Tribenuron, metsulfuron, and chlorsulfuron are all sulfonylurea herbicides. They have a wide spectrum of weed killing, both soil treatment and stem and leaf treatment effects. Mixing with glyphosate does not substantially affect their herbicidal efficacy.
Glyphosate is an inactivated herbicide and has a broad spectrum of weed control. It can control most types of grass weeds and broadleaf weeds, and generally does not need to be mixed with other drugs. Some leguminous and asteraceae weeds have strong resistance to glyphosate. When these weeds are mixed with other weeds, we may consider mixing glyphosate and 2 a 4 chlorine to improve weed control.
Glyphosate is the stem and leaf treatment agent. It loses its activity when it encounters soil, and it has no effect on the after-planting crops. The tribenuron, metsulfuron-methyl, and chlorsulfuron remain in the soil for a long period of time. After being mixed with glyphosate, many crops cannot be grown in the short term. In particular, metsulfuron-methyl and chlorsulfuron have a long residual period, and they have a longer residual period in alkaline soil and dry land. After application, they can easily cause phytotoxicity to multiple crops of post-planting crops. Jiangsu and other provinces have banned the use of these two species. medicine.
High Flow Nasal Cannula(HFNC) oxygen therapy is a form of non –invasive respiratory support, which comprises an air oxygen blender, an active humidifier, a single heated circuit and a nasal cannula. It delivers adequately heated and humidified medical gas up to 10-60L/min, and is considered to have a number of physiological effects: reduction of anatomical dead space, PEEP effect, constant fraction of inspired oxygen and good humidification.
It is widely used in RICU and ICU.
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