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Lecture 10: Tokamak continued
Lecture 10: Tokamak continued

... Note that it has, as far as possible a closed structure. This to allow the efficient pumping of the neutral particles Note also that the angle between the magnetic field and the plate is as small as possible. This makes that the energy carried by the particles to the plate is distributed over the la ...
Document
Document

... Ampere’s force law describes an “action at a distance” analogous to Coulomb’s law. In Coulomb’s law, it was useful to introduce the concept of an electric field to describe the interaction between the charges. In Ampere’s law, we can define an appropriate field that may be regarded as the means by w ...
Period 17 Activity Solutions: Induction Motors and Transformers
Period 17 Activity Solutions: Induction Motors and Transformers

... around the disc. 3) How does the magnet induce a current in the superconducting disc? When the magnet is moved into place above the disc, its motion creates a changing magnetic field that induces a current in the disc. The current flowing in the disc induces a magnetic field around the disc. The mag ...
Fulltext PDF
Fulltext PDF

magnetic flux - WordPress.com
magnetic flux - WordPress.com

... it. It is this opposition against which we perform mechanical work in causing the change in magnetic flux. Therefore, mechanical energy is converted into electrical energy. Thus, Lenz’s law is in accordance with the law of conservation of energy. If, however, the reverse would happen (i.e. the induc ...
magnetic flux
magnetic flux

Slide 1
Slide 1

... it. It is this opposition against which we perform mechanical work in causing the change in magnetic flux. Therefore, mechanical energy is converted into electrical energy. Thus, Lenz’s law is in accordance with the law of conservation of energy. If, however, the reverse would happen (i.e. the induc ...
Magnets - West Ada
Magnets - West Ada

... poles attract. Attraction happens because the magnetic field likes to flow in one direction, from the North Pole to the South Pole. So, when the North Pole of one magnet is next to the South Pole of another magnet, the magnetic field is able to flow in the correct direction very easily. In addition ...
11. Archaea and Bacteria
11. Archaea and Bacteria

chapter 9
chapter 9

Differential and Selective Bacterial Growht Media & Colony Morpology
Differential and Selective Bacterial Growht Media & Colony Morpology

... MacConkey’s media is both selective & differential. 1. Selective because it only grows Gram-negative bacteria. Inhibits the growth of Gram-positive bacteria. ...
Meet the Prokaryotic Microbes PowerPoint Lecture
Meet the Prokaryotic Microbes PowerPoint Lecture

Electron Spin Resonance
Electron Spin Resonance

... and we refer to the component of the magnetic moment along the z axis by substituting h/4 for the magnitude of the angular momentum along this axis, so that e = ge(q/2m)(h/4). The g-factor for the electron is now known to high accuracy through both experiment and theory to be 2.002319134. The ene ...
BI280 Principles of Microbiology w-Lab
BI280 Principles of Microbiology w-Lab

... 2. Demonstrate an understanding of microbial genetics and its significance in nature and genetic engineering/biotechnology for today’s society. 3. Demonstrating an understanding of the interactions of microbes and humans. 4. Demonstrate an understanding of the interactions and impact microorganisms ...
plaque - WordPress.com
plaque - WordPress.com

... surface, plaque growth is negligible from clinical view point. • Following 3 days, plaque growth increases at a rapid rate, then slows down. • After 4 days, on average 30% of total tooth crown area will be covered with plaque. Plaque does not seem to increase substantially after 4th day. • There wil ...
Electric Pollution_Brochure
Electric Pollution_Brochure

... whole, shown no consistent association between electric or magnetic field exposure and increased risk of cancer or other disease. Key Points • Electric and magnetic fields are present wherever we use electricity. • Electric fields exist wherever there is electricity present in a wire or appliance, e ...
Clostridium botulinum
Clostridium botulinum

... – Foodborne botulism: ingestion of exotoxins from a contaminated food source that contains infectious C. botulinum spores – Wound botulism: bacteria contaminates a wound and secretes the neurotoxin into the bloodstream ...
Microbiology Learning Framework
Microbiology Learning Framework

... List the common features of vectors used for cloning. List one example in medicine or in agriculture when bacteria acquired new genes that resulted in an altered cell function. Describe the mechanisms by which orthologs and paralogs arise. Discuss how horizontal gene exchange contributes to the evol ...
Self-Biased 215MHz Magnetoelectric NEMS Resonator for Ultra-Sensitive DC Magnetic Field Detection
Self-Biased 215MHz Magnetoelectric NEMS Resonator for Ultra-Sensitive DC Magnetic Field Detection

... electrically unshielded lab environment. Figure 3 shows the admittance amplitude of the magnetoelectric sensor starting from 50pTesla bias magnetic field by exciting the RF NEMS magnetoelectric resonator at one single frequency between the series and parallel resonances where the slope of admittance ...
some tests to confirm the companion wave
some tests to confirm the companion wave

PowerPoint
PowerPoint

... can rotate about x axis without friction. A uniform field B points along the +z axis. Assume a, I, and B are known. How much does the potential energy of the system change as the coil moves from its initial position to its final position. ...
Nitrogen cycle and blue green algae (1) - Wageningen UR E
Nitrogen cycle and blue green algae (1) - Wageningen UR E

An Analysis of Human Pathogens Found in Horse/Mule Manure
An Analysis of Human Pathogens Found in Horse/Mule Manure

... Sierra water. Y enterocolitica was isolated from 1 wild animal estimated to be a medium-sized mammal. This is consistent with previously published studies. One study of 34 sites of lake and stream water in the Mammoth Lakes areas found Y enterocolitica at 10 of the sites.[25] Another study isolated ...
magnitize! - knomi.net
magnitize! - knomi.net

Lesson 35. Spore forming Anaerobes
Lesson 35. Spore forming Anaerobes

< 1 ... 30 31 32 33 34 35 36 37 38 ... 142 >

Magnetotactic bacteria

Magnetotactic bacteria (or MTB) are a polyphyletic group of bacteria discovered by Richard P. Blakemore in 1975, that orient along the magnetic field lines of Earth's magnetic field. To perform this task, these bacteria have organelles called magnetosomes that contain magnetic crystals. The biological phenomenon of microorganisms tending to move in response to the environment's magnetic characteristics is known as magnetotaxis (although this term is misleading in that every other application of the term taxis involves a stimulus-response mechanism). In contrast to the magnetoception of animals, the bacteria contain fixed magnets that force the bacteria into alignment — even dead cells align, just like a compass needle. The alignment is believed to aid these organisms in reaching regions of optimal oxygen concentration.
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