Comprehensive discussion is made on the importance of decreasing boron content in sea-water magnesia, the factors influencing the content of boron, and the methods of reducing it.
本文综合讨论了海水镁砂降硼的重要性和影响含硼量的各种因素，以及降硼的各种方法。
The difference of magnesia between sea water and brine is discussed in particular.
特别是讨论了海水与卤水镁砂之间的区别。
The research and development of magnesia from sea water and brine in China are demonstrated.
文章论证了我国海水和卤水镁砂的研究与开发。
The characteristics of sea water and brine magnesia are described.
详述了海水与卤水镁砂的特点。
Bring a bottle of Magnesia mineral water to the ski slopes to nourish your muscles, or to the hot springs to hydrate and replenish important minerals.
带一瓶美希亚矿泉水，在滑雪斜坡滋养你的肌肉或者在温泉补充水分和矿物质。
The hardness of water depends upon the amount of salts of lime and magnesia which it contains.
水的硬度是由其含石灰盐和氧化镁的数量决定的。
The invention relates to a prescription of straw coffin and a manufacturing method thereof. The straw coffin is prepared from straw, water, magnesia and magnesium chloride by a certain proportion.
本发明涉及一种秸秆寿材的配方及其制做方法，它由：秸秆、水、氧化镁和氯化镁按比例配制加工而成。
The electrical heating tube is made of U shaped steel tube, sintered magnesia and heating wire. It is immersed directly in the water for preventing heat loss.
电热管用U型钢管，烧结氧化镁和电热丝制成，直接浸在水里热能损耗少。
The electrical heating tube is made of U shaped steel tube, sintered magnesia and heating wire. It is immersed directly in the water for preventing heat loss.
电热管用U型钢管，烧结氧化镁和电热丝制成，直接浸在水里热能损耗少。
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