1) Caliche-lamination
砾石钙膜纹层
2) Caliche micro-lamination
砾石钙膜显微纹层
4) gravel interlayer
砾石夹层
1.
Research on PDC bit for drilling in gravel interlayer.;
适用于砾石夹层钻进的PDC钻头
6) gravel layer
砾石层
1.
The target strata designed to drill is deep and multiple complicated sets of layer are drilled,for example,gravel layer with its upper part easy to collapse,layer with abnormal high pressure in Anjihai Areas,wellbore diameter being shrunk in Shawan in Taxihe Areas,which brings many difficulties to drilling con- struction,Considering the features of strata above and eight difficu.
上部极易坍塌的砾石层、安集海异常高压层、塔西河沙湾的缩径;给钻井施工增加了难度。
2.
The thermal characteristics of heat storage and release of the gravel layer used in the solar collector in winter were analyzed.
7m)为依据进行了模拟;利用太阳能集热器的热能与直径为50~100mm的砾石铺设成150mm厚度的地下蓄热系统进行蓄热和放热试验,研究昼夜之间室内砾石的蓄热和放热特性;通过测试太阳能集热器的内部温度、砾石层内部及室内地表面的温度,研究了太阳能集热器的蓄热效率和转换效率,同时分析了蓄热层及室内地表面的热传递特性;为进一步开拓针对冬季寒冷地区太阳能蓄热型居民建筑物内部热环境方面的基础研究提供了科学的依据。
3.
However, it is difficult to use in the complicate mountain areas and the gravel layer.
地震勘探在煤田、油气田的研究中广泛应用,然而在砾石层比较发育的地区或复杂山区却遇到了困难;作者分析了砾石区地震施工存在的问题,提出了针对不同的砾石类型区采用不同震源的解决办法,打破了以往在砾石区施工只采用可控震源的常规方法;在有些砾石区通过炮井组合取得了较好的效果。
补充资料:硼钙石,水化硼酸钙,硬硼钙石
CAS:12007-56-6
分子式:B4CaO7
中文名称:四硼酸钙;硼酸钙;硼钙石,水化硼酸钙,硬硼钙石
英文名称:Boron calcium oxide;Calcium borate;boric acid (h2-b4-o7), calcium salt ;boron calcium oxide (b4cao7);calcium tetraborate;colemanite
分子式:B4CaO7
中文名称:四硼酸钙;硼酸钙;硼钙石,水化硼酸钙,硬硼钙石
英文名称:Boron calcium oxide;Calcium borate;boric acid (h2-b4-o7), calcium salt ;boron calcium oxide (b4cao7);calcium tetraborate;colemanite
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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