• YAKHAK HOEJI
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• v.31 no.1
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• pp.40-41
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• 1987

4-Hydroxy-2H-1, 2-benzothiazine-3-carboxylic acid 1a was reacted with 2 equivalents of dicyclohexylcarbodiimide (DCC) to give 2-cyclohexyl-3-cyclohexylimino-4,5-dihydro-1H-imidazo [1,5-b][1,2] benzothiazine-10, 10a-dyhydro-1,10-dione 5,5-dioxide 2a and dicyclohexylurea (DCU). On the other hand 2-substituted-4-hydroxy-2H-1, 2-benzothiazine-3-carboxylic acid 1,1-dioxide 1b or c was reacted with DCC to give 2-cyclohexylimino-3-cyclohexyl-5-alkyl-4-oxo-2,5H-1,3-oxazino [5,6-c]-1,2-benzothiazine 6,6-dioxide 2b or c and DCU.

• YAKHAK HOEJI
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• v.7 no.2_3
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• pp.42-50
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• 1963

The destruction rate of microorganisms by heat follows the first order reaction. In this experiments, the calculated sterilization velocity constants of Escherichia Coli are 1.97 * $10^{-2}min^{-1}.(45{\deg}$ C), 9.53 * $10^{-2}min^{-1}.(55{\deg}$ C) and $1.858min^{-1}.(70{\deg}$ C), 2.89 * $10^{-2}min^{-1}.(80{\deg}$ C), 1.32 * $10^{-1}min^{-1}.(90{\deg}$ C), 2.87 * $10^{-1}min^{-1}.(95{\deg}$ C), 7.91 * $10^{-1}min^{-1}.(100{\deg}$ C) and $1.777min^{-1}.(105{\deg}$ C). In the results, the activation energy of E. Coli is 62.0 Cal $mole^{-1}.(45{\deg}-60-{\deg})$, that of B. Subtilis are 17.8 Cal $mole^{-1}(60{\deg}-80{\deg}$ C) and 47.1 Cal $mole^{-1}(90{\deg}-105{\deg}$ C).

• Journal of Hydrogen and New Energy
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• v.14 no.4
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• pp.327-334
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• 2003

경수소와 중수소를 사용하여 Ti1.0Mn0.9V1.1합금의 경우 313K와 353 K에서, $Ti_{1.0}Cr1.5V_{1.1}$합금의 경우 313 K와 338K에서 각각 수소 동위체 효과를 조사하였다. 합금의 결정구조, 각 상의 존재량, 격자상수 등은 Rietveld method에 의해 결정되었다. 두 합금 모두 용도에 관계 없이 중수소의 흡장량이 경수소에 비하여 많았고, 이들 합금의 수소 동위체 효과는 LaNis 합금에 비하여 대단히 크게 나타났다. 실험 온도 범위에서 $Ti_{1.0}Mn_{0.9}V_{1.1}$합금의 경수소화물은 중수소화물에 비하여 안정하였고, Ti1.0Cr1.5V1.7합금에 있어서는 중수소화물이 더욱 안정하였다. 또한 $Ti_{1.0}Cr_{1.5}V_{1.7}$합금이 $Ti_{1.0}Mn_{0.9}V_{1.1}$합금보다 많은 량의 경수소와 중수소를 흡장하였다.

• Journal of applied mathematics & informatics
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• v.23 no.1_2
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• pp.471-477
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• 2007

In this paper we establish some recurrence relations satisfied by the quotient moments of the upper record values from the Weibull distribution. Suppose $X{\in}WEI({\lambda})\;then\;E(\frac {X^\tau_U(m)} {X^{s+1}_{U(n)}})=\frac{1}{(s-\lambda+1)}E(\frac {X^\tau_U(m)}{X^{s-\lambda+1}_{U(n-1)}})-\frac{1}{(s-\lambda+1)}+E(\frac{X^\tau_U(m)}{X^{s-\lambda+1}_{U(n)}})\;and\;E(\frac {X^{\tau+1}_{U(m)}}{X^s_{U(n)}})=\frac{1}{(r+\lambda+1)}E(\frac{X^{\tau+\lambda+1}_{U(m)}}{X^s_{U(n-1)}})-\frac{1}{(\tau+\lambda+1)}E(\frac{X^{\tau+\lambda+1}_{U(m-1)}}{X^s_{U(n-1)}})$.

• Bulletin of the Korean Chemical Society
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• v.19 no.3
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• pp.358-362
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• 1998

A series of six-membered ring organosilicon compounds, 1-aryl-1-(1H-1,2,4-triazol-1-yl)alkyl-1-silacyclohexanes 3a-c, have been synthesized by four-step reactions starting from 1-(chloroalkyl)trichlorosilanes. Their fungicidal activities were tested in in vitro for ten fungi and in vivo assay for four fungi occurring in rice, barley, tomato, and etc. and compared with the flusilazole. Especially, 1-p-fluorophenyl-1-[1-(1H-1,2,4-triazol-1-yl)alkyl]-1-silacyclohexanes (3a, alkyl=methyl; 3b, alkyl=ethyl) showed good fungicidal activity with broad spectrum close to the flusilazole in in vivo assay.

• Archives of Pharmacal Research
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• v.10 no.1
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• pp.14-17
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• 1987

Several new imidazo [1, 2-b] pyrazole, pyrazolo [5, 1-c]-1, 2, 4-triazine and pyrazolo [5, 1-c] triazole derivatives were prepared from the reaction of 3-antipyrinyl-5-aminopyrazole or its diazonium salt with .alpha.-chloroacetyl derivatives.

• ALGAE
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• v.22 no.3
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• pp.167-183
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• 2007

Fifty-six taxa of chlorococcales were recorded from different water bodies of eastern and north-eastern states of India. These belong to 21 genera, e.g. Chlorococcum (1), Truebaria (1), Pediastrum (9), Hydrodictyon (1), Botrycoccus (1), Coenochloris (1), Radiococcus (1), Coenocystis (1), Oocystis (1), Glaucocystis (1), Chlorella (1), Kirchneria (2), Kirchnereilla (1) Ankistrodesmus (10), Coelastrum (3), Actinastrum (2), Tetrastrum (1), Crucigenia (1), Crucigeniella (1) Desmodesmus (6) and Scenedesmus (9). All these species were recorded first time from this region and out of these 16 species reported first from India.

• East Asian mathematical journal
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• v.19 no.1
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• pp.133-150
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• 2003

This paper will show that the relation (1.1) $$L^1({\Omega}){\subset}C_0(\bar{\Omega}){\subset}H_{p,q}$$ if 1/p'-1/n(1-2/q')<0 where p'=p/(p-1) and q'=q/(q-1) where $H_{p.q}=(W^{1,p}_0,W^{-1,p})_{1/q,q}$. We also intend to investigate the control problems for the retarded systems with $L^1(\Omega)$-valued controller in $H_{p,q}$.

• Food Science and Preservation
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• v.24 no.7
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• pp.891-897
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• 2017

Apple (Malus domestica) is a climacteric fruit because of its high respiration and ethylene production. Ethylene affects the fruit by decreasing its quality and storability. Md-ACS1 and Md-ACO1 genes are involved in ethylene biosynthesis in apple; the Md-ACS1-2 and Md-ACO1-1 alleles are associated with low ethylene production. We conducted an analysis to study Md-ACS1 and Md-ACO1, and to examine ethylene production and softening rate of fruit at room temperature ($20^{\circ}C$) storage in 'Fuji (FJ)', 'Golden Supreme (GS)', and 5 cultivars of Korean apples ('RubyS (RS)', 'Hongro (HR)', 'Arisoo (AS)', 'Summer King (SK)', 'Greenball (GB)'). The result showed that an increase in the number of the alleles (ACS1-2, ACO1-1) decreased the ethylene production and softening rate. The presence of ACS1-1/1, ACO1-1/2 was confirmed in GS and the highest ethylene production and softening rate was observed. Ethylene production and softening rate of SK and GB expressing ACS1-1/2, ACO1-1/2 were higher than that of HR and AS, expressing ACS1-2/2, ACO1-1/2, but lower than GS. FJ with ACS1-2/2, ACO1-1/1 showed the lowest ethylene production and softening rate among all cultivars except RS. The Md-ACS1 and Md-ACO1 DNA markers could potentially be used to estimate storability and applied in marker assisted selection the improve the efficiency of apple breeding.

• Asian Pacific Journal of Cancer Prevention
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• v.13 no.1
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• pp.111-115
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• 2012

Variants of X-ray repair cross-complementing group 1 (XRCC1) are involved in the development of cancer, but studies investigating the association of XRCC1-77T>C polymorphism with cancer risk have reported conflicting results. To clarify the effect of the XRCC1 -77T>C polymorphism on cancer risk, we performed a meta-analysis by conducting searches of the published literature in PubMed, Embase and CBM databases. Finally, 13 studies were included into our meta-analysis, involving a total of 11, 678 individuals. Subgroup analyses were performed by ethnicity and cancer type. The results of this meta-analysis showed that there was significant association between the C variant of XRCC1-77T>C polymorphism and cancer risk in all four genetic comparison models (ORC vs. T =1.19, 95%CI 1.07-1.31, P = 0.001; OR homozygote model =1.28, 95%CI 1.07-1.52, P = 0.007; OR recessive genetic model =1.22, 95%CI 1.04-1.44, P = 0.015; OR dominant model =1.21, 95% CI 1.07-1.35, P = 0.001). In the subgroup analyses based on ethnicity, the association was still significant in the Asian population (all p values<0.001), but not in the Caucasian population (all p values > 0.05). Thus, the XRCC1 -77T>C polymorphism is associated with cancer risk, and individuals with XRCC1 -77C variant have a significantly higher cancer risk, particularly in the Asian population.