1、

A linear relationship between the current signal and the logarithm of the target concentration up to 500 nM was obtained, with a detection limit of 0.3 nM.

而且,在一定范围内,电流信号与目标物浓度的对数呈线性关系,目标物浓度可达500nM,检测下限为0.3nM。

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2、

In the near infrared region ( 780 nm~ 2500 nm) the average transmittance of 16.2% satisfies the technical requirements of glass wall in domestic architecture.

在近红外区(780nm~2500nm)的平均透射率为16.2%,可以满足建筑物幕墙玻璃等低辐射膜的要求。

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3、

UV absorption peak of the test solution was determined at 266 nm.

试液的紫外吸收测定波长为266nm。

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4、

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310.8nm,四氯乙烯的最佳检测波长为322.5nm。

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5、

Nanometer silica ( average particle size 60~ 100 nm) has been prepared by hydrolysis and condensation of tetraethyl orthosilicate, and then incorporated with proper amount of surfactant, cetyltrimethyl ammonium bromide ( CTAB).

通过原硅酸四乙酯的水解和缩合,并加入适量的表面活性剂十六烷基三甲基溴化铵(CTAB),制得了纳米二氧化硅(平均粒径60~100nm)。

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6、

The obtained thin film was formed by tin oxide grains with a tetragonal rutile structure, and the average particle size was 25.9 nm.

所得薄膜由平均粒径为25.9nm的具有四方相金红石结构的二氧化锡晶粒组成。

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7、
8、

Multiphoton Ionization and Dissociation of Tetramethylsilane at 410~ 373 nm Laser Radiation

410~373nm激光作用下四甲基硅的多光子电离与解离

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9、

Multiphoton ionization ( MPI) mass spectra distributions of tetramethylsilane in gaseous phase are investigated using a quadrupole mass spectrometer and a pulsed molecular beam at 355 nm laser radiation.

在355nm的激光作用下,利用扩散分子束技术和四极质谱装置相结合研究了气相Si(CH3)4分子多光子电离(MPI)质谱分布。

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10、

The base separation of pentaerithrityl tetranitrate related substances was accomplished on Shim-pack VP-ODS column. Methanol-H_2O ( 70 ∶ 30, V/ V) was used as the mobile phase, It was detected by a diode array detector at 206 nm.

采用ODS色谱柱,甲醇/水(70∶30)为流动相,使戊四硝酯与有关物质基线分离,二极管阵列检测器检测波长206nm。

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11、

Making the image of NM element in array into a set of blocks made of many non-overlapping regions.

将NM像元素阵列的图象转换成许多个互相不重叠的区域组成的块的集合。

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13、

Results of XRD, TEM, and UV/ vis spectra show that there are in-site anatase crystals contained in the sol, which are 150 nm-width squares. Thus the powders drying the sol at room temperature show an anatase pattern, without any further heat treatment.

通过XRD、TEM和UV/vis测试得知,溶胶中含有原位自生长的、边长约150nm的正方形锐钛矿晶体,所以溶胶在常温下干燥后所得粉体,无需高温热处理即为锐钛矿晶型;

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14、

The normalized optical path difference sensitivity of the low temperature section is 271.162nm/(℃? cm), it is slightly smaller than the normalized optical path difference sensitivity high temperature section. And it has good linearity and repeatability. 3.

低温段的归一化光程差灵敏度为271.162nm/(℃?cm),较高温段的归一化的光程差温度灵敏度略小,且具有良好的线性和重复性。

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15、

And its temperature sensitivity is more than 5.2 nm/ ℃.

其温度灵敏度超过5.2nm/℃。

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16、

The maximal UV absorption is at 280 nm, and the N terminal amino acid analysis shows that the first 19 amino acids sequence is the same as the theoretic prediction.

其N端19个氨基酸分析与预期序列一致,紫外最大吸收光谱位于280nm,氨基酸的组成与预期结果一致,内毒素含量低于部颁标准。

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17、

The computer terminal emulation technology enhances network management ability and expands the scope of NM.

计算机终端仿真技术可以增强网络管理的能力,扩大网管的范围。

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18、

Fluorescent ternary diagram and synchronous fluorescence spectrum can properly indicate the direction of the micro migration: from deep strata to surface, R 320 increases,λ 360 nm decreases and every wave band possesses positive gradient with the exception of λ 430 nm

荧光光谱三元图和同步荧光图谱能较好地指示微运移的方向:自深层到地表,λ320nm增加,λ360nm减小;除λ430nm外,各波段均具正向梯度

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19、

Meanwhile, it possesses the onshore Es 3 and Es 1 as well as the offshore Nm and Ng regional seal rocks.

同时具备陆上的Es3和Es1以及海上的Ng和Nm等多套区域盖层。

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20、

A method is described of preparing a-Fe thin film absorber samples by electron beam bombardment in a vacuum chamber. The film is about ≤ 50 nm thick, silverly-white and bright, and uniform.

在真空室用电子束轰击加热蒸发的方法,研制成功表面呈银白色且光亮的≤50nm厚的α-Fe薄膜(吸收体)样品。

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