First, avoid adding sugar, urea, superphosphate, and potassium dihydrogen phosphate directly into the main ingredients when mixing. Doing so can lead to uneven nutrient distribution, which negatively affects the yield of edible mushrooms. Instead, these fertilizers should be fully dissolved in water before being mixed with the main substrate. Gypsum and lime, on the other hand, should be first blended into the bran and then combined with the main ingredients afterward. This ensures a more uniform and stable culture medium.
Second, when preparing the cultivation materials and forming the piles, avoid using your feet to press them down. This can create anaerobic conditions, preventing proper fermentation. Instead, let the material naturally accumulate, lightly compact it, and insert several ventilation holes in the center using wooden sticks. Avoid covering the pile with plastic film, as it restricts airflow. A better option is to use breathable materials like straw, sacks, or woven bags for covering.
Third, during sterilization, the bacterial material inside the stove should not be packed too tightly. Many producers tend to overfill and pack the containers densely, leading to long sterilization times of up to 30 hours, which is actually incorrect. The fungus logs should be placed loosely enough so that the temperature can reach 100°C quickly. Once the desired temperature is achieved, maintain it for about 10 hours, add a bit more fuel, and let it sit overnight. This method is both efficient and effective.
Fourth, when inoculating, make sure the sealing paper is fumigated, and the rubber rings and bacterial caps should be soaked in disinfectant. When using formaldehyde, potassium permanganate, or an aerosol box for fumigation, ensure the dosage is sufficient to reach the lethal concentration for pathogens. Otherwise, the disinfection process may not be thorough, increasing the risk of contamination.
Fifth, when using bagged strains, always clean the surface of the bacterial ends thoroughly. For bottled strains, each bottle should be used for one inoculation only. After finishing a bottle, all tools must be re-sterilized before proceeding with the next batch. Never place any bacterial cultures in boxes for inoculation, as this increases the chances of cross-contamination. Always follow strict hygiene protocols to maintain a clean and controlled environment throughout the process.
Pelvic External Fixation
There are two kinds of external fixations for pelvic fractures, namely temporary fixation and therapeutic fixation.
Temporary fixation depends on on-site assistance. Assuming that the patient has serious open injury, severe hemorrhagic shock, and serious fracture dislocation, the rescue personnel will provide temporary external fixation support to maintain the stability of the pelvis, reduce secondary injuries, and correct the continuous aggravation of hemorrhagic loss on the scene. The therapeutic external fixation stent is used to correct the dislocation of the fracture through routine examination after admission, evaluation of the injury, and external fixation installation through treatment, maintain the relative stability of the fracture, create a very quiet environment for the fracture healing, and lay the foundation for the healing of the fracture. External fixation is an important method for pelvic fractures.
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