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- Deterimination of bicarbonate and total volatile acid concentration in wastewater using a simple titration 滴定法测定污水中的碳酸氢根和挥发性脂肪酸
- Methods: Using the turbidity method and analyzing the acetic acid concentration of both phases at equilibrium. 方法 :用浑浊法测定体系的分层曲线 ,自动电位滴定仪测定平衡两相中醋酸的含量 ,通过绘制出的三元相图 ,筛选萃取剂。
- Milk, especially fermented milk, has many kinds of flavor substances, which includes non-volatile acid, volatile acid, carbonyl compounds and hydrolyzates of protein, fat, and lactose. 摘要乳尤其是发酵乳中的风味物质种类繁多，包括非挥发性酸、挥发酸、羰基化合物以及蛋白、脂肪和乳糖等的分解物。
- Under this condition which shortens the lysis time by changing acid concentration and leads to the fast measurement. 在此条件下改变酸的浓度来缩短水解时间，达到快速测定的目的。
- Milk,especially fermented milk, has many kinds of flavor substances, which includes non-volatile acid, volatile acid, carbonyl compounds and hydrolyzates of protein, fat, and lactose. 乳尤其是发酵乳中的风味物质种类繁多,包括非挥发性酸、挥发酸、羰基化合物以及蛋白、脂肪和乳糖等的分解物。
- The change of some main chemical compositions,such as sugar,acid,tannin,volatile acid,ethanol, methanol,ester and so on,during manual fermentation in strawberry wine was investigated. 研究了草莓酒人工发酵过程中一些主要成分如糖、酸、单宁、挥发酸、乙醇、甲醇、高级醇和酯等物质含量的变化。
- By experiment we state the best sulfuric acid concentration, align of reactant, temperature and acid-base degree. 确定了硫酸最佳浓度、反应物的最佳配比、最佳反应温度、溶液的最佳酸碱度。
- In the process of nitration, the synthesis temperature and the nitric acid concentration was tested. 采用调整反应温度和硝酸浓度等因素对硝化反应进行了探讨;
- Low humic acid concentration accelerated 2,4-DCP photodegradation rate while high humic acid concentration restrained photodegradation. 腐殖酸在低浓度时,促进光降解反应的进行,在高浓度时,2,4-DCP的光降解氧化受到抑制。
- Humic acid had significant photosensitization on tetramethrin,and itsphotosensitization increased rapidly as the humic acid concentration increased. 腐殖酸对胺菊酯光敏化作用显著，并随腐殖酸浓度的增加而迅速增强。
- Influences of fuma acid concentration,acid value of grafted part,reaction conditions on performance of the water dispersion was discussed. 讨论了富马酸含量、接枝部分的酸值以及接枝反应温度对水分散体性能的影响。
- The control of volatile acids content has always been a technical problem in the brewing of litchi fruit wine.The fermentation process would produce excess volatile acids. 在荔枝酒的生产过程中,挥发酸的控制是一个技术瓶颈,发酵过程易造成荔枝果酒挥发酸超标。
- When aqueous hydrofluoric acid concentration is below fifty percent, it has delayed (up to six hours) symptoms of exposure. 当水成氢氟酸的浓度低于50%25时，它有延迟（大到6个小时）的暴露症状。
- With the increasing of benzoic acid and cinnamic acid concentration, the growth speed was decreased, and the radicles were short. 随着苯甲酸、肉桂酸处理浓度的增大，胚根长度变短。
- Palladium and platinum can be extracted and separated if acid concentration in water phase and MSO concentration in organic phase are controlled well. 在控制料液酸度和MSO浓度的条件下可有效地萃取分离钯与铂。
- Palladium and platinum can be extracted and separated if acid concentration in water phase and MSO concentration in organic phase are cont... 也考察了氯化铵的氨水溶液反萃取钯的适宜条件。
- Oxidized: Tasting term indicating that the wine has suffered from contact with air, resulting in browning in white wines, loss of fruit and freshness, and possibly a high level of volatile acidity. 氧化（味）的：品尝术语，用于指与空气接触后发生质变的葡萄酒，会导致白葡萄酒变为褐色，失去果香和新鲜感，而且还可能生成大量挥发性酸。
- Conclusion The increase of TFBA,especially seccondly bile acid concentration may be one of the etiologic factors of colorectal cancer. 结论粪胆汁酸浓度尤其是次级胆汁酸浓度增高可能是大肠癌促发因素之一。
- The invention discloses a nucleic acid concentrator and an application thereof. 本发明公开了一种核酸富集器及其应用。
- He has a highly volatile personality. 他有着反复无常的个性。
