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Growth Performance of Early Finishing Gilts as Affected by Different Net Energy Concentrations in Diets

  • Lee, Gang Il;Kim, Kwang-Sik;Kim, Jong Hyuk;Kil, Dong Yong
    • Asian-Australasian Journal of Animal Sciences
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    • v.28 no.11
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    • pp.1614-1623
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    • 2015
  • The objectives of the current experiment were to study the response of the growth performance of early finishing gilts to different net energy (NE) concentrations in diets, and to compare the NE values of diets between calculated NE values and measured NE values using French and Dutch CVB (Centraal Veevoederbureau; Central Bureau for Livestock Feeding) NE systems. In a metabolism trail, the NE concentrations in five diets used for the growth trial were determined based on digestible nutrient concentrations, digestible energy, and metabolizable energy using a replicated $5{\times}5$ Latin square design with 10 barrows (initial body weight [BW], $39.2{\pm}2.2kg$). In a growth trial, a total of 60 early finishing gilts (Landrace${\times}$Yorkshire; initial BW, $47.7{\pm}3.5kg$) were allotted to five dietary treatments of 8.0, 9.0, 10.0, 11.0, and 12.0 MJ NE/kg (calculated, as-is basis) with 12 replicate pens and one pig per pen in a 42-d feeding experiment. The NE and amino acid (AA) concentrations in all diets were calculated based on the values from NRC (2012). Ratios between standardized ileal digestible AA and NE concentrations in all diets were closely maintained. Pigs were allowed ad libitum access to feed and water. Results indicated that calculated NE concentrations in diets (i.e., five dietary treatments) were close to measured NE concentrations using French NE system in diets. The final BW was increased (linear and quadratic, p<0.05) with increasing NE concentrations in diets. Furthermore, average daily gain (ADG) was increased (linear and quadratic, p<0.01) with increasing NE concentrations in diets. There was a quadratic relationship (p<0.01) between average daily feed intake and NE concentrations in diets. Feed efficiency (G:F) was also increased (linear, p<0.01) as NE concentrations in diets were increased. The NE intake per BW gain (kcal NE/kg of BWG) was increased (linear, p<0.01) with increasing NE concentrations in diets that were predicted from both French and Dutch CVB NE systems. Linear regression indicated that predictability of daily NE intake from the BW of pigs was very low for both French ($R^2$, 0.366) and Dutch CVB ($R^2$, 0.374) NE systems. In conclusion, increasing NE concentrations in diets increase BW, ADG, G:F, and NE intake per BW gain of early finishing gilts. The BW of early finishing gilts is not a good sole variable for the prediction of daily NE intake.

Physicochemical Characteristics and Antioxidant Activity of Dutch Coffee Depending on Different Extraction Conditions and Storage (추출 및 저장 조건에 따른 더치커피의 이화학적 특성 및 항산화 활성)

  • So, Yun-Ji;Lee, Min-Woo;Yoo, Kyung-Mi;Kang, Hee-Jin;Hwang, In-Kyeong
    • Korean Journal of Food Science and Technology
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    • v.46 no.6
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    • pp.671-676
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    • 2014
  • This study was designed to evaluate the changes in the physicochemical properties and antioxidant activity of Dutch coffee (cold brew) under different conditions of extraction and storage. Dutch coffee was extracted from ground coffee soaked in water at 4 or $20^{\circ}C$ and stored for 8 weeks at 4 or $20^{\circ}C$. The storage temperature affected the decline in pH and increase in acidity compared to the extraction temperature. The total phenol content partly decreased during the storage period. As the extraction temperature increased, the ABTS [2,2'-azinobis-(3-ethylbenzothiazoline-6-sulfonic acid)] and DPPH (2,2-diphenyl-1-picrylhydrazyl) radical-scavenging activities also increased; in fact, DPPH radical-scavenging activity showed a general increase. As the storage time prolonged, the caffeine content decreased, but the contents of caffeic acid and chlorogenic acid increased. The results for all kinds of samples indicated that the general bacterial count was <1 CFU/mL, which indicated that the coffee can be stored for and consumed within 8 weeks.

Museum Politics: A Study of Orientalism as Represented in the National Museum of Indonesia (박물관의 정치학: 인도네시아 국립박물관에 표상된 오리엔탈리즘 연구)

  • Song, Seung-Won
    • The Southeast Asian review
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    • v.21 no.1
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    • pp.137-184
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    • 2011
  • This article is aimed at understanding the political narratives represented in the National Museum of Indonesia. Starting initially as a colonial museum, the National Museum of Indonesia functioned as a useful tool for the Dutch colonial force to fuel its imaginations of the colonial territory and the people within it. The Dutch used the cultural display to advertize its benevolent colonial rule. All the while, the museum also inevitably reflected orientalism on the people and the culture of the colony. The republic of Indonesia inherited the colonial museum's practices and its display patterns. The business surrounding the museum also played a key role in the newly-born nation-state laying out a future for its redefined territory and people. Thus, what the colonial force imagined for the colonial territory through the study of museum displays was rather directly transferred to the republic without serious consideration of the decolonization process. Four main characteristics have been seen in the museum displays. The first is an emphasis on the glorious Hindu-Buddha history, from which numerous temples, statues, and jewelry have been found. Secondly, the Islamic period, which spanned between the Hindu-Buddha times to the colonial era, has almost completely been eliminated from the display. Third, the colonial era has been depicted as the time of Europe's exportation of scientific tools and adaption of sophisticated living patterns. Fourth, the images of ethnic groups were represented as being stagnant without reflecting any challenges and responses that these groups had faced throughout history. Looking at these display patterns, it can be concluded that all the dynamic internal developments and anti-colonial resistance that took place during the Islamic and Colonial Era have simply not been represented in the museum display. These display patterns do not reflect the real history or culture of the archipelago. Two considerations are thought to have influenced the neglecting of social realities in the display. The first of which is the Dutch's and Republic's apprehension over the possible political upheaval by the Islamic forces. Yet, more fundamentally, cultural displays themselves are distinct from historical education in that the former pays more attention to business ideas with an aim to attract tourists rather than to project objective historical knowledge. Thus, in cultural displays, objects which work to stimulate fantasies and spur curiosity on archipelagic culture tend to be selected and emphasized. In this process, historical objectivity is sometimes considered less vital. Cultural displays are set up to create more appealing narratives for viewers. Therefore, if a narrative loses its luster, it will be replaced by another flashy and newly-resurrected memory. This fact reveals that museums, as transmitters of historical knowledge, have a certain degree of limitation in playing their role.

Autopilot Design for a Target Drone using Rate Gyros and GPS

  • Rhee, Ihnseok;Cho, Sangook;Park, Sanghyuk;Choi, Keeyoung
    • International Journal of Aeronautical and Space Sciences
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    • v.13 no.4
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    • pp.468-473
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    • 2012
  • Cost is an important aspect in designing a target drone, however the poor performance of low cost IMU, GPS, and microcontrollers prevents the use of complex algorithms, such as ARS, or INS/GPS to estimate attitude angles. We propose an autopilot which uses rate gyro and GPS only for a target drone to follow a prescribed path for anti-aircraft training. The autopilot consists of an altitude hold, roll hold, and path following controller. The altitude hold controller uses vertical speed output from a GPS to improve phugoid damping. The roll hold controller feeds back yaw rate after filtering the dutch roll oscillation to estimate the roll angle. The path following controller operates as an outer loop of the altitude and roll hold controllers. A 6-DOF simulation showed that the proposed autopilot guides the target drone to follow a prescribed path well from the view point of anti-aircraft gun training.

Feasibility and Acceptability of Workers' Health Surveillance for Fire Fighters

  • Plat, Marie-Christine J.;Frings-Dresen, Monique H.W.;Sluiter, Judith K.
    • Safety and Health at Work
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    • v.2 no.3
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    • pp.218-228
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    • 2011
  • Objectives: The objective of this study was to test the feasibility and acceptability of a new workers' health surveillance (WHS) for fire fighters in a Dutch pilot-implementation project. Methods: In three fire departments, between November 2007 and February 2009, feasibility was tested with respect to i) worker intent to change health and behavior; ii) the quality of instructions for testing teams; iii) the planned procedure in the field; and iv) future WHS organisation. Acceptability involved i) satisfaction with WHS and ii) verification of the job-specificity of the content of two physical tests of WHS. Fire fighters were surveyed after completing WHS, three testing teams were interviewed, and the content of the two tests was studied by experts. Results: Feasibility: nearly all of the 275 fire fighters intended to improve their health when recommended by the occupational physician. The testing teams found the instructions to be clear, and they were mostly positive about the organisation of WHS. Acceptability: the fire fighters rated WHS at eight points (out of a maximum of ten). The experts also reached a consensus about the optimal job-specific content of the future functional physical tests. Conclusion: Overall, it is feasible and acceptable to implement WHS in a definitive form in the Dutch fire-fighting sector.

Domestic Space Usage and Behavioral Patterns in Belgium (II) -With Special Reference to the Dutch Speaking Community- (벨지움의 주거공간 사용행태에 대한 연구 (II))

  • 김미희
    • Journal of the Korean housing association
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    • v.8 no.3
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    • pp.59-66
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    • 1997
  • The purpose of this study is to explore the relationships between the various types of activities occurring in domestic space and the resident's characteristics in Belgium. Data for this study was collected by questionnaires mailed to 133 staff member. both academic and administrative. working at The Free University of Brussels. a university serving the Dutch speaking community in Belgium. General leneal model and Duncan test were used in analyzing the data. The major findings of the study can be summarized as follows: First. families in the life-cycle stage of having no children are more likely to relax and watch T.V. and do housework in the master bedroom than those in the launching stage. Families in the life-cycle stage of elementary school are more likely to eat meals in the kitchen than those in the launching period. Second. families made up two members and under tend to do more housework in the master bedroom than those of three and over. Third. those with aged 30 and under are more likely to relax and watch T.V., and to do housework in the master bedroom than those with aged 51 and over. Forth. the renter status of homeownership tend to more relax and watch T.V., and to do housework in the master bedroom than the owner Fifth. those living with less floor space tend to relax and watch T.V. in the master bedroom more than those with larger residences.

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Dental maturity of Saudi children: Role of ethnicity in age determination

  • Baghdadi, Ziad D.
    • Imaging Science in Dentistry
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    • v.43 no.4
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    • pp.267-272
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    • 2013
  • Purpose: Demirjian's dental maturity scores and curves have been widely used for human age determination. Several authors have reported considerable differences between the true and estimated age based on the Demirjian curves, which have been accounted for by ethnicity. The purpose of the current study was to assess the role of ethnicity-specific dental maturation curves in age estimation of Saudi children. Materials and Methods: A sample of 452 healthy Saudi children aged 4 to 14 years were aged based on the original French-Canadian Demirjian curves and several modified Demirjian curves specified for certain ethnic groups: Saudi, Kuwaiti, Polish, Dutch, Pakistani, and Belgian. One-way ANOVA and a post hoc Scheff$\acute{e}$'s test were used to assess the differences between chronological age and dental age estimated by the different curves (P<0.05). Results: The curves designed for Dutch, Polish, Saudi, and Belgian (5th percentile) populations had a significantly lower error in estimating age than the original French-Canadian and Belgian (50th percentile) curves. The optimal curve for males was the Saudi one, with a mean absolute difference between estimated age and chronological age of 8.6 months. For females, the optimal curve was the Polish one, with a mean absolute difference of 7.4 months. It was revealed that accurate age determination was not related to certain ethnicity-specific curves. Conclusion: We conclude that ethnicity might play a role in age determination, but not a principal one.

Effect of dietary net energy concentrations on growth performance and net energy intake of growing gilts

  • Lee, Gang Il;Kim, Jong Hyuk;Han, Gi Ppeum;Koo, Do Yoon;Choi, Hyeon Seok;Kil, Dong Yong
    • Asian-Australasian Journal of Animal Sciences
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    • v.30 no.9
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    • pp.1314-1322
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    • 2017
  • Objective: This experiment investigated the effect of dietary net energy (NE) concentrations on growth performance and NE intake of growing gilts. Methods: Five diets were formulated to contain 9.6, 10.1, 10.6, 11.1, and 11.6 MJ NE/kg, respectively. A metabolism trial with 10 growing pigs (average body weight [BW] = $15.9{\pm}0.24kg$) was conducted to determine NE concentrations of 5 diets based on French and Dutch NE systems in a $5{\times}5$ replicated Latin square design. A growth trial also was performed with five dietary treatments and 12 replicates per treatment using 60 growing gilts (average BW = $15.9{\pm}0.55kg$) for 28 days. A regression analysis was performed to predict daily NE intake from the BW of growing gilts. Results: Increasing NE concentrations of diets did not influence average daily gain and average daily feed intake of growing gilts. There was a quadratic relationship (p = 0.01) between dietary NE concentrations and feed efficiency (G:F), although the difference in G:F among treatment means was relatively small. Regression analysis revealed that daily NE intake was linearly associated with the BW of growing gilts. The prediction equations for NE intake with the BW of growing gilts were: NE intake (MJ/d) = $1.442+(0.562{\times}BW,kg)$, $R^2=0.796$ when French NE system was used, whereas NE intake (MJ/d) = $1.533+(0.614{\times}BW,kg)$, $R^2=0.810$ when Dutch NE system was used. Conclusion: Increasing NE concentrations of diets from 9.6 to 11.6 MJ NE/kg have little impacts on growth performance of growing gilts. Daily NE intake can be predicted from the BW between 15 and 40 kg in growing gilts.

A Study on the Correlation between Standard Penetration Resistance Value and Static Cone Penetration Resistance Value of the Soft Ground Subsurface of Yongdong Area (표준관입저항치와 정적콘관입저항치의 상관성에 관한 연구 - 영동지역의 연약지반을 중심으로 -)

  • Kim, Jinam;Park, Heunggyu
    • Journal of the Korean GEO-environmental Society
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    • v.7 no.5
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    • pp.13-20
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    • 2006
  • We have conducted standard penetration tests and static cone penetration tests that are widely used the land base examination on the soft ground subsurface of Yongdong area, and examined the correlation between them. We have also made a comparative analysis of the correlation between the indoor tests on the materials collected on the site and on-the-spot penetration tests. The results are as follows : The relationship between Standard Penetration Test N-value and Dutch Cone Tset show $Q_c=1.93N+0.29$ for organic soil, $Q_c=2.19N+0.20$ for clay, $Q_c=2.34N+1.06$ for silt, $Q_c=3.02N+0.54$ for silty sand, and $Q_c=3.47N+0.46$ for sand. In this case of sand $Q_c/N$ increases when the soil particles are larger. The relationship between standard penetration test N-value and Unconfined Compression Strength $q_u$ show $q_u=0.11N+0.03$ for organic soil, $q_u=0.11N+0.25$ for clay, and $q_u=0.18N-0.03$ for silt.

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A Study on Social Integration in the Netherlands: For immigrants (네덜란드의 사회통합에 대한 연구: 이주민들을 대상으로)

  • Lee, Hyangsoo;Lee, Seong-Hoon
    • Journal of Digital Convergence
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    • v.16 no.10
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    • pp.39-47
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    • 2018
  • The purpose of this study is to examine the cases of social integration in immigrants in the Netherlands and to clarify the implications for Korea. The Netherlands is a country that implements social integration policies targeting foreign immigrants. We are preemptively implementing social integration policies for foreigners ahead of us. In this study, first of all, the literature on social integration for the immigrants in the Netherlands and the consultation on the experts were sought and the implications for the Dutch government 's social integration policy were sought. In addition, policy implications were derived based on the results of Dutch case analysis. First, the social integration program of the Dutch government mandated social integration programs for migrants, and the costs were also monetized, encouraging social integration. Also, when participation in the social integration program is passive, it imposes sanctions on migrants and emphasizes the responsibility of individual migrants. In addition, the Ministry of Internal Affairs is the control tower of the government's promotion system, and it has a platform for the unity of social integration programs in local governments. Based on the results of this analysis, the implications for the social integration policy of Korea were suggested.