他们在1953年构建了第一个DNA双螺旋结构。
They created the first double helix model of DNA in 1953. Photograph: ap.
双螺旋结构的基本要素由四个极点与四段生命链构成。
And its basic segments are four acmes and four chains of life.
化合物6是一维的双螺旋结构，由20元环状结构单元组成。
Compound 6 is a 1d double helical chain containing 20-membered rings (6).
最经典的例子莫过于生物学中的双螺旋结构和物理学中的基本方程。
Examples include the double helix in biology, and the fundamental equations of physics.
提出了一种将混沌系统的单螺旋结构转变为双螺旋结构的新方法。
A novel method of transforming single-scroll to double-scroll structure of a chaotic system is introduced.
DNA是地球上所有生命的基础，它有着像螺旋式楼梯一样的双螺旋结构。
DNA is the basis of all life on earth. It has a double helixstructure， like a spiral staircase.//
DNA（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。
The DNA molecule is a double helix, resembling a ladder that's been twisted along its length.
DNA双螺旋结构模型的建立，是生命科学史上的奇迹和里程碑，具有划时代的意义。
The foundation of DNA double spiral structure model is the miracle and milestone in the history of life science. It has epoch-making significance.
它们采用小批量应用的标准浅形，大批量应用的深形，和超大容量应用的双螺旋结构。
They are available in standard, shallow for small volume applications, deep for large volume applications, and double helix for extra-large volume applications.
在不久之后写给克里克的另一封信中，威尔金斯气急败坏的指责富兰克林没能早点发现双螺旋结构。
Another letter to Crick, written soon after, reveals Wilkins's exasperation that Franklin had not discovered the double helix sooner.
事实上，在1950年当沃森博士合作发现DNA的双螺旋结构的时候，他的断言的确有一定的道理。
In truth, Dr Watson, co-discoverer of the double-helical structure of DNA back in the 1950s, had a point.
作为重要的遗传物质，DNA为双螺旋结构，组成双螺旋的两条链由嘌呤和嘧啶通过氢键配对联系。
Being as an important hereditary substance, DNA has the double helix, the two bonds composing the double helix are mating and connecting with each other through the purine and the pyrimidine.
正如没有DNA双螺旋结构的发现，就没有遗传传达传递的中心法则，也就没有今天的分子生物学。
Just like does not have the DNA double helix structure discovery, has not inherited the transmission transmission the central dogma, also does not have today's molecular biology.
从摩尔根发现染色体是基因的载体，到DNA双螺旋结构的发现，你能在看完展览后说出其中的奥秘吗？
Morgan found from chromosomes are gene carrier, to DNA double helix discovery, you can read them out in the mystery of exhibition?
信件里的一段文章在周三由自然杂志刊发，内容侧重于与1953dna双螺旋结构的发现有相关的模型。
An article on the letters was published Wednesday in the journal Nature, focusing on those related to the discovery of DNA's double helix structure in 1953.
丹麦馆是采用双螺旋结构造型，其人行道和车行道，从地面盘旋两次到达12米的高度，又盘旋而下回到地面。
The pavilion is a double spiral with pedestrian and cycling lanes that takes the visitors from the ground through two ramps, up to a level of 12 meters, and down again.
由于核酸含磷酸基团、碱基、脱氧核糖羟基以及双螺旋结构，使金属络合物容易在这些位置发生多元络合反应。
Since the nucleic acids contain phosphonic group, basic group, desoxyribose hydroxy and double spiral species in nucleic acids, nucleic acids form easy multicomponent complexes with metal complex.
单个dna双螺旋结构，这许多基因是约1000年倍太长，无法在细菌细胞内没有被某种程度上凝聚以占用更少的空间。
A single DNA double helix with this many genes is about 1000 times too long to fit inside a bacterial cell without being condensed somehow in order to take up less space.
从远处看，这些基本成分看上去极为相似，因此DNA的每一部分的基本形状都是相同的 —著名的沃森克里克双螺旋结构。
From a distance, these building blocks look very similar, so every piece of DNA you look at has the same overall shape—the famous Watson-Crick Double Helix.
排在榜单三甲位置的发明都是医学领域的重大发明或发现。紧随X光机之后的是盘尼西林(青霉素)的发明，以及DNA双螺旋结构的发现。
The firstthree positions were filled by medical inventions or discoveries,the X-ray machine being followed by the discoveries of penicillinand the DNA double helix structure。
我们是否真正了解了DNA仍值得商榷，但1953年的这一天，弗朗西斯·克里克(Francis Crick)和詹姆斯·d·沃森发表了系列论文的第一篇，阐述了DNA的双螺旋结构。
Whether we really understand DNA is debatable, but Francis Crick and James D. Watson published the first of many papers describing the double helix structure on this day in 1953.
他并且背着弗兰克林，把她拍摄的关键照片提供给沃森，这张照片表明——第一次表明——构成DNA结构的是双螺旋状态。
He'd also provided Watson, without Franklin's knowledge, with her key photograph, which showed — for the first time — the double-helix shape that underlies the structure of DNA.
这些结构是由一束束双螺旋DNA链构成。
The structures are made from bundles of double-helix DNA strands.
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。
Structurally, DNA is composed of two strands that intertwine to form a spring-like structure called the double helix.
前驱体中有多孔结构、良好的层状结构、特别是非常规则的单螺旋及双螺旋纳米棒，是比较新颖的一种纳米自组装结构。
In precursors, clear layer structures are observed, especially some regular single and double helix nano rod, which are noble self-assemble structure.
尤其是对它结构(双螺旋线以外的结构)的研究。
Particularly when it comes to its structure — the stuff beyond the double helix.
介绍了新型干燥设备双螺旋干燥机和盘式干燥机结构及其应用情况。
The general situation, application features and technological and economic aspects of a new drying equipment composed of a double spiral dryer and a disc dryer are described.
本发明提供一种结构简单、传动精度高、故障率低的双螺旋副整排看台座椅自动翻放装置。
The invention provides an automatic double helix turning and setting device of side row stand seat with the advantages of simple structure, high transmission accuracy, and low failure rate.
本发明提供一种结构简单、传动精度高、故障率低的双螺旋副整排看台座椅自动翻放装置。
The invention provides an automatic double helix turning and setting device of side row stand seat with the advantages of simple structure, high transmission accuracy, and low failure rate.
应用推荐