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A novel route was developed to construct luminescent lanthanide-based mesoporous materials. Ligand 2-(2-hydroxyethyl)carbamoyl-benzoic acid (L = HCBC) was synthesized by modification of phthalic acid, and then was introduced into a preparing MCM-41 host by the reaction between the hydroxyl group and...

Aliphatic chains and cyanoacetic acid could improve the solubility and the optical and electrical properties of small molecules. Novel D-A type conjugated organic molecules composed of central carbazole units and cyanoacetic acid terminal groups have been designed and constructed. Optical properties,...

In the Warring States Period, the legalist theory was popular, and the style of reforming the country was permeated in the land of China. The Seven Warring States known as Qin, Qi, Chu, Yan, Han, Wei and Zhao have successively changed their laws and set the foundation for the country. The national strength...

With the continuous acceleration of urbanization in China, the requirements for new district planning in urban construction are getting higher and higher, which requires the establishment of a more perfect, more integrated and more systematic multi-element urban geoscience service system to support urban...

Students and teachers were part of the education system that couldn’t be a part of each other. To engage the student to learn, the teacher needs to motivate them with several online strategies. Here, the teacher has to know the student characteristic, background, and any other supported data that can...

Nowadays the graduates can’t meet the needs of society, which makes us to have a rethink about the logistics talent training in China. There are some problems in present training system of logistics: the talent training plans revises constantly; the professional teachers are not enough; the teaching...

The propagation of TNT blast wave in the air is simulated by using the LS-DYNA finite element analysis software, to study the influence of boundary condition on the overpressure of blast shock wave. In the simulation, three kinds of blast equivalent are selected, which are 5.12 kg, 51.2 kg and 512kg....

According to structural characteristics and repair process of Urban Mass Transit Train bogies, A method of designing of virtual overhaul Teaching System is put forward combining 3D bogie modeling, virtual scene created and Human-Computer Interaction technology, that is Pro/E as a tool for 3d assembly...

This paper focuses on the literary exchanges between Vietnam and Korea during the tribute period to China. Because both Vietnam and Korea used Chinese characters as official characters in feudal times, this paper is based on literature review and literature comparative study. The study points out that...

The Covid-19 pandemic has caused the learning system from elementary to tertiary level to change using distance learning. This causes all stakeholders need to master digital devices so they can follow the learning well. The digital abilities of students as learning subjects are on the spotlight because...

The arrival of the Covid-19 Pandemic was never imagined at all. Moreover, then this pandemic swept across the world. There is almost no country that is not affected by this pandemic. The first patient announced by the President of the Republic of Indonesia, Joko Widodo, came from Depok, on March 2, 2020....

This study aims to objectively obtain information about online learning activities among Vocational High School (VHS) students. The method used in this study is descriptive method in the form of survey research with data collection tools through distributing questionnaires using Google Forms. The total...

In order to ensure the sustainable and stable development of cities in Liaoning Province, aiming at the problem of urban shrinkage in Liaoning Province, this paper uses entropy weight method (EWM) and analytic hierarchy process (AHP) to preliminarily determine and moderately correct the weight of each...

Genetic algorithm is used to calibrate four driving behavior parameters and a set of calibration procedure is put forward based on VISSIM. Using the approach maximum queue length and travel time as the evaluation indexes and applying the calibration method to a single signalized intersection of Yizhuang...

With the increasing power demand of aviation equipment, the requirement of the protection of electrical load on the plane is more and more stringent. Once the over-current happened, it would be required that the system must quickly cut off the fault circuit. A solid state power controller based on FPGA...

With the development of the times and social economy, the traditional ethnic culture of Oroqen has been gradually assimilated and its regional characteristics have gradually subsided. In the field of ceramic design in China, there has also been a phenomenon of uniformity and lack of national characteristics....

Scheduling problem serves as a common problem both for production and daily life, and the scheduling system has been increasingly emphasized and widely applied with the help of information technology. In this paper, the inspection network of a chemical plant is abstracted as an undirected graph, and...

A hardware in loop (HIL) simulation platform for a hydraulic Stewart master-slave system used for curved surface grinding work is developed. The communication between hydraulic Stewart force feedback joystick and the computer is realized by AD/DA card, which was used to improve and evaluate the performance...

In this paper, fuzzy formal concept analysis is introduced to the tourism domain ontology construction process, first fuzzy formal concept analysis of uncertain information in the domain of tourism then through the conceptual clustering generated fuzzy concept hierarchy, lastly mapping to get fuzzy ontology...

This paper presents a novel method on building relationship between the vision features of the terrain images and the terrain traversability which manifests the difficulty of field robot traveling across one terrain. Vision features of the image are extracted based on color and texture. The travesability...

This study aims to describe the audience language response and attitude on the Napak Tilas program on Garuda Radio Visual 105.5 FM Bandung. Language attitude in question consists of language devotion, language pride, and awareness of language norms. A qualitative descriptive approach was used, and the...

Family summer travel packages designing should consider the demands of different families, such as the number of people, the cost, the time and the other factors. It is important to decide how to choose the scenic spot in order to make the trip to scenic spots as much as possible, as far as possible....

On the basis of discussing cold junction compensation of thermocouple measurement, an improving solution was provided which was based on the stm32 with the programmable thermocouple transmitter with compensation function. Thermo emf is sent to the MCU of the host computer after A/D conversion, and then...

A novel electron donor unit based on phenothiazinehas been designed and constructed. The target compound (2E,2'E)-3,3'-(5,5'-(10-octyl-10H-phenothiazine-3,7-diyl)bis(thiophene-5,2- diyl))bis(2- cyanoacrylic acid) was easily synthesized in high yields with a milder and efficient route via the Knevenagel...

The production, supply, sale, human, money and material in coal machinery enterprise are an organic whole, and there are a lot of information exchanges between them. However, manual management information is dispersed and lack of perfect basic data. Information is scattered, not timely, inaccurate and...

DC motors are widely used in various industrial control applications due to their efficiency, long life, and flexible speed regulation. However, their speed control systems often face issues like response delay, instability, and overshoot. Improving the precision, stability, and robustness of these systems...

Interactive teaching is a kind of interaction and mutual influence between teachers and students, students and students in the classroom teaching. It will promote the psychological or behavioral changes of teachers and students. Interactive teaching can be divided into different types. From the point...

The large number and scales of earthquake disasters have occurred around the world in the past decade. In order to mitigate damages from earthquake disasters, the intelligent rescue systems with high information technology and robot technology have been expected. With the rapid development of rescue...

This study aimed to know the teachers’ understanding of an Independent Curriculum’s concept, the implementation of an Independent Curriculum in the classroom, efforts to implement an Independent Curriculum, and the obstacles teachers face in implementing an Independent Curriculum. This study used a quantitative...

The electrical properties of Hf-Ti-O higher-k thin film and ETSOI MOSFET with Hf-Ti-O gate dielectric were studied in this work. To accurately extract the permittivity of the Hf-Ti-O thin film, the different physical thicknesses Hf-Ti-O thin films were fabricated by radio frequency magnetron co-sputtering...

As an important part of the university-enterprise cooperation, the embedded talent training has played a significant role in the talent training. On the purpose of cultivating applied talents to adapt to the development of related industries, Nanjing University of Information Science & Technology carried...

Based on the current situation of packaging design of time-honored brands, this paper explores the narrative value of illustration in packaging design of time-honored brands and its application strategy in the packaging design of Huangchuan Hollow Gong Noodles. Illustration in packaging design of time-honored...

The micro-morphology, wettability and chemical composition of the moth wing surfaces were investigated by a scanning electron microscope (SEM), a contact angle (CA) meter and a Fourier transform infrared spectrometer (FT-IR). The micro-morphological models for hydrophobicity on the wing surface were...

The project-based teaching has become an effective model for training practical talents. BP neural networks learn to continuously adjust the network linkage weights and thresholds by propagating formulas to achieve minimum error control. Introducing BP neural network associative learning algorithm into...

Novel D-A type conjugated organic molecules composed of central fluorene units and cyanoacetic acid terminal groups have been designed and constructed. The article was aimed at improving the solubility of small molecules by introducing aliphatic chains, and improving the optical and electrical properties...

With the steady advancement of China’s “One Belt, One Road” strategy, China’s foreign trade business activities have become more frequent, and the number of transactions reached has increased. In a transaction, the importance of a foreign trade contract is unparalleled which is directly related to the...

A master-slave system consisting of a hydraulic Stewart mechanism is developed. This system can be used for grinding complex curved surfaces while keeping the operator away from the harmful dust produced. to prevent the upper platform from moving in the wrong direction because of the limitations of the...

This paper mainly introduces the two cross-linking polyethylene insulation breakdown failure factors: space charge and water tree. And it further analyzes their mechanisms of initiation and growth. Cross-linking byproducts and current type are the major influence factors of space charge which will result...

The evaluation system of teaching management execution in colleges and universities is the important guarantee for improving the teaching quality and supervising the teaching management activity. Firstly, the connotation and ne-cessity of teaching management execution evaluation is analyzed, and then...

On the background of new economic normality, the regional cooperation between China and Russia has got rapidly developed. Russia is the important country of the “one belt and one road” line, and to establish free trade area is the main propulsive forms of “one belt and one road”. The paper analyzes the...

Under the background of the Belt and Road Initiative, China gets more involved in the international activities and Chinese culture has gained great attention around the world, but Chinese students usually find themselves in an awkward situation when introducing Chinese culture to foreigners in English....

To solve the problem of utilization of typical waste resources in Daqing, the rich corn stalk in Daqing and the Daqing oilfield waste sludge were respectively selected as major and auxiliary raw. The influence of sludge proportion, moisture content of mixed materials and molding pressure on quality characteristics...

With the development of social economy, risks assessment and warning system of local government debts have imperiled economy security as well as society steadiness. In order to solve the problem, a risks assessment and warning system of local government debts is analyzed to produce some suggests. This...

The defects of incomplete tooth, low tooth height and big pitch are easy to produce, when the thread shaft is rolled by cross wedge rolling. The forming defects of teeth are researched by theoretical analysis and numerical simulation, the causes of producing tooth defects are analyzed, and forming process...

Cloud computing, explicitly using Google Docs, is crucial in creating high-quality and cohesive group research reports. This is made possible by enabling collaborative writing, allowing students to collaborate on assignments virtually, regardless of their location and schedule. However, there has been...

Setting up an expansion chamber in the local tunnel can accelerate the attenuation speed of the shock wave, which is of great importance for safety protection of the tunnel staff. Under the same simplified conditions, the reliability of the numerical model was verified according to the theoretical formula...

This research aimed to develop physics learning tools (syllabus, lesson plan, student worksheet, material) based on Problem Based Learning assisted by Google classroom on Momentum and impulse that are suitable for use in learning. This research was a research using 4D design. The stages consisted of...

This study aims to see the relationship between job type and the knowledge about Islamic financial institution products, either directly or through the intervening variable of smartphone usage. It also explores the role of religion as a moderating variable between these two aspects. The data were collected...

Lanthanum cerate(La2Ce2O7, LC) is a typically material with fluorite structure, which an attractive new generation TBC material due to low thermal conductivity, relative higher thermal expansion coefficient and excellent high temperature phase stability. Sintering-resistance of LC sharply decreased above...

With the acceleration of economy globalization and industrialization process and the growth of knowledge- economy, high-tech products are becoming the major impetus of economic development. Industrial robots are considered as the best tools to produce and solute problems for Government and many companies....