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  1. ...覺得佢講到好似同action potential 差唔多.. 其實並非一樣,是有小小分別的.首先,在 resting potential 時,axon 外面的charge是正[因為這時Na+在axon 外面的濃度高過在axon入面的...

    分類:科學及數學 > 生物學 2007年04月02日

  2. ...energy In case the electric charge of an object can be assumed to be at rest , it has potential energy due to its position relative to other charged objects...

  3. ... by the sodium-potassium ATPase supports not only the cell resting potential but the action potentials of nerves and muscles. Export...

    分類:科學及數學 > 生物學 2006年11月07日

  4. ... and osmotic level 2.對人有咩用? (黎條可以五answer) (1)To maintain the resting potential of the nerve.That is the voltage for an unstimulated nerves. (2...

    分類:科學及數學 > 化學 2007年01月30日

  5. ...陽離子向細胞外運送,使得胞膜和鄰近地區保持一定的電位差,叫做靜止電位( resting potential )。我們也可以說胞膜是處在一種極化狀態(polarized)下。因為是陰離子...

    分類:家居與園藝 > 園藝 2006年10月23日

  6. ... where q is the charge(in Coulombs) and V is the potential diference (p.d) in volts thus (1/2)m.v^2 = qV where m is...

  7. ...10-6)/(4π × 3 × 8.85× 10-12) = +29973 V Therefore the change in potential is: VB - VA = +11989 V (b) First of all, the loss...

  8. Gravitational potential energy after integration = -GMm/ r + C C =constant We can write...which look clumsy If we take r1----> infinity, C--->0 Then potential energy U becomes: = -GMm/ r with zero potential energy at infinity...

  9. ...in simple harmonic motion, except those on the nodes, which are always at rest . Hence, both potential and kinetic energy of the nodes are zero...

  10. ..., for Q2, the k.e. of an electron accelerated over a potential difference of V is given by eV, where e is the...