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- SB2016 High Pressure High-power Resistance Box adopts especial aging treatment, precise wire wound resistor of low temperature coefficient and high-pressure airproof switch. SB2016型高压大功率电阻箱采用经过特殊老化处理、低温度系数的精密线绕电阻器及高压密封开关。
- The precipitations and high temperature tensile strength of DS NiAl/Cr(Mo,Hf) alloy after the HIP and aging treatment were studied. 研究了经热等静压处理后定向凝固 Ni Al/Cr(Mo,Hf)合金中的沉淀相和高温拉伸性能的变化。
- The effect of aging treatment on residual resistance ration of pure beryllium was studied by the use of electric potential approach. 运用电位方法测量纯金属铍剩余电阻比,研究了时效处理制度对金属铍的剩余电阻比的影响。
- Abstract: The effect of aging treatment on residual resistance ration of pure beryllium was studied by the use of electric potential approach. 摘 要: 运用电位方法测量纯金属铍剩余电阻比,研究了时效处理制度对金属铍的剩余电阻比的影响。
- The fracture character is also anis otropic,and it transits from intergranular one to intersubgranular one as aging treatment progresses. 且随着时效的进行,合金的断裂方式由沿晶分层断裂向沿亚晶分层断裂转变。
- Abstract: Intergranular corrosion and exfoliation corrosion behavior of 2195 Al-Li alloy with different aging treatment schemes were studied. 摘 要: 研究了2195铝锂合金在不同时效状态下的晶间腐蚀和剥落腐蚀行为。
- Compared with the samples prepared by normal aging treatment, the test samples prepared by overaging treatment have better wear resistance. 采用固溶过时效处理之后,耐磨性优于正常固溶时效处理的试样。
- Aging treatment can cause some damage to membrane system of seed while no significant effect on the semipermeable layer. 老化对种子膜系统有一定损伤,但对半透层并无显著影响。
- Influences of aging treatment,quenching temperature and tempering temperature on structure and property of medium-chromium cast iron were investigated. 研究了时效处理、淬火加热温度和回火温度对中铬铸铁组织性能的影响。
- After a series of heat treatment process tests, the age treatment system of 2A14-T6 is established. 经过一系列热处理工艺试验 ,确定了 2A1 4-T6合金大规格棒材的人工时效制度。
- The precipitation process of secondary phase can be accelerated by cold working before aging treatment, and the pinning effect of the precipitates on the dislocations gre. 时效前冷变形能大大加快析出相的析出,析出相对位错的钉扎作用强烈阻碍合金再结晶的形核和长大,使合金产生明显的时效硬化。
- The molten potassium nitrate loses its activation at the beginning of ion exchange process, whereas the deactivated baths can be reactivated by aging treatment. 硝酸钾熔液在使用初期会暂时失去活性,失活的熔液在经过时效处理后能够复活;
- The anisotropy during aging treatment for 2195 Al-Li alloy cold-rolling sheet is studied through tensile mechanical properties and electron fractography. 通过拉伸力学性能测试和断口形貌分析,研究了2195铝锂合金冷轧薄板的各向异性随时效时间变化的规律。
- The microstructure and properties of chromium bronze after homogenizing treatment, solid solution and aging treatment, cool deformation and aging was studied. 摘要研究了均匀化处理、固溶时效、冷变形时效等对铬青铜显微组织和性能的影响。
- This non sequitur invalidates his argument. 他不根据前提推理因而论证无效。
- Patience is a sine qua non for a good teacher. 做个优秀教师必不可少的条件是要有耐心。
- This series fit for drying, solidifying, baking &aging treatments of all kinds of workpieces in minitype. 设备适用范围广,可用于对各类产品的干燥、固化、烘焙、温度老化等工艺。
- The diplomat was declared persona non grata. 这位外交家被宣布为不受欢迎的使节。
- After aging treatment, the alloy hardness increased to its peak fast then decreased, tensile properties of AM50 and AM50+2%Ca decreased a little while tensile properties of AM50 + 1% Ca increased a little. 时效后,挤压添加1%25Ca的合金抗拉强度略有升高,未加和加入2%25Ca的抗拉强度略有下降,三种合金的硬度增加到峰值后逐步下降。
- The aging football player was playing on the skids. 那个上了年纪的足球运动员很明显地在走下坡路。