Positive feedbacks by LinkedIn for me about data related to ´´my´´ dissertation and monograph. It reflects the level of importance of these science data, of course!! There are other typed of images at LinkedIn. I hope that researchers, teachers, students, scientists and other people linked to scientific researches worldwide use the graphics I made about the variations of all mice weights during all experimental time of my dissertation as an example, model or reference for conducting scientific researches as well as other data from my monograph and dissertation, leading to very beneficial innovations in the methodologies bringing very important and relevant results to the world society, significantly increasing the human life time more and more – Positive feedbacks about the message I sent for my LinkedIn contacts by LinkedIn @ Facebook friend requests for me & LinkedIn, Twitter, Facebook and other images @ ´´The weight of an object (or the weight of an amount of matter) is the measure of the intensity of the force imposed on this object by the local gravitational field. Weight should not be confused with the related but quite different concept of mass. For small objects on Earth, the weight force is directed towards the center of the planet.´´ #time #blog

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Pathol Res Pract. 2012 Jul 15;208(7):377-81. doi: 10.1016/j.prp.2012.04.006. Epub 2012 Jun 8.

The influence of physical activity in the progression of experimental lung cancer in mice

Renato Batista Paceli 1Rodrigo Nunes CalCarlos Henrique Ferreira dos SantosJosé Antonio CordeiroCassiano Merussi NeivaKazuo Kawano NagaminePatrícia Maluf Cury


Impact_Fator-wise_Top100Science_Journals

GRUPO_AF1 – GROUP AFA1 – Aerobic Physical Activity – Atividade Física Aeróbia – ´´My´´ Dissertation – Faculty of Medicine of Sao Jose do Rio Preto

GRUPO AFAN 1 – GROUP AFAN1 – Anaerobic Physical Activity – Atividade Física Anaeróbia – ´´My´´ Dissertation – Faculty of Medicine of Sao Jose do Rio Preto

GRUPO_AF2 – GROUP AFA2 – Aerobic Physical Activity – Atividade Física Aeróbia – ´´My´´ Dissertation – Faculty of Medicine of Sao Jose do Rio Preto

GRUPO AFAN 2 – GROUP AFAN 2 – Anaerobic Physical Activity – Atividade Física Anaeróbia – ´´My´´ Dissertation – Faculty of Medicine of Sao Jose do Rio Preto

Slides – mestrado – ´´My´´ Dissertation – Faculty of Medicine of Sao Jose do Rio Preto

CARCINÓGENO DMBA EM MODELOS EXPERIMENTAIS

DMBA CARCINOGEN IN EXPERIMENTAL MODELS

Avaliação da influência da atividade física aeróbia e anaeróbia na progressão do câncer de pulmão experimental – Summary – Resumo – ´´My´´ Dissertation – Faculty of Medicine of Sao Jose do Rio Preto

https://pubmed.ncbi.nlm.nih.gov/22683274/

Abstract

Lung cancer is one of the most incident neoplasms in the world, representing the main cause of mortality for cancer. Many epidemiologic studies have suggested that physical activity may reduce the risk of lung cancer, other works evaluate the effectiveness of the use of the physical activity in the suppression, remission and reduction of the recurrence of tumors. The aim of this study was to evaluate the effects of aerobic and anaerobic physical activity in the development and the progression of lung cancer. Lung tumors were induced with a dose of 3mg of urethane/kg, in 67 male Balb – C type mice, divided in three groups: group 1_24 mice treated with urethane and without physical activity; group 2_25 mice with urethane and subjected to aerobic swimming free exercise; group 3_18 mice with urethane, subjected to anaerobic swimming exercise with gradual loading 5-20% of body weight. All the animals were sacrificed after 20 weeks, and lung lesions were analyzed. The median number of lesions (nodules and hyperplasia) was 3.0 for group 1, 2.0 for group 2 and 1.5-3 (p=0.052). When comparing only the presence or absence of lesion, there was a decrease in the number of lesions in group 3 as compared with group 1 (p=0.03) but not in relation to group 2. There were no metastases or other changes in other organs. The anaerobic physical activity, but not aerobic, diminishes the incidence of experimental lung tumors.

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Weight

From Wikipedia, the free encyclopediaJump to navigationJump to search

The Simple English Wiktionary has a definition for: weight.

The weight of an object (or the weight of an amount of matter) is the measure of the intensity of the force imposed on this object by the local gravitational field. Weight should not be confused with the related but quite different concept of mass. For small objects on Earth, the weight force is directed towards the center of the planet. For larger objects, such as the Moon orbiting around the Earth, the force is directed towards the center of mass of the combined system.

In common language, the weight of something is typically understood to be the value measured at or near the Earth‘s surface. Unfortunately the common terms used to describe the weight of an object are units of mass such as kilograms or pounds. For almost all of human history, weight has been measured on the surface of the Earth. Here, the weight is proportional to the mass. Objects which have the same mass have the same weight. An object with the twice the mass of another will also have twice the weight. As a consequence it is common practice to use the two words, mass and weight, as if they mean the same thing and to use kilograms and pounds as the units for both mass and weight. Using the same terms to describe and measure the two different properties has led to confusion between these two properties, mass and weight. Mass and weight are not the same thing.

Contents

Units of weight[change | change source]

The unit of weight in the International System of Units is the newton, which is represented by the symbol ‘N’.

Other units have been in use in the past but have been abandoned, such as the dyne (the unit of force in the old CGS system) or the kilogram-force, which is the force exerted on a kilogram of matter by a ‘standard’ Earth: a body with a mass of 1 kg has a weight of about 9.81 N at sea level.

Measuring weight[change | change source]

The weight of an object, or of an amount of matter, is typically measured with an instrument such as a spring scale. The scale includes a spring which provides a force to oppose the gravitational force on the object which is being weighed. The gravitational force pulls down, the spring pushes or pulls upwards. Typically, the scale has a readout which gives not the weight (which is a force) but rather the mass of the object. Spring scales are made with the assumption that they are being used on the surface of the Earth. If a spring scale was taken to the Moon it would give a misleading reading.

A balance style weighing scale is a device that compares the weights of two object in the same gravitational field: it determines whether one object is heavier or lighter than the other.

Weight is variable[change | change source]

Weight is not an intrinsic property of matter because the local gravitational field that generates the force called weight is variable in space and time:

  • Since the Earth’s attraction decreases as the square of the distance to its center, the weight of an object is slightly smaller at high altitude (e.g., at the top of a mountain) than at sea level, or at the equator than at the poles (because the Earth is slightly bulging).
  • An arbitrary object on Earth is also attracted by all other celestial bodies, such as the Moon, for instance. Hence, its weight will be less with the Moon overhead than with the Moon on the other side of the Earth.
  • Weight is not defined exclusively to Earth: An astronaut weighs 6 times less on the surface of the Moon than on the surface of the Earth.
  • Weightlessness is an apparent condition experienced by astronauts or satellites in orbit around a planet. In reality their weight (gravitational pull) is the force that keeps them in orbit. Objects in orbit travel with very high speed. For satellites orbiting 300 – 500 kilometres above the Earth this speed is about 27,000 kph. Without the gravitational pull of the Earth they would fly off in a straight line. The gravitational pull keeps them falling towards the planet. The combination of high sideways velocity and constant pull toward the centre of the Earth bends their path so they stay in orbit.

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4 Comments

  1. Hi there! I know this is somewhat off topic but I was wondering if you knew where I could get a captcha plugin for my comment form? I’m using the same blog platform as yours and I’m having difficulty finding one? Thanks a lot!

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