现代的航空引擎的工作温度在2000摄氏度左右,Stipp博士说,悬浮的火山灰中玻璃状颗粒在800摄氏度时就开始软化。
Modern aircraft engines operate at temperatures of around 2, 000C. Dr Stipp says the glassy particles in the ash cloud start to soften at about 800C.
云层中的水滴悬浮在空气中或者接近地表,使能见度变低(严格地说,使能见度变得不足1千米)。
A thick cloud of water droplets suspended in the atmosphere at or near the earth's surface that obscures or restricts visibility (strictly, reducing visibility to below 1 km).
他在洋基球场进行了磁悬浮棒球棍到55,000人出席,周围360度。
He performed a baseball bat levitation in Yankee Stadium to 55,000 people in attendance, surrounded 360 degrees.
其核心部件是TI公司的TMS320LF2407A,设计了五自由度磁悬浮主轴系统的硬件总体框图。
The graphic of five free of freedom AMB based on TMS320LF2407A is designed and TMS320LF2407 of TI company is the core part.
控制算法采用改进的积分分离pid算法,实现了单自由度磁轴承的稳定悬浮。
Improved integration detach PID algorithm is adopted. One freedom magnetic bearing is stably suspended.
以丙烯酸酯为单体,二乙烯基苯为交联剂,采用悬浮聚合法合成低交联度的聚丙烯酸酯类吸油树脂。
The acrylate oil absorbing resin were synthesised by means of suspension polymerization and using divinylbenzene as crosslinking agent.
研究了各种影响悬浮法PV C树脂白度指标的因素,并有针对性地提出了提高树脂产品白度的各种措施和对策。
This article study all kinds of element affect the whiteness of PVC resin by suspension method, and aimed to put forward some measures to increase the whiteness of the resin product.
精选陶瓷专用水洗高岭土系列产品白度高、细度好、悬浮性好,广泛用于陶瓷制釉行业。
The product of high degree of whiteness, fineness and suspension of the special ceramic water kaolin series are widely used in the ceramic glaze industry.
按此滴度感染悬浮培养的昆虫细胞,收获、纯化VLP并鉴定其特异性;
With this titer infected the suspensively cultured insect cells, harvested and purified VLP and identified its specificity.
长等级纤维的叩解度高于短纤维,悬浮液粘度也高于短纤维。
Long grade brucite fibers have a higher beating degree and denser viscosity than the short ones.
丙烯酸钠共聚反相悬浮体系稳定性、反应温度、丙烯酸中和度等对反应过程的影响进行了研究,研究表明:通过悬浮剂的复配可建立稳定的悬浮体系;
The stability of copolymerization of acrylic acid acrylate by inverse suspension, the effects of reactive temperature and acrylic acid neutralization on copolymerization were studied in this article.
本文中提出一种结构新颖的主动磁力轴承,实现五自由度的全悬浮。
This article proposes a novel structure of the active magnetic bearings to achieve the five degrees of freedom full suspension.
本文以单自由度的磁悬浮球系统为模型,对磁悬浮球系统的稳定性做了深入研究,并给出了数字控制器的解决方案。
In this paper, SDOF magnetic levitation system was established as a model, the stability of the magnetic levitation ball system.
本文对单自由度磁悬浮球系统进行分析后,建立其数学模型,确定控制器方案并设计了PID控制器。
After the analysis of single degree-of-freedom magnetic suspension ball system, its system mathematical model was established, and its PID controller was designed.
利用玻璃包熔真空悬浮熔炼等手段研究低碳钢的纯净度、过冷度与晶粒度之间的关系研究表明:随着包熔次数增加,钢中夹杂物含量减少,纯净度提高。
The relationships of cleanness, undercooling and grain size of low carbon steel have been investigated by using of vacuum glass encasement levitation melting.
研究表明,建成初期和运转一年后,室内的悬浮粒子和沉降菌指标均达到洁净度国家标准7级。
The cleanliness classification can be up to grade 7 at the beginning and a year running.
以五自由度的磁悬浮转台为研究对象,介绍了磁悬浮转台的硬件电路组成。
To the five-degree freedom magnetic floating table, the new type-floating table based on the theory of the five-degree freedom magnetic floating bearing is discussed.
阴霾悬浮在空中,使可见度降低。
This gray haze is hanging in the air, making things hard to see.
摘要无轴承薄片电机是一种新型的集旋转与悬浮于一体的机构,集成度高。
Abstract The bearingless slice motors is a new high-integrated device which combines suspension function and rotation function.
本文在分析电磁轴承工作原理的基础上,建立了五自由度磁轴承转子的力学模型,并结合一套磁悬浮实验台的结构参数,得到了该实验台转子的力学模型。
The thesis educed the mechanics model of five-degree freedom rotor of magnetic bearing based on the analysis of the operation principle of amb.
本文在分析单自由度磁悬浮轴承的基础上,建立了磁悬浮轴承的简化数学模型,导出了控制系统模型。
In this article, the reasonable mathematic model was built up based on the study of the single freedom magnetic bearings, and the model of the control system was given too.
本文以单自由度的磁悬浮球系统为模型,对磁悬浮球系统的稳定性做了深入研究,并给出了数字控制器的解决方案。
This paper introduces the composing of magnetic levitation ball system, the design of controller and the implementation of hardware and software.
岩石中的石英砂分选好,圆度和球度高,它们时稀时密地呈“悬浮”状散布在白云石砂屑沉积物中。
All sand grains are quartz sands. Sorting and roundness and sphericity of particles are in good grade-level. Quartz sands are scattered in microcrystalline dolomitic sands in floating state.
本文在分析了主动磁悬浮轴承(amb)系统模型的基础上,建立了单自由度、五自由度amb的力学模型。
Based on the analysis of the AMB system, the one free-degree and five free-degree dynamic model is established.
针对磁悬浮轴承位移检测的特点,设计了一套以dsp为核心的五自由度位移测量系统。
Aiming at the characteristics of displacement measuring for active magnetic Bearings (AMB), designs a set five degree-of-freedom (5-dof) measuring system based on DSP.
针对磁悬浮轴承位移检测的特点,设计了一套以dsp为核心的五自由度位移测量系统。
Aiming at the characteristics of displacement measuring for active magnetic Bearings (AMB), designs a set five degree-of-freedom (5-dof) measuring system based on DSP.
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