Ví dụ về việc sử dụng Pyrethroids trong Tiếng anh và bản dịch của chúng sang Tiếng việt
{-}
-
Colloquial
-
Ecclesiastic
-
Computer
Pyrethroids kill insects by direct contact or when eaten.
Compounds that end in“thrin,” such as bifenthrin, permethrin and cypermethrin,are all pyrethroids.
Pyrethroids such as permethrin are synthetic insecticides based on natural pyrethrum.
Of all the smoke bombs from the cockroaches in the apartment aremost suitable those with active substances in which are pyrethroids.
Natural analogues of pyrethroids- pyrethrins- are contained, for example, in flowers of Dalmatian chamomile.
Mọi người cũng dịch
Only in the 40's it was possible to synthesize in greater volumes more resistant insecticides- allethrin and tetramethrin-called pyrethroids.
Pyrethroids Pesticide Tetramethrin can quickly knock down mosquitoes, flies and other flying insects and can repel cockroach well.
Increased attention should be shown to the owners of cats and cats-these animals are very sensitive to pyrethroids in general and to deltametin in particular.
Like all pyrethroids, cypermethrin acts on the nervous system of insects, paralyzing both larvae and adult individuals of bed bugs.
That is, despite having no pesticidal activity of its own, it enhances the potency of certain pesticides such as carbamates,pyrethrins, pyrethroids, and rotenone.
Aerosol preparations based on pyrethroids- Permethrin, Cypermethrin- are usually applied in two approaches with a break of five to seven days.
All modern preparations with the word"Dichlorvos" in their name do not have a relation to the actual chemical substance,but contain pyrethroids, sometimes Piperonyl butoxide.
I wanted to pour a sofa with veterinary pyrethroids, in the summer there were somewhere in the apartment 25-30+ poisons, but they, in short, died.
Mariana, nits disappear, what a fascinating reading I have experience with full marks and Paranitis, both good tools,without poisons like pyrethroids or malathion, on silicones.
The apartment, treated with pyrethroids and phosphorus-containing preparations, becomes suitable for human life within a day or two after treatment.
With small modifications to the extraction process,this method can be used to detect pyrethroids in other food products such as nuts, fruits and vegetable oils.
Pyrethroids have a pronounced toxic effect on fish and bees, so when planning to use the phenaxin drug, it is best to remove the aquarium from the room for a while if you have it.
For example, some organophosphate insecticides(Malathion, Dichlophos), as well as pyrethroids(Permethrin and its derivatives Cypermethrin, Deltamethrin, Alfametrin) are dangerous for kittens.
Pyrethroids(cypermethrin, tetramethrin, deltamethrin, lambda-cyhalothrin) and organophosphate compounds(chlorpyrifos, fenthion, malathion and others) help the fleas well.
Apply this aerosol drug even today, although from the Soviet times the active substance of the drug has changed a longtime(now in different brands of Dichlorvos use pyrethroids instead of organophosphorus substances).
This is due to the fact that pyrethroids are quickly removed from the body of warm-blooded creatures(humans and the same pets), while in the body of insects they are delayed for a longer period.
Dr Yoon tested the pests for a trio of genetic mutations known collectively as kdr, which stands for“knock-down resistance” which were first found in house flies in thelate 1970s after farmers began using pyrethroids rather than DDT.
Meanwhile, it is important to bear in mind that most pyrethroids retain their high efficiency on the treated surfaces for about 15 days, after which it can decrease due to the gradual decomposition of insecticides in the air.
After only six days of eating a purely organic diet, there was a significant reduction in 13 of the 14 detected pesticide and pesticide metabolite compounds that represented organophosphates,neonicotinoids, pyrethroids and the herbicide 2,4-D.
It turned out that some pyrethroids are more effective against cockroaches than organophosphate dichlorvos, they retain their action longer and, most importantly, are safer for humans(and some, in addition, have almost no smell).
Classical obsolete agents such as Dichlorvos or Carbophos(the latter is sold even in the form of a powder that should be diluted with water)today do not stand up to competition with preparations based on pyrethroids, fenthion, chlorpyrifos and other modern insecticides and slowly disappear into the past.
Actually, the structure of pyrethroids resembles the structure of natural insecticides called pyrethrins, which are contained in the flowers of some species of chamomile and from which, by the way, Pyrethrum powder is also prepared, which is also quite effective against bedbugs.
The report documented that children carry bigger doses of many chemicals than adults,including some pyrethroids that are ingredients of virtually every household pesticide and phthalates found in nail polish and other beauty products as well as in soft plastics.
This article selects the pyrethroids for active ingredients, and added to the traditional processing technology, to achieve the effect of flooding kill mosquitoes after lit mosquito-repellent incense, this product is easy to break up and not easy to….
This article selects the pyrethroids for active ingredients, and added to the traditional processing technology, to achieve the effect of flooding kill mosquitoes after lit mosquito-repellent incense, this product is easy to break up is not easy to….