• Title/Summary/Keyword: assessment of safety

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Thermal imaging and computer vision technologies for the enhancement of pig husbandry: a review

  • Md Nasim Reza;Md Razob Ali;Samsuzzaman;Md Shaha Nur Kabir;Md Rejaul Karim;Shahriar Ahmed;Hyunjin Kyoung;Gookhwan Kim;Sun-Ok Chung
    • Journal of Animal Science and Technology
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    • v.66 no.1
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    • pp.31-56
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    • 2024
  • Pig farming, a vital industry, necessitates proactive measures for early disease detection and crush symptom monitoring to ensure optimum pig health and safety. This review explores advanced thermal sensing technologies and computer vision-based thermal imaging techniques employed for pig disease and piglet crush symptom monitoring on pig farms. Infrared thermography (IRT) is a non-invasive and efficient technology for measuring pig body temperature, providing advantages such as non-destructive, long-distance, and high-sensitivity measurements. Unlike traditional methods, IRT offers a quick and labor-saving approach to acquiring physiological data impacted by environmental temperature, crucial for understanding pig body physiology and metabolism. IRT aids in early disease detection, respiratory health monitoring, and evaluating vaccination effectiveness. Challenges include body surface emissivity variations affecting measurement accuracy. Thermal imaging and deep learning algorithms are used for pig behavior recognition, with the dorsal plane effective for stress detection. Remote health monitoring through thermal imaging, deep learning, and wearable devices facilitates non-invasive assessment of pig health, minimizing medication use. Integration of advanced sensors, thermal imaging, and deep learning shows potential for disease detection and improvement in pig farming, but challenges and ethical considerations must be addressed for successful implementation. This review summarizes the state-of-the-art technologies used in the pig farming industry, including computer vision algorithms such as object detection, image segmentation, and deep learning techniques. It also discusses the benefits and limitations of IRT technology, providing an overview of the current research field. This study provides valuable insights for researchers and farmers regarding IRT application in pig production, highlighting notable approaches and the latest research findings in this field.

A Study on the Parameters Influencing the Failed Soil-Slope in Okcheon Metamorphic Zone (옥천변성대 절개지 사면의 토층붕괴 영향인자에 관한 연구)

  • Lee, Kyoung-Mi;Kim, Byung-Chan;Seo, Yong-Seok
    • The Journal of Engineering Geology
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    • v.19 no.4
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    • pp.501-508
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    • 2009
  • This study aims to clarify the characteristics of the physical and mechanical properties of soil-slope failure of Okcheon metamorphic zone. Soil samples were collected from 35 collapsed and uncollapsed artificial slopes along national roads. A series of laboratory experiments was carried out to examine physical and mechanical properties of soils and rocks. The results show that failure slopes have weakness of failure at 0.75 of AMI or higher, 32% of liquid limit or higher, and 31% of saturated moisture content or higher. The plastic index of failure slopes is correlated to wet density and saturated density. It turned out that failure could easily happen according to a high plastic index even if the void ratio was low. The greater the contents of bigger-sized soil, i.e. contents of sands and gravels rather than of clays, is the greater the chance to fail at the slope.

Un-met Supportive Care Needs of Iranian Breast Cancer Patients

  • Abdollahzadeh, Farahnaz;Moradi, Narges;Pakpour, Vahid;Rahmani, Azad;Zamanzadeh, Vahid;Mohammadpoorasl, Asghar;Howard, Fuchsia
    • Asian Pacific Journal of Cancer Prevention
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    • v.15 no.9
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    • pp.3933-3938
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    • 2014
  • Background: Assessment of supportive needs is the requirement to plan any supportive care program for cancer patients. There is no evidence about supportive care needs of Iranian breast cancer patients. So, the aims of present study were to investigate this question and s predictive factors. Materials and Methods: A descriptive-correlational study was conducted, followed by logistic regression analyses. The Supportive Care Needs Survey was completed by 136 breast cancer patients residing in Iran following their initial treatment. This assessed needs in five domains: psychological, health system and information, physical and daily living, patient care and support, and sexuality. Results: Patient perceived needs were highest in the health systems and information (71%), and physical and daily living (68%) domains. Logistic regression modeling revealed that younger participants have more un-met needs in all domains and those with more children reported fewer un-met needs in patient care and support domains. In addition, married women had more un-met supportive care needs related to sexuality. Conclusions: The high rate of un-met supportive care needs in all domains suggests that supportive care services are desperately required for breast cancer patients in Iran. Moreover, services that address informational needs and physical and daily living needs ought to be the priority, with particular attention paid to younger women. Further research is clearly needed to fully understand supportive care needs in this cultural context.

A Special Purpose FE Program for the Collapse Strength Analysis of Bulk Carrier Corrugated Bulkheads Subject to Accidental Flooding (침수시 산적화물선 파형 횡격벽 붕괴강도해석 전용 유한요소 프로그램 개발)

  • Jeom-Kee Paik;Sung-Geun Kim
    • Journal of the Society of Naval Architects of Korea
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    • v.35 no.2
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    • pp.63-73
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    • 1998
  • Due to the collapse of corrugated bulkheads subject to accidental flooding which is thought to be a primary cause of bulk carrier losses International Maritime Organization(IMO), the International Association of Classification Societies(IACS) and the leading classification societies are taking a growing concern for the structural safety of corrugated bulkheads of bulk carriers. To prevent progressive collapse of corrugated bulkhead in flooded condition particularly of forward cargo ho1d they try to make rules which require reinforcement of corrugated bulkhead structure. However, we are still confronted with the urgent problem of more accurate and efficient ultimate strength assessment for corrugated bulkheads. This paper develops a special purpose nonlinear FE program for analyzing progressive collapse behavior of corrugated bulkheads subject to lateral pressure loads. As verification examples, the program is applied to collapse strength analysis of steel corrugated bulkhead test model.

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Assessment of Potentially Inappropriate Medication Use in Korean Elderly Patients with Parkinson's Disease (국내 노인 파킨슨병 환자에서의 잠재적으로 부적절한 약물사용 현황에 대한 연구)

  • Seo, Mi-Kyung;Bae, Min Kyung;Lee, Iyn-Hyang;Jeon, Seongsill;Yoon, Jeong-Hyun
    • Korean Journal of Clinical Pharmacy
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    • v.25 no.4
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    • pp.254-263
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    • 2015
  • Objectives: The present study assessed the prevalence of the potentially inappropriate medication (PIM) use in Korean elderly patients with Parkinson's disease. In addition, this study examined risk factors that affect PIM use. Method: A retrospective, observational study was conducted using Korean National Health Insurance claims database of 2009. PIM use in Parkinson's disease patients aged 65 years or older was examined based on 2012 Beers Criteria. Multivariable logistic regression was conducted to identify risk factors for PIM use. Results: Among 5,277 elderly patients with Parkinson's disease, 88.9% of patients used PIM(s) at least once. The average number of PIM items used per patient was 4.2. PIM use ratio, the proportion of total amount of PIMs to all medications per patient, was 12.6%. Frequently used PIM therapeutic classes were benzodiazepines (32.7%), first-generation antihistamines (19.2%), and prokinetics (17.5%). Individual PIMs most commonly used included chlorpheniramine (11.4%), levosulpiride (10.9%), diazepam (9.0%), and alprazolam (7.6%). Women (odds ratio [OR] 1.14, 95% confidence interval [CI] 1.11-1.16), medical aid (OR 1.18, 95% CI 1.15-1.21), and long-term facilities (OR 2.43, 95% CI 2.22-2.65) were shown to be risk factors associated with PIM use. Of particular, wide variation in PIM use was associated with the types of healthcare facility. Conclusion: The PIM prevalence was very high in elderly Parkinson's disease patients. Nationally effective and systematic efforts to identify and prevent PIM use should be made to ensure patient safety and to improve quality of care in the elderly.

Development of Easily Chewable and Swallowable Pan-fried Flat Fish for Elderly (가자미 구이 저작·연하 용이 노인식 개발)

  • Kim, Soojeong;Joo, Nami
    • The Korean Journal of Food And Nutrition
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    • v.28 no.1
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    • pp.153-159
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    • 2015
  • This study was conducted to develop food for the elderly, which are well-shaped and easy to chew and swallow. The amounts of water and gelatin were adjusted to facilitate breaking down of the food with the tongue. In the aging society, it is necessary to support the development of a variety of products that can ease the intake functions of swallowing and chewing, while complementing with the essential nutrients supplements; such products can be actively commercialized in the elderly industry. Various types of food, for elderly with difficulties in chewing and swallowing, were used for sensory assessment. Sensory panel consisted of 10 dietitians (10 women) in nursing care facilities. The sensory optimal composite recipes were determined by central composite design (CCD). The sensory measurements were significantly different in the appearance (p<0.01), saltiness (p<0.01) and overall quality (p<0.01). The optimum formulation of pan fried flat fish, calculated by numerical and graphical method, was 8.54 g of salt and 6.34 g of olive oil. Moisture content, hardness, and adhesiveness of pan fried flat fish were 84.77%, 250, and -1.20, respectively. The result showed that easily chewable and swallowable pan fried flat fish for the elderly will have sufficient competitiveness, considering its safety, taste, and preference. This study may provide the basic materials for the development of easily chewable and swallowable foods for elderly.

Uncertainty Characteristics in Future Prediction of Agrometeorological Indicators using a Climatic Water Budget Approach (기후학적 물수지를 적용한 기후변화에 따른 농업기상지표 변동예측의 불확실성)

  • Nam, Won-Ho;Hong, Eun-Mi;Choi, Jin-Yong;Cho, Jaepil;Hayes, Michael J.
    • Journal of The Korean Society of Agricultural Engineers
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    • v.57 no.2
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    • pp.1-13
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    • 2015
  • The Coupled Model Intercomparison Project Phase 5 (CMIP5), coordinated by the World Climate Research Programme in support of the Intergovernmental Panel on Climate Change (IPCC) AR5, is the most recent, provides projections of future climate change using various global climate models under four major greenhouse gas emission scenarios. There is a wide selection of climate models available to provide projections of future climate change. These provide for a wide range of possible outcomes when trying to inform managers about possible climate changes. Hence, future agrometeorological indicators estimation will be much impacted by which global climate model and climate change scenarios are used. Decision makers are increasingly expected to use climate information, but the uncertainties associated with global climate models pose substantial hurdles for agricultural resources planning. Although it is the most reasonable that quantifying of the future uncertainty using climate change scenarios, preliminary analysis using reasonable factors for selecting a subset for decision making are needed. In order to narrow the projections to a handful of models that could be used in a climate change impact study, we could provide effective information for selecting climate model and scenarios for climate change impact assessment using maximum/minimum temperature, precipitation, reference evapotranspiration, and moisture index of nine Representative Concentration Pathways (RCP) scenarios.

A Study on Feasibility of Surface Wave Application for the Assessment of Physical Properties of Dam (표면파 적용 댐체 물성 조사 타당성 연구)

  • Kim, Hyoung-Soo;Min, Dong-Ju;Kim, Jung-Yul;Ha, Ik-Soo;Oh, Suk-Hoon
    • Proceedings of the Korean Geotechical Society Conference
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    • 2005.03a
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    • pp.384-391
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    • 2005
  • Three dimensional finite difference elastic wave model was developed to estimate the feasibility of surface wave applications in geotechnical problems. The wave motions calculated by the developed program in this study shows good agreement with well known analytic solutions. The surface wave motions calculated from layered dam type structure can be interpreted as a infinite layer structure using dispersion curve but it is need a special source of which high energy in frequency band lower than 10 Hz to get information of physical properties in few tens meter deep. The source which has high energy in the low frequency band, however, can give defect on dam and this will make some limitation in real field applications. The dispersion curves calculated from the surface wave motion of homogeneous and center core type dam models will give rise to fatal errors if the conventional infinite layer structure used in their interpretation because the surrounding materials and boundaries of dam make some distortion in dispersion curve of surface wave. So it is strongly recommended to use three dimensional inversion model for correct interpretation and estimation of physical properties of dam materials.

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An Analysis on the Appropriation of Chemical Accident Evacuation Facility Using GIS - focused on Ulsan metropolitan city - (GIS 기법을 활용한 화학사고 대피시설의 적정성 분석 - 울산광역시를 대상으로 -)

  • SONG, Bong-Geun;LEE, Tae-Wook;KIM, Hyun-Ju;KIM, Tai-Hoon
    • Journal of the Korean Association of Geographic Information Studies
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    • v.21 no.1
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    • pp.71-82
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    • 2018
  • The purpose of this study is to minimize damage of chemical accidents through the appropriation analysis of evacuation facility position focused on Ulsan metropolitan city. For analysis, informations such as pollutant release and transfer registers(PRTR), population census, and evacuation facilities were used. After then, damage assessment of chemical accidents, accessibility and appropriation of evacuation facilities were analyzed. Damage of chemical accidents is high in around 5km of industrial complex there is dense of chemical facility and population. Evacuation facilities were mainly situated in hazard area of chemical accidents, but accessibility of evacuation facilities was vulnerable in chemical plant neighborhood. Therefore, safety check of deteriorated plants is important for prevention of chemical accidents. Also, effective evacuation plan considering capacity and scale of evacuation facilities will be established.

A Systematic Review of Placenta Pharmacopuncture for Neuropsychiatric Diseases in Practice (자하거 약침의 신경정신과 임상 응용에 관한 체계적 문헌 고찰)

  • Shin, Haegue;Lee, Jae-Hyok;Kang, Hyung Won
    • Journal of Oriental Neuropsychiatry
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    • v.33 no.2
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    • pp.157-180
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    • 2022
  • Objectives: To perform a systematic review of placenta pharmacopuncture for treating neuropsychiatric diseases, focusing on its efficacy and the safety so that evidence on its clinical use could be obtained, thus contributing to further studies. Methods: Through Korean, English, and Chinese databases (OASIS, Korean TK, KISS, RISS, ScienceON, Pubmed, Cochrane, EMBASE, CINAHL, AMED, CNKI, and Wanfang), combinations of keywords (placenta, pharmacopuncture, etc.) were used to select clinical studies published until January 2021 about placenta pharmacopuncture for neuropsychiatric diseases. Interventions included combined treatments. Study design included cases studies, series, and clinical trials. Cohort studies, literature reviews, in vitro and animal experiments were excluded. The primary outcomes involved measurements of symptoms, Visual Analogue Scale, or questionnaires. Data extracted from databases were imported to Endnote X7 to remove duplicates. The quality of the literature was assessed based on CAse REports Guidelines and Cochrane's Risk of Bias (ROB). Results: Twenty-one studies were selected, including ten case reports, three case series, two one-armed clinical trials, one non-randomized clinical trial, and five randomized clinical trials. There were six studies on sleep disorders, five studies on stroke sequela, two on mood disorders, two on enuresis, two on Guillain-Barré syndrome, two on multiple sclerosis, one on neurocognitive disorder, and one on vertigo. The most frequent combined treatment was acupuncture in both the experimental group (n=10) and the control group (n=3). Acupoints were ST36, SP6, BL23, CV4, GB20, GV20, N-HN54, and so on. All studies reported improvement of symptoms. The quality of case studies was relatively high. Assessment of ROBs resulted in low risks. Conclusions: Placenta pharmacopuncture is effective for neuropsychiatric diseases such as sleep disorders, mood disorders, enuresis, and neurocognitive disorders. Regarding insomnia, several studies have reported significant improvements with placenta pharmacopuncture. There was no adverse event associated with placenta pharmacopuncture.