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A pot experiment of ‘Shennong 9816’ treated by 0, 2 mg kg-1 cadmium(Cd) and 0, 1.4, 14 g kg-1 biochar were conducted to investigate the effect of biochar on the chemical forms of Cd in rice. The sequence chemical extraction method was used to study chemical forms of Cd in roots, stems and leaves of rice....

PC/ABS blend is widely used in the vehicle interior, electronic parts and accessories. In this dissertation, fracture crack properties of PC/ABS blend was studied. The specimens were prepared under various injections molding conditions, such as filling time, melting temperature and mold temperature....

Brine water based drilling fluids have advantages on protecting reservoir and stabilizing well hole, meanwhile, it also have some defects such as low lubricity and strong corrosivity, especially the low lubricity have already become an important problem demanding prompt solution. Focusing on the problem,...

With the continuous development of Internet and rich resources emerging on the Web, information retrieval based on XML has emerged; the similarity of documents is the basis of information retrieval. A new method SC-Similarity is proposed to compute similarity of XML documents from structure and content...

Reference is deixis following the context of the language so that it always changes and appears in various situations and language events, resulting in the meaning of the reference in one lingual unit being different. This study examines the form of person and time deixis and their forms of reference...

This research adopted PISA 2018 Student Questionnaires Database to process the sample figures in four participating provinces of China (Beijing, Shanghai, Jiangsu, Zhejiang), by investigating the academic achievement motivation among 10330 15-year-old students. Specifically, the study employed multiple...

By simulating the distribution situation of urban landuse, practical reference can be provided for the future social and economic development of Lianyungang city and effective ecological environment protection. The city expansion simulation of Lianyungang region is done by using GeoSOS. By using the...

This study aims to identify Tourism Development in the Challenges of the New Life Habit Period and Post Covid-19 Pandemic in Tomohon City. The research method used is a mixed method between qualitative and quantitative. The results showed that: 1) The policy of development and development of tourism...

This paper aims to provide an overview of the changes in education within Malaysia and Indonesia. The COVID-19 pandemic has exacerbated changes in society, but more specifically in education, forcing students and teachers alike to adapt to online learning. This paper will focus on 1) the changes within...

A Software Product Line (SPL) is a collection of software for configuring software products in which sets of features are configured by different teams of product developers. This process often leads to inconsistencies (or dissatisfaction of constraints) in the resulting product configurations, whose...

Creativity is one of the skills of the 21st century. Therefore, students’ creativity needs to be developed, especially in mathematics classroom. To increase student creativity, it is necessary to understand the perceptions of mathematics teachers on student creativity, so that teachers can train students...

The level of knowledge and adaptive capacity needs to be analyzed because both components are an effort to improve natural disaster mitigation. This study aims to analyze the relationship between the variable level of knowledge and the adaptive capacity of students to natural earthquake disasters at...

We constructed the random SA-mixed models based on Sierpinski and 2-dimension Apollonian networks having scale-free properties, and we have shown our random SA-mixed models are scale-free. It is noticeable, adding unchanged motifs doesn't affect the scale-free behaviors of the origin networks. The random...

The purpose of this study is to find out how the effectiveness of the consumer dispute settlement agency (BPSK) outside the court in electronic trade dispute resolution and how the binding power of the decision of the consumer dispute settlement agency outside the court in electronic commerce. BPSK has...

On March 2, 2019, the government announced the existence of COVID-19 in Indonesia, so that all activities are recommended to be online-based, as well as learning. Learning through online media has various impacts on college students. This has an impact on the level of college student productivity. The...

Data augmentation is an important technique to improve the performance of deep learning models in many vision tasks such as object detection. Recently, some works proposed the copy-paste method, which augments training dataset by copying foreground objects and pasting them on background images. By designing...

Objective: This paper studies the subway tunnel seismic nonlinear dynamic response, so that can get some helpful conclusions, which is helpful for seismic designing of metro tunnel. Methods:A series of probems on dynamic FEM are discussed and suggestions about setting of soil dynamic constitutive model...

Objective To investigate the mental health status and influencing factors among family caregivers of hearing-impaired children. Methods: This survey adopts the questionnaire survey method. Questionnaires were distributed to a total of 200 family caregivers of hearing-impaired children from the Kindergarten...

Ce doped TiO2 catalyst was synthesized by sol-gel method. This gel was dried at 70 during 2 hours and afterwards was calcined at 500 for 4 h. Then, the anatase TiO2 catalyst power were obtained. The 0.3wt% Ce/TiO2 catalyst is efficient and stable catalyst for the photodegradation on the 2,4-DCP solution....

With the help of statistical software Eview6.0, qualitative analysis is carried out of China's civil aviation passenger traffic since reform and opening up. It is found that China’s civil aviation passenger traffic development experienced three stages: slow development stage from 1978 to1990, relatively...

This paper focuses on the actuator fault detection for UAV. Firstly, the longitudinal dynamics model of UAV with actuator faults and atmosphere turbulence is given. Based on this, an observer-based fault detection filter is applied for residual generation, and a performance index is introduced, which...

This paper focuses on the recent drone and gesture recognition technology, and we try to apply the gesture recognition technology to a drone platform. Thus, a drone system capable of gesture-controlled navigation is implemented. The major components comprising the system are Parrot AR. Drone [1], Kinect...

The Covid-19 pandemic has put a strain on the world’s health care system since 2020 when the outbreak took a toll in people’s lives. This research mainly focuses on the adverse/ obvious effects of the pandemic on mental health and it aims to study the current level of mental health of the people over...

A test site in West Kunlun area, China has been established to study the applications of WorldView-2 multispectral data to iron oxide minerals mapping. An iron oxide minerals distribution map was mapped by Spectral Matched Filtering (SMF) technique after the image data had been processed by atmospheric...

Online auctions have seen a tremendous transformation as online functions developed over the past decades. This paper aims to explore the background, state quo, and current problems of online auctions through a deep analysis of literature reviews and case studies. Using the examples of Mobile Internet...

A 24 GHz programmable frequency divider in 65-nm CMOS process is presented in this paper. The divide ratio can be varied from 208 to 270 in a step size of 2.The divider consists of a divide-by-2, an 8/9 dual-modulus prescaler, a programmable pulse-swallow counter and a buffer. The post simulation results...

The purpose of this research is to examine whether 1)ODL experience may affect DASS 42 test for analysing psychological condition of the students 2) level of satisfaction of students towards learning is affected by type of learning, 3) emotional disturbance students with different learning types. Sample...

Esuk sore batik is batik with two motifs that are moved through diagonal lines or vertical lines. The research aim to explain how the process of making esuk sore batik based on geographical Blora, explain the application of motifs with the source ideas of the geographical of Blora in the esuk sore batik...

Xinjiang Uygur Autonomous Region, located in the northwest border of China, is one of the five ethnic minority autonomous regions with wide area in China. There are 47 ethnic groups, including Uygur, Han, Kazakh, Hui, Mongolian, Kirgiz, and Russia and so on. Xinjiang songs are influenced by the local...

Due to the establishment of current maritime satellite communication link is often used communication on the move system, but it often does not apply to the offshore mobile small platform, and the current research in this area is less. This article first on the basis of dynamic simulation of the motion...

The present study proposes a kind of comprehensive quality evaluation model based on big data with an attempt to rank and grade secondary school students’ comprehensive quality ability in Shandong, in order to optimize the traditional comprehensive quality evaluation model. The model is a fusion of TOPSIS...

Surgeons are trying to achieve higher qualities in minimally invasive operation. With the growth of modern technology, intelligent medical equipments are used to improve operation safety. Milling through the bone tissue wall is a common abnormal milling state in ear surgery, which will do harm to the...

The purpose of this educational game is that children are trained to remember a form of image with various themes such as knowing animals, plants, learning to count, recognizing letters and so on which then reorder them appropriately. Such a process will help the child to remember and reassemble the...

In this paper, we propose a novel logo localization and recognition model in which we use the spatial pyramid matching with color proportion to train a score function and the Efficient Subwindow Search (ESS) to localize region and recognize specific logo. Our model has two advantages compared with other...

Accurately object searching plays an important role in computer vision. Retrieving and locating target objects in images are object searching’s two sub-tasks. Aiming to promote the precision and recall of object searching, selecting appropriate image representation methods is the core issues. The representation...

The spread of coronavirus 2 (SARS-CoV-2) has affected countries all around the globe in all sectors. This challenge needs an equally rapid response to find medical treatments to reduce the severe impact or prevent the massive spreading among people, and vaccination is one of the answers. The race between...

The research problem formulation is how to reinforce character education for students of the Geography Education Department, Faculty of Social Science, Manado State University. The study aimed to determine the implementation of reinforcement of the character education on students of the Geography Education...

The purpose of this study is to examine the influence of entrepreneurial technology opportunism on innovation performance through organizational readiness as a mediator and environmental dynamism as moderator. This study was carried out using a quantitative approach. The population of this study was...

Combined with the new industrial development, the vector autoregression model covering sports market activity and sports financial investment, the added value of the sports industry is constructed by selecting a time series data from 2006 to 2020 in China to realize scientific research on the key factors...

Electrolytic codeposition technique was adopted in the deposition of NiCo-SiC coating on the stainless substrate, using nickel alloyed with iron as the binder phase with SiC as dispersed particles. The results indicated that the deposit with SiC nanoparticles was level and compact; the crystal-planes...

The devices based on dopant bis[2-(4-(2'-ethylhexyloxy)phenyl)-5-trifluoromethyl- pyridinto-C3, N] iridium (acetylacetonate) (EHO-5CF3-ppy)2Ir(acac) were fabricated by spin-casting and depositing technique. The dopant was chosen at the different concentration (2 and 8 wt. %) and doped in host materials...

This paper examines the use of literature, such as fairy tales, in German lessons to improve students’ reading competence. This paper focuses on integrating the usage of literature as the learning material and the problem-based learning method. The data was obtained using a literature study and analyzed...

The competitiveness of tourist attractions is an essential part of the research on tourism competitiveness, but it has not been paid enough attention in the existing research on tourism competitiveness. 5A-level scenic spots are the highest quality tourist attractions in China's tourism industry,...

Backgrounds: Understanding mathematical concepts is significant and influences students in working on various problems. Understanding the picture is the basis that needs to be achieved to make it easier for students to proceed to the next level of understanding. When students understand a concept, they...

The author noticed that in many languages such as Spanish and French are gendered in nature, specifically, nouns are divided into two types: masculine and feminine. From this, the author wondered if use of gendered language would tend to be associated with a higher level of gender stereotype. If the...

A diagonal fuzzy variable structure contrail tracker is designed to the established system model on 2-DOF, which is based on the movement requirement of the terminal of the machine and the kinematics analysis giving the anticipant angle displacement of every performing part under a definite disturbance....

Gender differences caused by physiological and psychological factors has always been an important topic in the field of second language acquisition. Previous studies were mainly from Western countries, however, there has been no systematic cognition among the studies in China. Therefore, this paper mainly...

On the basis of analysis of the present situation of English Teaching in Higher Vocational Colleges, this paper explores on the model of cooperative learning in College English teaching. The structure and process of teaching model of cooperative learning are put forward: 1. Bejing specific in teaching...

Magnetic levitation (no bearings) motor by using magnetic force to make rotor suspend and drive realize its high or ultra high speed rotating. The stator’s structure of traditional no bearing magnetic levitation motor is double winding which is polar logarithmic difference 1 of 2 sets of winding (torque...

The microprocessor gradually plays a core role in the modern industry and has a wide application field such as remote sensing, data acquisition, temperature control, speech recognition, dynamic detection, real-time monitoring. Application of microprocessor in the industrial test field has three aspects:...