查询词典 hardness

Effect of the variation of micro structures in each zone of HAZ, and micro hardness by flash butt welding was analyzed.

讨论了焊接HAZ组织演变的过程，分析了闪光焊HAZ各区段的显微组织、显微硬度的变化。

The microstructure of ZL102 alloy was observed after annealing at different temperature by metallography microscope. The rule of hardness changing along with annealing temperature was obtained, the corrosion resistance was compared by all soaks, the corrosion appearance was observed.

中文摘要：利用金相显微镜观察经不同温度退火处理的ZL102合金的显微组织，通过测量硬度得出其随退火温度的变化规律；并通过全浸腐蚀试验比较其耐腐蚀性，观察其在不同温度下的腐蚀形貌。

The hardness value of 13MnNiMoNbR plates used in making the cabriole synthesis tower should be limited within certain scope when the material purchase.

摘 要：用13MnNiMoNbR制造甲醇合成塔过程中。通过对原板材采购时硬度值的限制及对焊接预热。

Is mainly composed of calcium magnesium sulfate, chloride and nitrate as the hardness of the form salts.

主要是由钙镁的硫酸盐、氯化物和硝酸盐等盐类所形成的硬度。

The high carbon steel is chieflycharacterized by its high hardness and wear resistance.

高碳钢的主要特点是具有高硬度和耐磨性。

I like to keep a PH of around 8.8, temperature at around 76 degrees, and Carbonite hardness around 220 PPM.

在水体内做什么动作，很容易使它们受到惊吓，并导致疾病。

Although there is a little carbonite caused by some magmatic dikes in the CarboniferousPermiam coal, most Carboniferous-Permian coal has no great differences in vitrinite reflectance, crystalline indices, bulk specific gravity, hardness, and the content of velotile matter from the Jurassic coal, and both are super-anthracite.

区内石炭—二叠系煤与侏罗系煤除了前者含有一些由侵入体造成的天然焦或半焦外，二者均为超无烟煤，在镜质体反射率、煤晶核结构、显微硬度、挥发份和容重等方面上均没有明显的差异，说明区域变质是在煤系地层沉积之后发生的。

The high strength and hardness of bamboo were mainy determined by the structural characteristics of cell wall.

竹材的高强度、高硬度等力学性能，主要由竹材细胞的细胞壁结构特性决定。

A substantial precipitation of cementite begins at 600℉(315℃), which produces a decrease in hardness.

渗碳体的大量析出开始于 600℉(315℃)，这使硬度下降。

With excellent hardness and impact toughness cermet can be applied to situation with a little energy impact.

结果表明，试验所获得的金属陶瓷与低合金钢基材之间为冶金结合，金属陶瓷具有良好的硬度和冲击韧度，有望在小能量冲击工况下得到应用。

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％。