分光光度测定

The determination of trace cadmium in the sample of environment by flame atomic absorption spectrometry after separation and preconcentration by Cd-ion imprinted polymers has been developed.

研究了在Cd 离子印迹聚合物分离富集后，用火焰原子吸收分光光度法测定水中痕量镉的方法。

Methods The zinc concentration in red blood cell and plasma of 248 full-term infants and the mothers were determined by atonic absorption spectrometry,the infant's bilirubin levels were also measured.

方法利用原子吸收分光光度法测量248例足月新生儿及其母亲红细胞锌与血浆锌，并测定248例新生儿血胆红素值。

Selenium content in Se_enriched yeast's autolysate was determinated by adopting spectrofluorimetry.

采用荧光分光光度法测定了富硒酵母自溶物中硒的含量。

But in stationary phase and decline phase, the latter method ould reflect the growth situation of Azotobacter NT06 authentically.

通过分光光度法和活菌计数法分别对固氮菌NT06的生长曲线进行测定，结果表明对数期以前两种方法所测结果基本一致，而在稳定期和衰亡期，活菌计数法能更真实地反映细菌的生长情况。

In this experiment, the content of total flavones in soybean, black bean and soybean sprout were measured using the spectrophotometric method, and distilled water, 70% methanol, 70% ethanol and 70% acetone were chosed as the extraction solvents.

以蒸馏水、70%甲醇、70%乙醇、70%丙酮作为提取剂，用分光光度法测定黄豆、黑豆、黄豆芽中总黄酮的含量。

The simultaneous determination of benzaldehyde and benzoic acid in electrosynthetic products by ultraviolet spectrophotometry was established.

建立了一种同时测定电合成产物中苯甲醛和苯甲酸含量的紫外分光光度法。

To establish an ultraviolet spectrophotometry for the determination of the sodium benzoate in fruit and vegetable salt .

建立以紫外分光光度法测定果蔬盐中苯甲酸钠含量的方法。

Key words: compound fertilizer; determination; biuret; spectrophotometry; interference matter

濮阳市氯碱厂，河南濮阳 457000 复合肥；测定；缩二脲；分光光度法；干扰物质

Methods: Cadmium column and acid-base resisting burette with knob-operated control were used to determine nitrate and nitrite in milk product.

目的：建立镉柱还原分光光度法测定奶制品中硝酸盐和亚硝酸盐的方法。

The critical sized defects of rat calvarium were made and the combined collagen membranes were used as guided bone regeneration membrane with BIO-OSS〓 compared with titanium and uncombined collagen membranes as control.

利用人纤维蛋白原和凝血酶合成纤维蛋白凝胶，将其作为rhBMP-2的载体，与胶原膜复合，获得rhBMP-2复合BIO-GIDE〓膜和rhBMP-2复合瑞诺〓膜；通过SDS-PAGE电泳和紫外分光光度法，测定复合膜rhBMP-2释放性能。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。