Tag Archives: Technology

Styrofoam Solution

The data presented shows in a single experiment can get a range of densities mentioned solutions depending on the concentration. With increasing concentration of the solution density increases significantly, being in the range of densities gum turpentine and resin polystyrene, reaching 40% for solutions concentration of 0.957 g/cm3 density polystyrene 1.05 g/cm3. The amount of waste expanded polystyrene (Vpp, cm3) to obtain the appropriate concentration of solutions obtained by dividing the sample of the waste in the waste density polystyrene (0.02 g/cm3). The amount of waste polystyrene foam table. Several characteristics of the processes of waste polystyrene into solutions of gum turpentine, depending on their concentration. p / n Name of the characteristics of gum turpentine concentration,% 10 20 30 40 1.

Weight of the solution P, g 26.415 29.350 33.018 37.736 44.025 2 increase in mass solutions DP,% 100 111.11 124.99 142.85 166.66 3 volume of the solution V, cm3 30 32.8 36.0 40.0 46.0 4 Increasing fluids, DV,% 100 109.33 120.00 133.33 153.33 5 Densities of g, g/cm3 0.88 0.894 0.917 0.943 0.957 6. Mass of waste polystyrene foam, Pnn, r – 2.935 6.603 11.321 17.610 7 The amount of waste polystyrene foam, Vpp, cm3 – 146.75 330.15 566.05 880.5 8. The amount of waste polystyrene to produce. 1 cm3 of a solution (Vpp / V), cm 3 – 4.47 9.17 14.151 19.140 cm3 for a given concentration of solution (Vpp / V) obtained by dividing the volume of waste Styrofoam on the volume of solution V. The most interesting from the perspective of a high degree of compaction of waste polystyrene and their use in casting a 40% solution. He has sufficient fluidity to Dosage and smeseprigotovleniya sand molding and core mixtures in conventional mixers operating mode without changing their operation. The authors of this paper suggested formulations and methods of cooking such mixtures with very high strength characteristics comparable to much (an order of magnitude) more expensive resin binders 6.

Humidity Sensors from Honeywell

Honeywell is cemented traditionally strong position of the humidity sensor, expanded its series of hih. Now, developers are available humidity sensors in versions and with additional hydrophobic filter, as well as sensors for SMT-mounting. Used for measuring humidity sensors based on different physical principles and implementation of various technologies. We can distinguish four basic types of sensors: capacitive, resistive, based on tin oxide and aluminum oxide. Let us consider briefly the characteristics of each type. Of those presented four main types of measuring humidity in the best possible combination of parameter is the capacitance. It provides a wide measurement range, high reliability and low cost by using microelectronic technology. The latter allows the capacitance of a planar type thin-film method.

Due to this we have the miniature size of the sensitive element, the possibility of implementing on-chip application-specific integrated circuits for signal processing. Processability and high yield crystals provide a low cost of production of this type. Thus, for capacitive humidity measurement method is the best. We now consider the distinctive features of capacitive humidity sensors, offered to our attention a company Honeywell. The sensing element is a multilayer structure. On a silicon wafer deposited platinum film, which forms the first electrode of the capacitor. Insulator between the plates is a thermoset polymer, on top of which is made the second plate of the capacitor – the platinum film with perforations, allowing moisture to penetrate to the absorbent layer and change its relative dielectric constant of , and accordingly – and the capacity C of the capacitor.

DVD Russian

With DVD Russian citizens met at the end of the last century, in 1997. Since then much has changed, the market settled down a large number of different manufacturers and different versions. If you go to shopping mall, which sells equipment of this type, then run into the problem of choice, but not because selection is scanty, the opposite is true – the proposed range of DVD is very rich. And each customer would like to receive device that not only would be the best, but also cost is not too expensive. Of course, you can pay attention to the best-selling dvd-players, and decide for yourself what is the best option. Most likely, so you go straight to the target. But there are things about which you should definitely know. You know – to get good and cheap DVD to be very much taken into account.

But in this article we would like to focus on multi-zone and some functionality. Well, let's start. Read more here: Brad Pitt. Choose a multizone player. On land there are zones in which the world was divided in 95th, each zone has its own drive type, designed for the area, and they played can only player in this zone. But after a while began to produce DVD, which perceive the wheels of all zones. Your only a DVD. Now on to the. In some there is automatic adjustment of DVD, on the one hand not bad – no need to once again to bother.

And if you do not like the way your player is configured, the settings do not suit you? The conclusion suggests itself – manual setting is preferred. There are those who mistakenly believes that this function is not needed, and that he is capable of DVD 'stretch' the image and make it better than the picture on the TV screen. That may be so, but at the same time too many models overestimate the color. So here as a manual adjustment time and necessary, it makes it possible to configure it right. Many types of players allow you to adjust such parameter as 'range', responsible for the reproduction of dark scenes, dark fragments. You can adjust the delay relative to the color of the picture. How coherent is the signal between the DVD and projector, depends precisely on these points. By the way, if you still and pay attention to the choice of the latter will simply wonderful. There are many variations – expensive projectors, cheap, selling, modern. But not everyone will be able to smoothly run a hundred percent with dvd-player, who do you have in stock.

Reading Card

Cards of memory: they store information and depending on the used technology, they can be dismissable or you reused. It does not have processing in the card and yes in the reading machines. b) Cards with microprocessor: ‘ is considered; ‘ verdadeiro’ ‘ smart card therefore possesss a CPU with capacity to effect commands and an area of memory to store information. It is reloadable in specific terminals ATM, terminals or even though through on personal computers to the current account of the possessor. When storing information, hinder double-spending. c) Hybrid cards: they are those that beyond chip, they possess also tarja magntica.3.1.2 How much to the form of they contatoPodem to be with contact, where the access to the data and applications of smart cards if give through the physical contact with the device of reading, that if communicates for electric signals, or without contact (contactless), where does not have contact necessity Smart cards with chip function using an only criptografia, that is, a species of code that not only keeps the information, but processes also them. After these information to be stored the using one Duplication of the electronic representation passes the card in a reading machine of double-spending-, as a card or e-money, and to use more than a time, with this duplicate the disponibilizados resources originalmente.cartes with chip, which makes the recognition of the information, legalizing them through the data with a digital signature, contained in chip. The authentication is one method used for the confirmation and/or certification of that the same bearer or an user of the banking card intends to carry through definitive operation, quese of the one through the introduction of the private code or password. In substance of Interesting the Super magazine (Worcman, 1998), it describes that each operation functions as if was a criptografada colloquy, where the used code a time does not function as if it was a criptografada colloquy, where the used code a time cannot be reaproveitado, this data is not visible to the user, is part of the decoding of the information.

Housing System

Energy conservation in new and old homes. In recent years, energy conservation – the main topic of conversation, but most people think that this applies only to industrial giants, and a spacious office buildings. For more information see this site: Peter Thiel. For what it is ordinary residents of apartment buildings? If you look at this situation from another angle, it becomes clear that the area housing – an area where electricity consumption is very high, so the energy-saving technologies should be primarily used here. Today the problem of saving energy in Russia is very serious: Burst crisis will affect costs, and most residents once again will have to live with austerity, paying huge bills like here to recall not saving and the potential savings? To ensure the operation of appliances in a standard high-rise building spent about 1 / 3 of electricity consumed, the rest of goes to heating and hot water. During the construction of new homes energy-saving technologies used in the past few years. Heating system attached particular importance: to save the heat on the order of heavier than to reduce the cost of lighting, so the main effort of designers and builders are intended to make the apartment warm. Increased insulation apartment allows you to set is not as powerful equipment for heating the house. In this case it is possible to mount the battery smaller and change the operation of the heating system as a whole. Depending on the type of heating system you need to consider building insulation inside or outside.

Classification Criteria For ACS

ams classification strongly depends on the classification criteria. By the form used by the control device information distinguish open and closed ACS: in open systems there is no feedback between the output of control object and the input control device. In such systems, value-driven not controlled. If there is a feedback facility management and control unit form a closed loop provides automatic monitoring of control object. By the nature of changes in the driving influence of acs can be attributed to the following types: automatic stabilization, giving the effect that constantly, and these systems are designed to maintain consistency of some physical parameter (temperature, pressure, speed, etc.), program control, giving the effect that changes in any previously known to the law (for example, a given program can be modified speed motor drives, change the product temperature during heat treatment, etc.) tracking, giving the effect which varies according to the arbitrary, a priori unknown to the law (used to control the parameters of the control objects in the external conditions). In recent years, are becoming increasingly important adaptive control systems, characterized by action on the object of management of any completely unknown factors. As a result, the need to solve the control problem under uncertainty of input data for decision on control actions. These systems can adapt to environmental changes and the object management, and improve its performance as experience is gained, ie information on results management.

In turn, adaptive process control are divided into: the optimal, which provide automatic maintenance of the facility management of most advantageous mode, self-tuning, the parameters of the control object which is not remain unchanged, and converted to a change in external conditions, self-organizing, algorithm which does not remain unchanged, but improved when the parameters of the object management and external conditions, self-learning, which analyze the experience gained object management and on this basis will automatically improve its structure and method .Po nature of the acs is divided into continuous and discrete actions. In the continuous process control for continuous variation of the input signal also varies smoothly and the output signal. In the discrete process control for continuous variation of the input signal output signal changes abruptly. Management methods based on the use of digital technology, always lead to discrete control systems. By the nature of change the tone settings of acs can be divided into linear and nonlinear, steady and unsteady. By number of parameters themselves ams are one-dimensional or multidimensional (multiparameter). It should be noted that the classification of the acs can also be constructed on the basis of other criteria, for example, can be classified by acs the physical nature of the system or its major parts, the power actuator, etc. Each of these methods of classification of acs is often independent of the others. This means that each of them can be represented as a scale in a multidimensional phase space, while the specific process control in this space will correspond to points or certain areas.

Bluetooth

Earpiece – it is a micro radio station, located directly in your ear canal. Microscopic size and skin color do priborchik completely invisible, but, despite the enormous reticence in the work to remove it it is not difficult – to each of a hidden earpiece attached finest woods, pulling you Earpiece comes out. Continue to learn more with: Naveen Selvadurai. Further, through the headset (model of the micro 'student' or 'Manager') or via Bluetooth (Model hidden earphone 'Elite' or 'Elite Suite') hidden earpiece connects to your mobile phone. In the first case, a cell must be placed in your pocket, while the latter may be, say, remotely in a bag. There is also a model of the micro 'Hammer', whose character does not work on cell phones, and on ratsiyah supplied in the kit. If a relationship with someone who has the ear spy earpiece is on cell phones, connection is possible from anywhere in the world. For example, you can at home to help his friend to pass the exam on the other end of town, but we must remember that a connection on a cell phone will have at least a little, but to pay, plus a danger of having the exam room suppressor cell phones, in this case turns out to be indispensable model 'Hammer', because the cellular jammers on the radio do not work, and money from the account of the relationship is not written off, but communication range between the radios may be restricted by various parameters, including power. So, in your ear hidden micro earpiece connected to a mobile phone or walkie-talkie, you can take it for your friends and respond to them through the built-in microphone.

And it is absolutely invisible for prying eyes. Who will benefit hidden Earpiece? In the first place – it's students. After all, in fact, Earpiece – this is a real simple crib of our time, indispensable for the exams, tests and lab work. Just a wireless headset is very helpful in negotiations and business meetings. Sometimes you need to obtain prompt advice or information and does not show it, what would your business partner would not suspect you of incompetence. Invisible earpiece useful business and just business people. Miniature earphones can also use the chance people during the games (cards, casinos, etc.) for secret negotiations with a partner. Bank tellers, security guards, drivers and so on.

Brazilians

Most of the accesses if of the one in paid places, as the LAN house (28%) and in house (23%). About 48% of the Brazilians of classroom C they have access to the Internet, and majority of these internautas has access in LAN house. The classrooms and the B also have access sufficiently in LAN house. In accordance with this research, the socioeconmicos factors and the regional inaqualities still are main the determinative ones of the access to the Internet in Brazil. How much bigger the income and the escolaridade, greater the access. For even more analysis, hear from Peter Thiel. Thus, richer regions have more access. As the use of the Internet is conditional for the partner-economic situation, the individuals younger than withhold greater escolaridade level and greater income presents more possibilities to keep the frequent use of the Internet. The divulged survey sample despite the main reason for the majority of the young internautas, 39% of the interviewed ones, to use the Internet is the information.

Questioned on the habit to insert content in the Internet, 58% of the young declare already to have inserted either a text, a photo, a music or one has filmed. However, the majority costuma not to complain on a product or service online. About 94% of the interviewed ones they use the Internet to become related. Between the young, the half ones more used for this end are MSN the Orkut. After the social nets, the biggest virtual interactions are the insertion of commentaries in small farms of notice. These data also confirm the net as second bigger media of mass of Brazil, what online would justify more investments in the media. Of this form, to study the appropriations of the new technologies for this group at a moment where if the consolidation of the cibercultura lives can helping in them to understand the importance of the new ways for its social performance, and also, in case that it were the objective of this work, to point trends of behavior of future social groups that, to judge for the current perspectives, will make use each more intense time of the new technological resources. But following the methodology of Castells, it is better not to point the future and yes to understand the gift.

Global Carbon Project

According to the testimony of experts, the pact, developed over 10 years provides for the introduction of new environmental standards and prohibit almost any water drain outside the protected basin. Commenting on the ratification of the pact, the National Federation of the protection of wildlife in the United States stated that to share the Great Lakes for more than 90 percent of all freshwater in the country and is updated annually, less than 1 percent of these reserves, which puts them at risk of malnutrition. Growth in emissions of greenhouse gases in the world is at a record pace Scientists sound the alarm – the growth of greenhouse gases every year increases. The volume of global emissions of carbon dioxide (CO2) from 2000 to 2007 grew four times faster than during the previous decade. Even on the most worst-case scenario of climate change, scientists could not assume that the concentration of greenhouse gases will be so big. This unprecedented and astonishing acceleration in CO2 emissions to the atmosphere, despite the made within ten years of international efforts to combat global warming. A report published by a group of international experts, Global Carbon Project (GCP) states that the greatest contribution to greenhouse gas emissions contribute Asia: China overtook the United States and became the first country in the world by CO2 emissions in 2007, while India is about to take away from Russia to its third place. The greatest increase in emissions observed in developing countries, mainly in China and India, whereas in developed countries experienced slower growth.

Inventory

Accounting of the assets Agrees that all the main sejaminventariados assets of information and has a responsible proprietor. The inventory of the ativosajuda to assure that the protection is being kept of adequate form. Convmque the proprietors of the main assets are identified and sejaatribuda the responsibility to they for the appropriate maintenance of the controls. Aresponsabilidade for the implementation of the controls can be delegated. It agrees quea responsibility for the rendering of accounts is with the doativo nominated proprietor. Classification of the Objective information: To assure that the information assets receive adequate umnvel of protection. It agrees that the information is classified to indicate aimportncia, the priority and the level of protection. The information possesss some levels of sensitivity ecriticidade.

Some item can need an additional level protection special outratamento. It agrees that a system of classification of the sejausado information to define a set appropriate of protection levels and to determine anecessidade of special measures of treatment. Security in people Security in the definition and recursosde work Has for objective To reduce the risks of human error, robbery, fraud or improper use of the installations. Including security in the responsibilities dotrabalho Convm that rules and sejamdocumentadas responsibilities of security where he will be appropriate, in accordance with the politics of security of informaoda organization. It agrees that they include any responsibilities general pelaimplementao or maintenance of the politics of security, as well as specific quaisquerresponsabilidades for the protection of determined active or pelaexecuo of determined processes or activities of security. Election and politics of staff Agree that verifications of control on equipepermanente are lead at the moment of the election of candidates. One sends regards that this includes the following one: ) the availability of references of satisfactory character, for example a professional and personal one; b) verification of the exactness and inteireza of the information of curriculumvitae of the candidate; c) confirmation of the eprofissionais academic qualifications; d) verification of the identity (passport or similar document).

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