Armstrong began to describe what he saw: "The surface appears to be very, very fine grain, like a powder. I can kick it loosely with my toes."
阿姆斯特朗开始描述他所看到的：“月球表面呈现的是非常非常细的微粒，像粉末，我可以用脚趾踢松它。”
Equal channel angular extrusion is a new technology of obtaining ultra fine grain materials.
等通道转角挤压是一种新的制备超细晶粒材料的技术。
Youzhan 8, selected from a natural mutation of variety Aojinzhan by Rice Research Institute of GXAAS, is a fine grain quality inbred variety of indica type.
油占8号是广西农科院水稻所从“澳粳占”自然变异植株中选育而成的优质常规稻新品种。
Kinds of approach to fine grain were discussed.
对各种细化晶粒的方法进行了探讨。
Morocco: goatskin with fine grain for book covers.
摩洛哥皮：具精细纹理的山羊皮。书皮用的物料。
The fine grain of pure tantalum can be obtained easily through PM.
粉末冶金法较易获得细晶粒组织。
The results showed that the dynamical recrystallization can fine grain.
结果表明，通过动态再结晶能获得细小的晶粒。
The absorbing mechanism of metallic ultra fine grain has been analyzed.
分析了金属超细颗粒的吸波机制。
The surface layer of the alloy is fine grain region, its center is coarse grain region.
铸态合金表层为细晶粒区，心部为粗晶粒区。
The coarse grain zones of laser welded joint of super fine grain steel show good toughness.
超细晶粒钢激光焊接接头粗晶区有较好的韧性。
The casting process of fine grain K418 superalloy blades has been investigated in this paper.
研究了K418高温合金细晶叶片铸造工艺。
The temperature and the deformation rate are the key factors to prepare ultra-fine grain materials.
变形温度和变形速率是获得超细晶材料的关键。
These mechanisms can provide dual fine grain protection and enhance the system scalability and security.
本系统能提供细粒度的安全保护，提高了系统的可扩展性和安全性。
The microstructure and fine structure of weld fusion zone for high strength fine grain steel were studied.
研究了高强度细晶粒碳素钢焊接接头熔合区附近的显微组织及精细结构。
This paper introduces the development and the application of the ultra fine grain C-Mn steel in BAO steel.
本文简要介绍了宝钢碳锰超细晶粒钢的研制及应用。
The technical requirements of HRBF500E ultra-fine grain earthquake-resistant reinforced bar were analyzed.
分析了HRBF 500e超细晶粒热轧抗震钢筋的技术要求。
All of this is balanced with fine grain tannins and a soft acid finish that give balance and drinkability.
优质的单宁感和柔顺的酸度构成了很好的平衡。
Gold in stratiform major orebody is mainly included in bornite and tetrahedrite as fine grain of native gold.
层状主矿体中金主要以细小的自然金形式包裹于斑铜矿和黝铜矿中。
The molybdenum sintered at lower temperature by SPS having higher hardness is due to fine grain strengthening.
SPS在较低温度下烧结的钼的硬度较高，原因是其晶粒较细。
Gold in strati form major orebody is mainly included in bornite and tetrahedrite as fine grain of native gold.
层状主矿体中金主要以细小的自然金形式包裹于斑铜矿和黝铜矿中。
Equal Channel Angular Pressing (ECAP) is an advanced technology for preparation of ultra-fine grain materials.
等通道转角挤压(ECAP)是一种制备超细晶粒材料的新技术。
It is found that the alloy has the fine lanthanum oxide particles and fine grain as well as high yield strength.
结果表明，稀土氧化镧掺杂钼合金由于其细小的氧化镧颗粒和细小的晶粒的作用而具有较高的屈服强度。
SP52 ultra-fine grain hot rolling sheets which have Q235 composition were produced in Pansteel 1450 industrial mill.
在攀钢1450热连轧机上，用Q 235普碳钢成分生产出了具有超细晶粒的SP52热轧钢板。
The simulations of austenite grain growth in HAZ of ultra-fine grain steel make foundation for future research work.
本文的研究结果将有助于新一代钢铁材料焊接HAZ组织模拟的进一步研究。
The result shows that the better fatigue properties are achieved under the fine grain size and the plastic grain boundaries.
结果表明在细晶粒和塑性晶界条件下具有较好的疲劳性能。
The equal-channel angular pressing (ECAP) had achieved the potential for obtaining ultra-fine grain and improving mechanical properties.
等径弯曲通道变形（简称ECAP）具有获得超细晶组织和改善力学性能的潜力。
The strength and toughness of super fine grain steels are greatly increased because of its micrometer or sub micrometer grade grain size.
超细晶粒钢依靠生成微米级或亚微米级的铁素体，使钢的强度和韧性大大提高。
The strength and toughness of super fine grain steels are greatly increased because of its micrometer or sub micrometer grade grain size.
超细晶粒钢依靠生成微米级或亚微米级的铁素体，使钢的强度和韧性大大提高。
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