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- ultrasonic scaling unit 超声洁齿器
- Nonsurgical therapy primarily accompanied with ultrasonic scaling. 非手术式主要以超音波洗牙治疗。
- AIM:To observe the effect of hybrid subgingival scaling(combining ultrasonic scaling with hand scaling) by SEM. 目的:超声龈下刮治结合手工刮治,用扫描电镜的方法观察效果。
- Objective To observe the effect of dental polished surface about extrinsic stain redeposition after ultrasonic scaling and sandblasting respectively. 目的:观察超声洁治及喷砂法去除色素后,牙齿表面抛光对牙外源性色素再沉着的影响。
- After the stains removed by ultrasonic scaling and sandblasting, 32 teeth were divided into polished and control group randomly,all the teeth were immerged into the extrinsic dental stain solution. 结果:经抛光处理后,牙齿表面的外源性色素附着明显减少,抛光组的白色度值明显低于对照组。
- In view of the cage jamming and cage falling caused by begriming from heavy side-wall water on shaft walls which has a serious effect on coal mine safety hoisting, a new scaling unit is developed. 针对煤矿立井淋帮水大,井筒壁严重结垢造成卡罐、坠罐,严重困扰着煤矿安全提升的现状,研制开发了一种新型除垢设备,经实际使用表明除垢效果良好,能适应井筒中恶劣工况下切除水垢,安全可靠。
- Being the basal ecology unit of irrigation system, SWIS was also an aggregation of a number of fields, a much smaller scale unit. 灌区小流域既是灌区流域的基本生态结构单元，又是田块这一更小尺度的集合体。
- In Baosteel Branch's 2030mm Cold Rolling Plant,there is a removing scale unit for improvement of pickling effect close to the pay-off reels of the pickling line. 宝钢分公司2030冷轧酸洗机组在开卷机处装配有一套破鳞辊装置用来提高酸洗效果。该装置投入使用后,由于破鳞辊处带钢跑偏严重、带钢张力波动过大,一直无法正常使用。
- The organophosphorus pesticide wastewater was treated by sequencing batch reactor(SBR). The results of full scale unit show that SBR has characterized by simple structure,easy and convenient operation,and higher removal rate of COD and organophosphorus. 采用 SBR生化法处理有机磷农药废水 ,生产规模试运行结果表明 ,SBR生化法具有装置结构简单、运转灵活、操作方便、COD和有机磷去除率高等特点。
- Rotor system of large--scale unit machine 大型机组电机转子
- The doctors gave him an ultrasonic brain scan. 医生给他做了脑部超声波扫描检查。
- In the view of the control system for hest power engineering, it makes the persistence running of the AGC of the large scale units that burn coal becomes possible. 本控制策略实现了磨煤机启动过程中的燃料量的智能控制,从热工控制的角度使大型燃煤机组AGC的长期连续投运成为可能。
- A unit division of a temperature scale. 度温度刻度的一个单位
- The act of scaling a fortified wall or rampart. 攀登，爬云梯攀登设防的高墙或城垣的行为
- The Curative Effects of Ultrasonic Scaling Device Used in Root Planing: Comparison with Universal Subgingival Scaling 超声洁牙机在根面平整术中的应用
- The effects of metal- tip or carbon- tip ultrasonic scaling on the surface profile of pure titanium 不锈钢洁治器、碳纤维洁治器对纯钛铸件表面形貌的影响
- Advances in the Research on the Theory of Ultrasonic Scaling Technology and Its Application 超声阻垢技术的理论及应用研究进展
- 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。
- This district grew cotton on a large scale. 这个地区过去大量种棉花。
