• 제목/요약/키워드: Reach ability

검색결과 273건 처리시간 0.022초

중성자선 실험 및 발암연구의 현황과 미래 (Current status of research on radionuclides used in nuclear mediccine)

  • 김희선
    • 동위원소회보
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    • 제21권3호
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    • pp.46-60
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    • 2006
  • In recent years the progress of nuclear medicine advanced dramatically in imaging and targeted radionuclide therapy is able to open op exciting perspectives as standard diagnostic and therapeutic modalities, complementing conventional modalities. Positron emission tomography/computed tomography (PET/CT) technology with FDG has been developed clinically in less than 10 years as a routine standard in oncological imaging, including a number of other fluorinated radiopharmaceuticals being evaluated for their ability to complement FDG. However, the limitation of FDG-PET such as non-specific uptake and its short half-life is not compatible with the time necessary for optimal tumour targeting. Therefore, a development of innovative positron-emitting radionuclides with half-lives longer than 10 h is needed. For therapeutic applications, the injection of higher activities is required to reach efficient adsorbed doses in radioresistant solid tumours, while limiting the irradiation of vital organs. In this application, the longer half-life of radiolsotopes are more fit well for radionuclide therapy. To achieve this, researches have to be carried in a largor spectrum of radionuclides for diagnosis and therapy. In the context of rapidly growing nuclear medicine and strong demanding innovative radionuclides, a high-energy (100 MeV), high-intensity (-mA) accelerator with proton (PEFF at KAFRI). will be operating in 2011. The priorities of PEFP will include supporting the nuclear medicine research community by providing those radionuclides with current limited availability by means of a high-energy, high-intensity accelerator.

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The Role of Adopting Financial Management Information Systems in Increasing Organizational Performance: Evidence from Kuwaiti SMEs

  • ALMUTAIRI, Humoud Awad
    • The Journal of Asian Finance, Economics and Business
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    • 제8권12호
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    • pp.411-420
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    • 2021
  • Based on the Financial Management Information Systems (FMIS) variables and supporting arenas, the current study aims to highlight the importance of FMIS in supporting organizations to achieve organizational excellence (Managing Liabilities, Support Decision Making, Cost Efficiency, Financial Quality, and Security). A quantitative approach was utilized by adopting a questionnaire as a tool. A convenient sample of (249) individuals from different Kuwaiti SMEs answered the questionnaire. SPSS v. 26 was used to analyze gathered data. The study's findings revealed that FMIS has a significant impact on organizational trials to achieve organizational excellence. This impact was most noticeable on the level of cost-efficiency, with an R-value of 0.583, followed by a positive impact on security, with an R-value of 0.453. Based on the results, it can be widely generalized that FMIS can help the organization reach organizational excellence through managing its financial affairs. As a result, the study recommends paying more attention to the quality of data presented to FMIS, keeping in mind that human errors in data entry might result in incorrect and malfunctioned data, even if it is processed by FMIS. FMIS also improves the ability of an organization to schedule financial information, such as obligations, receivables, debts, payments, and expenses.

Optimal Capital Adequacy Ratios for Commercial Banks: Empirical Evidence from Vietnam

  • LUONG, Thi Minh Nhi;NGUYEN, Phuong Anh
    • The Journal of Asian Finance, Economics and Business
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    • 제8권10호
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    • pp.47-56
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    • 2021
  • It is unavoidable for businesses, especially commercial banks, to compete with other firms and financial institutions in a globalized and internationalized world. Basel I, II, and III were developed by the Basel Committee on Banking Supervision with the primary purpose of supporting banks in dealing with potential risks and enhancing their ability to absorb losses. Basel II and III require the minimum capital adequacy ratio (CAR) of 8% and 10.5%, respectively. This paper estimates the optimal CAR of 26 commercial banks in Vietnam from 2016 to 2020 using the two-stage DEA method. According to the empirical findings, banks with ideal CARs exceeding 8% (as defined by Basel II) and 10.5 percent (as defined by Basel III) account for approximately 98 percent and 88 percent of all banks, respectively. Furthermore, 75.83 percent of all banks need to boost their existing CAR to achieve the optimal level of CAR as well as obtain the best performance. On average, the optimal CAR of state-owned banks is higher than other joint-stock banks, respectively 26 percent and 19 percent. Consequently, it is recommended for Vietnam commercial banks to reach optimal CAR and comply with the new policy set by Basel III with the purpose of approaching the efficient frontier.

협응이동훈련이 아동의 자세 불균형과 보행에 미치는 영향 : 단일사례설계 (Effect of Coordinative Locomotor Training on Postural Imbalance and Gait in Children : A Single Subject Design)

  • 이정아;김진철
    • 대한물리의학회지
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    • 제14권3호
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    • pp.63-71
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    • 2019
  • PURPOSE: This study was examined the effects of coordinative locomotor training (CLT) on the postural imbalance and gait in children. METHODS: Four children were sampled as subjects. A single subject study (A-B-A') was conducted by measuring the following: baseline five sessions;, intervention phase, 15 sessions;, and postline (A') five sessions. The research period was eight weeks. The CLT program consisted of warming-up exercise, main exercise, and finishing exercise, and it was performed for one hour per day. A oneleg standing test (OLST) was performed determine the static balance. A functional reach test (FRT) was performed determine the reactionary balance. To determine the dynamic balance, the time up and go test (TUG) was performed. A 10m walking test (10 MWT) was performed to determine the walking ability. A statistical test was performed through descriptive statistics to present the average and standard deviation, and the variation rate was compared using a visual analysis method with graphs. RESULTS: As a result of CLT application, all four subjects improved the OLST, FRT, TUG, and 10 MWT compared to the intervention period baseline, and postline period. CONCLUSION: CLT appeared to improve the posture imbalance and gait in children.

PC온라인게임과 스마트폰 게임의 변화에 대한 연구 (Chronological change of smart phone's games by pc oline games)

  • 강성구;강효순
    • 한국정보통신학회:학술대회논문집
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    • 한국정보통신학회 2014년도 춘계학술대회
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    • pp.925-928
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    • 2014
  • 현재 스마트폰 게임의 발전은 과거 컴퓨터 게임의 발전과 유사한 부분이 많다. 게임의 장르에 대한 선호도와 개발되는 게임의 종류 또한 점점 닮아 가고있으며 이는 스마트폰의 기술이 컴퓨터의 능력에 다가간다는 소리이다. 이에 본 논문에서는 pc온라인게임과 모바일 게임의 그래픽 기술과 네트워크의 발전에 따라 시대적 상황에 따른 유저들의 게임 장르에 대한 선호도를 분석하고 이를 기준으로 스마트폰 게임의 장르에 대한 유저들이 선호 방향을 알아보고 여기에 대한 요인을 분석하였다.

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Comparison of the ability of Reciproc and Reciproc Blue instruments to reach the full working length with or without glide path preparation

  • Adiguzel, Mehmet;Tufenkci, Pelin
    • Restorative Dentistry and Endodontics
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    • 제43권4호
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    • pp.41.1-41.7
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    • 2018
  • Objectives: The purpose of the present study was to compare the mean preparation times and frequency with which Reciproc and Reciproc Blue instruments reached the full working length in mandibular molars, with or without glide path preparation. Materials and Methods: Previously untreated mesiobuccal and mesiolingual canals with completely formed apices were randomly divided into 6 groups (n = 50) depending on the usage of Reciproc (RC; VDW), Reciproc Blue (RC Blue; VDW), C-Pilot (CP; VDW), and R-Pilot (RP; VDW) files: RC, RC Blue, RC + C-Pilot (RC-CP), RC-Blue + C-Pilot (RC Blue-CP), RC+R-Pilot (RC-RP), and RC Blue + R-Pilot (RC Blue-RP). A glide path was prepared using the hand-operated C-Pilot or the machine-operated R-Pilot instruments, respectively. The ${\chi}^2$ test, analysis of variance, and the Tukey post hoc test were used for statistical comparisons. Results: No statistically significant differences were observed in the distribution of the frequency of reaching the full working length in the RC (94%), RC Blue (88%), RC-CP (94%), RC Blue-CP (90%), RC-RP (96%), and RC Blue-RP (92%) groups (p > 0.05). Conclusions: Preparation of a glide path did not have a significant effect on reaching the full working length using these systems.

Technological Readiness and Innovation as Drivers for Logistics 4.0

  • MOLDABEKOVA, Aisulu;PHILIPP, Robert;SATYBALDIN, Azimkhan A.;PRAUSE, Gunnar
    • The Journal of Asian Finance, Economics and Business
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    • 제8권1호
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    • pp.145-156
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    • 2021
  • The research purpose of this paper is to empirically examine the effects of technological readiness and innovation on logistics performance. To build up and maintain an important role in global supply chains, nowadays it is obvious that countries and logistics providers need to achieve competitive advantage in terms of digitalization. However, there is a lack of empirical studies about the impacts of information technologies and innovation potential on the logistics efficiency of countries. Hence, the study analyzes whether the corresponding pillars of the Global Competitiveness Index (GCI) matter for the Logistics Performance Index (LPI) and its dimensions. For determining the effects, the pooled regression approach is applied. The results show that technological readiness and innovation are positively and statistically significantly correlated with logistics performance: competence and quality of logistics services, efficiency of customs clearance processes, ability to track and trace consignments, frequency with which shipments reach consignee within scheduled or expected time, and ease of arranging competitively priced shipments. The findings of this study suggest that investments in innovations and technology progress improve countries' logistics efficiency, which is an important prerequisite for enabling Logistics 4.0 and thus, Industry 4.0 and the digital transformation of the economy and society.

Breast Tumor Cell Nuclei Segmentation in Histopathology Images using EfficientUnet++ and Multi-organ Transfer Learning

  • Dinh, Tuan Le;Kwon, Seong-Geun;Lee, Suk-Hwan;Kwon, Ki-Ryong
    • 한국멀티미디어학회논문지
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    • 제24권8호
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    • pp.1000-1011
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    • 2021
  • In recent years, using Deep Learning methods to apply for medical and biomedical image analysis has seen many advancements. In clinical, using Deep Learning-based approaches for cancer image analysis is one of the key applications for cancer detection and treatment. However, the scarcity and shortage of labeling images make the task of cancer detection and analysis difficult to reach high accuracy. In 2015, the Unet model was introduced and gained much attention from researchers in the field. The success of Unet model is the ability to produce high accuracy with very few input images. Since the development of Unet, there are many variants and modifications of Unet related architecture. This paper proposes a new approach of using Unet++ with pretrained EfficientNet as backbone architecture for breast tumor cell nuclei segmentation and uses the multi-organ transfer learning approach to segment nuclei of breast tumor cells. We attempt to experiment and evaluate the performance of the network on the MonuSeg training dataset and Triple Negative Breast Cancer (TNBC) testing dataset, both are Hematoxylin and Eosin (H & E)-stained images. The results have shown that EfficientUnet++ architecture and the multi-organ transfer learning approach had outperformed other techniques and produced notable accuracy for breast tumor cell nuclei segmentation.

자율주행 이동로봇의 목표 도달 시간을 개선하기 위한 TEB Local Planner 파라미터의 분석에 관한 연구 (A Study on the Analysis of TEB Local Planner Parameters to Improve the Target Reach Time of Autonomous Mobile Robot)

  • 노형석;정의;한정민;전정현;전호남
    • 한국산업융합학회 논문집
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    • 제25권5호
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    • pp.853-859
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    • 2022
  • In this study, we analyzed the instantaneous trajectory generation capability and target arrival rate of a mobile robot by changing the parameter of the TEB (Timed Elastic Band) Local Planner among local planners that affect the instantaneous obstacle avoidance ability of the mobile robot using ROS (Robot Operating System) simulation and real experience. As a result, we can expect a decrease in the target arrival time of the mobile robot through a decrease in the parameter values of the TEB Local Planner's min_obstacle_dist, inflation_dist, and penalty_epsilon. However, if this parameter is reduced too much, the risk of obstacle collision of the moving robot is increases, so it is important to combine the appropriate values to construct the parameter.

Comparison of the Effects of Talus Stabilization Taping and Kinesio Taping on Balance and Walking Speed in Persons with Chronic Stroke

  • Hyeongmin Lee;Mi Young Lee;Yijung Chung
    • Physical Therapy Rehabilitation Science
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    • 제11권4호
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    • pp.546-552
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    • 2022
  • Objective: The purpose of this study was to compare walking speed and balance abilities according to various taping methodsin patients with stroke. Design: Cross-sectional study Methods: Twenty patients with stroke who were hospitalized at a rehabilitation hospital were allotted to the either the talus stabilization, Kinesio or sham taping, or barefoot conditions by drawing lots. Assessment tools used were the Functional Reach Test(FRT), Timed Up and Go test(TUG), One-Legged Stance Test (OLST), and the 10-Meter Walk Test(10MWT).After each test was measured three times, the mean values of each test was used for analysis. Results: Significant results were observed with thetalus stabilization and Kinesio taping groupcompared to the barefoot and sham taping method for theFRT,TUG, the OLST, and the 10MWT(p<0.05). Also, significant differences in the resultswere seen in the OLST, TUG, and the 10MWTwith the talus taping compared to the Kinesio taping method(p<0.05). Conclusions: The use oftalus stabilization taping applied to the ankle of patients with stroke was more effective for balance and walking ability improvement than Kinesio taping through the correction of an abnormal position of the talus.It is considered that these methods of taping can be applied effectively in the clinic.