Vietnam Journal of Science and Technology
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Optimization of the enzyme assisted extraction of essential oil from the leaves and branches of Cinnamomum cassia using Box-Wilson method
Vietnam Journal of Science and Technology - Tập 55 Số 6 - Trang 690-697 - 2017
The process of enzyme assisted extraction of essential oil from the leaves and branches of the Vietnamese aromatic plant Cinnamomum cassia was studied and optimized using a Box-Wilson central composite design consisting of 05 independent variables (pH, temperature T, time τ, concentration of the enzyme Laccase, and concentration of the enzyme Cellic Htec2) and two dependent variables (reducing sug...... hiện toàn bộ
#optimization #Box-Wilson central composite design #enzyme assisted extraction #essential oil #Cinnamomum cassia
ỨNG DỤNG CÔNG NGHỆ LỌC SINH HỌC TRONG HỆ THỐNG TUẦN HOÀN NƯỚC NUÔI GIỐNG CÁ BIỂN QUY MÔ SẢN XUẤT
Vietnam Journal of Science and Technology - Tập 49 Số 3 - Trang - 2012
APPLICATIONS TECHNOLOGY RECIRCULATION AQUACULTURE SYSTEM BY SUBMERGED BIOFILTER AT COMMERCIAL MODEL Applications technology Recirculation Aquaculture System by Submerged Biofilter is orinentation for future development. The biological filter system were evaluated in 69 days rearing culture cobia (Rachycentron canadum) at the Ngoc Hai harchery, Do Son, Haiphong, a commercial scale research and demo...... hiện toàn bộ
COVER, Vol. 57, N. 1 (2019)
Vietnam Journal of Science and Technology - Tập 57 Số 1 - Trang - 2019
COVER, Vol. 57, N. 1 (2019)
Mục lục
Vietnam Journal of Science and Technology - Tập 40 Số 6 - Trang - 2012
Mục lục
Synergistic influences of ground granulated blast-furnace slag and silica fume on the viscosity of extremely low W/B cement pastes
Vietnam Journal of Science and Technology - Tập 62 Số 4 - Trang 748-759 - 2024
Particularly with a low water/binder ratio, the synergistic effects of supplemental cementitious materials (SCMs) have drawn a lot of interest in improving the characteristics of cement-based products. The effects of SCMs, such as silica fume (SF) and ground granulated blast furnace slag (GGBS) with varying fineness, on the setting time, saturation point, and viscosity of ultra-high performance ce...... hiện toàn bộ
#Ultra-high performance cement pastes #viscosity #silica fume #ground granulated blast furnace slag #synergistic effect
A research on the performance of down-flow hanging sponge (DHS) reactor treating domestic wastewater
Vietnam Journal of Science and Technology - Tập 56 Số 4 - Trang 482-492 - 2018
The aim of this study was to evaluate the performance of a down-flow hanging sponge (DHS) system in treating domestic wastewater. A pilot-scale of DHS system with a capacity of 60 L was designed and fabricated from polyvinyl chloride (PVC). The dimensions of DHS system are 1.5 m in height and square surface with 0.2 m in width, consists of three identical segments connected vertically in series. E...... hiện toàn bộ
#Down-flow Hanging Sponge (DHS) system #domestic wastewater #organic loading rate #removal efficiency
QSAR modeling and molecular docking studies on benzimidazole derivatives as anticancer agents
Vietnam Journal of Science and Technology - - 2022
Abstract. The triple-negative breast cancer cell line MDA-MB-231 has been known as one of the most tenacious cancer cancer cells and paid attention by many researchers. A two-dimension quantitative structure-activity relationship (2D-QSAR) model of 131 benzimidazole derivatives was developed to relate the chemical–biological interactions and predicted the half maximal inhibitory concentration (IC5...... hiện toàn bộ
#Benzimidazole #QSAR #anticancer #MDA-MB-231 #molecular docking #topoisomerase I
NGHIÊN CỨU KHẢ NĂNG CHỐNG CHỊU VÀ HẤP THU CHÌ Pb, Zn CỦA DƯƠNG XỈ PTERIS VITTATA L.
Vietnam Journal of Science and Technology - - 2012
Phytoremendiation is a new treatment technique in pollution which has been studying and developing in recent years. In comparison to the other techniques, this is proved to be more effective, economical and be able to prevent negative consequences. The results from the experiment named “the study about the resistibility and absorptivity of the Pteris vittata fern to Pb and Zn” have shown that Pte...... hiện toàn bộ
OPTIMIZATION OF SOME TECHNOLOGICAL PARAMETERS FOR FRESH CHILLI PRESERVATION BY CONTROLLED ATMOSPHERE METHOD
Vietnam Journal of Science and Technology - - 2015
The objective of this study was to optimize some parameters of fresh chili preservation technology by controlled atmosphere (CA) with 3 factors of corresponding surveyed domains: temperature (8 - 12 oC), concentration of oxygen (2 - 4 %) and concentration of carbon dioxide (3 - 6 %). Experimental plan includes 9 experiments following 23 plan repeating at center with the objective function as indi...... hiện toàn bộ
Synthesis of TiO2-brookite nanorods and TiO2-Au composites for decomposition of organic dyes in water
Vietnam Journal of Science and Technology - - Trang - 2024
This study employed a plasma-liquid interaction technique at room temperature to modify TiO2 nanocrystals in the brookite phase and coat their surface with gold nanoparticles (AuNPs). The technique was further utilized to reduce Au3+ ions to Au0, eliminating the need for chemical agents and reducing reaction time. The resulting TiO2-Au photocatalysts were then tested under visible light to evaluat...... hiện toàn bộ
#titanium dioxide #gold #plasma-liquid interaction #photocatalytic #nanorods
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