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Smart logistics has the characteristics of automation, intelligence, and efficiency, and is an important technical means for reducing costs, improving quality, and increasing efficiency in transportation logistics. In recent years, technologies such as big data, the Internet of Things, blockchain, and...

Based on MATLAB software, buck circuit is simulated to deepen the understanding of buck chopper circuit principle. In this paper, the basic working principle of buck circuit is briefly described, and the component parameters of the circuit are designed. Based on the MATLAB visual simulation tool - Simulink,...

Grassland ecosystems are one of the most widely distributed ecosystems on Earth, and grazing behavior helps to maintain the diversity of vegetation in grassland ecosystems. However, excessive grazing intensity can have obvious negative effects on vegetation cover. Therefore, it is extremely important...

Rigid rapier loom uses rigid rapier to grip the shuttle and do the reciprocating movement to realize weft insertion. To grip and release the shuttle, a complicated mechanism is used. But usually the stability of the mechanism is not good and the installation is complex. According to simulation and experiment,...

Language transfer has been a controversial topic in the field of second language acquisition. In recent years, scholars from home and abroad have studied the language transfer from different perspectives. They believe that language transfer is a complex cognitive process. Transfer is divided into positive...

This paper provides new ideas and methods for resource and environmental auditing for the construction of ecological civilization and beautiful Hebei in Hebei Province, and helps the coordinated governance of the ecological environment in the Beijing-Tianjin-Hebei region and the green development of...

The aim of the paper is to explore the relationship between economic growth and carbon dioxide emissions for a small sample of open and industrialized countries. We analyze panel data of the 19 nations of the G20 from 1995 to 2010. The research finds no compelling evidence for the existence of Environmental...

MEMS gyroscope performs as a sort of sensor to detect angular velocity, with diverse applications in engineering including vehicle and intelligent traffic etc. A balanced vibration of driving module excited by electrostatic driving signal is the base MEMS gyroscope's performance. In order to analyze...

This article analyzes the current situation of Lancang-Mekong education and cultural exchanges in the context of the COVID-19 pandemic from the perspective of Chinese studying abroad service and management, then points out some of the problems, and puts forward the countermeasures and suggestions to...

Discrete mathematics is a backbone course and a powerful tool for study computer science and technology. Based on the practical teaching on the discrete mathematics, teaching methods are pre-sented. The results show that, the teach-ing effect is good.

As the international order gradually shifts towards a multipolar model, China's short-term development achievements provide the basis for reform in the area of development assistance and the possibility that China can further increase its international influence by helping developing countries to...

Innovation enterprise is an important component in the economic system of China, making indelible contribution for the flourishing and prosperity of economy of China. After a long-term development and improvement in many developed countries, the company major risk identification system has formulated...

This paper has picked cloud storage services provided by 5 cloud providers that the users are familiar with, investigated, added up and analyzed their 12 service indicators and eventually come up with the total scores and ranking of the service quality for cloud storage. It has creatively come up with...

Tortoise shell is the dry breastplate and carapace of the testudinidae animal turtle [Chinemys reevesii (Gray)]. Traditional identification methods can't meet the requirements of quality control of Tortoise shell market. We developed a detection kit for Tortoise shell DNA and to investigate the kit's...

The course of outdoor sports is one of the important curriculums of physical education department and specialty, which has strong practical characteristics. Taking the outdoor sports talents training of physical education specialty of China University of Geosciences (Wuhan) as the research object, this...

A novel approach was developed to synthesize polymerizable vinyl group functionalized Fe3O4 nanoparticles with high aqueous dispersion stability. Firstly, the Fe3O4 nanoparticles were synthesized via chemical co-precipitation method. Then, azide-functional Fe3O4 nanoparticles were obtained by a two-step...

In this study, optical microscope (OM), tensile test, X-ray diffraction(XRD) method were used to investigate the effect of hot rolling parameters on texture and tensile properties of X65MO offshore pipeline steel. Result of microstructure observation reveals that the anisotropy of mechanical properties...

When the enterprise received the service request from the customer, firstly it will collect the maintenance services at the same time for generating the task list, and then match the right person to perform the task to meet custom needs. Therefore, it is a key issue for the enterprise how to select maintenance...

Taking the joint-stock commercial banks listed on Shanghai and Shenzhen A-shares Exchanges during 2014-2016 as the study samples, this article provides an empirical study on the relationship between the share structure of state-owned holding bank and corporate performance, in which the particularities...

After DG accessed to distribution network, the structure and operation mode have great changes, larger influence on power system reliability index, so need to adopt a new reliability evaluation model and method, it proposes reliability evaluation model and method of distribution network with distributed...

The human nature serves as the foundation and the direction of higher education management research, and always correlates to higher education management. And its reasonable interpretion is the logistic precondition of the theoretic system construction of overall higher education management. Various...

The existing linear structured light sensor system calibration process to the equipment requirement is high, the calibration process such complicated problems, this paper puts forward a simple calibration method. Use of the most commonly used transit system, back light reflection artificial materials,...

Application-oriented colleges and universities pay attention to the cultivation of application-oriented talents, and the maturity of undergraduate majors can reflect the quality of application-oriented talents trained by this major from the side. In shandong province in this paper, combined with high...

Since the 18th national congress of the communist party of China (CPC), a great upsurge of supply-side reform has been launched in the national economic field, and remarkable achievements have been made. People's happiness has been significantly improved. The idea of supply-side reform is also of reference...

±1100kV Ultra-high Voltage DC Engineering will adopt JL1X/G2A-1520/125-481 large-section aluminum twisted line of steel core, 1520 mm2 large-section aluminum twisted line of steel core is of four-layer structure and has the same aluminum strand layers of 900 mm2 and 1000 mm2 large-section aluminum twisted...

Purpose Objective to assess the practical value of group counseling in student mobile phone addiction. Method Selecting 12 typical mobile phone dependent students through "mobile phone dependency index scale", dividing into the experimental group and the control group. After 10 times group counseling,...

For the low system efficiency of RFID anti-collision Q algorithm which was proposed by ECP-C1G2, we propose an enhanced Q algorithm that embeds BS(Binary Splitting) algorithm into Q algorithm. The collision tags will be identified by BS algorithm in the process of Q Algorithm. Simulation results show...

According to different environment around the high voltage transmission lines, the analysis of image charac-teristics under different environment, different environment image segmentation method applied to image feature extraction method and edge of image, and compare the effect of two kinds of methods,...

Well-defined PEGylated zwitterionic triblock copolymer, poly(ethylene glycol)-b-poly¬¬¬¬(methacrylic acid)-b-poly(2-aminoethyl methacrylate) (PEG-b-PMAA-b -PAEMA), was prepar¬e¬d from poly(ethylene glycol)-b-poly(tert-butyl meth acrylate) -b-poly(N-(tert-butoxycarbonyl)¬¬¬¬ amino ethyl methacrylate)(PEG-b-PtBocMA-b-PtBoc...

Global Navigation Satellite System is the most important infrastructure to compass the way nowadays and in the future, and the carrier smoothing code method is usually used to improve the accuracy of the position. However, there will be a great influence on satellite navigation and positioning with abnormal...

with the increasingly growing environmental crisis represented by haze in recent years, China is bearing more and more pressure on reducing fossil energy consumption and emission of greenhouse gas. The reform on green tax system represented by environmental taxes is not only imperative to speed up the...

In the education and teaching of linguistics, psychology, literature, history and other related fields, teachers and students usually analyze the psychology and image of characters by studying the historical background and the author’s life experience. Given the limited language text data available for...

Task-based Language Teaching (TBLT) takes foreign language teaching as the process of fulfilling the communication tasks. It employs tasks to organize classroom teaching and makes the learners deploy their existing language resources to perceive and apply the target language during the process of doing...

In the rapid developing of the network technology in China presently, online shopping has become a major favored shopping approach by most people, even has evolved into a new way of life. The headword in online advertising is not only to tell shopping information to the consumer, but also to let the...

After the big exploiting Strategy of Western China, Western China have made a speeding economy increase higher than Eastern China. Some scholars think few listed companies make a great role in the process, which also decide the future of Western China because of its’ competitiveness. We select 90 samples...

Human noroviruses (HuNoVs) are the major cause to acute nonbacterial gastroenteritis outbreaks. The receptors of HuNoVs are difficult to identify because HuNoVs cannot be easily cultivated in vitro and they lack effective animal models. To develop an effective method for mining functional viral receptors,...

With the rapid development of global economy, environmental problems are becoming more and more prominent. In order to effectively control the environment, green economy, green finance, green bonds and other issues have also attracted widespread attention, the green revolution of finance is quietly emerging....

National data security is playing an increasingly important role in the development of a country. Nowadays, it’s universally acknowledged that cooperation should be strengthened in the international arena to safeguard international data sovereignty security. Transnational applications will inevitably...

With the rapid growth of urban load and the increase of cable rates in urban distribution network, the shortcomings of traditional neutral point grounding are more and more obvious, which lead to the application of resistance grounding. Considering the technical and economic factors, this paper presents...

Transmission line icing is a serious threat to the security of power system. Risk evaluation for icing is the foundation of building ice disaster defense system and ensuring the safety of power system. In this paper, the index system of transmission line icing risk assessment was developed in consideration...

With the popularity of electric vehicles, a large number of charging stations connected to the grid, will bring large impact for the power, voltage and current of grid. This paper based on several scenarios of charging modes, such as plug and charge, night charging and intelligent charging, the corresponding...

First, the research on China-US economic and trade relations is to compare the economic development between China and the United States and conduct an in-depth analysis, so as to predict the future development trend of China and the United States and offer corresponding reference value to China’s foreign...

With the continuous development of the national economy, people's demand for electricity is increasing day by day, and the power industry plays an increasingly important role in the social development. Power demand forecasting is the basic work of power management, planning, programming and other management...

The Food Chemistry course is a very important discipline platform course for food majors under the background of applied technology transformation. This paper discusses the reform and exploration of the Internet plus Food Chemistry course from research objectives and research content.

The charge-to-mass ratio of the electron is an important parameter in physics. There are many methods to calculate it, such as the Thompson method, Filter method, Magnetic focusing method, Zeeman Effect method, etc. This paper concentrates on the comparison and analysis of magnetic focusing method and...

The research on the evaluation method of photovoltaic power generation project will help to find and correct the problems in the process of project evaluation, and promote the healthy development of photovoltaic power generation industry in china. This paper takes a photovoltaic power generation project...

For better cultivating the comprehensive quality of students, this paper takes the perspective of the second classroom and combines various data of students' indicators, to explore and analyze, so as to better promote the development of higher education in our country. In this paper, a data set...

This paper discussed the structure composition and connection mode of composite cross arm, By tightened the vibration, redesigned the tower head structure of cup-tower, cathead tower and Upper Shape Tower using composite cross arm, the corridor width decreased by 3.2m and 3m-3.6m, Effectively solved...

Under the background of deepening educational reforms, college English teachers must have awareness updating their teaching concept. POA is a Chinese foreign language teaching theory that combines both local characteristics and international perspectives. This paper introduces the principles of POA,...

This paper designs a low-temperature environment modular remote monitoring system. Through the host computer the system can achieve a variety of information configuration, history query, curve report printing and a series of functions. In this paper, the background of system design is introduced, and...