酸量测定法

Based on the catalytic effects of trace formaldehyde on the reaction between potassium bromate and oxidized azur A,a new catalytic spectrophotometric method has been developed in this paper.

基于在一定温度和硫酸介质中，痕量甲醛对溴酸钾氧化天青A 有较强的催化作用，建立了测定痕量甲醛的新的催化光度法。

Based on the inhibitory effect of trace Ti on the oxidation of fuchsin acid by potassium bromate,a new kinetic spectrophotometric method for the determination of trace Ti has been developed.

利用Ti对溴酸钾氧化酸性品红的抑制作用，建立了动力学光度法测定痕量Ti的新方法。

Glucuronidase and lysozyme release was quantitated by enzyme reactions in which phenolphthaleinglucuronic acid and Micrococcus Lysodeikticus were as the substrates, respectively.

以酚酞葡糖醛酸和Micrococcus Lysodeikticus为基质的酶反应法测定β-葡糖苷酸酶和溶菌酶的释放量。

Methods The intestine in rats was cannulated for in situ recirculation. UV and HPLC were used to determine the concentrations of phenol red and ferulic acid, respectively.

采用大鼠在体肠回流实验装置，采用UV法和HPLC法分别测定肠循环液中酚红和阿魏酸的量。

The sample was dissolved by hydrofluoric acid and hydrogen nitrate, then the tantalite and hydrofluoric acid formed TaF6- in the media of tartaric acid－hydrofluoric acid.

试样以氢氟酸、硝酸溶解后，在酒石酸－氢氟酸介质中，钽酸与氢氟酸形成阴离子TaF6-，与结晶紫生成蓝紫色的络合物，用苯萃取出来采用光度法测定钽量，测定结果均在国标允许误差范围内。

In the present paper,the use of 8-hydroxyquinolinecomplexs in precipitate flotation to separate and preconcentrate Cu and Mn,using SDBS as collector,followed by AAS spectrophotometric determination is proposed.

提出了以8-羟基喹啉为沉淀剂，十二烷基苯磺酸钠为浮选剂，沉淀浮选预分离富集与火焰原子吸收光谱法联用测定痕量Cu和Mn的新方法。

According to this, a series of new methods to determine trace cobalt, copper, antimony, cadmium, aluminum and iron was established by taking advantage of the characteristic of metal ions with intense catalysis effect on hydrogen peroxide oxygenating rhodanine.

基于此，利用痕量金属离子对过氧化氢氧化若丹宁具有强烈催化作用的性质，建立了一系列利用新型含羧酸基偶氮若丹宁衍生物催化荧光法测定痕量钴、铜、锑、镉、铝和铁的新方法。

Methods:Vanadium was determined by dual-wavelength catalytic spectrophotometric method which was based on the vanadium catalyzing oxidation of acridine orange and acid chrome blue K by potassium bromate in 0.010 mol/L H2SO4 medium.

在硫酸介质中，利用钒催化溴酸钾氧化吖啶橙和酸性铬蓝K褪色反应，分别在476 nm和556 nm处测量催化体系和非催化体系的吸光度的变化，用双波长催化光度法测定痕量钒。

A new flow injection-catalytic spectrophotometric method has been developed for the determination of nitrite based on oxidation decoloration of Victoria blue B with potassium bromate in phosphoric acid medivm.

以亚硝酸根催化溴酸钾在磷酸介质中氧化维多利亚天蓝B褪色为指示反应，建立了反相流动注射催化光度法测定痕量亚硝酸根的新方法。

The color fading reation on potassium bromate with Victoria green stand G by the catalysis of nitrite in hydrochloric acid medium was studied.

采用流动注射技术与催化光度法相结合，研究了亚硝酸根催化溴酸钾氧化维多利亚绿G的高灵敏度褪色反应，用自制的微机化流动注射分析仪能准确控制时间，优化了实验条件，建立了测定痕量亚硝酸根的流动注射催化光度方法。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。