论文部分内容阅读
新型GX三牙轮钻头
【出 处】
:
断块油气田
【发表日期】
:
2004年5期
其他文献
因为社会和家庭氛围的熏陶,王维多年诚心信佛。他的佛学修养和宗教兴趣禅化了他的艺术创作觉。生性闲静的他,又喜沉浸在山水田园中。天时地利人和,使他具备了将禅意与山水田园结
ompared with the year 1998.The successful measures and experiences of Yan-gou watershed are worth promoting on the Loess Plateau.
ed planation surfaces can be estimated. At least three landforms implying uplift can be identified in southeastern China, with elevations of 300-400 m, 2000 m a
ic regions. Comparison and verification show that the spatial precision of the boundaries of geomorphologic subareas in Xinjiang is very high.
article revealed the uplift age of red-bed basin to be 77.89±2.6 MaBP (K2) I.e. Late Cretaceous, and it is the first chronological datum of Danxia landform res
andform of Fangyan is a unique representative of the “adolescent” development type in the application of the World Natural Heritages status in China, by virtu
针对中原油田抽油机井泵效和系统效率普遍较低、油井维护工作量大的问题,参考江苏、胜利等油田优化参数、提高系统效率的做法,结合中原油田系统测试情况,进行了深入细致的综
放学时间,大军来到幼儿园门口。守门的保安小李尽职尽责,就算是相熟的家长,没有接送卡,也不能接走孩子。大军把接送卡递给小李,小李低头看看,迟疑道:“请问,你是刘子琪的什么人?” 大军咧嘴一笑:“我是她爸爸。” “我怎么没见过你?”小李盯着大军,似乎要从他脸上发现什么。 大军解释道:“我是名军人,今天回来探亲……” 小李有点儿同情大军了,他扭头看了一眼门口的小朋友们,问:“哪个是你女儿?”
期刊