Principle and manufacturing method of metal detector

metal detector:

It is an instrument specially used to detect metal. In addition to detecting mines with metal casings or metal parts, it can also be used to detect wires hidden in walls, underground pipes and cables, and even underground. Treasure, found metal objects buried in the gro.......

Anti-aging foods that women need to know

In the modern era, fruits, vegetables and other various plants are increasingly changing traditional cosmetic methods. They are becoming one of the important ingredients of special effects skin care products. They protect our skin from environmental toxins, resist bacterial infections, and.......

Fertilizer Fermentation Mulberry Technology

1. Advantages Large and thick leaves, juicy juice, fast growth after eating, large knots. Mulberry leaf yield can increase production by 30%.

2. The main point is base fertilizer. In mid- and late December, 20 centimeters and 30 centimeters (width and depth) of troughs were excavat.......

Wuhan will issue a "** score system" 20 minutes a year**

Yesterday, the Municipal Health Bureau revealed at the management conference of the city's private hospitals that it is formulating the “Temporary Measures for the Management of Bad Practice Behavior in Medical Institutions in Wuhan” to score t.......

Ginseng Shading Shed Management New Technology

Burdock is a two-year-old herbaceous plant of the genus Aster, a genus of genus Asteraceae. It is also known as Toyo radish. According to the analysis of 4.1 grams of protein per 100 grams of fresh root, 0.1 grams of fat, 3.5 grams of carbohydrates, 1.5 grams of cellulose and calcium, phos.......

Celery allows chickens to lay eggs

Celery is a good feed for chickens. After feeding on layered celery, the egg production rate can be increased by 15%-20%. Feed the laying hens with celery as follows: Each laying hen is fed 3 times a week for about 50 grams each time. The celery leaves were directly fed and the celery stems we.......