真空吸盘又称真空吊具一般来说,利用真空吸盘抓取制品是最廉价的一种方法。真空吸盘品种多样,橡胶制成的吸盘可在高温下进行操作,由硅橡胶制成的吸盘非常适于抓住表面粗糙的制品;由聚氨酯制成的吸盘则很耐用。另外,在实际生产中,如果要求吸盘具有耐油性,则可以考虑使用聚氨酯、丁腈橡胶或含乙烯基的聚合物等材料来制造吸盘。通常,为避免制品的表面被划伤,最好选择由丁腈橡胶或硅橡胶制成的带有波纹管的吸盘。
n. acetabulum
misc. ventral sucker
这个标本与典型标本的不同主要在虫体较大与腹吸盘的位置较在虫体的前方。
The present specimens differ from the type specimen described by Braun in 1901 and Lühe in 1909, in the size of the body and in the position of the acetabulum.
目的是通过扫描电镜(SEM)观察勐腊并殖吸虫成虫体棘、口、腹吸盘,为鉴别其虫种提供资料。
Objective:To identify the strain of Paragonimus menglaensis with scanning electron microscopy (SEM) based on the irsurface structures, oral and ventral suckers.
当他跌入兽腹时,无数纤维状吸盘将他缠绕以保持其鲜活,这是沙拉克骇人听闻的代谢过程的一部分;
When he plunged into the beast, he was kept alive by numerous fibrous suckers that attached themselves to his body. This was part of the Sarlacc's horrible metabolic process;
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