文章以郑西铁路客运专线函谷关隧道横洞挑顶为例，介绍了一种新型挑顶施工工艺——垂直挑顶法。
Taking the cross cave propping in Hanguguan Tunnel of passengers special line on Zhengxi railway, this paper introduces a new construction technique of propping - vertical propping method.
用改良胶原酶消化技术，聚蔗糖密度梯度离心及手法挑拾方法从大鼠胰腺成功地分离出完整的胰岛。
This paper reports the successful isolation of islets of Langerhans from the rat pancreas using a modified collagenase digestion, Ficoll density gradient separation and hand-picking technique.
主要介绍了特征线法在溪洛渡泄洪洞挑流鼻坎设计中的应用情况。
Application and research of method of characteristics in design of flip bucket for spillway tunnel at Xiluodu Hydropower Project is mainly presented.
应用推荐