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- Study on Characteristic Change of Soil Organic Substance under Different Grazing Intensity 不同放牧强度下土壤有机质特性变化的研究
- soil organic substance 土壤有机物质
- CAT activity was positively interrelatedtothe content ofthe organic substance in the soil and had a relation ofparabola pattern tothe alkaline nitrogen content. 土壤过氧化氢酶活性与土壤有机质含量呈正相关,与土壤碱解氮含量呈抛物曲线型关系。
- The bacteria in water will proliferate by living on these organic substance. 水中虽有余氯,但有许多资料表明,自来水厂的水质从出厂到用户龙头呈降低趋势。
- A brown or black organic substance consisting of partially or wholly decayed vegetable or animal matter that provides nutrients for plants and increases the ability of soil to retain water. 腐殖质一种棕色或黑色的有机物,由全部或部分腐烂的植物或动物体构成,它能为植物提供养分并提高土壤蓄水的能力。
- Isoline diagrams of organic substance content in soil of the three plots were made on the basis of Kriging value, which provide direct basis for evaluation of the reclaimed soil quality. 用克立格估值作出了三块实验田有机质含量的分布等值线图,为评价复垦后土壤质量状况提供了直接依据。
- Water storage in soil organic horizons is a further factor to consider. 在土壤有机质中的水分贮积是一个值得进一步考虑的因素。
- While, adding turbidity or aluminum coagulation pretreatment enhances the UF removal of organic substance. 直接超滤对水中有机物的去除效果不理想,而投加浊度物质及混凝剂混凝后,去除率明显提高。
- Bacteria and fungi are other important soil organisms. 细菌和真菌是另一类重要的土壤有机体。
- Humic acid is the common aquatic organic substance,and it is one of precursors of mutants in drinking water. 腐殖质是水体中常见的有机物,也是饮用水主要致突变前体物质之一。
- For mesophilic anaerobic digestion of WAS alone, WAS pretreatment was a disadvantage for organic substance removal. 而对污泥单独消化,预处理则不利于有机物的去除。
- Soil organic matter is the product of microbial decomposition of plant and animal residues. 土壤有机质是微生物分解植物和动物残体的产物。
- Objective: To develop a method for the detection of trace organic substance in deionized water. 目的:研究一种去离子水中微量有机物质的测定方法。
- To precipite organic substance EDTA under acidic condition, tartaric acid form calcium salf and then removed. 然后对有机物EDTA在酸性范围沉淀去除,酒石酸使呈钙盐去除。
- A major portion of the soil organic matter is derived from the added and residual vegetative material. 加进去的和残留下来的植物物质则是土壤有机质的主要来源。
- DCCA ordination showed that soil organic matter content was the decisive factor to the development of communities. DCCA排序进一步表明了土壤有机质含量是所有因子中对植物群落发展起决定性作用的主要环境因素.
- Find the reason for high residual content of organic substance in desalting water which cause the increase in cat cond in vapor. 摘要:找出了除盐水残余有机物含量偏高为导致水汽氢导升高的原因;
- Good safety performance: this product is 100% free of asbestos and radiation, nor will it create the organic substance harmful to human bodies. 安全性能佳本产品100%25不含石棉,无辐射的不良影响,不产生有害人体的有机化合物。
- The plants that used for pollution treatment can not only delete N or P nutrition but also can adsorb metal ion or organic substance. 水生治污植物不仅可去除N、P营养物,还可以吸附金属离子,对于吸收有机物也起到了一定作用。
- Zn situation of vegetable garden soils and its relation to soil organic carbon. 菜园土壤锌营养状况及其与土壤有机碳的关系。