查询词典 hardness

The as-deposited boron carbide films deposited below 450℃ are amorphous or microcrystalline with high hardness and high modulus.

与此相应，B4C薄膜的硬度从室温时的42.5GPa小幅度提高到高温下的50.4GPa。

After a long time of post infiltration heat treatment, a great deal of AlaBC is produced in the boron carbide and aluminum composites and the hardness of the composites increases greatly.

对B_4C／Al复合材料的热处理工艺研究表明，经长时间热处理后，B_4C／Al复合材料中有大量的Al_3BC生成，使材料的硬度有显著提高。

It is black opaque body hexagonal crystal and MO-hardness in the 9.15-9.5, which is after diamond and boron carbide with crisp and sharp performance and a certain degree of conductive heat.

仅次于金刚石和碳化棚，性能脆而锋利，并且有一定的导电热性。

According to this point it has good ability to absorb neutron and resist eradiation.Because of their high hardness and strength, excellent wear and corrosion, low density, low friction coefficient good self-lubricate and high temperature properties both silicon carbide and boron carbide components have been widely used in many industries.

由于碳化硼中的B14中子缺失，它还具有较大的热中子俘获截面，具有极好的中子吸收和抗辐射性能，由于其具有耐高温，耐酸碱腐蚀，高强度，高化学稳定性，比重轻，半导体等特点而成为众多行业的首选材料。

If it could stand up to higher energy threats, military experts believe that boron carbide - whose hardness approaches that of diamond - would find greater use as a lightweight armour material for military, police, diplomatic and other vehicles.

因为如果该材料能抵抗高强度武器的话，碳化硼这种和钻石硬度相当的材料能够成为军事车辆、警车、外交车辆和其它车辆的轻型防护材料。

Polycrystalline cubic boron nitride has high hardness, excellent wear resistance and good thermal stability.

本文通过CBN与其他刀具材料的对比，指出PCBN的高硬度、高耐磨性和高热稳定性的特点。

The science and technology of Quot; of card of Quot;3D stereo bougie on international used small structure of 3D in suspension to machine science and technology of small electroform of science and technology, tall hardness to wait for essence of rice of small ／ accept to allow small treatment science and technology, the smallest span that already broke through a tradition to be assembled artificially and most beetle-crusher is counted (limit of Max.pin Counts).

国际上最新研发的quot；3D平面探针卡quot；科技采用了3D悬浮微结构加工科技、高硬度微电铸科技等微／纳米精准微加工科技，已冲破了传统人工组装的最小间距及最大脚数(max.pin counts)极限。

It has been found that, the matrix hardnesses is reduced by about 30 % with the increase of parameter P, and there exists a hardness gradient in phase α from grain center to grain boundary, which is in correspondence with the concentration gradient of alloy elements.

多年来的研究业已发现珠光体耐热钢在高温下长期运行中会发生珠光体球化、碳化物聚集、合金元素在固溶体和碳化物之间重新分配等组织变化[1]。

I just want to differ the brachial blood pressure and arterial hardness value.

我想问一下肱动脉血压和动脉硬度这两个概念之间的差别。

By taking advantage of the non-conjugate transformation and multiple variant equations on braid group s, two intractable problems are proposed, and the hardness of these problems comes from the enlarged amount of va.

辫子群是一种新兴的适用于量子计算机时代的公钥密码平台，辫子群上已知的用于公钥密码系统的一些难解问题和基于这些难解问题的公钥加密算法都受到不同程度的攻击。

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％。