查询词典 Bi

ABSTRACT In this dissertation, the electrochemical performances of perovskite bi-functional oxygen electrodes are studied.

本论文以系统研究钙钛矿型双功能氧电极的电化学性能为工作目的。

With fault signals of vibration tested in practice, this paper takes frequency-domain half-power bandwidth Gauss wavelets of continuity, index wavelets decomposition and equivalent bandwidth equivalent sampling discrete bi-orthogonal wavelets decomposition as basis, presents scaling correlated analysis correspondingly toward wave making vibration signals, and accurately realizes to decompose different stress wave speeds, and provides a method of analysis and calculation for accurated location and recognition of the polygenetic faults.

根据上述故障力学模型，我们提出并设计了相应的测试系统，对实测的故障振动信号，以频域半功率带宽连续高斯小波、指数小波分解和等带宽等采样离散双正交小波分解为基础，提出了相应的对波致振动信号的尺度相关分析，准确地实现了分离不同的应力波速，为多源故障的精确定位识别提供了分析和计算方法。

The bi-harmonic equation of simply supported thin polygonic plates is decomposed into Poisson's equations.

简支多边形薄板双调和定解问题可分解为二个互不耦合的Poison方程的定解问题。

Since ancient times, because of "the Western Hills Moon Gap Cashing, in a Waterfall, folding the club out stones, beads Shanty Alliance, the group sails fisheries consistent, Puling project of Cheng Bi. Xiao reactor Green bun "mirage sea Sceneries famous internationally. 12 islands, the island to BAI most surprising rock scene in secret; Central Island most Fang, Yoo-Hoo was competing; Yokoyama most Island show, valuable towering, vertical sea irrigation Yam, from the early Ming Dynasty incense is an exuberant "small Putout."

自古就因&西山月色、峡口潮声、绝壁仙岩、叠垣列石、双屿珠联、群帆渔贯、蒲江澄碧、髻岫堆青&等蜃海八景而名闻遐尔。12座小岛中，以白石山岛最奇，岩石诡秘多姿；中央山岛最丰，花果争相呈艳；横山岛最秀，古木参天，灌荫垂海，从明代初年就是香火旺盛的&小普陀&。

Synthesis of racemic 1,1′-bi-2,2′-naphtholby catalytic oxidative coupling of 2-naphthol was reviewed.

综述了催化氧化偶联2-萘酚合成外消旋体1，1′-联二萘酚的方法。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The topological differences observed between the MP and BI analyses focused on the internal clades of Ranales and Rosales.

两种方法中，蜡梅科的单系都得到了确认，贵州蜡梅、山蜡梅和蜡梅聚成一组，分别得到了98％和82％的支持。

Our main result is for any immigration-emigration birth and death matrix random environment, q, with birth rateless than death rate, there are a unique q-process in random environment P9*(0;t and a bi-immigration birth and death process in random environment with random transition matrix P(9*{Q);t such that P9*(0;t is ergodic and X* is a strictly stationary process.

在这一部分，我们将经典的生灭过程理论推广到了随机环境下，证明了对任意给定随机环境移入-移出-生灭密度矩阵q，当生率小于死率时，存在一个唯一的随机环境下的q过程—θ~*(0；t和随机环境下的移入-移出-生灭过程，使得严平稳，遍历，其随机转移阵为？

Answer: BD 1 2. Refer to the exhi bi t. The access l i st has been confi gured on the S0/0 i nterface of router RTB i n the outbound di recti on. Whi ch two packets, i f routed to the i nterface, wi l l be deni ed? Choose two.

根据下图，该access l i st被配置在路由器RTB的S0/0接口上的OUT方向，哪两个数据包会被DENY，如果被路由到该接口上的话？

Looking into the future, as a school with 10 year experience, we'll adhere to our mission----'do everything for our children'. and our educational ideas equality, communication, respect', and reguard 'a stastainable development' as our goal by being creative, research and strengthening teaching staff, featuring a new bi-language teaching approach.

展望未来，作为一个有着十年教育事业的学校，我们将以&一切为了孩子&为办园宗旨，以&牵着手教育，抱起来交流，蹲下来讲话&为教育理念，以向着&可持续发展&的目标，开拓创新，搞科研，强师资，开创双语特色。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。