Which reagent is used in hydroboration reaction? Borane dimethylsulfide Borane dimethylsulfide (BMS) is a complexed borane reagent that is widely used for hydroborations. Which catalyst is used in Hydroboration-oxidation reaction? In 1975, Kono and Ito reported that Wilkinson’s catalyst (Rh(PPh3)3Cl) can undergo oxidative addition with catecholborane (HBcat) or 4,4,6-trimethyl-1,3,2-dioxaborinane. These Read more…
Why we are named as Rotary and Rotaract? “Rotaract” stands for “Rotary in Action”, although the name originally comes from a combination of “Rotary” and “Interact” (International + Action), the high school level program created by Rotary International in 1962. Most Rotaract activities take place at the club level. What Read more…
What are the tall purple perennials called? Vervain (Verbena stricta) The tall purple perennial flowers produced on these plants are real standouts in the garden. Topping out at 4 to 5 feet in height, sun-loving vervain is among the most underused purple-flowering perennials. What is a tall spiky purple flower? Read more…
Why is my 5 month old puppy still peeing in the house? Urinary Tract Infection – Your puppy, usually female, is peeing in the house a LOT. Each pee is pretty small but it is frequent. Same outside. More likely with long-haired puppies as the hair, if not trimmed, can Read more…
Can you transfer a car tag to a motorcycle in Florida? Yes, VIN inspection with a Vehicle Identification Number and Odometer Verification Form required when transferring a motorcycle from another state. Do you need a motorcycle license to get a tag in Florida? If you just arrived in Florida and Read more…
Why were gothic novels created? Called Gothic because its imaginative impulse was drawn from medieval buildings and ruins, such novels commonly used such settings as castles or monasteries equipped with subterranean passages, dark battlements, hidden panels, and trapdoors. What is the first American Gothic novel? by Charles Brockden Brown Charles Read more…
When can you see cystic hygroma on ultrasound? A routine ultrasound during pregnancy can discover a cystic hygroma. At about 10 weeks of pregnancy, ultrasounds show some babies to have more fluid than normal at the back of the neck. This fluid appears as a large, clear space, referred to Read more…
How does autodigestion cause pancreatitis? Inflammation triggers autodigestion Besides producing insulin, the pancreas secretes digestive enzymes. Acute pancreatitis is characterized by pancreatic inflammation resulting in autodigestion, or the breakdown of pancreatic tissue by its own activated enzymes. (See Pathogenesis of acute pancreatitis.) Which enzyme causes autodigestion of pancreas? We postulate Read more…
What is 4150 steel? Hot rolled 4150 steel bar is a medium/high-carbon alloy steel that contains chromium and molybdenum. Hot rolled 4150 steel is known for its increased hardenability and mechanical properties. The machinability of 4150 steel bar is better in the annealed form. What is 4140 steel? 4140 steel Read more…
How do you write 10 digit numbers in international system? In the International number system, a 10-digit number is expressed by using commas just after every three digits from the right. The smallest 10-digit number is written as 1,000,000,000 and is called one billion. What is a 10 digit number? Read more…