查询词典 M-B

Available in 3 degrees of filtration: 500 m, 300 m, 50 m

可用的三个过滤度：500 m， 300 m， 50 m

In order to investigate the existence conditions of the robust optimal state feedback of uncertain system, we have to study the problem of GARE, that is the solution existence of the following equation PA+A'P+Q-PMP=0, Q=Q', M=M' In chapter 2, using some preliminary results and properties of the Riccati differential equation, we have established the sufficient conditions for the GARE problem.

在讨论不确定性系统LQL方法的状态反馈解的存在性条件时，引出了第二章讨论一般代数Riccati方程解的存在性问题，对一般Riccati方程 PA+A'P+Q-PMP=0，Q=Q'，M=M'第二章中先列举讨论了Q、M为正、负定各种情况下的实对称解的存在条件，然后着重研究了M、Q不定的情形。

In this article, the existence and uniqueness of the generalized solution of this boundary value problem are discussed, the existence and convergence of Galerkin's approximate solution is proved, and Linear dependence of the the error bound on M~2/(1-M~2) is also proved, where M is Ma...

本文证明了这类方程弱解的存在和Galerkin逼近解的存在和收敛，并且还给出了有限元解的误差估计，指出误差界线性地依赖于M~2/(1—M~2)。M为马赫数。也就是说，当流速接近音速时，有限元解的误差将无法控制。

The dominant species of fungus are Penicillium, Cladosporium and Aspergillus, and size distribution ranges between 2.1 and 3.3 m. The dominant species of bacteria are Glucose-Non-Fermentation and Micrococcus, and size distribution of the bioaerosols are 0.65 to 1.1 m and 2.1~3.3 m respectively.

真菌的优势菌种为Penicillium， Cladosporium， Aspergillus，大多数粒径分布2.1~3.3 m之间；细菌的优势菌种为Glucose-Non-Fermentation， Micrococcus，大多数粒径分布在0.65~1.1 m及2.1~3.3 m之间。

Against the AN properties of easy decomposability and polymorphic form, some operation and safety countermeasures are presented in its mixing, granulation and drying; Also by the slow combustibility of compound fertilizer based on ammonium nitrate, muriate of potash and monoammonium phosphate, the 3 portions of 2:2:1, 1:3:2 and 2:1:1 [m:m(P2O5):m(K2O)] are safe formulae.

根据硝酸铵易分解，多晶型的特性，阐述配料，造粒，干燥中的控制要点及安全措施；并根据硝酸铵，氯化钾，磷酸一铵为基础的氮，磷，钾复肥的缓慢燃烧特性，提出m：m(P2O5)：m(K2O)=2：2：1，1：3：2，2：1：1 均属安全配料范围。

The observation showes that average VC, D,Δp and ω at the surface water during spring tide are 98.0μl/L, 39.8μm, 1173 kg/m^3 and 1.14 mm/s, whereas those during neap tide are 70.8 μl/L, 64.4μm, 919 kg/m^3 and 2.32 mm/s, respectively.

观测结果显示，徐六泾大、小潮表层絮凝体体积浓度、粒径、有效密度和静水沉速的平均值分别为98.0μl/L、39.8μm、1173kg/平方公尺、1.14mm/s和70.8μl/L、64.4μm、919kg/平方公尺，2.32mm/s。

The main results of the thesis are as follows: Theorem 1 M~is a locally symmetric Bochner-Kaehler manifold,Let M~n be a compact Kaehler submanifold with flat normal bundle in M~.

主要结果如下：定理1 M~是局部对称Bochner-Kaehler流形，设M~n是M~中法丛平坦的紧致Kaehler子流形。

For the characteristic of ring permanent magnet torque motor used in direct drive numerical control round table suffering from the effect of load disturbances and parameter variations, the H∞ controller design methodology without the orthogonality assumptions is combined with m-K iteration in m synthesis to design a m-H∞ speed controller in this paper.

针对直接驱动数控转台用环形永磁力矩电机易受负载扰动及参数变化影响的特点，将去除正交性假设的H∞控制器设计方法与m综合中的m-K迭代法相结合，设计了一个m-H∞速度控制器。

A new method of high aspect ratio and resolution zoneplate fabrication using both electron beam lithography and X ray lithography technology is described The zoneplate, composed of 10μm thick Au with 30 zones and outest zone width of 0 5μm, can be used as a focusing and chromatic dispersion device for 0 1～1nm harder X rays Results show that the zoneplate has contrast of 10 and above, resolution of 0 55μm, and focus length of 21 3cm for 8keV X ray

介绍了利用电子束和 X射线束双曝光技术制作大高宽比高分辨率的 X射线聚焦或色散元件的新方法(波长范围为 1～ 5 nm )。所制做的厚度为 10μm的 Au波带片具有 30个波带，最外环的宽度为 0 。5μm。实验表明：对 8ke V的 X射线来说，波带片的衬度大于 10 ，分辨率为 0 。5 5μm，焦距为 2 1.3cm。

Three photolithographic masks are utilized in the fabrication process.SEM images show that the microprobe is 1.2mm long,100μm wide,and 30μm thick,with recording sites spaced 200μm apart for good signal isolation.

在整个工艺制作过程中需要三步光刻，制作的硅针长1.2mm，宽100μm，厚30μm，同时各个记录点的间距为200μm，可以形成良好的信号隔离。

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％。