定义 中文名称： 焊透率 英文名称： penetration rate 定义： 点焊、凸焊和缝焊时焊件的焊透程度，以熔深与板厚的百分比表示。 应用学科： 机械工程（一级学科）；焊接与切割（二级学科）； 压焊（二级学科） 以
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axial penetration rate model 轴向钻速模式
Market penetration rate 市场渗透率
normalized penetration rate 标准化钻速
penetration rate of telephone 电话普及率
penetration rate method 机械钻速法
factor of penetration rate 钻速系数
liquid media penetration rate 液体介质渗透速率
Field application to Tongfu 001-X1 well shows that the average penetration rate is 6.17 m/h, and the drill-ing cycle of 17.1-day creates the shortest record for this structure. Drilling rate has been increased obviously.
现场应用于同福001-X1井,其平均机械钻速为6.17m/h,钻井周期为17.1d,创造了该构造完钻周期的最短纪录,钻井提速效果明显。
参考来源 - 蜀南地区定向浅层气井快速钻井技术The expansion and migration of clay minerals in the oil- gas frmation of low permeability are two important factors of damaging penetration rate.
低渗透的油、气层粘土矿物质的膨胀和运移是损害渗透率的两个重要因素。
参考来源 - 沈阳油田注水长效防膨技术研究与应用·2,447,543篇论文数据，部分数据来源于NoteExpress
JILLIAN YORK: "The Internet penetration rate of those three places is fairly low.
约克：“尼泊尔等3个地方的互联网普及率相当低，而我认为埃及的互联网人群是那3个地区总和的近20倍。
Yet reports still suggest that a 1% penetration rate of IPv6 hosts, which means there's a long way to go.
但是报告仍表明IPv 6主机只占1%，这就意味着IPv6的推进任重而道远。
Still, video watching is now seeing a high penetration rate among active internet users at 83%, a number consistent with last year.
现在观看网络视频的普及率已经很高了，活跃互联网用户中有83%的人观看过网络视频，这一数字与去年持平。
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