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- solid standard substances 固态标准物质
- Objective:To standard substance of Crebanine(Cre). 目的:制备含量测定用克班宁对照品。
- It is not necessary to use natural pure abietic acid and dehydroabietic acid and they are not easily obtained as standard substances. 该法不仅可以克服松香中各异物体及同系物的干扰,而且不必用极难制备和保存的天然纯枞酸和脱氢枞酸作标样。
- Objective: To standard substance of Crebanine (Cre). 摘要目的：制备含量测定用克班宁对照品。
- Industrial Chemicals Kanto Chemical supplies specialty reagents for special purpose research, for example analysis, synthesis, standard substances, chromatography, biochemistry, super microanalysis. 关东化学提供分析,合成,标准品,层析,生化研究,超微量分析等特殊用途之试剂,可使用于各种研究领域。
- Objective: To study the preparation and analysis technique of standard substance picrinine. 目的:以灯台叶为原料,研究鸭脚树叶碱对照品的制备与分析技术。
- The content of flavonoids in waste liquid of alcohol production from sugarcane molasses was determined by spectrophotometry using rutin as standard substance. 以芦丁为标准物质,用分光光度法测定了甘蔗糖蜜酒精废液中黄酮类化合物的含量。
- This paper puts forward to acquire solid standards of color offset printing by the method of combining color measurement and density and a new term "chromaticity difference circle". 提出采用色度与密度测定相结合的分析方法获得四色印刷实地色标准,并提出色品差圆的概念,采用色品差圆确定印刷实地色标准的密度允差范围。
- The chymopapain whose purity equal to standard substance was get by twice protein chromatography on Macro-Prep High S Support. 采用硫酸铵分级沉淀与离子交换相结合的方法从市售的木瓜蛋白酶干粉中分离纯化木瓜凝乳蛋白酶。
- The determination using boric acid-citric acid colormetry with the standard substance of Rutin by UV-visible recording spectrophotometer. 通过正交试验确定了最佳提取工艺。
- Methods: Volumetric analysis combined with quantitative microscopy was used to determine Saiga tatarica content by sample itself as standard substance. 方法:以被测物自身为标准,代替参比物,并采用容量分析法配合显微定量法测定羚羊角的含量。
- Their pureness deterimined in methods of two different priciples and conformed to the technical norm of first grade military standard substance. 四种标准物质采用两种不同方法定值，结果均达到一级军用标准物质要求。
- Study of Drying primary Standard Substances by Microwave in Lab 实验室常用基准物质的微波干燥实验
- Using methanol as solvent and sodium methanol standard solution as titrant,the certification of NTO standard substance was investigated by non-aqueous titration. 以甲醇为溶剂,采用甲醇钠溶液作为滴定剂,通过非水滴定法对NTO的定值方法进行研究,选择了最佳条件。
- Cheese is a solid; milk is a liquid. 乾酪是固体，奶是液体。
- Solid fuel motors are coming into use. 固体燃料马达即将开始使用。
- Our company is specialized in trading chemical reagent, food additive, pharmaceutical adjuvant, standard substance and laboratory consumables, totally over 4000 types. 我公司专业经营化学试剂、食品添加剂、医药辅料，标准品及实验室消耗品，品种达4000余种，行销全国三十多个省市、自治区。
- The country was solid for peace. 全国上下都希望和平。
- Water becomes solid when it freezes. 水结冰时便变成固体。
- Objective To establish a simple and quick method for preparation of human B lymphocyte stimulator receptor-BCMA gene expression level quantitative standard substance. 目的建立一种简便快速BCMA基因表达水平定量标准品的制备方法。
