光度

After research on the kinds of culture media, various content of hermone, ultraviolet irridation, temperature and intensity of light in the culture, the callus clone with higher content of flavonoids and ginkgolides of Ginkgo biloba spiraster screened using photometer and HPLC combined.

通过对培养基种类、多种不同浓度的激素组合、紫外线照射、培养过程的温度和光照等条件的研究，采用分光光度法和HPLC法相结合的方法筛选出了银杏黄酮和萜内酯含量都较高的银杏幼叶愈伤组织无性系。

Methods: The culture mediums in 1% SBOS, 0.36% stachyose, 0.52% sucrose and 0.11% raffinose were prepared respectively, then Bifidobacteria and Enterobacillus were inocuted into the mediums.

按1％大豆低聚糖、0.36％水苏糖、0.52％蔗糖、0.11％棉子糖含量配制培养液，分别接种各试验菌株，在0、12、24小时测定各培养液吸光度A值（分光光度计，550nm）和pH值。

The comples formed with phen,dipy and variant valence metal such as Fe,Co,Ru and so on was statable and had higher electric potential at low valence.There was difference between the colours of low and high valence methal complex,so it played very important rule in oxidate-reduction titration and spectrophotometry.

邻二氮菲、联吡啶与铁、钴、钌等变价元素形成配合物，低价态呈稳定态，电对电位升高，且高低价态配合物颜色有明显差异，使之在光度分析，氧化还原滴定中获得重要应用。

Gas chromatography ; Solid phase micro-extraction ; Pulse flame photometric detection ; Stenchy sulfides

气相色谱法；固相微萃取；脉冲火焰光度检测器；恶臭硫化物

Gas chromatography with sample-pretreatment by solid-phase micro-extraction and with pulse flame photometric detection was applied to the determination of 6 stenchy sulfides(hydrogen sulfide,carbon disulfide,methanethiol,1,2-ethanedithiol,dimethylthioether and carbonyl sulfide) in polluted air.

应用固相微萃取预处理技术，采用脉冲火焰光度检测器-气相色谱法测定污染空气中硫化氢、二硫化碳、甲硫醇、1，2-乙二硫醇、甲硫醚、羰基硫6种恶臭硫化物。

We also introduced spectrophotometer into the analysis of sulfamate type electrolete to measure the content of nickel sulfamate for the first time. This method is much easier than the conventional chemistry titration, it can be accomplished within one minute. Furthermore, it enhances significantly the precision of the measurement.

在电铸液分析中，我们首次将分光光度法应用于氨基磺酸盐型镍电铸液中氨基磺酸镍的测定，该方法较传统的化学滴定法操作更简单，它可以在1分钟内完成氨基磺酸镍浓度的测定，且大幅提高了分析结果的精确度，样品的消耗量仅为原来的千分之一。

Sodium formaldehyde sulfoxylate can break down into formaldehyde and sulfur dioxide in process of using.

吊白块在使用过程中会分解出甲醛和二氧化硫，先用乙酸铅试纸法[1]对样品进行定性筛选，可疑样品再用分光光度法[2]测量甲醛的含量，判断是否含有吊白块。

This apparatus can be used to determine the formaldehyde, Sodium formaldehyde sulfoxylate , nitrite ,nitrate ,sulfur dioxide and pesticide residue in food rapidly and quantitatively by spectrophotometry..

仪器采用分光光度法，快速定量检测食品中甲醛、吊白块、亚硝酸盐、硝酸盐、二氧化硫和农药残留，适用于食品生产企业、农业生产基地、农业市场、质量监督、卫生防疫等部门。

To judge the existance of sodium formaldehyde sulfoxylate in food by comprehensive checking of HCHO content and SO_2/HCHO content ratio is accurate and scientific.

采用直接蒸馏滴定———AHMT分光光度法联合测定食品中的吊白块含量。

This apparatus can be used to determine the formaldehyde , Sodium formaldehyde sulfoxylate , nitrite ,nitrate ,sulfur dioxide and pesticide residue in food rapidly and quantitatively with spectrophotometer..It is suitable for food production enterprises , agriculture markets ,quality monitoring ,epidemic prevention department ,etc.

项目简介：仪器采用分光光度法，快速定量检测食品中甲醛，吊白块，亚硝酸盐，硝酸盐，二氧化硫和农药残留，适用于各级工商部门，农检中心，农业植保，食品生产企业，农贸批发市场，质量监督，卫生防疫等部门。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。