Unlike helium-4, it cannot be produced by radioactive decay.

The bizarre behavior of superfluid helium has attracted many able theorists.

超流体氦这些异乎寻常的行为吸引了许多有才干的理论物理学家.

A fountain of helium spurt out of the tube.

有一股氦的喷泉从小管中喷出.

Helium is a noble gas.

氦气是惰性气体.

Helium and neon measurements provide further evidence that the earth was not completely melted.

氦和氖的测定,提供了更多的关于地球并非全部熔融的证据.

The helium-3 apparently became trapped when the earth was formed.

显然,当地球形成时,氦 - 3就被圈闭了.

Helium is a very light gas.

氦是一种非常轻的气体。

The triple helix brings you into the feeling center.

三倍数螺旋带你们进入知觉中心.

Accustomed to midnight, the helix and the cold finger of friction.

习惯了午夜时分耳轮和指尖冰凉的摩擦.

The alpha helix is found in muscle protein and keratin.

α螺旋存在于肌肉蛋白和角蛋白中.

Drill cross section profile ( DCSP ) is a characteristic parameter of drill helix flute form.

横向截形是麻花钻螺旋面容屑槽的一个特征参数.

Objective To evaluate the application of helix CT on diagnose and therapy of progression stomach cancer.

目的评价螺旋CT在进展期胃癌的诊断与治疗方面的应用价值.

Alpha helix A highly stable structure in which peptide chains are coiled to form a spiral.

螺旋:蛋白质多肽链本身的折叠和盘绕的方式.

The effect of the parameters of inner helix groove on the heat transfer efficiency is investigated.

分析了螺旋沟槽的各参数对管材换热效果的影响.

Helical gear with different helix angles is a particular gear is widely used in polishing grinder.

变螺旋角斜齿轮是一种特殊齿轮,广泛应用于抛光设备中的抛光磨头上.

The tape helix model is suggested for vaneloaded helical slow wave structures in this paper.

建立了翼片加载螺旋线慢波结构的螺旋带模型,得到了实用的色散方程、耦合阻抗和衰减常数的表达式.

Helix bracket can adjust the height freely and satisfy most aperture of the tube.

独特的螺旋盘支架设计可自由调节高度和灵活组合不同孔径的支撑盘用来满足大多数采样试管.

One possibility is RNA. This is like DNA, but rather simpler, and without the helix structure.

有可能是RNA( 核糖核酸). RNA很像DNA, 但是RNA要简单些, 它不具有双螺旋结构.

Hydrogen bonding between successive coils holds the helix together.

氢键维持着螺旋的稳定.

The familiar eyeball shape of the Helix Nebula shows only two dimensions of this complex body.

星云图片画廊.熟悉的眼球形状的螺旋星云显示只有两个层面对这一复杂的天体.

These twelve helixes certainly do not comprise all of the information inside the light-encoded filaments.

当然这些十二个螺旋不组成内在光编码细丝全部信息.