Objective To evaluate the effect of professional mechanical tooth cleaning ( PMTC) technique on oral hygiene by reviewing the literatures. 目的:通过文献回顾对专业化牙齿清洁技术(PMTC)的特点进行评价。
Factories in the production: Road Marking Reflective glass beads, mechanical shot peening, cleaning up glass beads, color glass beads. 工厂分别生产:道路标线反光玻璃珠、机械喷丸、清理玻璃微珠、彩色玻璃微珠。
This paper describes mechanical cleaning in place of chemical cleaning to clean the scale in vacuum salt making pre-heater with good results in practical application. 本文简述采用机械清洗方法替代化学清洗方法清洗真空制盐预热器中垢层.并在实际应用中取得良好效果。
This aspect is to reduce the pipeline pressure loss, the other is to avoid the path contraction obstacle to the mechanical cleaning pipelines. 这一方面是为了减小管线的阻力损失,另一方面是为了避免通径收缩后给机械清扫管线造成障碍。
The freely programmable steps allow mechanical pre-cleaning, cleaning with a water jet or solvents and drying. 大量的程序步骤让您可预先设置好清洗模式,使用喷水机或清洗剂并干燥。
New oil-water separator in mechanical cleaning system of oil tank 油罐机械清洗系统新型油-水分离装置
The paper introduces in details the first application of COW-the introduced mechanical cleaning equipment from Nippon-in Dongying initial pumping station. 对引进日本的机械清洗设备COW,在东营首站第一次使用的情况做了较详细的介绍。
Application and promotion of tank mechanical cleaning technology in oil field 储油罐机械清洗技术在油田的应用与推广
Nowadays automatic mechanical cleaning system has been gradually applied to large crude tanks, but in China small tanks with less deposit are still cleaned manually. 目前大型原油储罐逐步应用自动机械清洗系统进行清罐作业,而对于容量小、沉积物较少的油罐国内仍采用人工清洗方式进行。
Analyses the scaling causes of heat exchanger for lithium bromide absorption refrigerating machine. Presents scale removing methods including manual cleaning, mechanical cleaning, chemical cleaning and electronic cleaning. 分析了机组换热器表面结垢的原因,介绍了手工清洗、机械清洗、化学清洗、电子除垢等几种处理方法。
The advantages principle technique parameter and equipment of hydraulic cleaning sand are introduced by comparing the characteristic of the hydraulic cleaning with mechanical cleaning and chemical cleaning. 通过比较水力清砂与机械清砂、化学清砂的特点,介绍了水力清砂的优点、原理、工艺参数及设备。
The method of mechanical force cleaning and design of the cleaning system structure according to the structure characteristic of the curtain cleaning robot is discussed in this paper, and the type structure of three kinds of cleaner is analyzed in detail. 本文根据幕墙清洗机器人的结构特点,讨论了机械力清洗方法以及清洗系统结构的设计,并对三种典型清洗器结构作了较为详细的分析。
A complete bright silver plating process for deluxe tableware including chemical polishing, mechanical polishing, degreasing, cleaning, nickle plating, silver plating and post-treatment is suggested. 介绍餐具光亮镀银的全套实用工艺,包括化学抛光、机械抛光、除蜡、除油、镀镍、镀银、以及镀后处理等。
In polyester production, the EG spray pipeline clogging always occurs, the mechanical cleaning method takes too much time and labour, so hereby the alkaline cleaning method is proposed and the mechanism is discussed. 在聚酯生产中,经常会发生缩聚部分EG喷淋管线堵塞的现象,这时如果用机械的方法清除,则费时费力。
The First Application of COW-the Mechanical Cleaning Equipment of Tank in China 油罐机械清洗设备COW在我国的首次应用
Mechanical cleaning and chemical cleaning for steam generators in nuclear power station 核电站蒸汽发生器的机械清洗和化学清洗
Innovation way of mechanical component cleaning machine in China is described through the development of the special-general type cleaning machine and the improvement of cleaning efficiency and quality so as to match the engineering conditions of China. 根据国情,就开发专通型清洗机和提高清洗效率、清洗质量两个主要问题,论述了我国机械零件清洗机的革新途径。
Mechanical cleaning of large above-ground oil tanks 地面大型油罐的机械清洗
According to the technics process of cleaning, the mechanical structural design of the cleaning equipment is finished. 根据清洗工艺流程,完成了清洗装置的机械结构设计。
Mechanical lever press Traditional cleaning methods of coolers always make the machine stop for takedown and cleaning. 机械式杠杆压力机传统的清洗方法要求停机、拆卸,费时费工,影响生产。
Comparison of washing and cleaning methods for the primary decomposition heater in urea production of total solution recycling method is given, It is recommended that; mechanical cleaning is used for new equipment, chemical washing in used for used equipment. 通过对水溶液全循环法尿素装置一段分解加热器垢物清洗方法的对比,建议对新设备采用机械清洗,对旧设备采用化学除垢的方法。
A Study of Automatic Mechanical Cleaning and Disinfection of Gastroscope Contaminated with Hepatitis B Viruses 内镜清洗消毒机去除胃镜污染乙肝病毒的研究
Mechanical cleaning and TV inspection for secondary-side in PWR steam generators 压水堆核电站蒸汽发生器二次侧的清洗与检查
The scale sample is hard from the methanol regenerator in the low temperature methanol wash process, and mechanical cleaning is difficult. 低温甲醇洗甲醇再生塔垢样坚硬,机械清洗困难。
Nylon woven fabric flux recovery after water cleaning and mechanical cleaning is above 90%. 用水力清洗和化学清洗可有效去除尼龙纺织布污染,通量恢复90%以上。
This paper analysis the influence of the effects in micro-channel plate chemical mechanical polishing cleaning technology after the study of related articles. 通过分析上述影响,明确了获得洁净平整的硅微通道板的重要参数,本文在广泛调研相关文献的基础上对影响硅微通道化学机械抛光清洗技术的因素进行了深入的分析。
Mechanical cleaning technology implementation to local people 'sinterests, so the technology advance by a great resistance. 机械清罐技术实施触动局部人的利益,因此技术推进受到很大阻力。
The function of the mechanical system was improved based on the analysis of the mechanical system of the existing domestic cleaning robot. 在对国内现有家庭清洁机器人机械系统进行详细分析的基础上,对清洁机器人的清扫功能做了一定改进。
Its physical mechanism summed up with ultrasonic cavitation and shock wave, micro-airflow, micro jet that generated after cavitation, and mechanical effect of cleaning fluid vibration itself. 物理机制归结为超声空化及随空化产生的冲击波、微声流、微射流及清洗液振动本身的机械效应。