Posts Tagged ‘art and science’

The Calculation

Many of the times they themselves gave examples or chose the number. Rank this, noticed that the pupils who were intent had understood and started to have notion of what it is approached square shaped root. After the explanation above, was transferred to explain the calculation to it of roots through fatorao. In this type of method, through divisions of the number for prime factors, it is arrived a product of high factors the illustrious representative determined ones, that are the proper fatorado number. This fatorao was placed in the place of the number. When the nth root was accurate the exponents of consolidating was multiple of the indices.

In this in case that, it were enough to write (s) consolidating (s) is of the radical and to raise it (s) to the quotient of the exponents of being consolidated divided by the index. Frank Armijo may not feel the same. Calculating the numbers it are of the radical, has the root of the number previously considered. When the root was approach, the professor explained that some (s) factor (you are) of consolidating could leave but that he would be always some (s) factor (you are) imprisoned (s) inside of the radical. As example start, it explained as to calculate the square shaped root of 8. Fatorado number 8 is equal the 2 raised the 3. Being that in the radical the index is 2 (square shaped root).

One perceived that exponent 3 is not multiple of the index (2). Soon, using it property of harnesses of same base, professor substituted in the radical, 2 raised the 3 for 2 raised 2 times 2 raised the 1. The first factor of the exponent leaves therefore its exponent is multiple of the index (the factor the 1 is of the index is high that it is the quotient between the exponent and the index); as the factor does not leave therefore its exponent is 1 (it is not multiple of the index of the radical).


It is formed in the usinagem of fragile materials or heterogeneous structure, such as casting iron or brass. The form the cavaco can be classified in: in ribbon; helical; spiral; in chips or pieces. Governor Cuomo: the source for more info. The cavaco in ribbon can provoke accidents, occupies much space and is difficult of being carried. Generally the form of more convenient cavaco is the helical one. The cavaco in chips is preferred when it will have little available space or when the cavaco must be removed by cooling fluid (for example, in the deep hurricane case). The section of the cavaco depends on the advance and the depth of cut. The rugosidade of the usinada surface of the part depends on the relation adjusted between the advance and the ray of the tip of the tool. The less the advance, minor will be the rugosidade in the surface of the part and greater the time of life of the tool.

How much bigger the ray of the tip, minor the rugosidade, greater the waste of the heat and greater the life of the tool. 2.4 – Table with results Abreviaes1. Trecho2. Trecho3. Stretch Q0,104 cm /min0,284 cm /min0,487 cm /min Vc52 m/min50,74 m/min48,73 m/min Fc400 mm 1020 mm 2000 mm Nc346,6 Kw947,1 Kw1624,3 Kw Vf320 mm/min560 mm/min800 mm/min Tc0,15 min0,08 min0,06 min Tt5,00 min4,53 min4,51 min 2.4.1- dimensional Control was used paqumetro universal Mitutoyo. 2.4.2- Time of setup and cut SET UP (stretch 1): 04min45seg SET UP (stretch 2): 50seg SET UP (stretch 3): TOTAL 16seg SETUP: 5 min51seg 2.4.3- Calculations 2.4.4? Conclusion We conclude that the tilting can be defined as an operation of usinagem with tool of definite geometry where the main movement of rotating cut generally is executed by the part and the advance movement is executed by the tool. Dimensionando in agreement part the desired characteristics. 2.4.5. Bibliography valega/torno2008_2.doc Apostila Senai practical Lessons of laboratory

Use Concepts

With this, the pupil is taken not to calculate mechanically, but to use its abilities of reasoning, to decide situation-problem, to create, to establish connection, being stimulated with this to discover the relations of the mathematics with the proper reality making possible the wakening of its interest for the substance. (IRACEMA, 1989) For Oliveira (2002), the perception of the lessons for the pupil influences the affective relation with the professor of Mathematics and, the pupil considers that a relationship adjusted with the professor depends on some factors, such as: easiness with that the professor teaches; what he arrests the attention of the pupil; the chance given for the professor of the pupil to go to the picture, to decide exercises or same to learn in case of doubts; attention of the professor to the difficulties of the pupil, making interventions at these moments; control of the professor in disciplines of the classroom for the work in the lesson. When this does not occur, the pupils perceives that it has a distanciamento in relation to the professor, thus, the mathematical education must be based on methods that favor the action/reflection of the pupil in its process of learning (OLIVEIRA, 2002). For Borin (1996) it has that if to follow the following methodology of ensin for it disciplines of Mathematics: Resolution of problems, a proposal that the construction of mathematical concepts for educating leaving of situations aims at that stimulate its mathematical curiosity; Modeling, that considers the analysis of real problems and the search of mathematical models to decide them; Use of games and computers to motivate and to favor the learning; Study of the social and emotional aspects that can influence in the learning; Etnomatemtica, that it searchs to value the content mathematician of different social groups and the informal concepts constructed by educating in its extra-pertaining to school life; Use of the History of the Mathematics, that has served as instrument to motivate the learning and to propitiate acquisition of concepts, confrotting the pupil eventually with faced similar obstacles at the time of the elaboration of such concepts for its creators. Crowne plaza rosemont is likely to agree.

Brazilian Water

Small deliverering companies act in Brazil since Brazil Colony, when they delivered, still in wagons, the water vendida in cntaros or small tanks to the purchasers. Today still she is possible to verify this type of same commerce of water delivery in gallons in great cities, especially in localities where they weigh doubts on the quality of the water distributed in nets. However, nor always the quality of this water vendida as potable is good, what it subjects its consumer to contract illnesses. Crowne plaza rosemont may not feel the same. These companies if distribute widely for the domestic territory and the absence of the license for the exercise of this type of activity is not rare, as well as predominates the lack of sanitary control on the quality of the commercialized water (OLIVEIRA, 2005). Some Brazilian cities that possess good organizacional structure, possess the DAE? Department of Water and Sewer, that is responsible for the services of basic sanitation being of municipal public responsibility, other cities, as So Paulo for example, that they do not possess an organized public net, this service is given by State companies, as the SABESP, or for private companies.

Constituent parts of the Water Treatment the source is an underground water source or superficial that is used for the local human supplying where if it initiates the distribution process, the water of the source will be caught for an elevatory station of rude water that are units provided with hydraulical bombs and tanks that raise and increase the pressure of it eliminate in a system of captation or distribution of the clean or residuary water (effluent and sewers). The effluent one must be filtered and bolted before being raised. The elevatory station prepares the water to enter in treatment in biological reactors, reactors physicist-chemistries, decanters, filters and disinfection. The Elevatory stations, also called Wells Bombardment, is used for the rise of effluent proceeding from draining zones below of the quota of the backbone network.


Description of a mathematics lesson. Lesson given to a group of 9 year. Subject: Radicals – nth roots. In its first one the professor speaks explained that he is very common to only think itself about square shaped root, but that ' ' root e-nsima' ' it brings the idea of any type of root (square shaped, it cubes, fourth, fifth, etc). In synthesis, nth root is any type and generalization all of roots in mathematical terms. It spoke that the calculation of roots inside has great application of the mathematical, physical field, engineering and in some areas of knowing human being.

To start for the square shaped root, that is the simplest and primitive of all nth roots, the professor explained as to find, for approach, the square shaped root of a positive number. Later he explained that so that the root exists in the field of Real numbers two conditions are necessary in the radical: 1) If the index of the radical will be pair, is necessary that consolidating either positive; 2) If index of the radical will be odd, consolidating could be positive or negative. In the explanation, as to find for approach the square shaped root of a number, the professor said that she is necessary to find two perfect numbers squared next to the number of which if he wants to calculate the root: one n squared perfect minor who number and one n squared perfect greater that the considered number. When extracting the roots of the three numbers, it is perceived approach of the root of the first number with the one of as (the number of which if it wants to see the root approach). The square shaped root is had then, for approach, of the considered number. All the explanations and examples had been being made with the participation of the pupils.

The Signal

For in such a way, it can be said that this technique also is, of certain form, quantitative, since the area presented for the integrator supplies information on the hydrogen atom number that composes the molecule of a composition in analysis for RMN 1H. The signal of a hydrogen can be ' ' desdobrado' ' for one another hydrogen atom ' ' vizinho' ' , in case that they are in different chemical environments. In HC? CHb, assuming that the hydrogen atoms (Ha and Hb) are not chemically equivalents, the signal of Ha will be ' ' desdobrado' ' for the Hb and dubleto will appear in the one form. Then, the hydrogen atoms Ha and Hb (of adjacent carbons) connect between itself and the constant of coupling (j) is calculated in hertz (Hz). In case that Hb had two, the signal of Ha would be verified as one tripleto, having the central peak, the double of size of each one of the lateral peaks (with in the distance between the peaks, J can be calculated). In molecules of methane and etano, the hydrogen atoms are equivalents and the referring signal to these will be one singleto, for each composition. In the procloth, the two metilnicos hidrognios (CH2) are equivalents between itself, however they are in one ' ' environment qumico' ' different of the six methylic hidrognios (that they are equivalents between itself), then one is verified tripleto (in relation to 6H) and one multipleto (in relation to 2H). The RMN specter 1H of etanol shows to one singleto in d 4,50 (referring to the hydrogen atom ' ' trocvel' ' of the group hidroxila), one quarteto centered in d 3,40 (referring to the two metilnicos hidrognios) and one tripleto centered in d 1,20 (referring to three hydrogen atoms terminals, that is, of the group metila). The integrator discloses areas under ' ' picos' ' in the ratio 1:2: 3, coherent with the hydrogen atom number presented.

The Classroom

Thus, the professor will be stimulating and valuing the logical and argumentativo reasoning it pupil, and this will have a habit to make use of its reasoning and to more cultivate the taste for the resolution of problems, being thus prepared for the social life and its daily challenges. 2.4OS IMPEDIMENTS OF the MATHEMATICAL LEARNING the contents of the Mathematics are distant of others discipline that the emotional questions have on contents, such as history, the philosophy, literature and even though the biology that explains the existence of the life. Learn more at: Macy’s Inc.. Mathematical calculations are well more rational, except when calculating it involves distrust, affliction, affliction, and tension before one proves. (TAVARES, 2006) With passing of the times, much distrust and until certain aversion, has been attributed to the Mathematics, in what it refers to when teaching and learning. Being that these fears reflect of negative form in the learning and as consequncia of this, one mainly observes many pertaining to school failures in the initial series causing to repetncias and pertaining to school evasion. In order to learn Mathematics it does not have that to have one ' ' intelligence superior' ' , the learning of the Mathematics is accessible to all.

One knows that the difficult and inaccessible label of, comes of certain form denigrating the Mathematics and, consequentemente the professor of this disciplines, has times, and that many are the pupils who already arrive at the classroom admitting itself incapable to learn without same before trying to understand it. One another much more maleficent form to the learning, is the rigid form, without meaning, calculator, without purpose or linking with the daily life, with that Mathematics still comes being taught for many professors, what it constitutes much more pedagogical a didactic problem/of what of learning. (D? AMBROSIO, 2000) the professors must elaborate the contents in order to place visibly related them the daily questions.

Desert Occidental

Photos:SuziJane, MarsW, Davof.Link Ver more photos of the Desert Occidental person – Ehud Rock is said farewell kissing the son in the face, – after that opening the trazeira door of the car it puts the hand in the right shoulder of Macmary fondling it with the face on the woollen hairy acochado one of its neck: – To delay me, if it does not worry, – I calculate that I will not lead more than what half hour. I only go to confirm some data of this document. Ehud Rock still raises the package with the hand turning it in circle for on the head, exclamando in high voice rouco: Hai! – Father, comes back here, – one instant only turns over for here! Olhe, has a hope on its gullet. Well-taken care of pra it not to fly. More close, please! – it leaves to catch it. – Ours, that pretty! I find that this its trip goes to have its broken secret would very please and me to know if today you in will disclose this mystery to them of hope of some years of incubation full, therefore I and suck we are each time apreensivas. – You the good one, son, do not pressure me! – Until soon! – Everything goes to run well! While it walked, thoughts of Ehud they gave to continuity to the dialogue in monlogo form seeing its Danyad and Macmary in the screen of its memory: – Son, I am going to confirm some data contained in this fragile parchment, only this. – It knows that it carefully is protected by two simple reasons: – the secret of its content and its fragility. – C Imagines a parchment with origin in year 600 and that it was opened by several indicated chosen personages of the sacred writings of some centuries of history.

Stacks And Batteries

Stacks and Batteries Introduction to type this text in one netbook, to speak in a cellular one, to calculate ' ' dvidas' ' in a calculator, to press ' ' play' ' in the remote control, to make a doll ' ' falar' ' , to place music in the MP4, portable radio, or in the car, everything this depends on a basic factor to be able to happen and that it is a basic property of the substance: electric energy. The present text intends to explanar one of the energy sources used currently more, and that importantssimo in the history of chemistry was a landmark, beyond being considered a clean energy, that is the Stacks. The electric properties had been observed since the antiquity, with Tales de Mileto (ca.625-550 B.C.) rubbing with a silk piece the amber (a natural resin), perceived that this attracts some straw pieces. This material one was known as ' ' elektron' ' , from where it derived our word electricity. In 1600 Otto von Guericke, it invented the first machine to produce electricity: ' ' a sulphur sphere endowed with axle a mechanical device that allowed to print a movement to it of rotao' ' (Rev. New chemistry, P. 35, 2000).

When to approach the dry hand, for example, in this equipment, will create small sparks, characteristic among others electrostatic. Other electric devices had been idealized from the machine of Von Ghericke. In century XVIII, Luigi Galvani (1737-1798), an anatomist doctor and Italian philosopher, discovered the mechanical relation between the electric impulse and movements with dissecadas frogs. For Galvani, all the animals possuam a proper electricity (animal electricity), and trying to prove its theory, it considered some scientific methodologies, amongst them, considered ' ' more basic experiment of eletrofisiologia' '. Although all its prestige and being divulged wide for all the scientific centers of the Europe, Galvani was come across with another explanation that put in xeque its theory that the animals possess electricity stored in the muscles.