1.
Soil Cone Penetrometer with Ball Screw Transmission
滚珠丝杠传动的土壤圆锥指数仪设计
2.
Experimental Comparison of Various Models Related Soil Water Content and Bulk Density to Cone Index--Ⅱ.Components Effect of Water Content and Depth
土壤圆锥指数、水分与容重耦合模型的试验比较研究——Ⅱ.水分与深度的影响
3.
The Theoretical Modeling of a Cylinder Going Through a Cone and Their Intersecting Curve;
圆柱贯穿圆锥的相贯线及其数学模型
4.
Apply soil quality degradation index to calculation soil nutrition field in Songnen alkaline grassland
应用土壤质量退化指数计算松嫩盐碱草地土壤营养位
5.
The correlation among soil microorganism quantity, enzyme activity and soil nutrient content is the significant, it can be used as evaluation index of soil fertility.
土壤微生物数量、酶活性与土壤养分间呈显著相关关系，可作为评价土壤肥力的指标。
6.
Data incompleteness in Radon space for circular cone-beam reconstruction
圆轨道锥束重建中Radon空间数据缺失
7.
The Research on the Limit Parameters for One-Operation Forming the Conical Part in Deep Drawing;
圆锥形零件一次成形极限参数的研究
8.
Digital Signature Scheme Based on the Conic Curve over Z_n;
基于环Z_n上圆锥曲线的数字签名方案
9.
A Teaching Research into Cone Curve in Mathematics of Senior High School;
高中数学课程中圆锥曲线的教学研究
10.
Research on Digital Signatures Based on Conic Curves over Ring Z_n
环Z_n上圆锥曲线数字签名的研究
11.
Numerical Optimization of Round Mould Taper for Continuous Casting Steel Slab
钢连铸圆坯结晶器锥度数值模拟优化
12.
The Mathematical Modeling of A Cylinder Going Through A Cone and the Drawing of Their Intersecting Curve
圆柱圆锥正交相贯的数学模型及其交线画法
13.
Study on Spatial Variability of Soil Salinity Based on Spectral Indices and EM38 Readings
基于光谱指数与EM38的土壤盐分空间变异性研究
14.
The Influence of Soil Algae on Index of Soil Quality;
土壤藻类对土壤质量指标影响的研究
15.
Comparative Experiment of Finger Flow of Homogeneous Soil and Layered Soil
均质土壤及层状土壤的指流对比实验
16.
Construction Technology of Mass Reinforced Concrete of Inverted Cone-shaped Hopper
大体积倒圆锥形钢筋混凝土漏斗施工技术
17.
Effects of land-use type on soil organic matter and carbon management index in Ziwuling area
土地利用方式对土壤有机质及其碳库管理指数的影响
18.
Evolution of Soil Labile Organic Matter and Carbon Management Index in the Artificial Robinia of Loess Hilly Area
黄土丘陵区人工刺槐林土壤活性有机碳与碳库管理指数演变