Doppler echocardiography. Doppler echocardiography is a procedure that uses ultrasound technology to examine the heart or blood vessels. An echocardiogram uses high frequency sound waves to create an image of the heart while the use of Doppler technology allows determination of the speed and direction of blood flow by utilizing the Doppler effect.
Confidence votes 35. Watermelons are thought to be indigious to Africa where they have been found growing wild. In the 1600s there were watermelon growers in Massachusetts and Florida. Watermelons can be grown almost anywhere but do best in humid areas.I have a freind in Montrael who grows watermelons.He uses black plastic on the ground to amplify the suns heat.n the 1600s there were watermelon growers in Massachusetts and Florida. Watermelons can be grown almost anywhere but do best in humid areas. I have a freind in Montrael who grows watermelons. He uses black plastic on the ground to amplify the suns heat.
3. Plant the seedless watermelon seeds next seeded watermelons. The seedless watermelon (called triploid) must be grown next to regular watermelon (called diploid.) This is because seedless watermelon is sterile and unable to pollinate itself.The regular watermelon then assists to pollinate the seedless watermelon in order for it to bear fruit.he seedless watermelon (called triploid) must be grown next to regular watermelon (called diploid.) This is because seedless watermelon is sterile and unable to pollinate itself. The regular watermelon then assists to pollinate the seedless watermelon in order for it to bear fruit.