同素异形体

Atomic number Z = 25, atomic weight of 54938, the chemical symbol Mn, only the F there is a stable isotope, radioactive short-lived, there are three kinds of allotrope α,β,γ.

原子序数Z＝25，原子量54938，化学符号为Mn，只F有一种稳定同位素，放射性的寿命很短，有三种同素异形体α、β、γ。

Fullerene, the third carbon allotrope besides graphite and diamond, was discovered by Kroto et al. in 1985. Since then, the studies of fullerenes has become the worldwide hot topic and significant progresses in many fields have been achieved.

富勒烯为除金刚石和石墨外碳元素的第三种同素异形体，自Kroto等1985年发现以来，对富勒烯的研究一直是世界性的热点话题，并在多个方面取得重要进展。

A blue gaseous allotrope of oxygen, O3, formed naturally from diatomic oxygen by electric discharge or exposure to ultraviolet radiation.

臭氧：一种气态氧气的同素异形体，O3在紫外线辐射下通过电子放射或暴晒从双原子氧气自然形成。

As the fourth allotrope of condensed carbon, the carbon nanotubes have been attracted more and more attention and applied widely in many fields owing to their quasi one-dimensional infinite nanostructures and unique mechanics, electron transport and gas adsorption properties.

碳纳米管(carbon nanotubes，CNTs)作为碳的第四种同素异形体，由于其准一维的管状纳米结构，以及独特的机械、电子传导、气体吸附等性质，越来越被人们所关注和研究，并已在多种领域得到广泛的应用。

Diamond, an allotrope of carbon, has many physicochemical properties unrivaled by other known materials, such as superhardness, high thermal conductivity, high spectral transmittance and perfect electrical insulation. Thus it is considered an ideal material for many special applications in mechanics, thermotics, optics, electronics and other fields.

金刚石是碳的一种同素异形体，具有许多其它材料无法比拟的物理化学性质，如超高硬度、高导热率、高光学透过率和极好电绝缘性，因而在力学、热学、光学和电子等领域有许多特殊的应用价值。

White phosphorus is a common allotrope of the chemical element phosphorus which has found extensive military application as an incendiary agent, smoke-screening agent, and as an antipersonnel flame compound capable of causing serious burns.

白磷属于磷元素的一种同素异形体，这种化学物质被广泛应用于军事燃烧弹，烟幕弹的制作中，其杀伤性燃烧混合物可以造成严重的烧伤。

Products Introduction: Silicon cycle, the department of the first type IV elements, is a non-metallic element, atomic number 14, atomic weight 28.80; density of 2.33g/m3; melting point of 1410 ℃; boiling point of 2355 ℃; resistively for 2140Ω.M; includes two types of stereotypes and crystal allotrope.

硅周期系第 IV 类元素，是非金属元素，原子序数14，原子量为28.80；密度为2.33g /m3；熔点为1410℃；沸点为2355℃；电阻率为2140Ω。m ；有无定型和晶体两种同素异形体。

Medical ozone ( oxygen-ozone , mixture of oxygen and ozone) has been used to cure many diseases including wound , abscess , gangrene , hepatitis , herpes , osteo- myelitis,vulvovaginitis, thrombophlebitis, Raynaud s disease , AIDS , etc .

目的：臭氧(Ozone， O_3)又称三原子氧，是氧分子(Oxygen ， O_2)的同素异形体，具有仅次于氟的强氧化性。

Addition of angular momentum: Clebsch-Gordan series and coefficients, spin systems, and allotropic forms of hydrogen.

角动量加法：向量耦合（Clebsch-Gordan）级数和系数，自旋系统，和氢的同素异形体。

Addition of angular momentum: Clebsch-Gordan series and coefficients, spin systems, and allotropic forms of hydrogen.

角动量加法：矢量耦合（Clebsch-Gordan）级数和系数，自旋系统，和氢的同素异形体。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。