The alcohol（spirit） and kerosene in the thermometer are usually dyed red，So the alcohol thermometer and kerosene thermometer are collectively called red thermometer.

Luteinizing hormone (LH) is a hormone whose content changes periodically with a woman’s menstrual cycle. Its role is to stimulate the release of mature eggs

B-scan during pregnancy is very important. The B-Ultrasound in the first trimester is an important basis for confirming pregnancy. Check whether the fetus is developing

pregnancy test principle This strain is made of human chorionic gonadotropin (HCG) antibody and anti-mouse IgG, respectively, solid-phase nitrocellulose membrane and colloidal gold-labeled anti-HCG monoclonal

1.The principle of plaster of pairs bandage fixation The gypsum reacts chemically with water and gradually dries and releases heat. At this time, the patient

As medical bandages are routine items in hospital treatment, it is very important for a medical seller to distinguish their types.The type of medical bandage

Types of medical gauze   Injuries in life are inevitable, and how to choose the right gauze to treat the wound is very important. Next,

How to use gauze swab how to use gauze swab The main function of gauze bandages is to bandage wounds, which can play a role