Vitamin D is necessary to aid the absorption of calcium from food.

The absorption coefficient of the films reaches 4.6×104 cm-1 and the band-gap is between 1.43 eV and 1.50 eV.

制备的CIGS多晶 薄膜在室温下的光学禁带宽度E_ g为1.43～1.50eV左右,光吸收系数达到4.6×10~4cm~( -1 ).

The sound absorption coefficient of the material was tested by standing wave tube method.

采用驻波管法测试材料的吸声系数.

Traditional Methods : To measure absorption coefficient are standing wave tube and reverberation which have some shortcomings.

传统的吸声系数测量方法主要有驻波管法和混响室法,而驻波管法和混响室法都存在着一些缺陷.

Determination of the content of Nifurstyrenate by percent absorption coefficient is a simple and acetate method.

应用分光光度法,以百分吸收系数测定尼复康的含量,方法简单、结果准确,是尼复康含量测定的理想方法.

The maximum absorption wavelength and the molar absorption coefficient of these compounds are determined.

测定了这些化合物的最大吸收波长及摩尔吸光系数.

Therefore, at sufficiently high energies the absorption coefficient begins to increase after passing through a minimum.

因此, 在足够高的能量下,吸收系数便由最小值开始增加.

The absorption coefficient is often strongly wavelength-dependent.

吸收系数往往与波长密切相关.

Rationale for Dermal Absorption Factor for Carbofuran Used in Risk Assessments.

用于风险评估的carbofuran皮肤吸收系数的基本原理.

Much has been done on absorption of sound in water fog.

关于水雾对声波的吸收作用,前人已做了大量的研究工作.

The electronic absorption Spectrum and ESR Spectrum of the crystalof title Compound [ Cu ( C _ 7 H _ 4 NO _ 3 S ) _ 2 ( H _ 2 O ) _ 4 ] ·2 H _ 2 O are measured.

术文报告了 [ Cu ( C_7H_4NO_3S ) _2 ( H_2O ) _4 ] ·2H_2O晶体的电子吸收光谱和ESR谱的测定结果.

The absorption spectrum of 3, 5-dinitrosalicylic acid reducing product with reducing sugar has been studied.

研究了还原糖对3, 5- 二硝基水杨酸的还原产物的吸收光谱.

The analysis of atom absorption spectrum apparatus has a good sensitivity and representation.

原子吸收光谱分析的适用性强,具有较好的灵敏度和重现性.

Its UV-Vis absorption spectrum, fluorescence spectrum and cyclic voltammetry were studied for photoelectric properties.

采用紫外 - 可见吸收光谱 、 荧光光谱和循环伏安法研究了该配合物的光电性能.

X-ray photoelectron spectroscopic ( XPS ) analysis and ultraviolet-visible ( UV ) absorption spectrum results also confirmed this idea.

并由 X 射线电子能谱 ( XPS ) 和紫外吸收光谱 ( UV ) 分析证实.

Spectrometer with dual light beams takes significant role in molecular absorption spectrum measurement.

双光束分光光度计在分子吸收光谱测量中起着十分重要的作用.

Atomic absorption spectrum determination shows that cadmium content of both deposits increases with the current density.

原子吸收分光光度法测定表明,直流电沉积和脉冲电沉积所得镀层镉含量均随电流的增加而增加.

Phenol and aniline complexed with 4-AAP to form a dye , its absorption spectrum overlapped greatly.

苯酚、苯胺与4-AAP络合后所形成的吸收光谱出现严重重叠.

The absorption spectrum by using CIS method of quantum chemistry calculation agrees with the experimental spectrum.

用量化计算中的CIS方法所得的吸收谱理论值与实验值吻合较好.

Erbium ion-doped tungstentellurite glass was fabricated and characterized by absorption spectrum and fluorescence spectrum.

研究了掺铒钨碲酸盐玻璃的吸收光谱和荧光光谱.

Atomic absorption spectrum is affected by many factors.

原子吸收光谱分析受多种因素影响.