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- gas permeability of rocks 岩石透气性
- Near the unconformity surface, the porosity and permeability of rock has obviously been improved.The unconformity surfaces in Permian are the main paths of oil and gas migration. 研究表明,二叠系内部各组地层之间呈不整合接触,在不整合面附近地层的孔隙度和渗透率明显增大,因而是油气运移的主要通道。
- By analyzing BF operation data,it was proved that the limitative factor of BF operation intensity is the gas permeability of bosh(bosh gas nidex). 通过分析高炉的生产数据,总结出了限制高炉强化的因素是高炉内煤气通过炉腹的能力。
- By analyzing BF operation data, it was proved that the limitative factor of BF operation intensity is the gas permeability of bosh(bosh gas nidex). 摘要通过分析高炉的生产数据，总结出了限制高炉强化的因素是高炉内煤气通过炉腹的能力。
- Comparing with the dry density, influence of the saturation degree on gas permeability of shallow gassy sand is more significant. 饱和度的变化相对于干密度对储气砂土的渗气性影响更为显著。
- The gas permeability of EBR which have the same epoxide number decline with the amount of carbon black and sulphur , and increase with the amount of plasticizer . 同一环氧值的EBR硫化胶气密性随配方中炭黑、硫磺用量的增加而升高，随增塑剂用量的增加而降低。
- Abstract By analyzing BF operation data, it was proved that the limitative factor of BF operation intensity is the gas permeability of bosh(bosh gas nidex). 摘要 通过分析高炉的生产数据，总结出了限制高炉强化的因素是高炉内煤气通过炉腹的能力。
- They discovered that in addition to sending tremors that knock down buildings, earthquakes greatly increase the permeability of rocks to transmit fluids including oil. 科学家们发现:地震除了产生击倒建筑的震动,还能极大地增加岩石的流体通透性,使得石油易于渗透。
- The porosity and permeability of rock are related directly to grain size and sorting characteristics. 颗粒大小和分选性对岩石的孔隙和渗透率有直接关系。
- NMR is a technique used to determine the porosity and permeability of rock formations. NMR是一项用于确定岩层的孔隙度和渗透率的技术。
- The carbonation performances and gas permeability of four types of concrete(ordinary concrete,fly ash concrete,air-entrained concrete and fly ash airentrained concrete) were studied in this paper. 研究了普通混凝土、粉煤灰混凝土、引气混凝土和粉煤灰引气混凝土等四类混凝土的抗碳化性能和气体渗透性能。
- A fall of rocks blocked the road. 掉落的岩石把路封住了。
- The results of the test have shown that the operating technology for colloidal silicate binding is comparatively simple and the strength and gas permeability of the mold are comparatively good. 通过与硅酸乙酯水解液粘结剂的比较表明,以硅溶胶作为透气性金属陶瓷材料的粘结剂,其材料的制造工艺简单、强度较高、透气性较好。
- There are two types of rocks in this area. 这个地区有两种类型的岩石。
- Quantitative relationship between measured permeability of rock core and horizontal stress is studied by regressive analytical technique. 根据岩芯样品渗透率分析值和岩石水平应力，以回归分析技术研究了二者的定量关系。
- Rock mass always exists in the fields of geostress and seepage,so it is important to study the effect of geostress on the permeability of rock mass. 岩体总是赋存于一定的渗流场与应力场中的,研究地应力场对渗流场的影响具有重要的意义。
- This layer of rock contains a lot of flint. 这一岩层中有大量燧石。
- Electric Field Response of Gas Permeability of Coal 煤体瓦斯渗透性的电场响应研究
- The mountain rise up in a steep wall of rock. 这座山高而陡，形成一道岩石屏障。
- The mountain rose up in a steep wall of rock. 这座山高而陡，形成一道岩石屏障。
