national degradation是什么意思

网络释义

用法例句

Research progress on natural degradation of linear alkyl benzene sulphonate in environment;

烷基苯磺酸钠在环境中自然降解的研究进展

Natural degradation is the main way of removing organic pesticides in soils.

有机农药是一类典型的环境污染物,自然降解是其在土壤中消除的主要过程。

The progress on research status and method of natural degradation is summarized, and some critical discussion in experimental design is described from the point of biodegradation and photodegradation.

水体中有机污染物的自然降解是影响污染物在环境中归趋过程的一个重要机制,一直是环境界研究的重点。

Spectral properties of hydrogen-containing organic solution of neodymium chelate;

Nd~(3+)螯合物的含氢有机溶液光谱性能研究

Effects of phosphate on the exchangeable form and the bioavailability of exogenous neodymium (Nd) in soil were studied with 147 Nd isotopic tracer.

用放射性同位素14 7Nd示踪法 ,以pH8 2的NaAc为土壤中交换态Nd的提取剂 ,研究了磷酸盐对土壤中外源Nd的交换态及生物有效性的影响 。

Stimulated Experiment of Cyanide Natural Degradation in Soil

氰化物在土壤中的自然降解模拟实验

The Natural Degradation Dynamics of 4 Pesticides on Cultivars Suitable to Oolong Tea

4种农药在适制乌龙茶品种茶树上的自然降解动态

PRELIMINARY STUDY OF THE NATURAL WEATHERING AND DEGRADING MECHANISM OF THE ENVIRONMENTAL CERAMICS

新型环保陶瓷自然风化降解机理初探

Green and Environmental: Wet towel is made from natural fibre, which is spunlaced non-wovens, and it can be fully disintegrate under nature circumstance.

湿巾采用天然植物纤维制造，自然环境下可以自行降解。

Discussion on Relationship between Degradation of ECM and SA

细胞外基质降解与自然流产关系的探讨

Studies on Influencing Factors of Printing-Dyeing Wastewater Treatment in CuO/TiO_2-H_2O_2 Photocatalytic System under Daylight

CuO/TiO_2-H_2O_2自然光催化降解印染废水的影响因素

Phosphate ester polymers are degradable in nature, and environment-friendly.

磷酸酯类聚合物在自然界中可以降解，是环境友好的化学品。

A STUDY ON THE DEGRADATION OF n-ALKANES IN No. 20 DIESEL OIL BY NATURAL STRAINS OF MICROORGANISMS FROM THE BOHAI SEA

渤海微生物自然混合菌群降解20号重柴油中正烷烃的研究

Study on the Biodegradability and Degradable Mechanism of the Polyesters under the Simulative Natural Environment;

模拟自然环境下脂肪族聚酯的生物降解性能的研究

A Study on the Aerobic Biodegradation of Anthracene and Methyl-Substituted Anthracene by Natural Bacterial Community in Marine Sediment

海洋沉积物中蒽和甲基取代蒽在自然菌群作用下的生物降解研究

The Degrading Dynamics of Three Pesticides in Natural Environment or under Microbial Intervention

三种农药在自然环境及微生物介入条件下的降解动态研究

Then the muds are aerated to promote the complete degradation of the less chlorinated residues produced by this intrinsic bioremediation process.

然后淤泥接触空气促进这种由自身生物补救过程产生的含较少量氯残基的化合物完全降解。

Chitosan is the only alkaline polysaccharose in the natural world,which has good bioadhension,biodegradability and biocompatibility.

壳聚糖是自然界存在的唯一的碱性多糖,具有良好的生物粘附性、生物可降解性及生物相容性。

Chitosan is abundant and biodegradable in the nature and it is a repro duceible resource and environmental friendly material which can be completely degraded by the chitosan enzyme, bacteriolysis enzyme and animalcule.

在自然界中可被壳聚糖酶、菌酶和微生物完全生物降解,是一可再生资源和环境友好材料。

People use natural science to understand and change nature.

人类利用自然科学去理解和改造自然。

The Understanding of "Nature" of Natural and Ecologic Plant Landscape;

自然生态式植物景观的“自然”概念理解

THE PEDESTRIAN COMES FROM THE NATURAL --Analysis of Tao Yuan-ming s "Natural" Mentality;

平淡出于自然——陶渊明“自然”心态解析

Interpretation of Gricean Natural Meaning and Non-natural Meaning

格赖斯的自然意义与非自然意义解析