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Three-coordinate phosphorus compounds. For the sp3 (inequality) hybrid triangular pyramid configuration, the phosphorus atom with a lone pair of electrons.

In agricultural production, chemical pesticides will be used for a long period of time. If the pesticides are not applied according to the prescribed dosage.

In severe cases, tachycardia, increased blood pressure, pupil size such as pinpoint size, dyspnea, pulmonary edema, incontinence, respiratory depression, unconsciousness, and even deep coma, and bl...

Examination of the patient's vomitus or gastric contents initially extracted during gastric lavage, as well as respiratory secretions can prove the presence of organophosphorus compounds.

The time and severity of the symptoms of organophosphorus pesticide poisoning are closely related to the entry route, the nature of the pesticide, the amount of entry and absorption, and the health...

The cholinergic muscarinic receptors of some parasympathetic nerves and some sympathetic postganglionic fibers are excited, resulting in smooth muscle contraction.

The conduction of most of the cholinergic nerves in the human body (including the preganglionic fibers of the motor sympathetic and parasympathetic nerves.

Refers to organic compounds containing carbon-phosphorus bonds, and organophosphorus chemistry is a branch of organic chemistry that studies the properties and reactions of organophosphorus compounds.

Organophosphorus pesticides can be poisoned by ingestion, inhalation or absorption through the skin.