同时，水泥中的钙离子也会吸收水分和二氧化碳，形成碳酸钙——碳酸钙是贝壳的主要成分。
Meanwhile, calcium ions in the cement also absorb moisture and carbon dioxide, forming calcium carbonate -- the material found in seashells.
啤酒泡沫环主要成分为高分子肽、多酚物质、碳水化合物、金属离子等。
The main components of beer bubble ring are macromolecular peptides, polyphenol matter, carbohydrate and metal ions etc.
主要成分：绿茶精华、杏仁油、薄荷、阳离子活性剂、高弹性定型因子等。
Main ingredients: green tea essence, almond oil, mint, cationic active agent, high elastic case-hardened cells and etc.
目的了解以银离子为主要杀菌成分的皮肤消毒剂的杀菌效果及安全性。
Objective The silver ion is main antimicrobic ingredients of silver ion skin disinfectant, in order to know its germicidal efficacy and safety.
实验结果表明，等电点沉淀、凝胶柱层析法和阴离子交换法适合于分离水牛乳中主要过敏原成分。
The results showed that the methods of isoelectric precipitation, gel-filtration chromatography and anion-exchange chromatography were suitable for purifying the major allergens in buffalo milk.
主要介绍了目前等离子—熔化极气体保护焊在采用不同的电极连接形式下，不同的电弧形态和熔滴过渡方式，以及电弧成分组成和温度分布；
This paper mainly introduces the different arc shapes, metal transfer modes, compositions of arc and temperature distribution in plasma-GMAW with different electrode connection forms at present;
主要成分：去离子水、精纯橄榄油、水解丝蛋白、保湿因子等。
Main ingredients: Deionized water, Pure Olive Oil, Hydrolyzed silk protein, moisture-preserving factor, etc.
对常见阴、阳离子进行分组、分类检定，并用红外光谱法和差热分析法进行验证，最终确定仿真水晶样品的主要成分为含有部分硅酸盐杂质的铵明矾。
The common ions and anions were grouped and identified one by one. From the result, it was determined that the crystal was mainly made of tschermigite containing impurity silicate.
主要成分：牛奶精华、婴儿润肤乳液、芦荟提取液、去离子纯净水，全棉柔韧水刺布。
Ingredient: Milk, Baby Skincare Softener, Aloe Extract, Deionized Pure Water, Soft Non-woven, fabric.
主要成分：牛奶精华、婴儿润肤乳液、芦荟提取液、去离子纯净水，全棉柔韧水刺布。
Ingredient: Milk, Baby Skincare Softener, Aloe Extract, Deionized Pure Water, Soft Non-woven, fabric.
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