分光光度计

To apply 5% H2O2 on the black skin of guinea pigs,2 daily,for 50 days,and draw blood from abdominal aorta,and determine the content of tyrosinase by spectrophotometer and indexes of hemorrheology by LIANG-100 blood rate viscosimeter.

用5%过氧化氢涂布于豚鼠的黑毛区，每日2次，连续50d，腹主动脉取血，用分光光度计测酪氨酸酶含量和用LIANG-100型血液比粘度计测血液流变性指标。

Methods This study was preformed to investigate the relationship between postmortem interval and absorbance in vitreous humor of rabbit after death.

应用 754分光光度计，在 420nm波长下，检测了 48只家兔死后不同时间的眼玻璃体液消光度，探讨其与死亡时间的关系。

UV spectrophotometry ; wet weight measurement ; plate count ; standard curve ; Mycobacterium vaccae

紫外分光光度计法；湿重法；平板菌落计数法；标准曲线；牡牛分枝杆菌

Transmission electron microscopy, scanning electron microscopy, X-ray diffraction pattern and UV-Vis spectrum were utilized to characterize the products.

利用透射电子显微镜，扫描电子显微镜，X射线衍射仪和紫外－可见分光光度计对产物进行表征。

Spectrophotometer was used for detecting the contents of total terpenoid components in the extracts of Alisma and various parts of elution with different kinds of macroporous resin, compared with acetylalisol B.

以乙酰泽泻醇B为对照品，用分光光度计测定泽泻提取物及不同树脂洗脱部位的总萜醇类成分含量。

Methods S. epidermidis atlE gene expression level at different phases was detected by RT-PCR, and the accumulation of extracellular DNA at different phases was assessed by spectrophotometric measurements of light absorbance by DNA; DNase Ⅰ was used to study the function of extracellular DNA in biofilm formation and primary attachment. The effects of atlE gene deletion on initial adherent capacity, biofilm formation and extracellular DNA release were studied by construction of atlE deletion mutant via homologous recombination.

采用RT-PCR法检测表皮葡萄球菌atZE基因在不同时期的表达水平，用紫外分光光度计检测DNA的方法检测了相应时期的胞外DNA的释放量，并用DNA酶研究表皮葡萄球菌胞外DNA在生物膜形成和起始黏附中的作用；采用ρBT2质粒同源重组敲除的方法构建了表皮葡萄球菌1457的atlE基因突变株，研究atlE基因敲除突变对起始黏附能力、生物膜形成及胞外DNA释放能力的影响。

Five methods namely improved CTAB method, CTAB-silica extraction method, SDS method, low pH extraction method with high salt and Zhou shiliang method were adopted to extract genome DNA from the leaves of Citrus aurantium. And three methods including ultraviolet spectrophotometer, agarose gel electrophoresis and SSR-PCR amplification were used to detect extracted sample DNA.

以枳壳叶片为试验材料，分别采用改良CTAB法、CTAB-硅珠法、SDS法、高盐低pH值法和周世良法5种方法提取枳壳基因组DNA，并通过紫外分光光度计、琼脂糖凝胶电泳及SSR-PCR扩增3种方法对所提取的DNA样品进行检测。

The results show that the samples were X1 and type Y_2SiO_5 after calcined at 1300 and 1400℃,respectively.

通过X射线衍射、荧光分光光度计等分析测试仪器对样品的物相组成及发光性能进行了测试分析。

The influence on physiques of Camponotus japonicus which were kept indoors in winter was studied. Their survival rate was counted. The activity of SOD and POD was tested by spectrophoto-meter.

研究室内过冬对日本弓背蚁生活力的影响，统计法测定了其存活力的变化，分光光度计比色法测定了野生蚁及低温处理蚁超氧化物歧化酶、过氧化物酶等指标。

Compared with fresh samples, dried with silica gel, the genomic DNA was extracted from Castanea henryi leaves, which preserved for 10 days, 2 months, 4 months, 6 months, 8 months, 10 months, 11 months, 12 months, 13 months, 14 months, 15 months, 16 months, 17 months, 18 months, by improved CTAB methods.

以野生锥栗幼叶为对照，采用硅胶干燥法，设置不同保存时间（10 d，2、4、6、8、10、11、12、13、14、15、16、17、18个月），对保存不同时间的锥栗叶样抽提基因组总DNA，利用紫外分光光度计及琼脂糖凝胶电泳检测提取DNA的浓度、纯度、得率及质量等指标，评价不同保存时间对基因组DNA的影响。

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。