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- Keywords VCR method;blasting funnel;critical burying depth;optimal burying depth;strain coefficient; VCR法;爆破漏斗;临界埋深;最佳埋深;应变能系数;
- Optimal burying depth 最佳埋深
- Through the experiment, parameters of blasting runnels for explosive package in the model coal medium and critical burying depth of loose blasing are obtained. 通过实验,得到了药包在模型煤层介质中的爆破漏斗参数和产生松动爆破时的临界埋深。
- Then the buried depth of crystal basement was inversed using wavelet analysis. 同时应用小波分析技术,从磁场中分解出区域磁异常,反演结晶基底的埋深。
- Cone-shape anchor rod burying depth research 锥形锚杆埋深研究
- The surface settlement range increases with the addition of tunnel buried depth but the settlement decreases. 随着隧道理深的增加,沉降范围也逐渐增大,沉降值却不断减小。
- In homogeneous soil, TGR and the influence of the buried depth of the grounding conductor on TGR decrease with increasing ground conductivity. 对均一土壤,TGR随大地电导率的增大而减小,大地电导率越大,TGR对接地体的埋深越不敏感。
- Nanpu A condensate-gas reservoir has features of being buried depth, high temperature, long drilled section, low permeability and complex lithology. 南堡A凝析气井具有埋藏深、温度高、井段长,渗透率低、岩性复杂等特点。
- This well measures difficulties i ncluding small target window,deep buried depth,bad stratigraphic stability,and easy adhere to pipe sticking. 介绍了该井的施工难点,即靶窗小、靶区要求严,油层埋藏深、地层稳定性差,容易黏附卡钻,与直井相比携岩比较困难等。
- Firstly the buried depth and distribution of the Pre-Silurian interface were in- versed from magnetotelluric data with constraint conditions. 从提高纵向分辨率的处理和反演技术的应用入手.结合约束条件,利用大地电磁测深数据反演,揭示前志留面等界面的埋深和分布;
- The genera and species of diatoms in the samples from Tianyang and Jiudouyang vary with increasing buried depth from Melosira to StePhanodiscus, and than to Cyclotella. 九斗洋和田洋钻孔作品中硅藻种属随深度而变化,由直链藻到冠盘藻,直到小环藻。
- On the other hand,It is favorable to the drilling incremental measures and production management because of its shallow buried depth,stable distribution and low crude viscosity. 另一方面,由于油层的埋深浅、分布稳定、原油粘度低的优势,又有利于钻井增产措施的实施和生产管理。
- The high mining height hydraulic support is designed for the special geologic condition of Shangwan Coal Mine,such as shallow buried depth,thin bed rock and thick aeolian sand. 大采高液压支架是针对上湾矿煤层浅埋深、薄基岩、厚风积沙等特定地质条件而研制的一种高性能综采液压支架。
- It is concluded that the average degree of radial consolidation for a given soil layer increases with its buried depth since the geostatic pressure increases with the lattar. 结果表明,因自重应力随深度增加,土层径向排水平均固结度随其埋深而增大。
- Factors such as buried depth,volatile matter of raw coal,water content and ash content in raw coal can produce influence upon gas content to some extent. 分析认为:研究区煤层气含量各煤层差异性较大,埋深、原煤挥发分、原煤水分、灰分产率等因素对煤层气含量均有一定的影响。
- On the other band, It is favorable to the drilling incremental measures and production management because of its shallow buried depth, stable distribution and low crude viscosity. 另一方面,由于油层的埋深浅、分布稳定、原油粘度低的优势,又有利于钻井增产措施的实施和生产管理。
- This creature lives in the depth of the ocean. 这种生物生活在海洋深处。
- A place for burying the dead; a graveyard. 墓地埋葬死者的地方; 坟地
- By burying I just managed to arrive at the office on scratch. 我匆匆忙忙,好不容易才准时赶到办公室。
- I was out of my depth in that class. 在那个班里我跟不上。