金属的

After profound systematic theoretical and testing reasearch of metal rubber mechanical property,manufacturing technology,macro-micro constitutive relation and metal rubber spring coupling technique, we present deep intercross wiring manufacturing technology,establish infinitesimal spring constitutive model,non-symmetry elastic hysteresis constitutive model,dissipation factor testing method based on equivalent stress function and key technique methods of metal rubber elastic damping fabrication.

我们针对金属橡胶力学性能、制造工艺、宏观、微观本构关系及金属橡胶制造弹性联轴器关键技术开展了系统深入的理论与实验研究，提出了基于深度交叉钩联编织技术的制造工艺方法、建立了微元弹簧组合的微观本构关系、非对称弹性变形滞迟泛涵宏观本构关系、基于等效应力函数概念的损耗因子测试方法和金属橡胶制造弹性阻尼元件关键技术。

In the field of metal forming, the study of workability or formability of material and defects during metal forming is the focus of researchers.

在金属压力加工领域内，金属材料的成形性能与金属在成形中的缺陷的研究一直是人们关注的课题。

It is proposed that the runner location should be first to be selected to ensure molten metal filling along the die wall in order to reduce melt flow resistance and then ingate should be located in the heavy section of the workpiece to which the melt would be filled at the beginning. As a result, the applied pressure could be transmitted fluently to avoid shrinkage cavity and to ensure castings quality.

指出浇道位置的选择首先要保证金属液沿着型壁顺序充填，以减少金属液的流动阻力；内浇道应使液态金属从制件厚壁处开始充填，以利压力的传递，消除缩孔，保证制件的质量。

The electromagnetic pressure produced by the counteract of magnetic field in coil and the eddy current in liquid metal is ma inly determined by the magnetic flux density on the surface and its dissipation in the liquid metal.

在分析液态金属电磁成形理论模型的基础上确认：作用在液态金属表面的电磁压力和加热密度主要取决于其表面上磁场的大小以及磁场在液态金属中的分布规律。

ERwi/SJ0 At present, we mainly provide three series of products based on our own research and development, including:1、Copper Roof Tile Series;2、Colored Stone-coated Metal Roof Tile Series ;3、Interlocking Metal Roof Tile Series.

北京卡普泰尔科贸有限公司是当前国内最专业研发生产金属瓦类产品的厂家之一，更是中国第一家自主研发并生产沥青铜瓦系列产品的企业。目前，我公司自主研发生产的系列产品包括：沥青铜瓦系列、多彩蛭石金属瓦系列、契合式金属板屋面系统等。

By establishing the large scale plate cutting center in a steelworks, the steelworks, plate cutting center , and users are related using the computer network.

通过在钢铁企业建立大现模金属材料下料中心，利用&计算机网络&将钢铁厂、金属材料下料中心及众多用户联系起来，使得钢厂的排产、金属材料下料中心的套料加工及用户产品的下料有序结合。

We go to our complete metal working shop to cut, punch and bend metal to make unique metal molds

我们去完成我们的金属加工店切割，冲压和弯曲的金属，使独特的金属模具

Furthermore, we investigate the dependence of surface morphologies and continuities of metallic structures on fabrication conditions.

我们通过将表面活性剂引入多光子光还原过程，限制了金属纳米颗粒的还原生长，使多光子加工技术的金属加工分辨率超过传统光学理论衍射极限，实现了纳米尺度的金属加工。

MMC has a good application prospect in field of aviation, astronavigation and automobile. In this paper, the type of MMC, its moulding method and principal strengthening performance index are introduced, the reinforcing mec...

综述了金属基复合材料的类型、成型方法及主要强化性能指标，阐述了颗粒强化金属基体的机理，提出了用纳米颗粒强化金属基体的新思路，简要介绍了实验方法，预测了性能改善程度，并阐述了其发展前景

In addition, in-situ infrared spectroscopy provides the information about the nature of the surface acid and base sites. For example, Lewis acid and base sites on metal oxides are coordinatively unsaturated metal cations and oxygen anions, respectively, while Brinsted acid and base sites are the hydroxyl groups on the surface.

结合原位红外光谱，还能够详细地了解表面酸碱中心的性质：金属氧化物表面的Lewis酸中心和碱中心分别是表面配位不饱和的金属离子和氧负离子， Brinsted酸中心和碱中心则是金属氧化物表面的羟基。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。