查询词典 nm.

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 measurement shows that 310.8 nm is the suitable wavelength for detection of trichloroethylene and 322.5 nm is the suitable wavelength for detection of tetrachloroethylene in this wavelength range.

研究表明，该波长范围内三氯乙烯的最佳检测波长为310.8 nm，四氯乙烯的最佳检测波长为322.5 nm。

Fluorescence spectra were measured at consecutive time points in an emission range of 439～550 nm for every sample when a constant 390 nm excitation wavelength was used, hence, creating a three-way response data array which was then analyzed by trilinear decomposition method.

设定激发波长为390 nm，在发射波长为439～550 nm的范围内测定一段时间内连续时间点的该动力学反应中间物的荧光光谱，构建三维响应数据阵，然后运用三线性分解算法进行解析。

The results show that as-prepared products are wurtzite hexagonal structure ZnO nanorings with the inner diameter of 220 nm and the wall thickness of nanoring of 70 nm.

结果表明，合成产物为六方Wurtzite型结构的ZnO纳米环，环内径约为220 nm，壁厚约为70 nm。

ZnO has wurtzite structure, and its lattice parameters are a=0.3249 nm and c=0.5206 nm.

ZnO具有六方纤锌矿结构，晶格常数a = 0.3249 nm， c = 0.5206 nm。

The pore width of the adsorbent among 1 nm���2 nm is over 90%.

发现吸附剂微孔含量在90%以上并且主要集中于1 nm～2 nm之间，是富含纳米孔的吸附材料。

The results showed that the average particle size of the material was 103 nm, with 70% less than 100 nm. The particles exhibited a bursiform structure.

结果表明：整理剂的平均粒径为103 nm，小于100 nm的颗粒约占70%，呈类囊式结构。

The average particle size of PLA nanocapsules obtained was decreased to (181.5±8.4) nm, and capably adjusted from 180 to 370 nm by using different types and content of nonionic emulsifiers.

得到的聚乳酸纳米胶囊的平均粒径降低到181.5±8.4 nm，并且可以通过使用不同种类和用量的非离子乳化剂对粒径在180到370 nm之间进行调节。

In the buffer solution of HAc-NaAc at pH 3.5, Cr reacts with chrysin by molar ratio 1:3, and forms a highly fluorescent active complex in the presence of some methanol. The maximum excitation and emission wavelengths of the complex are 260 nm and 429 nm respectively.

在含一定量甲醇的pH=3.5的HAc-NaAc缓冲溶液中，铬与白杨素能形成1：3的二元荧光配合物，其最大激发波长和发射波长分别为260 nm和429 nm。

Photoluminescence spectra show that the emission peaks of compound 3 and 4 are at 612 nm and 630 nm, chrysoidine and red-emitting light, respectively.

光致发光光谱测试结果表明，化合物3的发光峰值为612 nm，橘红色光；化合物4的发光峰值为630 nm，发红色光。

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