While the roof structure was retained, the ballast roofing was replaced with standing seam, terne coated stainless steel.
虽然保留了屋盖结构，但是碎石铺砌的房顶替换成常规屋顶，利用了铅锡镀不锈钢材料。
The joint structure and element distribution at brazing seam are also studied by SEM/EDAX and thermodynamics measures.
通过SEM/EDAX以及热力学方法分析了钎焊接头组织及钎缝的成分分布。
The method of image processing of V-type seam based on structure light vision sensor has been studied.
对基于结构光视觉传感V型焊缝图像处理的方法进行了研究。
This kind of welding makes the change of the aggregative structure in seam zone thus resulting in a slightly better strength in this zone than in the matrix.
热板焊接导致了焊缝区的聚态结构发生变化，从而使焊接接头的强度略高于母体强度。
The results show that the SEAM technique can be used directly to observe the domain structure of ferroelectric ceramics and single crystal materials without any treatment for test samples.
结果表明：利用扫描电子声显微镜技术在不对样品表面进行任何处理的情况下，可以直接对电畴结构进行观察。
Research on coal bedding structure is the theory foundation and precondition of coal seam gas exploitation.
煤体层理结构的研究是煤层气开发开采的理论基础和前提条件。
According to the different product structure, butt fusion welding process and lap seam welding process are used to respectively weld left and right half shell of upper body.
上体左、右半壳直焊缝视产品结构不同，分别采用对接熔化焊和搭接缝焊工艺。
The results showed that nonmetallic inclusions in weld seam served as crack initiation site under external bend load, and large amount of m a structure resulted in cleavage fracture of weld seam.
结果表明，焊缝金属中存在的非金属夹杂物，在低应力作用下形成微裂纹成为裂源，加之焊缝组织中存在大量的MA结构群，从而发生焊缝金属在室温下的解理断裂。
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 image process and corner detection of V groove seam based on structure light vision sensing has been studied.
对基于结构光视觉传感的V型焊缝图像预处理及拐点检测进行了研究。
The paper introduces the basic principle, structure and distinguishing tactics of the weld seam defects distinguishing expert system based on neural network.
介绍了基于神经网络的焊缝缺陷识别专家系统的基本原理、结构和识别策略。
The structure and work theory of a new type of hydraulic lock of the thinnest coal seam shearer is described in this paper.
介绍了一种新研制的极薄煤层采煤机液压锁的结构特点及工作原理，并对其进行了性能实验。
Theoretical Analysed the roof without voussoir beam structure in shallow seam mining under thick unconsolidated layers, thus, cann't use voussoir beam theory to compute the force of supports.
同时，理论分析了地表厚松散层浅埋煤层顶板不存在砌体梁结构，因而不能应用砌体梁理论计算支架载荷。
The unit forecast method is applied to forecast quantitatively the complicated degree of small structure in main coal seam.
用单元预测法对研究区主采煤层小构造的复杂程度进行了定量预测。
The structure and dimension of welding pin are the main factors which affects the flow direction of the plastic metal in FSW zone and the quality of the FSW seam.
焊接过程中搅拌焊针的结构形状是影响焊缝区塑性软化材料流动方式的主要因素，从而影响焊缝的成型质量。
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 structure of a kind of imported seam welding electric oven and its failure reasons were analyzed. A new improved design for this kind of electric oven was introduced.
分析了原进口焊缝烘炉的基本结构和失效原因，介绍了新的焊缝烘炉的设计方案和结构特点。
The paper introduced the development, design and structure of the thin seam coal shearer with an electric magnetic sliding differential speed control in detail.
详细介绍了电磁滑差调速薄煤层采煤机的开发设计思路、结构特点；
Bursting pressure by the diaphragm arch on the surface of the seam and holes weakened structure control.
爆破压力由膜片拱面上的缝和孔构成的减弱结构控制。
Rockmass structure is one of the controlling factors to coal seam floor's stabilization, and it has an important influence on the mining effect of coal seam floor.
底板岩体结构是煤层底板岩体稳定的主控因素之一，对煤层底板采动效应有着重要影响。
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。
Point out that the horizontal structure stress is one of the important influence factors on the coal seam floor's failure.
提出水平构造应力是煤层底板变形破坏不可忽略的重要因素之一。
The quality of welding is an important factor that influences steel structure project quality. Nondestructive inspection is an important method which guarantees welding seam quality.
焊接质量是影响钢结构工程质量的重要因素，对焊缝进行无损探伤检验是确保焊缝质量的重要手段。
There was a broken seam sliding structure mainly developed in the mining area and there was less folding broken in the seam.
矿区主要发育断裂式层滑构造，造成煤层揉皱破碎较少。
In the study of exploitation conditions of seam gas, we have to solve the problem of structure first, moreover the core of the solution of tectonic problem is the study on tectonic mechanism.
研究煤层气开采条件，首先要解决构造问题，而构造机理研究又是解决构造问题的核心。
Coalface of Daizhuang Coalmine, the authors believe that the roof in lower seam will form the "block-bulk-beam" structure easy to fall after the mining of top ultra-close seam.
通过对岱庄煤矿4300采区工作面的顶板结构分析，得出了上部极近距离煤层开采后，下部煤层顶板形成极易漏冒的“块体-散体-梁”结构。
Base on the site observation and experimental research, the paper studied the top coal structure for the top coal caving mining in steep inclined seam sections.
在现场观测及实验研究基础上，对急倾斜水平分段放顶煤开采过程中顶煤体结构进行了研究。
According to the problem that the welding seam of the main winch drum structure is easy to crack, this article analyzes the cause and puts forward efficient measures of reducing it's ouurrence.
根据主井绞车滚筒结构的开焊情况，分析了开焊的因素，提出了减少开焊的措施。
This fabric structure has the advantage that it is possible to use all of the fabric warp yarns in the loops, thus significantly increasing the tensile strength of the seam.
这种织物组织的优点是线环可以使用所有的织物经纱，因而显著提高了边缝抗拉强度。
This fabric structure has the advantage that it is possible to use all of the fabric warp yarns in the loops, thus significantly increasing the tensile strength of the seam.
这种织物组织的优点是线环可以使用所有的织物经纱，因而显著提高了边缝抗拉强度。
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