Can Improve the soil physical characteristics, soil aggregate structure, reduce soil compactness. 可改善土壤物理特征,改良土壤团粒结构,减少土壤密实性。
The reason was less aggregate structure of loess soil and short growth duration of ryegrass. 造成冰草根系生长发育对土壤团聚体稳定性影响不明显的主要原因是黄绵土团粒结构较差和冰草生长期较短。
A study of features of water-stable soil aggregate structure under different land use in Karst Mountains 利用方式对岩溶山地土壤团粒结构的影响研究
The effects of heating, tensile and high pressure treatments on the aggregate structure of low density polyethylene ( PE-LD) samples were studied using a modulated DSC ( MDSC). 采用调制式DSC分别对热、拉伸及高压处理后低密度聚乙烯的聚集态结构变化特点作了研究。
Effects of Wheat Stubble Multiple Cropping Rape to Soil Aggregate Structure on Topsoil 麦茬复种饲料油菜对耕层土壤团聚体的影响
Numerical simulation comes true on the basis of Visual C++, thus producing the random aggregate structure ( RAS) with a sense of probability and statistical. 并在Visualc++上模拟实现、生成了具有概率和统计意义的RAS。
The soil characteristics of different land where returning farmland to forests, grass land and farmland were contrasted and researched, including soil bulk density, soil porosity, soil water stable aggregate structure and soil saturated hydraulic conductivity in Datong county of Qinghai province. 对比研究了青海省大通县不同类型退耕还林地、草地、农田的土壤性质,包括土壤容重、土壤孔隙度、土壤水稳性团粒结构、土壤饱和导水率。
Effects of Heating, Tensile and High Pressure Treatments on Aggregate Structure of Low Density Polyethylene 热、拉伸及高压处理对低密度聚乙烯聚集态结构的影响
Aggregate Structure and Phase Transition of Schiff Base Containing Vesicle Bilayer 含Schiff碱基囊泡双分子膜的聚集结构与相变
The experimental results show that the self-associating behavior and aggregate structure of the copolymer are significantly dependent on their chain structure and concentration. 实验结果表明这类共聚物的自缔合行为和聚集体结构主要取决于聚合物的链结构和浓度。
If it goes up more than 20.7%, linear interface is not stable and will form aggregate structure. 若大于20.7%,平面界面不稳定长大,将形成束集型结构。
Soil aggregate structure was improved. 改善土壤团聚体结构;
Either the water-stability of aggregates ( especially> 2mm) or the content of water-stable aggregates is highly correlated with the contents of soil organic matter. This result shows that organic matter is the cementation of soil aggregate structure. 水稳性团聚体(尤其是>2mm的水稳性团聚体)以及团聚的水稳性主要受有机质的含量影响,目前有机质是这一地区土壤结构形成的最为重要的胶结物质;
Preparation of a hydrogen bonded supramolecular hydrogels with two dimensional aggregate structure 一种具有二维状组装体结构的氢键结合超分子水凝胶的制备
The aggregate structure models of ionomers were reviewed in this paper. 本文对有关离聚体的聚集态结构的理论和定性模型进行了综述。
Random aggregate structure of mesoscopic concrete and finite element mesh 混凝土细观随机骨料结构与有限元网格剖分
The morphology, aggregate structure and mechanical properties of mulberry silk fibers, which are modified with the low temperature oxygen plasma, are studied in this paper. 本文采用低温氧等离子体对真丝纤维进行了改性处理,研究了等离子处理后真丝纤维的微观形态、聚集态结构及力学性能。
Study on Fractal Aspects of Aggregate Structure of Zirconium Hydroxide Dried Gels and Surface Roughness of Ultrafine Zirconia Powders 氢氧化锆干凝胶团聚结构及氧化锆超细粉末表面粗糙度的分形研究
Based on the fluorescence studies the multi-polymeric aggregate structure model was suggested, which further grows into cross-linked multi-aggregate and network as polymer aggregate concentration is increased. 在荧光研究的基础上提出了多分子聚合物聚集体的结构模型,它随聚集体浓度增加,进一步形成多联聚集体和网状结构。
In order to analyze the behavior of concrete in microscopic level, a 2-D concrete random aggregate structure ( RAS) model is developed by Monte-Carlo method in C++ language in this paper. 目的在细观层次上对混凝土进行数值模拟,进而对混凝土的力学性能分析.方法应用蒙特卡罗方法,使用C++语言编程开发二维三相混凝土随机骨料结构(RAS)模型。
Aggregate structure of pva/ pvp blends PVA/PVP共混物的聚集态结构
The aggregate structure of silk fiber treated with plasma changes and crystalline degree of it decrease after stannic acid weighting treatment. 经等离子体-锡酸增重处理后聚集态结构发生了改变,结晶度下降。
The behavior of clay may play a significant role in the phase morphology and aggregate structure of polymer blends, and thereby influences the final performance of the composites. 这种优先插层行为会影响共混物的相行为和凝聚态结构,进而影响复合材料的宏观性能。
Aggregate structure of the soil in closed area was more than enclosed area, and arranged single grain of the soil was looser, porosity was larger, ventilation performance was better, soil bulk density was lower. 封育林区土壤较非封育区的团粒结构多,土壤单粒排列疏松,孔隙度大,通气性能好,土壤的容重低。
Thisis the total aggregate structure model, was launched. 本文采用的是总分总的结构模式,进行展开。
Aggregate structure is the basis for good soil structure. Important components of organic matter – humus, can promote the formation of soil aggregate structure and greatly affect the heat capacity of the soil. 团粒结构是良好土壤结构的基础,有机质的重要成分&腐殖质,能够促进土壤团粒结构的形成,且腐殖质大大影响土壤的热容量。
But multiple dry-wet cycle will destroy soil aggregate structure, be exposed organic matter is further microbial decomposition mineralization, thus increasing inert organic carbon biological availability. 但多重干湿交替循环会破坏土壤团聚体的结构,被暴露的有机质进一步被微生物分解矿化,从而增加惰性有机碳的生物可利用性。
These microfossils displays the same form and aggregate structure that is characteristic of archaea/ sulfate reducing bacteria colonies. 这些化石形态和集合体结构表明可能是石化的甲烷氧化细菌和硫酸盐还原细菌。