Out-of-Pocket Threshold
@100% of eligible expenses during a calendar year
They both are reached are approx the same time, it is thought to be that the large change (drop) in blood pH when the lactate threshold is reached is causes ventilation to increase rapidly to try and counteract this blood pH change. The lactate threshold itself is just the point at which lactate removal can no longer keep up with lactate production.
The action action potential produced needs to reach the threshold for the AP to be propagated. If it doesn't reach the threshold, there is not enough Na+ to stimulate the positive feedback system which allows the action potential to be self-propagated. Instead, K+ channels will be opened, and it will enter repolarisation phase, and the AP wll not be conducted.
the all or none law
Fast Calcium
A threshold for a tax payment is a level above which some provision of the tax is applicable. So when you are "over the threshold" you have reached a level where some addtional aspect of payroll tax applies to you.
It sends an alert message to the management station when a threshold is reached.
You qualify for a federal tax refund if you have reached the tax reporting threshold and filed for income taxes. The tax reporting threshold varies depending on your age and marital status.
Sport scientists use lactate monitoring to deduce a persons anaerobic limit.
It depends on the strength of the stimulus. A threshold voltage has to be reached before the nerve can be stimulated.
If income is earned in the year of full retirement age, the 2008 income threshold is $36,120. If income is earned prior to the year of full retirement age, the 2008 income threshold is $13,560. After those thresholds are reached, social security benefits are reduced. The excess earnings reduction is $1 of Social Security benefits for every $2 of earnings over the lower threshold for people who are not yet in the year they reach full retirement age. In the year a person reaches full retirement age, the excess earnings reduction is $1 of Social Security benefits for every $3 of earnings over the higher threshold. During the month of reaching full retirement age and thereafter, beneficiaries can earn an unlimited amount without a reduction in their Social Security benefits.
Once the threshold has been reached the fast sodium channels open and sodium ions rush into the cell.
It simply and completely self destructs. You see, once the threshold is reached it no longer can sustance its physical structure due to power surges. This results in an power overload just like when a star such as the sun reaches critical level and eventually explodes resulting in a Supernova.