The anodizing of ZL102 aluminum alloy castings was investigated in the mixed boric acid and tartaric acid solution. 研究了ZL102铝合金在硼酸酒石酸二元混酸体系中的阳极氧化。
Mixed reagent of anhydrous soda and boric acid is used to dissolve the sample, Cr(ⅱ) reduction solution is used to deoxidize, and ( NH 4) Fe 2 ( SO 4) 3 is used to titrate, thus the Ti content is determined. 利用无水碳酸钠及硼酸混合试剂熔解试样,利用铬(Ⅱ)还原液还原,硫酸高铁铵滴定,测定钛的含量。
OBJECTIVE: To examine the stability of chlorinated lime and boric acid solution. 目的:考察含氯石灰硼酸溶液的稳定性。
Whereas the adsorption of boron from pure boric acid solution is weakly dependent upon suspension pH. 对纯硼酸液中硼的吸附影响较小。
The effects of chloride and boric acid on the epimerization of D-arabinose to D-ribose in aqueous solution using ammonium paramolybdate as catalyst was studied. 研究了在仲钼酸铵催化D-阿拉伯糖差向异构化为D-核糖的水相体系中,氯化物和硼酸助催化剂对反应的影响。
Studies on Separation of Different Species Containing Boron in Boric Acid Solution Using Electrostatic Ion Chromatography 静电离子色谱用于硼酸溶液中硼不同形态组分分离的研究
80 cases in treatment group, treated with Traditional Chinese Medicine and topical aloe, 40 cases in control group, treated with cetirizine hydrochloride table and topical 3% boric acid solution. 治疗组80例,采用中药和外用鲜芦荟汁,对照组40例,口服盐酸西替利嗪片及3%硼酸溶液湿敷,疗程均为30d。
A new method to inhibit hydrolysis of fluoborate ( BF 4-) with a saturated boric acid solution and to subtract the interference of Sn+ 2 ions was described. 本文提出了应用饱和硼酸抑制氟硼酸根(BF4~-)水解,扣除Sn~(+2)离子干扰的新方法。
Soaking seeds in boric acid solution with right consistency and dressing foliage in various stages can promote the growth and development of the root system of wheat seedlings, and can also promote the differentiation of the growing cones and the forming process of organs; 春小麦赛洛斯用适宜浓度的硼酸溶液浸种和各期根外追肥的方法处理后,皆可促进小麦幼苗根系的生长发育;促进生长锥的分化和器官的形成过程;
In the boric acid solution, the circulation test of volt-ampere shows that there exist the two Cu ( II)/ Cu ( I) and Cu ( I)/ Cu reduction processes in the electrochemical reaction; 在硼酸溶液中,通过循环伏安法测试表明,铜锈的电化学反应存在Cu(II)/Cu(I)和Cu(I)/Cu两个还原过程;
Among the 30 compounds boric acid and potassium carbonate were better to increase the activity of Bt. Absorbing Carbon Dioxide with Hot Potassium Carbonate Solution Adding Boric Vanadate and Diethylenetriamine 在各类不同的化合物中以硼酸和K2CO3对Bt杀虫效果的促进作用较强。硼钒酸盐和二乙撑三胺复合活化改性热钾碱脱碳溶液
In order to reduce the concentration of boric acid in nickel electroplating solution, substitution of acetic acid for boric acid or mixture of acetic acid and boric acid can be used to decrease the amount of boric acid. 降低电镀镍溶液中硼酸的质量浓度,可以用醋酸或醋酸镍代替硼酸,或者用醋酸与硼酸混合使用以降低硼酸的用量。
Influence of Boric Acid Absorbent Solution to the Determination of Ammoniac Sample 硼酸吸收液对含氨样品测定的影响
Methods Through observing the influence of different concentration of benzoic acid, boric acid and their mixture as hydrotropic agent on the content, the stability experiment and the clarity of furacilin solution during three months, the proper hydrotropic agent and its concentration were found. 方法以不同浓度的苯甲酸、硼酸以及苯甲酸加硼酸作助溶剂,通过含量测定、澄明度观察、3个月留样观察和稳定性试验,寻找合适的助溶剂及其浓度。