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- oxalic acid concentration 草酸浓度
- A salt or an ester of oxalic acid. 草酸盐草酸的盐或酯
- Oxalic acid is always formed during the reaction. 在反应过程中,乙二酸总是会生成的。
- The yield of oxalic acid dihydrate is70.0%. 以木屑为原料草酸二水合物收率可达70.;0%25。
- Just as expected, large amount of oxalic acid are found in the reaction system and its concentration increases as the reaction time increases. 正如预期的那样,反应体系中大量草酸被检测到,并且随着反应时间的增加,其浓度不断升高。
- The influence of different concentration of oxalic acid matrix on elemental inductively coupled plasma mass spectrometry(ICP-MS) was investigated. 研究了不同浓度乙二酸介质对元素电感耦合等离子体质谱(ICP-MS)行为的影响。
- Parameters in concentration procedure of the Oxalic acid mother liquor are established by math. alaysis on experimental data. 在实验基础上,运用数学解析方法,确定了草酸母液浓缩方案的各参数。
- Hydrochloric Acid, Cationic Surfactant, Perfume, Oxalic Acid, Dye. 产品成份:盐酸、阳离子表面活性剂、草酸、香精、颜料。
- The ameliorating effect of oxalic acid was most apparent. 3种有机酸中草酸对铅胁迫的缓解作用最明显。
- Primary by-products range from benzoquinone to maleic acid and oxalic acid. 中间产物主要为苯醌、马来酸、草酸等,
- To treat(a specimen)with an oxalate or oxalic acid. 用草酸盐或草酸处理(样品)
- Used oxalic acid many times,but I failed.It seems not lacquer but silver. 用脱漆济;草酸;除了几边也退不掉;好象不是漆是银.
- The yield of oxalic acid dihydrate is up to 80% under the optimum condition. 确定了最佳工艺条件,在此条件下,草酸二水合物收率可达80%25。
- 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。
- 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。
- To treat(a specimen) with an oxalate or oxalic acid. 用草酸盐或草酸处理(样品)
- 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;
- Even spinach and beets are not exempt,since they're high in oxalic acid,which is harmful in large quantities. 甚至,菠菜和甜菜也难逃其咎,因为它们富含草酸,而大量的草酸是有害的。
- 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。