Determination of magnesium in WPA by chromotropic acid color developing system 用变色酸显色体系测定湿法磷酸中的镁
Moreover, total polar material of frying oil could be predicted by acid value and color. 煎炸油极性值的变化可通过色泽和酸值进行预测。
Objective: To study the effects of different lactic acid treatments on pork color and microbial decontamination. 目的:研究了不同工艺参数乳酸处理对猪肉肉色以及去微生物污染的影响。
The experiments indicate: the organic acid A protects color function better than organic acid B to strawberry juice; 结果表明:有机酸A对草莓汁的护色作用优于有机酸B;
Effect of Ascorbic Acid on Color of Fresh Square Shape Noodle 抗坏血酸对小麦面片色泽影响的研究
Results showed that the flavor, free amino acid content and color of dry duck were significantly effected by the above factors. 结果表明,蛋白酶种类、腌制时间、腌制温度对风鸭风味及游离氨基酸产生,及亚硝酸钠、异抗坏血酸钠、乳酸用量和腌制时间对风鸭的发色,均有显著性的影响。
Supplemental clay treatment could improve the acid number, color and anti-oxidation property of the transformer oil. 白土精制能改善油品的颜色、酸值及抗氧化安定性等;
A beverage prepared with 30% juice, 8% sugar and 0.3% citric acid exhibited the best color, odor and taste. 用甘薯原汁30%,蔗糖80%,柠檬酸0.3%调配,可获得色、香、味俱佳的紫肉甘薯饮料。
The spectrophotometry for the determination of Si Mo heteropoly acid color development system of tittle silicon in ammonia synthesis catalyst was established to explore the influence of various conditions, and determine the optimal condition. The result is satisfactory compared with gravimetric method. 建立分光光度法测定氨合成催化剂中微量硅的硅钼杂多酸显色体系,考察各种条件的影响,确定最佳条件,并与重量法作对比,结果令人满意。
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;
In order that oil used for injection would conform to pharmacopoeia stipulation standard, we tested saponification value, iodine value, acid value and the color of the oil respectively. 并分别测定了大豆油的酸值、皂化值和碘值,并对其颜色进行了检查。
Synthesis of 2 ( 2 imidazolylazo) benzoic Acid and Its Color Reaction with Cobalt 新显色剂2-(2-咪唑偶氮)-苯甲酸的合成及其与钴的显色反应研究
The spectral characteristics and quantum yields of acid sensitive color? Changing recording materials 酸敏变色记录材料的光谱特性及其光量子产率
Its proce-dure, linear correlation and recovery rate were studied and compared with thoseby the conventional method of strong acid color reaction. 对其测定步骤、线性关系和回收率等进行了探讨,并与通常用的强酸显色法进行了比较。
Analysis on color system revealed: acid could deepen the color of colored cotton, alkali could deepen the color of brown cotton while made the color of green cotton lighter; 色系分析表明,酸能加深彩色棉的色泽,碱能加深棕色棉的色泽,却降低绿色棉的色泽;
The effects of 6 proteinases on the hydrolysis of crab meat were compared in this paper from the view of the degree of hydrolysis, the content of amino acid, the color, flavor and taste of the hydrolysate. 从水解度、氨基酸含量、水解液色泽、风味、口感等方面,比较了几种蛋白酶制剂对蟹肉的水解效果。
METHODS: Polysaccharide in Gegen was determined by UV spectrophotometer at 490 nm, with phenol concentrated sulfuric acid as the color developer. 方法:采用苯酚-浓硫酸反应后分光光度法测定多糖含量。
Spectrophotometric Determination of δ Aminolevulinic Acid by Condensation Color Reaction 缩合显色反应分光光度测定δ-氨基乙酰丙酸
Effect of size and moisture content of wheat germ, extraction pressure, temperature and CO2 flow rate on yield and qualities including fatty acid composition, Vitamin E concentration, acid and color value of wheat germ oil extracted by SC-CO2 is discussed. 测定并分析了小麦胚芽的粒度、含水量、萃取温度、压力和CO2流量对小麦胚芽油的超临界CO2萃取率及产物品质(包括脂肪酸构成、VE含量、酸价和色泽)的影响。
The results show that the grape resources have diversity in shape and average weight of bunch and berry, total sugar content, total acid content, color of skin, firmness of flesh, particular flavor. 结果表明,在葡萄果穗形状、果穗大小、果粒形状、果粒大小、果粒重量、可溶性总糖含量、总酸含量、果实颜色、果肉硬度和香味等方面均存在丰富的遗传多样性。
Study on Acid Color for Wood Staining 酸性染料用于木材染色的研究
Study about corrosion potential of acid SURFACE-FIXING-FILM on color paint sheet 彩涂板酸性表调膜腐蚀电位的研究
Determination of Procaine Hydrochloride with 1,2-Naphthoquinone-4-sulfonic Acid as Color Reagent by Absorbance Difference Method 1,2-萘醌-4-磺酸钠为显色剂吸光度差值法测定盐酸普鲁卡因
The feasibility of using Mg~ ( 2+) and chromotropic acid 2R color developing system for the determination of Mg in WPA are discussed. 探讨利用Mg2+与变色酸2R显色体系测定湿法磷酸中镁的可能性。
In the medium of nitric acid, color reaction system of tyrosine and α nitroso β naphthol is studied by flow injection merging zone stopped flow spectrophotometry combined with single chip microcomputer. 研究了在硝酸介质中,酪氨酸与α亚硝基β萘酚的显色反应。
The experiment optimized the concentration and the amount of phenol solution, the amount of concentrated sulfuric acid and the color of time. 优化了苯酚溶液的浓度和用量、浓硫酸的用量及显色时间。
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。