Syringes are the most commonly used medical devices in medical institutions. According to reports, the annual sales volume of disposable syringes in the international market is as high as 1.2 billion. However, the traditional syringe must be injected into the skin (or vein) by the needle t
Read MoreWith the blowing of the cold wind, the “big snowfall†also came. In this cold winter, it is believed that even those who love beauty will want to start eating some delicious food to make up for their cold body. However, we usually eat too much meat, and we should not eat too greasy foo
Read MoreIf there is a deficiency of sulphur-containing amino acids, use products containing more sulphur-containing amino acids, such as: feather powder, wool eggs, etc.; if it is caused by parasites, insect insects, use ivermectin or abamectin. Or eliminate intramuscular injection, or partially wipe tric
Read MoreAlso known as Land Dragon and Qufu. Attending snakes, three insects, scorpion poison, kill worms. Turn it into water, treat typhoid, jaundice, fever, fever, and drinking water. It will go mud, with salt into water, the main day of all the heat, epilepsy in children, coated erysipelas, apply paint
Read MoreBoth sugar cane and fruit cane are rich in sucrose, cellulose and mineral nutrients. They are used to feed bamboo rats during the cold period in winter. They can supplement energy and enhance the cold resistance of bamboo rats, making the bamboo rat in cold weather. As fast as it grows, it quickly
Read MoreMany women face the problem of dysmenorrhea. To eliminate physical pain, one can rely on diet to regulate, not all foods will be eaten during menstruation period, then dysmenorrhea can not eat what? Here are some foods that are not suitable for menstrual period. 1, cold and cold food Women's
Read MorePrimer concentration calculation: Primers are stable at high concentrations. The primers are generally formulated to be 10-50 pmol/ul. In general, it is recommended to set the concentration of the primer to 50 pmol/ul, and the volume of water (microliter) is calculated as follows: V (microliter) =
Read MoreEdible oil common errors inventory “Oil†is a food that people must eat every day, so whether its usage is scientifically important for human health, if used improperly, it may even cause cancer. Experts have put forward many practical suggestions on the misunderstandings that people
Read MoreChicken manure is a kind of organic fertilizer with comprehensive nutrition and high protein content. It is also rich in trace elements such as nitrogen, phosphorus, potassium, copper, iron, zinc and manganese. Chicken manure is used as fertilizer, fertilizer, and water for fish culture. It was on
Read More1. Use resistant varieties. This is the main way to prevent millet rust, and the disease-resistant varieties and hybrid combinations are selected based on local conditions. For example, Yugu No. 2 and Gao 39 are used as resistant varieties. 2. Reasonable irrigation and fertilization. Timely exclu
Read More1, selection, site preparation For cultivated licorice, sandy loam with deep soil and low groundwater level should be selected, and cultivating about 30 centimeters. At present, more flat work is done and very few are used for high beds; for good drainage and irrigation, the land can also be made
Read MoreLi Dong is a very important solar season, and it is also the best time for people to supplement. Li Dongdan can literally be interpreted as: "Ling, construction is also the beginning of the winter, and the end is also the collection of all things." Lidong means the advent of winter. As e
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