硬质

It was coated with prepared mixed powder on surface of steel, sintered in vacuum furnace.

这种方法是将混合后的粉末，涂敷在钢铁材料的表面，经过真空烧结后获得硬质覆层。

At impacting condition, rigid polyarethane foam, rubber, and MDF concrete exhibited static friction coefficient of 0.29, 0.285, 0.28 - 0.29, and dynamic friction coefficient of 0.25,0.24, 0.23 respectively when running against aluminum lever.

在冲击加载条件下硬质聚氨酯泡沫塑料与铝杆之间的静摩擦系数为0.29，动摩擦系数为0.25；硅橡胶与铝杆之间的静摩擦系数为0.285，动摩擦系数为0.24；MDF水泥与铝合金杆之间的静摩擦系数为0.28～0.29，动摩擦系数约0.23。

In the choice of the external retaining wall system materials, the project selected舒布洛克system walls, lateral tiling or stone can be effectively reduced "cold bridges" and other adverse effects; form of aluminum material selection alloy bridge frame off the cold feed and double Low-E Low-e insulating glass, energy-saving effect; Roofing Shop increases by 50 mm thick rigid polyurethane foam.

在选择外部挡土墙系统材料，该项目选定舒布洛克系统墙壁，横向分块或石头，可以有效地减少了"冷桥"和其他不利影响；形式的铝材料选用合金框架桥从冷喂料和双低辐射低辐射中空玻璃，节能效果；屋面铺增加了50毫米厚的硬质聚氨酯泡沫塑料。

Meanwhile,The distributed pattern of PURF particles is observed by microscope.The results show that the bearing capacity of cellular columniation is evidently improved by the infilling of additive.With the increasing content of additive,the compress strength of PURF was effectively enhanced f...

实验结果表明，泡孔支柱处的增强剂加强了其承载能力，有利于压缩性能的提高；随着增强剂用量的增加，PURF压缩强度和模量先增加后降低，即增强剂用量处于最佳用量范围内时，PURF体现最好的压缩性能；并随着纯聚氨酯硬质泡沫塑料密度的增加，其压缩性能有显著的提高。

The gravity or shake corer can be adopt for the soft sediment, and the rotary corer for the hard sediment; 3 carry out the core transfer technique under pressure.

对松软的非岩性沉积物采样时，可采用重力驱动或震动冲击驱动保真采样装置；对硬质岩化的沉积物采样时，可采用回转式保真采样装置。3）重点开展沉积物样品无压降转移技术。

Coating technology is one of its curial parts, to which more and more attentions have been paid for many years.

高硬度和优良的抗氧化能力是刀具涂层的重要性能指标，因而成为近年来硬质薄膜材料研究的热点。

Some contri butions have been obtained as follows: 1 Bonding strength of hard coatings is suggested to be evaluated by cyclic loading method.

膜基界面结合强度是表面涂层最基本的问题之一，良好的结合强度是保证涂层得以发挥作用的先决条件，对于工模具上的硬质涂层，膜基结合强度尤为重要。

The results showed the synergistic effect was the best when epoxidized soybean oil was used as auxiliary heat stabilizer;β-diketone could restrain the early coloring up effectively; when non-lead and non-tin thermal stabilizers were used as main stabilizer, and houghite as auxiliary heat stabilizer, the stability of rigid PVC was improved perfectly, which showed great potentialities in its development.

结果表明：环氧大豆油作为辅助热稳定剂时，与各种主稳定剂的协效作用最好；β-二酮在抑制初期着色方面表现优异；以无铅无锡型为主稳定剂、水滑石为辅助稳定剂时，硬质PVC的热稳定性能有很大提高，因而有着很大的发展潜力。

Interms of the experimental results, the dispersion medium and condition could be reasonablyselected for those powders.

探讨了超细和纳米硬质相粉末在水溶液和无水乙醇中的分散行为以及表面活性剂对分散的影响。

Ultimate leaf segments rigid,± divaricate out of water.

末级长出叶子硬质的裂片，多少在浇水之外。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。