A typical product manufactured using micromachining technology is a silicon micro pressure sensor, which has formed an industry in Japan and Europe. Silicon micro pressure sensors have developed rapidly in recent years, and the sensors are mainly used in the automotive indust…
When the crops have been infected, what measures should be taken to control them? The following is an example of rice.
The main pests and diseases of rice include rice planthopper, rice leaf roller, rice stem borer, …
Paddy fields are cultivated year after year. Not only do they have to absorb large amounts of nitrogen, phosphorus, and potassium and a certain amount of calcium, magnesium, sulfur, and iron from the soil, but also absorb small amounts of chlorine, zinc, manganese, boron, and copper. Trace…
Summer is the most likely season for people to get angry all year round. According to Chinese medicine practitioners, anger is mainly caused by irregular life and depressed mood. Therefore, acne and dizziness headaches are common among people with anger and anger, and they have a great imp…
The Guangdong Provincial Development and Reform Commission recently issued the "Notice on canceling the maximum retail price for s…
First, rotifers as the main bait for pod-like larvae
The traditional method of cultivation in the cocoon stage is based on feeding, fertilizing and inoculating unicellular algae in the nursery room, and is mainly fed with spirulina powder, egg yolk, yeast and other baits. The autho…
Chinese cabbage is usually the main leafy vegetable that is eaten by northerners for half a year. The goal of fertilization is to achieve both the high yield and the high quality. According to the nutritional characteristics of Chinese cabbage, its ratio of nitrogen, phosphorus, and potass…
Recently, Peking University Third Hospital conducted a 3D print transplant operation, which is one of the largest real-world tests so far. Through the operation, the doctor successfully implanted the first 3D printed vertebra into the body of a 12-year-old cancer boy.
Breeding breeds
The basis for breeding a standard rooster that meets the standards of body weight and physical fitness is selection. When selecting chicks, farmers must choose breeder farms with strict epidemic prevention, good breeder quality and high hatching rate, and choose liv…
