1) natural deterioration
自然劣化
2) superiority of physical environment
自然环境优劣度
3) Natural Aging
自然老化
1.
Influence of natural aging on linear characteristic of conductive silicone rubber;
自然老化对导电硅橡胶线性特性的影响
2.
Influence of natural aging on property of resistance of conductive silicone rubber;
自然老化对导电硅橡胶电阻特性的影响
3.
To discover the mechanism of the natural aging process,characteristics of the naturally aged APC residues,such as morphology,mineralogy,speciation and leaching behavior of heavy metals,were analyzed.
实验研究了不同初始含水率下生活垃圾焚烧飞灰的自然老化行为。
4) natural attenuation
自然净化
1.
In order to understand the natural attenuation of arsenic and its mechanisms in the mining environment,water and sediment samples collected from the stream system of a high-arsenic coal mining area in Xingren County were analyzed.
为了解矿山环境中砷的自然净化能力及其净化机制,对兴仁典型高砷煤矿区溪流水系环境进行采样分析。
2.
Aimed at arsenic pollution and the natural attenuated of arsenic in the High-Arsenic coal mining area in Xingren,the paper discusses iron-arsenic natural attenuation system and sulfur-arsnic natural attenuation system in the acidic water,respectively,and discusses the process of iron-arsenic natural attenuation system by chemical kinetics.
本文针对兴仁县高砷废弃煤矿区的砷污染及其自然净化过程,分别从酸性水体中的铁-砷自净体系以及硫-砷自净体系等两个不同方向的系统展开了研究和探讨,并且对前者进行了反应动力学研究。
5) aging
[英]['eidʒiŋ] [美]['edʒɪŋ]
自然陈化
1.
Study on the changing law of the rag filling power of the flue-cured tobacco duing aging;
烤烟烟叶自然陈化期间烟丝填充值变化规律研究
2.
The changes of total sugar,reducing sugar,nicotine,total nitrogen of 14 redried lamina samples from six provinces of China,Zimbabwe and Brazil between seven and fifty-one months aging were studied.
研究了8个产区14个烤烟复烤烟叶样品自然陈化7～51个月期间烟叶总糖、还原糖、烟碱和总氮含量变化,结果表明,随着陈化时间增加,总糖、还原糖、烟碱和总氮含量逐步降低;南方产区糖降低幅度高于北方产区,上部烟叶糖含量下降幅度高于中部烟叶;总氮对陈化期间感官质量变化影响最大。
6) natural weathering
自然老化
1.
In the first 5 months,there was almost no color change for natural weathering samples because of low temperature and short sun shining time.
对稻壳/聚乙烯复合材的室外自然老化情况进行1年多的观察,并对相同材料进行实验室紫外光(UV)加速老化,研究材料力学性能变化,并通过傅里叶红外波谱(FTIR)分析探讨老化机制,力争寻求二者之间的初步对应关系。
补充资料：自然环境优劣度
自然环境优劣度
【自然环境优劣度】城市土地地貌及其他自然因素对城市土地利用以及社会经济活动的影响。对土地开发影响较大的自然条件，如地形坡度、土地承载力、洪水淹没及排水状况，地质构造等因素，是影响城市土地质量及地价的重要因素，开阔的空间、充足的阳光、清新的空气、绿色的植物，将赋予土地更高的使用价值，是人们理想的居住和工作场所。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条