查询词典 slab

By making theoretical analysis on vibration characteristics of a single slab and multi ones set in the inverted arch ring, four processes about stability failure, that is free vibration, locking, sleeking and distortion are proposed on the condition that water sealing was damaged and anchor-hold was out of action, a formula of the slab's maximum free displacement and dynamic equations in each process are obtained.

对反拱水垫塘单底板块和多底板块振动特性进行了理论分析，提出了拱圈底板块失稳分为自由振动、锁定、滑动变形及拱圈失稳四个过程，给出了各振动过程的动力学方程以及底板块自由振动的最大理论高度的计算公式。

The shear wall core is torsionally restrained by the ground-floor slab at level 1 and by its connection to the main building through concrete slab diaphragms located at level 11 and above.

剪力墙核心体抵抗扭矩的结构由1层的楼板和11层及以上的其与主体结构通过混凝土楼板的连接提供。

Recently, the cracks of concrete are common in building structures, they appear in the slab of roof, the slab of wall, basement and so on. They affect the safety and durability, and lead to trouble and compensation in real estate. Although many of clacks do not affect the safety of building, people believe that the cracks are the sign of dangerous, and are afraid of the cracks.

近年来，混凝土的裂缝问题在工程实践中越来越突出，楼面板、墙板、地下室等的开裂现象随处可见，对结构的安全性、耐久性提出了考验，在房地产开发中由于裂缝问题引起的纠纷和索赔不计其数。

Taking U71Mn steel as an example, the effect of heating time, protective coating and rolling deformation rate on decarburization and oxidation of the heavy rail slab has been studied by observing the changes in the slab's decarburized layer in the course of heating and rolling.

以U71Mn钢为例，通过观察在加热和轧制过程中的钢坯脱碳层的变化，研究加热时间、保护涂料和轧制形变率对重轨钢坯脱碳和氧化的影响。

Taking U71Mn steel as an example, the effect of heating time, protective material and rolling deformation rate on decarburization and oxidation of the slab has been studied by observing the changes of the slab's decarburized layer during the course of heating and rolling.

本文结合武钢大型厂U71Mn重轨钢，通过观察在加热和轧制过程中的钢坯脱碳层的变化，研究了加热时间、保护涂料和轧制变形率对重轨钢坯脱碳和氧化的影响。

An ultra-high strength, weldable, low alloy steel with excellent cryogenic temperature toughness in the base plate and in the heat affected zone when welded, having a tensile strength greater than 830 MPa (120 ksi) and a micro-laminate microstructure comprising austenite film layers and fine-grained martensite/lower bainite laths, is prepared by heating a steel slab comprising iron and specified weight percentages of some or all of the additives carbon, manganese, nickel, nitrogen, copper, chromium, molybdenum, silicon, niobium, vanadium, titanium, aluminum, and boron; reducing the slab to form plate in one or more passes in a temperature range in which austenite recrystallizes; finish rolling the plate in one or more passes in a temperature range below the austenite recrystallization temperature and above the Ar3 transformation temperature; quenching the finish rolled plate to a suitable Quench Stop Temperature; stopping the quenching; and either, for a period of time, holding the plate substantially isothermally at the QST or slow-cooling the plate before air cooling, or simply air cooling the plate to ambient temperature.

在基体板以及焊接时的热影响区处的低温韧性优异的超高强度、可焊接、低合金钢具有高于830MPa（120ksi）的抗拉强度，并且具有包含奥氏体薄膜层和细晶粒的马氏体／下贝氏体板条的显微层状组织，所述钢的制备过程为：加热含有铁以及特定重量百分比的添加元素的钢坯，所述添加元素为碳，锰，镍，氮，铜，铬，钼，硅，铌，钒，钛，铝，以及硼中的一些或全部；在奥氏体可发生再结晶的温度范围内，采用一个或多个道次，将所述钢坯轧制成板材；在低于奥氏体再结晶温度但高于Ar 3 转变点的温度下，采用一个或多个道次对所述板材进行终轧；将所述终轧板材淬火至一适当淬火终止温度；停止所述淬火；或者在空冷前在QST点基本等温保持所述板材一段时间，或者对所述板材进行缓慢冷却，或者只是简单地将所述板材空冷至室温。

Energy saving and cost reducing : such as improvement of reheating process, optimization of slab size and slab grade.

节约能源和降低成本：如改进加热过程，优化的坯料尺寸和坯料钢种。

After mending the disease of asphalt pavement by replacing damaged parts,the Portland cement surface slab with common dimension is repaved directly,not using the former method of repaving ultrathin small concrete slab any more.

在对旧沥青路面的病害进行挖补维修处理后，与以往研究采用的加铺超薄层小板块混凝土不同，而是采用直接加铺常用板块尺寸的普通水泥混凝土面层。

If so, there are outstanding questions as to what controls the slab behavior for stagnation, how much of the subducted slab can stagnate in the transition zone before it eventually sinks.

由此带来的动力学模式什么力来支撑着停滞的板片，在板片最终下沉到下地幔以前，有多少俯冲的板片能停滞在间断面之上，这些问题都还需要更合理的解释。

In this paper,the stability of arch slab under the action of the plunging jet is investigated.The pressures on upper and lower surfaces of the slab and push force of arch abutment are measured.A generalized formula for uplift force is proposed.

通过实验分析，研究了冲击射流下拱形底板失稳型式，量测了底板上、下表面压强分布，概化了时均上举力的计算公式，实测了动水荷载作用下拱端推力。

In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代，船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单，希望发动新暴动的人便寥寥无几。