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Concentrated mass
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Diabetic retinopathy (DR) is a dangerous microvascular complication of diabetes mellitus (DM). The escalating prevalence of diabetes increases the rate of DR patients in Vietnam. Numerous studies have indicated that serum vascular endothelial growth factor (VEGF) can be used as a marker for monitoring the progression of this disease.
9p
vikoch
27-06-2024
0
0
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Part 1 of ebook "Elastic solutions for soil and rock mechanics" provides readers with contents including: Chapter 1 - Fundamental definitions and relationships; Chapter 2 - Basic solutions for concentrated loading; Chapter 3 - Distributed loads on the surface of a semi-infinite mass; Chapter 4 - Distributed loading beneath the surface of a semi-infinite hass; Chapter 5 - Surface loading of a finite layer underlain by a rigid base; Chapter 6 - Surface loading of multi-layer systems; Chapter 7 - Rigid loaded areas;...
204p
giangdongdinh
28-05-2024
2
2
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This paper presents a method for establishing the exact receptance function of a tapered axially functionally graded (AFG) beam with nonlinear ratios of properties using the Adomian method. In current papers, the Adomian method was applied for linearly tapered beams where the geometric series was used conveniently.
22p
dianmotminh02
03-05-2024
3
2
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This study aims at determining the mass concentrations of PM and health risks on pollution event days (episodes) in Ha Noi. Semi-daily samples (daytime and night-time) of PM2.5 and PM0.1 were collected at Hanoi University of Science and Technology, in December 2021. The daily PM2.5 concentrations were in the range of 39 - 204 µg/m3 (average of 119 µg/m3).
11p
dianmotminh02
03-05-2024
6
3
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Ebook "Multidimensional HPLC of polymers (Manuals in Polymer science)" presents the principle ideas of combining different analytical techniques in multi-dimensional analysis schemes. It reviews the basic principles and instrumentation of multi-dimensional chromatography and the hyphenation of liquid chromatography with selective spectroscopic detectors and presents experimental protocols for the analysis of complex polymers.
290p
coduathanh1122
27-03-2024
3
1
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This study was conducted to investigate the residual of Chlorpyrifos (CPF) in coffee growing soil at Lam Ha district, Lam Dong province. Fifteen soil samples were collected from coffee intensive gardens in the Phi To, Nam Ha, Me Linh and Dong Thanh communes of Lam Ha district during the February 2023.
9p
vishekhar
01-11-2023
1
1
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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
6
3
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High levels of fine (PM2.5) and ultrafine (PM0.1) particles in the atmosphere can cause adverse effects on the environment and human health. This study aims at determining the mass concentrations of PM and meteorological influencing factors in high pollution event days in Ha Noi.
9p
viannee
02-08-2023
6
3
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Polychlorinated biphenyls (PCBs) are a typical group of persistent organic pollutants (POPs), which have been listed under Annex A (Elimination) and Annex C (Unintentional production) of the Stockholm Convention. In this study, a gas chromatography tandem mass spectrometry method was developed and applied to analyze concentrations of 28 PCB congeners in some Vietnamese marine fish samples.
17p
viwhitewolf
11-07-2023
5
3
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The concentration levels of PAHs in the samples were determined using gas chromatography coupled with mass spectrometry. The main applied research methods include field observation and sample analysis.
11p
viironman
02-06-2023
5
3
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The primary objective of this research is to study the effect of solids concentration and active particle mass fraction on mass transfer in a solid-liquid (dissolution) system and determine the optimum solids volume fraction and operating conditions that will help to achieve higher mass transfer efficiency at higher solids concentration than hitherto used (> 5% v/v).
91p
runthenight07
01-03-2023
3
2
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This research work aimed extraction and characterization of arrowroot starch. Besides, the effects of different concentrations of starch (2.59–5.41%, mass/mass) and concentrations of glycerol (9.95–24.08%, mass versus starch mass) on films properties were evaluated by a rotational central composite 22 experimental design.
9p
vihermione
06-01-2023
3
2
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In the study "Comparison of determining the 10B and 6Li depth profiles based on NDP and SIMS analytical methods" the comparison of the analytical results between SIMS (Secondary-ion mass spectrometry) and NDP (Neutron Depth Profiling) methods have been carried out with LiCoO2 and BSi samples. The NDP is an analytical method to analyze the component nuclide concentration versus depth distribution in a sample by detecting the charged particles emitted after the neutrons are absorbed.
10p
lieuyeuyeu18
23-12-2022
9
3
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This efficient method allows for the remote collection of samples and rapid analysis of airborne transfluthrin from industrial applications, optimization studies of commercial products as well as domestic/household monitoring.
5p
viginny
23-12-2022
18
4
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Recent advances in metabolomics have enabled larger proportions of the human metabolome to be analyzed quantitatively. However, this usually requires the use of several chromatographic methods coupled to mass spectrometry to cover the wide range of polarity, acidity/basicity and concentration of metabolites.
11p
viginny
23-12-2022
8
4
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Liquid Chromatography tandem mass spectrometry (LC-MS/MS) is the gold-standard approach for androgen analysis in biological fluids, superseding immunoassays in selectivity, particularly at low concentrations. While LC-MS/MS is established for analysis of testosterone and androstenedione, 5αdihydrotestosterone (DHT) presents greater analytical challenges.
12p
viginny
23-12-2022
6
3
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Here, overloaded concentration profiles were predicted in supercritical fluid chromatography using a combined two-dimensional heat and mass transfer model. The heat balance equation provided the temperature and pressure profiles inside the column.
11p
viginny
23-12-2022
9
2
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Compound-specific carbon isotope analysis (CSIA) is a powerful tool to track the origin and fate of organic subsurface contaminants including petroleum and chlorinated hydrocarbons and is typically applied to water samples. However, soil can form a significant contaminant reservoir.
12p
viginny
23-12-2022
11
3
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The research was done with partial filling micellar electrokinetic chromatography, microemulsion electrokinetic chromatography, and ultra-high performance liquid chromatography. The study focuses on determination of male and female steroids from cold and hot tap water of households in Helsinki City.
11p
viginny
23-12-2022
9
3
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The inefficiency of wastewater treatment plants (WWTPs) to remove contaminants of emerging concern (CECs) leads to their continuous release to the environment. Consequently, CECs are present at low concentrations in the treated wastewater (TWW), producing unpredicted and unwanted effects on living organisms as they are discharged into water receiving bodies.
12p
viginny
23-12-2022
5
3
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