Flow

p 01-01-1970   Download

This study aims to evaluate the effectiveness of high-flow nasal oxygen as the sole method of gas exchange in apneic conditions for airway management during laryngeal surgery. Subject and method: From April to August 2023, 45 patients aged 30 to 69 underwent laryngeal surgery.

6p vihizuzen 26-05-2025 1 1   Download

Bài giảng "Tài chính doanh nghiệp" - Dòng tiền chiết khấu, cung cấp cho sinh viên những kiến thức như: Ngân lưu đều có hạn và Ngân lưu đều vô hạn; Giá trị hiện tại và giá trị tương lai của Multiple Cash Flows; Các loại hình vay và vay trả góp;... Mời các bạn cùng tham khảo!

36p phongtrongkim0906 16-05-2025 2 1   Download

The variation of multiple circular cylinders' drag coefficient was investigated using numerical methods. Moreover, the particle tracking simulation was also performed to show the flow structure and how particles move inside the cylinder array. It was found that the density and location of cylinders have a significant influence on the fluid forces, flow structure, and particle movement inside them.

9p vimitsuki 06-05-2025 1 1   Download

The streaming potential that originates from water flow in porous media plays an important role in geophysical applications since it is sensitive to groundwater flow. In this work, we develop a physically-based model for the streaming potential in porous media using a bundle of capillary tubes model.

8p vimitsuki 06-05-2025 1 1   Download

To establish a protocol for analyzing NK cell cytotoxic activity (NKAc) in breast cancer patients using the flow cytometric technique. Methods: We first optimized the protocol based on the previously published studies, focusing on choosing fluorescent dye concentration, incubation time length, and Effector:Target cell ratio (E:T ratio). Subsequently, we preliminarily applied the established protocol to characterize NKAc in some breast cancer patients and healthy controls.

9p vimitsuki 06-05-2025 3 1   Download

To evaluate gastric conduit perfusion (GCP) images based on indocyanine green (ICG) flow signal timing in thoracoscopic surgery for esophageal cancer (EsC). Methods: A cross-sectional descriptive study was conducted on 70 patients who were applied ICG to evaluate GCP during thoracoscopic surgery to treat EsC at 108 Military Central Hospital and Military Hospital 103 from June 2022 to June 2024.

12p vimitsuki 06-05-2025 1 1   Download

The heating, ventilation, and air conditioning (HVAC) system consumes a lot of electricity in the building to meet the demand for thermal comfort. The energy recovery ventilator (ERV) has been used in commercial, industrial, and residential buildings to save energy consumption for HVAC systems. In this study, we investigated the efficiency of ERV systems in different construction climate zones in Vietnam and the energy consumption of the sample primary school.

11p visarada 28-04-2025 4 1   Download

This study investigates how different test parameters—such as flow rate, soil type, moisture content, and confining conditions—affect the erosion behavior of soils. Through controlled hydraulic erosion tests, the research identifies key factors influencing critical shear stress and erosion rates. The findings aim to enhance understanding of soil stability in engineering applications and inform the design of erosion-resistant structures.

3p vimaito 11-04-2025 1 0   Download

In this study, Partial Least Square – Structural Equation Modeling (PLS-SEM) was used to analyze data from the questionnaire survey of 363 customers who are familiar with live streaming platforms in Vietnam. By using SmartPLS for data empirical evaluation and hypotheses testing, research shows that the social presence of a live streaming platform and scarcity have a positive impact on consumer’s flow states, hence inducing consumers’ impulsive buying behaviors.

20p viling 11-10-2024 5 1   Download

This research provides a comprehensive investigation of the planar anisotropy in stainless steel SUS 304. Constitutive modeling approaches, employing both associated and non-associated flow rules, using quadratic functions have been applied in the simulation process.

10p viengfa 28-10-2024 2 2   Download

This paper presents the results of 32 experiments (L32) that aimed to examine the impact of grinding parameters on surface roughness and cutting force during the surface grinding of 90CrSi steel using the Hai Duong grinding wheel.

11p viengfa 28-10-2024 3 2   Download

Predicting the macroscopic permeability of porous media is critical in various scientific and engineering applications. This study proposes a novel model that combines Random Forest (RF) and rime-ice (RIME) optimization algorithm, denoted RIME-RF-RIME, to predict permeability based on six key features covering fluid phase dimensions, geometric characteristics, surrounding phase permeability, and media porosity.

14p viengfa 28-10-2024 2 2   Download

Liệu pháp virus gây ly giải tế bào u (oncolytic virus, OV) gần đây đã được công nhận là một phương pháp điều trị ung thư có nhiều hứa hẹn. Bài viết trình bày đánh giá phối hợp virus vaccin sởi (MeV) và quai bị (MuV) gây chết theo chương trình giai đoạn sớm (eA, early apoptosis) trên tế bào ung thư HT29.

4p viormkorn 06-11-2024 2 1   Download

Bài viết mô tả mức độ biểu hiện CD81 ở bệnh nhân lơ xê mi (LXM) cấp dòng tủy và mối liên quan của nó với đáp ứng điều trị bằng phác đồ tấn công. Đối tượng và phương pháp: Mô tả loạt ca bệnh trên 110 bệnh nhân LXM cấp dòng tủy được chẩn đoán mới tại Trung tâm Huyết học - Truyền máu Bệnh viện Bạch Mai từ tháng 6/2021 đến 6/2023.

7p viperth 28-11-2024 1 1   Download

This paper improves the breadth-¯rst search strategy in directed automated random testing (DART) to generate a fewer number of test data while gaining higher branch coverage, namely Static DART or SDART for short. In addition, the paper extends the test data compilation mechanism in DART, which currently only supports the projects written in C, to generate test data for C++ projects.

34p tuongtieume 03-04-2025 9 1   Download

Tài liệu "Xạ hình lưu thông dịch não tủy với 99mTc - DTPA" thông tin đến bạn đọc những nội dung gồm: đại cương, chỉ định và chống chỉ định, các bước chuẩn bị thực hiện, các bước tiến hành và thực hiện kỹ thuật xạ hình lưu thông dịch não tủy với 99mTc - DTPA, theo dõi và xử trí tai biến cho người bệnh. Mời các bạn cùng tham khảo!

3p quyvanphi 28-03-2025 3 0   Download

Bài viết trình bày so sánh hiệu quả dự trữ oxy trước khởi mê của phương pháp thở oxy lưu lượng cao qua mũi (High Flow Nasal Cannula - HFNC) và phương pháp thở oxy qua mặt nạ mặt thông thường.

5p viuzumaki 28-03-2025 1 1   Download

The formation and development of large-scale structures are primary research subjects in the study of turbulent mixing layers. Visualizing these structures based on published experimental data enhances the understanding of complex flow behaviors, which is the main objective of this article. The authors employed a two-point statistical correlation method to evaluate the size of large vortex structures along the interaction region.

15p viyuhi 26-03-2025 2 1   Download

This article focuses on the aerodynamic and acoustic characteristics of both an isolated propeller model and a propeller - boundary surface model. The study uses the Reynoldsaveraged Navier-Stokes (RANS) method combined with Computational Fluid Dynamics techniques to analyze the flow field and wake flow behind the propeller and to determine its basic aerodynamic coefficients.

14p viyuhi 26-03-2025 4 1   Download