查询词典 hardness

Reserves of 400 million tons of basalt, its hardness and toughness ranking first, second in the world.

玄武岩 储量4亿吨，其硬度和韧性居全国之首，世界第二。

Electrical discharge machining as a nontraditional machining method can machining any kind of electrical conductive material by pulsed discharge process which erodes electrode materials. Because of its processing quality independence of part shape and material mechanical properties such as hardness, strength and toughness, EDM becomes one kind of basilic machining means and is playing an important role in the field of modern manufacturing, especially in mould manufacturing industry.

电火花加工技术通过放电蚀除材料，实现对任意导电性材料加工，而不受材料硬度、强度、韧性等力学性能及形状的限制，成为制造技术领域中重要的加工手段，在现代制造领域，特别是模具制造领域占据着重要的地位。

So "Qinghua jade" is not the appropriate name for the jade and it is suggested that it should be named "epidote-tremolite jade", which is a kind of good jade material because of its compact structure and high hardness and could be easily distinguished from the other jades through the distinct features of the colour and structure.

其结构致密，硬度高，是一种较好的玉石材料，以特征的颜色和结构易与其它玉石相区分。

Thus, these rolls require a higher surface hardness and must be hardened to a greater depth.

因此，辊子需要较高的表面硬度和较深的硬化层深度。

As the size of parts to be hardened increases, the surface hardness decreases somewhat even though all other conditions have remained the same.

即使所有其它条件保持不变，随着要淬火的零件尺寸的增加其表面硬度也会有所下降。

Therefore, the bed should be moderate hardness, the most suitable bed is covered with soft and hard board bed, thick mattress.

因此，床应该软硬适中，最适合的床就是在硬板床上铺上柔软厚实的褥子。

X-ray diffraction was utilized in phase identification; scanning electron microscopy was used for the analysis of microstructure and fracture surface. Density, hardness and three point bending strengths were measured.

利用X射线衍射分析样品相组成，运用扫描电镜分析材料的显微组织和断口形貌，并对试样的密度、硬度和抗弯强度进行了测定。

The hardness, sphericity, and mass of a billiard ball seem to be nothing at all like the quality of your experience of a headache or the taste of a mango.

一个台球的硬度、球度『译注：指颗粒的形状与球体相似的程度』、质量似乎根本不象芒果味道、头疼等你的体验的性质。

In the historical context nowadays, art works on show this time will not be featured by rage and bloodiness of the scar age, the pain and grief or hometown art, confrontation and mockery of popular art, desperation and hardness of cynicism, or the scoff and larkishness of raffish paintings; what the artists provide with will be an experiment, an exploration, a technology, a conception and a new beautiful visual enjoyment.

在今天的历史的语境下，本次提名展所奉献的作品将再也看不到伤痕时代的愤怒与血腥，乡土艺术的疼痛与忧愁、政治波普的对抗与嘲笑、玩世现实的绝望与无赖、艳俗绘画的调侃与嬉戏，艺术家们提供的是一种实验、一种探索、一种技术、一种观念和一种新的美丽的视觉经验。

The testing results show that the average Mohs hardness of the samples is up to 4.45 and the average density is up to 2.7485 g/cm^3, where the major mineral is sericite with small scaly structure and orientational arrangement, and the other minerals are quartz, chlorite and a small quantity of zircon, orthoclase, kaolinite and bornite, etc.

测试结果表明：样品的平均摩氏硬度为4.45，平均密度为2.7485g/立方公分；其主要矿物为绢云母，呈细小鳞片状结构，定向排列，还含有石英、绿泥石以及少量的锆石、正长石、高岭石和斑铜矿等。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。