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calcium hydroxide solution
相关语句
  氢氧化钙溶液
     The influences of different calcinations regulation and concentration of calcium hydroxide solution on the granularity of superfine calcium carbonate in the solid-liquid-gas system (Ca(OH)_2-H_2O-CO_2) are discussed.
     通过对比实验,探讨了固-液-气三相系统(Ca(OH)2-H2O-CO2)制备超细碳酸钙过程中不同煅烧制度和氢氧化钙溶液浓度对超细碳酸钙粒度的影响。
短句来源
     The calcinations regulation of limestone and the concentration of calcium hydroxide solution have effects on the granularity of the calcium carbonate crystal.
     石灰石原料的煅烧制度和氢氧化钙溶液的浓度将影响碳酸钙结晶的粒度。
短句来源
  “calcium hydroxide solution”译为未确定词的双语例句
     Surface tension of the calcium hydroxide solution is higher than that of water when the concentration of additive is the same.
     但同浓度下,石灰水溶液的表面张力要高于水溶液的表面张力。
短句来源
     The optimum extraction conditions were determined by orthogonal design method as follows. Extraction temperature was 25 ℃,extraction time was 35 minutes,mass ratio of saturated calcium hydroxide solution to orange peel was 4∶ 1,and frequency of ultrasonic wave was 25 kHz.
     以精制橙皮甙收率为评价指标,利用正交实验L9(34)筛选最佳工艺条件为:超声提取温度25℃、超声时间30min、饱和Ca(OH)2溶液与柑橘皮质量比4∶1、超声频率25kHz。
短句来源
     Under the optimal process, the feed-grade dicalcium phosphate could be produced by neutralization of the leach liquor with calcium hydroxide solution, filtration and then dryness.
     在最佳工艺条件下,水浸脱氟液经氢氧化钙中和及过滤、烘干得到了合格的饲料级磷酸氢钙产品。
短句来源
     Other cations such as Mg 2+, Fe 3+, Fe 2+, Mn 2+ were removed by the intrusion of newly formed calcium hydroxide solution by controlling pH at 10-12. The remaining Al 3+ and Ca 2+ were eliminated by salvolatile hydrolyzation which stabilized the solution at about pH=7.35. Before the potassium tetraphenylborate gravimetry method, the introduced ammonia was removed by low temperature (T<473K) calcining to avert ammonium tetraphenylborate precipitation.
     实验表明:利用Ca(OH)2除杂,溶液pH值须控制在10~12; 碳酸铵双水解反应后,溶液pH值须控制在7.35左右以除尽Ca2+和Al3+;
短句来源
     The results show that air entraining admixture and shrinkage-reducing admixture can decrease surface tension of water and Ca(OH)2 solution observably. Water-reducing admixture can reduce surface tension of water but has no notable effects on surface tension of saturation calcium hydroxide solution.
     研究表明,引气剂、减缩剂可以大幅降低水及饱和Ca(OH)2溶液的表面张力,减水剂可以降低水的表面张力,但在饱和石灰水中表面活性碱弱。
短句来源
  相似匹配句对
     It can use in the solution of calcium hydroxide for a long time.
     可长期在氢氧化钙溶液中使用。
短句来源
     solution;
     溶液;
短句来源
     solution.
     溶液进行对照。
短句来源
     ON ACIDITY OF HYDROXIDE IN AQUEOUS SOLUTION
     氢氧化物在水溶液中的酸碱性
短句来源
     Study on the situ production of calcium hydroxide particle under the polyacrylamide solution
     聚丙烯酰胺原位合成氢氧化钙颗粒的研究
短句来源
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  calcium hydroxide solution
The influence of microalloying vanadium or titanium on improving the corrosion resistance of mild steel in saturated calcium hydroxide solution was investigated.
      
Brittle fracture of high-strength steels in a calcium hydroxide solution
      
The fibers were treated with a saturated aqueous calcium hydroxide solution for various periods and their apatite-forming ability was examined in a simulated body fluid (SBF).
      
Apatite-forming ability of alginate fibers treated with calcium hydroxide solution
      
The phosphate-modified oxide resulting from this reaction was further treated in calcium hydroxide solution to form nano-clusters of poorly crystallized HA within the oxide network.
      
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The nicotine is extracted by immersing the tobacco in calcium hydroxide solution. Through the double extraction of trichloroethylene,on the condition of pH=11,the low purity nicotine is taken by the normal distillation. On these conditions, pressure is 4.0~6.5kPa, temperature is 160~170℃,the high purity native nicotine is taken by the vacuum distillation, the purity of the product is above 98%, the yield is above 68.7%.

烟草中的烟碱用石灰水浸提。在pH=11的条件下,经三氯乙烯二次萃取,常压蒸馏获得烟碱粗品。再在压力为40~65kPa,温度为160~170℃条件下,减压蒸馏获得天然烟碱,产品含量可达98%以上,收率达687%。

Hesperidin was extracted with saturated calcium hydroxide solution as solvent from orange peel by ultrasonic wave treatment.The optimum extraction conditions were determined by orthogonal design method as follows.Extraction temperature was 25 ℃,extraction time was 35 minutes,mass ratio of saturated calcium hydroxide solution to orange peel was 4∶ 1,and frequency of ultrasonic wave was 25 kHz.The average extraction rate of hesperidin and relative standard deviation were 2.32% and 0.91%( n =3) respectively....

Hesperidin was extracted with saturated calcium hydroxide solution as solvent from orange peel by ultrasonic wave treatment.The optimum extraction conditions were determined by orthogonal design method as follows.Extraction temperature was 25 ℃,extraction time was 35 minutes,mass ratio of saturated calcium hydroxide solution to orange peel was 4∶ 1,and frequency of ultrasonic wave was 25 kHz.The average extraction rate of hesperidin and relative standard deviation were 2.32% and 0.91%( n =3) respectively.

在超声波作用下,用饱和Ca(OH)2水溶液浸提、盐酸酸析,从柑橘汁加工下脚料———柑橘果皮中提取橙皮甙。以精制橙皮甙收率为评价指标,利用正交实验L9(34)筛选最佳工艺条件为:超声提取温度25℃、超声时间30min、饱和Ca(OH)2溶液与柑橘皮质量比4∶1、超声频率25kHz。按优选的最佳工艺实验3次,精制橙皮甙平均收率达2 32%(为常规浸提法的1 61倍),相对标准偏差(RSD)为0 91%(n=3)。

One-step defluorination technology in the preparation of feed-grade dicalcium Phosphate from triple superphosphate was introduced. Under the optimal process, the feed-grade dicalcium phosphate could be produced by neutralization of the leach liquor with calcium hydroxide solution, filtration and then dryness. The process fully utilized water-soluble calcium ion and decreased consumption of material and preparation.

 介绍了在重过磷酸钙水浸提取磷过程中,采用混合脱氟剂一步脱氟工艺的试验研究;在最佳工艺条件下,水浸脱氟液经氢氧化钙中和及过滤、烘干得到了合格的饲料级磷酸氢钙产品。该工艺充分利用了重过磷酸钙中的水溶钙成分,显著降低了原料消耗及制备费用。

 
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