Release date: 2007-10-10 US researchers develop new devices to treat meniscus injury The University of Missouri announced that the school's researchers have developed a new medical device for the treatment of knee meniscus injury, which can effectively repair meniscus tears. The meniscus is ---MORE---
Release date: 2007-10-15 Clinical epidemiological analysis of pelvic fractures Pelvic fractures are mostly male and young; most of them are caused by high-energy trauma, and the incidence of combined injuries is extremely high, which is prone to shock. Strengthening trauma rescue training and ---MORE---
The crab is popular with domestic and foreign consumers for its rich nutrition and delicious meat. At present, river crabs have become the main aquaculture species in various regions. The crab breeding industry has been transformed from the “large crabs†that pursue yield to the raisin ---MORE---
The no-tillage live-sowing technology of summer corn mainly has the following advantages. First, to reduce farm consumption time and strive for agriculture, especially in areas with insufficient heat resources, no-till direct seeding can effectively extend the growth time of summer corn. The second ---MORE---
When the tractor just tilts its head, the front wheel just left the ground and you can step on the clutch pedal. Let the front wheel land and brake immediately. If the head tilt angle is large, but there is no danger of overturning, you can immediately step on the clutch pedal teeth, brake pedal, s ---MORE---
Caterpillar tractors, combine harvesters, straw returning machines, and other farmland work machines, when operating in the field, are likely to be pulled off due to large traction resistance or untimely maintenance. Here's how to remove broken bolts. 1. Remove the dirt from the broken end of ---MORE---
First, master hare estrus law. The female rabbit showed excitement during estrus, grabbed the cage, and bite the trough; bloated and swollen vagina; some hares also had mane, sedge mat litter and other behavior. If the rabbits are raised in groups, there will be mutual pursuit of mating. Second, t ---MORE---