您要查找的是不是：
- Besides entraining air to concrete,the polycarboxylate based AEA may enhance the fluidity and the slump retention ability of concrete. 该类引气剂与常用混凝土减水剂、缓凝剂相容,可与减水剂、缓凝剂复合使用;
- It does harms to the plasticizing ability and slump retention ability of concrete if PC is added together with NSF, MSF or ASF. PC与NSF，PC与MSF以及PC与ASF复合掺加都会削弱塑化效果，且PC与NSF复合掺加时对塑化效果和坍落度保持性的负面作用最大。
- The spillway and the gate structure optimization schemes, and the design plans for the gate lifting power and the retention ability were put forward respectively. 通过该项研究，提出了泄水道及闸门结构优化方案及闸门启门力、持住力设计等咨询意见，并被工程采纳。
- Moisture retention ability of tobacco 烟草保润性能
- The motor car disappeared in eddy of dust. 汽车在一片扬尘的涡流中不见了。
- Study on Water Retention Ability of Pinus massoniana Mixed Forests 马尾松混交林持水性能的研究
- The forest will act as a defense against desert dust. 森林能起防御沙漠灰沙的作用。
- 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。
- He flicked away the dust with a cloth. 他用一块布拂去灰尘。
- Guanidyl acetic acid chitosan has been synthesized with self-made chitosan and 1-chloro-glycocyamine,and its hydroscopicity and moisture retentive ability have been measured consequently. 以自制壳聚糖和1-氯胍乙酸为原料合成胍乙酸壳聚糖,并对其进行吸湿保湿性能测定。
- 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。
- This paper is an elementary research on synthesized compound,and indicates that this compound has hydroscopicity and moisture retentive ability to some extent for potential development. 研究结果表明,合成产物具有一定的吸湿保湿性能,具有进一步开发价值。
- My briefcase was beginning to gather dust. 我的手提箱不怎么使用了。
- A man of great ability like him will eventually reach the top. 像他这样才能出众的人终究会升到最上层的。
- The relic, when exposed to air, turned to dust. 这件文物，接触空气之后，变成了粉末。
