标准测定

Results: The mean concentration and standard error of Fe. Ca, Zn, Cu. Mg and Pb in the blood of all subjects were 8.30±0.79μmol/L, 1.59±0.14 mmol/L, 70.68±9.45μmol/L, 15.56±3.42μmol/L. 1.68±0.14 mmol/L and 0.354±0.130μmol/L, respectively. Amount of children occurred the deficency of Ca, Zn and Fe and plumbism.

结果：以平均值±1倍标准差的形式来表示所有儿童全血微量和铅的测定结果如下(平均值x±s：Fe，(8.30±0.79)μmol/L；Ca，(1.59±0.14)mmol/L；Zn，(70.68±9.45)μmol/L；Cu，（15.56±3.42μmol/L；Mg，(1.68±0.14)mmol/L；Pb，(0.354±0.130)μmol/L。

The feasible conditions for trace plumbum determination in red wine by graphite furnace atomic absorption spectrophotometry were studied.

研究了石墨炉原子吸收法测定葡萄酒中微量铅的适宜条件，采用标准加入法和塞曼效应校正背景，铅的线性范围为10μg/L～50μg/L，回收率为90%～110%。

Utilizing lattice point of intersection falling to the different positi on among the visual field,every phase content of double-phases stainless steel is accurately measured.

在400倍金相显微镜上采用网格交点记数法测定双相不锈钢中的相含量。结果表明，该方法比采用标准图谱法更精确，总测试点数为1000个时，误差为1.6

This paper describes the determination of injection ribavirini by polarimetry,and it is compared with nitriding,the results indicate that this method is more simple,rapid and accurate.

采用旋光法测定三氮唑核苷注射液的含量，与河北药品标准 1 991年版采用的定氮法比较，方法简单，快捷，准确。

When the sulfur concentration is in the range of 0～4 mg/L, the elemental sulfur has a linear relation with the peak current of polarography.

该方法灵敏度高，当元素硫浓度为0.1 mg/L 时仍可以看到明显峰电流；精密度和准确度较好，对1 mg/L 元素硫的测定，标准偏差为0.02；元素硫浓度在0～4 mg/L 浓度范围与极谱峰电流呈线性关系。

Using gallic acid as the standard, the optimum conditions for determining of the polyphenols in the apple pomace by Folin method are investigated.

以没食子酸为标准品研究了福林法测定苹果渣中多酚物质含量的适宜条件。

The standard cell potential of each condition and the activity coefficients of KI in the mixed solvent were obtained by associating the experimental values using power series expansion method, the extended Debye-Hückel equation and the Pitzer equation.

用电动势法测定了KI在甲醇含量为0%、20%、60%、100%的甲醉－水混合溶剂中的电动势，用幂级数展开方法、扩展的Debye-Hückel方程及Pitzer方程关联不同溶剂组成下电动势的实验值，得到电池的标准电动势Eo和KI在混合溶剂中的活度系数。

More than 50 chemical substances were prelim inarily tested their efficiency to enhance the toxicity of Bacillus thuringiensis against Heliothis armgera.Experiments of bolting synergists and killing insects were conducted in laboratory.

本试验测定了50种化合物包括各种盐类、有机酸、氨基酸和阿维菌素(25ug/ml)等，在添加浓度为0.1％、0.5％和1.0％的剂量下对苏云金杆菌标准品的增效作用。

A standard adding method was used for the determination of procaine hydrochloride injection.

采用标准加入法，对针剂中的普鲁卡因进行测定，得到满意结果。

If not treated timely, the relevant muscle will get denaturalized or be of putrescence and fibrosis.

骨筋膜间隔内压力的直接测定仍然是骨筋膜间隔综合征诊断的金标准。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。