可循环的

Since any n x n doubly stochastic circulant matrix has a unique representation as a polynomial of degree n - 1 in the shift operator wn, the classification problem of primes in the doubly stochastic circulant matrices can be reduced to the solution of an equation over a doubly stochastic circulant matrix.

由于任一n阶双随机循环矩阵都可以唯一地表示为移位的n-1次一元多项式，从而可把双随机循环矩阵中素元的分类问题简化为解双随机循环矩阵上的一个方程。

Since any n×n doubly stochastic circulant matrix has a unique representation as a polynomial of degree n-1 in the shift operatorω_n,the classification problem of primes in the doubly stochastic circulant matrices can be reduced to the solution of an equation over a doubly stochastic circulant matrix.

由于任一n阶双随机循环矩阵都可以唯一地表示为移位的n-1次一元多项式，从而可把双随机循环矩阵中素元的分类问题简化为解双随机循环矩阵上的一个方程。

All kinds of resources in Tongchuan,such as natural resources,economic resources,culture resources and historic resources,should be involved in the field of cyclic economy,the mode of cyclic economy should be infused into the whole plan of the city,and the sustainable development must be taken as a long-term project in order to construct an balanced field of circular economy.

将铜川市的各种资源——自然资源、经济资源、文化资源、历史资源等全面纳入循环经济场，将循环经济模式融入城市发展的整体规划之中，将可持续发展作为城市发展的长期目标，进而综合平衡建构一种以循环为核心内涵的场态经济体。

Under the circumstance of satisfying the two necessary conditions of late-developing advantages, the potential advantage can be transformed into the motive force of development to propel the society forward and reduce the development gap between the early-developing countries. The process is a closed circle of damped oscillation. It can only turn into increasing oscillation circle with the consistent innovation and breakthrough so that the backward countries can exceed the early-developing countries.

潜在的后发优势在满足后发优势发挥作用的两个必要条件的情况下可转变为发展动力，推动社会向前发展，缩小与先发国家之间的发展差距，这一个过程是一个减幅振荡的闭路循环，只有在引进、消化的基础上不断创新、突破，才能打破单纯由后发优势导致的减幅振荡闭路循环，进入增幅振荡循环，后发国家才有可能超过先发国家。

Results show that the best value of w is 7~10% and 5~7%, i is 0.08~0.2 A/cm^2 and 0.03~0.05 A/cm^2 respectively, during the electrolysis fluorination of pyridine and tributylamine; the addition of N-butyl mercaptan into the organic mixture can stabilize electrolysis process with its mass fraction 15~20% at best; impulse current polarization work status of low load is helpful to the electrolysis process and reduces corrosion rate of anode; electrolysis temperature is suitable at 0~20℃; electrobath can use electrolyte inner circulation structure, exterior circulation structure or blending structure.

结果表明：吡啶和N-三丁胺电解氟化的最佳值w分别为7%~10%和5%~7%，i分别为0.08~0.2A/平方公分和0.03~0.05A/平方公分；有机混合物中添加N-丁基硫醇可稳定电解过程，其质量分数最佳为15%~20%；采用低负荷的脉冲电流极化工况有利电解过程，降低阳极的腐蚀速度；电解温度0~20℃为宜；电解槽可采用电解液内循环、外循环结构，或其混合结构。

In this thesis, the studies as follows:(1) The axis and radial flow field distribution of CFB were analyzed by the particle flow visualization software, and the criterion of turbulence to circulation fluidization situation was reported.

本文以管式布风条件下流化床内流动特征为研究对象，主要研究内容如下：(1)通过开发的颗粒流场可视化软件，对循环流化床内轴径向的流场进行了分析。在循环流化床试验台上分段测量了全场颗粒矢量速度，得到了循环床上升段内的整个流场分布。

The environmental laboratory has 1,110 m 2 , in the possession of 20 advanced test equipments that both from China and other countries such as USA , France , Italy , Japan , etc. The speed of decreasing temperature could reach 15 ℃/min, the raising speed of temperature could reach 30 ℃/min and be capable of adjustment continuously. 29 m 3 test box could test temperature, temperature and humidity for large electrician and electronic equipment. The speed of raising temperature could reach 6 ℃/min at best. Vibration test equipment include slipway, it could carry through three axis vibration, and the minimum thrust force is 5 tons.

环境实验室建筑面积 1100 平方米，拥有从美国、法国、意大利、日本等国家引进的国外及国产先进试验测试设备 20 台，降温速度最高可达到 15 ℃/min ，升温速度可达 30 ℃/min且连续可调； 29 立方试验箱能对大型电工电子设备进行温度、温度循环及湿度试验，升温速度最高可达 6 ℃/min ；振动试验设备有滑台，可进行三轴向振动，最大推力可达 5 吨。

Support MP3,WMA,WAV,ASF audio formatsPower-off memory, can set sleep mode and energy saving mode for your convenient use 7 EQ modes of normal, rock, pop, classic, soft, jazz and DBBU-disk, build-on USB, disk management functionSupport multi-playing modes such as normal mode, single song repeat, song list repeat, all songs repeat, random playing, browse playing7-color splendid backlight, one AAA alkali batteryRecord/repeat function, can record via microphone and save as WAV and ACT audio files, can make choice between segment repeat and contrast repeat, realizing real digital repeat functionSupport 16 languages operational menu, displaying title and lyricFirmware upgradeable, provide download service of the latest upgrade software on our homepageMulti optional music effect equalizer, FM tuner radio receiverDimension:98X31X23mm

支持MP3，WMA，WAV，ASF音频格式定时关机，可以设定睡眠模式和省电模式，使你使用起来倍感方便自然、摇滚、流行、古典、柔和、爵士、重低音7种音色均衡器U盘功能，自带USB功能，磁盘管理功能支持普通模式、单曲循环、目录播放、全部循环、随机播放、浏览播放等多种播放模式七色背景光，绚丽夺目，一节七号AAA碱性电池录音/复读或对比功能，可通过麦克风录音并保存为WAV和ACT格式的语音文档，可选择片段或对比复读，实现真正的数码复读功能支持16国语言操作菜单，显示歌名、固件升级功能，在网站上提供最新的升级软件下载，实现本机的功能扩展多种音效均衡选择，FM调频收音机规格：98X31X23mm

Based on the present situation of the auto industry development in China, this paper analyses the ?resources and environmental problems in the booming auto industry with the circular economy theory. The paper holds that the development of Chinese auto industry should be under the direction of the circular economy theory and puts forward the circulative model of the auto industry and the sustainable development measures.?

根据我国汽车产业的发展现状、面临的资源和环境问题，本文运用循环经济理论对我国飞速发展的汽车产业中存在的资源与环境问题，进行了分析讨论，认为汽车产业经济的发展应以循环经济作为发展方向，并提出了以循环经济理论为指导的汽车产业的循环模式和可持续发展的应对措施。？

The laboratory based closed cycle diesel test rig was built based on the previous CO_2 experimental research.

在前期CO2 实验研究的基础上，完成了闭式循环柴油机氧气配比、开闭式转换和可视化状态监控系统的设计与实现，在实验室中建立了闭式循环柴油机及其监控系统实验台架，并成功实现了柴油机的闭式循环。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。