Reduced heat dissipation starts from the requirement to reduce heat dissipation in the house. Open houses can seal north windows. Closed houses can minimize ventilation when harmful gases are not exceeded.
Anti-moisture Because the chicken lying on the damp mat grass will greatly increase the distribution of body heat, so we must constantly replace the mat grass and dry new grass.
The cold wind inside the cold wind shelter is generally from the doors, windows, etc., local wind speed sometimes up to 4-5 m / sec, must be blocked, and add baffles and installation flaps to prevent direct blow the chicken body. If there is a playground in the open chicken house, it is better to have a wind barrier in the northwest to prevent the west wind from hitting the chickens. After entering the winter, it is generally late to put chickens and chickens early in the cycle to try to shorten the time when the chickens are outdoors in cold weather; in case of snow and snow, the snow on the sports field should be cleared as soon as possible.
Anti-freeze is freezing of waterproof material, and drinking water must be added to the ground to keep water in the sink. It is best to give warm water to ensure that drinking water does not freeze. If we feed wet material, we must feed it now and feed it immediately after mixing to prevent freezing.
A microtome (from the Greek mikros, meaning "small", and temnein, meaning "to cut") is a tool used to cut extremely thin slices of material, known as sections. Important in science, microtomes are used in microscopy, allowing for the preparation of samples for observation under transmitted light or electron radiation.
Microtomes use steel, glass, or diamond blades depending upon the specimen being sliced and the desired thickness of the sections being cut. Steel blades are used to prepare sections of animal or plant tissues for light microscopy histology. Glass knives are used to slice sections for light microscopy and to slice very thin sections for electron microscopy. Industrial grade diamond knives are used to slice hard materials such as bone, teeth and plant matter for both light microscopy and for electron microscopy. Gem quality diamond knives are used for slicing thin sections for electron microscopy.
Microtomy is a method for the preparation of thin sections for materials such as bones, minerals and teeth, and an alternative to electropolishing and ion milling. Microtome sections can be made thin enough to section a human hair across its breadth, with section thickness between 50 nm and 100 Âµm.
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