RESULTS The UV spectra of the herbal drugs showed different maximum absorption peaks both in number and intensity. 结果秦艽与红秦艽的紫外谱线组图像、最大吸收峰数目及峰位值具有明显差异。
If the body feels the need, it may have the muscles of the intestine hold the food longer to achieve maximum absorption of its load. 如果身体觉得有必要,会让小肠附近的肌肉尽量延缓食物输送向大肠的速度,这样身体就可以最大程度的吸收食物中的营养。
The relationship between the wavelength of maximum absorption and structure was also explained. 解释了紫外光谱中的最大吸收波长与结构的关系。
METHOD Under alkaline condition, ephedrine and cupric sulfate chelated to form a blue purple compound, which a maximum absorption at601. 方法利用麻黄素在碱性条件下和硫酸铜生成蓝紫色络合物,并在601。
Heterocyclic of simple chemical modification can be achieved on the wavelength of maximum absorption material and emission wavelength of a wide range of adjustment. 对杂环简单的化学修饰,就可以实现对材料的最大吸收波长和发射波长大范围的调节。
A flow injection spectrometric method was developed for determination of formaldehyde in leather wastewater. The method was based on the combination of chromotropic acid with formaldehyde under acidic and heating conditions. The complex compound had maximum absorption wavelength at 390 nm. 研究了流动注射变色酸分光光度法自动测定制革废水中的甲醛,基于在酸性介质中变色酸和甲醛在加热条件下的显色反应,该络合物最大吸收波长在390nm。
Some physical and chemical properties of soybean isoflavones such as state, flavor, melting point, solubility, maximum absorption length of ultraviolet spectrometry, molar extinction coefficient, stability, hydrolysis and esterification were reviewed in this paper. 综述了大豆异黄酮的状态、风味、熔点、溶解性、紫外最大吸收波长、摩尔消光系数、稳定性、水解、酯化等物理、化学性质。
Six polymethine styryl cyanine dyes have been synthesised. The solvent effects on the maximum absorption wavelength, Stokes shifts, and fluorescence efficiencies of these dyes have been studied. 本文合成了六个多甲川苯乙烯型菁染料,研究了溶剂对其最大吸收波长、Stokes位移及荧光量子效率的影响。
This paper has explored the experimental condition of ninhydrin colorimetry measuring the amino nitrogen content of soy sauce such as pH, maximum absorption wavelength, reaction time, color reagent doses etc. and got the optimum experiment conditions. 本文对茚三酮比色法测定酱油氨基氮含量的试验条件,如pH、最大吸收波长、反应时间、显色剂用量等进行了探讨,提出了最佳试验方案。
In dilute HCl medium, there is a maximum absorption peak at 340 nm for I_3~-. 在稀HCl介质中,I3~-在340nm处有一吸收峰;
Compared to pure PVAc solution, the maximum absorption peak of composite material shifts 13.2 nm to blue. 与纯PVAc溶液相比,最大吸收峰蓝移了13.2nm;
Calculation of maximum absorption efficiency in low concentration packed tower 低浓度填料吸收塔中最大吸收率的计算
Objective: To investigate the effects of temperature, pH and metal ions on the color, maximum absorption wavelength and stability of morning glory pigment. 目的探讨温度、pH值及金属离子对牵牛花色素的色调、最大吸收波长和稳定性的影响。
It was clarified that increase of the orifice diameter result in the increase of the maximum volume and the maximum absorption height, however, it result in the decrease of the bubble frequency and the Sherwood number. 结果表明,喷嘴口径的增大,使最大气泡体积和最大吸收高度增大,而发泡频率、单个气泡的舍伍德数减小。
For the dyes with triphenylamine, the introduction of thiophene afforded a red-shift maximum absorption and threshold wavelength and improved molar extinction coefficient. 在三苯胺为给体的染料中,引入噻吩后,染料的最大吸收波长和吸收截止波长都出现红移,染料摩尔消光系数提高。
In order to study the relations between molecular structures and optical properties, the molar absorption coefficient, the wavelength of maximum absorption and aggregation effect of squaraine dyes were studied. 为了研究分子结构与材料光学性能之间的关系,分别研究了喹啉类对称与不对称方酸菁的摩尔吸光系数、紫外最大吸收波长以及在溶液中的聚集效应。
The UV spectra analysis indicated that the UV absorption area of UV-A was 280 nm to 380 nm. The maximum absorption peak was at 303 nm. 对UV-A进行紫外光谱分析,确定其紫外光吸收范围为280nm~380nm,在303nm处有最大吸收峰。
And UV-visible maximum absorption wavelength maintained a high degree of consistency; the emulsion has been no obvious color difference. 紫外可见最大吸收波长均与单体保持了高度一致性,得到的乳液颜色没有明显色差。
However, the larger nonlinear optical coefficients are always accompanied by longer maximum absorption wavelength. 但是,大的非线性光学系数往往伴随着长的吸收波长,导致透明范围变窄。
The maximum absorption wavelength of dye caused by each component of the agent AL-1 was discussed; Effective dye concentration changes caused by different concentration of H2O2 and NaOH in dye solution was also studied. 探讨了煮漂剂AL-1中各种组分对6种染料最大吸收波长的影响;不同H2O2浓度和NaOH浓度对染料水溶液中有效染料浓度的影响。
The maximum absorption wavelength and the maximum emission wavelength of the target molecules have been found. 3. 寻找到目标分子的最大吸收波长和最大发射波长。