Search all articles

Antibiotics are widely used to treat or prevent human and animal diseases, as well as to promote the growth of animals in livestock breeding and aquaculture. As a type of antibacterial drugs, antibiotics have been widely applied in human/animal disease prevention, disease treatment, animal husbandry...

We study a (2 ± 1)-dimensional system that can be viewed as an infinite number of O(3) σ-fields coupled by a nearest-neighbour Heisenberg-like interaction. We reduce the field equations of this model to an integrable system that is closely related to the two-dimensional relativistic Toda chain and the...

Kaempferia galanga has anti-inflammatory activity and worth developing as lipoxygenase inhibitors. The aim of this study was to determined δ-3-carene, one of the potential compounds of K. galanga, as a lipoxygenase inhibitor. The LOX-inhibitor activity was tested in-vitro. The result showed that the...

This study aims to investigate how academic engagement experienced by 307 students of University X is influenced by social support. Academic Engagement is a positive state of mind, fulfilment and feelings toward tasks related. characterized by three dimensions, namely vigor, dedication, and absorption....

Multiple-choice test is one of the most widely and popularly used tools to evaluate students’ competence and knowledge. This type of test mainly used at various levels considering its efficiency, reliability, and the easiness in the standardization process when compared to other types of tests. But unfortunately,...

A country usually has a charming tourist attraction, but in each region is not fully known by the public, especially the less exposed areas. Along with the rapid development of technology plus changes inhabits during the Covid- 19 pandemic requires a lot of activities to be done from home. This makes...

Black soldier fly (BSF) is increasingly recognized as a vital component of circular economy systems, facilitating organic waste recycling while producing alternative protein feed for the livestock industry. This study aimed to evaluate the growth performance of BSF larvae reared on varying ratios of...

This study aims to determine the effect of using a wordwall application to improve English vocabulary mastery of elementary school students in Garut. The method used is an experimental research method using a quantitative approach. Because this research requires treatment to find out the effect of WordWall...

Through pot experiment, the paper explored the impact of saline-alkali soil ameliorated by coal ash and coal gangue on the growth tamarisk. The experimental results indicated that the amelioration effect of saline-alkali soil by adding 15 % coal ash and 15% silt was distinctly better than adding 10 %...

This paper is based on the application requirements of fully polarimetric radar for near ground and sea targets detection, super-resolution radar imaging has been conducted in this paper, based on an efficient method for the analysis of electromagnetic scattering from 3-D objects within a half-space....

In the process of daily electricity production, the data of geo-information resources of power grid equipment is basically collected by the field site staff. Currently, the main problem is how to use advanced information communication measurement technology to support and improve the accuracy and efficiency...

This paper is a continuation of our previous work in which we studied a sl(3, ℂ) Zakharov-Shabat type auxiliary linear problem with reductions of Mikhailov type and the corresponding integrable hierarchy of nonlinear evolution equations. Now, we shall demonstrate how one can construct special solutions...

This research aims to describe social stratification in the implementation of the custom of practicing the mallariada order of the Mandar Balanipa tribe. This research is a type of qualitative research. The data in this study is the result of observation, documentation and in-depth interviews with resource...

This study uses PISA questions to examine literacy skills from a gender perspective. Eighth-grade students of SMP Negeri 1 Kontakmacan, both males and females, participated in this study. Written tests, interviews, and data collection methods were used with a qualitative descriptive research methodology....

The need for learning models for students in vocational education is certainly different from learning for students in academic or scientific education. An in-depth analysis of the need for subject matter that is indeed in accordance with the characteristics of vocational education is needed more than...

This study is classroom action research that aims to improve students’ mathematics learning outcomes of SMP Negeri 3 Makassar through contextual teaching-learning. The way of the study covered four-step namely planning, action, observation, and reflection. The research subjects were grade VII6 students...

Online learning. is one of the educational transformations during the pandemic as an effort to narrow the spread and transmission of the Covid-19 virus. However, the consequences of changes without the readiness of various parties, have led to the emergence of an educational crisis that has an impact...

The development of regional and city tourism will be affected by hosting an expo to a certain extent. According to a case of ASEAN Expo, we analyses the effect of ASEAN Expo to the tourism development of Guangxi province and Nanning city on 3 issues that the hotel industry, inbound tourism and tourism...

Thermal dissolution (TD) of Shengli lignite was carried out in isometric solvent of methanol and ethyl acetate (EA), methanol, and EA to offer the thermally soluble fractions 1-3 (F1-F3), respectively. F1-F3 were analyzed by gas chromatography/mass spectrometry and direct analysis in real-time ionization...

In this paper, we adopted natural rain experiment method to study the transformation of the change of raindrop speed and diameter with time and the results indicated that the rain intensity change strongly with time at the natural rainfall. At the natural rain,the raindrop speed mainly at 0.4-8.2m/s...

Critical, creative, collaboration and communication skills (4Cs) are four essential skills needed to survive and thrive in the 21st century. The 2013 curriculum has included 4Cs as a paradigm in curriculum development. Unfortunately, its implementation in classrooms is still limited to discourse. This...

Maknai, Hayati, Hafalkan, and Kenali Simbol (Maya Hasim) learning model training program is a training program for early childhood education teachers, so they could improve the comprehension and receptive also expressive language skills of children aged 5-6 years old by enriching their vocabulary in...

The paper constructed the comprehensive evaluation index system via selecting 10 indexes: consumption demand and infrastructure. Adopted principle component to make the initial Regional Logistics Space Integration (RLSI) schedule of Shanxi Province, then employed two-dimensional graphics cluster in determining...

In this study, a computation-aware scheme for motion estimation (ME) in H.264 is proposed. The objective of the proposed scheme is to properly distribute the available ME computations of the H.264 encoder. Here, the temporal motion vector prediction technique is used to get the predicted motion vector...

Introduction: Osteoarthritis (OA) is a chronic condition that affects the joints and is the most prevalent type of musculoskeletal ailment worldwide, particularly in Indonesia. Methods: According to the following inclusion criteria, the study was conducted: Adults between the ages of 45...

Subalgebras of the Lie algebra AC(2, 2) of the group C(2, 2), which is the group of conformal transformations of the pseudo-Euclidean space R2,2, are studied. All subalgebras of the algebra AC(2, 2) are splitted into three classes, each of those is characterized by the isotropic rank 0, 1, or 3. We present...

Family planning is an effort to regulate the birth of a child, distance, and ideal age of childbirth, arranging pregnancy, through promotion, protection, and assistance according to reproductive rights to realize a quality family. Pregnancy arrangements in the family planning program use contraceptives....

The Chinese-specific expression is an important carrier for spreading China’s voice. Research on the English translation of Chinese-specific expressions helps to enhance the international community’s understanding of China. Drawing on a newly published book Xi Jinping Zongshuji Jiaoyu Zhongyao Lunshu...

To prevent debt-related fraud, Indonesia and a few other nations have adopted the Maastricht Treaty Concept, in which the government sets a maximum limit on government debt of 60 percent of GDP and a maximum limit on a budget deficit of 3 percent. In Indonesia are regulated by ACT Number 17 of 2003....

The effects of circulation industry and economic growth has always been an important content of current academic research, This article is based on the 2007-2016 10 years data using the grey correlation analysis of affecting the three industries of national economy growth and has carried on the empirical...

The influence of partial substitution of Fe by Co on the glass forming ability and soft magnetic properties of the Fe71-xNb6B23Cox (x=1, 2, 3, 4) metallic glasses were investigated using X-ray diffraction (XRD), differential scanning calorimetry (DSC), and vibrating sample magnetometer (VSM). These glassy...

MOIL Ltd. (formerly Manganese ore India limited) operates 10 mines. Out of this 7 mines are underground. Chikla mine is one of the underground mines. The mining method employed here is horizontal cut & Fill. The present paper describes the studies conducted to optimize the stoping parameters for better...

A miniaturized wideband microstrip Marchand balun is presented in the paper. The balun is simulated and optimized in ADS and HFSS to evaluate the characterization. The Balun is fabricaded on a double-sided PCB by Rogers's 5880 material. The results show that, the bandwidth of the balun is from 8GHz to...

Based on the piezoelectric and temperature effects of lithium niobate (LiNbO3) wafer, this paper presents a design of a one-port resonator-type interdigital surface acoustic wave-based sensing device with a wireless transmission function for measuring vehicle tire pressure and temperature. The sensing...

This study aims to produce a valid learning device based on guided discovery models to improve mathematical problem-solving ability. Learning tools developed in the form of Lesson Plan (RPP) and Students’ Work Sheet (LKPD) of mathematics subject for the class VII of junior high school. The learning model...

A conversation made by two people is known as dialogue. It is structured by means of adjacency pairs that may be analyzed under the umbrella of pragmatics (Yule, 2006). This study was aimed at: (1) identifying the structure of adjacency pairs in the dialogue between President Joko Widodo and Najwa Shihab...

The purpose of this study are: (1) explaining the difference of learning outcomes between students using teaching book in hardcopy form, teaching book in softcopy form and students without using instructional technology of geography (ITG), (2) explain differences in learning outcomes in terms of prior...

While more firms choose to go public, more risks are involved. To reduce accompanied risks, we review the theory, evidence, and correspondence strategies on different risks of IPO activity: (1) IPO failure risk, (2) litigation risk, and (3) systematic risk. Our perspectives are threefold: First, we evaluate...

The purpose of this study was to determine the influence of green service practice on green loyalty through green satisfaction in travel agent services. The research method used is a survey method using a questionnaire in the form of a google form. The research population is travel agent service users...

The influence of different drying temperatures and drying loads on the drying characteristics of coarse coconut palm sap sugar were investigated in this study. The granulated coconut palm sap sugars were dried using an air-oven dryer at three temperature variations (60, 70, 80°C) and three different...

Dry rot, caused by various species of Fusarium, is one of the most important fungal storage rots affecting potatoes. Infection of tubers occurs through wounds during planting, mechanical harvesting, and grading into size bands. The research aim was to identify the fungus carried by the tuber and its...

Brain necrosis in mice can be triggered by injection of streptozotocin (STZ), causing nerve cell injury that can trigger neurodegenerative diseases. Centella asiatica (L.) Urban is one of the herbs whose triterpenoid compounds have neuroregenerative activity, so it is widely used as Centella asiatica...

The purpose of the research is to map the recent developments of the seed system concept. The seed system has developed the concept of a formal and informal seed system towards an integrated, interrelated seed system. This mapping was used for triggering further research and guiding the application of...

Object detection and tracking technologies in robotics have gained prominence in industrial and warehouse processes, offering increased efficiency, safety, and productivity. Robots equipped with these technologies excel in replacing humans in repetitive tasks, allowing individuals to focus on more complex...

Our goal is a model to determine an optimal investment strategy. First of all, data preprocessing is significantly indispensable for a kind of data insight problem. Cluster analysis is such a kind of algorithm for preprocessing data. We classify the factors as five groups, and each group has the similar...

Objective To research the risk assessment method of welder's pneumoconiosis caused by welding fume exposure, predict the incidence of welder's pneumoconiosis, and provide technical basis for occupational risk management. Method Welders of a large-scale agricultural machinery processing workshop were...

Tank-cleaning oil sludge containing about 68.59 % saturated hydrocarbon and 14.93 % aromatic hydrocarbon was degraded by P. aeruginosa NY3 in this study. The results showed that, the degradation of oil sludge by P. aeruginosa NY3 was preferred under aerobic conditions, and sufficient dissolved oxygen...

The high optical purity naproxen starch ester has been synthesized by Candida rugosa lipase (CRL) in isooctane. The starch was treated with Urea /NaOH / H2O solution at low temperature to improve its chemical reactivity. Under the reaction condition that the ratio of racemic naproxen methyl ester to...

This research background is based on the gap among students regarding the capabilities to understand and visualize a certain shape and color of interior-exterior subject, seen by the visual-spatial intelligence of the students themselves. Visual-spatial intelligence and drawing ability research are focusing...

In the 10-year post-disaster reconstruction process after Wenchuan earthquake, a mechanism for post-disaster reconstruction involving government, social organizations, enterprises and individuals has been formed. The purpose of this paper is to provide new ideas for exploring emergency management by...