The seam thickness change is one of the main factors effected on coal mining.
煤层厚度变化是影响煤矿开采的主要因素之一。
The seam thickness change is one of the main factors effected on coal mining.
构造作用是控制井田范围内煤层厚度变化的主要地质因素。
It can cuts the whole seam height in one trip, and accommodate the changing of seam thickness and floor undulation.
它可以一次采全高,并且能适应煤层厚度变化和底板起伏不平的条件。
The presence of geological units of gas under control of rock mechanical properties, fault distribution, seam thickness.
各自然地质单元瓦斯赋存情况受其围岩力学性质、断层分布、煤层厚度等地质因素控制。
Reasonable down from feeding mechanism to ensure that does not wrinkle when sewing thin, continuous line when the seam thickness.
合理的倒、顺送料机构确保缝薄时不起绉,缝厚时不断线。
Within the north structure block, with the influence of the thin seam thickness, the thickness of the structure coal seam was relevantly thin.
在北部构造区内受煤层厚度较薄的影响,构造煤厚度相对较薄。
Analyzing the characteristic of the thickness change and coal seam formation, realize the geological original cause of coal seam thickness change.
分析煤层厚度变化的特点及煤层厚度变化的地质成因。
This paper discussed the evolvement characteristics of sand bodies of the fourth coal bearing interval and its influence on No. 13-1 coal-seam thickness in Huainan coal field.
讨论了淮南煤田第四含煤段砂体的演化特征及其对13- 1煤层厚度的影响。
Some kinds of genesis patterns of the seam thickness variation caused by bedding slip structure are analyzed and the forming reason of the coal parameter variation are expounded.
分析了层滑构造引起煤厚变化的几种成因方式,解释了煤质变化的形成原因。
Base on the analysis the relationship between the seam thickness changes and structure function, the paper studied the thickness change law of the seams in coal mining operation in...
在分析煤厚变化与构造作用之间的关系基础上,研究井田内在开拓开采中的煤层厚度变化规律。
Base on the analysis the relationship between the seam thickness changes and structure function, the paper studied the thickness change law of the seams in coal mining operation in the mine filed.
在分析煤厚变化与构造作用之间的关系基础上,研究井田内在开拓开采中的煤层厚度变化规律。
The paper implemented the coal seam thickness prediction by applying the model, and achieved good result, which proved the feasibility of seismic attribute technology to predict coal seam thickness.
本文应用该模型实现了对研究区的煤层厚度预测,取得了较好的应用效果,证明了地震属性技术预测煤厚的可行性。
Seam surface defect after grinding or thickness is lower than base material after mechanical treatment.
打磨焊缝表面缺陷或机械损伤后的厚度小于母材的厚度。
The structural deformation is the principal geological factor that affects the thickness variation of coal seam on a mine field scale.
构造作用是控制井田范围内煤层厚度变化的主要地质因素。
Delamination make along the thickness direction of steel tensile performance deteriorated significantly, and are likely to occur when the interlayer tearing seam shrinkage.
分层使钢材沿厚度方向受拉的性能大大恶化,并且有可能在焊缝收缩时出现层间撕裂。
Tests show that the seam breakage rate of the strip has been widely reduced and productivity and thickness accuracy raised by this method.
试验结果,大幅度降低了断缝率,提高了生产率及板厚精度。
The geologic factors which have effected on the well geologic structure, coal structure, coal thickness and its changes, coal seam surrounding rock and some other factors have been analysed.
对十二矿影响煤与瓦斯突出的井田地质构造、煤体结构、煤厚及其变化、煤层围岩等地质因素进行了分析。
The coal and gas outburst became more and more dangerous along with the thickness of coal seam changing and increasing.
煤的厚度越大、煤厚变化程度越大的地区煤与瓦斯突出危险程度越大。
In order to retain ample strength at the welded seam, the tube wall thickness is increased making the overall frame heavier.
为了保留足够的实力在焊接缝,管壁厚度增加,使整体帧重。
Weld-seam position and thickness difference do not affect stress and strain states.
焊缝位置和壁厚差异变化时,拼焊管各区域的应力状态保持不变。
From Hales method, reversed refracted wave method shows accuracy and efficiency in detecting the thickness of remained coal seam.
以哈尔·斯法为例,将相遇折射波法用于剩余煤厚探测中,具有精确、高效、快速的特点。
To identify the signal of the weak reflected wave is a key problem to detect the thickness of the coal seam by using elastic wave.
弱反射波信号识别是声波法煤层厚度探测中的一个关键问题。
Notethe coating thickness of weld seam should be not less than 80% of coating thickness on pipe body.
焊缝处的防腐层厚度,不得低于管本体防腐层规定厚度的80%。
Combining with the production data, grey GM (1, 1) model is used to predict deep thickness of coal seam in Moxinpo.
利用灰色GM(1,1)模型,结合生产资料对磨心坡深部煤层厚度进行预测。
The article introduces the shortwall mining method along strike in medium-thickness seam with great dip angle, which is based on individual hydraulic prop and has brought great economic effect.
在大倾角中厚煤层推行走向短壁采煤方法,使用单体液压支柱,取得较好的技术经济效果。
The elastic wave reflection method is one of the effective methods of detecting the thickness of the top coal seam.
声波反射法是目前顶煤厚度探测的有效方法之一。
The final choice of threads would depend on fabric thickness garment style and required seam strength.
7一件衣服最终使用那一种缝纫线,应根据面料的厚度、服装的款式及线缝的牢度而定。
The final choice of threads would depend on fabric thickness garment style and required seam strength.
7一件衣服最终使用那一种缝纫线,应根据面料的厚度、服装的款式及线缝的牢度而定。
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