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Related Concept Videos

Basic Continuous Time Signals01:22

Basic Continuous Time Signals

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Basic continuous-time signals include the unit step function, unit impulse function, and unit ramp function, collectively referred to as singularity functions. Singularity functions are characterized by discontinuities or discontinuous derivatives.
The unit step function, denoted u(t), is zero for negative time values and one for positive time values, exhibiting a discontinuity at t=0. This function often represents abrupt changes, such as the step voltage introduced when turning a car's...
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Basic Discrete Time Signals01:16

Basic Discrete Time Signals

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The unit step sequence is defined as 1 for zero and positive values of the integer n. This sequence can be graphically displayed using a set of eight sample points, showing a step function starting from n=0 and remaining constant thereafter.
The unit impulse or sample sequence is mathematically expressed as zero for all n values except at n=0, where it is one. The unit impulse sequence, denoted by δ(n), is the first difference of the unit step sequence, while the unit step sequence u(n) is the...
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The Integrated Rate Law: The Dependence of Concentration on Time02:39

The Integrated Rate Law: The Dependence of Concentration on Time

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While the differential rate law relates the rate and concentrations of reactants, a second form of rate law called the integrated rate law relates concentrations of reactants and time. Integrated rate laws can be used to determine the amount of reactant or product present after a period of time or to estimate the time required for a reaction to proceed to a certain extent. For example, an integrated rate law helps determine the length of time a radioactive material must be stored for its...
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Venous Return01:04

Venous Return

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The circulatory system plays a crucial role in ensuring the optimal functioning of the human body. One of its critical components is venous return - the process that completes the blood circulation cycle. This article will delve into the concept of venous return, how it works, and its significance to our health.
What is Venous Return?
Venous return refers to the rate at which blood flows back to the heart from the body's peripheral veins. It's an integral part of the circulatory system...
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Internal Energy02:00

Internal Energy

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The total of all possible kinds of energy present in a substance is called the internal energy (U), sometimes symbolized as E. Suppose a system with initial internal energy, Uinitial, undergoes a change in energy (transfer of work or heat), and the final internal energy of the system is Ufinal. Change in internal energy equals the difference between Ufinal and Uinitial.
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Internal Receptors01:31

Internal Receptors

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Many cellular signals are hydrophilic and therefore cannot pass through the plasma membrane. However, small or hydrophobic signaling molecules can cross the hydrophobic core of the plasma membrane and bind to internal, or intracellular, receptors that reside within the cell. Many mammalian steroid hormones use this mechanism of cell signaling, as does nitric oxide (NO) gas.
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Related Experiment Video

Updated: Jan 29, 2026

Software for Analysis of Heart Rate and Blood Pressure Time-series Data from the Valsalva Maneuver
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Accounting Basics Part 3: Time Value and Internal Rate of Return.

Jason C Porter, Carole A South-Winter

    Radiology Management
    |February 7, 2019
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    Summary
    This summary is machine-generated.

    The Internal Rate of Return (IRR) method simplifies financial analysis for long-term planning. This financial metric allows for easy comparison and ranking of investment opportunities based on their projected returns.

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    Area of Science:

    • Finance
    • Investment Analysis

    Background:

    • The time value of money is a fundamental concept for successful financial planning.
    • Evaluating long-term financial decisions requires effective analytical tools.

    Purpose of the Study:

    • To introduce the Internal Rate of Return (IRR) as a method for analyzing long-term financial decisions.
    • To highlight the utility of IRR in comparing and ranking investment projects.

    Main Methods:

    • Utilizing the Internal Rate of Return (IRR) calculation.
    • Applying IRR for comparative analysis of multiple investment opportunities.

    Main Results:

    • The IRR provides a clear percentage, simplifying project comparison.
    • Investments can be ranked by IRR, facilitating fund allocation decisions.

    Conclusions:

    • The IRR method offers a straightforward approach to long-term financial decision-making.
    • IRR facilitates efficient ranking and selection of investment projects for optimal resource allocation.