标准测定

Alkalimetry is standard method of determining degree of deacetylation of chitosan generally applied in aquaculture and other industry.

碱量法是水产行业测定壳聚糖脱乙酰度的标准方法，应用广泛。

The samples were digested with aqua regia in boiling water bath, avoiding the use of hydrofluoric acid.

测定过程中用国家一级标准地质样品GBW07310和GBW07108实施分析结果质量监控。

Results: The linear ranges for inorganic arsenic, monomethylarsonic acid and dimethylarsonic acid were all from 5.0 to 100.0 μg/L The detection limits of As(superscript 3+), As(superscript 5+), monomethylarsonic acid and dimethylarsonic acid were 0.05 mg/kg. The recoveries of the method were 78%-110%(n=6), and the relative standard deviations were

结果：本方法的三价砷、五价砷、一甲基砷和二甲基砷在5.0~100.0 μg/L范围内有良好的线性，方法的测定低限均为0.05 mg/kg；实验表明方法对不同海产品的回收率在78%~110%之间，相对标准偏差在3.0%~12.2%之间。

This result identical with GBW07602, GBW07603, GBW07605, that obtained from national plant standard reference material. This result was also similar with the mineral elements content in Astragal of other area determined by this method...

以GBW07602，GBW07603，GBW07605国家植物标准为参考物质进行样品校准，实验结果表明，用X射线荧光法测定的结果与标准值基本相符，并用此法将宁夏黄芪与其他地区黄芪进行了比较。

In order to find the difference of the isotopic composition of different organic compounds before and after complexation, the autogamy standard sample is performed by molecular sieve adsorption to study the variation of the isotope compositions of n-alkanes, isoalkanes and cyclanes.

通过对自配标准样品进行S分子筛吸附试验，测定了用5分子筛吸附法分离前后正构烷烃、异构烷烃和环烷烃碳同位素值，探讨试验前后碳同位素值的变化。

To observe the change of patients' blood pressure, serum lipid, pulse, avoirdupois, waistline, hipline.

治疗前后分别测定每名患者的OGTT、胰岛素释放试验及C肽水平，进行前后对比，数据以均数±标准差表示，采用t检验。

Bacteriostatic rates of the natural bamboo fabric and bamboo powder were tested based on the latest standard.

采用最新标准对竹原纤维织物及毛竹竹粉的抑菌率进行了测定。

This way is right of standard sample determine to be worth photograph be identical with reference.

本法对标准样品的测定和参考值相吻合。

It proved that hormones were applied in bean sprout production. The recover ratio was 82.65%-100.53%, the RSD % was below 15%.

本试验用高效液相色谱法测定目标物质的回收率达到了82.65 %~100.53 %，相对标准偏差均小于15 %。

All the indices met the demands of environmental quality standards of surface water and the method was suitable for the analysis and determination of benzene series in surface water.

各指标均符合地表水环境质量标准的要求，适合地表水中苯系物的分析测定。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。