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- stronium sulfate scale 硫酸锶垢
- Organic polybasic phosphonic acid has little impact on barium sulfate scale and strontium sulfate scale. 有机多元膦酸对硫酸钡、硫酸锶无防垢效果；
- A barium sulfate scale inhibitor FBR was prepared by copolymerization of maleic anhydride, acrylic acid and methyl acrylate. 以顺丁烯二酸酐、丙烯酸和丙烯酸甲酯为原料进行共聚反应,制备了防垢剂FBR。
- The results show that: PESA is a good scale inhibitor on barium sulfate scale and strontium sulfate scale.. MA-AA-MAC copolymer is a good inhibitor on calcium carbonate and calcium sulfate. 结果表明：PESA对硫酸钡、硫酸锶垢具有优良的防垢效果；聚MA-AA-MAC对碳酸钙、硫酸钙垢具有优良的防垢效果。
- Scale inhibitors, composed of maleic anhydride-vinyl acetate-sodium allyl sulfonate copolymers(MAP) and aminocarboxylate chelants (PEPA) were synthesized in the lab to prevent the formation of sulfate scales in oil field water. 室内合成了处理油田水硫酸盐垢的马来酸酐 -醋酸乙烯酯 -烯丙基磺酸钠三元聚合物防垢剂MAP和氨羧溶垢剂PEPA。
- barium and strontium sulfate scale 硫酸钡锶垢
- Study of Organic Scale-dissolving Agent for Removing Sulfate Scale 清除硫酸盐垢的有机溶垢剂研究
- Barium sulfate is a radiopaque substance. 钡硫酸盐是一种辐射光不能穿透的物质。
- What color is copper sulfate solution? 硫酸铜溶液是什么颜色？
- The next year the work went ahead on a large scale. 第二年这项工作就大规模进行了。
- The project as being undertaken on a small scale. 这个工程在小规模地进行着。
- The Application of Barium-Strontium Sulfate Scale Retarder in Oil Pipeline 硫酸钡锶阻垢剂在输油管道上的应用
- This district grew cotton on a large scale. 这个地区过去大量种棉花。
- Scale the fish before cooking them. 烧鱼之前先去掉鱼鳞。
- Cleaning technology for sulfate scale in normal temperature and normal pressure 硫酸盐水垢的常温常压清洗技术
- The statue was made to scale, one inch to a foot. 这座塑像是按比例做的，大小是真人的十二份之一。
- I weighed in at100 pounds on the scale today. 我今天在磅秤上称的体重为100磅。
- It is hard to imagine the scale of the universe. 很难想像宇宙有多大。
- They are preparing for war on a large scale. 他们正在大规模地备战。
- He learned to scale a rock face from his father. 他从他父亲那儿学得攀登崖面的技巧。
