查询词典 NM

The XRD analysis revealed that the relative pure nickel metal products with an average size of 12.6 nm could be obtained using PVA as surfactant, a mixture of nickel and nickel sesquioxide products with an average size of 25 nm was obtained using DTAB as surfactant.

结果表明：以PVA作表面活性剂得到相对纯的纳米镍粉，平均粒径约为12.6nm；而以DTAB为表面活性剂得到镍和三氧化二镍的混合物，平均粒径约为25nm；采用PVA为表面活性剂在产品的纯度和粒度上都优于DTAB。

The re-laxed circular pUC18 DNA also takes solenoidal structure with outside diameter about 53.1 nm and inside diameter about 17.2 nm in the same system.

在相同亲水介质中松弛型pUC18 DNA采取典型的螺线管型结构，其单体平均外直径约为53.1 nm，内直径约为17.2 nm。

The results obtained by electron microscopic observation show that the supercoiled pUC18 DNA adopts a doughnut-like solenoidal structure with outside diameter about 43.8 nm and inside diameter about 2.0 nm in ammonium acetate-H2O medium.

观察结果显示：在疏水性的甲酰胺-水展开系统中，DNA采取通常的互缠式结构；在含有1.5 mmol/L醋酸铵的水介质中制备的超螺旋DNA标本，DNA采取线圈型结构，测得pUC18 DNA分子这种结构的外直径约为43.8 nm，内直径约为2 nm。

The regime of nanoparticle is from 1 nm to almost 100 nm, falls between the classic fields of chemistry and solid-state physics.

纳米粒子的粒径在1～100nm之间，处于原子簇与宏观物体交界的过渡状态，其结构即不同于体块材料，也不同于单个的原子，具有一些新异的物理化学特性，从而产生一些优越于传统材料的特殊性能。

The LIBS system was mainly made up of a pulsed Nd: YAG laser with an operating wavelength of 1064 nm, a sample stage and a miniature spectrometer with a spectral resolution of 0.1 nm. LIBS signals collected by the spectrometer were spectrally resolved and processed by a computer.

由波长为1064 nm的Nd： YAG脉冲激光器，样品台和分辨率为0.1 nm的微光谱仪等器件组成一个小型激光诱导击穿光谱实验系统，通过计算机对光谱仪采集到的数据进行分析和处理。

In the range of pH 5 10 5, SSA gives a strong and steady fluorescence with a maximum emission wavelength at 402 nm and excitation wavelengths at 212, 238 and 297 nm, respectively.

在近中性条件下，SSA稀溶液的荧光强度与浓度之间存在良好的线性关系，线性范围为 5～ 2 5 0ng·mL- 1 ，检测下限为 5ng·mL- 1 。

The maximal absorption wavelength of chromium with the DPC colored complex and internal standard is 540 nm and 440 nm, respectively.

铬与DPC显色铬合物和内标物的最大吸收波长分别为540nm和440nm，校正后的ACr440值与Cr含量之间呈良好的线性关系，相关系数为0.9997。

Complexes 1 and 3 both exhibit photoluminescent emissions at 415 nm λ(subscript ex=313 nm.

配合物1和3的荧光光谱均在415mn处出现较强的发射峰。

The extent of inhibition of depolarization by superfusion of ethanol for 5 minutes was 41.8±3.3 ％(n=17). The addition of 5 nM and 20 nM KT5720 (a selective protein kinase A inhibitor) and 250 μM H9 dihydrochloride (a non-selective protein kinase inhibitor), into the intracellular solution significantly attenuated the inhibitory effects of ethanol.

当分别将5 nM或20 nM KT5720（选择性蛋白质激酶A抑制剂）或250 μM H9 dihydrochoride（非选择性蛋白质激酶抑制剂）置入细胞内液时，乙醇的抑制作用明显被减弱；但乙醇的抑制作用不受到5 nM或20 nM calyculin A（磷酸酶1/2A抑制剂）的影响。

The smaller ones are ca 70 nm wide and join the tectum and the larger columellae. These larger ones appear to be composed of several 70 nm in width rods. They join the distal surface of the foot layer. The proximal surface of the foot layer is marked by a white line (referred to as a junction plane) where it joins the endexine.

柱层中有种大小同的柱体，较小的宽约70 nm接盖顶层和较大的柱体，而较大的柱体是由多个宽70 nm的棒物所组成的，它们会和基层末端相，而基层顶端表面有著明显分布的白线特徵，就好像是它与外壁内层的接合面。

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 article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。