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elastance
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elastance
elastance Electr. (ɪˈlæstəns) [irreg. f. elastic + -ance.] The capacity of a dielectric for opposing an electric charge or displacement.1885 O. Heaviside in Electrician 9 Oct. 408/2 (bb). If in the final state (b), we unite P to Q by a second dielectric wire also of infinite capacity, we make a clos...
Oxford English Dictionary
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Elastance
Electrical elastance is the reciprocal of capacitance. The SI unit of elastance is the inverse farad (F−1). Elastance is also used in microwave engineering.
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elastivity
elastivity Electr. (iːlæˈstɪvɪtɪ) [irreg. f. elastic + -ivity.] The property of a dielectric by virtue of which the flow of current between points having difference of potential is restrained.1890, 1893 [see elastance].
Oxford English Dictionary
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Cervical weakness
hysterosalpingography and radiographic imaging of balloon traction on the cervix, assessment of the patulous cervix with Hegar or Pratt dilators, the use of a balloon elastance
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Farad
not shown)
μF (microfarad) = mf, mfd, uf
pF (picofarad) = mmf, mmfd, pfd, μμF
Related concepts
The reciprocal of capacitance is called electrical elastance
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permittance
† perˈmittance Obs. [f. permit v. + -ance: cf. admittance.] 1. = permission 1.1580 H. Gifford Gilloflowers Ep. Ded. (Grosart) 27 Hauing by your Worships fauourable permittance, conuenient oportunity in your seruice. a 1653 Gouge Comm. Heb. vi. 3 Our purposes must be submitted to Gods permittance. 17...
Oxford English Dictionary
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Myosin binding protein C, cardiac
Consistent with this notion, cMyBP-C knockout mice exhibit an abnormal systolic timecourse, with a shortened elastance timecourse and lower peak elastance
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permittivity
permittivity Physics. (pɜːmɪˈtɪvɪtɪ) [f. permit v. + -ivity.] One of the physical parameters of a medium, equal to the ratio of the electric displacement D to the electric field strength E at any point in it; also (more fully relative permittivity), the ratio of the permittivity of a medium to the p...
Oxford English Dictionary
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MYL2
In TG-RLC(P-), the time for the heart to reach peak elastance during ejection was elongated, ejection capacity was decreased and the inotropic response
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Capacitor-spring analogy
See also
Hydraulic analogy
Elastance
References
H.F.
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Arterial stiffness
Other terms that are used to describe the mechanical properties of arteries include elastance, or the reciprocal (inverse) of elastance, compliance.
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机械滤波器
元件
被动线性电路中的元件有电感元件、电容器及电阻器,分别具有电感, elastance(电容的倒数)及电阻的特性。在力学系统中也有对应的特性,分别是质量、刚度及阻尼。大部份的电子滤波器设计中,滤波器的主体只由电感元件和电容器组成(不过在输入端及输出端可能会加上电阻器)。
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Compliance (physiology)
It is the reciprocal of "elastance", hence elastance is a measure of the tendency of a hollow organ to recoil toward its original dimensions upon removal Blood vessels
The terms elastance and compliance are of particular significance in cardiovascular physiology and respiratory physiology.
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Lumped parameter model for the cardiovascular system
From the above equation, the passive elastance represents the minimum elastance of the heart chamber, whereas the sum of and the maximum elastance of The time-dependent elastance allows the computation of the pressure inside a specific heart chamber as follows:
where is the volume of blood contained
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Pressure–volume loop experiments
Other parameters derived from series of loops are:
Time-varying elastance
End-systolic elastance also called maximal elastance
Preload recruitable stroke
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