Definition. 1  Troponins are specific proteins found in heart muscle. Troponin testing is done to diagnose heart attacks (myocardial infarctions). 2  When heart muscle is damaged, as in a myocardial infarction (MI), troponins leak out of cells and into the bloodstream.
Variable Ratio Schedule (VR) This is going to be a little confusing at first, but hang on and it will become clear. A variable ratio schedule (VR) is a type of operant conditioning reinforcement schedule in which reinforcement is given after an unpredictable (variable) number of responses are made by the organism. This is almost identical to a Fixed-Ratio Schedule but the reinforcements are given on a variable or changing schedule.
- 41-day Sabarimala Ayyappa Temple Vratam. Lord Ayyappa devotees who wish to go to. observe vratham or follow certain austerities for one mandalam season that is 41 days. The main aim of the Mandala Kala Vratam is to purify the mind and soul.The Mandalam season begins in the Malayalam month Vrichikam and ends in the middle of Dhanu month. Non-vegetarian food is totally avoided during the 41 day period. 2  Devotees try to consume freshly cooked vegetarian food. 3  Evening bath and visiting a shrine or puja at home is performed. 4  Most devotees observe Brahmacharyam (no sex or celibacy) during the vratham period.