acid number

Conventionally, acid number is determined by use of phenolphthalein as indicator.

通常测定酸值时，一般使用酚酞作为指示剂。

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Rapid determination of antioxidants total acid and total base number in lubricants

润滑剂抗氧剂、总酸值和总碱值的快速测定

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Regulation of Grain Number in Wheat: ⅲ. Effect of Abscisic Acid on Grain Number of Detached Ear in Liquid Culture

小麦穗粒数的调节：Ⅲ.脱落酸对离体培养穗结实的影响

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By determining poy and acid number , the researchers find a satisfactory solution to the problem.

通过对过氧化值,酸价两项理化指标和感观检验的测取,获得令人满意的解决方法.

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But those of per fruit weight, Vc of fresh fruit, soluble sugar of fresh fruit, edible percent of fruit, acid can be titrated in dry fruit, fruit number per bearing branchlet, internode number of secondary branch conformed to χ+ 2 distribution.

而单果重、鲜枣Vc、鲜枣可溶性糖含量、可食率、干枣可滴定酸、果吊率、二次枝节数等9个性状符合χ2分布。

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This is because the presence of a large number of bean sprouts acid substances, Anti-aging can be a very good function.

这是因为豆芽中含有大量的抗酸性物质，可起到很好的防老化功能。

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The acid number of polyester imides polyol is a critical value for qualified polyurethane.

聚酯亚胺多元醇酸值是聚氨酯的一个重要指标.

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Results show that three materials have little effect of inhibiting the raise of acid number.

结果表明,三种包装袋对抑制酸价升高的作用不大.

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The acid soup of miao nationality in Guizhou Province use the original production of fermentation methods, during the fermentation produce a large number of Lactic acid bacteria, it can effectively inhibit food spoilage and pathogenic bacteria, but also has beneficial effects on human health.

贵州省苗族腌酸汤采用原始的发酵方法进行制作，其发酵期间还产生了大量的乳酸菌，乳酸菌能有效的抑制食品中的腐败菌及病原菌，同时还对人体健康具有有益作用。

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Total 12 fatty acids were determined out. The content of linoleic acid was 74.57%. Branched chain acid and odd number carbon acid were first determined out in lagerstroemia speciosa seed oil.

利用GC-MS分析了大叶紫薇种子油组成成分，共分析出12种脂肪酸，其中亚油酸的含量达到74.57%，并且检测出支链脂肪酸和奇数碳脂肪酸。

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The paraffin wax is oxidized without catalysts by the self made experimental apparatus, and the acid number ( AN) and the ester number ( EN) of oxidized wax are correlated with the reaction conditions using artificial neural network ( ANN).

在自制的石蜡氧化装置上对石蜡进行了无催化剂氧化，并利用人工神经网络将氧化蜡的酸值和酯值与石蜡氧化条件（反应温度、空气流量和反应时间）进行关联。

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The influence of static thermal degradation on colloidal performance of Lithium-Calcium base grease was studied by the centrifugal oil separation test, dropping point test and acid number test.

利用离心分油试验机、油浴滴点测定仪和酸碱滴定仪分别考察了静态热老化对锂-钙基润滑脂胶体性能的影响。

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Test items include : Viscosity at 40℃, water content, TAN ( total acid number ), emulsification, anti-foam, wear metal analysis etc.

检测项目: 40℃粘度 、 水分 、 酸值 、 抗乳化性 、 抗 泡性及金属元素分析等.

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PH calculation in acid and alkali liquor the development of the magnesium naphthenate with super-high base number

酸碱溶液中pH值计算超高碱值环烷酸镁研制

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The relative number of chondrocytes was measured by methyl thiazolyl tetrazolium method, DNA content of chondrocytes by diphenylamine development process and the glucuronic acid ( GlucA) content in the matrix by carbazole sulfate so as to reflect the content of proteoglycan.

以四唑盐（MTT）法检测细胞相对数，二苯胺显色法测各瓶细胞DNA含量，咔唑硫酸法测基质中糖醛酸含量，以间接反映蛋白多糖含量。

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The reason lies in the Cl. It would reduce the number of nitrous acid bacterium and then hold back the nitrification in bagasse obviously.

其原因在于氯化铵能显著减少栽培基质中亚硝酸细菌的数量，抑制硝化作用的进行。

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