溴酸

20% Hydrobromic acid was selected as the optimum condition for O-demethyltion. A total yield raised 59.90% was obtained.

采用20%的氢溴酸作为去氧甲基化试剂的新工艺，收率高、成本低、操作简便，适合规模生产。

Hydrobromic acid and hydroiodic acid, but also react each other and give out the hydrosulfide gas.

实验结果表明黑色硫化汞能溶于热浓盐酸、氢溴酸和氢碘酸中，并与其反应放出硫化氢气体。

These conditions included original material source, reagent ratio, base solutions, power of the microwave, reaction time and so on.2, Chitosan obtained from above was modified by Schiff base type macrocycles, which was prepared by the reaction of the reagents of salicylaldehyde, glacial acetic acid, hydrobromic acid, chloroepoxy propane and the others.

反应的最优化条件为：物料比1：25；反应时间20min；NaOH溶液浓度为50%；微波功率为450w。 2、利用原料水杨醛、氢溴酸、冰醋酸等采用四步法合成了含羟基的Schiff碱型大环化合物，然后以取代方法将此Schiff碱型大环化合物负载到壳聚糖上，得到具有特殊结构与性能的壳聚糖衍生物，并得到各中间产物的红外光谱图。

Keywords Black mercury sulfide;Thickish hot hydrochloric acid;Hydrobromic acid;Hydroiodic acid;Dissolve

黑色流化汞；热浓盐酸；氢溴酸；氢碘酸；溶解

Antimony samples were dissolved by aqua regia, hydrobromic acid, and hydrochloric acid step wisely, converting sulfur in the samples into sulfate.

方法采用王水，氢溴酸，浓HCl等试剂将锑样溶解，并使锑样中的硫转化为SO42-，低温加热蒸干，使锑完全挥发。

Objective To study the concentration of dextromethorphan hydrobromide in human plasma.

目的 研究氢溴酸右美沙芬在健康志愿者体内的血药浓度。

Objective:To establish an HPLC method for determination of related substance of lappaconite hydrobromide injection.

目的：建立测定氢溴酸高乌甲素注射液有关物质的高效液相色谱法。

Objective To study the release and transdermal permeation of the transdermal patch of galanthamine hydrobromide in vitro.

目的 研究氢溴酸加兰他敏贴剂的体外释放和经皮渗透性能。

The lappaconitine hydrobromide was synthesized in a new way,with a yield of 84%.

同时用制备方法操作简便，反应条件温和的新方法合成了强镇痛药物刺乌头碱氢溴酸盐，产率可达84%。

The method is accurate and precise,it is usable for the study of clinical dextromethorphan hydrobromide pharmacokinetics.??

本法精密，准确，可用于氢溴酸右美沙芬的药动学研究。？？

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新