The core component of barometer is the pressure sensor, which plays a very important role in monitoring pressure, controlling pressure changes and measuring other physical quantities. Barometer obtains the air pressure data through changes of air pressure at different heights. According to the meteorological...

With the development of science and technology and popularity of computer, people have deeply realized computers bring convenience to our work and life. Computer has entered the human society and is playing an important role increasingly. Therefore, for a small supermarket, also it is necessary to develop...

Ice covering high voltage transmission lines caused by the frozen snow disaster brought great harm to our power system and great loss to people's production and life, so the study of high-voltage transmission line deicing robot is of great practical significance. This paper puts forward a new type of...

Publicity translation is a kind of transformation and communication of external discourse, which aims to promote the understanding of Chinese history, culture, politics, economy, society, value system and internal and external policies. In the background of the transformation of the international image...

Competition among power enterprises has become increasingly fiercer with the break of national monopoly, industrial monopoly and resource monopoly. Under such economic environment, it can’t adapt to customers’ demands only by relying on qualified power service; instead, it has become a key means to win...

Facing the increasingly intense competition, we can adopt various policies to reduce costs and enhance the competitiveness. The company in this paper is encountered with big pressure of customer cost passthrough. How to properly organize the manufacturing, control stock, and reduce the production cost...

Transfer matrix method for multibody system (MSTMM) is a new and efficient method for multibody system dynamics (MSD) developed in recent 20 years. Based on many advantages of MSTMM in studying MSD, the rapid and accurate computation problem of vibration characteristics of a complex multiple launch rocket...

Along with the advance of China's economic construction, highway Bridges, and other infrastructure is also more and more perfect, has the very big development potential. Highway, bridge and tunnel construction of major projects, such as the requirement of technology is very high, and has more stringent...

This paper will focus on the relation between gauge-invariant energy density of gravitational field and electromagnetic field. After the brief review the history of finding the analogy between gravitation and electromagnetism, we recall the two different ways to remove the gauge degrees of freedom, Physical...

With the increasing scarcity of water resources, water utilization has become an important way to solve the crisis of water resources. Whether the water system can bring better economic benefits and environmental benefits has become a concern of the people. Based on the analysis of the water system in...

This paper applies the Runge-Kutta and Lax-Wendroff to handle the interior ballistic model, which is based on the quasi two-phrase flow of the interior ballistic model as well as the theory of variable velocity shooting and constant kinetic energy striking of non-lethal destruction. Under the circumstance...

In recent years, a steady increase in the number of new energy power generation projects, the new energy power design enterprises to carry out a number of design projects at the same time has become the norm. The new energy power generation technology is the use of renewable resources, through natural...

The link motion gear form is many and varied. The link motion gear may realize many kinds of path. The link motion gear obtains the quite widespread application in domains and so on aviation, light industry, metallurgy, robot, farm machinery. But so far, the link motion gear also has some elementary...

In order to manage, protect and make benefits to community, a community convenient service system based on information service platform has been put forward. The residents can be access to convenient information by this system, such as the latest notice of community, weather and traffic conditions and...

With the development of society and technology, it is an important part of the urban modernization construction to community service convenient for people. Community service system convenient for people will be established and improved constantly in the urbanization, gradually achieving intellectualization,...

With the development of society and the improvement of living standards, the increase of the average life of residents, China has gradually entered the aging stage. Community health service has been more and more attention. In this paper, proposed a people-oriented, application of computer network, medical...

The development of industrial technology makes the application field of robot become wider. Joint type robot research and development and trajectory planning research have got more concerns. Joint type industrial robots are famous for their characteristics of big scope of work, flexible motion, and compact...

Following the recent study about "general transverse gauge condition" for gravity in weak field approximation in Ref [5], we revisit the energy density gauge-dependent problem of gravitational field by canonical field theory procedure in this paper. Firstly, we proof the general transverse gauge condition...

A ground water heat pump system (GWHP) of a university in Tianjin was introduced, and the system was compared with the other two heating and cooling systems in this paper. The initial and operating cost was calculated, and then the advantages and disadvantages of the systems were analyzed. The results...

To effectively solve the loading reinforcement problem of overloaded vehicles and equipment when troops use railway transportation, this paper takes the field rushing car of Dongfeng as example. Makes calculations from gravity center stability of heavier cars, force in conveying process, stability and...

Space agency of the circuit is more complicated than the planar mechanism. Different circuits have different rotational situation in planar multi-loop mechanism. For more than four or closed form space monocyclic institutions existed. In this article, monocyclic institutions is introduced; Foundation...

In this paper, in order to better construct the community convenience system, we started from the definition of community convenient system and the current situation and detailed the functions which the modern community convenience systems should provide in constructing, such as convenient services,...

Community service information system which is an information network and information management service system of government, subdistrict office, neighborhood committee is established by means of community public e-government network platform. Guaranteeing to establish community service information public...

Conforming to the trend of the times, the relevant provisions about city community construction was put forward to help people enjoy a happy life. The community construction has a fast development At home and abroad, and all countries start to research how to establish a mature and efficient smart community....

Feature extraction is an important procedure in the process of fault diagnosis for rotating machinery. Based on wavelet and local linear embedding (LLE), a method is proposed in this paper to extract features from vibration signals of rotating machinery. Firstly, multiple features were extracted from...

Nowadays, the world car ownership is rapidly expanding, and 99.9% of which are traditional energy vehicles. The energy consumption and environmental pollution pressure it brings has become a global challenge. In this background, energy recovery has become an effective way to ease the pressure of energy...

The water and sediment discharge regulation (WSDR) project of the Yellow River is yearly implemented from 2002, while there are few reports about its influence on zooplankton. In this paper, we studied the species constitutions, horizontal distribution and community diversity of zooplankton based on...

Grouting reinforcement technique is analyzed and designed in foundation pit which were damaged by rainstorm. Heavy rains led to a deep foundation pit are soaked and some slopes were collapse and the foundation of surrounding buildings were sunken. The causes of the accident are analyzed after emergency...

Research purposes: In recent years, according to on-site observation, it is found that CWR in ballastless track will produce lateral deformation in sporadic bending form. For high speed railway, it is easy to stimulate hunting motion of locomotive and rolling stock and has a great impact on driving stability,...

The cold brittleness of propellant at the low temperature is the main cause of the large amount of fraction when launching and easily leads to safety accident. The discrete element method is described in this paper. The propellant particle in the charge is discretized into a multi-body system which consists...

An experiment that study on the dynamic characteristics of CRTS III slab track structure on roadbed under high-speed train load was carried out. The full-scale test model of CRTS III slab track structure had been established based on track-roadbed dynamic model test system. Test results show that after...

With the science and technology progress, CNC system is towards high performance, high precision, high speed, high flexibility and modularity.The traditional computer numerical control (CNC) system is mostly special equipment; users can't extend the function of the numerical control equipment, to meet...

With the rapid development of e-commerce, more and more people choose to ship online. Meanwhile, the logistics industry is also booming and express delivery has already become an indispensable part of people’s life. Thus, how to reduce the work intensity of the courier and improve their work efficiency...

The driving force electronic control system composed of electronically controlled engine, automatic transmission and traction control system can realize the active regulation to the driving force, improve vehicle dynamic, trafficability and handling stability. CAN bus technology cannot only avoid the...

By using density functional theory (DFT) calculations, the phase stability of Ga3Zr with tetragonal (D022) and cubic (Ll2) structures under high pressure have been investigated. The equilibrium configurations have been obtained after geometry optimizations. The lattice parameters and formation energy...

This paper mainly introduces the design process of a new type of non - standard equipment which is suitable for the maintenance of many kinds of locomotive wheel sets. The working principle, working process and structure characteristics are discussed in this paper. The design and calculation of the main...

Selective biocatalytic synthesis is an important part of the third generation of biotechnology, is the forefront of international scientific and technological development. Utilizing enzyme catalyzed reaction, many complex substances can be synthesized. Biocatalysis have strict regional selectivity and...

Nowadays, the energy consumption and environmental pollution pressure cars bring has become a global challenge. In order to ease the pressure of energy and environment, the loss energy during automobiles braking can be regenerated and reused when the automobile starts or accelerates. By this way, not...

When designing and calculating through ANSYS software, there exist many solid models that are unable to be simplified as the beam or shell. In order to obtain the distribution of internal force of these structures to guide the optimization design, the paper puts forward a method to obtain the envelope...

With economic and social development and the constant improvement of informatization, people’s requirement for life quality has also been improved correspondingly with ever increasing demand for fire protection, burglar alarm and distant power/blackout of household appliances, so various intelligent...

Aimed at the design of non pressure-accumulated and handheld fire extinguishing bomb, the rules of the influence of structure on jet performance were studied by the method of equivalent diameter and distance. The factors such as diameter of the burning area of gas-generating agents, length-to-diameter...

The interface bond damage between the slab and self-compaction concrete is one of the most common damages of CRTSIII slab track. According to the CRTSIII slab track structure characteristics, an finite element mechanical analysis model of track structure was established, which include rail, track slab,...