Separator

This study disclosed the separation, structural identification, and α-glucosidase inhibitory property of eight depsidones from U. ceratina collected from the bark trees at Paksong town, Paksong district, Champasack province, Laos.

9p viengfa 28-10-2024 2 1   Download

This research proposes a new approach that leverages low-cost digital cameras and deep learning technology for counting and extracting rice grain traits. Our study introduces a preprocessing step to separate rice grain regions from the input image background using color space conversion.

8p viling 11-10-2024 1 1   Download

This paper presents a new technique to design RC columns of the rectangular section, subjected to axial compression and uni- or biaxial bending. Distributed bars around the perimeter are considered as an equivalent thin tube.

6p vibecca 01-10-2024 2 1   Download

This paper presents the research results of applying method two-dimensional energy filtering method in the "live window" to separate the high-frequency component of aeromagnetic data in order to eliminate residual flight line errors with amplitude ranges from -5÷5 nT and correct the data source before processing and analysis of data, identify potential field residual anomalies at depths h = 470 m, 1100 m, 1700 m, 2300 m.

13p viyoko 01-10-2024 4 1   Download

The article shows a short review of the main methods in order to treat the type of raw material as well as some current applied technology in Vietnam. Based on the knowledge,a study to recover the iron of Kip-Tuoc tailing from the tailing pond is presented. The applied technology is the combination of a trommel screen, spiral and shaking table.

14p viyoko 01-10-2024 3 1   Download

The present study is focused on the production of electricity using double chambered microbial fuel cells (MFCs) to treat hospital wastewater treatment combined with poly (vinyl alcohol) (PVA) membrane cross-linked with glutaraldehyde (GA) with low cost.

10p viyoko 01-10-2024 4 1   Download

Oil spills pose significant challenges to the environment, wildlife, and local economies, thus an effective method for cleaning up an oil spill is urgent. Here, superhydrophobic ZnO powder particles were synthesized using a simple and efficient method and investigated their coating on polyurethane sponge for oil/water separation application.

6p vikwong 29-09-2024 2 1   Download

In the research, graphitic carbon nitride (g-C3N4) was synthesized using modified halloysite via a calcination method. The improvement of photocatalytic activity mainly benefits from the reduced e-/h+ pairs recombination rate, the improved electron separation yield.

10p vikwong 29-09-2024 2 0   Download

The main product for the ethylene conversion is propan-2-ol, as a subsequent hydrogenation product after hydroformylation. Pressure and temperature difference are evaluated to understand the influence on selectivity and product formation.

6p vikwong 29-09-2024 1 1   Download

The article presents some results of investigating the effective adsorption ratio of base oil SN 100 on silica gel, determination of physico-chemical, electrical properties, and voltage stability of the oil fraction which is separated from base oil SN 100 by adsorption method on silica gel with the appropriate ratio of silica gel/base oil SN 100 = 140/100.

5p vikwong 29-09-2024 2 1   Download

Adolescents who live in incomplete families may be vulnerable to various psychological effects, ranging from mild to complex. This study aims to examine the need for psychological counseling among high school students whose parents are separated/divorced, and to identify factors associated with this need.

10p vifaye 20-09-2024 2 1   Download

To determine the prevalence of suicidal ideation among adolescents whose parents are separated/divorced; and to explore the factors associated with suicidal ideation and describe adverse experiences among adolescents.

9p vifaye 20-09-2024 1 1   Download

Investigation of the mobile phase for separating amlodipine and valsartan using the isocratic elution method and validation of the simultaneous quantification of amlodipine and valsartan in three different dissolution media with pH of 1.2, 4.5, and 6.8.

7p vinatisu 29-08-2024 1 1   Download

Harvesting microalgae by centrifugation and filtration is very costly, affecting technical and economical feasibility of downstream processing of algal biomas to bioproducts. Flocculation is a potential technique for recovery of algae biomass. Particularly, flocculation using magnetic nanoparticles offers high separation efficiency due to their high surface area and magnetic properties. I

10p dianmotminh02 03-05-2024 6 2   Download

In this study, we evaluated and compared the effectiveness of four different protocols (D, MJ, MA, and S) for separating MPs from water of different types (brackish, marine, and river). Known combinations of MP particles (polyethylene (PE), polyethylene terephthalate (PET), polystyrene (PS) and polyvinyl chloride (PVC) with size ranging between 150 μm and 700 μm were spiked into water samples. Our results showed that the average recovery effectiveness of microplastics using four studied methods ranged from 53% to 86%.

10p dianmotminh02 03-05-2024 5 3   Download

In this study, an evaluation of the enantioselective of a chiral flavanone with 2'-OH substitution (5,7,2'- trihydroxyflavanone) on ring C was studied by high performance liquid chromatography using the cellulose tris(3,5- dimethylphenyl carbamate)-based stationary phase with n-hexane and iso-propanol doped with 0.1% (v/v) trifluoroacetic acid as a mobile phase.

6p dianmotminh02 03-05-2024 4 2   Download

The derived temperature dependences of the peak intensities, separations and half-widths of the separate spectral peaks in the A-band phonon progressions indicate the different trends for vibration-free zero-phonon electronic transition and vibration-related lower-energy electronic transitions to high vibrational levels of the ground electronic state – lower thermal damping and more softened phonon for the zero-phonon transition, also implying the extended defect origin of the A-band photoluminescence.

9p dianmotminh02 03-05-2024 4 2   Download

The present checklist is, therefore, compiled and updated with the latest classification and literature to accelerate the study on the millipede fauna of Indonesia. Due to the page limitation of the journal, the checklist has to be separated into several parts. Herein, we firstly present the catalogue of the infraclass Pentazonia.

30p dianmotminh02 03-05-2024 8 2   Download

"Bài giảng Lên men ethanol" trình bày các nội dung chính sau đây: Quy trình đường hóa, lên men riêng rẽ (SHF Separeated Hydrolysis and Fermentation); Quy trình đường hóa, lên men đồng thời (SSF Simultaneous Saccharification and Fermentation) hoặc SSF ở nồng độ cao (Very Hight Gravity); Nguyên liệu sản xuất cồn; Phân bố protein trong bột gạo... Mời các bạn cùng tham khảo!

21p kimphuong555 12-04-2023 87 4   Download

Bài viết Một mô hình phát hiện tiếng nói kích thước nhỏ đề xuất một mô hình học sâu với chỉ 74k tham số nhưng vẫn có một kết quả tốt trong việc phát hiện tiếng nói. Mô hình chúng tôi sử dụng là mạng nơ ron tích chập sử dụng 1D time-channel separable convolution.

3p vipettigrew 15-03-2023 11 5   Download