聚合物材料多为半晶态,晶畴和非晶畴共存。
Polymers are usually semi-crystalline materials in which crystalline and amorphous domains coexist.
PVDF是一种半晶状聚合物,它有四种不同的晶型。
PVDF is a semicrystalline polymer whose crystalline domains appear in four different forms.
图1。一批维尔纳叶法工艺生长的半晶柱,演示了这种晶体生长的各种颜色。
Figure 1. A selection of half boules grown by the Verneuil process, illustrating many of the colors these crystals are grown in.
PPTC的动作原理PPTC线路保护设备的动作媒介是由半晶质的化合物和电导介质组成。
PPTC Principle of Operation PPTC circuit-protection devices are formed from a composite of semicrystalline polymer and conductive particles.
这浪费了大概一半的晶圆材料。
硅晶片通常都是从一块较大的硅上裁剪而来,此方式浪费了大概一半的圆晶原料。
Normally silicon wafers are cut from a larger piece of silicon. This wastes about half of the wafer material.
2004年,他们在半人马星座附近发现一颗白矮星,将其称之为“BPM 37093”。 这颗白矮星由晶化碳构成,重量为500万*1万亿*1万亿磅。
And in 2004, they found that a white dwarf near the constellation Centaurus, BPM 37093, wasmade of crystallized carbon weighing 5 million trillion trillion pounds.
在具有更为复杂的预成形几何形状的适当基体上将聚晶半刚石用作高强度薄涂层表面材料应当说是很容易的事情。
Applying polycrystalline ballas diamond as material for high-duty, thin coating surfaces on suitable substrates with even complex pre-shaped geometries should be quite easy.
研究了低温铸造法制备亚共晶铝硅合金半固态成形用坯料。
The preparation of hypoeutectic Al-Si alloy billets for semisolid forming by low temperature casting was studied .
采用自行研制的倾斜取样板进行取样,并借助金相图像分析系统研究了半固态高铬铸铁先共晶奥氏体的衍变过程。
The evolution of pro-eutectic austenite in semi-solid high chromium cast iron was studied by self-made slope sampling plate through metallographical image analysis system.
研究了低频电磁半连续铸造7A60合金铸锭的合金元素在晶内的固溶状况和力学性能。
The intracrytalline solubility of alloy elements and mechanical properties of 7A60 Al alloy billets cast by low frequency electromagnetic casting were investigated.
冷却斜板铸造法是实现半固态铸造成形的一种简便而有效的方法,可以以较低的成本生产具有细小球晶组织的铸件。
The cooling slope casting is a branch of semi-solid casting technique, and it is also a simple and effective method to produce castings with fine globular microstructure at low cost.
介绍了镁合金半固态触变成形技术中的三个关键技术:非枝晶组织半固态浆料的制备、坯料的二次加热、半固态触变压铸成形。
This paper introduced the key technology of SSP(semi-soild process) thixomolding of magnesium alloys : the preparation of non-dendritic structure, reheating, thixomolding.
通过磁路半集总参数分析,提出了用旋转永磁体法制备非枝晶组织半固态浆料的磁路设计原则。
A principle of the magnetic circle designing of rotary magnetic method used in making semisolid slurry with non dendritic structure is analysed by the semi lumped factor method.
分析了亚共晶高铬铸铁半固态浆料进行流变挤压成形后挤压件的力学性能。
The mechanical property of the hypoeutectic high chromium cast iron extrusion samples was analyzed after extruded by semi-solid rheocasting forming.
采用X-射线衍射(XRD)法分别考察了温度、催化剂和水分对生物质热解气化半焦微晶结构的影响。
The influences of temperature, catalysts and moisture on microcrystallite structure of pyrolysis gasification semicoke were investigated using X-ray diffraction(XRD).
半固态金属成形技术的关键是制备非枝晶结构的半固态金属材料。
For semi solid metal forming, it is crucial to produce semi solid metal materials that have non dendritic structure.
研究了应变诱发熔化激活法(sima)制备az91半固态坯料枝晶演变规律。
Thixotropic microstructure formation of AZ91 by Strain Induced Melt Activation Process (SIMA) was investigated in this study.
在某些富锂、氟含稀有金属花岗岩的石英和钾长石斑晶中常见(半)雪球结构。
The snowball texture in quartz and K_feldspar phenocrysts is commonly observed in some Li_F enriched and raremetal_bearing granites.
本模型中铁磁层具有单轴磁晶各向异性和立方磁晶各向异性,而反铁磁层仅具有单轴磁晶各向异性,但其厚度趋于半无穷。
The thin FM film is considered as a single crystal with cubic and uniaxial magnetocrystalline anisotropies, while the AFM film has only uniaxial magnetocrystalline anisotropy.
本模型将铁磁薄层抽象为一个单晶,具有立方磁晶各向异性和单轴磁晶各向异性,而反铁磁层视为厚度趋近于半无穷,且只有单轴磁晶各向异性。
The thin FM film is taken to be a single crystal with cubic and uniaxial magnetocrystalline anisotropies, while the AFM film has only single uniaxial magnetocrystalline anisotropy.
从非枝晶坯料的制备、坯料的重熔加热和半固态的成形工艺等三方面介绍镁合金半固态成形的研究现状。
The present status of the research of Mg alloy semi-solid processing from three aspects including the preparation of non-dendritic structure, reheating and semi-solid processing were described.
试验分析比较了上述三种铝合金的半固态非枝晶组织特点。
The characteristics of semi solid non dendritic microstructure of the three kinds of aluminum alloy were compared by experimental analysis.
采用倾斜板冷却体法对亚共晶高铬铸铁进行半固态成形,研究了倾斜板角度对亚共晶高铬铸铁半固态组织的影响规律。
Effects of inclined Angle on semi-solid microstructure of hypoeutectic high cr cast iron prepared by inclined plate cooling method were investigated.
晶间孔隙主要发育在陡一段下部的粗粉晶含灰云岩中,白云石晶体为自形晶和半自形晶。
The former are mainly developed in the coarsesilt grained, euhedral and semi-euhedral crystalline calcitic dolomites occurring in the lower part of the first member of the Doushantuo Formation.
上述纳米晶金刚石沉积物显示出与半刚石沉积物几乎相同的拉曼谱峰,而且TEM图象也十分相似。
The described nano-crystalline diamond deposits show nearly the same Raman peaks as ballas deposits and also the TEM images look very similar.
硬脂酸钠在半水硫酸钙晶须表面的吸附并不均匀,同时吸附状态也随用量的改变而改变。
The absorption of sodium stearate on hemihydrate calcium sulfate whiskers surface is uneven and the absorption state changes with additive amount.
它因为其大的晶型,单位体积只含有精盐一半的钠。
It has half the sodium of table salt, thanks to its large crystals.
它因为其大的晶型,单位体积只含有精盐一半的钠。
It has half the sodium of table salt, thanks to its large crystals.
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