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The paper studied the running characteristics of air-source heat pump assisted solar water heating system. The results showed that the temperature of hot water could reach 32 , 42 and 57 respectively, when the daily total radiation was 9.79 MJ/m2 15.58 MJ/m2 and 21.42 MJ/m2. Under the radiation of 15.58...

In this paper, a novel capacitive pressure sensor with large dynamic range is presented. The working principle and the design structure of the sensor are demonstrated in the paper, then the theoretical calculation of mechanical properties, capacitance and the simulate results are performed. The study...

In a designated verifier signature scheme, only the designated person can verify the validity of the signature. Due to such attribute, it could be used in many fields such as financial payment system, e-voting, and e-taxation. Recently, Lee et al. proposed an identity based signature scheme to overcome...

Crude palm oil (CPO) is the result of the production process of processing palm oil from fresh fruit bunches (FFB) of oil palm plantations. CPO is referred to as crude palm oil which is refined to become frying oil for public consumption. The process of refining CPO to become frying oil is carried out...

This research aims to develop a system which is used to identify the concrete cube failure mode as acceptable or non acceptable. In the given system we have used image processing algorithm to detect the cracks on concrete cube and machine learning algorithms like YOLO version 10 for image cropping, an-note...

Food is an essential part of our lives. India is a diverse country with each region having its own special cuisine. Eating out was not much of Indian style, but the present senior is different. The restaurant industry in India has been emerging at a rapid pace in recent years and is expected to continue...

In view of the problem of poor quality of Material Mechanics experiment teaching, this paper puts forward a method of using simulation technology to assist teaching. In order to solve students’ learning doubts about bending deformation of H-beam, the research team established a geometric model together...

A study was made to desulphurize the coal from WuHai of Nei Meng Gu province in China, characterized by high content of sulphur (2.85%) and high content of organic sulphur (0.49%) by using the mesophilic bac-terias isolated from WuHai coal. In the present investigation, while using these natural microbial...

To study the characteristic of adsorption kinetics of BHC and DDT in the unsaturated zone of typical northeastern soil field of China by adopting indoor soil adsorption simulation experiment. The purpose of the study is to reveal the pollution mechanism of BHC and DDT to soil and groundwater and provide...

CVD (cardiovascular disease) is a group of non-communicable diseases and a global cause of cardiovascular death. The search for gents inhibiting blood clot formation (thrombus) and enhancing antithrombotic activity are important for the prevention and treatment of CVD. Previous study reported that bacteria...

One way to increase the surface hardness of a material is by adding carbon elements in a confined space under controlled temperature, a process known as pack carburizing. This study used the pack carburizing technique to explore the effects of different carbon powder sources on the hardness and microstructure...

Writing Centres (WCs) have become a critical component of HE, especially in their role of building students writing capabilities. Moreover, WCs are ascribed to the purpose of student retention through inclusive teaching practices. Remarkably, there has been a paucity of evidence-informed studies investigating...

Acceptance and Commitment Therapy (ACT) is a mindfulness-based therapy for increasing psychological flexibility. In this study, ACT helped individuals who evaluated themselves negatively with regard to their body weight. Specifically, this preliminary study aimed to alleviate students’ preoccupation...

Having adequate science process skills is a must for pre-service science teachers as a provision in carrying out their duties as a science teacher. This study aims to provide a profile of the science process skills of pre-service science teachers in the Sciences Education Study Program, Faculty of Mathematics...

In this paper, we present a method to extract features of dynamic gestures and use the Hierarchical Extreme Learning Machine (H-ELM) for gesture recognition. We use a Kinect sensor to record the motion of the three joint points of palm, wrist and elbow. The relation among the three trajectories is extracted...

The low pressure of ZnO varistor ceramics were prepared with 99.5 mol % ZnO +0.5 mol % CaCO3. Subse-quently, placed in a constant temperature conditions of 1420 for 10 h, and cooking in boiling water long enough. The microstructure of the particle size analyzed by optical microscope, the doped ZnO varistors...

The Government of Indonesia makes policy by implementing learning with online system through several online platforms. This study raised the topic about students’ perception of English course during online learning during the Covid-19 pandemic with the online Whatsapp platform used by grade 8 students...

Aiming at the problem that the converter gas steam recovery and average recovery rate is less than forty percent in some steel factory, this research optimized recycle-using system of steel plant’s converter gas by applying neural-network adaptive predictive control and fuzzy control. The simulation...

In this paper, we design a linear time algorithm to determine whether a Halin graph H has a cubic subgraph H*. If H has, then the algorithm finds a cubic subgraph H* in H; otherwise the algorithm answers “No”

The environment of the modern city suffers various conflicts, e.g. infrastructural, functional or compositional. In studies on the city’s morphology, the types and kinds of hard-to-avoid problem areas are considered. These areas are usually formed in the course of natural structuring caused by unpredicted...

Oil and gas are natural resources that the state must manage following the provisions contained in the Constitution. Management of natural resources needs to consider aspects of benefit for the welfare of all Indonesian people who are now starting to be environmentally conscious. This change in legal...

This study aims to describe Korean YouTubers' Indonesian pronunciation skills and the results are expected to be used as learning materials for the Indonesian Language Program for Foreign Speakers (BIPA). Data were in the forms of the transcriptions of YouTuber’s speech taken from the YouTube channels...

The past several years have seen an increase in interest in trading that is supported by machine learning and artificial intelligence. Utilize automated trading with the aid of machine learning and artificial intelligence to reap the maximum rewards from the cryptocurrency market. For a specific time,...

The preparation of peroxyacetic acid (PAA) using acetic acid and hydrogen peroxide (H2O2) in the presence of perfluorinated resinsufonic acid (Nafion-H) in room temperature has been studied. The prepared PAA is determinate with Au electrode by cyclic voltammograms of after background subtraction. A form...

Infrared thermal imaging system is a key component in hot stamping and is commonly used to collect parts temperature during the part production process. However, due to the inappropriate setting of the emissivity, the output produced via such system usually lack accuracy and consistency. A ± 150 ℃ temperature...

This study analyzed arm flexion isometric force, upper extremity movement, and ball toss position toward ball speed in tennis flat serve. Nine tennis players aged 20.78 ± 5.044 years old participated in this study and were chosen as research samples by using the purposive sampling method. The independent...

World energy demand continues to increase rapidly. Meanwhile the non-renewable sources of energy keep decreasing. To overcome this situation, many studies to produce energy from renewable source has been developed and tested. From many available options, biodiesel is one of renewable energy that has...

Taba language is one of the regional languages in North Maluku Province. This language belongs to the Austronesian language family. The last condition of the vitality of this language is threatened with extinction. So far, the study of the linguistic microstructure of the Taba language has not been carried...

In this paper, the elasto-plastic dynamic analysis on dynamic failure behaviors of a steel double-layer hexagon grid used in a swimming gymnasium with the function of earthquake victim shelter under disaster earthquake is carried out under EL-centro wave with SAP2000, and the appraisal results on their...

The tea estate sector in Sri Lanka plays a vital role in sustaining national tea production, while training and awareness programmes are essential for enhancing both the quality and quantity of tea production and for improving the livelihoods of employees. This study examines the perception of estate...

Up to 2017, the total mileage of the Chinese high-speed railway (HSR) exceeded 22,000 km. Benefiting from the rapid socioeconomic development and the widely use of smart phones, more and more passengers need to access broadband information services through wireless networks while they are on travel....

This study aimed at to analyze and describe the strengthening of the village government capacity in the village fund policy implementation. The model of strengthening the village government capacity is proposed in order to revitalize village development, make community institutions more representative...

In the context of urban regeneration and cultural tourism development, the quality of historical street interfaces plays a key role in shaping spatial experience and the perception of historic character. However, existing studies often examine either morphological attributes or perceptual evaluation...

An optical detection system is built by using model building method based on the modulation transfer function. The effects of space environment and noise model have been considered and added in this system. In this model, we solve the establishment of the complex imaging model problem in dynamic running...

The mutual inductance coupling of the traditional multi-turn coils is relatively large, which makes the shallow "blind area" of the detection increase. Therefore, a conical field source device was proposed, and the calculation formula of the radius of each turn coil in the device was given. First of...

A series of high concentration of vanadium catalysts were prepared by the citric acid method and was evaluated for the selective catalytic reduction of NOx by ammonia (NH3-SCR) at middle-low temperature (180-280oC). Experimental results showed that V-W/SiTiOx exhibited the good activity on NH3-SCR reactions,...

We reported density functional studies of the structure and thermodynamics of NaMgH3 in the cubic perovskite structure as well as corresponding fluorides. Analyses of the calculation results in terms of formation enthalpies, substitution enthalpies, reaction enthalpies showed that partial H were replaced...

Starting from the perspective of human tragedy brought about by the unplanned industrial development, D. H. Lawrence explores the distorted relationship between human and nature, exposes the tragic problems of the western society caused by the British capitalist industrial civilization. In addition,...

This paper describes design, development and deployment of a fuzzy based agricultural decision support system which help farmers to make wise decisions regarding selection of a crop. Various parameters for decision making are understood and Fuzzy interface systems are developed. This study finds application...

Meistera chinensis is one of the endemic plants of Southeast Sulawesi from the Zingiberaceae family which has a large number of species and an interesting potential to be developed as a source medicine. However, there is no report on neither chemical contents nor biological activities of the plant. The...

The effects of intercropping with four floricultural accumulator plants (Helianthus annuus, Cosmos sulphureus, Cosmos bipinnata, Impatiens balsamina) on soil enzymes activity and soil organic matter of grape seedlings under cadmium (Cd) stress were studied by a pot experiment. The results showed that...

This paper was taken from the results of research conducted by researchers in 2016 and 2017 at Cimahi inclusion school. The purpose of this study is to produce a learning model to help teachers in overcoming students who have emotional and behavioral disorders (EBD). Background teachers from general...

COVID-19 is a public Health Emergency of International Concern. The aim of this work was to assess the level of Knowledge, Attitude and Practice (KAP) among Egyptians toward COVID-19. A cross-sectional study was conducted from March 1st to April 1st, on 3712 participants of different ages and sex. An...

The aim of the experiment was to verify the CO2 concentration in the indoor environments in different flows of fresh air per person, based on the legislative requirements of the Czech Republic and the European Union. The experiment was performed in a passive house at the Faculty of Civil Engineering,...

This study examines the potential compounds dragon fruit peel extract (Hylocereus polyrhizus) which are synthesized into silver nanoparticles, then used as the antiseptic mouthwash. The synthesis process is carried out using the Green Synthesis Nanoparticle method, which utilizes natural materials as...

This paper is about an interesting application of the Frequency Modulated Continuous Wave (FMCW) radar system for the traffic surveillance. By introducing a novel monitoring mode, it is designed to provide synchronously the velocity measurements of all the vehicles within the radar footprint. To achieve...

Infrared temperature measurement technology is widely used in the detection of surface temperature distribution of hot stamping parts. However, the accurate infrared temperature measurement for complex parts is still a problem due to the deviation of emissivity. In this study, a novel directional emissivity...

The study of wind resistance of inertial mass damper mainly relies on theoretical analysis and numerical simulation, but lacks experimental verification. For this purpose, an innovative inertial mass damper is designed, whose mechanical topological form is similar to tuned viscous mass damper (TVMD)...

A novel method of extracting vanadium from molten vanadium slag was developed to process vanadium slag with high Ca and P contents. The mineral phases of the clinker obtained after oxidizing the molten vanadium slag with high Ca and P contents (10.71 wt. % V2O3, 19.20 wt. % CaO, 1.03 wt. % P2O5) were...

In this paper, two new distributions, weibull-rayleigh and weibull-exponential of X–weibull family are introduced. The various properties of theses distributions, for example, the density functions, distribution functions, hazard rate functions, moment functions and Shannon entropy are investigated and...