Without cutting due to the low temperature and nutrient accumulation in the summer, the consumption is large, affecting the growth of the plants, and the tissue fibers of the leaves increase, the texture is rough, and the growth is weakened to show the phenomenon of resting and resting. At this ti ...more...

Many people like to eat chicken heads, duck heads, goose heads and fish heads. Indeed, the heads of these fish and poultry are very tasty and their nutritional value is also high. However, these "heads" are also harmful. Take chickens, folks said: Ten years of chicken head game arsenic. ...more...

1. Remember to be empty (be sure to insert the ultrasonic horn into the sample before turning it on) 2, the horn (ultrasound probe) water depth: 1.5Cm or so, the liquid level is preferably 30mm or more, the probe should be centered, do not stick. Ultrasonic waves are vertical longitudinal waves. If ...more...

Two-box thermal shock test chamber, high and low temperature impact environment testing machine The thermal shock test chamber, also known as the environmental test machine, tests various materials for heat resistance, cold resistance, dry resistance and moisture resistan ...more...

The effect of temperature increasing fermentation aids in greenhouses has good comprehensive economic benefits and ecological benefits. The main manifestations are as follows: (1) The effect of warming and heat preservation is obvious: Generally, the ground temperature of 20 centimeters can be inc ...more...

There are many gas consumption factors for nitrogen blowing instruments , such as nitrogen flow rate, whether there is a water bath, the boiling point of the solvent, and the like. In the past, we used a 12-stage nitrogen blower with a water bath function. The solvent ...more...

When the rice harvester malfunctions, the cause of the fault should be identified and eliminated as soon as possible. Otherwise, it will delay farming and cause losses. Rice harvester failure inspection method should generally use "5 words" to see, smell, hear, feel, check. One is to se ...more...