环境应力

环境应力筛选（ESS）应力参数的确定及其考虑因素

Determination of stressing parameters of environmental stress screening ( ESS ) and its consideration

环境应力破裂（esc）测定-球或针压痕法

Determination of environmental stress cracking ( esc ) - ball or pin impression method

对聚碳酸酯（PC）的耐环境应力开裂性和拉伸性能进行了研究。

The ESC and tensile properties of PC are studied .

耐环境应力开裂的PE电（光）缆护套料的研制

Study and preparation of PE ( optical ) cable jacket material resisting ESC

将聚丙烯（PP）与PC共混，能明显改善其加工流动性，降低成本，提高体系的耐环境应力开裂性能。

Blends of PC with Polypropylene ( PP ) can obviously reduce the cost ;

提高PE管材耐环境应力开裂性能具有重大意义。

It is important to improve the environmental stress - crack resistance ( ESCR ) of PE pipe .

POE、EVA可显著改善HDPE/弹性体/石墨复合材料的耐环境应力开裂性。

POE and EVA can significantly improve ESCR of HDPE composites .

HDPE的耐环境应力开裂性能的研究

A study of Enviromental Stress Cracking Resistance for HDPE

HDPE耐环境应力开裂的机理、影响因素和改进

Mechanism , Effect Factors , and Improvement of Enviromental Stress Cracking of HDPE

LDPE电缆护套料耐环境应力开裂性的改进

Improvement of Environmental Stress - Crack Resistance of LDPE Cable Jacket Materials

对HDPE的耐环境应力开裂性能进行了研究。

The properties of environmental stress cracking resistance ( ESCR ) of HDPE were studied .

HDPE电缆绝缘护套料的耐环境应力开裂性改性研究

Study and Improvement of Environmental Stress Cracking Resistance of HDPE Cable Insulation and Jacket Material

将PECT共聚酯与PC形成合金可以提高PC的耐溶剂性和耐环境应力开裂性。

Blending with PCTG may enhance PC ductility and its resistance to solvent stress cracking .

环境应力对中华猕猴桃（ActinidiaChinensis）组织培养过程生物学效应的初步研究

Primary Study on Biological Effects of Actinidia Chinensis Callus & Seedling on Environmental Stresses

星用外露电缆线环境应力筛选（ESS）试验技术

Tests on Environment Stress Screen ( ESS ) for Cables outside of Satellite

硅烷交联PE因能大幅度地提高PE的耐热性、耐腐蚀性、抗蠕变性、抗化学和环境应力开裂性能而被广泛地用于电缆制造业中。

Silane crosslinked LDPE is widely used in cable manufacturing industry for its excellent heat resistance , corrosion resistance , creep resistance , chemical resistance and ESCR properties .

环境应力筛选（ESS）是保证产品使用可靠性的一种有效方法。

Environmental Stress Sreening ( ESS ) is an effective method to ensure the product reliability .

玻璃化转变温度以下的热处理可以提高PC的拉伸强度，但是对改善材料的耐环境应力开裂性不利。

The tensile strength of PC can he improved by the thermal treatment at the temperature below its glass transition temperature , but the property of the resistance of ESC of PC will be decreased .

几种主要的氧化应激因子的心血管效应及其机制研究环境应力对中华猕猴桃（ActinidiaChinensis）组织培养过程生物学效应的初步研究

Effects and Mechanism of Oxidative Stress Factors on Cardiovascular System Primary Study on Biological Effects of Actinidia Chinensis Callus & Seedling on Environmental Stresses

为考察航天器外露电缆能否承受低于-140℃的温度，特别是温差近200℃的温度冲击，进行了星用外露电缆线的环境应力筛选（ESS）试验工作。

The environment stress screen of cables outside of satellite has been tested against the temperature shocks of 200 ℃ temperature difference .

当POE加入5%（质量）时，体系表现出较好的综合性能。POE、EVA对改善HDPE耐环境应力开裂性是十分有效的

When the content of POE is 5 % , the system reached better complex properties , POE and EVA are effective in improving the ESCR of HDPE

从结构、组成、工艺3个方面阐述了导致黑色LDPE电（光）缆护套料的开裂机理，从而针对性地提出了改进其耐环境应力开裂的具体方法。

The cracking mechanism of black LDPE ( optical ) cable jacket material was discussed from structure , composition and technology , the method improving ESC was given .

以电子元器件为例，对环境应力筛选（ESS）的费用与相应的优化问题进行了研究。

The study is carried out about environmental stress screening ( ESS ) cost and the corresponding optimization problems on electron bulk parts of apparatus .

影响5200B树脂耐环境应力开裂性能的因素及改进措施

Factors Harmful to the ESCR of HDPE 5200B and Remedial Measures Thereof

应用P波初动半周期和地震震级资料测定环境应力值的方法，利用广西台网30多年地震观测记录资料，测算了广西及其邻区大量中、小地震震源处的相对剪切应力强度值。

Based on the earthquake record data of Guangxi seismic network in more than 30 years , the ambient shear stress values around many middle and small earthquake sources in Guangxi and adjacent rigions are determined by using the method of half period in P wave first impulse and magnitude .

高密度聚乙烯6300M和2480的耐环境应力开裂性能研究

A Study on Environmental Stress Cracking Resistance on HDPE 6300M and 2480

聚乙烯电缆护套料的重要性能之一是耐环境应力开裂（ESCR）性能，普通的LDPE树脂不能满足要求。

One of the important performances of polyethylene cable jacket materials is environmental stress-crack resistance , while general-purpose LDPE resin cannot meet all kinds of demands .

加速环境应力试验在COG-LCD中的应用

The use of accelerated environmental stress testing in COG-LCD

试验表明：采用共混及化学改性的方法，HDPE的耐环境应力开裂性能有了很大提高，为解决HDPE树脂在制作管材时出现的短时间内应力开裂问题提供了依据。

The experimental results showed that ESC of HDPE had been improved a lot by blending and chemical modification , which solved the problem of stress cracking of HDPE for a short time when HDPE pipe was made .

研究结果表明：除示性电压、流动性外，化学接枝聚硅氧烷后的LDPE在耐环境应力开裂性、断裂强度、伸长率、击穿场强等方面均比与聚硅氧烷物理共混后的聚乙稀好。

Result of study shows that environmental stress cracking , tensile strength , elongation at break , and breakdown voltage of grafted LDPE are better than that of blent LDPE except incep ˉ tion voltage of electric treeing and fluidity .