基台(drill frame),地质钻探时安置钻塔和钻探设备的基础。 一般用方枕木或型钢构成框架铺于地面。用长螺杆把钻塔和钻探设备固定在上面,以保持钻探设备之间的相对位置,并承受钻塔及设备的压力和避免下沉。
用Brånemark种植系统对全口牙列缺失_医网打尽文献搜索 关键词】Brånemark种植体 基台 固定修复 全口牙列缺失 [gap=1575]Key words: Branemark implant abutment fixed
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Objective: The purpose of this study was to evaluate the corrosion behavior of Gold alloy、Titanium alloy、Ni-Cr alloy and Ti implant abutment in vitro.
目的评价金合金、钛合金、镍铬合金和钛种植体基台在人工唾液中的腐蚀性能。
参考来源 - 钛种植体基台与三种合金腐蚀性能的实验研究·2,447,543篇论文数据,部分数据来源于NoteExpress
移动电话及其基台有什么健康风险?
What are the health risks associated with mobile phones and their base stations?
问: 移动电话及其基台有什么健康风险?
Q: What are the health risks associated with mobile phones and their base stations?
随着基台和无线局域网络的数量增多,人们的射频接触也在增多。
As the number of base stations and local wireless networks increases, so does the RF exposure of the population.
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