Ciencias Aplicadas

 
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Pag. 13 de 29

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Actividad enzimática de la catalasa (con Cobra4)

Principle

Catalase is an enzyme that - in humans - is found predominantly in the liver and erythrocytes. It decomposes hydrogen peroxide, which is a toxic byproduct of cellular respiration, into water and oxygen.

Benefits

  • Compact, easily transportable setup
  • For both demonstration ...
 
Detalles

Num.Producto: P4120660

Principios básicos de la resonancia magnética nuclear (NMR)

Qué se aprende
  • Spin nuclear
  • Núcleos atómicos con momento magnético
  • Precesión de los spines nucleares
  • Magnetización
  • Condición de resonancia, frecuencia MR
  • Angulo de volteo o rotación (flip)  MR
  • Señal FID ...
 
Detalles

Num.Producto: P5942100

Tiempos de relajación en la resonancia magnética nuclear (NM R)

Principle

The principles of relaxation processes using the MR technology are demonstrated. Experiments are executed with the MRT training device giving the opportunity to investigate some small probes in the sample chamber. Device control is done with the provided software. ...

 
Detalles

Num.Producto: P5942200

Codificación espacial en la resonancia magnética nuclear (NM R)

Principle

It should be demonstrated how spatial encoding does work in the MR technology. Experiments are executed with a MRT training device giving the opportunity ton investigate some small probes in the sample chamber. Device control is done with the provided software. Investigations ...

 
Detalles

Num.Producto: P5942300

Formación de imágenes con la resonancia magnética nuclear (N MR)

Qué se aprende
  • Spines nucleares
  • Precesión de spines nucleares
  • Condición de resonancia
  • Frecuencia MR
  • Señal FID (decaimiento de inducción libre)
  • Campos de gradiente magnético
  • Decodificación espacial (codificación de ...
 
Detalles

Num.Producto: P5942400

Resonancia magnética (RM) II



Principle

The aim of these experiments is to show how the spin echo technique can be used to generate 2D MR images of a slice of a well-defined thickness, orientation, and size (Localized Spin Echo 2D). These parameters determine the so-called "field of view" (FOV) of the MR image. ...

 
Detalles

Num.Producto: P5942500

Exámenes con ultrasonido en un modelo de seno

Kit completo para investigación de ultrasonido con un modelo de  ojo  humano,  distancia  entre  cornea  y  retina,  grosor  de lentes,  biometría,  sonografía  de  ojo,  velocidad  media  de ...

 
Detalles

Num.Producto: P5950300

Generación de ondas sonoras

Principle

Sounds are generated by oscillations. The sound volume is influenced by their relative amplitude, while the sound pitch depends on their frequency. This relationship is examined based on three examples: oscillating ruler, tuning fork, string of a ...

 
Detalles

Num.Producto: P6010000

Propagación del sonido en el aire

Principle

This experiment demonstrates, particularly clearly, the propagation of sound waves in air and, thereby, the working principle of the eardrum that is caused to oscillate by pressure waves. The movement of the membrane is transferred to the neighbouring air molecules, which in turn ...

 
Detalles

Num.Producto: P6010100

Propagación del sonido en cuerpos sólidos

Principle

The transmission (or conduction) of sound through a solid body means: One end of the solid body is caused to oscillate (e.g. by placing a tuning fork on it). This oscillation propagates through the solid body to the other end of the solid body. The transmission through the solid ...

 
Detalles

Num.Producto: P6010200

Propagación del sonido en agua

Principle

The aim of this experiment is to enable the students to find out that sound can also propagate in other media, e.g. liquids. For this purpose, they study the propagation of the sound of a tuning fork in a tube that can be filled with air or water. For comparison, the sound ...

 
Detalles

Num.Producto: P6010300

El sonido como una onda sinusoidal

Principle

The aim of this experiment is to familiarise the students with the "measure Acoustics" software. First, the students record the sounds of two tuning forks with a microphone. Then, they analyse the frequency spectrum and the course of the amplitude of the recorded signal over ...

 
Detalles

Num.Producto: P6010400

Sonido y ruido

Principle

Oscillations can be transferred through a medium (e.g. air or wood) in the form of sound waves. An oscillation with exactly one oscillation frequency is called harmonic oscillation or pure oscillation. In the amplitude-time-diagram, such an oscillation corresponds to a sine ...

 
Detalles

Num.Producto: P6010500

Umbral inferior y superior de audición

Principle

The human ear registers deep and high sounds as well as faint and loud sounds. Are there limits or can we hear any kind of high and deep sounds? In this experiment, the students learn that the human ear can perceive sound only within a limited frequency range. For this purpose, ...

 
Detalles

Num.Producto: P6010600

Audición direccional

Principle

The human sense of hearing is not only used to perceive sound, it even enables us to localise the direction from which we hear sound signals. On the horizontal plane of orientation (left/right, front/back) as well as on the vertical plane of orientation (top/bottom, front/back), ...

 
Detalles

Num.Producto: P6010700

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