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To contact constraints model of soft finger, replacing paired friction cones by linear paired polyhedral, so as to realize the linearization of contact constraints model. The linear constraints inequalities of grasping forces is derived, and the objective function of the smallest sum of output torque...

This article aims to examine and compare the essential effects of quantitative easing policies in the United States on bank lending. First of all, the paper examines the overall credit scale from a macro perspective, but different results were presented before and after the quantitative easing policy...

To reveal the factors impacting investors’ perception of risk in stock market, this paper studied the performance of stocks with different corporate transparency under the shock of a futures hedging contingency. Through big data mining and further analysis, including crawling down announcements of listed...

A sample of 312 individuals (residents and tourists) in Macao was investigated by completing a survey assessing their gambling expectancy and the gambling intention. The Smallest Space Analysis (SSA) was adopted as the confirmatory factor analysis (CFA) to validate the Chinese version of gambling expectancy...

A gas pressure control instrument for air-assisted extrusion has been manufactured by us. The principle, hardware connection and software design of this controller are introduced in this paper. The PLC micro controller is assembled in hard connection with pressure sensor and control valve. The 24V power...

The construction of smart cities is an inevitable path for urban transformation and upgrading, holding significant practical and theoretical importance in research on smart city development pathways. Constructed upon the perspective of the push-pull theory, this paper establishes an analytical framework...

In standard runoff plots with 10° and 15° slope croplands in purple soil areas, the paper studies influences of plant hedge on slope water and soil loss for slope croplands in purple soil areas under the natural rainfall conditions comprehensively and analyzes control actions of plant hedge’s intervals...

In engineering application a quantitative description of both fatigue and creep damage mechanisms is demanded for high-temperature alloy. The present work employs the cohesive zone model to numerically simulate the crack propagation in a nickel-based super-alloy. Effect of loading hold period is discussed....

Synthetic aperture radar (synthetic aperture radar, SAR) use a two-dimensional matched filter to improve the signal to noise ratio but the signal-to-noise ratio (SNR) gain of synthetic aperture radar (SAR) is controversial. The traditional method analyzes the SAR signal-to-noise ratio based on pulse...

The monolayer MoS2 thin film was deposited directly on quartz substrate by chemical vapor deposition (CVD) approach using MoO3 and sulfur powders as reactants. Raman spectroscopic and photoluminescence (PL) spectroscopic analyses were conducted to evaluate the structural and optical property of the grown...

Hongyuan Coal Mine belongs to low gas permeability coal seam, its permeability coefficient is lower than 0.1m2/(MPa•d), so the gas extraction will be difficult to do and the efficiency of extraction will be low, underground gas extraction has been using polyurethane to seal hole and this method exits...

Affected by various factors, the result of shunt capacitor of breaker dielectric loss measurement is easily misjudged. In order to avoid misjudgment, this paper analyzes the common three kinds of influence factors: interference signals in the site, Cardon effect and air humidity. Three methods were proposed...

Ground stress is the most primary stress in earth's crust and not disturbed by engineering. In underground engineering, the fundamental cause of the deformation of surrounding rock is the influence of ground stress after the roadway excavation. Ground stress testing can provide basic design parameters...

Based on the method of nonlinear finite element, the dynamic response characteristics and fatigue life of soft rock at the bottom of the typical cross section of high speed railway are studied. The research result shows that the peak dynamic stress of the soft rock increases nonlinearly with the increase...

Objectives: We aimed to investigate the association between isolated systolic hypertension (ISH) and central blood pressure (BP) in a nationally representative population. Methods: A total of 2029 adults without anti-hypertensive medicine, aged ≥19 years old participated in the 2013–2016 National Nutrition...

In contemporary consumer societies, consumption has transcended mere material exchange to become a vital avenue for individual identity construction and psychological compensation. This paper centres on the concept of ‘identity threat and compensatory consumption’, systematically reviewing recent research...

Since the transmission efficiency and the transmission power of the existing resonant wireless power transmission (WPT) system with a single transmitter were lower, a compact resonant WPT system with dual transmitters was studied. There was a close coupling relationship between the dual transmitters...

Against the backdrop of the prosperity of Chinese online literature and its film and television adaptations, this study explores the transformations of the scholar image in contemporary Chinese popular culture and embeds the image in the context of the landscape of digital media. It compares the image...

In this paper, we present a controller design on mini aircraft with four rotors from its theory to implementation. The dynamic model is gained by means of Large-scale transformation Algorithm of Quaternion to Euler Angle. We apply Cortex-M4 inner core microcomputer as a processor; get angle information...

The arrival of the digital modernization era has brought a new paradigm of digital humanities research to the humanities, and the integration of digital data, the construction of corpus and the combination of computer analysis and processing have become an important part of digital humanities research....

At present, the decentralized control was adopted at the terminal of the central air conditioning system so that cluster management couldn't be achieved. Taking into account such as different user had different management level and unreasonable, unscientific control methods which leaded to great waste...

In the e-commerce environment, some current situations still exist in the development of China’s tourism, such as the single marketing tool, the unclear direction of development in the tourist websites, the low level of personalized products, imperfect legal system and payment platform, delayed information...

With the help of software ANSYS, a finite element analysis model was established for the three-directional prestressed concrete aqueduct in South-to-North Water Transfer Project. The effect of the prestress value of steel tendon on the stress of aqueduct body was studied, and the stress states of aqueduct...

With the development of electric power communication network, SDN is gradually introduced in the next generation electric power communication network. The application of SDN in power data center is analyzed, and architecture of power data center based on SDN is provided, finally two ways of evolving...

The eigen-solutions of the crack tip fields for an anti-plane crack in functionally graded piezoelectric materials (FGPMs) are studied. Different from previous analyses, all material properties of the FGPM are assumed to be power-law function of y perpendicular to the crack. The crack surfaces are electrically...

The results of MLA automated quantitative mineralogy system indicated the uranium ore used in this study was mainly composed of pitchblende (0.47%), quartz (64.91%), fluorite (2.18%) and pyrite (0.44%). The existence of fluorine-containing minerals plays a strong inhibition role of bacterial activity...

It poses high requirements for the calculation speed and the precision of the solving method when we consider the large-scale transmission expansion planning (TEP) problems. Therefore, combined with the respective characteristics of EDA (Distribution of Estimation Algorithm) and DE (Differential Evolution...

Business English Letter Writing is a course for Business English and International Trade majors requiring the integration of theory and practice. Despite of substantial teaching reforms conducted, there are still large room for improvement. This paper analyzes the application of Production-Oriented Approach,...

According to the HSV color space characteristics , changes the modeling space in the process of Gaussian mixture model, based on the setting of each component, deals with shadow casted by using the Gaussian mixture model algorithm detecting the moving objects. Morphological operators are used to compensate...

The American "open door" policy is in the case of a crisis to dismember China, the crisis by Russia provoke, so "open door" directed against the invasion of China, Russia and curb the invasion of Russia, China to avoid the fate of the mapped. Then, the Japanese aggression began to swell, control of Manchuria...

Researches about the separation process of valuable metals for nickel-cobalt ore bio-leaching solution had already been continuously studied, while studies about its thermodynamic properties has not been carries out. This paper conducted research about thermodynamic properties including conductivity,...

In this paper, we propose a feature-weighted mountain clustering method. The proposed method can work well when there are noisy feature variables and could be useful for obtaining initial estimat of cluster centers for other clustering algorithms. Results from color image segmentation illustrate the...

The results of MLA automated quantitative mineralogy system indicated the uranium ore used in this study was mainly composed by pitchblende (0.467%), quartz (64.911%), fluorite (2.177%) and pyrite (0.436%). High content fluorite and low content pyrite mineral were unfavorable for extracting of uranium...

With the rise of green logistics and the continuous development of urban transportation networks, in order to solve the problems of high carbon emissions and low satisfaction of delivery personnel in logistics distribution. This article focuses on the optimization problem of green logistics distribution...

The soft soil foundation is widely distributed in our country, with the features of high moisture content, high compressibility, low strength and poor water permeability, among which the geological condition of alternate soft and hard soil layers is also common, and the constructions built on such foundation...

Commercial cutting tools of sintered high speed steel and carbide were used to heavy milling 6N01-T5 aluminum thin-walled hollow W-shape structures under four kinds of cooling conditions. The results showed that the cutting forces increased dramatically when cutting the weld seam or the intersectant...

This paper uses the principle and method of simplifying the urban waterlogging model to set up a model of waterlogging problem in a horizontal bridge of Changchun. This model is combined with the precipitation data from 1950 to 2010 in Changchun City, and the probability of waterlogging risk at the bottom...

This paper adopted the dynamic inclined plan (DIP) oil skimmer. The monitoring system composed of oil skimmer and workstation. The workstation on the vessel monitored the oil sump tank’s oil level in real-time. And the MCU,controlled the oil pump to suck spilled oil. In the system’s design, data transmission...

In a dual-drum shearer, the drum's height is mainly adjusted by a height-adjustment hydraulic system. However, the hydraulic system is prone to failures, since oil is likely to leak induced by the abrasions of key parts. In the present work, based on the analysis of system failures and the requirements...

According to the application of ultrasonic in wind speed, flow and liquid level measurement, a method about distinguishing ultrasonic signal waveform starting point was introduced. The high-powered DSP chip was chosen as the system's processor. The IIR band-pass digital filter was designed to eliminate...

For the main problems in practical applications of the impeller (key part of the large-scale centrifugal compressor), based on the product integrated design theory, the design quality model of the impeller overall considered its structural performance and manufacturing performance is built, and the viewable...

The research utilizes the “Production-Oriented Approach” developed by Professor Qiufang Wen as the theoretical framework. Utilizing the online resources of “Practical University English Speaking” on the “Cool Learning Liaoning” top-quality course platform, it employs a blended learning model that combines...

The stepwise extractions of corn cob were carried out with petroleum ether and acetone, respectively. The extracts were detected by FTIR. The results show that The dissolution law of organic matter in two solvents is similar. In the fourth extract, the content of the substance was relatively weak and...

In the process of Chinas urbanization, the integration of farmers citizenization has always attracted much attention. In the new era, there is an inherent consistency between high quality employment of young farmers and the goal of common prosperity for all the people. Compared with the first and second...

People clothing is constantly changing with the times, including clothing styles, fabrics, colors and so on. Costume designer to meet the new demands of modern people, their design has also done a lot of bold innovation and exploration. Stitching design as an important part of fashion design, fashion...

The deformation of blades effected by gust would endanger the safety of wind turbine. Based on blades elastic deformation theory ,We established a model of blades rotation transient response ,studied the characteristics of blades transient response effected by gust, and confirmed the procedure of blades...

Some retailers take advantage of consumers’ channel switching behaviour to engage in opportunistic behaviour. As the phenomenon of channel members engaging in opportunistic behaviour becomes more prevalent, it is increasingly important to understand the underlying mechanisms of channel members’ opportunistic...

According to wet clutch friction temperature is too high, excessive thermal stress, and other issues during the engagement. It adopted ANSYS workbench software for finite element analysis and introduced direct coupling method to complete simulated calculation and analysed of the temperature field and...

The intangible cultural heritage of sports carries the cultural memory of human beings. It is of great significance for the construction and development of China's sports intangible cultural heritage and the enhancement of national cultural soft power. However, with the changes of the natural environment...

Objective:To purify and characterize the allergen extracted from fresh Amaranthus stamen. Methods:Extraction of fresh Amaranthus stamen was prepared and analyzed by SDS-PAGE. The protein bands were visualized by staining the gel with Coomassis blue and analyzed by Western-blotting with serum from allergic...