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Heavy-metal ions may be carried into surface or ground water
from mining fields or via the waste water of galvanicor similar
production sites. They block the effect of enzymes so that the
processes in the metabolism of the organisms that are controlled by
these enzymes may be ...
Demonstration experiment using wireless data transmission to a large digital to display. Heavy metal ions can seep into water courses, for example from galvanising plants or other similar industries. They have the effect of suppressing the action of enzymes, so that the ...
Algunos gases como el cloruro de hidrógeno se disuelven muy bien
en agua. De esta manera, 1 litro de agua a 20 °C disuelve
aproximadamente 443 litros de cloruro de hidrógeno. En un matraz
tapado se forma rápidamente una presión negativa por el ...
The connection between electrical voltage and the resulting
current is measured with various test resistors.The quotient of
voltage and current is a constant value that characterises the
This experiment shows how much the quality of drinking water of
various locations in the same region can vary. The comparison of
tap water with bottled mineral water and distilled water leads to
The altitude profile of a hiking trail or route to school can be
measured during a school trip or as an exercise for the students.
The altitude profile can also be used to demonstrate that the
atmospheric pressure decreases when the altitude increases. As a
result, the experiment ...
The compact Cobra4 Weather multisensor makes for fitting out
your own weatherstation with little means. It allows the relations
between air pressure, humidity and temperature, and also
brightness, to be made understandable. Fluctuations over a period
of 24 hours are shown as an ...
The compact Cobra4 "Weather" multisensor can be employed as a
simple means to setup a weather station, which can then be used to
explain the relationship between the air pressure, humidity,
temperature, and the light intensity. The measurement combination
of a Cobra4 Mobile-Link ...
The drawing of maps is one of the favourite tasks of the
students during geography lessons and of a high didactic value. The
altitude measuring function of the Cobra4 Sensor-Unit "Weather" is
a user-friendly tool which provides altitude values so that contour
lines can be added ...
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