In the light of equilibrium of forces for a stable powered support, the concept of the area of force equilibrium, showing the mechanical characteristics of the powered support, is introduced.

It is simple and easy to be popularized on-site to judge support stability by using the concept of the area of force equilibrium.

运用所提出的力平衡区的概念判断支架稳定性，方法简单，便于在现场推广应用。

After cold deformation, T T S curve and IGC generation area of 304 stainless steel move toward low temperature and long time sensitization side.

304不锈钢经冷变形后TTS曲线的IGC发生区向低温和长时间敏化侧移动。

Simple Methods of Calculating the Section Area of the Vertically-Pulled Steel in the Bending Member on the Rectangle Section of Steel Concrete

钢筋混凝土矩形截面受弯构件纵向受拉钢筋截面面积的简便计算方法

The Investigation of the relationship between human health and air pollution in the area of Pan Zhi-hua Steel and Iron Plant

四川省渡口市攀钢地区大气污染与人体健康关系的研究

Theoretic calculation of cross-sectional area of INTERNAL-THREAD shaped steel tube

内螺纹异型管横截面面积的理论计算

The stability is always the key problem in the area of cold-formed thin-walled steel structures.

稳定问题一直是冷弯薄壁型钢结构研究的重点。

Preliminary discussion on the detection of underground pipeline in old plant area of iron and steel complex

浅谈钢铁企业老厂区地下管线探查

Preliminary study on ratio of area contraction of 45 steel

45钢断面收缩率初探

Using the C program language, workout the program of calculating the area of reinforcing steel bar and checking the ultimate of the kind of pre-stressed reinforced concrete hollow slab, which provides the compute program for the design and check of the post-post-tensioning pre-stressed reinforced concrete hollow slab.

采用C语言编制后张预应力混凝土空心板的配筋及承载力计算程序，为后张预应力混凝土空心板的设计和验算提供电算程序。

Spiral coil pipe is shaped by means of utilizing the effect of intermediate frequency induction in order to quickly heat the limited area of a steel pipe, making the heated pipe within its plastic deformation range follow the preset track at a definite speed.

螺旋盘管的成型是利用中频感应效应使管子在小区域内快速加热，被加热的管子在其塑性变形范围内，按预先设定的轨道以一定的速度向前推进达到成型。

Modifying the yield line pattern in reference 〔 1 〕, a defect of the theoretical solution in reference 〔 1 〕 is mended, that is, with increasing the area of the steel plate, the load carrying capacity will increase to infinite.

改进了文献〔1〕的塑性铰线模式，修补了文献〔1〕的理论解的一个缺陷，即随着粘钢板的面积增加，承载力上升至无穷大。

In this experiment, some conditions, such as the strength of concrete, the area of angle steel, ends of the steel and modes of loading are considered, and the influence of them are analyzed.

本次试验从混凝土强度等级、粘钢面积、锚固情况和加载方式这几方面入手，研究了这些因素对加固效果的影响。

The stability is the key problem in the area of cold-formed steel structures. Although the design standards in different countries are not the exactly same, most of them are compiled around the stability problem.

稳定问题是冷弯薄壁型钢结构领域的核心问题，各国的设计规范虽不尽相同，但大多都是围绕着稳定问题来编制的。

As the exposed area of the steel matrix increased, the cathode depolarization process and the corrosion velocity were raised, and the protection lifetime of aluminum coating decreased.

裸露于腐蚀介质中的钢铁面积增大，促使阴极去极化过程快速进行，腐蚀速度加快，涂层防护寿命缩短。

Through experimental and FEM analysis, the stress state in the side area of the steel beam and bonding behavior between concrete and embedded jumbo size steel bar are studied.

通过试验和有限元分析，研究了钢梁端部的受力状态以及埋设在混凝土剪力墙内的大尺寸方钢与混凝土之间的粘结性能，验证了使用荷载下连接节点系统的可靠性。

In the method, control equations for the crack resistance capacity of the normal section are established, thus the area of prestressed steel tension member may be calculated.

该方法首先建立了构件在正常使用极限状态下的抗裂性能控制方程，并以此求解预应力筋的面积；

Teacher: We have worked out the area of the steel plate. Use their relationship, we can work out the weight of the whole steel plate.

师：上题已求出了钢板的面积，应用这个数量关系，我们就可以求出钢板的重量了。

This paper investigated the hydrogen effects on facture toughness in the fusion area of stainless steel weld overlay.

研究了氢对不锈钢堆焊层熔合区的断裂韧性的影响作用。

The monitoring results of the construction effective area of single steel slag pile and the upheaval values of foundation are also analysed.

对单桩施工影响范围和施工时地基隆起量进行了观测。

Fracture Toughness Investigation of the Fusion Area of Stainless Steel Weld Overlay Specimens Before and After Hydrogen Charging

不锈钢堆焊试件熔合区充氢前后的断裂韧性研究