结果表明，FU的加入可明显改善PP低温脆性，提高冲击强度。
The results showed that the low temperature brittleness and impact strength of PP were improved observably by blend with FU.
论述了高锰钢的低温脆性，建立了用液氮冷冻工件的低温切削方法。
The brittleness of high-manganese steel under low temperature is discussed. A method of Iow-temperature cutting with liquid nitrogen freezing of the workpiece has been developed.
通过理论分析和系列冲击试验，对高锰钢出现的低温脆性损坏进行了分析研究。
The study of damage of low temperature brittleness on high manganese steel has been carried out by theoretical analysis and a series of impact tests.
阐述了冷冻粉碎技术的原理，研究了低温脆性与玻璃化转变及转变温度的关系；
The principle and process of freeze grinding were analyzed. The relationship between the brittleness and glass transition was discussed.
冰块的脆性和低温竟然能致牙齿断裂。
The brittleness and cold temperatures of ice cubes can actually cause teeth to fracture.
研究目的：钢轨钢材在低温下力学性能变差，容易发生脆性破坏，这直接威胁着铁路运输的安全。
Research purposes: at a low temperature, the mechanical properties of rail steel get worse and brittle (failures) can happen more easily.
主要介绍了常用的几种低温性能试验及如何使用，其中包括脆性温度试验、温度回给试验和吉门试验等。
Some kinds of ten used tests of low temperature properties and their use methods were mainly introduced, including test of fragileness temperature' TR test and Gehman test.
结果表明：随淬火温度提高，低温回火脆性区向高温区漂移。
The results show with increasing quenching temperature the brittle temperature of the steel tempered at low temperature brittle temperature moves upwards.
而低温拉伸由于缺乏足够的能量使得大量缺陷产生，碳纳米管主要表现为脆性断裂。
At low temperatures, due to the lack of sufficient thermal energy for activating large amount of topological defects, CNTs primarily show brittle fracture behavior.
而低温拉伸由于缺乏足够的能量使得大量缺陷产生，碳纳米管主要表现为脆性断裂。
At low temperatures, due to the lack of sufficient thermal energy for activating large amount of topological defects, CNTs primarily show brittle fracture behavior.
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