Search all articles

In order to measure the peak value of the sinusoidal wave more conveniently, we did a full-wave rectification to the sinusoidal wave, then analyzed its frequency spectrum by using Fourier analysis. By researching the relationship between the DC component in the spectrum and the peak voltage, this paper...

The military theory course is very important, and it is a compulsory military basic course offered by regular colleges and universities. In view of the low interest and difficulty of some students, the characteristics of military theory courses are firstly summarized in this paper, and the structure...

Capital is the lifeblood of a company’s survival and development. Companies with lower financing costs are generally more competitive. However, the global pandemic of the new crown pneumonia has increased the uncertainty of economic policies and brought challenges to the financing activities of enterprises....

Good design is not merely about imparting knowledge and skills to students, but rather it aims to generate a more comprehensive and concrete learning experience by being directed towards the objectives and their underlying implications. When designing lessons, units, and courses, we do not derive from...

In purposing of exploring the financial expenditure performance lever of higher vocational institutions in Sichuan Province in 2021 and providing them with relevant proposals on financial expenditure utilization rate, the article applies factor analysis to select 12 categories of relevant indicators...

To explore the influencing factors of corporate investment behavior, this paper takes Haier Group as a case study to analyze the factors affecting its physical investment, financial market investment, and strategic investment. Based on a review of the literature and an analysis of Haier Group’s financial...

According to traditional theory, painting should be the imprint of mind, which serves as a principle to both artists and the audience. Guo Xi, an ancient Master of Landscape painting, sticks to the principle by conveying his mind when drawing the outline of the landscape. Chinese traditional aesthetics...

API hydrological model is common used on streamflow forecasting for its' simple structure and robust ability on acquiring high precision forecasting results. But for a long time, parameter calibration has been the major difficulty for the use of API hydrological model. API model develops from the empirical...

In recent years, China’s exhibition economy has developed rapidly, but in the process of development, there are some problems such as unbalanced supply structure, low supply quality, unbalanced supply and demand and so on. By using the method of literature analysis and system model construction, taking...

The magneto-rheological fluid Dual Clutch Transmission (MDCT for short) adopts the magneto-rheological (MR for short) effect of magneto-rheological fluid (MRF for short) and the working characters of Dual-Clutch Transmission (DCT for short), and combines the characteristics with long service life, no...

Jiangmen City is located in the western Pearl River Delta Marine Economic Zone, east is adjacent to the Xijiang Golden Waterway, west is connected to the coastal economic hinterland of western Guangdong, south is bordered by the South China Sea International Waterway, and north is bordered by Guangfo....

This article describes the communication with no fixed centers of base stations, and the establishment of a multi-level communication network via the wireless module,which enables the communication of data between the control center and the front end of two-way transmission. This project uses TDMA communication...

An airborne strapdown inertial navigation system based on DSP is introduced. The TMS320F28335 and TMS320C6416 DSP chips of TI Company are used as the core components of the system, and the CPLD technique combined with the dual DSP structure of strapdown control and solution are used to realize logic...

In the context of work-integrated learning mode, the reform of college English teaching has been made progress. High affective filter and deficiency of study strategies drive incentive evaluation as an essential condition to attain teaching objectives. To enhance the effect, efforts should be focused...

[Purpose] The formation of kidney stones related closely to the properties of urinary nanocrystallites. This study aimed to investigate the components of urinary crystallites in 56 cases of patients with magnesium ammonium phosphate (MAP) stones compared with the components of stones. [Methods] X-ray...

Currently, most successful network attacks are aimed at a particular target, composed of several attacks at different stages, and the attack is always carried out in a certain sequence, which coincides with the attack kill chain proposed by the US Army. Aiming at the typical multi-step attack type of...

With the overall informatization level of the logistics industry increasing day by day, the logistics data information shows explosive growth. The traditional logistics information management system lacks corresponding processing methods for large-scale, real-time and heterogeneous data information,...

Reasonable and objective geothermal water quality assessment can provide a scientific basis for the development and utilization of geothermal water resources. Based on the chemical data of the Quaternary sediment reservoir (Q) and the Lantian-Bahe Group (LB) in Xi’an, the entropy weighted TOPSIS method...

Financial derivative is one kind of financial instrument with high leverage ratio, high risk and high returns. Therefore, in it important to help investors to adopt appropriate risk control measures to judge the trend of the price change of financial derivatives. The trend of financial derivatives prices...

This paper studies the forecasting algorithm of RMB exchange rate. Firstly, the Complete Ensemble Empirical Mode Decomposition with Adaptive Noise algorithm (CEEMDAN) is used to decompose the exchange rate data into several intrinsic mode functions (IMF). Then the correlation coefficients of each IMF...

The current approach of using ordinary Portland cement (OPC) and gypsum to enhance the sulfate attack resistance of high-belite calcium sulfoaluminate cement (HBCSA)-based materials remains inadequate, thereby limiting the application potential of this composite system in aggressive environments. To...

Local music colleges are a major approach for Chinese local students to learn music knowledge, but some local music colleges gave problems in course setting, which has adverse influence on students majoring in music. Some graduates from music colleges have employment difficulty. The society has high...

Propelling with the reform of applied undergraduate teaching in non-military colleges and universities, innovation for traditional artistic design projects and teaching system is vital. Combined with carrying out the reform of applied undergraduate teaching mode, we analyzed the teaching status of design...

To optimize irrigation and provide a technical guide on agricultural production, the water-saving irrigation meteorological grading indexes of different development stages of maize were built in this paper, based on the principle of farmland water balance, the theories of insufficient irrigation and...

In this study, a mesoscale weather model suitable for precipitation simulation in the Jinshajiang River Basin (the largest hydropower base in China) were firstly investigated. The results show that the WRF model could be used for precipitation simulation and prediction in the Jinshajiang River Basin....

T2 control chart is widely used to monitor the multivariate process for quality improvement.In this paper, economic performance analysis on the SVSSI T2 control chart is studied. Two statuses whether the process is in control or out of control are considered to define the states of Markov Chain. And...

HMAC algorithm is one of the most famous keyed hash functions, and widely utilized. And SM3 is the only standard hash algorithm of China. However, most cryptographic algorithms implementations are vulnerable against side channel attacks. But specific side channel attacks on HMAC-SM3 have not been given...

In this work, a base dye was applied to the dyeing of calcium alginate fiber. The dyeing properties, including dyeing time, pH and temperature, were studied. The results showed that this dye had good affinity to alginate fiber, and the dyeing fastness was also good. This research may provide a new approach...

The whole plant of Plantago depressa is commonly used as traditional Chinese medicine and functional food ingredient. Total phenolic content and total flavonoid content evaluation indicated that its ethyl acetate and n-butanol fractions were rich in polyphenols. However, to date, the polyphenolic profile...

[Purpose] To study the component change of urine crystallites with different sizes in the urines of calcium oxalate (CaOx) calculi patients and healthy controls with placement time. [Methods] A combination of high-resolution transmission electron microscopy (HRTEM), fast Fourier transformation (FFT),...

Effect of agricultural technology extension depends largely on the farmers' participation and acceptance. This paper constructed farmer-participate-to-experience-type agricultural extension method from the participation subjects, objects selection, participation mode, achievements selection, team organization,...

Based on the food cold chain transportation, the problems of food cold chain logistics in our country is expounded. The Internet of things technology system can provide the feasible countermeasures for the food cold chain logistics.

C Language Programming is the first required course of computer basis after students enroll in university. This paper from the teaching objectives, teaching content, teaching methods, practice teaching, and so introduced the course reform. Practices have proved that these good results teaching reform...

Community of complex networks has attracted much attention. For the problem, we propose a local heuristic genetic algorithm (LHGA). Mutation of LHGA is combined with local heuristic function from the perspective of networks dynamics and makes convergence rate of this algorithm expressively improved....

The aim of the paper was to study the effects of Polyphenolic extract from involucres of Castanea mollissima Blume (PICB) on IEC-6 cell proliferation and growth and antioxidant status. The IEC-6 heat stress model was established and IEC-6 cells of control group and heat stress group were treated with...

According to the current situation of physical education in primary and secondary schools, this paper puts forward a new physical education mode, which integrates traditional culture into physical education in primary and secondary schools. This paper analyzes the feasibility of integrating traditional...

As a kind of fluid, the motion of vacuum arc is complicated and various. Its structure and distribution have a significant effect on vacuum interrupters' comprehensive properties. A method to analyze of arc flow field's dynamic feature based on optical flow is proposed aiming at complicated flow field...

Based on the rise of green economy to the national strategic level, the development of green economy has become an important means to improve the social environment, and it is imperative to achieve green and low-carbon development of energy. In this regard, state-owned energy enterprises have carried...

Integrating traditional Chinese culture into college English teaching meets the needs of the times. Incorporating the excellent elements of traditional Chinese culture into college English courses is an important path for the construction of ideological-political education in foreign language courses...

Rapid urban expansion brings social and economic changes, such as increased urban populations and higher standards of living, as well as environmental issues, such as declining air quality and reduced biodiversity. Urbanization is not only the root cause of environmental problems, but also a way to solve...

An anti-bias passive localization algorithm is proposed to solve the problem of single motion platform passive localization based on bearing-only for fixed emitter target when system bias exists. Bearing difference measurements are constructed through analysis of bearings-only measurements. After linear...

Over the past few decades, there has been large-scale land reclamation in the Hangzhou Bay, which inevitably has affected the hydrodynamics in the bay. In this study we set up a 2D hydrodynamic model based on Mike21 Model to investigate the changes of hydrodynamic in the Hangzhou Bay due to large-scale...

The foundation-structure of the building is an important research direction in the field of the geotechnical engineering . The pile foundation is the key research direction in the field of basic research, the pile foundation with its powerful bearing capacity is widely applied in engineering areas ....

In orderto analyze and evaluate the residual deformation of longwall goaf and its effect on new buildings, the stability of building foundation above the old longwall goaf was studied using the FLAC3D software. According to the results of probability integral method, the mechanical parameters of the...

The article presents a comprehensive study of the mechanisms for the formation, implementation and effectiveness evaluation of the resource potential use. The evaluation is based on a multilevel system of indicators taking into account the specified charac-teristics of the corresponding resources. While...

The high-permeability Distributed Generation (DG) was connected to the power grid, so that the state estimation of the active distribution network(ADN) needs to consider the uncertainty of the DG output. In this paper, an interval state estimation method for active distribution network considering the...

This program mainly use the neurons in the main control board and six-axis acceleration sensor belong to Intel based on Arduino called Curie Nano to collect the gesture data. And after extracted the feature of these data, motion data training must be begun, then to recognize the relevant motion such...

By carrying out the “five-one” winter vacation homework as a grasp of the winter vacation theme education practice activities, it makes up for the weaknesses of students’ comprehensive ability effectively, and has a positive impact on College Students’ skills to solve problems and adapt to professional...

To broaden the exploration of the latent value of industry electricity data and offer a novel perspective for socio-economic development and demand side management, this study proposes an innovative model for industry chain characteristic analysis. Initially, an industry electric energy correlation model...

Based on the Environmental Kuznets Curve(EKC)hypothesis, this paper use the method of principal component analysis(PCA)to extract Changsha-Zhuzhou-Xiangtan’s ecological environmental pollution factors. Regression models was taken to verify the interactive effect between Changsha-Zhuzhou-Xiangtan’s economic...