无损硬度系数与梨的可溶性固形物也有较好的负相关性，酥梨、水晶梨、雪梨的相关系数分别为-0 .903、-0 .922和-0 .920。
The stiffness factor negatively correlated with SSC and the correlation coefficients were -0.903, -0.922 and -0.920 for Dangshan, Shuijing and Xue pears, respectively.
这表面有极高的硬度（60局。），耐磨性和耐腐蚀性，低摩擦系数。
This surface has extreme hardness (60 RC. ), excellent wear and corrosion resistance, and low coefficient of friction.
然而，在某些应用条件下，钛合金的硬度低，摩擦系数大，耐磨性差。
However, in some application conditions, low hardness, big friction coefficient and poor wear resistance confine its extensive application in engineering.
在钛合金表面进行激光熔覆，可提高钛合金的表面性能，获得高硬度、耐磨性能好、低摩擦系数的熔覆层。
Laser cladding on titanium alloys can improve the surface properties, obtain the coatings with high hardness, good wear resistance and low friction coefficient.
研究了金属基体及其中镍铬合金的含量对复合材料的硬度、摩擦系数和磨损率的影响。
The effects of metal base content and NiCr alloy addition on hardness, friction coefficient and wear rate of the composites were studied.
另外，研究了消失模铸造法铸型表面硬度、界面换热系数的变化规律。
Moreover, the variation law of mold surface hardness and interface heat transfer coefficient were studied.
研究了颗粒性质和含量对复合材料硬度、摩擦系数和耐磨性能的影响。
Hardness and friction coefficient of the three composites were determined to investigate the influence of particle type and content.
测试了基体和熔块的线膨胀系数、釉的熔融温度范围、釉面的白度、显微硬度和热稳定性等性能。
The coefficient of linear expansion of the body and glaze, the melting temperature range, the whiteness, the microhardness and the heat stability of glaze were tested.
摩擦学测试表明渗氮样品不仅摩擦系数大大降低了，而且表面硬度也获得了显著提高。
Tribological tests reveal that the friction coefficients of the nitrided samples are greatly reduced, and the surface hardness is remarkably improved at the same time.
考察了填充系数对力学性能的影响，包括表面硬度、冲击强度和弯曲强度。
The influence of filling coefficient on mechanical properties, including surface hardness, impact and flexural strength, are investigated.
计算结果还表明，中等硬度的岩石溶洞的压缩系数都很小，油藏工程计算中可将其忽略。
The compressibility of vuggy rocks with medium hardness is usually small and can be neglected in the calculations of reservoir engineering.
胶件密度、机械强度、硬度、耐介质系数等性能指标均达到技术要求。
The density, machinery intensity, hardness and medium resistance index of the rubber products meted the technology requirement.
通过各种测量，给出了吸收系数、电阻率、应力、硬度和结合力。
We measured the optical absorption, resistivity, film stress, hardness and cohesive force.
结果表明，随着石墨添加量的增加，复合材料的抗拉强度和伸长率逐渐下降，硬度逐渐上升，摩擦系数逐渐变大。
It shows that the composites' tensile strength and elongation decrease while the hardness and friction coefficient increase with the addition content of graphite.
结合某型发动机悬置，计算得到了不同硬度胶料产品在不同变形量情况下形状系数的经验公式。
For a practical rubber engine mount, empirical formulae are established which vary with material hardness and compression level.
金刚石具有高导热率、低介电系数、高禁带宽度、超高硬度、低摩擦系数等性质，在国民经济的许多部门得到了广泛的应用。
Diamond has many characters, such as high thermal, low permittivity, high band gap, super high hardness, low friction etc, which makes it possible to be widely used in industry.
在试样的表面性能方面，发现注入后的表面硬度、摩擦系数、防腐蚀能力得到了明显的增强。
Moreover, the performances of sample surface, such as microhardness, friction coefficient and corrosion resistance are evidently enhanced.
金刚石膜刀具和聚晶金刚石刀具硬度高，耐磨性好、磨擦性好、磨擦系数小、抗粘接性强，用于有色金属的高光洁度加工。
These kind of cutting tools have high hardness, good wear-resistance, low friction coefficient, can be used for high surface finishes machining of non-ferrous.
但是奥氏体不锈钢的硬度低、耐磨性差、摩擦系数大；在卤素离子环境下易被腐蚀等弱点限制了它的应用范围。
However, its low hardness and poor wear resistance, as well as a tendency to corroding under the halide ion environment, limit its applications.
PEA-DMTDA型低硬度聚氨酯材料在扩链系数为0.9时具有最好的力学性能，耐溶剂性能则随着扩链系数的增加而变差。
PU made from PEA and DMTDA have the best mechnical property when the crosslink coefficient is 0.9. But the solvent resistance decreased with increasing crosslink coefficient.
并在该模型中用岩石硬度、塑性系数和弹性系数来反映岩石的力学性质，从而使模型具有较宽的应用范围。
Furthermore, hardness, plastic coefficient and elastic coefficient have also been introduced in this model to describe the rock nature in con...
这种偶联剂使复合材料的抗冲击强度明显提高、硬度降低、耐磨性有较大的提高而摩擦系数略有降低。
The coupling agent can evidently increase impact strength of the composite. Coupling agent, lower the hardness and friction coefficient o…
这种偶联剂使复合材料的抗冲击强度明显提高、硬度降低、耐磨性有较大的提高而摩擦系数略有降低。
The coupling agent can evidently increase impact strength of the composite. Coupling agent, lower the hardness and friction coefficient o…
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