Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 41 for “"Optimal timing"”.
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Optimal timing for cholecystectomy following percutaneous cholecystostomy: insights from a multicenter retrospective cohort study
La colecistectomía laparoscópica es el tratamiento estándar para los pacientes con colecistitis aguda. Sin embargo, en candidatos quirúrgicos de alto riesgo que no responden al manejo conservador, se recomienda la colecistostomía percutánea. Cuando se utiliza como terapia puente, el momento óptimo …
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Risk of Expectant Management and Optimal Timing of Delivery in Low-risk Term Pregnancies: A Population-based Study
… the effect of expectant management in the optimal timing for delivery. Design/Methods Subjects included were all singleton pregnancies that delivered during the term in the year of 2013. Those with complications such as congenital anomalies, diabetes, hypertension, and fetal growth …
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Investigations of the action of vitamin A and beta carotene on reproductive performance in pigs
… of retinol on the ovary and the embryo, and the optimal timing of treatment with retinol to increase litter size in the sow.
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Optimal Automated Vehicle Piloting: Avoiding Perfection being the Enemy of the Good
Optimal timing for automated vehicle (AV) pilot programs is essential to balance early implementation benefits against the goal of perfected safety. Although AV technology is not accident-free, it shows potential in reducing crash rates. This work introduces a mathematical framework designed to …
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Evaluating Fungicide Timing for Leaf Spot Diseases of Wheat and Fungicide Resistance in Pyrenophora tritici-repentis
… caused by Pyrenophora tritici-repentis. The optimal timing to apply fungicide to protect wheat against leaf spots is during the flag leaf stage (ZGS39), however, another disease, fusarium head blight (FHB), is also a major issue in wheat grown in the prairies and is capable of devastating an …
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An Adaptive Large Neighborhood Search Heuristic for the Inventory Routing Problem with Time Windows
… the goal of this research is to determine the optimal timing and magnitudes of deliveries to stores across a planning horizon. While dedicated shipments to stores will be allowed under the optimal policy, options that combine deliveries for multiple stores into a single route should also be …
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Essays on optimal insurance design
… consists of three chapters analyzing the optimal design of insurance contracts. I consider three relevant contexts that change the central trade-off between the provision of insurance and the provision of incentives. The first chapter analyzes the role of biased beliefs for the optimal …
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Comparison of three tourniquet application methods in primary total knee arthroplasty surgery /
The optimal timing of pneumatic lower limb tourniquet application during primary elective total knee arthroplasty surgery (TKA) is a matter of debate. 132 patients who undergo TKA were prospectively randomized into one of the 4 groups, and 120 of these patients completed the study. The tourniquet …
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Trijų kraujotakos sumažinimo metodų palyginimas atliekant planinį cementinį kelio sąnario endoprotezavimą /
The optimal timing of pneumatic lower limb tourniquet application during primary elective total knee arthroplasty surgery (TKA) is a matter of debate. 132 patients who undergo TKA were prospectively randomized into one of the 4 groups, and 120 of these patients completed the study. The tourniquet …
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Design of a clock and data recovery circuit in 65 nm technology
… signal to sample the incoming data stream with optimal timing. In this thesis, the working mechanism of the CDR is described. A CDR consists of a phase detector, a charge pump, a loop filter and a voltage-controlled oscillator. This thesis includes an overview of all the building blocks of a …
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Bluetooth based dynamic critical route volume estimation on signalized arterials
… Actual volume in the network is a result of the timing plans which are designed and modified based on the volume which is generated using existing timing plans in the system. This interdependency between timing plan and volume on the network is a dynamic process and should be captured to obtain …
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Does the Timing of Adjuvant Chemotherapy for Gastric Cancer Influence Patient Outcome?
… gastric cancer, there is no report about the optimal timing of the initiation of chemotherapy. We investigated the effect of the interval between surgery and the start of chemotherapy on patient outcome. Patients and METHODS: A retrospective review was conducted of 410 patients who underwent …
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Effect of mechanical stretching on the maturation of 3-D fascicle-like muscle tissue
… shape, high volumetric density, and optimal alignment in 3-D. We present that the fascicle-like muscle tissue will have stronger performance and more matured structure in response to particular stimulation. We applied the static and cyclic stretching, electrical stimulation and two …
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Autonomous Dynamic Grasping with a Robotic Arm: Real-Time Motion Prediction and Adaptive Control
… the controller intelligently determines the optimal timing to initiate the grasp sequence, predicting the target's trajectory and evaluating its transit in the dynamically computed reachable workspace of the robotic arm, determined at runtime using an efficient analytic inverse kinematics …
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Initial validation of the arthroscopic skills acquisition tools (ASATs) : a low cost, online tool to develop and evaluate core skills for shoulder arthroscopy
… However, there remains questions about the optimal timing, intensity and competence levels of such training.
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Dobutamine stress magnetic resonance imaging in tetralogy of fallot
… with a risk of sudden cardiac death. The optimal timing of pulmonary valve replacement remains controversial and although CMR has provided valuable information on the volumetric changes associated with chronic PR little is know about the effects of stress with pharmacological agents such …
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Essays on the Theory of Investment Subsidy
… this thesis, we investigate a firm's investment timing decision and choice of market entry mode under uncertainty and irreversibility. We investigate how a host country can affect the firm's investment decisions through providing investment incentives. The real options approach to valuation is …
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High-performance reference frequency generation techniques
… frequency error to guarantee the existence of optimal timing are provided. Fabricated in a 65nm CMOS process, the proposed 54MHz fast-startup crystal oscillator occupies an active area of 0.075mm2 and achieves a startup time of less than 20us across a temperature range of -40oC to 85oC while …
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A sequential evaluation of left ventricular function in asymptomatic and symptomatic patients with chronic severe aortic regurgitation
The optimal timing of valve replacement surgery in chronic severe aortic regurgitation (AR) has remained a major clinical problem in the management of these patients. Although the onset of symptoms is the generally accepted indication for aortic valve replacement (AVR), the unpredictable …
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Biology, Epidemiology, and Management of Spring Dead Spot of Bermudagrass
… irrigation in certain scenarios; the optimal timing for fungicide applications for SDS was from 13-18°C with tebuconazole and 13-21°C with isofetamid; and nitrogen applications without cultivation practices in the late spring/early summer optimized bermudagrass recovery from SDS. …
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