Type of root system (tap or fibrous) and density of roots.
根系类型(直根还是须根)和根系密度。
SEM show that the samples with NH4OH as a chelating agent are uniform, its particles are about 5 m, and tap-density is 2.
探讨了以氨水作为络合剂时产物的形貌特征，扫描电子显微镜（SEM）显示此方法制备产物颗粒均匀，粒径大约5！m，振实密度为2。
By sieving the rice husk particles (RHPs), the paper presents the loose and the tap bulk density of different sizes of rice husk.
通过对稻壳粉进行筛分，测量了不同粒径稻壳粉的松散堆积密度和振实堆积密度。
Acoustic velocities of tap water and polymer solution were studied using ultrasonic-pulse reflection method in the laboratory. Polymer density and apparent viscosity were measured.
采用脉冲反射法在实验室条件下对自来水和不同浓度聚合物溶液的声速进行了测量研究，经测量得到了聚合物溶液的密度、表观粘度。
Acoustic velocities of tap water and polymer solution were studied using ultrasonic-pulse reflection method in the laboratory. Polymer density and apparent viscosity were measured.
采用脉冲反射法在实验室条件下对自来水和不同浓度聚合物溶液的声速进行了测量研究，经测量得到了聚合物溶液的密度、表观粘度。
应用推荐