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- rock pressure model 矿压模型
- According to the criterion of rock intensity wreckdamage,the Moh-Coulomb caving pressure model and the Drucker-Prager caving pressure model was optimized. 结合岩石强度破坏准则,优选出了摩尔-库仑坍塌压力模型和德鲁克-普拉格坍塌压力模型。
- The characters of deep mine are larger raw rock pressure,larger ore body plasticize,mine pressure severe appearance. 深矿井的特征是原岩压力大、矿体塑性大及矿山压力显现剧烈。
- On the basis of concentric annular fluctUation pressure model, approximate solution of eccentric annular was soluted. 在建立同心环空波动压力的精确模式基础上,求解了偏心环空稳态波动压力的近似解。
- The caving of thick and strong roof stratum,key stratum,causes tremendous rock pressure in mine. 采场上覆岩层中的厚硬岩层,即厚硬关键层,其冒落会造成剧烈的矿山压力显现。
- IRN artificial neural networks method is used in optimal drilling pressure model initiatively. 首次运用了IRN神经网络建立钻压优化模型。
- The response processes of drum-steam pressure model built to the main inputs are accordant with its mechanism process. 结果表明,当分别对给煤流量、给水流量和汽包入口水温进行阶跃输入时,汽包压力的响应过程的总体趋势是与其机理相一致的。
- It has two pressure models as handwork and electromotion. 压刀方式有手动、电动两种。
- Accoording to the result on observation of rock pressure,adaptability of telescopiform bolt in soft rock road and reasonable structural parameter are analysed. 根据矿压观测结果分析了可拉伸锚杆对软岩巷道支护的适应性及其合理的结构参数。
- The model currently includes critical capillary pressure model based on fractional-flow theory, bubble population correlation and Robert-Mack model. 目前主要的泡沫分流酸化模型有 :基于分流理论的临界毛管压力模型 ,气泡总量关系模型和Robert Mack模型。
- On the basis of the observation to rock pressure,the strata behavior regularity of 93305workface is summarized,and the reason is analyzed,rome reasonable advices is put foreward. 在矿压观测的基础上,总结了该工作面的矿压显现规律,并对原因进行分析,最后就工作面的开采提出合理建议。
- Conclusion It is more effective by diurnal blood pressure model guiding drugs therapy in the patients with hypertension. 结论高血压病患者以昼夜血压模式为依据指导用药降压治疗有较好的医疗效果。
- Hydraulic pressure model in direct molmerged,simple in structure,convenient in mold adjustment, and the force of clamoping can be easy adjusted,data can be read directly. 液压式直接合模结构简单,调模方便,并且锁模力易于调整,数值易于直读。
- The limit value of drilling fluid density for avoidingthe borehole wall instability and the hydrostatic column pressure model were also determinedin this paper. 并根据井壁面岩块的极限稳定条件,建立了防止井壁岩块失稳的极限及井内钻井液柱压力模型。
- Membrane ultrafiltration of macromolecular solutions is usually analyzed with the gel polarization model, the osmotic pressure model, and the resistance-in-series model. 摘要巨分子溶液之薄膜超过滤的分析,一贯系基于胶层极化模式、渗透压模式,以及阻力串联模式。
- Results Total response rate and diurnal blood pressure model turn into normal dipper in observation group was higher than that of Contrast group after treatment. 结果观察组降压的总有效率和昼夜血压模式转为正常杓形态明显高于对照组。
- Based on measured rock pressure and experimental data under thick watered loose bed of Wanbei mining area,dimorphism and mutation characteristics of ultrathin bedrock working face roof are discussed. 以皖北矿区厚含水松散层下超薄基岩开采工作面实测矿压资料与实验数据为依据,论述了超薄基岩工作面顶板的风化变异特征。
- Based on measured rock pressure and experimental data under thick watered loose bed of Wanbei mining area, dimorphism and mutation characteristics of ultrathin bedrock working face roof are discussed. 摘要以皖北矿区厚含水松散层下超薄基岩开采工作面实测矿压资料与实验数据为依据,论述了超薄基岩工作面顶板的风化变异特征。
- LEI Hua-yang.Pore pressure model of maring soft soil and its parameters in Tianjin region[J].Journal of Jilin University: Earth Science Edition, 2003,33 (1) : 76 -79. [9]雷华阳.;天津地区海积土的孔压模型建立及参数确定[J]
- Under composite roof inthe No.2 seamof Tunlan mine,bolt-rope strenthenningsupporttechnique is utilized to control roof ad decrease rock pressure,which has achieved good economic bene-fit. 介绍了屯兰矿在2号煤层复合顶板条件下,采用锚索补强支护技术,有效地控制了巷道顶板离层,减轻了矿山压力显现现象,取得了较好的经济效益。