查询词典 absorption coefficient

Comparisons between the experimental and computational IR spectra clarify the difference of the open- and closed-ring isomers, which indicate that it is possible to identify the tautomeric form of this diarylethene derivative using a highly selective infrared absorption band and the strong absorption at 1 705 cm-1 of the ring-closed isomer can be used in non-destructive readout by IR light.

通过红外吸收光谱表征了该光致变色二芳基乙烯衍生物在溶液中开、关环前后结构的变化，并采用理论化学计算方法研究了该化合物开、关环异构体的红外吸收振动特性。光致变色异构化过程可以通过红外吸收光谱的变化而识别。关环异构体在1 705 cm

We have theoretically studied on the geometrical structure, electronic structure, one-photon absorption and two-photon absorption properties of perylene tetracarboxylic derivatives by using DFT and ZINDO methods.

用密度泛涵方法和ZINDO方法，从理论上研究了一系列四羧酸二萘嵌苯的衍生物。对其平衡几何、电子结构和单双光子吸收性质进行了详细的计算研究。

The effect of cruciform structure on the two photon absorption action cross-section of fluorescence chromophore was reported. 1,4-Di(9'-ethyl-carbazolyl)-3'-vinylbenzene (R1) is a classic two photon absorption chromophore with D-π-D structure.

报道了十字形结构对荧光生色团的双光子吸收作用横截面积的影响。1，4-二（9'-乙基咔唑基）－3'-乙烯基苯(R1)是经典的具有D-π-D结构的TPA生色团。

The essence of ink absorption is the paper in the business card printing and membership card making ink absorption and attachment of comprehensive reflect not only the paper surface properties, porosity, compressibility, absorbent, and so on, and the composition of the innovativeink, bloodrheologyand, xerotic, and other relevant and business card printing and membership card modes, cards and membership cards to make the time pressure and nano-imprint lithography.

吸不朱性的本色是纸张在制卡和会员卡制作历程洋不差油不朱的汲取和附着的归纳反响，不仅与纸张的黑不天本能机能、孔隙率、可压缩性、吸附性等有关，还与油不朱的组不败身分、流变性和潮湿性等有关，也与制卡和会员卡制作方法、制卡和会员卡制作不压辛和压印工夫等有关。

The binding of bis-ANS bound to blue membrane at different temperature are only one binding sites. 4. The research results of fluorescence, absorption spectra and stopped flow method used to track the process of transition from acidifying purple membrane to blue membrane indicate that the transition of the characteristic absorption band of retinal(from 570 to 605 nm) and the maximum excitation wavelengths of bacteriorhodopsin(from 326 to 331 nm) occurres at a narrow concentration range of HCl(11.5-13.3 mmol/L). The transition process performs within 0 to 2s.

通过荧光光谱、吸收光谱和停流技术对酸化紫膜转变成蓝膜变化过程的跟踪研究表明，视黄醛特征峰的递变(570→605nm)以及蛋白质荧光最大发射波长的递变(326→331nm)都是在狭窄的HCl浓度范围(11.5-13.3mmol／L)内同步进行的，该转变过程在0-2s之内极快完成。

Furthermore, the theory about denitrifying by oxidation in gas phase and absorption in liquid phase and desulfurizing by absorption and oxidation in liquid phase is deduced.

理论表明，放电等离子体对SO2 的去除有一定作用，但主要取决于水的吸收；NO的去除主要归于发生在气相的氧化反应，水的存在起到了吸收氧化产物的作用。

objectiveto develop an accurate, sensitive and reliable hplc method for puerarin, and to study the absorption characteristics of puerarin in different intestinal sections and the influence of p-glycoprotein on the absorption rate.methodsrat everted gut sac was used.

目的建立准确、灵敏、可靠的葛根素高效液相色谱测定方法，研究葛根素是否存在分肠段吸收的差异并考察肠上皮组织上的p-糖蛋白（p-glycoprotein）对葛根素吸收的影响。

This experiment was carried out to provide reference for reasonable selection of pH and phosphate levels when phosphorus absorption experiment in vitro with Chicken small intestine by investigate the effects of phosphate levels and pH in culture medium on absorption of Pi by incubating everted intestinal sacs of broilers.

本研究主要探讨了培养液不同pH值和磷含量对鸡离体小肠磷吸收的影响，为体外培养鸡小肠合理选择培养液pH值和用外翻肠囊法评定饲料有效磷时合理选择培养液磷浓度提供参考依据。

This experiment was carried out to provide reference for reasonable selection of pH and phosphate levels when phosphorus absorption experiment in vitro with Chicken small intestine by investigate the effects of phosphate levels and pH in culture medium on absorption of Pi by incubating everted intestinal sacs of broilers.

探讨了培养液不同pH和磷含量对鸡离体小肠磷吸收的影响，为体外培养鸡小肠合理选择培养液pH和用外翻肠囊法评定饲料有效磷时合理选择培养液磷浓度提供参考依据。

After the heart fades the internal organs extravasated blood oxygen deficit,the intestines mucous membrane dropsy and the digestion absorption function reduces,causes the nutrients absorption to reduce,the liver extravasated blood is tumescent,the liver cell suffers injury,causes the protein synthesis to drop.

心衰后内脏淤血缺氧，肠黏膜水肿及消化吸收功能降低，使营养物质吸收减少，肝脏淤血肿大，肝细胞受损，使蛋白质合成下降。

I hope that this success is just the first in a long series.

我希望这只是成功的开始。

Three dimensional stresses on the interface of tire and soil, tire deflection and soil sinkage are measured.

测试轮胎——沙土界面上的三向应力、轮胎变形和沙土沉陷；建立考虑剪切应力对沙土承载特性产生影响的车轮牵引性能预测模型；分析车轮作用下土壤的纵向稳定性。