An experimental study
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Bài viết trình bày đánh giá hiệu quả chương trình giáo dục sức khỏe về dinh dưỡng đối với kiến thức và hành vi tuân thủ chế độ ăn uống của người bệnh viêm tụy cấp. Đối tượng và phương pháp nghiên cứu: Bán thực nghiệm (Quasi-Experimental Study), một nhóm gồm 44 người bệnh (NB) viêm tụy cấp (VTC) điều trị tại khoa Nội tiêu hóa, Bệnh viện Nhân dân Gia Định trong khoảng thời gian từ tháng 01 năm 2021 đến tháng 09 năm 2021, được can thiệp giáo dục sức khỏe (GDSK) về chế độ dinh dưỡng và tham gia khảo sát trước can thiệp và sau khi xuất viện một tháng.
5p vicarlos 16-05-2024 10 0 Download
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Magnetic bearing systems have received much attention in the research community for the past decades. Its inherent nonlinearity and open-loop instability present challenges for controller design. This thesis investigates and designs model predictive control (MPC) systems for an experimental Active Magnetic Bearing (AMB) laboratory system. A host-target development environment of real-time control system with hardware in the loop (HIL) is used for implementation of the predictive control systems. In this thesis, both continuous and discrete time model predictive controllers are studied.
172p runthenight05 01-03-2023 6 3 Download
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The primary aim of this research was to further develop the sensing and estimation module of the CHMS framework with an improved multimodal inference model of MWL as needed for the application in aerospace CPHS. Here the focus of this research was on the implementation of a multimodal inference model of MWL that would be developed and experimentally tested. This was done with the purpose of studying the viability of real‐time system adaptation in aerospace systems.
283p runthenight04 02-02-2023 9 3 Download
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The following boundaries are considered in pursuing the proposed research study: This study is conducted on an experimental basis; Domestic hot water supply using evacuated tube solar thermal collectors has been selected as the applied context for this study; Paraffin has been chosen to be used as a PCM for this study due to its attractive techno-economic properties for use with solar thermal systems in domestic hot water applications; The effect of scale factor is not studied; The effect of the shape of the PCM container is not investigated in this study.
102p runthenight04 02-02-2023 4 2 Download
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This study was experimental in nature and the research was based on a quantitative approach tailored to minimize threats to validity through the use of a control group. Additionally, it involved elements of related qualitative research to interpret findings. An empirically-based, working hypothesis was presented to the effect that, a greater potential of project success can be realized by introducing information on emotional development to enhance behavioral competencies of all project team members.
271p runthenight04 02-02-2023 7 2 Download
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The purpose of this research was to investigate the technological feasibility of biological filtration process for Mn control in Lorne WTP. This thesis consists of eight chapters. Project background and research objectives are described in Chapter 1. Chapter 2 presents an extensive literature review covering the nature of manganese, manganese analytical methods, manganese control methods, the nature of MOB and biological control of Mn in drinking water treatment. The materials and methods used throughout the experimental investigation for this study are described in Chapter 3.
119p runthenight04 02-02-2023 5 3 Download
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As a principle of project delivery, Agile has always been about achieving better outcomes faster through the use of a dynamic, collaborative framework than traditional methodologies. Behavior Driven development (BDD) offers a modern agile software development approach which is seen as an evolution of Test Driven Development (TDD) and Acceptance Test Driven Development (ATDD).
7p visteveballmer 06-11-2021 10 0 Download
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objectives: To identify the state of heavy metal pollution in water and food in two coastal communes of Thuy nguyen District, Haiphong city in 2017- 2018. To describe the pattern of disease and the risk due to exposure to heavy metal contamination among community residents in the study area.
27p extraenglish 24-05-2021 21 4 Download
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This study was an attempt to investigate the possible effects of integrating MI-based activities into developing the EFL students’ speaking skills, and then to find out the students’ evaluation of such an integration of MI-based activities. Therefore, to attain those two main objectives, the mixed research method was adopted: the quantitative approach utilizing a quasi-experimental study in which MI-based activities were integrated into an experiment.
240p nguathienthan12 23-05-2021 23 3 Download
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The aim of this experimental study is two-fold: (1) to find out the extent that the portfolio affects EFL young learners’ sentence writing; (2) to explore learners’ attitudes towards the use of portfolio. Participants are 60 young learners enrolling Mover courses at an English language center situated in the Mekong Delta.
12p vivirginia2711 10-12-2020 27 4 Download
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In this paper, we propose an extended version of UMR, called UMR2, that overcomes these limitations and adopts a worker selection policy that aims at minimizing the makespan. We, theoretically and experimentally, show that UMR2 is superior to UMR, specifically in a WAN computing platform such as the Cloud environments.
14p tamynhan8 04-11-2020 10 1 Download
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Determine acute and subchronic toxicity of TD0014 in experimental animals; evaluate androgenic activity and effects on erectile function of TD0014 in experimental animals; evaluate the effects of TD0014 on sodium valproate-induced reproductive decline in male rats.
27p tamynhan0 15-06-2020 4 1 Download
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Two blind analyses for 241Pu(nth,f) isobaric fission yields have been conducted, one analysis using a mix of a Monte-Carlo and an analytical method, the other one relying only on analytical calculations. The calculations have been derived from the same analysis path and experimental data, obtained on the LOHENGRIN mass spectrometer at the Institut Laue-Langevin.
8p christabelhuynh 29-05-2020 7 1 Download
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The goal of this study is to demonstrate and quantify the impact that the uncertainty in thermophysical properties has on key metrics of thermal hydraulic importance for MSRs, in particular on the heat transfer coefficient. In order to achieve this, computational fluid dynamics (CFD) simulations using the RANS k-ω SST model were compared to published experiment data on molten salt.
13p christabelhuynh 29-05-2020 18 1 Download
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In this paper, the influences of additive aluminum oxide and hydroxyapatite nanoparticles on the mechanical and strength properties of PMMA (including flexural strength, impact strength, surface hardness and shrinkage behavior) is studied experimentally.
10p tohitohi 19-05-2020 36 3 Download
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The application of prestressing steel is restricted in highly corrosive environment area due to corrosion of prestressing steel, which leads to reduction in strength and it may cause sudden failure. Carbon textile is considered as an alternate material due to its corrosive resistance property, high tensile strength and perfectly elastic. In this study, an experimental investigation was carried out to study the flexural behavior of prestressed and non-prestressed carbon textile reinforced concrete plates.
9p thayboitinhyeu 02-03-2020 25 2 Download
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This paper presents an experimental study of adhesive and rheological properties of cement mortars proportioned with various contents of a water-soluble polymer admixture. To determine the adhesive properties the probe tack test was used. The results have been exploited to identify the adhesion strength, the cohesion strength and the support’ adherence force. It is found that the cohesion component displays a minimum when varying the polymer content. The behavior of the adherence force is more complex.
10p ketaucho 20-11-2019 9 0 Download
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The study must achieve specific objectives: adjust the scale of 'personal values', then find what aspects of'personal values' are relevant to the current market in Vietnam. Testing the concept of 'personal values' as well asits aspects corresponding to the behavioral model in some typical service industries in Vietnam. Check the reliability of the research model used in testing 'personal values' with service consumption behavior.
27p dungmaithuy 18-09-2019 10 3 Download
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In our recent work, we have theoretically shown that a broad negative permeability band can be achieved by introducing hybridized meta-materials [N. T. Tung et al., Appl. Phys. Express 5, 112001 (2012)]. To step forward an experimental realization of the above proposal, evaluating the loss contribution at resonant frequencies is indispensable. In this report, we study the metallic and dielectric losses that directly influence the strength of permeability negativity at microwave regime. The results show that the dielectric loss plays a decisive role in forming the meta-material hybridization.
6p minhxaminhyeu4 15-07-2019 19 1 Download
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Objectives of thesis: Study on phenol treatment in water by ozonation process combined with catalysts. An empirical kinetic model and one quadratic regression equations were built based on experimental data for destroying phenol by heterogeneous catalytic ozonation process with response variables (initial pH, ozone concentration, catalyst concentration and reaction time). Application of phenol treatment in coking wastewater.
29p xacxuoc4321 08-07-2019 17 4 Download