• Title/Summary/Keyword: selection properties

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Associations between gene polymorphisms and selected meat traits in cattle - A review

  • Zalewska, Magdalena;Puppel, Kamila;Sakowski, Tomasz
    • Animal Bioscience
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    • v.34 no.9
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    • pp.1425-1438
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    • 2021
  • Maintaining a high level of beef consumption requires paying attention not only to quantitative traits but also to the quality and dietary properties of meat. Growing consumer demands do not leave producers many options for how animals are selected for breeding and animal keeping. Meat and carcass fatness quality traits, which are influenced by multiple genes, are economically important in beef cattle breeding programs. The recent availability of genome sequencing methods and many previously identified molecular markers offer new opportunities for animal breeding, including the use of molecular information in selection programs. Many gene polymorphisms have thus far been analyzed and evaluated as potential candidates for molecular markers of meat quality traits. Knowledge of these markers can be further applied to breeding programs through marker-assisted selection. In this literature review, we discuss the most promising and well-described candidates and their associations with selected beef production traits.

Function of Dietary Fibers as food ingredients

  • Hwang, Jae-Kwan
    • Journal of Food Hygiene and Safety
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    • v.7 no.4
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    • pp.153-163
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    • 1992
  • Dietary fiber imparts both mutritional and functional properties to foods. This review deals with (1) the classification of dietary fiber, (2) the plant cell wall models, (3) the relations between structure and physicochemical and functional properties of dietary fiber and (4) the applications of dietary fiber in foods. Dietary fiber can be classified in terms of source, plant function, solubility, charge and topology. Plant cell wall models are presented to provide information on the interconnections of dietary fiber components which determines the content of soluble and insoluble dietary fiber content. In reality, physicochemical and functional properties of dietary fiber originate factors such as chemical constituents , charge, branching degree, conformation and etc. Dietary fibers possess a variety of functional properties in food systems, which thus make them useful in food application. In particular, rheology and gelation of water-soluble gums or hydrocolloids are discussed for their effects on food quality. A guideline s also listed for the gum selection to meet the best product requirements.

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Effects of the types of property and the tasks on the pattern of property inference (표적속성과 추론과제의 유형에 따른 속성추론의 양상)

  • 도경수
    • Korean Journal of Cognitive Science
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    • v.13 no.2
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    • pp.25-36
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    • 2002
  • Two experiments were performed to explore the effects of the types of property and the tasks on the pattern of property inference in a source selection task in which the source objects were to be selected. animals that were globally similar to the target animal was selected as possible sources when the target properties were anatomical. However animals that were strongly associated with the target property were selected when the target properties were about ability In a passive inference task where premises were given. the global similarity between the source objects and the target object differently affected the confidence of the conclusion depending on the types of the target property: The similarity between the source and the target affected the degree of confidence when the target properties were anatomical ones, but did not affect when the target properties were about ability. The results suggested that participants seemed to have primitive understanding of the relevance of sources to the target properties, but did not. spontaneously seek or use the relevant information.

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A review on thermohydraulic and mechanical-physical properties of SiC, FeCrAl and Ti3SiC2 for ATF cladding

  • Qiu, Bowen;Wang, Jun;Deng, Yangbin;Wang, Mingjun;Wu, Yingwei;Qiu, S.Z.
    • Nuclear Engineering and Technology
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    • v.52 no.1
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    • pp.1-13
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    • 2020
  • At present, the Department of Energy (DOE) in Unite State are directing the efforts of developing accident tolerant fuel (ATF) technology. As the first barrier of nuclear fuel system, the material selection of fuel rod cladding for ATFs is a basic but very significant issue for the development of this concept. The advanced cladding is attractive for providing much stronger oxidation resistance and better in-pile behavior under sever accident conditions (such as SBO, LOCA) for giving more coping time and, of course, at least an equivalent performance under normal condition. In recent years, many researches on in-plie or out-pile physical properties of some suggested cladding materials have been conducted to solve this material selection problem. Base on published literatures, this paper introduced relevant research backgrounds, objectives, research institutions and their progresses on several main potential claddings include triplex SiC, FeCrAl and MAX phase material Ti3SiC2. The physical properties of these claddings for their application in ATF area are also reviewed in thermohydraulic and mechanical view for better understanding and simulating the behaviors of these new claddings. While most of important data are available from publications, there are still many relevant properties are lacking for the evaluations.

Analysis of mixture experimental data with process variables (공정변수를 갖는 혼합물 실험 자료의 분석)

  • Lim, Yong-B.
    • Journal of Korean Society for Quality Management
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    • v.40 no.3
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    • pp.347-358
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    • 2012
  • Purpose: Given the mixture components - process variables experimental data, we propose the strategy to find the proper combined model. Methods: Process variables are factors in an experiment that are not mixture components but could affect the blending properties of the mixture ingredients. For example, the effectiveness of an etching solution which is measured as an etch rate is not only a function of the proportions of the three acids that are combined to form the mixture, but also depends on the temperature of the solution and the agitation rate. Efficient designs for the mixture components - process variables experiments depend on the mixture components - process variables model which is called a combined model. We often use the product model between the canonical polynomial model for the mixture and process variables model as a combined model. Results: First we choose the reasonable starting models among the class of admissible product models and practical combined models suggested by Lim(2011) based on the model selection criteria and then, search for candidate models which are subset models of the starting model by the sequential variables selection method or all possible regressions procedure. Conclusion: Good candidate models are screened by the evaluation of model selection criteria and checking the residual plots for the validity of the model assumption. The strategy to find the proper combined model is illustrated with examples in this paper.

Operating characteristics of a subset selection procedure for selecting the best normal population with common unknown variance (최고의 정규 모집단을 뽑기 위한 부분집합선택절차론의 운용특성에 관한 연구)

  • ;Shanti S. Gupta
    • The Korean Journal of Applied Statistics
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    • v.3 no.1
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    • pp.59-78
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    • 1990
  • The subset selection approach introduced by Gupta plays an important role in the multiple decision procedures. For the normal means problem with common unknown variance, some operating characteristics of the selection procedure have been investigated via Monte Carlo simulation. Also some properties including efficiencies of the selection procedure are examined when the data are contaminated.

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Automatic threshold selection for edge detection using a noise estimation scheme and its application (잡음추측을 이용한 자동적인 에지검출 문턱값 선택과 그 응용)

  • 김형수;오승준
    • The Journal of Korean Institute of Communications and Information Sciences
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    • v.21 no.3
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    • pp.553-563
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    • 1996
  • Detecting edges is one of issues with essentialimprotance in the area of image analysis. An edge in an image is a boundary or contour at which a significant change occurs in image intensity. Edge detection has been studied in many addlications such as imagesegmentation, robot vision, and image compression. In this paper, we propose an automatic threshold selection scheme for edge detection and show its application to noise elimination. The scheme suggested here applied statistical properties of the noise estimated from a noisy image to threshold selection. Since a selected threshold value in the scheme depends on not the characgreistic of an orginal image but the statistical feature of added noise, we can remove ad-hoc manners used for selecting the threshold value as well as decide the value theoretically. Furthermore, that shceme can reduce the number of edge pixels either generated or lost by noise. an application of the scheme to noise elimination is shown here. Noise in the input image can be eliminated with considering the direction of each edge pixedl on the edge map obtained by applying the threshold selection scheme proposed in this paper. Achieving significantly improved results in terms of SNR as well as subjective quality, we can claim that the suggested method works well.

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A Study on Concrete Mix Design Methods (콘크리트 배합설계 방법에 대한 고찰)

  • 은충기;채원규;이명구;조광현;김광일;손영현
    • Proceedings of the Korea Concrete Institute Conference
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    • 2001.05a
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    • pp.623-628
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    • 2001
  • The purpose of this study is to analyze representative methods of concrete mix design. As a results, it can be said that the properties of concrete are studied primarily for the purpose of selection of appropriate mix ingredients, and it is in this light that the various properties of concrete will be considered in appropriate mix design method.

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FIXED POINT THEOREMS, SECTION PROPERTIES AND MINIMAX INEQUALITIES ON K-G-CONVEX SPACES

  • Balaj, Mircea
    • Journal of the Korean Mathematical Society
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    • v.39 no.3
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    • pp.387-395
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    • 2002
  • In [11] Kim obtained fixed point theorems for maps defined on some “locally G-convex”subsets of a generalized convex space. Theorem 2 in Kim's article determines us to introduce, in this paper, the notion of K-G-convex space. In this framework we obtain fixed point theorems, section properties and minimax inequalities.

Mechanical Strength Properties of Hanger Insulator for Arrestor (피뢰기 절연행거의 기계적 강도 특성)

  • 박기호;조한구;한동희
    • Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference
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    • 2001.07a
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    • pp.589-592
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    • 2001
  • Generally, hanger insulator for polymer arrestor have to be good insulation properties and mechanical strength and weatherability, But many remark and repairs have been to think about low cost and light weight. The Paper is used Polymer arrestor for post and performance analysis and mechanical strength insulator hanger according to development of simplest product. To enhance the efficiency of experimental modal analysis, we proposed the process which is the selection of the locations and the number of measurement points for pre-test.

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