查询词典 nm.

The results indicate that the average diameter of ZnO nanorod is about 21 nm, and the size distribution is about 18～25 nm. The nanorods, growing along [001] direction, are perpendicularly oriented to the substrate.

测试结果表明， ZnO纳米棒阵列的平均直径为21 nm，粒径分布窄，约18～25 nm，择优生长取向为[001]方向，垂直于基底生长。

Persistent photoconductivity and recombination mechanism were investigated in an intrinsic GaN at room temperature with incident photon wavelength from 360 nm to 377 nm.

通过对室温下的本征氮化镓材料进行不同波长(360 nm～377 nm)的光照，分析了本征氮化镓中的持续光电导及其复合机制。

Thin polymer films showed the UV-vis absorption from 361 to 405 nm and photoluminescence from 500 to 540 nm.

高分子薄膜之紫外-可见光吸收峰范围从361至405 nm，萤光放射峰范围从500至540 nm。

A unique 946 nm and 473 nm single-frequency non-planar ring cavity constituted of a thermally bonded Porro prism and a corner cube is proposed .

提出并实现了由热键合直角棱镜与角锥棱镜构成的新型946 nm及473 nm单频非平面环形激光器。

The content of the composition of polysaccharides was determined by anthranone-sulfuric acid method. Result There was no absorption at 240 nm and 260 nm. The IR spectrum graph of the polysaccharides was similar to Polygonatum odoratum, Radix Ranunculi Ternati and Agrimonia pilosa Ledeb.

结果 该有效多糖组分在240 nm和260 nm处无吸收，其红外光谱图与组方药玉竹、猫爪草和仙鹤草的红外光谱图有很大的相似性，周氏克金岩方中该多糖组分含量为1.41%。

By means of time-resolved laser-induced fluorescence spectroscopic technique, two samples of Er3+∶YAG with 10.5% and 8.4% concentrations were resonantly excited with ultraviolet lasers at 262 nm and 276 nm, and the fluorescence spectra were recorded and the peak transitions were assigned in detail.

利用时间分辨激光诱导荧光光谱技术，用262 nm和276 nm紫外激光对原子数分数为x(Er3+)=10.5%和x(Er3+)=8.4%两种情况下Er3+∶YAG晶体的4D5/2和2H9/2能级分别共振激发，记录了每种情况下的荧光发射谱，对其中所有荧光谱峰对应的能级跃迁做了详细标定。

The fluorescence spectrums of normal and diabetic urine were collected from 510 nm to 620 nm , the second derivative spectrums were used to process data.

在510 nm～620 nm范围内采集健康人和糖尿病患者尿样的荧光光谱，利用求二阶导数光谱的方法进行数据处理。

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 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 negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷