helix

英 [ˈhiːlɪks] 美 [ˈhiːlɪks]

n.  螺旋(形)

复数:helixes

IELTS化学

BNC.17577 / COCA.22645



牛津词典

noun

  1. 螺旋(形)
    a shape like a spiral or a line curved around a cylinder or cone

    柯林斯词典

    1. N-COUNT 螺旋形;螺旋体
      A helix is a spiral shape or form.
      1. Coil the fibre into a helix.
        将纤维卷绕成螺旋形。

    双语例句

    1. Coil the fibre into a helix.
      将纤维卷绕成螺旋形。
    2. Structurally, DNA is composed of two strands that intertwine to form a spring-like structure called the double helix.
      从结构上讲,DNA是由两条链相互缠绕构成弹簧状结构称为双螺旋。
    3. The DNA molecule is a double helix, resembling a ladder that's been twisted along its length.
      (脱氧核糖核酸)的分子是一种双螺旋结构,酷似一架沿纵向扭曲的梯子。
    4. The collagen in the serosa is made up of a triple helix molecular structure.
      绒毛膜上的胶原组成了三角形的落选分子结构。
    5. Ten machining origins may be set by straight line, arc, helix and parabola.
      直线、圆弧、螺旋线及抛物线可设定10个加工原点。
    6. Effect of Helix Angle Errors on Transmission Error of Double Circle Arc Helical Gears
      双圆弧齿轮的螺旋角误差对其传动误差的影响分析
    7. Deoxyribonucleic acid ( DNA for short) is a kind of germ plasm with the structure of double helix.
      脱氧核糖核酸(简称DNA)是生物体内的一种具有双螺旋结构的遗传物质。
    8. In this close-up the DNA is seen as a long twisted molecular ladder, the double helix.
      在这个距离上,DNA看起来像一条长长的扭曲的的分子梯,也就是双螺旋结构。
    9. 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。
    10. Mixing drum; Helix angle; Numerical simulation;
      搅拌筒;螺旋升角;数值模拟;
    11. Genes are segments of the DNA double helix that encode the information for making proteins.
      基因是一段DNA双股螺旋,其中携带了制造蛋白质的编码资讯。
    12. The clinical application for the condyle fracture by three-dimensional rebuilding of the helix ct.
      螺旋ct三维重建在髁突骨折中的临床运用。
    13. He codiscovered DNA's double helix, revealing the code of life to scientists and entrepreneurs alike.
      他和别人共同发现了DNA的双螺旋结构,揭示了科学家和企业家身上具有相同的密码。
    14. It provided strong evidence of the structure of D-N-A as a double helix.
      它为脱氧核糖核酸结构呈双螺旋线提供了有力证据。
    15. Helix formation of an open central space, light from the round glass top layer.
      螺旋的中部形成一个敞开的空间,从玻璃圆层顶采光。
    16. There are five other double helix pairs in the DNA system.
      在dna系统里还有五条其它的双螺旋对。
    17. This paper focuses on the optimal pitch arrangement in double-side heating once-through steam generator with helix tube inside.
      本文主要研究了带内螺旋缠绕管的管套管双面加热直流蒸汽发生器元件中沸腾段内螺旋管螺距设置的优化问题。
    18. Any of several inedible snails of the genus Helix; often destructive pests.
      螺旋属中的几种不能食用的蜗牛;是经常具有破坏性的害虫。
    19. They find a third, separated strand in the center of the double helix.
      他们发现了第三条,在双螺旋体中心的单独条。
    20. DNA double helix, secondary structure of RNA, and elements of protein folding;
      DNA双螺旋线,RNA(译注:核糖核酸,下同)的二级结构和蛋白质折叠基元;
    21. The constant angle at which a helix cuts the elements of a cylinder or cone.
      一个螺旋状物切割圆柱体或圆锥体的某些部分而形成的连续的角。
    22. 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。
    23. Study and Design of New Type Bifilar Helix Antenna
      一种新型双臂螺旋天线的研究与设计
    24. Some biological molecules have the form of a helix.
      有些生物分子呈螺旋状。
    25. The triple helix theory come forth after national innovation system.
      三螺旋理论是继国家创新系统之后新出现的理论模型。
    26. The formulation of the helix angle of the device with tapered thread is deduced.
      推导了锥螺纹的螺旋升角计算公式。
    27. This paper gives a quantitative analysis and comparative research which based on data mining for SCI2000 and Triple Helix Algorithm.
      引荐了这方面的一个基于SCI2000的数据挖掘后,在三重螺旋算法下的定量规范性研究,并进行了相应国别区域比较分析。
    28. In other words such a molecule is pictured much as if it were a conducting helix.
      换句话说,这样一个分子的图象很像一条导电的螺旋线。
    29. It has been discovered to be the double helix building block of all life.
      已经发现是建造所有生命模块的双螺旋体线。
    30. From the STMimages, we could see clearly the helix pitch and helix diameter of helix structure.
      由STM图象中我们能清晰地观察到螺旋结构的螺距与螺径。

    英英释义

    noun

    1. a structure consisting of something wound in a continuous series of loops
      1. a coil of rope

      Synonym:    coilspiralvolutewhorl

    2. a curve that lies on the surface of a cylinder or cone and cuts the element at a constant angle

        Synonym:    spiral