The high specific weight tungsten alloy material is prepared by tungsten powder, nickel powder, iron powder and cobalt powder.
高比重钨合金材料由钨粉末、镍粉末、铁粉末和钴粉末制成。
The high specific weight tungsten alloy material has good plasticity, large strength, large deflection and small residual force.
本发明高比重钨合金材料塑性好、强度大、变形量大及残余力小。
The shape of model sand particle play an important role in submarine rest angle, starting speed, bulk specific weight and some other physical characters.
颗粒形貌对模型沙的水下休止角，起动流速、堆积密度等性能有显著影响。
In this model, Decision-maker's subjective preference is reflected in term, of preference restraint rather than a specific weight priority vector as in conventional models.
该模型把决策者的偏好信息视为一种约束，而非传统模型中的确定权重向量。
During the treatment of a particle field the effect of particle diameter, specific weight, rigidity of material and friction factor, etc on particle movement has been taken into account.
在处理颗粒场时考虑到颗粒直径、比重、材料的刚度、摩擦系数等对颗粒运动的影响。
Aimed at problems existed in testing degree of compaction of the subgrade filled by sand growel presented the modified formula of testing dry specific weight .
针对当前的砂砾填筑路基的压实度检测中存在的问题，提出了现场检测干容重的修正公式。
It was shown that the organic content, the specific weight of soil particle and the liquid limit decreased but the plastic limit increased with the increase of the concentration of acid.
试验表明：酸浓度的增加导致有机含量减小，土粒比重减小，塑限增大、液限减小；
Soil organic matter, soil porosity, availible N, Zn, Fe, Mn and enzyme are all positively related to the amount of straw applied remarkably, while soil specific weight is negatively correlative.
土壤有机质、孔隙度、速效氮、锌、铁、锰、酶活性等理化指标与秸秆还田量呈显著正相关；
Soil organic matter, soil porosity, availible N, Zn, Fe, Mn and enzyme are all positively related to the amount of straw applied remarkably, while soil specific weight is negatively correlative.
土壤有机质、孔隙度、速效氮、锌、铁、锰、酶活性等理化指标与秸秆还田量呈显著正相关；
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