The chemist Kekule discovered the ring structure of benzene in a dream.
化学家凯库勒在梦境中就发现了苯的环形结构。
Friedrich Kekule discovers the unique ring like structure of the molecule benzene right after he wakes up from a day-dream about snakes chasing their own tails and forming rings.
弗里德里希·凯库勒发现分子苯的结构想一个环状的客观事实,正是醒于当天的一个白日梦后知道的,在梦里他梦见一群蛇都在追逐着各自的尾巴,于是形成了好多环形。
About the Ring structure, Lapierre explained, "' the Ring 'is an installation that takes into consideration the urban space networking: the rhythm, flow, organization and spatial hierarchy."
对于这个环式结构,Lapierre介绍到:“这个环是一种考虑了城市空间网络的作品,如节奏、流转、组织以及空间层次。”
Powerful radiation from the stars is sculpting the surrounding dust, creating the ring-like structure seen at the center of this frame.
强烈的辐射穿透了周围的尘埃,形成了图片上的环状结构。
This particular planetary nebula, pictured above and designated Shapley 1 after the famous astronomer Harlow Shapley, has a very apparent annular ring like structure.
上图中的行星状星云叫做Shapley1以著名天文学家Harlow Shapley的名字命名,它有非常明显的环状结构。
The chemist Friedrich Kekulé discovered the ring-shaped structure of benzene after dreaming of a serpent devouring its tale, for example.
例如,化学家Friedrich Kekulé梦到蛇咬住自己的尾巴后得到启发,发现了苯的环状结构。
Kekule discovered the ring structure of benzene in a dream.
化学家凯库勒在梦境中就发现了苯的环形结构。
Titled 'sensing the waves', the new building creates a ring around the site's existing structure, which has been completely preserved.
新的建筑名为“感应波”,在基地现有的结构中创建了一个环,现有结构被完整地保存。
A new servomotor sealing ring is developed, its structure and material are recommended specially.
研制一种新型接力器活塞环,重点介绍了活塞环的结构和材料。
Structure and principle, failure reason and harm of compressor floating ring seal, and measures which prevented the seal from failing are introduced.
叙述了离心压缩机浮环密封的结构、原理、浮环密封失效的原因和危害,以及防止密封失效应采取的措施。
A narrow linewidth single polarized all fiber ring laser has been fabricated. The structure and the technical parameters are presented.
研制出一种新颖的窄线宽、单偏振输出全光纤环形激光器,并给出了这种激光器的结构和技术性能参数。
In order not to make nickel ring up tank, outside groove diameter ratio inside groove is big, this on the structure solved the nickel ring grooving problem.
为了不使镍环起槽,外沟直径比内沟大,这在结构上解决了镍环起槽问题。
Basic structure of the centrifugal pump is composed of six parts, namely: impeller, pump, pump shaft, bearing, seal ring, stuffing box.
离心泵的基本构造是由六部分组成的,分别是:叶轮,泵体,泵轴,轴承,密封环,填料函。
Its molecular structure is made up of a five member, unsaturated lactone ring with two hydroxyl groups.
其分子结构是由五个成员国,不饱和内酯环两个羟基。
It gives the basis for the compressor ring valve structure modification and optimization design.
为压缩机环状阀的结构修改和优化设计提供了必要的基础。
With analysis of structure of cone roller bearing inner ring forgings, corresponding improvement on original forging technology has been put forward.
分析圆锥滚子轴承内圈锻件结构,对原锻造工艺中的不足提出了相应的工艺改进措施。
A research was made on the structure of piston ring and elastic force ring in oilless lubrication compressors.
对全无油压缩机上活塞环弹力环结构进行了研究。
The fundamental function of the electron structure of the ring skeleton and the influence of central atoms and substituents on gas-sensitivity is illustrated.
阐述了酞菁环的电子结构是其具有气敏性的基础,讨论了配合物中的中心原子和取代基团对配合物气敏性的影响。
Further more, the paper puts forward cost structure models of SDH ring and WDM ring and calculates the two rings'costs with varying ring size and traffic volume.
提出了SDH环和WDM环的成本构成模型,计算分析了在不同的环节点数量和不同的业务流量情况下二者的成本。
For gas lasers a helical resonator with coaxial ring discharge structure is proposed, and the theoretical analysis is given.
提出了一种适用于同轴环形放电结构气体激光器的环形螺旋谐振腔,并给出了理论分析。
The structure and properties of ring (position sensitive) gas filled detector were described.
本文介绍了环形(位置灵敏)充气探测器的结构及性能。
The rotor structure of claim 1, further comprising rotor head means including a ring bearing member for said rotor structure.
转子结构索赔1 ,进一步组成的转子头途径,包括一环轴承成员说,转子结构。
With the airbag internal capsule and continuous spring ring structure, grinding vibration is decreased and machining accuracy is improved.
采用气囊式内胎和连接式弹簧环结构减少磨削中振动影响,便于控制砂轮表面砂带的张紧力。
In order to analyze the problems and contradictions of green space system planning in Changchun, I suggest the urban green space system should adopt the layout structure of ring and radial.
剖析绿地系统规划中存在的问题和矛盾,提出城市绿地系统应该采用环网式的布局结构,使城市生态系统达到相对的稳定,使新建绿地与原有绿地能很好地衔接起来。
The structure of graphite Raschig ring was analyzed by SEM.
结合SEM对拉西环进行了结构分析。
Traditional mold structure removes the set ring work piece after molding machine used outside special hydraulic machine equipped with pull model kit.
传统的模具结构是采用模压成型后机外利用专用液压机装备拉开模套,取出集电环制件。
Research was conducted into the optimization design of stay ring structure of the bulb tubular turbine based on the analysis of finite element.
邢伟在有限元分析的基础上,对贯流式水轮机座环结构进行了优化设计研究。
Research was conducted into the optimization design of stay ring structure of the bulb tubular turbine based on the analysis of finite element.
邢伟在有限元分析的基础上,对贯流式水轮机座环结构进行了优化设计研究。
应用推荐