pp.363-368
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    • 2008
  • Two genes of temperate mycobacteriophage L5, namely, gp63 and gp64, were hypothesized to be toxic to M. smegmatis. An identical L5 gp64 ortholog (designated hlg1) was cloned from homoimmune mycobacteriophage L1 and characterized at length here. As expected, hlg1 affected the growth of M. smegmatis when overexpressed from a resident plasmid. HLG1 (the protein encoded by hlg1) in fact caused growth retardation of M. smegmatis and the region encompassing its 57-114 C-terminal amino acid residues was found indispensable for its growthretardation activity. Both nucleic acid and protein biosynthesis were severely impaired in M. smegmatis expressing HLG1. Interestingly, HLG1 also affected E. coli almost similarly. This putative delayed early lipoprotein did not participate in the lytic growth of L1.