They took a crystal, this is a single crystal of nickel that has regular planes of atoms, and those planes are spaced on the order of an angstrom or less apart, and they irradiated this with x-rays.
他们取了个晶体,一个具有规则原子平面的,镍晶体,这些面间距差不多也是一埃或者更少,它们放射出X射线。
Any given volume of water contains two types of molecular structures-one a blobby, loosely packed agglomeration and the other a tight, regular arrangement resembling a crystal lattice.
任何给定容量的水包含两种类型的分子结构—一种是点点松散的凝聚体,而另外一种是紧凑规则的类似晶体的组合。
But when scientists squeezed tiny samples of a metallic glass under high pressure, they got a surprise: the atoms lined up in a regular pattern to form a single crystal.
但是当科学家在很高的压力下压制微小的金属玻璃样品时,他们得到了一个惊喜:原子以一种固定的模式排列起来而形成了单晶。
That means that nanobacteria probably become coated with proteins or other organic molecules, which stop them from growing like a regular, jagged limestone crystal and instead look like round blobs.
这意味着纳米菌可能有着蛋白质或其他有机分子的涂层,阻止他们像锯齿状的石灰岩晶体一样正常生长,而是像是圆形斑点。
The particles of the spinel oxides prepared in microwave field have very regular octahedron or polyhedron crystal morphology with well crystallization.
用微波加热合成的尖晶石氧化物结晶度好,晶体颗粒呈规则的八面体或多面体形态。
"The genetic effect is much lower than those who are regular smokers, but this does not mean that there are no health consequences," says Dr. Crystal.
“基因影响比那些经常吸烟的人们要低的多,但是这不意味着没有健康问题,”Crystal博士说。
The HAP induced by the film with —NH2 head groups is the nano-platelet crystal with regular orientation and order array.
功能团为—NH2的有机膜所诱导的晶体为定向生长且规则排列的纳米片状HAP晶体;
The microstructure at the top and middle was the regular pine tree eutectic crystal and small cell and column crystal, respectively.
中部为细小的胞晶和柱状晶;且晶体生长受结晶学各向异性影响。
CBN230 Yellow mono-crystal, transparent, regular shape, high toughness and hardness.
CBN230金黄色立方氮化硼单晶,等积形透明晶体,高韧性,高强度。
CBN230 Yellow mono-crystal, transparent, regular shape, high toughness and hardness.
CBN230金黄色立方氮化硼单晶,等积形透明晶体,高韧性,高强度。
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