These epithelial elements arise embryologically from foregut endoderm in the process of bronchial tubular growth.这些表皮细胞在胚胎学上把源于支气管生长过程中的前内脏叫内胚层.Successive section sees endoderm has exfoliate phenomenon.连续切片见内皮层有剥脱现象....
How to simulate the anchoring effect of bolts is discussed.探讨了如何在计算中考虑锚杆的锚固效应.Drilling, anchoring and grouting together is a particular form of anchoring - grouting.钻锚注支护属于锚注支护的一种特殊形式.After support structure optimization...
This preparation uses dialkyl imidazole salt, alkyl pyridine salt or caprolactam and fatty acid as reactant.该方法使用带有二烷基咪唑盐 、 烷基吡啶盐或者己内酰胺和脂肪酸作为反应物.Thus the term dialkyl carbonate includes, for example, methyl ethyl carbona...
The following paragraphs deal with intra - source offsets and the so - called " bubble " concept.下面讨论污染源内部的补偿和 所谓 的 “ 泡泡 ” 概念.Geochemistry of the Chaokeshan ophiolite: Product of intra - oceanic back - arc basin?内蒙朝克山蛇绿岩...