英汉例句

• The method that extending the stripping time and adding sodium sulphide to break the complexation was used to improve the efficiency of air stripping.

  采用延长吹脱时间和加入硫化钠破坏络合作用的方法，提高吹脱效率。

• Paper-plastic-braided composite packaging boag for sodium sulphide belongs to an improvement of the structure of package for railway transportation.

  硫化堿纸塑编复合包装袋，属于铁路运输包装结构的改进。

• By adding sodium sulphide to depress quartz in the cleaning, high grade fluorite concentrate can be gained, whose content of silicon is under 1.0%, grade is over 97% and recovery is higher than 87%.

  同时采用精选补加硫化钠抑制石英，得到了含硅量低于1.0%，品位高于97%，总回收率高于87%的高品级萤石。

• In accordance with the market demand of sodium sulphide at home and abroad in recent years, a new product, the high purity white sodium sulphide crystal with concentration of 45% Na_2S was prepared.

  针对近几年国内外硫化堿市场需求，研制出了一种硫化钠质量分数为45%左右的白色高纯结晶硫化钠新产品。

• A waste alkaline liquor produced in the process of oil refining contains high concentration sodium sulphide and mercaptan sodium etc, which needs treatment before its neutralization.

  炼油厂生产过程中产生的废堿液，含有浓度很高的硫化钠，硫醇钠等恶臭物质，在中和废堿液前需对其进行处理。

• This paper discusses the method for measurement of heavy metal (calculate by Pb) by sodium sulphide -glycerine solution instead of saturated hydrogen sulphide solution.

  探讨了用硫化钠-丙三醇溶液代替饱和硫化氢水溶液进行重金属(以铅计)测定的分析方法。

• Proper sodium sulphide can increase the floating speed of Cu mineral in slag and Cu grade of concentrate on the premise that the desired recovery is gained.

  探讨了硫化钠的作用机理，硫化钠可提高铜矿物浮游速度，在预期回收率前提下提高铜精矿品位。

• The influence of slimes on flotation process, action mechanism of sodium sulphide and amine flotation mechanism are also discussed in the light of testing results.

  文中还结合试验结果对浮选过程中有关矿泥的影响、硫化钠的作用及胺法浮选工艺的实质作了讨论。

• Additions of sodium sulphide can promote greatly the collector-free flotation of pyrite, showing sodium sulphide has good induced effect on pyrite flotation.

  硫化钠的添加，明显促进了黄铁矿的无捕收剂浮选，黄铁矿有良好的硫化钠诱导浮选。