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The effects of the method repeatability, sample mass, standard titrate solution and enviroment temperature on the uncertainty of PTA acid value determined with titrimetry were assessed and discussed. 摘要对滴定法测定精对苯二甲酸酸值的过程中的方法重复性、样品质量、标准滴定溶液、环境温度等方面对不确定度影响进行了评定讨论。
The effects of the method repeatability,sample mass,standard titrate solution and enviroment temperature on the uncertainty of PTA acid value determined with titrimetry were assessed and discussed. 对滴定法测定精对苯二甲酸酸值的过程中的方法重复性、样品质量、标准滴定溶液、环境温度等方面对不确定度影响进行了评定讨论。
acid value determination 酸价测定
The refrigeration was helpful in the sta-bility of acid value. 冷藏有利于保持酸价稳定性。
If Libraries matter, then benchmarking and value determination really matters! 如果排名对图书馆而言很重要,那么图书馆服务的指标分析与价值测定更重要!
Saponification value, acid value of waste oils and water content were tested. 对地沟油的酸值、皂化值以及水含量进行了检测。
The determination of acid value of oils by colorimetric method was studied.To avoid the use of expensive surfactant bis (2-ethylhexyl) sulfosuccinate, vortex and centrifugation were used. 摘要本文研究比色法测定油脂酸价，为了避免使用昂贵的表面活性剂双-（2-乙基己基）磺基丁二酸钠，采用振荡离心操作方法。
Improved T_(2cutoff) Value Determination with Core NMR and Conventional Irreducible Water Measurements. 用岩心NMR和常规束缚水的测量改进对T_(2cutoff)的确定
Effects of microwave radiation intensity and irradiating time on the acid value in vegetable oils were investigated. 摘要研究了微波辐射强度和辐射时间对植物油脂酸值的变化情况。
In this thesis, the preparation and the value determination of the CRMs of soybean isoflavones were investigated. 采用UV、IR、MS和NMR方法对所得到的大豆异黄酮成分进行定性鉴定,同时建立了相应的标准物质定值方法。
Frying and cooking had very little effect on acid value, color, peroxide value and anisidine value. 煎炸和清炒对酸值、色泽、过氧化值、羰基值等品质指标均有一定程度的影响,但这种影响较小;
Based on the establishment of light scattering value determination method,three dextran molecular weight CRMs are studied and characterized. 在建立了激光光散射定值分析方法基础上,研制了3种葡聚糖分子量标准物质。
Objective To determine the acid value and the saponification value in Cera Chinensis. 目的建立测定虫白蜡酸值、皂化值的方法。
Methods Three factors of temperature,vitamine E and store time were analysed by orthogonal design with the peroxide value determination. 方法以过氧化值为指标,应用正交设计法考察避光条件下温度、维生素E和储存时间三因素对月见草油质量的影响。
The corrosion prevention techniques during the refining of crude oil with high acid value are also introduced. 还介绍了加工高酸值原油中的防腐蚀技术。
A variable so related to another that for each value assumed by one there is a value determined for the other. 应变量，函数一个与他量有关联的变量，这一量中的任何一值都能在他量中找到对应的固定值
The equipment corrosion and corrosion resistance in processing crude oil with high acid value are reviewed. 摘要高酸值原油加工过程中设备的腐蚀问题和防腐蚀新技术受到相关部门的高度重视。
By secondary esterification reaction, the acid value can be further reduced to less than 3 mgKOH/g. 经过二次酯化，酸价可降到3mgKOH/g以下。
Simultaneously, model of monopoly-as-seller andmodel of share's intrinsic value determination with finitary holdingperiod are integrated into securities investment analysis. 同时结合了卖方垄断厂商模型和有限期持有的股票内在价值的决定理论。
Low acid value resins were synthesized by E10 with low temperature ring opening. 采用E10低温开环酯化合成低酸值树脂。