土壤机械阻力,Soil mechanical resistance
1)Soil mechanical resistance土壤机械阻力
1.Effects of soil mechanical resistance on root growth characteristics of kentucky turfgrass(Poa pratensis L.)土壤机械阻力对草地早熟禾根系生长的影响
2.Soil mechanical resistance is an important mechanical property of soil, we should appreciate researches on its measurement and application.设计了一个土壤机械阻力连续测定系统。
3.Hence, the concept of soil mechanical resistance is discriminated.为此,辨析了土壤机械阻力的概念,概述了土壤机械阻力的4种测定方法及其研究状况,总结了土壤机械阻力值的一些初步应用。
1.Research on Measuring Soil Mechanical Resistance On-The-Go and Exploring Its Primary Application;土壤机械阻力连续测定及初步应用的研究
2.Effects of soil mechanical resistance on root growth characteristics of kentucky turfgrass(Poa pratensis L.)土壤机械阻力对草地早熟禾根系生长的影响
3.tillage machine with power-driven working parts驱动型土壤耕作机械
4.frictional soil内摩擦阻力大的土壤
5.mechanical behavior of effective force工作阻力的机械特性
6.The Soil Mechanical Composition Determination and Analysis in The Ebinur Lake Basin艾比湖流域土壤机械组成测定与分析
7.Earth-moving machinery--Rubber-tyred machines--Steering capabilityGB/T14781-1993土方机械轮式机械的转向能力
8.Effect of Heavy Machinery Operation on Soil Aggregates Character in Phaeozem Region机械压实对黑土区耕作土壤团聚体特征的影响
9.The mechnical stability, varies with soil texture and with various phases of soil structure.机械稳定性随土壤的层理和土壤结构中各相情况而变化。
10.any mechanical force that tends to retard or oppose motion.倾向于妨碍或阻滞运动的机械力量。
11.The flat land and sparse population and relative lean soil cause forest management to depend on mechanization and intensive cultivation and old-aged harvest system.土地平整、口稀少、壤肥力较低,是该林业公司机械化作业、约化经营、伐年龄较大的缘由。
12.Impact of ground substance on mechanical composition of soil in Guizhou Province贵州省地面组成物质对土壤机械组成的影响
13.Experiment and application on new technology for compacted soil irrigation with punching machines冲压机械密实土壤灌溉节水新技术试验及应用
14.A Simulating Devices of Arable Soil Compaction一种模拟农田土壤机械压实装置的研究
15.Effect of Antecedent Moisture Content on Soil Structure Compacted by Machinery前期含水量对机械压实土壤结构特征的影响
anic fertilizers seemed very effective on improving soil fertility as well as soil properties.有机肥似乎对改善土壤肥力和土壤性状很有效。
17.Effects of Soil Organic Matter on Soil Fertility and Anti-erodibility in Karst Area;岩溶区土壤有机质对土壤肥力和抗蚀性的影响
18.Effect of Different Structural No-till Openers on Soil Resistant Force不同结构免耕开沟器对土壤阻力的影响
相关短句/例句
Soil resistance土壤阻力
1.Development of continuous measurement system for soil resistance土壤阻力连续测试设备研制
3)mechanical resistance机械阻力
1.Effect of soilmechanical resistance on hydraulic conductivity of maize root;土壤机械阻力对玉米根系导水率的影响
4)soil mechanical composition土壤机械组成
1.Taking southeastern margin of Tengger Desert and Southwestern margin of Mu Us Sandland for example,the authors study the dynamic change ofsoil mechanical composition and soil nutrient of lands with different desertification degrees during the recovering process.以毛乌素沙地西南缘的盐池县沙边子及位于腾格里沙漠东南缘的沙坡头地区为例,研究了该地区不同程度沙漠化土地恢复过程中土壤机械组成及土壤养分的动态变化。
2.Through collecting samples of 0-20cm surface soil in Dezhou by laser particle sizer,thesoil mechanical composition test was taken.土壤机械组成是土壤最基本的参数之一。
3.Thesoil mechanical composition and soil nutrient can be ameliorated by enclosure and shelter belt,and the average percentage composition of fine sand,sand clay and physical clay have been increased respectively 4.结果表明,封育和防护林带可以显著地改善沙化草场土壤机械组成,提高土壤养分含量,其中细沙、粗粉沙和物理黏粒的平均百分含量较未封育沙化草场分别增加了4。
5)soil wedge resistance土壤楔入阻力
1.With the application of type TJ-75 Soil Hardness instrument to determine thesoil wedge resistance of salt field, discuss the mutrual relationship betweensoil wedge resistance,physical index and mechanical character.用ＴＪ－７５型土壤坚实度仪测量了盐田楔入阻力，讨论了土壤楔入阻力与物理指标和力学性质的相互关系。
6)Soil sliding resistance土壤滑动阻力
延伸阅读
肺循环阻力(或全肺阻力)肺循环阻力(或全肺阻力)pulmonary circulation resistance血液在肺部血管内流动时和血管壁之间的摩擦力和血液内部的摩擦阻力。肺动脉管壁较薄，分支短而管径大，故肺动脉的可扩性较大，对血流的阻力很小，仅0.12PRU(外周阻力单位)。肺循环动脉部分总的阻力和静脉部分总的阻力相等，故血液流动时在动脉部分的压力降落和静脉部分的压力降落相等。
