Weathering

Weathering Test Technology for Polymer Material;

高分子材料的气候老化实验技术

This article describted in a systematic way the weathering mechanism of synthetic materials based on polymer photochemistry.

以高分子光化学原理为基础,系统地阐述了高分子材料气候老化的机理,包括老化特征、光老化历程———光激发的物理化学过程与光诱导的氧老化过程;结合我们实际的研究工作论述了影响高分子材料大气老化的主要因素。

During the natural weathering of R-PVC thick samples over long periods its chemical constitution and mechanical properties, as well as the relationship between them have been examined and investigated.

对进行长期自然气候老化试验的R-PVC厚样品跟踪检测,研究它们的化学结构与力学性能的变化及其相互之间的关系,发现曝露样品力学性能的变化分为对气候老化层的发生与发展敏感的与不敏感的两类,认为这是由于R-PVC的光分解-氧化反应的不均匀性分布和样品的比表面效应所致。

The anti-pollution and anti-weathering performance of MOA was described and the re- quirements for MOA stipulated in relevant standards and 5000h weathering test results were analyzed.

阐述了避雷器的污秽性能及长期气候特性,分析了避雷器有关标准要求和5000h气候老化试验。

Effects of artificial weathering on the structure and mechanical properties of thermoplastic elastomer SBS;

人工气候老化对热塑性弹性体SBS结构与性能的影响

The effects of artificial weathering on the chemical structure,surface topography and mechanical properties of ethylene-propylene-diene monomer(EPDM)were investigated by X-ray photoelectron spectroscopy(XPS),scanning electron microscope(SEM),computer-controlled testing machine and spectrophotometer.

利用氙灯人工气候箱对三元乙丙橡胶(EPDM)进行人工气候老化实验,采用X射线光电子能谱(XPS)、扫描电子显微镜(SEM)、电子万能试验机和色度计研究了人工气候老化对EPDM化学结构、表面形貌、力学性能和颜色的影响。

The effects of artificial weathering on the properties and structure of ethylene-propylene-diene monomer (EPDM) were studied through spectrophotometer,gloss meter,microscopy,computer-controlled tensile testing and specular reflectance Fourier transform infra red (SR-FTIR) spectroscopy.

利用紫外老化试验箱对三元乙丙橡胶(EPDM)进行人工加速老化试验,采用色度计、光泽度仪、电子万能试验机和傅立叶变换红外光谱仪研究了人工气候老化对EPDM的颜色、光泽度、力学性能和化学结构的影响。

" Rubber, vulcanized--Test method for artifical weathering(carbon-arc lamp)"

GB/T15255-1994硫化橡胶人工气候老化(碳弧灯)试验方法

" Rubber,vulcanized--Test method of resistance to artificial weathering (Fluorescent UV lamp)"

GB/T16585-1996硫化橡胶人工气候老化(荧光紫外灯)试验方法

Paints and varnishes--Artificial weathering and exposure to artificial radiation--Filtered xenon-arc radiation

GB/T1865-1997色漆和清漆人工气候老化和人工辐射暴露(滤过的氙弧辐射)

" Rubber, vulcanized-Test method of resistance to artificial weathering (xenon are lamp)"

GB/T12831-1991硫化橡胶人工气候(氙灯)老化试验方法

Environmental, non-poison, non-flammable, endurable to aging, climate, chemicals.

环保、无毒、不易燃、耐老化、耐气候、耐化学品。

The Characteristics of Climate Changes in Time and Space under Global Climate Change in Shaan-Gan -Ning Revolutionary Region;

全球变化下陕甘宁老区气候变化时空特征分析

Test method for color changes in accelerated weathering of colored building materials

GB/T16259-1996彩色建筑材料人工气候加速颜色老化试验方法

Intergovernmental Panel on Climate Change

政府间气候变化问题小组(气候小组)

A Study on the Response of Wuhan Climate under the Background of Global Climate

武汉地区气候对全球气候变化的响应

Teacher: Matthew, what is the climate of NewZealand?

老师:马修，新西兰的气候怎么样？

If it were sunny and warm all the time,

如果老是阳光普照，气候温暖，

Climate Change, International Climate Cooperation Regime and China's Policy

气候变化、国际气候合作机制和中国应对气候变化的对策

Global Monitoring for Climate Change Programme

气候变化全球监测方案

Committee on Climate Changes and the Ocea

气候变化和海洋委员会

all weather liquefied petroleum gas

全天候液化(石油)气

all weather grade liquified petroleum gas

全天候级液化石油气

Response of woody plant phenophases to climate change for recent 30 years in Guiyang

贵阳木本植物物候对气候变化的响应

Climate changes from desert to high mountains,

中国的气候变化多端，由沙漠性气候到高山性气候、