Casehardening involves a change of surface properties to produce ahard,wear-resistant shell about a tough,fracture-resistant core.

表面硬化包含一个高硬度、耐磨性壳以及高性芯。

The RE(Y)-Mg-Si-Fe nodularizer had been used to cast heavy sectioned high ductile nodular iron cooling wall castings.

应用钇基重稀合球化剂，铸造厚大断面高性球铁冷却壁，成功地获得了铸件中心部位铸态高性能。

Good toughness and thermal cracking resistance.Used in the stands of prefinish rolling.Suitable for hot rolling thread steel.

具有优良性和抗热烈纹能力,适用于预精轧机架和热轧螺纹钢.

What the team discovered is that the key to the hoverfly’s successful hovering is the flexibility of its wings.

这个小组所发现是，食蚜虻空间成功悬停关键是牠翼柔性。

Glass fiber is used to reinforce material for increasing toughness, flexural strength, and tensibility in unsaturated polymer modified concrete.

玻璃纤维则是作为强化材,以增加水泥浆体性及抗弯、抗拉等机械性质。

The toughness may be well improved by postheat treatment which is large in energy consumption and long in working period.

焊后热处理可以较好地改善焊接接头性，但耗能大、工时长等问题。

Characteristics of plastic deformation of stress minerals in veins, such as subgrain tectonics, deformation, lamellae and deformation bands, can be found.

金矿形成富集与性剪切带多期(次)活动密切相关，尤其是脆性变形期。

It is shown that the fracture properties are determined by materials strength before tufftride process and by materials toughness after tufftride process.

疲劳最后断裂性质取决于材料强度和性。

Results To be overweight and superfatted is universal phenomena about midlife in-service cadre,which cause weak heart and lung and renitent muscle and ligamenta of waist.

结果超重及脂肪含量超标是中年职干部普遍问题,由此导致心肺能力下降、腰部肌肉和带柔性降低等一系列问题。

Based on the macroscopic characteristics, microstructure and fabric of the tectonite in the Yingxin fault zone,this paper proves that there are two types of tectonite, i.

依据龙门山中段映秀断裂带构造岩宏观地质特征、显微构造及组构特征，论证了构造岩具有脆性和性两大类型，形成序次上为先性后脆性。

In the ductile shear belt,the alteration and zonation of tectonite and wall rock are obviously,and miliolite belt,quartz,iron pyrite,ankerite alteration belt and gold mineralization belt are trinity.

性剪切带内构造岩、围岩蚀变分带明显,并具有典型“(超)糜棱岩—石英、黄铁矿、铁白云石化—金矿化”等“三位一体”成矿特征。

The PP armchair produced by this special compound has a good impact resistance, high strength, good ageing resistance, good corrosion resistance and dimensional stability and good lighteness.

用该专用料生产方椅具有强度高、性好、耐老化、耐腐蚀、尺寸稳定、表面光亮等优点,现已批量生产。

It is proved that the pressmark of tooth root, the state of carbide and remanentelements in the material have different effects on the toughness of POwer hacksaw blades.

结果证明，机用锯条分齿压痕、基体碳化物状况以及材料中残元素等对机用锯条性有不同程度影响。

Don't underdo it.This doesn't mean you just sit whenever the whim strikes you.It means you set up a practice schedule and keep to it with a gentle, patient tenacity.

这不是说，你只是随心所欲静坐，而是建立一个练习计划，然后以一种温柔但又性坚持。

Results showed that the flexual strength and the flexual toughness index of UHPC become more than 2 times and 10 times respectively of those 0f the matrix concrete by the reinforcement of fibers.

结果表明通过纤维增强和增作用，超高性能混凝抗弯强度和弯曲性指数分别提高到2倍和10倍以上。