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The purpose of this review is to find out whether 1) the actions taken by Tarumanagara University responded to the impact of the Covid-19 pandemic in the even semester 2019/2020 2) The system applied by Tarumanagara University to carry out the learning process in the middle of the even semester 1029/2020...

The Surabaya City Dispendukcapil is collaborating with local officials to implement SPBE through the Klampid New Generation (KNG) application to make population administration services easy and efficient. However, this application still faces obstacles, including: 1) lack of socialization from the kelurahan...

In this study an in situ surface enhanced Raman spectroscopic (SERS) method was developed to rapidly and sensitively detect Ferbam on spinach leave surfaces directly without extracting them out. Ferbam was used to contaminate the surfaces of spinach leaves. Then branched gold nanoparticles (GNPs) colloids...

The application of effective superplasticizer is helpful to improve the working performance and durability of concrete. In our work, several high performance polycarboxylate-based superplasticizers were prepared by modifying the commercial products with two types of thickening agents. Their dispersion...

This paper presents a Coal Heavy Haul Transportation Assembly Scheme Problem (CHASP), in which the time consuming functions, assembly number constraints and assembly weight constraints etc are considered. The time consuming costs consist of residence time and disassembly time. The disassembly time functions...

By comparing the nitrification and denitrification intensity in sediments of different aquatic plant populations in Balihe Lake wetland, the main factors influencing sediment nitrification and denitrification intensity under different water depths as well as different aquatic plant populations were discussed....

This paper analyzed the content, distribution, source and background level of PHC in Jiaozhou Bay based on investigation data in April, July and October 1986. Results showed that the PHC contents in surface waters ranged from 0.005-0.122 mg L-1, and were meeting Grade I/II (0.05 mg L-1) and Grade III...

In this study, 17 kinds of vegetables were selected to make a contrast test ina nutrient solution cultured under the condition of 50 mg/L Ce pollution. Lactuca Sativa L., a low enrichment and normal growth, was selected by soil experiment to analyze the accumulation of Ce and its physiological and biochemical...

With the COVID-19 virus in the world that does not subside, scientists are competing to create various medicines that can be used to treat people who are infected with the virus. Even now, the vaccines distributed by the government have not shown significant results. However, until now, no medicine can...

With EP(epoxy resin) as matrix resin, DCA(dicyandiamide) as curing agent and modified imidazole as curing accelerator, and adding fillers and other additives, a single–component flow–type EP underfill adhesive was prepared. The curing temperature was determined by testing gelation time and characterizing...

As in order to automate pet feeding, this project describes the design and execution of an ESP32 board-based IoT-based smart feeder. The system includes a load cell with a HX711 amplifier module to precisely measure food quantities up to 1 kg, a motor that uses servos (SG90 type) for food accuracy delivery,...

Kader Surabaya Hebat is a cadre that helps the Surabaya City Government solve social and health problems. Surabaya Hebat cadres in RW 05, Balongsari Village, Tandes Subdistrict, Surabaya City, there are several problems, namely the lack of assistance from medical personnel, the lack of recommendations...

The main gearbox is an important driving force for a pump. It needs to carry out regular monitoring. In this paper, it measures the vibration acceleration signal of a pumping unit’s main gearbox, names them 1# and 2#. After comparing the time course curve and spectral of the two main gearbox, it has...

Chemistry is one of the subjects that is quite difficult for students to accept, especially in the introduction to the periodic table of elements, which are not small in number. So there is a need to develop interactive learning media to increase students’ interest in learning. This study aims to create...

Educational personnel have an important role for tertiary institutions. Education personnel function to guarantee the continuity of the education delivery system in an institution. The performance of educational staff will greatly affect the performance of tertiary institutions, one of the factors that...

The paper based on the analysis of the regional geological background of Maoping lead-zinc deposit and extract alternation information in the area through ETM+ remote sensing image. It used principal component analysis to extract the alternative anomalies.We can research on the alternation anomalies...

Energy saving, emission reduction and boost energy utilization efficiency have long been the research hotspots of automobile industry[1]. In the thesis the principle of semiconductor thermoelectric power generation is briefly expounded to raise one solution of using thermoelectric power generation material...

In order to improve the isolation, diversity, and efficiency of a specially designed MIMO antenna for 5G-NR FR-1 Bands N78/77/48, this study aims to optimize the previously listed characteristics. The dielectric substance Rt/duroid is now being used in place of Rogers RO3003. 5870, whose dielectric constant...

The COVID-19 pandemic has had a huge impact on the global economy. Most of the region’s “non-essential” businesses were ordered to shut down by the government. Also, only necessary productive activities were allowed to operate, so most of the region’s GDP was kept below. In that case, biotechnology and...

Listed company’s characteristics of ownership structure is an important factor in the corporate governance mechanism, and the differences in its characteristics will significantly affect the management and investment decisions of listed companies; and the large shareholder as the direct shareholder has...

The purpose of this study is to analyse the effect of eWOM and product attitude on college students’ intention to buy Anfu sport shoes in the online community. In this study, 767 valid questionnaires were obtained from college students who no purchase Anfu sports shoes by convenient sampling. After statistical...

This study aimed to: 1) develop language skills in children; 2) provide fun learning through storytelling method using audio-visual media in Early Childhood Department Group A. The research method was carried out by classroom action. The research subjects were students, consisting of 16 children, in...

This Particulate nuclide deposit onto the sea surface will bring radioactive hazards to marine ecological environment, so it is necessary to study the dry deposition velocity of it onto sea surface. In this paper, a model of dry deposition of particulate nuclide onto sea surface is established, and the...

This study aims to describe the nominal phrase structure of the Mongondow language in terms of the relationship category of its elements and to describe the structure of the nominal phrase of the Mongondow language in terms of the semantic relationship. This study uses a qualitative method. The data...

This paper mainly uses the methods of acoustics and speech aerodynamics to study the vowels and vowels of Xiahe dialect, and establishes the vowel pronunciation model of Xiahe dialect. Some praat script programs are used to extract the formants of vowels and draw the vowel ellipses of Xiahe dialect....

Based on the fact-finding of the elderly women in the three cities of Hubei Province, this paper clearly reveals their dressing features. The results indicate that: 1. The elderly are more subdivided in contemporary cities of Hubei. Though the traditional ethics, the aesthetic value and the consumption...

Achieve this research to obtain empirical data and analyze; (1) the effect of leg muscle strength on the achievement of running 100 m. (2) The effect of leg muscle explosive power on 100-m running performance. (3) The effect of leg muscle strength and leg muscle explosive power together on the 100-m...

A directive speech act is an utterance mostly found in daily conversation. The purpose of directive speech is to make the listener obey the speaker’s instructions. In Japanese conversation, people are used to being very attentive and careful in using the directive form of speech since they are not used...

The COVID-19 research literature reveals that during the COVID-19 pandemic, people faced with unemployment risks, community blockades, and various negative information on the Internet, people will have fear, disgust, sadness, and other emotions in the short term, and will lead to anxiety and depression...

One of the subjects taught at the elementary level is science, the concepts contained in the science material are very many that allow for misconceptions experienced by students. Understanding concepts is the main key in science learning, but there are still conceptual errors experienced by students,...

With the rapid development of Internet and computer technology, modern education based on the Internet as main means has become the trend of the development of the education today. Although the domestic English testing system gains more and more attention but most universities and colleges’ equipment...

Shale gas is a kind of unconventional gas,but it is difficult to exploit because of the low permeability and porosity of shale.In recent years,with the larger emission of CO2,how to use CO2 to enhanc shale gas recovery(CO2-ESGR)and sequestrate CO2 effectively is a topic of common concern.Besides the...

The 21st century is the century of knowledge, information technology, and the industrial revolution 4.0. In this century, changes occur very quickly and are difficult to predict. Results Based on a survey of graduates in 2020 of The Undergraduate program of building construction education, Faculty of...

The tourism industry around the world including Indonesia is facing significant challenges due to the COVID-19 pandemic. The declining number of tourists and the number of tourist sites that had to be closed during the pandemic were the major factors why the tourism industry had become so volatile over...

In order to investigate college students’ proactive personality status, this paper explored College Students' proactive personality status and characteristics with revised and verified proactive personality scale in Chinese version. Results showed: (1) College students’ proactive personality present...

One of the subjects taught at the elementary level is science, the concepts contained in the science material are very many that allow for misconceptions experienced by students. Understanding concepts is the main key in science learning, but there are still conceptual errors experienced by students,...

Financial fraud scandals of listed companies in China have been frequently exposed in recent years, which have seriously damaged the normal operation of the capital market and the interests of relevant investors. In this paper, we choose the listed company - Eastern Golden Jade as an example, and use...

This paper is to present our research results of the efficacy of SW303 in term of inhibiting bacteria growth in concentrated seawater and under the process conditions of seawater recirculating cooling system through the rotating specimen test and the dynamic simulation experiments. For our research purpose,...

Many people usually choose to go to a big city to work and study. However, to stop the spreading of COVID-19 pandemic, the government has issued a health regulation to stay at home. So, they have to return to their hometown where many of these hometowns often happened to be in rural areas. In this Covid-19...

The notions of interior BCK/BCI-algebras, positive implicative interior BCK-algebras, (weak) interior ideals, positive implicative interior ideals, a positive implicative weak interior ideal of type 1, type 2, and type 3 are introduced, and related properties are investigated. A mapping is provided to...

In this paper, the effects on the finite element analysis results of mesh size and mesh compatibility would be discussed based on a shear wall which has non-aligned holes. The computed results based on the compatible mesh and non-compatible mesh would be presented and compared. Similarly, the FE models...

With its basis on discrete points, pressure nephogram is widely used in safety supervision of coal mine. This essay, with the analysis of the problem of the missing "triangular" in the Bowyer-Watson's algorithm, studies and designs a points-adjacent vertex-triangular-based triangulated algorithm, whose...

The Pancasila Student Profile in the Independent Curriculum manifests through intra-curricular or main school activities. The Pancasila Student Profile must be integrated into learning. One of the subjects for grade seven of high school is descriptive text material. This study aims to describe the implementation...

To make a wise investment decision and take appropriate action during financial crises, it’s vital for all industries to have a general idea of the key factors which affect the financial flexibility of firms in different industries. In our study, factor analysis is firstly utilized to reduce dimension....

Mathematics plays a crucial role in facilitating students to develop various skills in the 21st century. It is important for teachers to adapt instructional models and tools based on the characteristics of the current generation. The objective of this research is to describe the process and outcomes...

Flexible polyurethane foam has been treated with borax, expanded graphite (EG), EG/borax as flame retardant, respectively. The thermal degradation of samples has been studied by thermogravimetry (TG) and differential thermogravimetry (DTG) in air. From the resulting data, kinetic parameters for different...

This paper analyzed the contents, horizontal distributions, sources and spreading process of Pb in Jiaozhou Bay, China based on investigation data on Pb in surface waters in 1985. Results showed that Pb contents were 11.4-42.8 g L-1, and were confirmed with Grade IV in according to Chinese Sea Water...

In the era of knowledge economy, knowledge management has been recognized as an important means to enhance the competitiveness of enterprises, and the access control of enterprise knowledge is a main mechanism of information system security. In this article, through analyzing the type of enterprise knowledge,...

Ionic liquid [HeMIM]Cl was prepared and then used to synthesize phenol formaldehyde resin adhesive by in-situ blending with phenol and formaldehyde using base catalyst. The chemical structure of hybrid adhesive was characterized by FT-IR, as well as the effects of the ionic liquid amount, the molar ratio...

Bullying dangers the development of children. Educational efforts to prevent and minimize bullying are significant. This research aims to describe the process of implementing the Stop Bullying application and show a reduction in bullying at SDN Karangwaru 2. This research was a qualitative type with...