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- Rust and acids are corrosive. 锈与酸都是腐蚀性的。
- Acids are liquid and bases are solids. 酸是液体,而碱是固体。
- Frosted glass is prepared by frosting powder on sale,into which water and acids were added. 对市售的蒙砂粉和作者研制的蒙砂粉，加入水和酸，配置成蒙砂液，以制备蒙砂玻璃。
- The wire must be free from contamination, rust and mechanical damage. 钢丝表面无污染,锈蚀和机械损伤。
- Remove rust and apply paint once a year. 每年应除锈蚀进行一次油漆。
- Temperature, the content of salt and acid were the main processing conditions which affected the quality of the pickles. 温度、加盐量和加酸量是影响盐渍品品质的主要工艺条件。
- The problems of air pollution and acid rain are likely to worsen. 空气污染和酸雨的问题可能会更加严重。
- The problem of air pollution and acid rain are likely to worsen. 空气污染和酸雨的问题可能会更加严重。
- And finally, the acids are converted to methane gas. 最后，有机酸转化为沼气。
- Have you noticed that some metals rust and some don't? 你是否注意到有些金属会生锈，有些则不会?
- The reduce of esters,the increase of acids,and the imbalance of the ratio of esters and acids are the main reasons for washy liquor taste and unpleasant liquor flavor after a period of storage. 酯类物质减少,酸类物质增加,酸酯比例失衡,是低度白酒贮存后口味淡薄、出现不愉快气味的主要原因。影响低度白酒水解的因素有:酒体溶解氧、酒体总酸含量、温度、光线、酒体乙醇分子与水分子的缔合度等。
- Remove the rust and paint with anti-corrosive primer. 除锈后上防锈底漆。
- Be careful with the glass ware, the bases and acids. 小心那些玻璃器皿，里面有碱和酸。
- In many cases, oxidant materials may also be corrosive and/or toxic. 在许多情况下，氧化剂材料还是有腐蚀性和/或毒性的。
- Some acids are strong enough to burn the wood. 有些酸的酸性强得可以烧坏木头。
- A trademark used for a rust and corrosion preventive compound of petrolatum. 卡斯莫兰用于抗氧化剂和抗腐蚀剂的一系列矿脂的商标名
- For the Mo/HZSM5 zeolites with different Mo loading, the state of Mo and acidity were studied by XRD,IR,NH 3TPD and BET methods. 用XRD，IR，NH3TPD和BET等技术研究了Mo/HZSM5分子筛上Mo的体相状态和酸性；
- Betulin and betulinic acid are remarkable natural products. 白桦脂醇和白桦脂酸是非常有价值的天然产物。
- The machines must be well protected against dampness,moisture,rust and shock. 机器包装必须防湿、防潮、防锈、防震。
- Sodium potassium tartrate and tartaric acid are osmotic laxatives. 酒石酸及其钾盐是有渗透作用的泻剂。
