Mechanism of Action. Ephedrine is a sympathomimetic amine - that is, its principal mechanism of action relies on its direct and indirect actions on the adrenergic receptor system, which is part of the sympathetic nervous system.
up vote 1 down vote. Pending request-It means that the person has just removed you from their Skype contact list but hasn't blocked you. You can however send them messages to them but can't call them. The person can call you if they want. You can send friend request again, if they removed you from contact list by mistake.
The chat feature of Skype allows you to send messages to your contacts in a real-time manner. If the contact who you sent the message to is offline, the message is kept in a pending status until your contact signs in to Skype again. If you have second thoughts about the message you sent and it is still in a pending status, you can delete the message and your contact will never see what you sent. Step 1. Log in to your Skype account. Step 2. Double-click the name of the contact in which you sent the pending message from your âContactsâ list.