• Title/Summary/Keyword: Growth index

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Effects of Femara and Tamoxifen on Proliferation of FM3A Cells in Culture

  • Topcul, Mehmet;Topcul, Funda;Cetin, Idil
    • Asian Pacific Journal of Cancer Prevention
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    • v.14 no.5
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    • pp.2819-2822
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    • 2013
  • In this study, antiproliferative effects of the selective estrogen receptor modulator Tamoxifen and the aromatase inhibitor letrozole (Femara) were evaluated and compared using the FM3A cell line, originating from a C3H mouse mammary carcinoma and positive in terms of estrogen receptor (ER) expression. Cell kinetic parameters including labelling index, mitotic index and labelling index were assessed after exposure of the. FM3A cell line to $0.001{\mu}g/ml$ of Tamoxifen and $0.25{\mu}g/ml$ of Femara for 4, 8, 16 and 32 h for all parameters. The results showed that cell growth was inhibited by both agents. There was a significant decrease in labelling index and mitotic index and significant increase in apoptotic index for all experimental groups. The differences between control and all experimental groups were statistically significant (p<0.001) for all applications.

The effects of growth medium and partial shade on early growth of milkweed (Calotropis procera L.) under drought stress

  • Taghvaei, Mansour;Kordestani, Mojtaba Dolat
    • Journal of Ecology and Environment
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    • v.35 no.4
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    • pp.343-349
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    • 2012
  • The use of growth medium is often recommended milkweed seedlings to grow and develop after emergence, and it is affected by growth medium and local habitat conditions. The effects of growth medium and partial shade on early growth of milkweed under drought stress (Calotropis procera L.) were studied in a field experiment. A split-split plot experimental design with three replications was carried out in the nursery. The main treatment plot was divided into two levels of shade; (no shading and partial shading). Sub treatment plot1 included growth medium at four levels (G1 = clay [suitable for milkweed growth], G2 = clay + sand, G3 = clay + perlite, G4 = clay + perlite + sand) and sub treatment plot2 included drought (irrigation intervals) at six levels (D1 = 2 [control], D2 = 4, D3 = 6, D4 = 8, D5 = 10, and D6 = 12 days per for three month). The results showed that drought stress significantly decreased emergence percentage, shoot length, shoot dry weight (SDW1), root dry weight (RDW), seedling dry weight (SDW2) and vigor index (VI). The use of growth medium increased all seedling characteristics. The G3 (clay + perlite) growth medium showed the highest performance, especially in terms of emergence percentage and seedling dry weight. Partial shade improved shoot length, shoot dry weight, and vigor index. Our results showed that the best treatment for high-vigor milkweed seedlings under drought stress was G3 (clay + perlite) growth medium and partial shade.

Evaluation of kidney size in children: a pilot study of renal length as a surrogate of organ growth

  • Kim, Boo-Won;Song, Min-Kyoung;Chung, So-Chung;Kim, Kyo-Sun
    • Clinical and Experimental Pediatrics
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    • v.55 no.2
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    • pp.54-57
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    • 2012
  • Purpose: Somatic growth is an important indicator of health in children. Adequate organ growth is essential in growth and directly related to body growth. We consider renal length as a surrogate of organ growth in growing children. Measurement of weight, height, and many anthropometric indices, such as body surface area (BSA), body mass index (BMI), and Rohrer and Kaup indices, are used to evaluate growth status. The aim of this study was to evaluate the association between renal length and somatic parameters and analyze the affecting factors for renal size during growth. Methods: The data for renal length in 66 children (age, $12.9{\pm}15.6$ months; male/female, 34/32) were obtained. Each kidney was measured with ultrasonography and dimercaptosuccinic acid scan. The data on age, sex, height, and weight were obtained from the medical records. BSA, BMI, and Rohrer and Kaup indices were calculated from measured height and weight. BSA was calculated by 2 methods, and is expressed as BSA I and BSA II. Results: There were significant correlations between renal size and age, weight, height, BSA I, BSA II, and Rohrer index. In the regression analysis, the most significant contributing factor to renal growth was height ($R^2$=0.636, $P$ <0.001). Conclusion: Height seems to be the most important factor associated with organ growth in growing children. Further studies to evaluate adequate organ growth should be carried out.

Individual-based Competition Analysis for Secondary Forest in Northeast China

  • Li, Fengri;Chen, Dongsheng;Lu, Jun
    • Journal of Korean Society of Forest Science
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    • v.97 no.5
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    • pp.501-507
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    • 2008
  • The data of crown width with 4 directions, DBH, tree height, and coordinate for sample trees were collected from 30 permanent sample plots in secondary fore st of the Maoershan Experimental Forestry Farm, Northeast China. In this paper, the competition of individual trees in stand were discussed for secondary forest by using iterative Hegyi competition index and crown overlap index that represented the competitive and cooperative interactions among neighboring trees. Active competitors of subject tree in the competition zone were selected to calculate the iterative competition index. Using the results of crown classification based on the equal crown projection area, a new distance dependent competition index called crown overlap index (COI) was developed for secondary forest. The COI performed well in describing the crown competition rather than crown competition factor (CCF). The individual-based competition index discussed in this paper will provide more precise for developing individual tree growth models for secondary forest and it can also use to adjust the stand structure for spatial optimal management.

An Analysis about determinants of Total Factor Productivity and Technical Efficiency in Manufacturing Industries : Non-parametric Malmquist Approach (제조업의 총요소생산성과 기술적효율성 결정요인분석 : 비모수적 맴퀴스트 생산성 지수에 의한 분석)

  • Jung, Kyung-Hee;Cho, Jai-Rip
    • Proceedings of the Safety Management and Science Conference
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    • 2009.04a
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    • pp.337-350
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    • 2009
  • Using the Malmquist productivity index, this paper compares the productivity of Korean manufacturing industries from 1999 to 2006. The malmquist productivity index has more advantages than previous methods such as solow model, endogenous growth theory. The malmquist productivity index can be decomposed productivity into two parts. The first part is an index of the technical efficiency change. This index has high value when the elements of production is used more efficiently. The second part is an index of technical change. This index has high value if the advent of new technology and process innovation occur.

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A thermoelastic simulation on the (100) Si-wafer ((100) 실리콘 웨이퍼에 대한 열탄성모사)

  • Doo Jin Choi;Hyun Jung Woo
    • Journal of the Korean Crystal Growth and Crystal Technology
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    • v.4 no.1
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    • pp.71-75
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    • 1994
  • In this study, a thermoelastic stress index of (100) oriented single crystalline silicon wafer and a relationship between thermal stress and critical plastic deformation temperatures were simulated. The simulated results for the thermoelastic stress index indicated a maximum value on <110> direction and a minimum on <100>. Then, it could be predicted that silicon wafer is plastically deformable over 1000 K, based on the relationship between the thermal stress derived from the thermoelastic stress index and the critical plastic deformation temperature.

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Shape Optimization of Cutouts in a Laminated Composite Plate Using Volume Control (체적제어에 의한 적층 복합재 구멍의 형상 최적화)

  • Han, Seog-Young;Ma, Young-Joon
    • Transactions of the Korean Society of Mechanical Engineers A
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    • v.28 no.9
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    • pp.1337-1343
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    • 2004
  • Shape optimization was performed to obtain a precise shape of cutouts including the internal shape of cutouts in a laminated composite plate by three dimensional modeling using solid element. Volume control of the growth-strain method was implemented and the distributed parameter chosen as Tsai-Hill fracture index for shape optimization. It makes Tsai-Hill failure index at each element uniform in laminated composites under the predetermined volume a designer requires. Shapes optimized by Tsai-Hill failure index were compared with those of the initial shapes for the various load conditions and cutouts. The following conclusions were obtained in this study; (1) It was found that growth-strain method was applied efficiently to shape optimization of three dimensional cutouts in a laminate composite, (2) The optimal shapes of the various load conditions and cutouts were obtained, (3) The maximum Tsai-Hill failure indices of the optimal shapes were remarkably reduced comparing with those of the initial shapes.

ESTIMATION OF THE AREA AND THE YIELD OF A RICE PADDY BY LANDSAT-5/TM

  • Ishiguro, E.;Hidaka, Y.;Sato, M.;Miyazato, M.;Chen, J.Y.;Ogawa, Y.
    • Proceedings of the Korean Society for Agricultural Machinery Conference
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    • 1993.10a
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    • pp.383-392
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    • 1993
  • Identification of rice paddy fields and estimation of their areas from the images taken by LANDSAT-5/TM were attempted. The results were verified by aerial photographs and also by ground observations. Changes of the spectral characteristics of rice plants were measured with a portable spectroradiometer during the growth period. Analyzing these characteristics, an index was developed for evaluating the growth and the yield of rice . Applying the index to the data observed by LANDSAT-5.TM on Sep. 26, 1986, Oct .20, 1989 and Sep, 21, 1990, it was confirmed that the estimated derived from the index agreed with actual values. The results well demonstrated its feasibility for evaluating the yield of rice by a satellite like LANDSAT-5/TM.

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A Study on the Capital Area's Urban Type Analysis and Real Estate Characteristics

  • Jeong, Moonoh;Lee, Sangyoub
    • Journal of Construction Engineering and Project Management
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    • v.2 no.4
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    • pp.32-41
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    • 2012
  • In recent times, multi-centralization and decentralization as well as large Capital area and suburbanization in the spatial structure of capital area. With rapid growth, urbanization and industrialization are unsystematic, and growth inequality between regions caused negative effects such as discordant centralization and decentralization, fluctuating land value, and gap between living conditions. Accordingly, this study analyzed urban spatial indexes by the self-governed body in the capital area such as Seoul, Incheon, and Gyeonggi province for the analysis of the regional inequality phenomenon. We examined the characteristics of temporal and spatial changes in urban spatial structure in the capital area by utilizing the distribution pattern and density of city indexes such as population, employment, etc, and then drew the commonality of those factors through factor analysis. We evaluated the drawn results through the city standard index by each city, conducted factor score analysis, and identified the interaction between each factor and Housing Purchase Price Composite Indices index, housing rent price index(Housing Jeonse Price Composite Indices), land price fluctuation rate, diffusion ratio of house, and financial independence.

A Study on the Tracking Characteristics of Contaminated Insulating Materials (오염된 절연재료의 트래킹 특성에 관한 연구)

  • Ok, Kyung-Jae;Lee, Chun-Ha
    • Fire Science and Engineering
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    • v.21 no.3
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    • pp.97-103
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    • 2007
  • This experimental study showed the tracking characteristics of contaminated insulating materials. To analysis tracking characteristics, IEC 60112 was used. As the results of this study, the tracking characteristics of contaminated insulating materials showed as followings: (a) Comparative tracking index (CTI) of contaminated insulating material was lower than non-contaminated one. (b) First carbonized growth time and track growth time of contaminated insulating materials was faster than non-contaminated.