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As China’s international influence increases, the influence of the renminbi in the international currency market is increasing. Some scholars have confirmed that to a certain extent there is a linkage between exchange rates and stock prices, but the relationship between exchange rates and the real estate...

This research involves a history teacher at a high school in Manado city who already has an Educator Certificate, with a focus on research problems related to how the efforts of teachers to carry out their roles and functions in history learning during the last two years during the Covid 19 Pandemic....

The article deals with the stress-strain state of layered composite of rectangular section under tension by distributed uniform normal load q. Interaction between layers is accomplished by the contact layer in which is mixed the substances of adhesive and the substrate.

The q-rung orthopair fuzzy set (qROFS) defined by Yager is a generalization of Atanassov intuitionistic fuzzy set (IFS) and Pythagorean fuzzy sets (PyFSs). In this paper, we define the knowledge measure for qROFS by using the cosine inverse function. The information precision and information content...

Digital nucleic acid amplification and determination has become an attractive technique by its capable of high sensitivity and precision. With the development of microfluidic technique, this method becomes much easier to perform, with less sample requirement and cross contamination. The dynamic range...

This paper designs a low-cost embedded GPS/INS integrated navigation module ,using STM32 as control processing unit and the micro inertial measurement unit (MPU6050) as the sensor and GPS receiver. The GPS receiver is easily to be derived of navigation function because of the lock-loss when vehicles...

As a modification of the q-rung orthopair fuzzy sets (QROFSs), complex QROFSs (CQROFSs) can describe the inaccurate information by complex-valued truth grades with an additional term, named as phase term. Cosine similarity measures (CSMs) and distance measures (DMs) are important tools to verify the...

Under the influence of the socio-economic system, financial development and rising house prices are no longer two separate issues. For a specific regional environment, financial development will, to a certain extent, suppress the rising trend of house prices and contribute to the stable development of...

TSZ-6A type strain control triaxial compression apparatus is applied for indoor test of some soil samples in Gansu Longdong (Qingyang) loess landslide, unconfined shear test of undisturbed soil samples, and the loading and unloading test of loess remodeling. The influences of different moisture content...

Based on Homogeneous Equilibrium Model combined with full cavitation model, the cavitation flow inside a single-hole diesel nozzle is simulated. In order to analyse the effect of the fuel temperature increase on the characteristics of the internal cavitating flow, the inception and development of cavitation...

This paper mainly analyzes the control strategy of multivariable control system via state feedback decoupling control and coordinated control strategy, these three aspects of the simulation, simulated furnace with machine and machine with furnace control strategy, and comparative analysis. then we make...

According to the characteristics of double fed asynchronous generator rotor energy flow, research and design based on the DSP control with two-way flow of energy function of Dual PWM converter and discusses the grid side converter control method of Dual PWM converter in particular. The wind turbine simulation...

In order to further investigate the intelligent optimization of particle swarm optimization (pso) algorithm, we carried on the design experiments in this paper, the particle swarm optimization (pso) algorithm, the position of the first set search point X0i and speed V0i initialization;Then evaluate each...

Global illumination rendering is one of the pivotal techniques necessitated by 3D scenes' simulating; thus the quality of global illumination renderer would significantly affect the reality of such a simulation. Based on ray tracing, one of the major algorithms which aim to achieve great and realistic...

Method of life cycle assessment (LCA) was applied to compare the environmental impacts of biological filter process and SBR process in two wastewater treatment plants which effluent quality reach to the same standard. Nine types of environmental impacts were constructed by using Gabi 5.0 software. After...

There is a great significance to analyze carbon footprint of iron-making process and to reduce its environmental impact since iron-making enterprises generate massive greenhouse gas. In this paper, the environmental impact type referred to Global Warming Potential was applied to analyze the carbon footprint...

To solve the channel selection issue in opportunistic spectrum access, a new Q-Learning based algorithm for channel selection is proposed. The algorithm can lead secondary user to select channels with maximum cumulative reward, and maximize secondary user throughput. A Boltzmann learning rule is adopted...

With respect to the planning problems of electric vehicle charging stations in the urban area, the paper presents a planning model which considers the road network structure, vehicle flow information, distribution system structure and capacity constraints, etc. Under the relative constraints of distribution...

As a refractory metal, zirconium has a wide range of applications in many fields. The method of electrode position to produce metal zirconium is more available, it is important to study the behavior of zirconium in the molten salt. The electrochemical reaction mechanism and electrocrystallization process...

This paper describes an index-system to measure the success of smart growth of a city. Smart Growth Theory has the three-E's goal of Economic prosperity, social Equity and Environmental sustainability and ten principles concerning sustainable development. Firstly, I refered to a large number of reference...

In this paper, we investigate an acoustic transmission technology in Production Logging, The subsurface equipment has be installed during pump operation, the logging tools and transmission system Installed in the bottom of the pump and into the wellbore together. Raw log datas are transformed into regular...

The electrochemical reaction mechanism and electro crystallization process of hafnium in the NaCl-KCl-NaF-HfO2 molten salt were examined at 973K by means of cyclic voltammetry, chronopotentiometry, and chronoamperometry techniques. The results show that the electrochemical reduction mechanism of hafnium...

This research discusses the development strategy of Amazon based on the acquisition of MGM in 2021. Using quantitative data-table and industrial reports as main researching methods, the research finds that the effect of COVID-19 and some problems in administration after merging with MGM are all the challenges...

The business tax is a kind of tax collected by total business turnover derived from the provision of taxable services, the transfer of intangible assets and the sale of immovable property in China, while the value-added tax (VAT) is a kind of turnover tax levied on the increase in the value of goods...

From the historical data of “the bed scour by hyper-concentrated flow” flood the whole sediment and middle size coarse sediment discharge ratio of SanMenxiareservoir is smaller in the stage of flood detention and open discharge. The flood peak is inharmonious with the sediment peak and the carrying capacity...

A graph is symmetric or arc-transitive if its automorphism group acts transitively on vertices, edges and arcs. Let p, q be odd primes with p, q 5 and X a q-valent symmetric graph of order 4p. In this paper, we proved that X K4p with 4p-1=q, X K2p,2p-2pK2 with 2p-1=q, the quotient graph of X is isomorphic...

The body is surrounded by the surface. These surfaces include parallel plane, vertical plane, oblique plane.The projection feature of Vertical planeis "a slash, two similar shape", the looking and drawing of the similar shape is difficult to understand and easy to make mistakes. This article analyzes...

Picosecond laser was employed to drill through holes on alloy of GH2132 by helical technique.The effects of repetition rate and processing time on the qualities of through holes were investigated.Morphology of holes of irradiated areas were analyzed by scanning electron microscope(SEM).The results indicated...

With the development of Chinese economy, China express industry comes to enjoy a boom. Due to the E-commerce, the traditional China Post can’t meet the needs of all the customers’ needs. However, Chinese private express which is comparatively in a small scaled has faced many problems. This paper analyzes...

As a new protection, wide-area protection enables protective relaying, and automatic control based on electric power system network communications and comprehensive judgment of multi-point information, which plays an increasingly important role in the secure and stable operation of electric power system....

Preschool children aged 3–5 interact with audiovisual programs due to their unique cognitive traits. At present, there are many problems in the production of audio-visual programs for preschool children in China: the content of the programs is “overage”, the quantity is relatively small, and the form...

Garlic is a popular crop planted widely around the world, but garlic planting is a heavy work. This paper proposed an automatic machine which can achieve the automation of garlic planting. Based on the study of the main structure of the machine, the connection and transmission relationship of the machine...

The similar sentences in multi-document set are combined into one class, and each class is one sub-topic. Describing the sub-topics from the perspective of understanding makes the multi-document summarization become the one with greater coverage and less redundancy. This paper presents a sub-topic segmentation...

The rapid expansion of internet-connected devices and IoT infrastructures has significantly increased the scale and sophistication of botnet attacks, making them a major threat to modern digital environments. Traditional signature-based and heuristic detection systems struggle to identify evolving, stealthy,...

This study aims to explore the psychological factors model of female addicts from their subjective perspective through qualitative interviews. A semi-structured in-depth interview of 10 female drug addicts is conducted by using self-made open-ended questions, and the data were analyzed by grounded theory...

Indonesia has many small islands that save the beauty of its beaches and underwater life. One of these islands is Bawean Island. Currently, tourism in Bawean is starting to grow. The trend of increasing tourist visits has made people in Bawean begin to develop the tourism potential that exists in their...

Agricultural talent education is a characteristic of the current development of agricultural modernization in China, and it is the core mode of agricultural economy that combines emerging digital technology with the agricultural production. Modern agricultural talents are the key to supporting the development...

Difference equations is a kind of powerful tool to investigate the rule of natural phenomena, such as, physical problems arising in a wide variety of applications. In this paper, we discuss solutions of a class of fourth order difference equation with variable coefficient using the backward differences...

Aluminum-bronze was surfacing on low carbon steel in different surfacing conditions by using reverse polarity weak plasma arc. The microstructure of surfacing layer has been studied by means of optical metallograghy and X-ray diffraction. The behavior of electrochemical corrosion in PH=8.0, 3.5% NaCl...

Electric power is the main energy of enterprise production and motivation of the social development. The reliable and safety power supply is quite significant to guarantee the continuity of enterprise production, improvement of the economic efficiency and other aspects of safety production . Currently,...

In this paper, Applying the theory of Nevanlinna, we investigated uniqueness problem of difference polynomial of meromorphic functions and obtained uniqueness theorems of meromorphic functions , which Extended and improved the results of literature[5].

To evaluate the risk system of power communication transmission network (PCTN) scientifically, this paper puts forward an improved k-means clustering algorithm in allusion to the issue of the power device risk value in the PCNT. Both the rating of the device status and the importance of the device determine...

The construction phase plays an important role in the project life cycle, consuming a lot of natural resources. The development of green construction is significant to develop sustainably by saving natural resource and protecting the environment, and its evaluation makes it possible to implement the...

The inverted pendulum is a multivariable, rapid, nonlinear unstable system. LQR optimal control is often used in inverted pendulum control for its good stability. According to optimal determination problem of the weighting matrix Q and R in LQR, an improved hybrid genetic algorithm is adopted in LQR...

Drug dust is often produced in pharmaceutical workshop process such as ingredients, grinding, granulating, packaging and tablet. Due to the chaotic spread of dust, workers' health and the safety of the surrounding environment are affected. When the dust concentration reaches a certain value burning explosion...

The move toward cloud-provided-software-as-a-service (SaaS) key management systems (KMS) introduces new, pressing security threats of quantum computing. The novelty of this work is to hybrid combine CRYSTALS-Kyber, NIST standardised, and Dilithium algorithm both for key encapsulation and digital signature...

The term ‘risk’ has been used in many different applications. The notion of the risk society has attracted considerable attention within the academic literature. Kinds of risk management paradigm are introduced by scholars. Different paradigm is focus on different type of risk. All paradigms have the...

The impact of adverse childhood experiences (ACEs) is known to be connected to various delinquent behavior throughout one’s lifetime. Several studies have shown victims of childhood trauma to have alcohol and substance abuse as well. However, due to past studies being focused on certain at-risk traits,...

The notions of complex q-rung orthopair fuzzy sets (Cq-ROFSs) and linguistic sets (LSs) are two different concepts to deal with uncertain information in multi-attribute group decision-making (MAGDM) problems. The Heronain mean (HM) and geometric Heronain mean (GHM) operators are an effective tool used...

The education authorities in Huzhou adopted oral English sampling test among the sixth graders in order to examine the students’ oral English ability. Based on the washback theory, the present study explores the impact of oral English sampling test on primary school English teaching and learning by employing...