所述的制造工艺主要包括合成及捏合橡胶、编上芳纶纤维线 及形成管胚、硫化处理、二段处理几个步骤。
The manufacturing method mainly comprises the steps of: synthesizing and compositing rubbers, weaving aramid fiber wires, forming proembryonal tube, sulfur treatment and two-process treatment.
两种蟹肝胰腺均由肝小管的单层柱状上皮构成，在光镜下可以区分出分泌细胞、吸收细胞、胚性细胞。
The hepatopancreas of the two crabs were built with simple columnar epithelia. Secreting, absorbing and embryonic cells could be distinguished.
结果胚鼠室管膜源性神经干细胞在相应培养条件下呈现出神经干细胞快速增殖，形成由多细胞组成的细胞球（神经球）；
Results The NSCs derived from the fetal rat ependyma were observed to rapidly proliferate to form some cellular spheres or neural spheres consisting of NSCs.
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