Once the concavity was filled further growth could not take place.一旦凹陷填满,就不可能继续生长.The degree of concavity varies between species as does the size.凹度因物种而异,大小也各不相同.Edema skin tight, shiny, pale or light red color, soft tex...
介绍了一种新的测定亚硝酸根的荧光探针分子 ——— 3- ( 4-氨基苯基 ) 中氮茚-1-羧酸甲酯 ( API ).A novel fluorescence probe, 3 - ( 4 - aminophenyl ) indolizine - 1 - carboxymethyle ( API ) has been developed for the determination of trace nitrite.介绍了一种新的测定亚硝酸...
半柔性路面是一种在大孔隙沥青混合料中填充水泥胶浆而形成的兼具沥青路面与水泥砼路面特点的复合路面.Semi - flexible pavement is generally described as an open - concrete mixture, which is filled with Portland cement grout....