查询词典 chromogenic

Methods: The sample extraction method of total flavonoids, including water bath water bath reflux extraction and ultrasonic extraction method, the sample determination of total flavonoids, including aluminum nitrate chromogenic method and direct color method, the sample determination of antioxidant flavonoids, including FRAP method and DPPH method.

样品总黄酮提取方法包括恒温水浴回流提取法和恒温水浴超声波提取法，样品总黄酮含量测定方法包括硝酸铝显色法和直接显色法，样品总黄酮抗氧化性测定方法包括FRAP法和DPPH法。

The results show that the optimum technology is as follows: hemachrome, sodium nitrite and vitamin C should be mixed in hemoglobin solution as the mol ratio of 1∶3∶12, heating temperature is 85℃, and holding time is 15min. The chromogenic rate of the nitrosohemoglobin prepared under this condition is 90.42%.

结果表明，其最佳制备工艺为：血红蛋白溶液中所含血红素∶亚硝酸钠∶维生素C的摩尔比为1∶3∶12，加热温度为85℃，保温时间为15 min，所得半干固体亚硝基血红蛋白的发色率为90.42%。

Three N-pivot lariat ethers with picrylamino group as side arms have been prepared, and the selective coloration of above chromogenic ethers for alkalic metal salts and amines have been studied conveniently by UV-Vis spectra.

设计合成了三个具有分子隙缝的、以苦胺基为侧臂的N-支套索冠醚，利用其生色基和UV-Vis吸收光谱，简便地研究了冠环大小、键连基团对碱金属盐和有机胺选择变色作用的影响。

The results showed that the stability was good and the absorbance fluctuates lisle at pH=3~4, the temperature was at 15~28℃, the chromogenic reagent was 2mL and the time of coloration was 20~40min.

结果表明：pH值在3~4之间，温度在15~25℃之间，显色剂用量为2mL，显色时间在20~40min，显色稳定，样品吸光度无明显变化，实验能达到较理想的效果。

Concentration of plasma Hp is determinated by micromethod chromogenic substrate and is oberserved in 18 hemodialysis patients suffering from in nephrosis and 2 DIC patients treated in Hp.

用微量发色底物法测定血浆Hp浓度，监测了18例肾病病人血透期间和2例DIC病人在用肝素治疗期间血浆肝素浓度。

The content of aluminum in water was determined by the flow injection spectrophotometry using morin as chromogenic reagent.

以桑色素作显色剂，采用流动注射分光光度法测定水中铝的含量。

The content of nitrite in meat products sold in Anshan City was determined by Visible spectro photometry method,α-naphthylamine was used as the chromogenic reagent.

以α-萘胺为显色剂，利用紫外可见分光光度计，测定了鞍山市市售的几种肉制品中亚硝酸盐的含量。

The content of nitrite in meet products cold in Anshsn City was determined by Visible spectro photometry method,α-naphthylamine was seed as the chromogenic reagent.

以α-萘胺为显色剂，利用紫外可见分光光度计，测定了鞍山市市售的几种肉制品中亚硝酸盐的含量。

The highly sensitive chromogenic reaction of a ternary complex of 4-(2-benzothiazolylazo) pyrocatechol with Mo-, W-diphenyl guanidine and the application of partial least squares method in simultaneous spectrophotometric determination of trace Mo and W have been studied.

本文研究了新显色剂4-(2-苯并噻唑偶氮)邻苯二酚-Mo、W-二苯胍三元配合物的高灵敏显色反应以及偏最小二乘法在同时分光光度测定痕量钼和钨中的应用。

Objective: To observe the effect of two Salmonella chromogenic media in practical application.

目的：考核HKM沙门菌显色培养基的实际应用效果。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！