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- The effect of rubbish mixed fertilizer on soil physical and chemical feature and forage productivity 垃圾复混肥对土壤理化性质及牧草产草量的影响
- soil physical chemical behavior 旱荷花
- The Effects of Grazing Intensity on Soil Physics and Chemical Properties. 放牧强度对草地土壤理化性质的影响。
- The relationship between plants growth and soil physic_ chemical features such as texture, bulk density and compaction, water supply, organic matter and nutrient, soil reaction, salinity and salt base saturation. 从城市土壤的物理化学特征如结构、壤容重和紧实度、市土壤的水分供应、壤有机质与养分含量、壤酸碱度、壤次生盐渍化和盐基饱和度等角度讨论了城市土壤与城市绿化植物生长之间的关系。
- Based on a series of experiments ,a satisfactory physic chemical method was selected for clarification of crude sulphate turpentine. 对粗硫酸盐松节油的净化方法加以探讨,总结出较为理想的化学-物理净化法。
- The physical and chemical features of organochlorine pesticides,contents of clay minerals,organic carbon and microorganisms are major factors influencing the vertical distribution of the pesticides in soil. 有机氯农药的物化性质、土壤黏粒含量、有机碳和微生物影响着它们在土壤剖面上的分布。
- Soil physic - chemical character 土壤理化性状
- Physiological ecology focuses on the relationships Between individual organisms and the physical and chemical features of their environment. 生理生态学的重点在研究生物个体与其环境的物理、化学特征之间的关系。
- Soil physical mechanism of the processes of water saving. 节水高产技术体系土壤物理学机理。
- Soil erosion seriously influences soil physical and chemical properties, and further limits crop production. 土壤侵蚀严重地影响土壤物理和化学性质,限制了作物生产;
- The chemical features of typical elements of the worn steel surfaces were observed and examined by means of X-ray photoelectron spectroscopy (XPS). 实验结果表明,合成的硼酸酯具有良好的抗磨性能,是一类新型无硫磷氮环保型润滑油添加剂;
- To recognize features of transport of soil water and salt is an important research content for soil physics and irrigation of farmland and a key problem to soil reclamation. 摘要土壤水-热-盐运移规律的研究是目前土壤物理学、农田灌溉学研究的一个重要方面,也是防治盐碱化、改良盐渍土的核心问题。
- The article introduced the physical chemical properties of the polyglycerol. 介绍了聚合甘油的物理化学性质。
- Along with the increasing length of stopping discharging the gangue, the soil physical and chemical characteristics improve gradually. 随着停止排矸年限的增加,土壤理化性状逐渐改善。
- Current progress in lycopene research, including: resources, preparation, physical and chemical features, biological function and application, was reviewed herewith. 本文就番茄红素的资源、制备、理化性质、生物学功能及应用前景的研究进展做了较详尽的综述。
- Hillel D.Research in soil physics: A review [J].Soil Sci. 1991, 151 : 30-34. 胡克林陈德立.;农田土壤养分的空间变异性特征[J]
- Although the peptides had different structures, they typically shared a handful of chemical features, such as phyenyl, hydroxyl, carboxylic acid, and isobutyl groups. 虽然说肽类具有不同的结构,但是他们都共同具有一些简单的化学特征,比如苯酰基,羟基,羧基以及异丁基团。
- Effects of applying different quantity of urban refuse compost on soil physical and chemical properties, heavy mental accumulation and crop growth were analysed in this paper. 本文分析了不同量的城市生活垃圾堆肥(以下简称垃圾堆肥)施入农田土壤后,土壤理化性状、作物生长效应及重金属在土壤中积累等情况。
- This experiment discussed the effects of different polyacrylamide (PAM) concentration treatments on soil physical and chemical properties, maize's growth and yields. 摘要试验探讨不同浓度的聚丙烯酰胺(PAM)处理对土壤的理化性质及玉米的生长发育和产量的影响。
- Conclusion There were relationship between the physical chemical character and the lag time of PRT. 结论:脉冲控释片的理化性质与其脉冲释药机理有一定相关性。