Welding Arc

Arc column, located between the anode and cathode regions, has the greatest length in the arc gap. The main process here is ionization, or the formation of charged gas particles. This process occurs in result of collision of electrons and neutral gas particles. When sufficient energy collision gas particles lose electrons and form positive ions. Such ionization is called ionization collision. Collision may occur without ionization, whereas the collision energy is released as heat and is a rise in temperature arc column. Formed in the arc column charged particles move to the electrodes: electrons – to the anode, the ions – to cathode. Part of the positive ions reach the cathode spot, the other part of them reaches the cathode, and by attaching itself to the negatively charged electrons, forming neutral atoms.

This process of neutralization of particles called recombination. In the arc column at all combustion conditions there is a sustainable balance between ionization and recombination processes. In general, the arc column is neutral, since in each of its cross section are simultaneously equal number of oppositely charged particles. The temperature of the arc column reaches 6000 8000 C or more – depending on the density of the welding current. Voltage drop in the column varies between 10 50 V / cm, depending on the gas medium and decreases with the introduction of the components. These include alkaline and alkaline-earth metals (Ca, Na, K, etc.).

The total voltage drop in the arc Ua – uk + Uz + U &. Voltage drop in the arc column can be represented as Ue = E1, where E – the tension along the length, / cm – the length of the arc column. Values of uk, Ua, E practically depend only on the electrode material and the composition of the medium arc gap, and with the unchanged sion remain constant under different conditions welding. Due to the small length of the cathode and anode regions can be considered as practically / o = / d, where d is the length of the arc. Then the expression Un = a + – b where a = uk + Ua; b = E. It follows that the arc voltage directly depends on its length. Welding arc classified into: the applied electrodes – with mig and tig, the degree of compression of the arc – and a free compression scheme for supplying a welding current – direct and indirect, by the nature of the current – dc and ac (single phase or three-phase current); to the polarity of dc – direct and reverse polarity. Arc is called short if its length is 2 4 mm. The length of the normal arch is 4 6 mm. Arc length more than 6 mm long call.

The Number

31. The X +2 ion has 22 electrons, to determine its atomic number: a) 22 b) 24 c) 20 d) 18 e) 26 32. Which of the following is isoelectronic species? a) 12mg b) 13Al +3 c) 8AL-2 d) 11 to +1 e) 10Ne 33. For the atoms of different elements that have the same number of neutrons are called: a) isotopes. b) isotones.

c) isobars. d) isoelectronic. e) ions. 34. The sum of the mass numbers of two isotopes is 88 and half the sum of its neutrons is 24. Find the number of electrons one with charge +2. a) 22 b) 20 c) 18 d) 26 e) 24 35.

In two isobars atoms, their average nuclear charges is 19 and the average number of neutrons is 21. Find the mass number. a) 40 b) 50 c) 35 d) 30 e) 45 36. Calculate the number of fundamental subatomic particles for the ion: a) 200 b) 280 c) 283 d) 278 e) 189 37. The sum of the mass numbers of two isotopes is 60 and the difference of its neutrons is 4. Find the highest number of mass. a) 64 b) 32 c) 56 d) 28 e) 14 38. A divalent cation has a nuclear charge of +3,84.10-18C. How many electrons shows that cation? (E = -1,6.10-19 C) a) 20 b) 21 c) 22 d) 23 e) 24 39. Ion shown: What are isoelectronic? I. 15 P +3 II. 16S-2 III. 20 Ca2 + IV. 18Ar a) II and II b) II and III c) I and III d) II, III and IV e) All 40. The difference of the squares of the mass number and atomic number of a certain atom is 2580. If the number of neutrons is 30. Indicate the number of nucleons. a) 54 b) 28 c) 58 d) 46 e) 7 42. An atom of copper, with atomic number 29 and mass number 64, lost two electrons, then I. Its nuclear charge increases by 2. II. Ion atomic number is 27. III. The mass number does not varies. IV. The size of the electron cloud decreases. Are correct a) I and II b) II and III c) I and III d) III and IV e) All 43. A trivalent cation has a total of 77 fundamental subatomic particles: if the number of protons is in 5:6 ratio with the number of neutrons. Calculate the number of electrons in this ion. a) 20 b) 22 c) 25 d) 28 e) 32 44. A number of isotopes of some element has a sum of mass numbers equal to 173 and have a total of 95 neutrons. If the atomic number is less than 26. Calculate the number of isotopes. a) 3 b) 4 c) 5 d) 6 e) 8 45. An ion has a nuclear charge of +4.48 x 10-18C. If the area there 25 extranuclear electrons. Then the ion is an ………… a) divalent anion b) divalent c) trivalent anion d) and trivalent cation) monovalent anion

Ani Problem

The problems exist on their own, while the breaks "live" in our mind as interpretations of what happened and this is what gives us the power to decide how to deal from a position player, proactive, seeking solutions, rather than stay in Complaints which do not lead us anywhere. If we refer to the unwanted situation as a "problem", it seems that there is only one course of action to resolve it. If we refer to unwanted status as a "break", we can find several courses of action, new re-formulations different to the initial finding through them, new courses-action settlement. The key to position yourself against the problems, take note: If you change the interpretation of what happened, you may be facing an opportunity. Every problem (which we call from now on, break) hides one or more occasions. Many of the problems faced are resolved as such or converted into learning opportunities If you meddle with the interpretation you have of them.

This new interpretation allows us to act in anticipation of possible problems that might occur. If we position ourselves as actors, we "advance" to solve problems by declaring them as breaks, taking immediate action for resolution. Why wait could "explode" especially if we can and do something positive? Here I propose some questions for you to work yourself into a problem that are going through, to turn it into a break and be hero of the same, seeking solutions at least those that are within your reach. You can use these questions to any problems you are experiencing: Write a problem you are experiencing at this time. How could you re-formulate it differently to make it a good break? What if you take the problem accepting your participation in it? What could change? "Worry does not empty tomorrow of problems, empty today of its strength. Watch carefully major problems, great opportunities disguised as "Patricia Hashuel Love, Ani 2006-2010 Ana Cecilia Vera Vera. All Rights Reserved. Do you want to publish my articles in your newsletter, blog or website? You can if you include the full text below it …

Manager Equipment

Some people think that once they have identified a personal computer, provided Internet access and access to documents, you can perform various actions, without incurring any criticism or punishment. Well, for example, download a couple of films. But what the Internet is unlimited in the organization, a gigabyte more GB less, what's the difference? Or take away a brand new home card, and the place of his old place. All the same, because no one sees, and therefore do not know. Networking programs recognized. You can defeat the system and unknowingly, without a second thought. Bring, for example, on a flash drive from the house of the infected files and throw them into the shared folder.

Viruses have a dangerous property spread over a network with the speed of light, and protection from them appears, usually on the a day or two later. Specialists in data security have already realized that ever catch up with technology is meaningless hacker, computer hackers are always one step ahead. Therefore, new techniques are increasingly being built on pre-emptive detection of irregularities in information systems. To the administrator to be aware of everything happening in his computer park, online programs have to react to anything unusual in your network. For example, in a time- response of any equipment, as it may indicate something about his failure, or the fall of an important service for the equipment. Network programs must respond to the excess of traffic limit allocated to the organization or office, or drop speed Internet connection. The reasons for these phenomena may be many, from not very good employee, pumping during the day and downloading movies channel, and problems with networking equipment, not too fair to the provider. Most often, the organizations network programs are designed to help the system administrator or IT – Manager to produce an inventory of equipment and supervision over them. In this case, when it comes to intangibles, the company, its property, it is important to alert the system administrator about this problem. We are talking about integrity and reliability of the staff! Of all It follows the obvious conclusion: the online programs are designed to let them not prevent equipment failure or solve all the problems in the network, but warn them of this administrator malfunction – even before his head sprinkling complaints from users about what "not working", "does not go," "slow."

Create an educational

Create an educational exchange program that will bring teachers and students to West Africa to share their local knowledge will communities. recruiting This recruitment exchange program, working with local Ghanaian American Colleges and schools, sales jobs will bring teachers and students to West Africa so that they can Provide educational support to local public schools, work with Ghanaian teachers, and create strategies for families that can not afford to send job search their children to school. 2 Manage an American artist residency program recruiting where artists will live, work and conduct research in Ghana. Artists will be paired with Ghanaian craftsman to create collaborative artworks recruiter and projects. Special emphasis will be Placed on creative community based projects. 3.Develop local programs working with schools and student groups to assist them with Obtaining resources, developing curriculum, and Providing scholarships to students without financial support.

GREEN TECHNOLOGY is

GREEN TECHNOLOGY is green technology to save energy and recyclable equipment out new, there are several projects and organizations that tecnologia.Se several companies are joining these organizations. 1 .- ‘The Green Grid is an open invitation, nonprofit, for any company that wishes to participate. The Green Grid is an open international organization whose objectives are supported by the Environmental Protection Agency’s (EPA, for its initials in English) and the Alliance to Save Energy. Members of The Green Grid seek to reduce energy use in data centers and other computing facilities by identifying and disseminating best practices for the operation of data centers, as well as to its construction and design. AMD, HP, Sun and IBM join forces to carry out an interesting initiative to reduce the consumption of this resource, as well as the cooling requirements in data centers of enterprises. “For over 10 years, HP has sought solutions to the power and cooling needs of consumers,” said Paul Perez, vice president, Storage, Networking and Infrastructure Standards Server Division, HP.

The evolution of Internet

The evolution of Internet access in our country is advancing by leaps and sabah bounds. Latest figures show that 37 of the population connected, 13 below the European average. The increase in our country is the fastest on the EU-15. Despite these encouraging data there are johor bahru many Spanish companies investment that have not fully marketing exploit langkawi the enormous sambilan potential of the network. 87 of European companies using the network as a fundamental part of your business. Internet maylasia is part of the daily routine of business life. Internet is an incredible source of knowledge and spreading democratic of all kinds of activities, reviews and extent of any person. The modern company search engines are replacing other berhad conventional means in the information search. Never was so easy and convenient for financial today’s consumers seek information sarawak about products, companies management before making a purchase decision. Internet is therefore jalan an important channel for prescription and sale of products celcom and services. The way this information is treated in the network must play an important role in marketing strategy and communication of all business. In the same buat duit way that the techniques of mystery directory shopping or mystery shopper are applied in real life, the mystery shopping can be applied in tourism the network to gain valuable information about our customers strategy and our competitors. This competitive intelligence can be a useful vital to understanding what our target audience demand and therefore economy anticipate unmet needs, but also to detect favorable or unfavorable opinions about products services from both our company and our competition more direct. It is kereta curious selangor how some companies offering their products using the international Internet channel johor only take into account the opinion of the users. The lack of knowledge or application of these techniques to detect conditions in which the corporate end user receives the service takes on many occasions to the failure of some of the substantial investments in product launches used. Much of this customer feedback comes via firms usahawan reclamation or never comes. Many users who use shopping services through the network, abandoning their attempts to bad information, correct form, shopping slow connections and a lot of reasons sales justified without the enterprises pendapatan become aware of these kuching reasons. The technology products and services such as connections, hosting, buy domains etc. .. fare hotel no better when we look at the views of melaka customers. This lack of knowledge and customer service have serious consequences when complaints are made at the network that acts of great amplifier and, as noted earlier, an important and unique source of limitation and information to many users. But not only the technology companies can leverage jutawan the Internet as a source of information. The network has any information and opinions. In conventional uptrend firms today perniagaan have much of development and information online. Other links: Mystery Box http://www.wexterbox.com/calidad.htm duit internet http://www.wexterbox.com/cliente.htmWexter Shoppinghttp: / / Ernesto Garcia wext kuala www.wexter.es perak Box SL. . . Magazine Distribution and Consumer E-Mail: info wexter.com

Product Details Product Details

PAPER “Design Companies”

Design can be considered as qualified dictionaries as a technical and creative process designed to develop or aesthetic objects used to be produced in series. It also means the form of something, of an object. The lines and lines that determine the shape of an object or building, or simply explain what has been planned by graphic diagrams. Design is also defined as the process leading mental setup pre-figuration “in the search for a solution in any field. The root meaning of the word design comes from the concept of “disegno” coined in the Middle Ages, in 1563 with the founding of the “Academia del Disegno” in Florence, Italy, by Italian Giorgio Vasari creative multifaceted concept that comes from other words as “plan” or “Sig” talking about something that is coming. Company is defined as an entity composed of capital and labor, as factors of production, and dedicated to industrial, commercial or services for profit. According to a definition found in a doorway of entrepreneurs from Spain, a company would be: A system that interacts with its environment materializing an idea, in a planned manner, satisfying some demands and desires of customers, through an economic activity. It requires a rationale, mission, strategy, objectives, a tactical action and policies. It takes a preview and a formulation and strategic business development. It must start from a good definition of the mission. Subsequent planning is conditioned by that definition. The relationship between these two concepts is very tight now.Design is the fundamental tool for the company, of any item has an image that can put up to other, more advanced tool to awaken the interest of outside investors, the comparative advantage in competing with the price , thinking that global competition that exists today in our global village favors certain businesses, because the opportunity cost of labor, raw materials and other inputs, varies between essentially different economic systems. As part of the journey “The interior and the company currently” developed on December 23, 2008, in the Chamber of Commerce of Valencia, Spain, there were exhibitions that have a lot to do with the topic of empathy and synergy generated between these concepts dyadic, Design-Company, where highlights the views of experts on the matter, such as the director of the School of Art and Design than Valencia, Xavier Giner who says that “times of crisis are good times for design “, because you have to go out and compete” for innovation and quality. ” What that essentially means is that difficult times for the world economy must be wagered by the design as a differentiator, it raised for the reality of Valencia, but this reasoning is applicable to any place on earth where there are designers and businesses. This idea is reinforced by the director of Viccarbe, Daniel Benedito who explains that by designing your company was highlighted with the Prince of Asturias Award, and shows that furniture item that company, all internal departments revolve around the design and along with that, is key to successful internationalization of the company. Finally, at the closing ceremony, the Regional Director of Culture, Jos Alfredo Pellicer attendees recommends companies “see with new eyes what makes the design” and calls for more dialogue between companies developing design projects and between enterprises who implement these projects, since this feedback is really what the trends that are emerging in a given time. Leading to a more local level this analysis design companies can do that gradually takes the discipline of design more attention in the production of elements and in channeling information leading to better sell the products or services, which is why There is a subdivision of areas in which the design has jurisdiction, be it Web Design, Corporate Design, Brand Design, Editorial Design, Multimedia Design, Industrial Design or Object, Product Design, etc.

Early in the

Early in the film Later, in 1935, he studied painting and acting at the Polytechnic High School and Frank Lloyd Wright architecture, and won first prize for an architectural design that you made. However, he was attracted by the film career thanks to the support of the star of that time, Mae West, who endorsed it as an extra, and then venture into the theatrical, made his debut, at age 21 as an extra in the film The Milky Way (1936) and a role in the film Parole (1936). Anthony Quinn in the film Blood and Sand. After the film, her grandmother was ill with cancer to see the premiere, who said at the end: “Now I can die in peace.” At that time he met and fell in love with the daughter of director Cecil B. De Mille, Katherine, and decided to end their marriage of four years with Silvia. In 1937 he married her, but her father did not help him mostly in his career, and its acceptance as a son was profoundly affected due to economic instability.In fact, Quinn could not invite any family member or friend to your wedding party, to avoid De Mille the embarrassment of having to mingle with people who do not belong to his exalted social circle. In 1939 his son Christopher was born, who nevertheless died at age 4 in a pool, which lashed the fledgling actor. His other children were Katherine De Mille: Christina Quinn, Kathleen Quinn, Valentina Quinn and Duncan Quinn. For his appearance “multiethnic” and its passage by boxing in his face, he continued playing supporting roles as a native of the United States, Italian mafia, gangster, Chinese, Arabic, Filipino or Latino during the 1940s. He completed about 15 films, typecast as a thug, villain and characters of dubious reputation. This transpired in real life, and the high society of Hollywood at that time would not admit in their circles, discriminating. U.S. got its nationalization in 1947, so did not participate in the Second World War.At the end of the decade turned to the theater, achieving success on Broadway in A Streetcar Named Desire, Tennessee Williams. In 1947 he got his first starring role in the film Black Gold, which portrays a Native American who becomes a millionaire oil, in addition with the participation of his wife Katherine in the film. In the film The black Swan. He continued his career in TV series between 1949 and 1951, returning to film in the film Viva Zapata! (1952), directed by Elia Kazan, where he received his first Oscar for Best Supporting Actor for his excellent performance as Eufemio Zapata, and this was the first time that a Hispanic actor received the prize. However, its appearance followed him typecast as a macho or hard, and continued playing pirates and adventurers in their next films. One of its main features was the “steal” the main actor role, noting from supporting roles.Her innate talent was so evident in consistency, simplicity and credibility that none of these films had poor box office. By that time he befriended the famous Mexican muralist David Alfaro Siqueiros, who tried to advise him to leave the cinema, but spurred by her past of poverty, Quinn insisted on staying in the sets.

Actions we can

Actions we can take to do it: Create folders: it is important to our files well organized and follow a hierarchical or branching criterion of information. Choose names have to choose names for files and folders that clearly describe what it contains.There are some illegal characters for filenames: /: “> < See details and attributes: to organize the files it is also important that we learn to see and manage information that identifies each folder and file, ie name, size, file type, modification date, etc.. The view "details" of Windows Explorer can help. Delete files and folders: It is best to remove those items you no longer need or are older versions. We must free up storage space on our team to have all the possible capacity and speed of retrieval and storage. Search for files and folders: can not remember where a file is found but the search function of our operating system allows us to locate them. It is therefore useful to learn and use. When you print a file: a file before printing make sure the content you want to print and it is advisable to use the preview option that some programs offer. Extensions: should be familiar with most common file extensions and also know what programs you have installed does not allow you to view these files. Using the attributes “read only” read-only attributes and hiding files and folders are very useful to protect information deemed sensitive. Maintenance: It is important that we use from time to time the system maintenance tools that owns the operating system, such as the defragmentation , the analysis for errors, remove and add programs, etc. Antivirus: must have an antivirus program installed and active, especially if accustomed to surfing the Internet . Backups: It is good to back up important files to restore them in case of loss. bold “> Caution: it is necessary to take precautions when downloading from the Internet, using trusted sites and previously scanned for viruses .