查询词典 si

Al-Si hypereutectic alloy is one of the most important casting aluminum alloys.

本文研究了熔体过热处理对过共晶Al-Si合金凝固组织的影响。

The process and mechanism of primary silicon growth in the Al-Si hypereutectic melt were studied by quench interrupting.

摘 要：利用等温液淬的方法，研究了Al-18%Si过共晶合金熔体中初生硅的生长行为及机制。

The effects of process parameters on microstructures of hypereutectic Al-Si semi-solid slurry were investigated.

摘 要：研究超声振动制备过共晶Al-Si合金半固态浆料中工艺参数对半固态浆料组织的影响规律。

By means of scanning electron microscopy , transmission electron microscopy and X-ray diffraction techniques, microstructure of spray-deposited hypereutectic Al-Si alloy was analyzed.

本文以过共晶Al-Si合金为研究对象，在对喷射沉积合金凝固过程分析的基础上，重点研究了合金的微观组织与力学行为，讨论了后续热挤压和热处理对喷射沉积合金微观组织和力学性能的影响。

The results of the correlations of composition, function and performances will lay a solid foundation for the fabrication of new model hypereutectic Al-Si alloy, provide evidences for theory and show the direction for industry development.

揭示了过共晶铝硅合金(Si≥20％)的成分、组织和性能之间的内在关系，为研制新型的过共晶铝硅合金提供理论依据和工业应用方向。

An SI slice can be coded such that its decoded samples can be constructed identically to an SP slice.

一个SI类型的slice的解码的取样值可以。。。？？？。

The site preference of Si in TiAl3 is calculated by using a first principles method based on density functional theory.

采用基于密度泛函理论的第一性原理方法，研究了Si原子在TiAl3中的格点取代行为。

3 The values stated in either inch-pound units or SI units are to be regarded separately as standard.

用英寸/磅或 SI 单位标定的数值被看作是不同的标准。

The increasing sequence of trap binding energy is asfollows: Si, Co, Ni, Mn, Cr, Mo.

按陷阱结合能由小到大的顺序是：Si，Co，Ni，Mn，Cr和Mo。

Based on the research findings, a new type Fe-Si-Re alloy inoculant is prepared for molten iron.

根据研究成果，熔制了新型Fe-Si-RE合金，用它做孕育剂处理铁液，生产了机床铸件，取得了良好的预期效果。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。