Search all articles

With the development of CAD/CAM technology, the key to CAD/CAM integration consists in constructing a common product model. In the paper, shaft parts are taken as research objects. Interactive feature-based modeling method is adopted to avoid complex algorithms for feature recognition. The functional...

The goal of this study was to develop a flipped learning student engagement scale for college students. There were 450 college students who took part. A comprehensive review of the literature and interviews were done in order to design the scale’s items. With a total of 21 items, four components were...

The problem of cadmium pollution in the soil of non-ferrous smelting sites needs to be solved urgently. This study investigated the remediation of cadmium pollution in non-ferrous smelting sites using sulphate-reducing bacteria (SRB). The results showed that the leachate concentration of soil cadmium...

Dynamic facility layout problem (DFLP) is to arrange departments within a planar for multiple periods where the material flows between departments may change due to the varying of market demands, with the objective of minimizing the sum of total material handling cost and rearrangement cost. This paper...

Distribution feeders are sometimes damaged heavily by typhoon every year in the coastal region. A finite element model of a standard feeder is established by ABAQUS/CAE firstly. Then the deformation under different wind speeds after the wind loading is applied by equivalent inertial acceleration. The...

Objective To explore the application and effect of physical training in college students’ physical fitness improvement. Methods: The impact of physical fitness training and traditional physical education on the physical health of college students was analyzed by comparison. The experiment...

Architectural discipline construction in common colleges and universities is restricted by the multiple leadership of many departments, and is confined to the thinking and inertia of imitating famous colleges. It has been in a predicament. The reasons are analyzed, and the countermeasures with the cultivation...

From ancient times till now, there have been abundant findings from translation research in China, for instance, Yan Fu's "faithfulness, expressiveness and elegance", Lu Xun's "Rather be faithful than smooth". The Chinese translation theories in the last century laid too much emphasis on literary translation....

The three-phase rectifier that adopted one-cycle control technique used in the aircraft is introduced in this paper. The One Cycle Control (OCC) principle and the operation principle of the rectifier are presented. The double loop control is adopted in this paper. According to the mathematical model...

Wireless sensor network may encounter eavesdropping, message modification, message injection, route spoofing, denial of service, malicious code threats. This paper discusses the application of Elliptic Curve Cryptography in security in wireless sensor networks, discusses a wireless authentication and...

In this paper, the plant landscape evaluation system for Mausoleum Park has been established with 23 evaluation indicators which were categorized by questionnaire investigation. Analytic hierarchy process (AHP) was used to figure out the significance ranking. For norm hierarchy, ecological value is prior...

According to the combination of lower extremity rehabilitative robot(LERR) and trainer, the effects of multi-point driving form and single point driving form on muscle force and joint torque are explored. The musculoskeletal model of lower limbs was established, based on the physiological structure of...

With the advent of the digital era, the management and conservation of natural resources face new challenges and opportunities. This paper aims to delve into the information technology innovation path of natural resources, exploring its key directions and applications in the context of the digital era....

It is well known that the introduction of BT mode in construction of public infrastructure can reduce financial pressure of government public organization greatly but it might make the public be exposed to the debt risks The key of resolving this problem is to control the investment in BT project effectively...

Voice could be utilized as an effective method to improve organizational effectiveness. However, employees will hesitate to speak out because of possible adverse outcomes. This study explores the relationship between the employee voice and performance evaluation rated by their superiors. The paper posits...

This paper combines the advantages of the finite element method and lumped parameters to build the dynamic model of gear system. The gear is regarded as concentrated mass while the axis is considered as an elastic beam element and the quality of the bearing unit is ignored. Each element is assembled...

With the gradual rise of the Internet financial industry, the incidence of fraud on university campus is higher and higher. This paper analyzes the current situation of financial frauds among college students on campus through the literature research method, and finds that there are problems such as...

This paper studies the problem of whether the product design framework is modular or integrated when the durable goods are sequential innovation and manufacturers adopt the trade-in policy. It is assumed that consumer preferences for product quality are uniformly heterogeneous. Whether modular or integrated,...

N-nitrosamines (NAs) are harmful substances which have been detected in meat products. In this study, four NAs namely nnitrosodimethylamine (NDMA), n-nituosomethylethylamine (NMEA), n-nitrosodiethylamine (NDEA) and n-nitrosopoperdine (NPIP) was determined in the process of Chinese preserved meat. GC-MS...

This paper studies the application of flipped classroom teaching mode in higher vocational English teaching. The experimental results show that: In flipped classroom teaching mode, students' English learning achievements have been improved significantly, the students' humanistic quality has been improved...

Talent training is considered one of the most important in this scenario that is beneficial for enhancing the competitive advantage of students and teaching staff. Good cooperation between universities and enterprises can increase learning and thinking ability to face increasingly severe employment pressure...

Against the backdrop of the global technological revolution, traditional electrical and electronic technology teaching faces problems such as the disconnection between theory and practice, insufficient cultivation of innovative capabilities, and inefficient evaluation systems. This study proposes the...

Exploring the new teaching model of Genetic Engineering can enhance the teaching quality and ultimately cultivate innovative “Emerging Engineering” talents for biopharmacy major. Through introducing frontier scientific research progress to optimize course contents based on classic textbook, using modern...

. The black humor in American literature received extensive attention of scholars and writers. Because its unique artistic characteristics and artistic charm make it not only become a huge development in the literature, also make readers rethink from the perspective of social and historical reflection...

Different energy systems were developed on the basis of the major equipment of distributed energy systems (DES). According to the demand of loads, energy prices, and technical and financial information about optional technologies, using non-linear programming, an optimization model for DES was established....

The partial demagnetization of surface-mounted permanent magnets of PMSM in the three phase symmetrical short circuit of different temperature is analyzed by the finite element method. Then, rules of the back EMF and flux change in different extent of demagnetization are summarized. Finally, the operation...

The multimode interference (MMI) couplers, which operate at 1.55 microns in deep rib InGaAsP/ InP waveguide with large lateral confinement and tunable power splitting ratios, are of high interest in integrated optics. The gold contacts are applied on the top of waveguides where tuning is desired and...

Aircraft aluminum alloy is easy to initiate pitting corrosion in the airport environment, and the pitting corrosion topography characteristics could directly affect the fatigue mechanical property of aluminum alloy structure. In order to obtain the pitting corrosion characteristics of 7B04 aluminum alloy...

Since the outbreak of the epidemic, masks have effectively prevented the spread of viruses and other diseases. The main components of disposable masks we use are polypropylene and polyethylene. Abandoned masks can have serious impacts on society, the environment, and humanity. With the normalization...

Total control of energy consumption and energy structure optimization, the process of China's economic development has become a major task in the current. For it is in Hebei Province, in order to account for the dominant position, the need to comprehensively promote the restructuring and upgrading, to...

The supply chain management based on electronic commerce has gradually become the mainstream management mode of the enterprises. Logistics management is very important in the whole supply chain management. It is the link between suppliers and manufacturers, manufacturers and distributors, vendors and...

Numerical analyses were carried out to investigate the aerodynamic characteristics of clamshell fairing separation at Mach 5 in low altitude atmosphere. A three dimensional numerical model was set up. The flow fields of the closed fairing and condition at the initial opening angle were simulated. Results...

With the development of information technology, information technology has been effectively applied in the development of various industries, which has greatly improved the development effect of various industries. The application of digital technology in modern manual bag design can enhance the level...

Talent resource is the most precious resource, and talent advantage is the most fundamental advantage. Talent management in state-owned enterprises is helpful to accelerate the transformation of “the first resource” of talents into “the first advantage”. Based on the principles of typicality and popularization,...

A simple and facile approach of hypercrosslinking was followed to synthesize hollow microporous polymer microspheres (HMPMs) and later incorporated with the magnetic fluorescent bifunctional nanoparticles (Fe3O4, CdSe/ZnS) following the in-situ co-precipitation and swelling methodology. The morphology...

In order to investigate the simplified design method for damper installed on cable-stayed bridge in near-fault zones, this paper proposed two-particle model for cable-stayed bridge and established the differential equations of motion. Parameter design formula for linear viscous damper is derived based...

This paper gives explicit expressions of generating idempotents of sixth residue codes of length over the binary field, where is a prime with . By computing the greatest common divisors of these generating idempotents and the polynomial with computer software such as Matlab and Maple, one can get the...

In the form of joining e-commerce platforms, an online advance model consisting of a platform Operator and a platform Resident has been established. Considering the influence of consumers’ platform preferences and price discount coefficients on advance pricing and logistics service level decisions under...

To construct a scientific index system of military capital construction financial risk early warning is an important advance to implement financial risk early warning. This paper establishes corresponding indicators from four aspects of project management risk, capital risk, cost control risk and internal...

There is no doubt that the application of information technology in education has brought a huge impact on the traditional teaching. Understanding the characteristics and problems of teaching in the information network era, and deepening the reform of teaching contents and methods, which two are of great...

The intermittent fault of electronic system is often misdiagnosed as a permanent fault, resulting in problems such as unnecessary repeated downtime, excessive repair and a large loss of spare parts, and affecting equipment readiness. Starting from the overall development of intermittent fault for electronic...

Under the mode of SoLoMo, more and more enterprises and merchants spread marketing information through WeChat. At this time, consumers are not only recipients of information, but also distributors of information. However, at present, most enterprises ignore the character of consumer as an information...

Tea health culture tourism combines tea culture industry with tourism industry. It is a very important way for tea industry development and tea culture dissemination. This paper mainly discusses the opportunities and challenges of developing tea culture tourism in Fujian as one of tea villages, as well...

For shorting the shifting time and improving the vehicle acceleration, it is necessary to develop an excellent control strategy of electing and shifting. In this paper we developed the strategy of the electric shifting actuators based on fuzzy PID control and established a fuzzy dual closed-loop PID...

The resources and abilities of the general research results are applied to the informationization of scientific research management, can reveal the essence of informationization of scientific research management, found that the key lies in the cultivation of the scientific research management information...

The corrosion behavior of HT250 which mainly used for automobile chassis materials is introduced in this paper, it was soaked in industrial salt solution and environment-friendly snowmelt agent solution of different concentrations, the relationships of the degree of corrosion on the surface of the cast...

Modbus is a popular network protocol in the industrial manufacturing environment. A modbus communication stack requires two layers:the modbus application protocol which defines the data model and functions and a Network layer. The FreeMODBUS provides an implementation of the modbus application protocol...

The aim of paper is to propose position control of linear induction motor (LIM) taking into account the end effect, external force disturbance and the uncertainties of LIM model by use of an adaptive command-filtered back stepping controller based on q-axis current compensation to improve the dynamic...

Garden is an important part of the space environment, is the practical art of serving the people's daily life, work and learning; at the same time, it plays important role in making people enjoyable and improving people's aesthetic ability. Making clear the design connotation (culture symbol) of Henan...