查询词典 m.

The selection of materials,design and deposition of double waveband (3～5μm and 8～12μm) infrared antireflection on Ge substrate by ion beam assisted deposition are reported.

文中简要叙述了双波段(3～5μm和8～12μm)红外增透膜的膜料选择以及锗基底上红外双波段增透膜的设计与镀制，介绍了离子束辅助沉积技术制备该薄膜的过程。

The results show that the decomposition rate of ammonium jarosite can reach 98.03% under the following optimum conditions, which are m m=0.381 41, temperature 60 ℃, liquid-solid ratio 21, reaction time 2 h. During the alkaline decomposition, the impurity elements, such as Zn, In, Cu, Cd, Pb, Sb, Sn and Ag are left in the residue, while As is leached into the pregnant solution as AsO43 with leaching rate of 83.36%.

结果表明：在 m m=0.381 41、温度60 ℃、液固比21、反应时间2 h的最优条件下，铁矾渣的分解率达到98.03%，而原料中的杂质金属，如Sn、Sb、Zn、In、Cu、Cd、Pb和Ag等绝大部分留在分解渣中，As则以AsO43的形态大部分进入溶液，浸出率达到83.36%。

The formulae of M/M/k queuing theory was used to test this simulation model and the outcomes coincide well between the two.

我们还用M/M/k排队理论公式对仿真模型进行了检验，结果二者吻合良好。

When surface pressures are lower than the turnover(5～30mN/m),intermolecularhydrogen bonds were formed with keto form and phase transition was higher ca.60℃;most of SBC18 formed intramolecular hydrogen bonds companied withzwitterion form and phase transition was lower ca.48℃ while at surface pressurehigher than the turnover(≥45mN/m),which is caused by the different interchaininteraction arising from various hydrogen bonds for SBC18 LB film deposited atdifferent surface pressures.

低于相应π-A等温线转折(5～30mN/m)时，以分子间氢键为主，头基主要以醌式构型存在，相变温度较高(≈60℃)；高于转折(≥40mN/m)时，以分子内氢键为主，头基主要以双性离子构型存在，相变温度较低(≈48℃)。

The kinetic theory based two-fluid model was used to simulate 2-dimensional fluidized beds with the width of 0.2 m, 0.4 m and 0.8 m,respectively, covering regimes from bubbling to turbulent fluidization.

应用基于颗粒动理学的双流体模型系统地对床宽分别为0.2、0.4、0.8 m的二维流化床在鼓泡区和湍动区的气固两相流动行为进行数值模拟。

Firstly, we prove a proposition : the leading coefficient regarded as a polynomial in q~n, q~(1/2 of the recurrence is not equal to zero for all n ≥ [m/2] + 1, where m is the degree in q~(1/2) of the leading coefficient.

首先，我们证明了一个命题：迭代关系的首项系数关于q~n，q~(1/2的多项式对所有的n≥1[m/2]+1均不为零，其中m为首项系数中q~(1/2)的次数。

In this paper, after analyzing the character of the service of network instant communication system, we established a m/m/c/∞/∞ queuing system model and got the function targets such as length of queue up and waiting time.

本文通过对网络实时沟通服务系统的服务的分析，建立了m/m/c/∞/∞排队系统的模型，并由此分析得到排队队长和等待时间等系统运行指标，最后确定出合理的客服数量，实现系统服务质量和效率的平衡。

The length of the solar light pipe is 0.55 m with a diameter of 0.28 m.

导光管的长度为0.55 m，直径为0.28 m，导光管内表面的平均反射比为0.82。

It was pointed out that even if for m ≥ 3, the existence of C~m solutions of the linear iterative functional equation F -= 0 is a difficult and very interesting problem.

有关文献指出，当m≥3时，即使是线性型的迭代函数方程F-∑_(k=1)~nλ_kf~k=0的C~m解的存在性也是一个困难而很有意思的问题。

A linear map f: M���M is said to preserve idempotence if fP(subscript nP.

若线性映射f： M→M满足fP(下标 nP，则称f是保幂等的线性映射。

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％。