• Title/Summary/Keyword: NEST

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Case Study on Nest's "Internet of Energy (IoE)" Business Model: Based on Strategic Choices for Connected Product

  • Song, Minzheong
    • International Journal of Internet, Broadcasting and Communication
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    • v.11 no.1
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    • pp.89-96
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    • 2019
  • The purpose of this study is to investigate Nest Labs (Nest)'s business strategy. The activities based on strategic choices for monetizing connected product are investigated. Nest's capacity and functionality is to offer a seamless integration of devices, platforms, and services and the "Works with Nest" offers an ecosystem fulfilling the needs of different partners. For monetizing customer data, Nest provides a seamless customer experience supported by product incentives. Nest introduces open APIs to connect its connected products to the wider Internet of things (IoT) and open to "If This, Then That." The Nest app controls them from one single place. Nest partners with 32 energy providers as of 2017 and they provide energy from renewable and non-renewable energy sources. Nest also creates a sales channels in direct and indirect route and expands is business model to other industries such as home-rental service, 'AirBnB' to help consumers become more energy-efficient at home.

Nest Box Preference by Secondary Cavity-Nesting Birds in Forested Environments

  • Choi, Chang-Yong;Nam, Hyun-Young;Lee, Eun-Jae;Chung, Ok-Sik;Park, Yong-Su;Lee, Jong-Koo;Hyun, Jee-Yun;Lee, Woo-Shin
    • Journal of Ecology and Environment
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    • v.30 no.1
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    • pp.49-56
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    • 2007
  • We placed and monitored 2,137 nest boxes to determine how the size of the entrance hole and the box placement influenced nest box selection by secondary cavity-nesting birds and to derive recommendations for the use of nest boxes for management of cavity-nesting birds in forested environments. A total of 566 pairs of seven bird species used the nest boxes from 1997 to 2006, 562 of which were secondary cavity-nesters. Sympatric tits such as varied tits (Parus varius), great tits (P. major), and marsh tits (P. palustris) were common breeding birds in nest boxes, and showed clear preferences for 4.0 cm, 3.5 cm and 3.0 cm nest holes, respectively. Tree sparrows (Passer montanus) and Eurasian nuthatches (Sitta europaea) preferred 4 cm and 3.5 cm holes, respectively. We did not detect selection for the directional orientation for the entrance hole, but the birds appeared to avoid nest boxes that faced steep or gentle upward slopes and those less than 1.8 m from the ground. These results are probably related to avoidance of disturbance and predation. We suggest that diverse species can be supported by the placement of nest boxes with entrance holes of various sizes and that specific species can be targeted by selecting the hole sizes preferred by those species. To attract secondary cavity-nesters, managers should avoid placing nest boxes close to the ground and facing hills. This study also suggests that careful selection and placement of nest boxes is needed to avoid biases in research using nest boxes.

The Validation of the Estimate Adolescents' Parents Attachment level by the Bird's Nest Drawings (새둥지화를 통한 청소년의 부모애착수준 타당화 연구)

  • Kim, Gab-Sook;Jeon, Young-Sook
    • Korean Journal of Human Ecology
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    • v.17 no.6
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    • pp.1065-1077
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    • 2008
  • The purpose of this study was to verify whether BND test was an appropriate tool for diagnosis of attachment security and to investigate difference of responsive Characteristics to the Bird's Nest Drawings according to parents attachment degree. The subjects in the study were 525 students, selected from senior high schools in D-city. The instruments used were parents attachment scale and Bird's Nest Drawings, and Discriminant analyses and crosstab analyses were used. The results were as follows. First, attachment indicators in the Bird's Nest Drawings discriminated according to group of parents attachment. Second, for male student, there was a significant difference placement nest, eggs, entire birds family, quality of line and tree picture according to attachment to father. For female student, there was a significant difference eggs, entire birds family, quality of line and tree picture according to attachment to father. For male student, there was a significant difference nest contents, placement nest, eggs, entire birds family, quality of line and tree picture according to attachment to mother. For female student, placement nest, space, nest size, eggs, entire birds family and quality of line according to attachment to mother.

Vertical nest stratification and breeding success in a six mixed-species heronry in Taeseong, Chungbuk, Korea

  • Park, Shi-Ryong;Kim, Kwan-Yong;Chung, Hoon;Choi, Yu-Seong;Sung, Ha-Cheol
    • Animal cells and systems
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    • v.15 no.1
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    • pp.85-90
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    • 2011
  • In 2001, we conducted a study to assess the effects of differential arrival times and nest-site selection on reproductive performance in a mixed-species heronry consisting of six species in Taeseong-ri, Chungbuk, Korea. We recorded the arrival dates, nest heights, clutch sizes, and brood sizes after 15-20 days of the age of the birds' chicks. The grey herons and cattle egrets arrived first and last, respectively, on the colony site. In the homogenous vegetation structure of the breeding site, the pitch pine trees (Pinus rigida) were mainly used for building nests on 48 of the 50 pine trees (96%). The breeding species vertically stratifies the nest sites according to their body size, except for the cattle egrets and black-crowned night herons that nested at sites higher than those predicted from their body size. The mean nest success rates of the six species under study were positively correlated with the mean nest heights. Our findings suggest that aggressive interspecific interactions among neighbors influence nest-site selection to enhance breeding success.

Nutrition Evaluation Screening Tool: An Easy to Use Screening Tool for Hospitalised Children

  • Dokal, Kitt;Asmar, Nadia;Shergill-Bonner, Rita;Mutalib, Mohamed
    • Pediatric Gastroenterology, Hepatology & Nutrition
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    • v.24 no.1
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    • pp.90-99
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    • 2021
  • Purpose: Nutrition screening is vital to ensure patients are appropriately managed in hospital. In paediatrics there is currently no universally accepted nutrition screening tool. The Nutrition Evaluation Screening Tool (NEST) was developed as an easy to use and practical screening tool for hospitalised children. We aim to evaluate compliance of the NEST and assess agreement of the NEST with the already validated nutrition screening tools, Screening Tool for Risk on Nutritional Status and Growth (STRONGkids), Screening Tool for the Assessment of Malnutrition in Paediatrics (STAMP) and the Subjective Global Nutritional Assessment (SGNA) tool. Methods: Retrospective review of 102 patient episodes at the Evelina London Children's Hospital. Electronic records were used to assess NEST compliance and to complete the nutrition tools for each patient episode. Cohen's kappa was used to determine the level of agreement between each nutrition tool. Results: There was moderate agreement between the NEST and the two screening tools, STRONGkids (κ=0.472) and STAMP (κ=0.416) for patients on initial screening at admission. 87.2% of patient episodes were NEST compliant within 24 hours of admission to hospital. Conclusion: The moderate agreement between these two already validated screening tools enhances the NEST's validity as a paediatric screening tool. The NEST had the strongest correlation with the SGNA tool compared to other screening tools. The NEST is user friendly screening tool for hospitalised children.

On the Polymorphism in a Polydomous Red Wood Ants, Formica rufa truncicola var. yessoensis Forel in Korea (한국산 불개미의 다형현상에 관하여)

  • Kim Chang Hyo
    • Korean journal of applied entomology
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    • v.16 no.2 s.31
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    • pp.105-113
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    • 1977
  • In this paper have been examained the relation of tssk performance to body size. the variation of venation of males, sex ratio, breeding by forms of worker's pupae and structure by forms of workers's colony to nest size in polymorphism of polydomous red wood ant, Formica rufa truncicola var. yessoensis Forel in Korea. 1. The workers are classified into three forms, in which small form mainly performs itself the task of nursing in the nest and the visit to aphid from the outside of the nest, medium and large form mainly do not only the stinct of prey carrying from the outside of the nest and nest structure, but the task of protecting colony of outside. But the small forms visiting to aphid is not always fixed but seems to be changed with season. 2. The variation forms of venation of males are fourteen, generally, they have various variations of the discoidal. 3. Generally, sex ratio of Formica rufa truncicola var. yessoensis Forel is the same proportion, but it seems that there are some difference according to its characteristic of colony in each nest and polydomous colony structure in its habitat. 4. In summer season the medium form makes a colony in high proportion without any relations with the size of nest but. during hibernation, small form coasists in small nest, medium in medium nest and large in large nest. And so the structure of worker's colony by forms according to their nest size seems to be changed with season.

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Breeding status and nest site characteristics of Black-faced Spoonbills Platalea minor on Chilsando Islands, Korea (칠산도의 저어새 번식 현황과 둥지장소 특성)

  • Kwon, In-Ki;Kang, Jung-Hoon;Lee, Ki-Sup;Lee, Ji-Yeon;Kim, In-Kyu;Yoo, Jeong-Chil
    • Korean Journal of Environment and Ecology
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    • v.29 no.5
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    • pp.703-709
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    • 2015
  • A breeding pair of the Black-faced Spoonbill Platalea minor was firstly recorded on Chilsando Islands, Younggwang, Jeollanamdo Province in 1991. Since the mid 2000s, breeding population on the breeding sites has gradually increased. This study was conducted to identify breeding status and nest site characteristics of the species from May to August, 2013 on Chilsando Islands. We recorded number of nests, length and width of the nest base, slope around the nests, nest materials, distances from the nearest nest, presence of nest cover and nesting area. In 2013 breeding season, 25 of 49 nests produced at least one successful fledging. A total of 55 youngs were successfully fledged and number of fledging per nest was 2.20 individuals. Nesting area was $77.8m^2$ and $93.4m^2$ for Sansando and Yuksando Islet, respectively. Soil and soil mixed with tree root were preferred for substrate of nest base over rock and Brassica napus was dominantly selected as nest materials by Black-faced Spoonbills. Nest characteristics of 22 nests in Sasando and Yuksando Islet varied $49.59{\pm}6.53cm$(mean${\pm}$SD) for length of nest base, $41.00{\pm}5.82cm$ for width of nest base, $20.85{\pm}9.96^{\circ}$ for slope above the nest, $34.09{\pm}17.75^{\circ}$ for slope below the nest and $130.82{\pm}84.17cm$ for distances from the nearest nest. Fifteen pairs (68.2%) occupied where nest cover existed. Nest cover were located in front of the nest for 5 pairs, back of the nest for 9 pairs and both front and back of the nest for 1 pair.

Studied on Habitat and Nest Characteristic of the Breeding Goshawk [Northern Goshawk] Accipiter gentilis in South Korea (한국에서 번식하는 참매 Accipiter gentilis 의 영소지 및 둥지 특성에 관한 연구)

  • Yi, Jin-Hee;Lee, In-Kyoon;Baek, Choong Ryul;Cho, Sam-Rae
    • Journal of the Korean Society of Environmental Restoration Technology
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    • v.16 no.5
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    • pp.83-92
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    • 2013
  • The present study documented the characteristics of habitats and nests of Goshawk [Northern goshawk] Accipiter gentilis breeding in Gongju-si, Chungcheongnam-do and Haepyung, Kyungsangbuk-do, Eumsung-gun, Chungju-si, Chungcheongbuk-do from April 2007 to August 2011. Breeding habitat includes of mixes and deciduous trees and ravine forest, ranging from small to large areas and it used make a new nest and fix up the old nest at Goshawk. Goshawk make nests on Japanese larch Larix leptolepis, Japanese red pine Pinus densiflora and Pitch pine Pinus rigidae of $15.8{\pm}2.36m$ (range=7.4~18.7m) in height and $34.6{\pm}7.38cm$ (range=20.8~47.4cm) in diameter-at-breast height (DBH). It has $135.8{\pm}3.37cm$ in outer diameter of nest, $26.2{\pm}2.39cm$ in inner diameter, $7.1{\pm}1.41cm$ of depth, and $3.1{\pm}0.40Kg$ of weight. Breeding habitat (n=13) has 5~7 nests. It has 7 (53.8%) nest in fix up the old nest and 4 (30.8%)nests in make a new nest.

Changes of the Breeding State of Little Tern (Sterna albifrons) in the Nakdong Estuary, Busan, Republic of Korea (낙동강하구에서 쇠제비갈매기의 번식 상황의 변화)

  • Lee, In-Sup;Hong, Soon-Bok
    • Journal of Life Science
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    • v.19 no.11
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    • pp.1611-1616
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    • 2009
  • This study was conducted to determine the characteristics in breeding of the little tern Sterna albifrons in Shinja-do and Doyo-Deung in Nakdong estuary. The data was obtained in the middle and late 1990's and in the mid 2000's, which were analysed for the breeding information of the little tern. In Shinja-Do, a total of 638 nests were observed in 1995, and the average numbers of eggs laid per nest were 2.48. In 2004 and 2005, 94 and 456 nests were observed, and the average number of eggs laid per nest was 2.16 and 2.53, respectively. There was a significant difference between the average numbers of eggs laid per nest for the 3 respective years. In Doyo-Deung, a total of 269 nests were observed in 1998, and the average number of eggs laid per nest was 2.16. In 2004 and 2005, 1,023 and 1,123 nests were observed, and the average numbers of eggs laid per nest were 2.33 and 2.52, respectively. There was a significant difference (p<0.001) between the average number of eggs laid per nest as well. Hatching success rate by nesting site in Shinja-Do was calculated in 1995. Type A nest (nest located on dry sand land) showed a 56.8% success rate, and type B nest (nest located on the land with dwarf grass), type C nest (nest located on moist land) and type D nest (nest located on the land with shells) showed 55.3%, 36.6% and 59.3% success rates, respectively. The average hatching success rate in Shinja-Do was 54.5%. The most crucial factor for hatching failure was flood, especially, for the type C nests. The hatching success rate by the nesting site in Doyo-Deung showed an average of 73.2%. It was high in type D nest (83.8%) and type A nest (75.9%), and low in type C nest (59.7%). Again, the most crucial factor for hatching failure was flood, especially, for the type C nests. Nakdong estuary has been through many changes over time, particularly in recent. Therefore, continuous efforts to keep it a breeding place for the little tern are urgently required, including overall management of land, protection of reef and sand, etc.

Development of Analysis Model for R&D Environment Change in Search of the Weak Signal (Weak Signal 탐색을 위한 연구개발 환경변화 분석모델 개발)

  • Hong, Sung-Wha;Kim, You-Eil;Bae, Kuk-Jin;Park, Young-Wook;Park, Jong-Kyu
    • Journal of Korea Technology Innovation Society
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    • v.12 no.1
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    • pp.189-211
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    • 2009
  • The importance of searching the weak signal has been increasingly recognized to cope with rapidly changing circumstances as an environmental analysis technique. This study proposed the NEST process for the searching for the weak signal. The NEST (New & Emerging Signals of Trends) is a micro environmental analysis process based on both quantitative and qualitative method. For this, the weak signal Searching Board is developed and traditional methods as global monitoring, trend analysis, brainstorming and delphi method are implemented to NEST. The NEST process is consists of three stage modules; the global monitoring stage in search of seeds information related to the environmental change, the weak signal analysis stage using the weak signal Tracking Board, and the delphi valuation stage for objectifying the final result. The NEST provides the weak signal of the promising technology which can bring new paradigm and the Up-Coming Trends which can lead new trend in the future. These outputs can be used to select promising technology from firm level to national level. The NEST system can be effectively operated as well as in small group so that small and medium innovative firms can develop and execute their own NEST process individually.

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