baryta

1. Besides being the first discoverer of oxygen, Scheele made a number of other most important discoveries: chlorine, manganes and baryta in an investigation on pyrolusite;
   除最早发现火空气（氧），还有许多其它重要发现：研究软锰矿时发现氯、锰和重土（氧化钡）；
2. The control of barium sulfate grains sizes and their distribution during the production of baryta paper is an important technique for controlling the product quality.
   硫酸钡颗粒大小及其分布的控制是钡地纸生产工艺中的一项重要质量控制技术。
3. This paper introduces main research work carried out in the innovation of production technology for improving the tone and whiteness of the photographic paper emulsion and baryta coating, and their achievements.
   本文扼要地介绍了在改进硫酸钡涂料和照相乳剂的色调和白度方面的工艺开发研究和进展。
4. Effect of barium sulfate preparation technology on baryta paper quality
   硫酸钡制备工艺对钡地纸质量的影响
5. Potash feldspar rock is identified as a standard type of middle high hydrothermal solution sedimentary rock in this paper and mainly includes adularia and baryta feldspar.
   钾长石岩是文中确定的一种标准高温热水沉积岩，热水沉积钾长石以冰长石和钡长石为主；

noun

1. any of several compounds of barium