Based on contrast of operational techniques and drilling monthly efficiency of 12 drilling boreholes in Beizhang exploration area,then analyzed aspects of drilling equipment,bit and tool,borehole configuration,drilling fluid and technical parameter,some problems were found and corresponding countermeasures put forward.
通过北掌勘探区12个钻孔的施工工艺及钻月效率对比,从钻探设备、钻头钻具、钻孔结构、钻井液应用、钻探技术参数等方面分析,发现了一些问题,并提出相应解决对策,对今后在邯邢地区煤田孔施工,改进技术工艺、提高钻效具有现实意义。
Using the earthquake catalogue of East China since 1970,we analyze the mean value and standard deviation of the anomaly item numbers of the seismic parameters to get the R value to count monthly variety ratio of anomaly items of seismic parameters.
利用华东地区1970年以来的地震目录,对华东地区、郯庐断裂带100km范围、2007年度划定为地震危险区的苏鲁皖交界地区及安徽地区,以地震活动性参数群体异常变化项目数为参量,进行相应的均值之差与标准差统计分析,提取其变化率R(李永莉等,2003),即通过统计计算地震活动性参数异常项目月变化率R值,观察R值变化特征。
Drilling rig efficiency unit per month(DREupm) is a key indicator to display drilling productivity.
钻探台月效率是考核钻探施工生产水平的主要指标。
April CPI is expected to moderate to a 0.4% MoM rate vs. a prior 0.7% reading.
4月消费者价格指数预期达到0.4%（月率），前期为0.7%。
dual-rate moon position camera
双速率月球位置摄影机
The marketing rate on industrial output rose month by month, reaching 96.06 percent in June.
工业产销率逐月回升，6月份达到96.06％。
In the whole year, the EBR was 65%, and the values of each month were 52%～76%, the minimum was appeared in January, and maximum in June.
能量平衡闭合率的年值为65%; 各月值为52%～76%,1月最低,6月最高;
The interest is calculated on a monthly basis.
利率是以月为单位计算的。
neonatal mortality
一个月以下的初生婴儿死亡率
postneonatal mortality
一个月至一岁以下的初生婴儿死亡率
The number of visits to the Observatory's Home page exceeded 200 000calls per month.
网页服务每月的使用率超过20万人次。
In July, short-term interest rates in Russia shot to 100 percent.
在七月份，俄罗斯的短期利率达到了100%。
The government floated the ruble for a few months.
这个政府让卢布的汇率浮动了几个月。
Productivity peaked in January.
一月份生产率达到最高点。
Unemployment declined to 4 percent last month.
上个月失业率降至百分之四。
During the winter months,the occupancy rate is down to50.
冬季的几个月里，客房率降到50%。
The yield on the benchmark 10-year US Treasury ended the month at 5.04%.
本月末基准10年期国债收益率为5.04%。
Over the last few months we have successfully defended the linked exchange rate.
过去数月，我们成功捍卫联系汇率。
20 Stocks of Highest Hand Change Rate in September 1994
1994年9月换手率最高的20种股份
It costs me HK$330 (on current exchange rates) a month.
我每月为它支付330港币（当前的兑换率）。
Normally, uncaptured feed waste percentage varies from 11.0% to 28.0%, while the largest values appeared from July to August.
残饵率在11.0%~28.0%之间,7~9月最高。
