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What does refactory mean?
a dinning hall in a religious or academic institution .
What period is it when a cell is unable to accept another stimulus?
refactory period
Which term referes to the period whereby no impulse can be generated even with intense stimulation?
Absolute refactory period
What is relative refactory period?
The relative refractory period is the phase of the cardiac action potential during which a stronger-than-usual stimulus is required to elicit another action potential. It occurs immediately following the absolute refractory period and allows for the heart muscle to be able to respond to a second, stronger stimulus after the initial action potential.
Which term refers to the period whereby no impuls can be generated even with intence stimulation?
The term for the period where no impulse can be generated despite intense stimulation is known as the absolute refractory period. During this time, the cell membrane is unable to propagate another action potential, ensuring that signals are unidirectional and preventing the possibility of signal backflow.
What is a refactory period?
Refractory period is the period after a stimulus is given when something needs to recover in a resting state before it can respond to stimulus again. It is a term used in both physiology and psychology.
What is the mineral olivine used for?
Some very good olivine samples can be used as a gemstone (they are called peridot, then, after the french word for olivine). Olivine also reacts with CO2, and because of this, it can be used to remove CO2 from the atmosphere. The actual usability of this is still a field of research, but it is estimated that 1 kg of olivine can remove the CO2 produced by burning 1 liter of oil. Olivine is quite common, so this can prove to be a very popular method.
What is blast fernace?
A blast furnace is used to create pig iron from iron ore. It is a large vertical chamber lined with refactory (heat resistant) material into which iron ore, lime and charcoal is dropped. The charcoal is burned, with the help of compressed air blowin into the bottom of the chamber via ducts called tuyere's. This generates enough heat for the charcoal to react with the iron ore, effectively stripping out the excess oxygen and leaving the iron behind. After the process has run for some time, the impure pig iron is drained from the bottom of the chamber. The pig iron gets its name from the grid of ducts the iron was drained into, because it resembed piglets suckling alongside the mother.
What are refractory materials?
They are materials , usually bricks, made with silicon oxides, that will withstand extremely high heat, without decomposition or chemical reaction. e.g. Blast Furnaces are internally lined with refactory bricks to with stand tha 1100 oC temperature of the furnace. The metal shell/chassis of the furnace would melt. Outside these refractory bricks is a water jacket to prevent heat escaping, into the outside environment.
Is burning magnesium an oxidation-reduction reaction?
Yes, burning magnesium is an oxidation-reduction reaction. When magnesium metal burns, it reacts with oxygen in the air to form magnesium oxide, with magnesium being oxidized and oxygen being reduced.
How can you go longer in bed?
There are a few ways you can last longer while having sex. One way is to masturbate before sex, this usually works, but you also have to worry about the refactory period in some cases. Another way is to focus on something other than the sex, like a wall or lamp ( don't stare excessively long either or she may notice and think your not enjoying the intercourse). You can masturbate often as well, practicing to control orgasms and last as long as possible before climaxing is a very effective way to increase sexual stamina. Lastly, practice makes perfect! Sex feels much better ( to most people) than pleasing oneself, so getting more experience sexually with your partner will increase your longevity. Hope these tips work out for you.
What are the common uses of magnesium oxide?
Magnesium oxide (MgO) is a compound which is formed when oxygen (a gas & non-metal) from the air reacts with magnesium (a metal) to form a white powder known as magnesium oxide, a non-metal. Usually, heat is what makes the two elements (magnesium and oxygen) react. In food, magnesium oxide is used to prevent caking.
