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单词 helices
释义

helices /'hiːlɪsiːz//'hɛlɪ,siz/

英汉-汉英词典
n. 螺旋线(helix的复数)
词组 | 习惯用语
您要查找的是不是:
  • Helios n. 赫利俄斯(太阳神)
helices helix 螺旋螺旋
helices n. 螺旋线(helix的复数)
left hand helix 左向螺旋线
helix deviation 螺旋线偏差
hedera helix 常春藤
helix accelerator 螺旋波导直线加速器
collagen helix 胶原三股螺旋
helix coil 螺旋线圈
alpha helix α螺旋
helix tube [电子] 螺旋管

网络短语:
triple helices 三股螺旋
cylinder helices 圆柱螺旋线
glass helices 玻璃单环填充物
thin helices 耳轮薄瘦
general helices 一般螺旋线
amphipathic helices 双性alpha螺旋
bifilar back fire helix 双线背射螺旋
transmembrane helices structure 膜螺旋结构
英语例句库
  1. Fig.6 showing the secondary thickening between the gyres of the helix (arrow).
    图6示次生壁物质在螺旋构架之间的填充(箭头)。
  2. The helix has been lengthened,the scapha exposed,the normal ear reduced,the constricted ear augmented and two sides ear have become symmetry.
    结果15例患者的耳廓复合组织片全部成活,耳轮延长,耳舟显露,从而使双耳基本对称。
  3. The vertical height of transmission for each set of flectional helix conveyer will be as high as 10m and the horizontal distance will be 25m.
    单台可弯曲螺旋输送机输送物料,垂直高度可达10米,水平距离可达25米。
  4. Through studies on the fluorescence quenching of P3’–P6’ by Rubredoxin, the extent of quenching was found to be stronger in the polymer with more typical features of helix conformation.
    10. 研究了P3’–P6’ 对铁硫蛋白Rubredoxin的荧光猝灭效应,发现螺旋形构象特征越典型的聚合物被猝灭的的效率越高。
  5. For the reason why optical activity of mesomer is counteracted classical answer was not convincing. By use of the helix theory and stable staggered conformation answer can be obtained.
    指出了内消旋体消旋原因传统解释的不合理性。利用螺旋理论和稳定的交叉式构象,合理地解释了内消旋体消旋的原因。
  6. Object displays various pattern, if superficial, or geometry being hit by the planet and the fixed star in anthodium , snowflake , shell helix or sky in animal skin , leaf or bark arranges middle.
    谢谢了,摘要如下自然是“被设计的”,这一猜想可以为事实证明。事物呈现出各种图案,如在动物皮、树叶或树皮的表面上,或在头状花序、雪花、壳的螺旋或天空中行星和恒星的几何排列中。

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原声例句
Osmosis-遗传

A single DNA molecule has two strands, which wrap one around one another to form a double helix.

一个DNA分子有两条链,这两条链紧密地盘绕螺旋成一个双螺旋结构

经济学人-科技

Each messenger is an edited copy of one strand of the DNA double helix.

每一个信使RNA都是由双旋DNA的一个单链编码转录而成。

CNN 10 学生英语 2022年4月合集

The helix sure is eye-catching -- Amazon in its prime.

这个螺旋状设计的确十分吸引眼球——和亚马逊的prime会员一样吸引人。

疯狂元素城

In the middle, growing in a double helix, rested the Vivisteria plant.

宴会厅中央长着双旋状的时光花树,它正在休眠呢。

连线杂志

When DNA replicates, the double helix comes apart and each half helix has enough information to make a whole new double helix.

当脱氧核糖核酸复制时,双螺旋分开,每个半螺旋都有足够的信息来形成一个全新的双螺旋。

CNN 10 学生英语 2022年4月合集

Unanimously approving plans including the helix building with a walkable ramp surrounded by greenery.

在一致通过的方案中便包括了这一旋状的建筑设计,螺旋状建筑外部环绕着栽满绿植的可步行坡道。

万物简史

It is hoped that Dr. M.H.F. Wilkins will speak in memory of the late helix.

希望M.H.F.威尔金斯博士为已故的双旋致悼词。”

PBS趣味科普

So are your ears, or a helix, or spring that curls right and another that curls left.

你的耳朵,或者螺旋,或者向右卷曲的弹簧也是如此,另一个向左卷曲的弹簧也是如此。

日常生活医学科普

Due to the bond angle of the sugar-phosphate molecules, the linkages will eventually form a double helix structure.

由于糖-磷酸分子的键角,最终形成双螺旋结构。

BBC Ideas 精选(双语)

It shows two long chains of molecules spiralling around each other in a double helix, like a twisted ladder.

它显示了两条长长的分子链在双螺旋中相互缠绕,就像扭曲的梯子。

中文百科

螺旋 Helix

(重定向自Helices)
梵帝冈一间博物馆的楼梯展示了双螺旋结构
 螺旋状灯管的省电灯泡,借由增加灯管长度以提高亮度。
Animación de una hélice.
Forma de hélice cónica en la naturaleza.

螺旋是一种像螺线及螺丝的扭纹曲线,为一种在生物学上常见的形状,例如在DNA及多种蛋白质均可发现这种结构。

螺旋分为左旋右旋。从螺旋中心沿轴线望去,如果螺旋由近至远为逆时针方向,便是左旋,相反则是右旋。大部份螺丝的螺旋是右旋,但在生物结构上左旋和右旋均常见。判断左旋右旋可以用手比对:握拳竖起的大拇指指向轴线方向,假想螺旋是沿着四指方向环绕轴线的,若螺旋延伸的方向和左手大拇指一致则螺旋为左手螺旋,反之为右手螺旋。

两个螺旋交缠在一起称为双股螺旋。

英语百科

Helix 螺旋

(重定向自Helices)
The right-handed helix (cos t, sin t, t) from t = 0 to 4π with arrowheads showing direction of increasing t
A helix composed of sinusoidal x and y components

A helix (pl: helixes or helices) is a type of smooth space curve, i.e. a curve in three-dimensional space. It has the property that the tangent line at any point makes a constant angle with a fixed line called the axis. Examples of helices are coil springs and the handrails of spiral staircases. A "filled-in" helix – for example, a spiral ramp – is called a helicoid. Helices are important in biology, as the DNA molecule is formed as two intertwined helices, and many proteins have helical substructures, known as alpha helices. The word helix comes from the Greek word ἕλιξ, "twisted, curved".

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更新时间:2025/6/21 8:06:33