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Grid was an effective tool to reduce scattering radiation to the film. based on observations at Aisyiyah Hospital, the average examination used a moving grid compared to lisholm. In some types of radiological examinations need to be considered in the selection of the grid, because the grid used at high...

Many traditional elderly apartments and other elderly service facilities have problems such as backward hardware facilities, incomplete software services and lack of human resources. With the rapid development of Internet of Things and Internet technology, intelligent design is gradually introduced into...

Corona virus is a group of viruses from the subfamily Orthocronavirinae in the Coronaviridae family and ordo Nidovirales. This group of viruses can cause disease in birds, mammals and humans. The purpose of this study is to explain the efforts to prevent the spread of Covid 19 based on Riau customary...

The amelogenins (Am) constitute about 90% of the enamel matrix proteins and play a critical role in enamel biomineralization. This study aimed to express and characterize recombinant human amelogenin (rAm) protein in the prokaryotic expression system in quantities sufficient for structural and functional...

The cultivation of pragmatic competence plays an important role in English learning. Proficiency in grammar knowledge does not ensure appropriate use of language. Devoid of pragmatic competence will certainly lead to pragmatic failure. Analyzing the pragmatic failures of Chinese English learners, this...

The light is the necessity of life for everybody. When the night comes, it is very inconvenient to turn on the light in the dark. And when the person leaves the house, he often forgets to turn off the lights which will cause huge waste of energy. In view of the lighting control method of classrooms,...

This paper intends to discuss how to make EAP teaching design in an output-driven approach based on blended learning. It firstly made a literature review about the research on EAP both in China and abroad, and then proposed the possible EAP course arrangement according to students' current learning situation....

Airflow field play an important role on the cleaning performance of the air-and-screen cleaning device of the plot harvester, and an unreasonable airflow field can lead to poor cleaning quality. In order to understand the cleaning chamber airflow distribution and improve the cleaning quality of the cleaning...

With Suning Commerce as a typical research object, this paper made a systemic analysis on the stock option incentive plan of Suning Commerce and its implementation effect, to determine the failure causes of the stock option incentive plan. The failure causes mainly include three aspects: first, fixed...

Currently, China's Internet of Things (IoT) industry has developed rapidly. In order to advocate green travel and energy saving, the Intelligent Transportation Cycling System (ITCS) provides strongly favorable conditions for the development of public bicycle. This article introduces the concept of the...

This paper proposes methods that can standardize the different content motions that use Leapmotion in order to define and recognize them. A current Gesture interface is built and used to fit the individual contents. This creates confusion among the users because each applied field uses a different motion....

High channel bit error rate, long delay and other characteristics of the satellite network, will cause the file in the process of transmission is easy to interrupt or packet loss. In order to improve the efficiency of file transfer, the server sends data once, while multiple earth station clients receive.,...

At present, specialty in comprehensive university in china, the art design is an important course in a practical. The score evaluation mainly through new model evaluation methods, evaluation forms and achievements to enrich the diversity evaluator scores organizational structure, so that the evaluation...

Several works on nonclassical fullerenes with heptagons have mainly considered the case with just one heptagon. We present several nonclassical fullerenes with pentagons, hexagons and two, three, or more heptagons.

In this paper, we studied how to improve leadership. First , this article defined leadership operating mechanisms based on core capability of corporation, summarized the concept, connotation, method, principle and research theory of Action Learning. Second, this paper formulated the model of the mechanism...

A theoretical research on Linear Amplification with Nonlinear Components (LINC) is described with an improved theory to COX’s proposed in this article. Input RF signal is separated into envelope component and constant envelope angle-modulated component in the circuit. Two branches of constant envelope...

In this paper, according to current research on tender evaluation methods and bidding systems, the tender evaluation model was established and described in detail, and the framework and functions of the new bidding DSS(Decision Support System) of water projects in Tainjin were designed and illustrated,...

Shanghai is the frontier of free trade in China. While the establishment of Shanghai Free Trade Zone will bring great opportunities to the development of foreign trade enterprises in China, make two-way investment more frequently between China and the world, it also brings challenges. China's foreign...

According to the features of RMB banknote images, combining digital image processing and pattern recognition, this paper proposes a recognition method of RMB word numbers based on character features. The recognition algorithms include: image preprocessing, number region location, feature extraction and...

Back-Propagation Neural Network (BPNN) algorithm is a widely used technique implemented in many engineering disciplines. Despite solving several practical problems around the globe, BPNN still faces problems like slow convergence, network stagnancy and convergence to local minima. Many alternative ways...

In the face of increasingly stringent environmental control system and environmental capacity of limited resources, the power industry needs to seek effective environmental management tools to solve environmental constraints for future development. According to current situation of pollutant emission...

DBPs formation potential, including THMs, HAAs, HKs, chloropicrin, and chloral hydrate, of 20 amino acids was evaluated. Chlorination experiments were carried out at pH=8.0±0.1 by using phosphates buffer and performed at Cl2:N=8:1(molar ratio) at 20±1°C for a reaction duration of 24h. Chlorination experiments...

A TSMC 0.18 µm RF CMOS low-noise amplifier (LNA) for 3 GHz–5GHz ultra-wideband (UWB) applications is presented. The designed LNA employs single-ended to differential conversion and is successfully implemented using the noise-canceling technique. This paper introduces common-gate stage performance and...

In this paper, control strategy of a plug-in 4 wheel drive car is researched. According to torque request, SOC and velocity of the car, the steady work state is classified into 10 modes, which consists of 7 drive modes and 3 brake modes. The control strategy based on logic threshold realizes basic energy...

In the study of route selection, due to the diversity, fuzziness, no-determinacy and randomness of the evaluating index, it is very complex for the information processing and decision making, and the CAD system cannot solve these questions at present. This paper aims at the facts of Tianshan-Road, utilizes...

Whether at home or abroad, local debts play an important role in easing the contradiction between supply and demand of funds, and promoting local economic development and other aspects. The measure of the appropriate local debts scale is the basis to control local debts risks, and it is an important...

Lianyungang City is the core area and forerunner area in promoting the construction of intersections of the "One Belt One Road" and the newly revised legislation Law gives Lianyungang City local legislative power. Legislation should go first, and therefore it is of great significance to strengthen the...

Freedom manifests itself in the creative activity of man. Through a creative act, the person expresses itself and thus fulfils its freedom. Life of man can be ruled neither by fear, nor by authoritative pressure. If there is something valuable in life and world, then it may happen only thanks to freedom....

The cluster manifold becomes an essential part in a subsea production system, which can gather the production fluid from subsea wells and distribute water, gas and chemical agents from the floating production system to each subsea well. On account of its advantages such as a small initial investment,...

The time series analysis method and the actual situation of the real-time monitoring system of the coastal waters are used to select the real-time monitoring data of the dissolved oxygen (DO) in the water quality monitoring data from 24th to 28th March 2016 as a research sample, the ARIMA model was fitted...

Characterization can reflect objectivity and represent objective things. With the development of pharmacology of Chinese Medicine in recent years and the deepening of animal model research in Chinese medicine, how to accurately and quickly copy the successful model animals according to the characterization...

With the rapid development of information society, the demand for information technology talents has increased dramatically. At the same time, it has made higher demands on the quality of talents. At present, the training mode of information talents in our country is relatively simple, and the cultivation...

With the progress of computer technology and intelligent control system, it is necessary to introduce the PLC together with the current systems. In this paper, we conduct research on the new intelligent industrial control and communication system based on PLC technique. As Industry 4.0 at the core of...

Reservoir characteristics has always been one of the many core study petroleum geology, it is because the reservoir is the exploration and development of the most immediate target layer, gas-water as the fluid, they exist and sports venue is the reservoir, thus storage layer of oil and gas reserves,...

Abstract—Transboundary and cross-catchment access to ecohydrological data is the key to designing successful environmental policies and activities. Access to and visual representation of scientific information for the public is essential for attracting greater awareness of ecosystem matters. This requires...

Air Conditioning Engineering is a main professional theoretical course in the major of Building Environment and Energy Application Engineering, in practicums of which both production and graduation practice play an important role. Students’ professional knowledge and virtue can be improved by the combination...

With the progress of the society and the development of colleges and universities, many new situations and problems have emerged in colleges and universities’ student management and college students’ thoughts also develop towards a trend of diversification with the social development. As students have...

Teacher, as a profession, has its own specialty. To make teachers have strong professional, the quality of teacher education is the key. The teaching mode called "flip class" is beneficial to the development of the teachers' theory quality and technological literacy. If we bring it into the teacher education...

By researching the status quo of the project management objectives (quality, schedule and cost) at present, it is found that safety, green and risk management goals are neglected which are important part of project management objectives system. Considering the six objectives and monitoring systems synthetically...

According to the Confucius’ heuristic teach idea and the "discovery learning" theory of the famous American educationist Bruner , aiming at training students' engineering practical ability, then to refine out with “Five rings teaching methods ”that is: "Create the situation and stimulate the interest,...

Reflection-based deep learning, essentially a type of deep learning, aims to promote deep learning by developing reflective learning ability. In order to test "the promoting effects of reflection on deep learning", according to the process model of reflection-based deep learning, we designed the experimental...

With the rapid development of modern information technology, based on the Internet, smart phones and other digital information transmission era of new media corresponding got rapid development, at the same time the new media affect the modern human life, work and study, and the contemporary college students...

In this paper, we address the problem of moving target feature extraction and collaborative tracking in wireless sensor networks (WSN), and present a parallel computing algorithm for moving human collaborative tracking. At first, WSN optimization deployment: divide the monitors in WSN into the two types:...

Through the analysis of the existing problems in College Chinese teaching design, this paper discusses the connotation and characteristics of the task driving teaching method. Based on the learning theory and constructivism learning theory, this paper proposes a modern Chinese teaching method based on...

Has conducted research that aims to obtain a condition of the use of learning strategies listen-see-do based on mini laboratory for student’s science process skills (KPS) on the material quantities and units. The method used is a quasi-experimental design with a "one shot case study" conducted in class...

How to recognize the vulnerable groups and prevent their deviant behavior in China currently will be directly related to the social stability and economic sustainable development in the future. Especially at the present stage, whether the vulnerable groups can be correctly treated and the causes for...

In the process of blood transfusion in artificial liver, the liquid level of blood inside the dropper must be monitored in real time to ensure the stability and safety of transfusion. According to the requirement of the liquid level detection, we designed a kind of ultrasonic liquid level sensor based...

Generally, time to collision TTC is used to quantify traffic risk. In this paper, we aimed at studying suitable probability distribution of TTC under different traffic states. By using maximum likelihood estimation(MLE), the parameters of different states are found. Normal distribution and generalized...

Interior design is the essence of the interior space design, including physical space design and psychological space design two levels. Interior design style is an important issue for interior designers and owners. Through analysis and Research on the relationships between design and interior design...

With the characteristics of multi-source, time-varying and fuzzy, traffic decision information needed by hybrid vehicle energy management system has become the major bottleneck to restrict hybrid electric vehicle's energy optimization. The first step to obtain valid traffic information is image processing...