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In view of the problem of deep deposits caving minning, through the recalling of deep deposit caving mining new technologies, sublevel caving with throughout-frontal ore drawing is put forward, which can recall all of the rocks of the ore, and the ore has the best recovery parameters, the high extraction strength, more favorable conditions of work safety.

针对深厚矿床崩落开采法的问题,通过回顾深部矿床崩落开采法的新技术,提出改进的端部放矿分段崩落采矿法,在矿井能够从跨落的岩石下回收所有的矿石,具有最好的矿石回收参数,高开采强度,较有利的安全的工作条件。

Because length place is restricted, this print cannot carry Benciao meeting natant contest beforehand, all achievement and section grade publish finals entirely, but labor takes part in the match athlete match matchs fast, affirm those who conduce to natant grade level to rise.

因篇幅所限,本刊不能将本次奥运会游泳赛预、决赛所有成绩及分段成绩全部刊载,但具体分析参赛运动员比赛配速,肯定有助于游泳成绩水平的提高。

While compared with routine linearity injection, arc-needle injection 131I-iodinated oil step-by-step sector-shapely through implant C6 glioma and SMMC-7721 hepatoma at subcutis, Rat survival time increased, the body weight kept less descent, their lumps necrose wholely.

对C6、中文提要放射性核素在瘤体内的均匀弥散、持续滞留和辐射剂量估算研究 sMMc一7721的皮下瘤模型瘤内弧形针分段扇形注射'3,I一碘化油,与直行针线状注射相比,动物存活时间长,体重下降少,肿块皇整体坏死。

Sixteen patients with terminal cancerous pain received epidural, sacral or neuroplexus administration of MMC 4-8mg(concentration:1-2mg/ml) once a day or every other day, lasting 3-4times and degree of pain relief was evaluated.In different concentration solutions of MMC and normal saline, the pathologic changes of separated nerve of live body in sharp dissection ,immersed for 1-24hours (37℃),was observed under microscope.

16例晚期癌痛病人以1~2mg/ml浓度使用4~8mgMMC行椎管内、骶管、神径丛注射,每日或隔日一次,3~4次,观察止痛效果;采取人离体坐骨神经锐性分段后分别浸泡于生理盐水及不同浓度MMC溶液中1~24小时作切片对比观察其病理损伤程度。

Error analysis and estimation of the second order extended state observer were done by noncontinuous piecewise Lyapunov function, and the system stability were proved by multiple Lyapunov function method.

利用非连续的分段Lyapunov函数进行二阶扩张状态观测器的误差分析与估计,并用多Lyapunov函数方法证明了系统的稳定性。

Several improvements has been made to the existing error analysis as follows: considering the complete form of the fal function in the error analysis; choosing the noncontinuous piecewise Lyapunov function to get better choose rule of parameters; giving the judging criteria of error convergence for the ESO with different parameters and the convergence value of the error.

在现有误差分析的基础上做了如下改进:误差分析中考虑fal函数的完整形式;选用非连续的分段Lyapunov函数,得到了更好的参数选取规则;给出了不同参数下扩张状态观测器误差收敛的评价标准以及误差收敛值。

Discussing the way to develop the nonlinear mathematic model of the governor in the hydroelectrical simulation system and improve it, the phased analyzing/fitting method is introduced in modeling process to deduce the mathematical models of governor start-up and load rejection so as to solve the problems of overspeed starting and nonconvergent vibration during load rejection.

在建模过程中采用分段解析、拟和的方法,推导出了水电仿真中水机调速器开机和甩负荷过程数学模型,解决水机调速器中开机过速和甩负荷过程中振荡不收敛问题。

The blast of sublevel caving together with the blast of undercutting, crater opening and slot cutting are brought about successfully at same time in the practice of sublevel drilling and stope mining with nonelectric blast ignition system, and the productivity of mining is increased.

分段凿岩阶段矿房法回采实践中,用非电导爆管雷管起爆系统成功地实现了阶段落矿爆破与拉底、辟漏、切槽爆破一次同步进行,提高了生产效率。

The blast of sublevel caving together with the blast of undercutting, crater opening and slot cutting are brought about successfully at same time in the practice of sublevel drilling and stope mining with nonelectric blast ignition system, and the product

分段凿岩阶段矿房法回采实践中,用非电导爆管雷管起爆系统成功地实现了阶段落矿爆破与拉底、辟漏、切槽爆破一次同步进行,提高了生产效率。

The coal mining method of oblique sublevel concentration as a new technology hasnt been very perfect in China until now, so we set up three-dimensional finite element model of this kind of mining method novelly based on Datai coal mine of Beijing Coal Group as an example using Ansys software.

俯伪斜分段密集采煤法,作为一种较新的采煤方法,在我国技术上还不很成熟,因此,首次针对京煤集团木城涧矿大台井的地质条件和赋煤状况,通过简化建立三维立体有限元模型,模拟计算了该矿煤层顶底板在开采前后运动变化情况。

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推荐网络例句

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。