Here some wet phosphoric acid purification technologies are presented.
阐述了湿法磷酸净化方法及其研究进展。
Air separation to oxygen and nitrogen is at the heart of water purification technologies.
空气分离为氧和氮是水净化技术的核心。
Make full use of existing conditions of ammonia plant, the purification technologies such as NHD sulfur removal, carbon removal are successfully adopted in co purification plant.
充分利用合成氨装置现有条件，在CO提纯装置上成功采用NHD溶剂脱硫、脱碳净化技术。
Facing to startling water pollution, the study on industrial microbial technologies and microbial flocculant leads a new direction for new century water purification.
面对触目惊心的水质污染，工业微生物技术—微生物絮凝剂的研究为新世纪水质净化引导了新的方向。
Rain Court is an effective natural purification and disposal technologies, is also a bio-retention facilities.
雨庭是一种有效的雨水自然净化与处置技术，也是一种生物滞留设施。
Flue gas purification and industrial dust collection technologies confront new challenges, simultaneously bring new opportunities in China after entering 21st century.
进入2 1世纪，我国烟气净化和工业除尘技术面临新的挑战，同时也有新的机遇。
Membrane technologies for gas separation as one of the main directions of the future gas purification and separation has a glorious prospect.
气体分膜技术作为未来气体净化、分离的主要研究方向之一，具有广阔的研究和应用前景。
Production technologies of food grade calcium hydrogen phosphate such as phosphoric acid purification method, bone glue extraction method and applications are introduced in detail.
本文介绍了国内外食用磷酸钙盐的概况，详细介绍了磷酸净化法、骨胶浸取法等食品级磷酸氢钙的生产工艺以及应用情况。
Taking helium purification as an example, filtration and regeneration methods of metal mesh were put forward based on the technologies at home and aboard, and several filtration models were compared.
以太空条件下的液氦纯化为例，详细介绍了采用金属丝网过滤技术的液氦纯化系统，提出了过滤及再生方案，探讨了各过滤参数对过滤效率的影响，为进一步的试验论证提供参考。
This paper reviews several membrane separation technologies and their applications in the separation and purification of polysaccharides in the past few years.
就几种膜分离技术及其近年在多糖分离纯化中的应用作一综述。
The content of tomatine was 26.48% in crude tomatine after purification with above technologies.
番茄苷粗品经上述工艺纯化后，含量达到26.48%。
The synthesis and purification methods of dihydroxydiphenylsulfone as a developer were reviewed with 22 references, the advantages and disadvantages of different technologies were discussed.
综述了显色剂二羟基二苯砜的合成及精制方法、不同合成工艺的优缺点。
The synthesis and purification methods of dihydroxydiphenylsulfone as a developer were reviewed with 22 references, the advantages and disadvantages of different technologies were discussed.
综述了显色剂二羟基二苯砜的合成及精制方法、不同合成工艺的优缺点。
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