Hydrogen peroxide or caustic soda can also be used to kill bacteria, but it pollutes the water and harms plants, says ms Mehra.
按梅菈的说法，虽然可用双氧水和苛性钠杀菌，但这会造成水质污染并对植物有害。
The process was discovered by John Mercer in 1850 when he noticed that cotton undergoes a general swelling and shrinking when it is treated with caustic soda solution.
该工艺是杰恩·默瑟在1850年发明的，他发现棉经过苛性钠处理后，会有膨胀和收缩现象。
The experiments demonstrate that this is a new method of production, It will in a certain sense improve the process of manufacturing pure sodium and caustic soda.
实验证明；这是一种可以制取高纯钠和高纯烧碱的新方法。此新方法可能对改进制钠工业和烧碱工业具有一定的意义。
Generally, sodium silicate solutions are used for monomer sources added with caustic soda solutions for activation of leaching out of fillers.
通常以硅酸钠水溶液作为单体硅源，氢氧化钠溶液作为碱激发剂以提高原料的溶出性。
Some of the color usually stays on while its in the caustic soda, but it wipes right off.
一些通常的颜色，而停留在其在烧碱，但马上擦拭。
Then I take the caustic soda and boiling water.
然后我加入氢氧化钠使水沸腾。
These are standard threads which have had the rough fibers 'gassed' off and which have been immersed in caustic soda to swell the fibers.
这种线是普通的线。粗纤维经过烧毛处理，然后浸入苛性的苏打水中，使纤维膨胀。 收藏。
Application of new process and new technology in ionic membrane caustic soda production. Its economic and social benefit were introduced.
介绍了离子膜烧碱生产中的新工艺、新技术的应用及产生的经济效益和社会效益。
Caustic soda is a base which reacts with hydrochloric acid to give water and sodium chloride.
苛性钠是一种碱，它与盐酸起反应生成水和氯化钠。
Other materials, such as sulfuric acid, caustic soda and ethanediol, can be purchased form the factory nearby.
聚甲醛生产中其他原料如硫酸、烧碱和乙二醇可在周边生产厂家采购。
The work principle, characters, work parameters of new screw-type air compressors with air cooling are introduced, as well as the usage results in caustic soda production.
介绍了新型风冷型螺杆式空气压缩机的工作原理、特点、工作参数及其在烧碱生产中的应用效果。
This paper introduced the technology of electroosmosis film used in the production of caustic soda and boiler supply water treatment, its profits, together with the equipment producers.
本文介绍了电渗析膜技术在烧碱生产和锅炉给水处理中的应用效益及其设备生产厂家。
The concentration of discharge caustic soda depends mainly on the pressure of fresh steam and vacuum.
控制出碱浓度的因素主要有两个：生蒸汽压力和真空度。
Sea cucumber manufacturers have also reportedly used caustic soda to keep their products fresh for a longer time.
不良商贩甚至使用有毒的火碱让海参保鲜。
Principles and characteristics of prilling technique by vibration spraying are introduced in detail, as well as the application in caustic soda production.
详细介绍了振动喷流造粒技术的原理、特点及其在粒状烧碱生产中的应用。
Wool will dissolve in caustic soda solutions that would have little effect on cotton.
在苛性钠溶液中羊毛会溶解，而苛性钠对棉的作用却很小。
Causes and harms of the stray current corrosion in caustic soda production were introduced.
介绍了隔膜烧碱生产中杂散电流腐蚀产生的原因及危害。
This paper introduces the defects of brine purification in the dosing process of caustic soda and proposes method to reduce brine cost with electromagnetic flow meter.
主要介绍了我厂卤水净化在烧碱的加药过程中存在的缺陷及如何改进使用电磁流量计，降低卤水成本。
Application status of DCS controlling system in caustic soda evaporation was introduced. Partial models and controlling technology were discussed.
介绍了DCS控制系统在烧碱蒸发中应用情况，探讨了部分模型及控制技术问题。
The capacity of evaporation equipments is above 30% than before, and steam consumption of caustic soda dropped 15.4%.
投运3个月的考核结果表明蒸发装置产能提高30%，烧碱汽耗下降15.4%。
The application of Yokogawa distributing CS3000 controlling system in ionic membrane caustic soda production was introduced.
介绍了横河公司的分布式控制系统CS3000在离子膜烧碱生产过程中的应用。
Sulphate pulp: Alkaline pulp made from wood chips cooked under pressure in a solution of caustic soda and sodium sulphide.
重硫酸盐浆：把木片在苛性钠和硫酸钠溶液内加压蒸煮而成的碱性浆。
The causes of liquid caustic soda loss during the liquid caustic soda electrolyte evaporation process were analyzed, and preventive measures were proposed.
分析了液碱电解液蒸发工艺过程中液碱损失的原因，并提出了预防措施。
The importance of control to time of caustic soda corrosion and anodic oxide technology is pointed out.
指出控制碱腐蚀时间和阳极氧化工艺参数的重要性。
The flake caustic soda was analysed from aspects, including process, equipment and control operation. The effective measures for ensuring improvement of flake caustic soda were put forwards.
从生产片碱的工艺、设备、控制操作等方面进行分析，提出了确保片碱产品产、提高质量的有效措施。
The flake caustic soda was analysed from aspects, including process, equipment and control operation. The effective measures for ensuring improvement of flake caustic soda were put forwards.
从生产片碱的工艺、设备、控制操作等方面进行分析，提出了确保片碱产品产、提高质量的有效措施。
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