standard acid的例句大全

Sodium oxide content is determined by the consuming amount of the improved standard acid.

氧化钠的含量是用改进的标准酸消耗量方法测定。

HLA-amino acid residue matching standard and immunogenic response

人白细胞抗原-氨基酸残基配型标准与免疫反应性研究

advice on revision of environmental quality standard for acid soils& a case of pb, ni and cd

我国酸性土壤地区土壤环境质量标准实践中的修改建议&以铅、镍和镉的标准研究为例

Furthermore, the molecularly imprinted polymer can also be applied in preparation of the domoic acid standard substance. 3.

该分子印迹聚合物还可用于软骨藻酸标准品的制备。

The weight crude material quality standard is 3 rate values: Lime saturation coefficient KH, silicic acid rate n, iron rate p.

衡量生料质量的标准是3个率值：石灰饱和系数KH、硅酸率n、铁率p。

The degree of deacetylation of chitosan was determined directly by 1st derivative UV spectrophotometry using hydrochloric acid as solvent and N acetyl D glucosamine ( ACGLSM) as standard.

以盐酸为溶剂，N乙酰基D葡萄糖胺为标准品，用紫外一阶导数光度法直接测定壳聚糖的脱乙酰度。

Macroporous resin purified the saponins. UV spectrophotometric is used to assay saponin content after the vanillin acetic acid-perchloric acid color reaction when the standard substance is Astragaloside.

大孔吸附树脂纯化皂苷，以黄芪甲苷为对照品，香草醛乙酸&高氯酸显色反应后，紫外分光光度法测定皂苷含量。

the clematoside ⅰ was used as standard compound and vanillin-sulfuric acid was used as reagent of colorable reaction. the detection wavelength was chosen at 475 nm.

用铁线莲皂苷Ⅰ为对照品，采用香草醛-硫酸为显色剂，475nm波长处检测。

in this paper a method for determination of pb, fe and ca in citric acid monohydrate was studied, the experimental results were compared with the results from the standard adding and wet ashing methods.

本文研究了一水柠檬酸中微量铅、铁和钙的测定方法，并与标准加入法和湿法灰化法测得的结果进行了比较，获得了较为满意的结果。

results: with the highest activation rate at ph ≤ 2.0 as the reference standard, when the ratio of liquid sodium chlorite to hydrochloric acid was 5 ∶ 4, the ph value was ≤ 2.0 and the activation rate of chlorine dioxide attained over 80%.

结果，以pH值≤2.0时最高活化率为参考标准，当液体亚氯酸钠与盐酸比例为5∶4时，pH≤2.0，二氧化氯活化率达到80%以上；

With the content of chlorogenic acid as index, this experiment has determined chlorogenic acid in Flos Lonicerae and the Valid part ( the total organic acid), a perfect quality standard to assure the effects and satety of the medicine had been established.

本文以绿原酸为考察指标，对金银花药材及金银花总有机酸提取物进行了质量标准化研究，制定了较为完善的质量标准以确保用药安全有效。

Under the optimum condition of high pressure and temperature treatment and storied at4 ℃ for10weeks, the microbial count of spiced beef was still lower than the specified value of national hygienic standard. Lactic acid bacteria and pseudomonas were dominant spoilage organisms.

将经过优化的高压条件（454.7MPa，16.8min，45.5℃）处理酱牛肉并冷藏10周后，其微生物总数仍低于国家卫生标准规定值，其中乳酸菌和假单胞菌为优势腐败菌。

Discussion on Standard Curve-protracting in Determining White Spirits'Methanol through Fuchsin Sulfurous Acid

品红亚硫酸法测定酒中甲醇的标准曲线绘制法的探讨

By employing IC reactor and anaerobic-aerobic process, the citric acid sewage reaches the second grade of sewage comprehensive discharge standard.

柠檬酸废水通过IC厌氧反应器和兼氧&好氧技术工艺流程，达到污水综合排放标准中的二级标准。

if tantalum standard solution was prepared in hydrofluoric acid or ammonium oxalate medium, the hydrolyzation of tantalum could be prevented.

为了防止钽的水解，钽的标准溶液适宜用氢氟酸和草酸铵介质。

Determination of dehydroacetic acid and sorbic acid and benzoic acid in food by gas chromatography internal standard method

气相色谱内标法测定食品中防腐剂脱氢乙酸、苯甲酸和山梨酸

Preliminary Studies on the Extraction and Purification of Poly-unsaturated Fatty Acid from Fresh-water Fish Oil and its Medicinal Quality Standard

淡水鱼油中多烯脂肪酸的提取纯化及药用质量标准的初步研究

Methods Investigation was performed in 5 372 residents with a standard questionnaire, including occupation, gender, age, seafood consumption, alcohol drinking, and blood uric acid measurement.

方法采用统一的调查表对5372名居民进行调查，调查内容包括职业、性别、年龄、食用海产品情况、饮酒史、血尿酸值。

The use of coal with high content of S as the major energy in Wanzhou district results in the far above the standard content of SO2 and a serious acid rain.

由于使用含S量较高的煤作为主要能源，万州区大气中的SO2严重超标，酸雨现象极为严重。

Benzene-methanol-acetic acid ( 5:0.8:0. 1) was used for Radix Aristolochiae with crude drug standard as reference.

青木香的薄层色谱鉴别采用青木香为对照药材，以苯-甲醇-冰醋酸（5：0.8：0.1）为展开剂。