比色法

This paper introduces the use of vanadium-ammonium molybdate colorimetric method to estimate the phosphorus content in the manganese ore.

用钒—钼酸铵比色法测定锰矿中的磷含量，测定结果表明：相对偏差小于 2 %，测定范围 0 1～ 1 0 %方法简便快速，可满足生产要

An orthogonal experiment design on the basis of three factors and four levels was applied for studying the effect of formula fertilization on yield.

采用L16(43)正交法设计，研究氮磷钾不同配比对板蓝根产量的影响；采用苯酚-硫酸比色法对多糖含量进行测定。

The main research contents and results are as follows:(1)The method of chromatography paper was defined to determinateguanosine content quantitatively in the fermentation broth.

主要研究内容和结果如下：(1)建立了发酵液中鸟苷定量测定的"纸层析-色斑洗脱比色法"，并对该方法的应用条件进行了研究。

The SO2 residue in 14 kinds of edible fungus was determined by pararosaniline method, and the methods of determining SO2 residue were compared.

采用副玫瑰苯胺比色法对14种食用菌产品的SO2残留量进行了测定，并对SO2残留的检测方法进行了比较研究。

AIM To investigate the effect of methyl pentyl 1,4 dihydro 2,6 dimethyl 4 (3 nitrophenyl) 3,5 pyridinedicarboxylate (MN9202),a dihydropyridine calcium antagonist, on cardiac indexes,ultrastructure, superoxide dismatase,glutathione peroxidase activity and malondialdehyde concentration in cardiac hypertrophy induced by L thyroxine in rats.

连续 12 d ip L- Thy0 。5 mg·kg- 1 · d- 1 复制大鼠心肌肥厚模型，实验组 ip MN92 0 2 0 。4mg· kg- 1· d- 1 ，2 mg·kg- 1· d- 1 ，10 mg· kg- 1· d- 1 ，阳性对照组 ip卡托普利 2 5 mg· kg- 1 · d- 1 ，模型组、对照组给予等量溶剂，于给药后的第 13日处死大鼠，检测心脏指数，电镜观察心肌组织的超微结构变化，化学比色法测定心肌匀浆中 SOD、GSH- PX活性和 MDA含量。

The concentration of monomethyihydrazine in brain increased along with perfusion time and monomethylhydrazine concentration in the perfusate.

MMH灌流浓度分别为145，290和580mgL^(-1)，灌流时间为2，5，8及10min；采用对-二甲氨基苯甲醛比色法进行脑组织中的MMH浓度测定。

Results: The determination results of calcium, phosphonium and uric acid in treated urine were all in linear ranger of biochemical analyzer.

结果：预处理后的尿液中三种物质的测定值均落在生化分析仪的线性范围以内，且均与比色法有显著的相关性。

Results: The determination results of calcium, phosphonium and uric acid in treated urine were all in linear ranger of biochemical analyzer. This method had a significant correlation with colorimetric method.

结果：预处理后的尿液中三种物质的测定值均落在生化分析仪的线性范围以内，且均与比色法有显著的相关性。

MethodsMTT assay was used to examine the effect of Portulaca oleracea L. on the proliferation of HepG-2 cell and flow cytometry was used for the cell cycle distribution.

采用MTT比色法观察马齿苋提取物抑制肝癌HepG-2细胞增殖；采用流式细胞仪检测马齿苋对HepG-2细胞周期分布的影响。

Objective To investigate the inhibition of Portulaca oleracea L. on proliferation hepatoma HepG-2 cells.MethodsMTT assay was used to examine the effect of Portulaca oleracea L.

方法采用MTT比色法观察马齿苋提取物抑制肝癌HepG-2细胞增殖；采用流式细胞仪检测马齿苋对HepG-2细胞周期分布的影响。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。