1) Seed setting characteristics
结实特性
1.
This study classifies rice varieties bred lately in Liaoning province into three yield levels,that is,high yield varieties,medium yield varieties and low yield varieties,and analyzes rice panicle traits,seed setting characteristics at different yield levels.
以辽宁省最新育成的水稻品种(品系)为试材,把参试品种分为高产品种、中产品种和低产品种三类,分析了不同产量水平水稻品种穗部性状及其结实特性,结果表明,高产品种具有较高的每穗粒数、二次枝梗粒数、一次枝梗粒数、以及较高的二次枝梗粒率,具有较高的结实率、二次枝梗结实率、一次枝梗结实率,具有较高的一次枝梗数、二次枝梗数,使穗粒结构得到较大程度的协调,以致其产量处于较高的水平。
2) Seed-setting characteristics in spike part
穗部结实特性
3) compaction characteristic
压实特性
1.
Experimental research on compaction characteristics of aeolian sand;
风积沙压实特性试验研究
2.
The conclusion is given by analyzing the result and compaction characteristics,which says that each compaction is associated with one maximum dry density.
通过对击实试验结果以及压实特性的分析得出:每个击实功都对应一个最大干密度,且随着击实功的增加,最佳含水量减少,最大干密度增大以及其他相关结论。
4) compaction property
压实特性
1.
This paper firstly gives an introduction of the complete compaction curve and its equation-the latest research results at present about the compaction property for fine-grained soils,and analysises the influence of the equation parameters on the shape of compaction curve,then identifies the accuracy of the equation.
首先介绍了当前有关细粒土压实特性研究的最新成果—全压实曲线及方程,分析了方程参数对压实曲线形状的影响,并对方程式的正确性进行了验证;探讨了压实曲线形状与土体物理性质的关系,并建立起了土体物理性质指标与全压实曲线方程参数之间的量化关系,这样我们便可通过对土体物理性质指标的量测,直接确定土体的全压实曲线方程参数及方程,从而为确定土体击实最大干密度和对应的最佳含水量提供了一种简便方法。
2.
The results indicate:(1) the good gradation sample has good compaction property;(2) when coarse material content exceeds 75%,the largest dry density almost remains the same;and the compaction work should not too strong;and(3) th.
试验结果表明:级配良好的试样,压实特性较好;粗粒含量超过75%时,最大干密度增加不明显,此时,击实功不宜太大;等量替换法与大型击实试验结果接近。
5) compaction characteristics
压实特性
1.
Study on site compaction characteristics for rockfill material;
填土工程土料现场压实特性研究
2.
Analysis and study of influences of compaction characteristics of roller on highway compaction;
压路机的压实特性对公路压实度的影响分析与研究
3.
By building test road,this paper studies the compaction characteristics,the geogrid in situ and long term deformation of geogrid reinforced embankment with steep slope.
通过试验路的修筑、现场施工损伤试验以及格栅变形的长期观测,对土工格栅加筋路堤压实特性和路堤中土工格栅的长期变形进行了研究。
6) compaction properties
压实特性
1.
Research on compaction properties of aeolian sand with different mud
不同含泥量风积沙的压实特性试验研究
2.
Differences of rocky material in graduation and size made much differences in physical-mechanical property of embarkment rock-filled,its compaction properties are influenced by many facts such as material itself and vibratory-roller s parameter,and vibrating compaction crushes the kernels less,thus the compaction of embarkment rock-filled becomes more complex.
因此,必须研究路堤填石材料的振动压实特性,以充分利用填石材料和振动压路机的性能,提高填石路堤的压实质量。