He is a man of brick: as if he had been born as a baby literally of clay and decades of exposure have baked him to the color and hardness of brick.

他是条硬汉子:好像生来就是泥质的，几十年的风风雨雨把他烧得像砖一样又黑又硬。

属类：综合句库-英汉翻译-

He set up a school at the lyceum in Athens and taught, criticizing Pluto and Socrates with a certain hardness

他在雅典的学园设坛讲学，对柏拉图和苏格拉底批判的多少有些苛刻。

属类：综合句库--

It produces more reliable results for high hardness materials, but identical values for softer materials.

它对于高硬度材料可得出更可靠的结果，但是对较软的材料也得出相同的数值。

属类：行业术语-检验检疫-

Which has much super specific prosperity, such as high heat-resisting, corrosion-resisting, super mechanical strength, super insulation, light weight, high strength, high coefficient of elasticity, high hardness etc.

它有优良的耐高温、高热、耐腐蚀性能、有良好的机械强度、电绝缘性、轻量、高强度、高弹性模量、高硬度等特性，

属类：化学及生命科学-化工-化工论文摘录

Steel bonded tungsten carbides-Determination of Rockwell hardness (scales C and A)

碳化钨钢结硬质合金洛氏硬度(C和A)的测定

属类：行业标准名称-国家标准名-GB/T10420-1989

Hardness caused by calcium bicarbonate is known as temporary, because boiling converts the bicarbonate to the insoluble carbonate; hardness from the other salts is called permanent.

碳酸氢钙经煮沸后能变成不溶性碳酸盐，故由碳酸氢钙引起的水的硬度称为暂时硬度;由其它盐类造成的硬度称为永久硬度。

属类：化学及生命科学-化学-

Vickers hardness test. The Vickers diamond pyramid test is similar to the Brinell test, but it employs a small diamond of pyramid shape, instead of a steel ball.

维氏硬度别试;维氏金刚石棱椎试验与布氏硬度试验相似，但是它使用棱椎形小金刚石压头，而不是用钢球。

属类：行业术语-检验检疫-

Verification of vickers hardness testers(less than HV 0.2)

维氏硬度计(小于HV0.2)的检验

属类：行业标准名称-国家标准名-GB/T17198-1997

I can’t open the door with hardness of stone.

我不能打开那扇石门。

属类：综合句库--

Tungsten is relatively inert, but compounds (in which it has various valences)are known. The most important, tungsten carbide, noted for its hardness , is used to increase the wear-resistance of cast iron and of tools’ cutting edges.

钨的化学性质相对不活泼，但已经知道它有化合物(其中钨有各种原子价)。最重要的是碳化钨，以它的硬度著称，用来增强铸铁以及工具切割刀口的耐磨能力。

属类：化学及生命科学-化学-

Colourless optical glass test methods--Knoop hardness

无色光学玻璃测试方法克氏硬度测试方法

属类：行业标准名称-国家标准名-GB/T7962.21-1987

fine ceramics(advanced ceramics,advanced technical ceramics)-test method for hardness of monolithic ceramics at room temperature

细陶瓷-单块陶瓷常温硬度试验方法

属类：行业标准名称-试验方法-

Today the most important are the alloy steels, which have a wide range of special properties, including hardness , toughness, corrosion resistance, magnetizability, and workability.

现在最重要的是合金钢，合金钢具有范围广阔的特殊性能，如硬度、韧性、耐蚀性、磁化能力和延展性。

属类：工程技术-工程-

A number of natural proteins are very rich in disulfide bonds, and their mechanic properties (tensile strength, viscosity, hardness , etc)are correlated with the degree of disulfide bonding.

许多天然蛋白质非常富含二硫键，其机械性质(张力强度、粘性，硬度等)都与二硫键的程度有关。

属类：化学及生命科学-化学-化学习题

The old snow has compacted into the hardness of ice.

雪堆积日久而凝固如冰。

属类：综合句库--

Indentation methods of hardness testing comprise two principal groups

压痕法测定硬度包括两大类。

属类：综合句库--

Once a satisfactory system of lubrication has been secured the hardness of the interacting elements becomes critical

一旦获得了满意的润滑系统，相互作用的元件的硬度就成为紧要之事。

属类：综合句库--

Some methods use the surface area of the indentatiort as an index of hardness , and others use the depth of the indentation as the index of hardness.

一些方法是用压痕的表面积作为硬度指标，而另一些则用使用压痕的深度作为硬度指标。

属类：行业术语-检验检疫-

Hence, the hardness of the tool and the degree to which it remains its hardness at high temperature are important in the selection of a cutting-tool material.

因此,刀具的硬度和它在高温下所能保持的硬度是选择切削刀具材料时的重要因素。

属类：产品说明书-机械产品说明-

The advantage of hardness test is fast, inexpensive and relatively nondestructive, leaving only a small indentation in the material.

硬度测试的优点是快，便宜，并且比较不具破坏性，只在材料上留下小小的压痕。

属类：行业术语-检验检疫-

Hardness can be defined as resistance to indentation or scratching, and is usually stated relative to other materials. Scales of hardness usually give high numbers to hard materials, and low numbers to soft materials. Hardness is reduced by heating.

硬度可以被定义为抵受压痕或划痕的能力，通常是相对于其他材料而言。对于硬的材料，硬度范围通常给予高的数值，而对软材料给予低的数值。当加热时硬度下降。

属类：行业术语-检验检疫-

Hardness is caused by divalent metallic cations

硬度是由一些两价金属阳离子引起的。

属类：综合句库--

A stone once believed to be impenetrable in its hardness .

硬石，金刚石一种曾被认为在硬度上不可穿透的石头

属类：综合句库--

Knowing your natural temper better than I, he could the better judge what arguments to use, whether of tenderness or terror, such as might prevail over your hardness and obstinacy;

由于他比我更了解你的秉性,他应该是个更合格的法官,他更清楚应该选用什么样的刚柔相济的辞令,来克服你的桀骜不驯

属类：文学表达-英语名著-

Beneath Ruth’s composure he sensed an uncharacteristic hardness

在露丝的平静下面他感到一种反常的严酷。

属类：综合句库--

General test method for footwear--Test method of hardness

鞋类通用检验方法硬度试验方法

属类：行业标准名称-国家标准名-GB/T3903.4-1994