Another, smaller episode of volcanism 2m years later, which once again heated the planet and turned the seas acid, hammered life again-and again it recovered quickly.
另外，二百年之后较短时期的火山活动再一次使得地球变热，海水变酸，从而再一次打击了生物，但是同样恢复的很快。
The waste acid from the manufacture of cation exchange resin can be successfully recovered and reused by a new washing process with dilute acid instead of traditional washing process with water.
采用稀酸套洗工艺代替传统的加水稀释洗涤工艺，成功地解决了阳离子交换树脂生产中废酸的回收利用问题。
The permeation flux can be recovered by washing with acid, surfactant and base as well as appropriate pulse washing.
采用酸、表面活性剂、碱并配以合适的脉冲清洗，有效恢复膜的渗透通量。
The tungstic acid catalyst was recovered by GH deposition agent, and in the meantime the intermediate product was converted to pentanedial.
用GH沉淀剂回收钨酸催化剂，同时将反应中间体进一步转化成戊二醛。
Double-tracer technique was used to determine chlorhydric acid and phosphorous acid in the recovered solution of glycine, N-(canboxymethyl)-N-(phosphoromethyl).
介绍用碱标准溶液直接测定双甘膦生产中回收混合溶液中盐酸与亚磷酸含量的双指示剂法。
The refining method of the propionic acid guanidine of the invention has high refining yield and menstruum can be recovered and applied, thereby greatly reducing waste water quantity.
本发明丙酸胍的精制方法精制收率高，溶媒可回收套用，并大大减少了废水量。
It was indicated that the operation voltage had significant effects on electrodialysis capacity, energy consumption and recovered organic acid concentration of the module.
结果表明，操作电压对装置的处理能力、能耗和回收有机酸浓度均具有重要影响。
Ammonia in exhaust gas from the production of crude phthalocyanine blue can be absorbed by sulfuric acid to produce ammonium sulfate and dust recovered by precipitator.
粗铜酞菁生产尾气中的氨可用硫酸吸收制硫酸铵，粉尘可用捕集器回收。
Also, regeneration method was feasible and phosphoric acid could be recovered form regenerated liquid.
再生方法可行，可通过再生液回收磷酸。
Acetic acid, which is distilled from the reaction mixture as it forms can be recovered.
可以回收在其形成时即从反应混合物中蒸馏出去的乙酸。
Preliminary test indicates that most of sulfuric acid can be separated and recovered by diffusing dialysis process. Consequently, the alkali consumption is reduced in uranium precipitation process.
初步试验表明，扩散渗析可以用来分离回收其中大部分的硫酸，从而降低溶液的酸度，减少沉淀产品的碱耗。
Useful compositions in remaining heat and smoke of boric acid dehydrating process can be recovered with this program, and dust - removal rate is exceed 90%.
该方案可回收硼酸脱水过程中余热和烟气中有用组分。除尘率可达90%以上。
At last, acid leaching was used to deal with the sludge after combustion, and the recovered coagulants had a good flocculating performance on textile wastewater.
最后，采用酸浸法对污泥焚烧残渣进行处理，制备得到的混凝剂对印染废水混凝效果显著。
The catalyst system consists of solid strong acid ion exchange resin, organic solvent and copper powder in certain proportion, and the reacted catalyst system may be recovered for reuse.
该催化系统由固体强酸离子交换树脂、有机溶剂和铜粉以一定比例组成，该催化系统在反应后可再回收循环利用。
The process for disposing the acid sludge can reduce the cost of acid-removal, improve the acid-removal efficiency and improve the quality of recovered oil sludge.
该处理石油酸渣的工艺可以降低除酸成本，提高除酸效率并提高回收油渣的质量。
By treating this precipitate with nitrous acid followed by a recrystallization process, copper (II) nitrate was recovered in 82.32% yield.
该沉淀经硝酸溶解和浓缩结晶可以得到硝酸铜，其回收率为82.32%(以铜含量为基准)。
Indium, copper and silver can be recovered from industrial wastes containing indium, copper and silver by dissolving with acid-removal indium by hydrolyzing - precipitating silver by chlorination.
对含铟铜银废料以酸溶—水解除铟—氯化沉银工艺处理，可分离出铟、铜、银。
Indium, copper and silver can be recovered from industrial wastes containing indium, copper and silver by dissolving with acid-removal indium by hydrolyzing - precipitating silver by chlorination.
对含铟铜银废料以酸溶—水解除铟—氯化沉银工艺处理，可分离出铟、铜、银。
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