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The end of 2019 marked the beginning of a global pandemic with the emergence of the Corona Virus or Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) which attacks the respiratory system and causes this viral infectious disease called COVID-19. A good immune system is needed to support health...

Herein, it was reported and compared the chemical composition and nutritional value of the main cultivated mushroom in Zhejiang province, China: Agaricus bisporus, Auricularia auricula, Flammulina velutipes and Lentinus edodes. A. bisporus revealed the highest levels of protein and fat, while A. auricula...

The influence of curing temperature on the deformation properties of magnesium oxide(MgO) micro-expansive concrete were studied.Hydration mechanism and expansion characteristics of magnesium oxide(MgO) in cement paste were analyzed by XRD DSC-TG and SEM. Results indicated.Curing temperature had a great...

A gas chromatography - mass spectrometry (GC-MS) analysis method for detecting five kinds of high-toxic pesticides in Chinese tea was established. Gel permeation chromatography (GPC) was used as a sample preparation method. Purified samples were analyzed by GC-MS, detected in selected ion monitoring...

on the basis of the data from the previous box-behnken central composite design, an Artificial Neural Network (ANN) model was constructed for the prediction of outputs of carotenoids. GA (genetic algorithm) was used to search for the optimal culture medium for Rhodospirillum Rubrum S1:citric acid 3.678g/L,...

Ultra Performance convergence chromatography (UPC2) is cost effective, sustainable, and uses green technology that lowers the use of organic solvents. Based on this advantage, a method was developed for the determination of 15 phthalate esters by UPC2. The separation of 15 phthalate esters was achieved...

Patchouli, also known as Pogostemon cablin Benth., is a plant that yields patchouli oil, a crucial essential oil used in the perfume industry. Stem cuttings are the conventional method of vegetative propagation for patchouli plants. Tissue culture techniques offer alternative approaches for vegetative...

Use of Global Positioning System (GPS) for space applications, especially in low-earth orbit (LEOs) formation flying missions, has recently attracted more and more attentions. This paper proposes an Extended Kalman Filter (EKF) to increase the accuracy of relative position of LEO formation flying missions....

Magnesium (Mg) alloys offer exceptional strength-to-weight ratios and lightweight properties, making them attractive for aerospace, automotive, and biomedical applications. However, their susceptibility to corrosion poses significant challenges. In the present study Mg is alloyed with 5.5%Zn through...

The demand for hydrogen is expanding, which has led to research into hydrogen manufacturing. Analyzing options for lowering the environmental effect of petroleum-based fuels can be made easier with an understanding of the process by which biomass is transformed into hydrogen gas. This experiment evaluated...

Conventional sizes of banana false seeding as material, using pot experiment, the three growth promoters of the growth of the transplanting seedlings, nutrient uptake and resistant physiological effects. Results show that compared with the control, spraying the growth promoters of this experiment can...

This paper analyzed the sources and migration paths of Petroleum hydrocarbon (PHC) in Jiaozhou Bay in 1987. Results showed that PHC contents in May, July and November 1987 in surface waters in Jiaozhou Bay were 0.014-0.060 mg L-1, 0.016-0.066 mg L-1 and 0.030-0.091 mg L-1, respectively. The pollution...

Hyperuricemia is an elevated level of uric acid in the blood that induces uric acid needle shaped crystals saturation resulting in joint stiffness. Anting-anting leaf contains quercetin and kaempferol which are capable of decreasing uric acid in the body. The purpose of this study was to determine the...

Pectin is usually isolated using the conventional extraction methods are time consuming. Pectin from sentul peel has been successfully isolated by using Microwave Assisted Extraction (MAE). This method has a short processing time and little solvent needed. This study is aimed to determine the effect...

Non-alcoholic fatty liver disease (NAFLD) is often encountered in the field of hepatology. The disease has a broad spectrum ranging from non-inflammatory fat-accumulating macrovesicles (simple steatosis) and develops to fibrous and cirrhosis. The rate of NAFLD is 15-30% in western countries and around...

The number of Indonesians watching Korean dramas has drastically increased since the Covid-19 pandemic. Many sequences in Korean dramas display the involvement of commercial advertising, and one of them was carried out by Kopiko, which was hailed as the first Indonesian company to do so. The limited...

Fruits and vegetables (FV) contain essential vitamins and minerals for children’s growth and development. Introduction of FV in young children can improve their preference for healthy food. The purpose of this study was to develop FV combinations based on children’s preferences and balanced diet recommendations....

In this paper, the dissimilar resistance spot welding of A6061 aluminum alloy and AZ31 magnesium alloy sheet is studied, and the middle layer is Zn and Sn. The results show that the addition of Zn and Sn as the intermediate layer can effectively prevent the formation of intermetallic compounds, and can...

In order to investigate the protect effect of Mg sacrificial anode on the pipeline with interference of DC stray current along the length direction, we simulated field condition that Mg sacrificial anode was equipped at 4-meter intervals when Q235 pipeline (40 meters long) buried into soil with resistivity...

This paper aims to explore factors enhancing and factors hindering competitiveness of fashion cluster in Bandung. What are supporting factor to increase competitiveness of fashion cluster? And what are hindering factors to increase competitiveness of fashion cluster? Literature review study will be conducted...

The degradation and flocculation of tetracycline (TC) with nanoscale zerovalent iron (NZVI) modified by starch were investigated using batch experiments as a function of reactant concentration, pH, and ion strength. The 500 mg/L TC was processed with 0.20 mg/L NZVI, the adsorption and degradation effect...

Mixed matrix membrane combines the ability of polymer matrix to separate liquid subtances by using size exclusion approach and functionalized fillers which able to enhance the separation processes. Activated carbon might potentially used as fillers in mixed matrix membranes as this porous solid has ability...

The effect of electric fields on the aging phase transformation of Al-Zn-Mg-Cu alloys is investigated with the first-principles method combined with vacancy mechanism. The effects of external electric intensity on aging phase transformation are analyzed. Results show that during aging in an applied electric...

10wt.% of fly ash cenospheres (FAC), two kinds of particle average size (60 m and 120 m), two kinds of particles morphology (ball-milled to powder fragments and non-ball milled), were added to the AZ91D Mg alloy slurry to prepare the four kinds of magnesium matrix composites by stirring casting method....

Direct Methanol Fuel Cells (DMFCs) represent a crucial pathway toward achieving green electricity generation and reducing dependence on conventional energy sources. However, the currently prevalent platinum-based catalysts for methanol electrooxidation reactions suffer from high costs, poor stability,...

The dependence of the wetting angle of pure Zn (99.9%) and Zn-Mo-Al-Mg (Serbian bronze) of compressed Co-W powder on the temperature in an atmosphere of pure He (grade A) was studied using the large "lying" drop. Wetting angle was measured in the CorelDraw x12 software environment. Found: 1) With an...

OBJECTIVE To indent the function of an active ingredient from fresh pearl. METHODS Pearl extract in different concentrations were added into the 96-well plates, which contained B16 melanoma cell. The cell viability, tyrosinase activity and melanin biosynthesis of the B16 melanoma cell were measured....

The over-reliance and environmental damage caused by the use of fossil fuels have created the need to explore an alternative source of renewable and clean energy. Free Fatty Acid (FFA) from Hevea brasiliensis oil or commonly known as rubber seed oil (RSO) was utilized as feedstock with the aid of waste...

In order to reveal the function of Mg on the characteristics of mechanical properties in high strength low alloy steel, the steels containing with different Mg contents were refined with vacuum induction furnace and rolled with double-stick reversible rolling mill. The characteristics of mechanical properties...

Arsenic is toxic element, accumulate in the environment as main contaminant in aqueous waste stream. This study aimed to analyze the capability of raw palm oil fuel ash (pofa) as a potential adsorbent to remove arsenic contamination in the wastewater of mining effluent. Technology applied in this study...

Al-Mg-Mn alloy hot-rolled plates with 10mm thick were welded by multipass MIG welding with the Al-Mg wire, and inhomogeneity of microstructure of the welded joint were examined by the methods of metallograph, scanning electron microscope (SEM) and energy spectrum. The results show that the inhomogeneity...

Alang-alang (Imperata cylindrica L.) is an annual rhizomatous grass and traditionally well known for its therapeutic values, especially in treating fever, muscle soreness, nosebleed and respiratory asphyxia. It has been reported to contain different classes of secondary metabolites and attracted scientists’...

Stibium doped titanium dioxide nanocomposite was prepared with stibium( ) chloride, titanium sulfate as raw materials and Sodium dodecyl sulfate as surfactant under microwave irradiation. Then the X-ray diffractometer (XRD) and the scanning electron microscopy (SEM) were used to observe the antimony-doped...

This study using modified chinese walnut shell (MCWS) to contain Cu2+, Hg2+,Cd2+, Cr6+ mixed solution for processing. The result through coexisting metal ions adsorption experiment confirmed the MCWS adsorption Cr6+, Cu2+, the optimal condition of Hg2+ and Cd2+ : pH between 5.0 to 7.0; The best initial...

To assess the feasibility of abdominal contrast-enhanced CT imaging using low iodine flow rate .40 consecutive patients referred for abdominal contrast-enhanced CT imaging of upper abdomen were enrolled in this study,and were randomized into 2 groups according to different injection protocols. 28 grams...

In order to reveal the influence of reaction conditions on the phosphorus crystallization to recover phosphorus from wastewater with low P concentration, an alternate A/O biofiltration system for simulated domestic wastewater treatment was carried out and the effluent from anaerobic filter was considered...

Women must prepare themselves with adequate and quality nutrition that they can meet the needs of themselves, the fetus and when breastfeeding, so that children will grow well and prevent the risk of osteoporosis. Objective: to study the nutritional status and adequacy level consumption of bone-forming...

The implementation of IoT technology in rural or remote areas with limited internet infrastructure poses a significant challenge, particularly in the context of IoT Smart Farming in Indonesia’s agricultural regions. Generally, IoT Smart Farming technology is based on WSN with devices spread across agricultural...

The calculated lattice parameters and enthalpies of formation of A12Ca, Al2Sr,A14Ca, Al4Sr,Mg2Ca,and Mg2Sr phase in Mg-Al-Ca-Sr alloy system were compared with both calculation results and experimental data published in references available, and the structural stability of these intermetallic compounds...

Metabolic syndrome (MetS) is a set of risk factors for metabolic abnormalities that can lead to dysfunction of organs, one of which is the heart. Each risk factor component of MetS represents a significant economic burden for patients, health plans, and society at large. One of the cardiovascular diseases...

The dynamic intricacies of external debt and Foreign Direct Investment (FDI) moderated by rule of law, voice and accountability economic growth nexus is scant in the East African Community (EAC). Plenteous of empirical literatures result into ambiguous conclusions. The two foreign capital inflows entail...

Phosphorus is the main macronutrient required by plants for growth and development. Phosphorus in the soil in bonds with metals such as Al and Ca, especially in acid soils such as ultisols. This form of phosphate must be mineralized or dissolved using phosphate solubilizing bacteria. The ability to dissolve...

The occurrence and distribution of major, trace and rare earth elements have been investigated in two coal-bearing units in the Qinshui Basin, northern China: the Carboniferous and Permian coals. The arithmetic means of concentrations for most elements in the Carboniferous and Permian coal samples, although...

The hot deformation behavior of Al-Zn-Mg aluminum alloy was investigated by means of compression tests and Finite Element analysis method in the temperature and strain rate ranges of 350oC to 500oC and 0.1s-1 to 0.4s-1, respectively. The load-displacement data and the maximal cross section area S predicted...

Well water for residents around the TPA is the main source of water for the community because all water needs are met from well water, whether for drinking, cooking, bathing, washing, feeding livestock and other needs. Any change in water quality due to the influence of leachate from the TPA will affect...

Fecal Sludge (FS), a byproduct of sanitation systems, and Tannery Fleshing (TF), a solid waste from leather production processes, are considered as two of the most crucial environmental challenges attributed to their high organic load, odor and high potential for contamination. The Central Effluent Treatment...

A method for the determination of flavomycin in shrimp by high performance liquid chromatography was established. Flavomycin in sample was extracted by methanol solution and defatted with n-hexane. The lower was cleaned through the membrane and determined by HPLC. The calibration curve was linear. The...

Taking the steel slag as the adsorbent, the paper studied the treatment of zinc in the simulated wastewater. Results show that steel slag has good adsorption removal effect on Zn2+ solution. For 50ml ,100 mg /l Zn2+solution, under the condition of room temperature, when adding 1.0g 100 mesh steel slag,...

The toxicity of phenol to aquatic biota has been studied extensively for a long time. However, most studies have used a constant concentration aqueous exposure of phenol to an invertebrate species. This research was designed to characterize the toxicity effects of pulsed phenol (C6H5OH) exposure to Moina...

Menopausal condition with low estrogen level caused vaginal atrophy that it is a condition where vaginal lining become dryer and thinner and it would be easier to get inflammation. So, it was important to find out the treatment to inhibit it. This research was aimed to determine the effects of Graptophyllum...