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- The acrylate-acrylamide copolymers [PAA] were synthesized.The effect of pour point depressants on the rheological properties and the pour point depress mechanism were investigated. 合成了丙烯酸二十二酯-丙烯酰胺共聚物(PAA)降凝剂,考察了降凝剂对原油流变性能的影响,并探讨了降凝剂的降凝机理。
- The motor car disappeared in eddy of dust. 汽车在一片扬尘的涡流中不见了。
- The forest will act as a defense against desert dust. 森林能起防御沙漠灰沙的作用。
- Structural Deformation Analysis and the Depressing Mechanism of Bohai Basin 渤海盆地构造变形分析及其拗陷机制
- The car raised quite a dust as we drove off. 我们走时车子扬起了一阵尘土。
- A filter traps dust from the air. 过滤网可存住空气中的尘埃。
- How many enemies bit the dust in the battle? 在这次战斗中打死了多少敌人?
- The city lay in the dust after the battle. 战斗结束后,全城成为废墟。
- The dust on the shelf show up in the sunlight. 在阳光照射下能看见架子上有灰尘。
- Depress the space bar on a typewriter. 按下打字机上的空格键
- He flicked away the dust with a cloth. 他用一块布拂去灰尘。
- Dust the repair to prevent adhesion to outer cover. 清整修补处以防与外胎粘连。
- Dust thou art, and unto dust shalt thou return. 你本是尘土就该归於尘土。
- Depress this button to rewind the tape. 按下这个按钮倒带。
- My briefcase was beginning to gather dust. 我的手提箱不怎么使用了。
- The relic, when exposed to air, turned to dust. 这件文物,接触空气之后,变成了粉末。
- You operate the mechanism by winding this handle. 操纵这台机器要转动这个把手。
- The test results were very depressing. 试验的结果令人很失。
- The watch has delicate mechanism. 这块表有精细的机械装置。
- Let's examine into the basic mechanism involved. 让我们把有关的基本结构搞搞清楚。