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Protect the surface of the concrete floor
To protect the concrete floor, which is operated in the normal mode, or is subject to wear in areas with high traffic, there are several ways to protect the surface.
   Comparable ways: their cost, appearance and ability to perform the task to protect.
   In this article, we consider three ways to finish and protect the floor. Each of them has its advantages and disadvantages.
   Thin fil...

Finishing compositions based on water glass. Part 3
When used as part of exhaustion moderator comes coagulation and solidification of liquid glass. However, due to the presence in the composition of Portland cement with a finishing time is an increase strength of the coating due to hydration of cement minerals. Thus from colloids formed during the coagulation liquid glass are actively assigned to the water for hydration of cement, a porous media formed tumors filled Portland cement, which leads to...

Finishing compositions based on water glass. Part 2
Studies in Berlin Institute Federal institute for Materials Research and Testing, show that the average density of 1730 kg/m3 brick large proportion of pores having a size in excess of 1 micron is more than 90% [3] and they are responsible for the increased migration of fluids through brickwork.
   Most fully meet these requirements structure obtained by coagulation and water-soluble potassium silicate forming silica with a high sp...

Modernization and repair of self-propelled machines. (3)
Hardening electrolysis BORATING hinge pins and bushings mates working equipment hydraulic excavators EO-4121 (EA-4321) gives an increase in wear resistance 4-6 times compared to the bulk quenching details.
   Taking into account the high wear resistance of brazed blades, hardened sintered alloys (see Table 1), are recommended for carbide knives dumps graders DZ-122 and RS-98, combined machine E-405 based on KAMAZ, for front dumps a t...

Specialized exhibition Architecture. Construction (END)
Mari-lime brick and gas silicate blocks
   JSC "MZSK" produces silicate brick and a half, color (white, yellow, black, red, blue, green, brown).
   For the production of silica brick used quartz sand from quarries near the plant. Limestone enters the factory with Dobryatinskogo deposit Vladimir region. Silicate brick (Table 1) is used for masonry exterior and interior walls of buildings and structures, as well as ...

Geophysical processes primers and security. Part 5
In the center of Moscow can distinguish vertical structure comprising a crashing into the Earth`s crust magma elongated cylinder (Fig. 2) [5]. In the center section marked lack of extensive vertical zone converted waves ("blind spot"), going from the depths of 70-80 km to 7.5 km. Such "blind spots" are characteristic of the earth`s crust with the introduction of monolithic dense mantle rocks such as gabbro, diabase, etc. In such a zone Tashkent e...

Finishing compositions based on water glass. Part 1
The quality of the decoration of buildings for new construction and reconstruction depend not only on their aesthetic, but also the operational parameters, as good-quality finish - a guarantee of durable service basic designs, long maintenance-free operation, the costs for maintenance and care. Traditional binders used for the production of finishing compositions, liquid glass is widely used, but it has some drawback: coatings based on it gaining...

On possible amendments to the equation Griffiths
Griffith presented a picture of destruction allowed to formulate the problem of determining conditions of the beginning of crack propagation and find its general solution.
   As seen from the above schemes, in the process of crack propagation material directly adjacent to it "coasts" unloaded relaxes. This means that the stress and strain it decreases, and the elastic energy stored earlier in this area of ​​the body is re...

Construction skyscrapers - the requirements of modernity. Part 4
The program is a high-rise building in Moscow
   The project is now a high-rise building in Moscow is implemented in two main areas: the construction of business center "Moscow City" and implementation of the program of the Government of Moscow "New Ring of Russia."
   1. Moscow international business center "Moscow - City"
   The project includes the construction of buildings on the territory of abou...

Degree project - beginning of the road. (3)
Given the great diversity of subject matter and content of diplomas in various specialties, the jury is faced with great difficulties in determining the winners - "Who better violinist or a dancer?". Nevertheless, often based on emotional perception and can estimate the relevance and novelty, and the author`s contribution to the thesis project or job. Absolute winners in recent years have been graduates of Rostov CSO GASU St. Petersburg, Nizhny N...


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 Information  management  -  business-critical  applications  of  the  modern  enterprise.  Closing

Standalone use software package consists of two subsystems: AVTOPROEKT-Technology and AVTOPROEKT-Specifications. Subsystem
   AVTOPROEKT-technology provides automated design process of assembly, heat treatment, stamping production, casting, etc., or technical processes, including the operation of different facilities, the calculation of welding and cutting machining, calculation standards of time to perform operations, the formation of the necessary technical documentation and translation process into a foreign language.
   AVTOPROEKT-technology can significantly expand without developers own capabilities, configure automated process technology for the development of new types of production.
   AVTOPROEKT-Specifications provides input and management of information on the composition of the product; maintains an archive of design documentation, performs financial valuation on customizable algorithms and automatically replace the data in the archive process when the standard documentation forms the summary statements (consolidated and exploded specified material allowances, statements complexity of manufacturing products, statements technological routes).
   COMPASS allows AVTOPROEKT technology works with existing enterprise databases without converting them. You can connect different databases database, including Access, Paradox, Foxpro, etc. Completed COMPASS AVTOPROEKT modular. It allows you to organize jobs specialists rastsehovke, material and labor rationing. Flexibility of software and information systems, high customization options allow you to use software package for both large and small enterprises to quickly adapt them to any working environment.
   COMPASS PROTECTION - security data, designed to protect against unauthorized access to electronic documents developed in KOMPAS-3D.
   The principle of protection based on the encoding files. Code set by the user when configuring systems before using it and stored in electronic hardware dongle COMPASS. Some of the settings include resolution, banning export and print data. Security codes and system settings can be modified at any time. Condition change the code, as well as other settings, is the correct code entry stored at the moment the key. Thus, data privacy code provides privacy and limited access to the dongle.
   Users work in KOMPAS-3D with established safety system practically does not differ from normal operations. However, if the option "Protect files" any document will be protected: its subsequent discovery will be possible only in those jobs where you installed the security system and code stored in the key matches the code for a protected file.