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To explore the response to nociceptive stimuli in spinal cord of immature rat and observe the electrical stimulation of the sciatic nerve on synaptic plasticity of the spinal dorsal horn and spinal c-fos expression in rats of different ages, MK-801 was added to the spinal cord of rats, and the resulting changes in field potential as well as c-fos expression(More)
OBJECTIVE To explore the anaesthesia method in the operation of voice sulus in children. METHOD Before operation about 30 minutes, the patient was injected Atropin 0.02 mg/kg ( the dose of maximum < or = 0.5 mg), next to inject midazolam (0.08 mg/kg), scoline (2 mg/kg) into vein, then the operator put the direct laryngoscope to perform operation. The(More)
This study was undertaken to develop an extraction method for seven acidic pharmaceuticals and five steroidal estrogens from wastewater, treated wastewater and sludge samples. The temperature and time of sample derivatization using N,O-bis(trimethylsilyl)trifluoroacetamide was optimized. Our results show that pretreatment combined with solid phase(More)
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