Assessment on stability of partial rock-block mass is essential during tunnel's design and construction.
隧道围岩局部块体稳定性分析是隧道设计和施工过程中必不可少的环节。
A computation model for ideal filling block mass was presented to achieve the most favorable compressibility of the fillings.
给出了具有最佳压缩性能的理想充填块体的计算模型。
In the most simple case that I can think of, I have here a block m which has a certain mass, m.
在最简单的示范中,我有一个大块,它的质量为。
Russia has made clear that it currently opposes any such move and may block any mass lifting of sanctions.
俄罗斯以清除的表明目前反对任何取消措施,而且可能会阻止任何解除制裁的行为。
It is also shown that the influence of the rotary inertia of the mass block on the shear failure is not negligible.
质量块的转动惯量对于剪切失效具有不可忽略的影响。
Each balancing head has two or three balancing discs, each of which has been provided with a balancing block (or called the balancing mass).
每个平衡头有两或三个平衡盘,每个盘上均有平衡块(或称为平衡质量)。
A large block of ice broke away from the main mass.
一大块冰从主体分离出来。
Then, using the rigid mass block in place of the low building which has a larger rigidity, the simulated test about two different kinds of isolation lay on shaking table is carried out.
然后,以刚体质量块代替刚度较大的砌体建筑物,进行了填充沥青油膏和未填充沥青油膏的两种隔震层模型的振动台的地震模拟试验。
The result shows that the peak value of acceleration of the mass block of the two isolation lays both are obviously weakened when inputting different earthquake waves.
结果表明,在不同加速度幅值地震波输入下,两种隔震层模型的质量块加速度都有明显的衰减。
A black painted triangular mass block, at the entrance of the house, filters the light that still trespasses the front door.
漆成黑色的三角块位于房屋入口,过滤照进前门的光线。
Small black holes, between three and 20 times the mass of the sun, are created when big stars collapse and leave behind a gravitational pull strong enough to block nearby light rays.
为太阳质量三到20倍的小型黑洞,是在大恒星坍塌时创造的,并且留下一个足以阻止附近光线的重力拉力。
The research result shows that the rock block index has remarkable significance in engineering and advantages in rock mass quality assessment.
对比结果表明:岩体块度指数在岩石质量评价中能更准确地反映其优越性,具有更为显著的工程意义。
The built mass of the extension was thus planned towards the North-East enabling unobstructed light and ventilation to both the existing residence and the newly planned gymnasium and guest block.
扩展的建筑面向东北,使现有住宅和新计划的健身房和客人娱乐区拥有充足的光线和通风。
The swelling inside the brain can put pressure on delicate brain tissue and the mass of pus itself can block blood vessels that are supplying essential blood to parts of the brain.
肿胀内脑可以施加压力,微妙的脑组织和群众的脓本身可以阻止血管供应血液必不可少的部分大脑。
Kinematic precept of mass block in automatic balancer is proposed following the principle of online automatic dynamic balancing.
从转子在线自动动平衡的基本原理入手,提出了自动平衡头的质量块运动方案。
Besides, the concrete block walls and floor also serve as a thermal mass, regulating the interior temperature by storing daytime heat and releasing it at night.
混凝土砖做成的墙面和地面还起到了温度调节剂的作用。 白天储存热量,夜晚又释放热量来保证室内恒温。
On the basis of study on varing-mass mechanical model of human body system, the varing-mass block-body dynamics of human body system are developed to study.
在人体系统变质量力学模型研究基础上,开展了人体系统变质量块体动力学研究。
As a significant method for rock mass slope analysis, Block Theory has been used far and wide in engineering field.
块体理论作为分析节理岩体边坡的重要方法,已经在工程界得到广泛的应用。
Then, through organic combination of rock mass block index and absolute weathering index in the general sector scope table, the quantitative method of GSI is constituted.
将岩体块度指数、绝对风化指数在地质强度指标的区间范围概化表上有机结合起来,构成了GSI的定量确定方法。
Calculation methods to determine the mass of polygonal and non-regular form steel plate are introduced and a principal block diagram for oil tank bottom plate mass calculation is listed in this paper.
介绍了多边形钢板与不规则多边形钢板质量的计算方法,列出了用计算机计算油罐底板质量的原理框图。
Block theory is an effective method to analyse stability of rock mass crisscrossed by geologic structure planes.
对于由地质构造面纵横切割的多裂隙岩石块体的稳定分析,块体理论不失为一种有效的分析手段。
In apparel mass customization, body measurement and basic block are two important elements which effect pattern design.
在服装批量定制中,确定服装样板的两个重要因素是人体的测量数据和标准样板。
Compared with traditional block matching tracking arithmetic, it overcomes some disadvantages, such as a mass of operation, inaccurate matching in the low SNR (Signal Noise ratio) image.
该算法与基本块匹配跟踪算法相比,克服了原算法运算量大,信噪比较低时匹配不准确等缺点。
The analysis indicates that the sensitivity on a unit mass is nearly independent of the shape of the mass block, whereas it is more dependent on the resonance frequency of that block.
分析表明:单位质量灵敏度和质量块的形状关系甚小,而和共振频率的关系较大。
Gas slugs and gas columns in the inlet channels lead to block of mass transfer in the anode.
进口流道中的气弹和气柱导致了阳极传质恶化。
When the block matrices are virtually impervious, groundwater may be taken as only flowing through joint networks in rock mass.
当岩块处于近乎隔水状态时,岩体中的渗流可看作为裂隙网络流。
Block theory is a new theory to be used in the analysis of jointed rock mass stability.
块体理论是节理岩体稳定性分析的一种新方法。
Rock mass consists of joints and block matrices separated by the joints.
岩体是由裂隙和其间的岩块组成。
The result shows that the influence of basic frequency affected by the mass block of vehicle body structure and its location of centroid is nonlinear.
结果表明,车体结构上的质量块及其形心位置对基频的影响是非线性的。
Comparison was made between the simulated and monitored displacements and an analysis was also made on the stability of the rock mass surrounding stopes in the block.
最后将模拟计算结果与监测结果进行了比较,对矿房围岩的变形稳定性进行了分析。
应用推荐