This medication is a multivitamin and iron product used to treat or prevent vitamin deficiency due to poor diet, certain illnesses, or during pregnancy. Vitamins and iron are important building blocks of the body and help keep you in good health.
In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345. Warnings Accidental overdose of iron-containing products is a leading cause of fatal poisoning in children younger than 6 years. Keep this product out of reach of children. If overdose does occur, get medical help right away or call a poison control center. Precautions Before taking this product, tell your doctor or pharmacist if you are allergic to any of its ingredients; or if you have any other allergies. This product may contain inactive ingredients (such as soy found in some brands), which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
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Before taking this medication, tell your doctor or pharmacist your medical history, especially of: iron overload disorder (such as hemochromatosis, hemosiderosis), use/abuse of alcohol, liver problems, stomach/intestinal problems (such as ulcer, colitis).
An electromagnet is a type of magnet in which the magnetic field is produced by an electric current. Electromagnets usually consist of wire wound into a coil. A current through the wire creates a magnetic field which is concentrated in the hole in the center of the coil. The magnetic field disappears when the current is turned off. The wire turns are often wound around a magnetic core made from a ferromagnetic or ferrimagnetic material such as iron; the magnetic core concentrates the magnetic flux and makes a more powerful magnet.
Electromagnets are widely used as components of other electrical devices, such as motors, generators, electromechanical solenoids, relays, loudspeakers, hard disks, MRI machines, scientific instruments, and magnetic separation equipment. Electromagnets are also employed in industry for picking up and moving heavy iron objects such as scrap iron and steel.[2]
Danish scientist Hans Christian Ørsted discovered in 1820 that electric currents create magnetic fields. In the same year, the French scientist André-Marie Ampère showed that iron can be magnetized by inserting it in an electrically fed solenoid. British scientist William Sturgeon invented the electromagnet in 1824.[3][4] His first electromagnet was a horseshoe-shaped piece of iron that was wrapped with about 18 turns of bare copper wire (insulated wire didn't then exist). The iron was varnished to insulate it from the windings. When a current was passed through the coil, the iron became magnetized and attracted other pieces of iron; when the current was stopped, it lost magnetization. Sturgeon displayed its power by showing that although it only weighed seven ounces (roughly 200 grams), it could lift nine pounds (roughly 4 kilos) when the current of a single-cell power supply was applied. However, Sturgeon's magnets were weak because the uninsulated wire he used could only be wrapped in a single spaced out layer around the core, limiting the number of turns.
A common tractive electromagnet is a uniformly-wound solenoid and plunger. The solenoid is a coil of wire, and the plunger is made of a material such as soft iron. Applying a current to the solenoid applies a force to the plunger and may make it move. The plunger stops moving when the forces upon it are balanced. For example, the forces are balanced when the plunger is centered in the solenoid.
Some improvements can be made on the basic design. The ends of the stop and plunger are often conical. For example, the plunger may have a pointed end that fits into a matching recess in the stop. The shape makes the solenoid's pull more uniform as a function of separation. Another improvement is to add a magnetic return path around the outside of the solenoid (an "iron-clad solenoid").[12][13] The magnetic return path, just as the stop, has little impact until the air gap is small.
Much stronger magnetic fields can be produced if a "magnetic core" of a soft ferromagnetic (or ferrimagnetic) material, such as iron, is placed inside the coil.[1][2][16][17] A core can increase the magnetic field to thousands of times the strength of the field of the coil alone, due to the high magnetic permeability μ of the material.[1][2] This is called a ferromagnetic-core or iron-core electromagnet. However, not all electromagnets use cores, and the very strongest electromagnets, such as superconducting and the very high current electromagnets, cannot use them due to saturation.
The material of a magnetic core (often made of iron or steel) is composed of small regions called magnetic domains that act like tiny magnets (see ferromagnetism). Before the current in the electromagnet is turned on, the domains in the soft iron core point in random directions, so their tiny magnetic fields cancel each other out, and the iron has no large-scale magnetic field. When a current is passed through the wire wrapped around the iron, its magnetic field penetrates the iron, and causes the domains to turn, aligning parallel to the magnetic field, so their tiny magnetic fields add to the wire's field, creating a large magnetic field that extends into the space around the magnet. The effect of the core is to concentrate the field, and the magnetic field passes through the core more easily than it would pass through air.
In many practical applications of electromagnets, such as motors, generators, transformers, lifting magnets, and loudspeakers, the iron core is in the form of a loop or magnetic circuit, possibly broken by a few narrow air gaps.[2] This is because the magnetic field lines are in the form of closed loops. Iron presents much less "resistance" (reluctance) to the magnetic field than air, so a stronger field can be obtained if most of the magnetic field's path is within the core.[2]
The main nonlinear feature of ferromagnetic materials is that the B field saturates at a certain value,[2] which is around 1.6 to 2 teslas (T) for most high permeability core steels.[18][19][20] The B field increases quickly with increasing current up to that value, but above that value the field levels off and becomes almost constant, regardless of how much current is sent through the windings.[2] So the maximum strength of the magnetic field possible from an iron core electromagnet is limited to around 1.6 to 2 T.[18][20]
Both iron-core and superconducting electromagnets have limits to the field they can produce. Therefore, the most powerful man-made magnetic fields have been generated by air-core nonsuperconducting electromagnets of a design invented by Francis Bitter in 1933, called Bitter electromagnets.[25] Instead of wire windings, a Bitter magnet consists of a solenoid made of a stack of conducting disks, arranged so that the current moves in a helical path through them, with a hole through the center where the maximum field is created. This design has the mechanical strength to withstand the extreme Lorentz forces of the field, which increase with B2. The disks are pierced with holes through which cooling water passes to carry away the heat caused by the high current. The strongest continuous field achieved solely with a resistive magnet is 41.5 tesla as of 22 August 2017[update], produced by a Bitter electromagnet at the National High Magnetic Field Laboratory in Tallahassee, Florida.[26] [27] The previous record was 37.5 T.[28] The strongest continuous magnetic field overall, 45 T,[25] was achieved in June 2000 with a hybrid device consisting of a Bitter magnet inside a superconducting magnet.
Spinach is a nutritious and plant-based source of iron, a mineral that is crucial in transporting oxygen in the blood. Iron is also important for maintaining healthy pregnancies, supporting the immune system, and aiding digestive processes.
Leonardo DiCaprio is "The Man in the Iron Mask" and also King Louis XIV in this re-telling of the famous Dumas story. He is surrounded in a sumptuous production by a stellar cast that includes Gabriel Byrne, John Malkovich, Gerard Depardieu and Jeremy Irons. The oft-filmed plot concerns the twin brother of the cruel, selfish Louis IV who is guarded loyally by D'Artagnan. Phillipe, the twin, was taken from his mother at birth and once found by the King, imprisoned and placed in an iron mask to hide his identity. When the poverty and the uprisings become too much, Aramis (Irons), who knows of Phillipe's existence, breaks him out of prison with the help of Porthos (Depardieu) and Athos (Malkovich) with the idea of having him replace Louis at an upcoming masquerade ball. It falls to Athos, who has just lost his son Raoul in war because of Louis' lust for Raoul's fiancée, to teach Philippe how to be king in a short time. Things do not go as planned.
This tremendous cast and huge production make for absorbing viewing, different yet as entertaining as the Richard Chamberlain TV version and the Louis Hayward version in the 1930s. Here the emphasis is on the old Musketeers, which works well - Porthos who feels his age and misses the old lusts, the grieving Athos and Aramis, given an impossible job by Louis, which means that Louis must go; and, of course, D'Artagnan, fiercely loyal to his King and insisting that he can be molded into a great ruler, despite evidence to the contrary. The acting is fabulous - there really isn't a standout among the four men as they are all so good.
Leonardo DiCaprio creates two completely different characters with Louis and Philippe and does an excellent job. Though he was trending toward matinée idol/chick flick territory, he pulled himself out to take on weightier roles - though there's no doubt this film was meant to bring in the teenagers. And what's wrong with that - a classic story once in a while won't kill them.
Entertaining viewing.