氧化测定法

Objective:to study the probable degradation of flutamide under the condition of light, heat, acid, alkalic and oxidation,and to evaluate the ability of the analytical method to separate degradation products.methods: hplc method of related compounds of flutamide in ep5.0 was used and flutamide and impurity contents were calculated by percentage area method.

目的：研究氟他胺在高温、光照、酸性、碱性和氧化条件下可能发生的降解。方法：根据欧洲药典5.0（ep5.0）中氟他胺有关化合物的hplc测定方法，以百分面积法计算主成分含量和杂质含量。

A new catalytic spectrophotometric method for the determinati-on of trace copper is described. This method is based on the oxidation of Phloxine by hydrogen peroxide in ammoniacal medium, catalyzed by copp-er.

本文提出了催化光度法测定痕量铜的新方法，此法是基于萤光桃红在氨性介质中被H_2O_2氧化的反应受到痕量Cu的催化。

A novel anticoagulative biomaterial which was prepared from modified graphite oxide and silicone rubber through solution intercalated reaction was synthesized, The excellent properties of the new type nanocomposites, such as good mechanical strength and b

摘要利用溶液插层法合成了新型的硅橡胶／氧化石墨－十八烷基二甲基－2-羟乙基溴化铵－肝素纳米抗凝血复合膜材料，并通过机械性能测试、X射线衍射、血小板黏附试验和肝素扩散速率测定实验对复合膜材料的力学性能和血液相容性进行了表征。

A novel anticoagulative biomaterial which was prepared from modified graphite oxide and silicone rubber through solution intercalated reaction was synthesized, The excellent properties of the new type nanocomposites, such as good mechanical strength and blood compatibility, have been characterized by XRD, mechanical properties, adhesion of blood platelet test and the heparin release rate test.

摘要利用溶液插层法合成了新型的硅橡胶／氧化石墨－十八烷基二甲基－2-羟乙基溴化铵－肝素纳米抗凝血复合膜材料，并通过机械性能测试、X射线衍射、血小板黏附试验和肝素扩散速率测定实验对复合膜材料的力学性能和血液相容性进行了表征。

Study on antioxidant activity of Arnebia euchroma Johnst Hairy Roots extract.

研究新疆紫草毛状根提取物的抗氧化活性。采用平行提取法提取紫草色素，测定了LEP对DPPH。

The nitrite in food was converted to manganese bioxide precipitate by potassium permanganate under acid condition. The precipitate was dissolved in sulphuric acid and the absorptivity of manganese was determined by atomic absorption spectroscopy, so that the content of nitrite was obtained indirectly.

在酸性条件下，用高锰酸钾将食品中的亚硝酸盐先转化成二氧化锰沉淀，再用硫酸溶解沉淀，以原子吸收光谱法测定锰的吸光度，从而间接得到亚硝酸盐的含量，回收率在97.6%~105.2%之间。

The method is based on the cobalt catalyzing oxidation of bromocresol purple by hydrogen peroxide in the media of ammonia water using potassium chloride as an activator.

研究了在氨水溶液介质中，以氯化钾溶液为活化剂，痕量钴离子催化过氧化氢氧化溴甲酚紫褪色的指示反应，通过测量590 nm处溶液吸光度的改变，建立了催化动力学光度法测定痕量钴的新方法。

The compositions of the essential oil from the leaves of Callicarpa formosana Rolfe in Guangdong Province were analyzed by means of GC-MS technique, and 48 chemical constituents, accounting for 90.14% of total content were identified.

采用气相色谱-质谱联用对杜虹花叶挥发油的化学成分进行分析，并用DPPH法测定其抗氧化活性。

MethodsThe peracetic acid oxidation of tetramethylbenzidine chromogenic determination was used for urine iodine level of 3052 pregnant women.

采用过氧乙酸氧化四甲基联苯胺显色法测定3052例妊娠妇女尿碘水平。

With the phenol sulfuric acid method determines Cynomorium songaricum Rupr polysaccharide, OH was produced by Fenton reaction, and O2(superscript -) was produced by the oxidation of pyrogallic.

实验中采用苯酚－硫酸法测定锁阳多糖，在自由基由Fenton体系产生，超氧自由基O2(上标-由邻苯三酚自氧化体系产生。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。