Naltrexone hydrochloride is a new morphine - like antagonist in our country now.盐酸纳曲酮是目前国内新的吗啡类拮抗药.A noncompetitive antagonist prevents the agonist from producing any effect at a given receptor site.非竞争性拮抗剂可阻止激动剂在特定受体部位产...
Plants from the high - lime plots grew better on calcareous soil.高石灰小区的植株在石灰质土上生成较好.Other plankton species in near equal numbers replaced calcareous microplankton as they died out.钙质微体浮游生物消亡时,已经有近乎等量的其它浮游生物种类代替它们了.Calcit...
At greater epicentral distances the Rayleigh waves become very prominent.当离震中距离更大时,瑞雪波才变得显著.The stronger the field, the greater is the aligning effect.电场愈强, 一致取向的效应愈大.Having a chromosome number greater than but not an mu...
进气分布器为双锥导流式.The air inlet distributor is a biconical diversion type.结果表明,化合物中锡原子呈五配位畸变三角双锥构型.The structure shows a distorted trigonal bipyramidal configuration with five - coordinations to a central tin atom.对“双锥筒振动试验模型”...