what is a activation
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Activation In immunology, activation is the transition of leucocytes and other cell types involved in the immune system. On the other hand, deactivation is the transition in the reverse direction.
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- recruitment. 1  the act or process of recruiting. 2  Physiology. an increase in the response to a stimulus owing to the activation of additional receptors, resulting from the continuous application of the stimulus with the same intensity.
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- We can also study enzymes in the context of activation energy. Many biochemical reactions need a little input of energy to jump-start a thermodynamically favorable reaction. The activation energy is the amount of energy needed for the reaction to go forward and get over its activation barrier. ATP (adenosine triphosphate), the cell’s energy carrier, needs a little help to get over its activation barrier.
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- 1 Activation — This is the process of entering your license key to turn on the full set of features available in a software package. 2  For example, if you download a free trial version of software, you may need to purchase and enter a license key to start using the full paid version.
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Origination fee An origination fee, or activation fee, is a payment associated with the establishment of an account with a bank, broker or other company providing services handling the processing associated with taking out a loan. An activation fee is typically a set amount for any account. However, an origination fee usually varies from 0.5% (half a point) to 2% (two points) of a given loan amount, depending on whether the loan was originated in the prime or the subprime market. For example, an origination fee of 3% on a £200,000 loan is £6,000. Discount points are used to buy down the interest rates, temporarily or permanently. Origination fees and discount points are both items listed under lender-charges on the HUD-1 Settlement Statement.
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activation energy Symbolically, activation energy is represented as Ea, and uses the units of kilojoules per mole of reactant. The Arrhenius equation gives the relationship between activation energy and the rate of a chemical reaction. E a = -RT*ln(k/A). In this equation, k is reaction rate constant, R is the universal gas constant, and T is the ambient temperature in kelvin.
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trigger activate-put in motion or move to act; trigger a reaction; actuate the circuits. actuate, set off, spark, spark off, touch off, trigger, trigger off, trip. initiate, pioneer-take the lead or initiative in; participate in the development of; This South African surgeon pioneered heart transplants.
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Function of Enzymes: Substrate, Active Site & Activation Energy Right now, you share a quintessential problem with some chemical reactions within a cell. These chemical reactions might be a lot of fun when you're in a cell, but it takes a lot of energy to get them started. This is called the activation energy, or the energy required for a reaction to start. You can think of activation energy as that energy you needed to muster up in order to push that snowball up and over the hill in your backyard in order to maximize the size of your snowball and get it to the other side.
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Function of Enzymes: Substrate, Active Site & Activation Energy This is called the activation energy, or the energy required for a reaction to start. You can think of activation energy as that energy you needed to muster up in order to push that snowball up and over the hill in your backyard in order to maximize the size of your snowball and get it to the other side.
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Microsoft Product Activation The Activation Wizard in Windows XP. Microsoft Product Activation is a DRM technology used by Microsoft Corporation in several of its computer software programs, most notably its Windows operating system and its Office productivity suite.
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- Volume Activation is a product activation technology used to activate Windows Vista, Windows Server 2008, Windows Server 2008 R2, Windows 7, Office 2010, Windows 8.1, Windows Server 2012 R2, Windows Server 2012 R2 for Embedded Systems, and Office 2013.
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- Energy of activation (EA) 1  amount of energy that reactants must absorb to start a chemical reaction. 2  can be thought of as an energy barrier. 3  since most reactions require energy to get started.  illustrated with jumping bean (JB) 1  analogy. solution for speeding up a reaction lies in enzymes.  protein molecules that serve as biological catalysts.
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Activation Energy and Temperature Dependence Reactions require an input of energy to initiate the reaction; this is called the activation energy (E A). Activation energy is the amount of energy required to reach the transition state. The source of the activation energy needed to push reactions forward is typically heat energy from the surroundings.
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activation energy A catalyst increases the reaction rate by providing a reaction mechanism with a lower activation energy, so that a greater proportion of collisions result in reaction. The activation energy and rate of a reaction are related by the equation k = A exp(- E. The Columbia Electronic Encyclopedia, 6th ed.
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- exists and is an alternate of. Merge this question into. Split and merge into it. Answer by Pkchoober. Confidence votes 73. In chemistry it is called a catalyst. Enzymes decrease the activation energy needed to start a reaction.
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- Muscle Activation Technique. MAT is a specific and unique process for evaluating an individual’s ability to develop efficient muscle contraction(s) by first measuring and comparing specific limb and trunk motions, as the human body tends to be symmetrical in its structure right side to left side.
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- LINK / CITE ADD TO WORD LIST. verb. A remote is used to activate the DVD player. A remote is used to activate the DVD player. The definition of activate means to start something. An example of activate is when the “play” button is pushed on the DVD player and it starts to play the disk. -·vat·ed, -·vat·ing. 1  to make active; cause to engage in activity.
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Behavioral activation Behavioral activation. Behavioral activation (BA) is a third generation behavior therapy for treating depression. It is one of many functional analytic psychotherapies which are based on a Skinnerian psychological model of behavior change, generally referred to as applied behavior analysis.
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Activation Energy of Enzymes: Definition, Calculation & Example Enzymes and Catalysis. Enzymes are proteins that reduce the energy required to achieve the transition state (Figure 2). Enzymes reduce the activation energy through a process called catalysis. A biochemical reaction when an enzyme is present is called a catalyzed reaction. Catalysis can happen in different ways. Enzymes can use the transfer of protons or electrons to the reactants to modify the state of the reactants.
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What is the Role of the Activation Function in a Neural Network? Now, the role of the activation function in a neural network is to produce a non-linear decision boundary via non-linear combinations of the weighted inputs. Bio: Sebastian Raschka is a 'Data Scientist' and Machine Learning enthusiast with a big passion for Python & open source. Author of 'Python Machine Learning'.
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- Types of Activation Functions. An activation function is defined by and defines the output of a neuron in terms of its input (aka induced local field) . There are three types of activation functions. Threshhold function an example of which is This function is also termed the Heaviside function.
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Arousal in Psychology: Definition Put simply, arousal is the state of being physiologically alert, awake, and attentive. Arousal is primarily controlled by the reticular activating system (RAS) in the brain.The RAS is located in the brain stem and projects to many other brain areas including the cortex.esson Summary. To sum things up, arousal is the state of being alert, awake and attentive. It's mainly controlled by the RAS in the brain. It can influence our behavior by preparing us to respond to different things in the environment.
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activation energy activation energy. noun, Chemistry. 1. the least amount of energy required to activate atoms or molecules to a state in which they can undergo a chemical reaction. activation energy. (āk'tə-vā'shən) The least amount of energy needed for a chemical reaction to take place. Some elements and compounds react together naturally just by being close to each other, and their activation energy is zero. Others will react together only after a certain amount of energy is added to them.
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Social Activation: Why Your Brand Needs to Aim Beyond âLikesâ Social activation is the act of transforming your social media followers from voyeurs, into participants, into ultimately, evangelists. Social activation occurs when fans and followers directly participate in the activities your brand lays out, such as contests, coupon redemption, and photo and experience sharing.
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activation activation - stimulation of activity in an organism or chemical. indweller - activation by an inner spirit or force or principle; the Holy Spirit is the indweller of the church and its members. stimulation - (physiology) the effect of a stimulus (on nerves or organs etc.)
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Technical Details on Microsoft Product Activation for Windows XP Modifications to hardware and how they affect the activation status of Windows XP. Product activation rechecks the hardware it is running only to help reduce illegal hard disk cloning — another prevalent piracy method. Hard disk cloning is where a pirate copies the entire image of a hard disk from one PC to another PC.