then using english

This study proposes to test a combination model between CNN network and XGBoost algorithm for weather image classification problem. The proposed model uses deep learning network, namely CNN for feature extraction, then feeds the features into the XGBoost classifier to recognize the images.

6p viengfa 28-10-2024 1 1   Download

This research presents an exploratory investigation of sales agents of international insurance firms in Hanoi, aiming to understand the connection between the Uncertainty Avoidance (UA), as discussed by Hofstede (2024), and the digital divide identified by Jan van Dijk (2020). The survey using Google Form was administered to 246 Vietnamese sales agents to collect data for SPSS analysis. The AMOS path diagram was then employed to test the hypotheses based on the conceptual model. The findings indicate that Uncertainty Avoidance negatively impacts the digital divide.

12p tuongmotranh 18-03-2025 8 1   Download

The problem of robust stability is investigated for a class of uncertain Hopfield-type neural networks with proportional delays. The existence and uniqueness of an equilibrium is first established using the homeomorphic mapping theorem. Then, by employing a modified Lyapunov–Krasovskii functional, a new criterion for the global asymptotic stability of an equilibrium point of the system is formulated.

12p viaburame 14-03-2025 2 1   Download

Quantitative reverse transcription PCR (RT-qPCR) paired with stem-loop was utilized in this study to establish a process for detecting miRNA-425-5p in human plasma, contributing to accurate prognosis and early diagnosis of genetic diseases in humans, especially cancer diseases. Blood samples (n=12) collected from healthy volunteers in Ho Chi Minh City, were subjected to plasma extraction and then microRNA (miRNAs) isolation using the TRIzol method.

11p vihyuga 04-03-2025 6 1   Download

The article presents simulation results, experimental results, and calculations of temperature control via an NTC temperature sensor and then demonstrates Oled SH1106 using the I2C port for communication.

7p viinuzuka 28-02-2025 4 1   Download

Literary translation plays a significant role in the development of any literary tradition. Translation Studies, in the case of The Old Man and the Sea by Ernest Hemingway, uses a comparative approach to analyze and interpret the similarities and differences between various translations, then clarify the translation strategies of contemporary translators. This comparison aims to highlight the role of internal and external textual factors in translation that affect the readers' reception process.

8p vihyuga 20-02-2025 8 1   Download

This article constructs a convolutional neural network for predicting pressure and velocity fields around a twodimensional aircraft wing model (airfoil model). Training data is computed using the Reynolds-averaged method, and then extracted, focusing on the flow around the wing.

11p viyamanaka 06-02-2025 3 2   Download

This study involved the deposition of NiO thin films onto Al2O3/glass substrates using RFmagnetron reactive sputtering. Then, the influence of heating temperatures on crystal structure, surface morphology, transmittance, and optical band gap of NiO films was investigated via different characterization techniques.

8p tuetuebinhan000 23-01-2025 5 2   Download

Cellulose nano fibers (CNF) are being considered as potential material for producing aerogel, an advanced materials for filtration technology. In this study, CNF were extracted from the sugarcance bagasse (a common agricultural waste) using ultrasonic technology and then fabricated with different additives including polyvinyl alcohol (PVA), polyethylene glycol (PEG) and graphene oxide (GO) to formulate aerogels.

7p tuetuebinhan000 23-01-2025 3 2   Download

In the present study, cooling of PV module using a paraffin-based phase change material (PCM) in hot climate of Vietnam is investigated. Thermal modelling is first validated against experimental data reported in literature and then transient thermal simulations are carried out for a duration of 24 hours to assess the effect of PCM itself and PCM with internal fins.

6p vibenya 31-12-2024 6 2   Download

Are they speaking English? Why is pronunciation important ? “I went to the US in 1996 for the first time. Whenever I spoke to a person in America, they kept asking me : "what ? what ?". I would repeat my sentence again and again. Finally, they would say "Ah-ha!" and then repeat my sentence, using exactly my words ! It was embarrassing! I knew my words and grammar were correct but nobody would understand me just because of my pronunciation. I am very motivated to learn English and the right pronunciation and phonetics now” Mike said...

52p vidangquang 24-07-2012 255 99   Download

ESI greatly enhanced the ability to characterize protein and peptides by MS.
ESI requires the sample of interest to be in solution- flow in to the ionization source region.
To ionize the sample, high voltage is applied, result in the sample becoming positively or negatively charged; however, positive ionization is used primarily in the analysis proteins and peptides.
As it exits the spray tip, the solution produces submicrometer-sized droplets containing both solute and analyte ions. The sample is then desorbed of solute prior to entering the analyzer region....

76p caubebimu 13-01-2013 51 7   Download

The primary duties of the transport layer, Layer 4 of the OSI model, are to transport and regulate the flow of information from the source to the destination, reliably and accurately. End-to-end control and reliability are provided by sliding windows, sequencing numbers, and acknowledgments To understand reliability and flow control, think of someone who studies a foreign language for one year and then they visit the country where that language is used.

40p trinhvang 18-01-2013 85 11   Download

In the last lecture we looked at some high-level descriptions of key distribution and agreement schemes. These protocols cannot be used as they were stated. In implementation of the actual protocol, there are many situations one should be careful of. In this lecture, we will look at some common protocol failures that arise when trying to implement security protocols We will then look at some specific examples of security protocols

30p muathu_102 28-01-2013 37 5   Download

Semantic extraction from images is a topical problem and is applied in many different semantic retrieval systems. In this paper, a method of image semantic retrieval is proposed based on a set of images similar to the input image. Since then, the semantics of the image are queried on the ontology by the visual word vector.

20p vimurdoch 18-09-2023 10 3   Download

Compare to other documents, our study was for the first time validated the quality criteria of ICP-MS for analyzing nineteen metal levels in wastewater samples. The application of this method was then tested by analyzing nineteen metal levels in twenty-three wastewater samples in the Tham Luong Canal in Ho Chi Minh City. Based on these results, the correlation of the concentration of these metals in wastewater samples was determined.

7p viengels 25-08-2023 10 3   Download

The research aims to explore which factors will influence consumers’ intention to adopt e-wallet and the extent to which those will impact consumers’ behavior, then suggest some recommendations for improving e-wallet payment in Vinh Long province. In the current fierce competition, such information will be definitely valuable and useful for e-wallet service providers who are making every effort to expand the market and increase the number of e-wallet subscribers.

122p nkn8a8 19-07-2023 25 14   Download

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 14 3   Download

The aim of the research was the processing of the vibration signatures from healthy and damaged composite beams acquired with the help of a Scanning Laser Vibrometer (SLV) upon excitation and analysis of the mode shapes acquired for damage detection. The displacement mode shapes acquired were then converted into curvature mode shapes with the help of a Central Difference Approximation method (CDA).

146p runthenight07 01-03-2023 9 3   Download

The aim of this research is to produce information on decision making in relation to fertiliser use. This information can be used in the Game Theory model to calculate optimal strategies on phosphorus fertiliser application amounts for the individuals within the group. If the results indicate a benefit to the individual and the community as a whole, and are seen as practical, then on a catchment wide basis this should lead to changes in management practices that will minimise phosphorus pollution of the Hopkins River catchment’s waterways.

174p runthenight07 01-03-2023 10 4   Download