除

Comparison of defluorination effect by bamboo charcoals with different manufactories was conducted in this study.

采用不同产地的竹炭进行除氟研究，分别进行了直接除氟和改性后除氟的效果比较。

The results indicate that in the water contenting about 5~40 mg/L arsenic, the efficiency of equilibrium removing arsenic could reach over 99% under condition of the testing.

实验表明，改性高岭土除砷材料具有良好的吸附除砷性能，在含As5~40 mg/L的水中，在实验条件下平衡除砷率可达99%以上。

The deaerated head is mostly consisted of shell and primary and secondary deaerated devices, on which there are the Inlet of primary heating steam, and the ports of secondary heating steam and exhaust steam as well as the interface of safety valve.

除氧头主要由筒体、一级除氧装置、二级除氧装置等组成。在其上设有一次加热蒸汽进口、二次加热蒸汽口、排汽口、安全阀接口等组成。

Due to the particular configuration, single shell deaerator is provided with many remarkable excellences,for example,the higher heat efficiency,the better deaerating effect and the higher economic ben.

单筒式除氧器也被称为无头除氧器，独特的结构使之具备了热效率高、除氧效果好等许多显著的优点，目前已被国内外众多的发电机组所采用。

The present invention features that fume after dedusting and heavy metal adsorption is fed via fume valve and fume-air heat exchanger to a sea water column desulfurizing system supported by a sea water supply system to eliminate SO2 and a defogging system to eliminate water content and fine dust before exhausted via draught fan and chimney. The slurry after desulfurizing and the dust is fed to an aerating, neutralizing and oxidizing system for exhaust.

其特点是，烟气经过除尘和重金属的吸附经烟气输送系统中所设烟气阀门和气气换热器进入有海水供给系统支持的海水液柱脱硫系统脱除二氧化硫，脱硫后的烟气经除雾系统去除水分和细灰再经引风机通过烟囱排出，脱硫反应后的浆液与脱除的灰尘送至曝气中和氧化系统，达标后通过管道排出。

WANG Zhi-yi, CHEN S, YANG C HSchool of Civil Engineering and Architecture, Zhejiang Sci-Tech University, Hangzhou 310018, ChinaAbstract The cross defrosting cycle was presented in which one air side heat exchanger defrosts by switching over the corresponding four-way valve and the others operate normally.

摘 要：采用四通换向阀换向逆循环除霜，风冷热泵机组系统压力波动剧烈而产生比较大的机械冲击，频繁启动压缩机，影响室内的舒适性与压缩机的寿命，针对逆循环除霜的缺陷，提出了交叉除霜循环的原理和过程。

Contrasts each kind deodorizes the technology, after the analysis sludge composting ozone ingredient, draws the conclusion: Chemistry biology combination deodorizes the craft and the plant extraction deodorizes the craft to unify is suits the sludge composting project the choice.

对比各种除臭技术，分析污泥堆肥臭气成份后，得出结论：化学生物组合除臭工艺与植物液除臭工艺相结合是适合污泥堆肥项目的选择。

The text is about working process and control demand for a control system of removing dust electrically. The control system of removing dust made those company who need to obviating dust take the reins of mature technology, and the efficiency, automatic level have a great elevated.

本文介绍电除尘除灰控制系统的工作流程和控制要求，电除尘除灰系统的应用使得国内电厂等需除灰尘的企业掌握了成熟的除尘技术，除尘的效率、工艺水平及自动化水平有了很大提高。

This paper addresses an essentiality and study methods about the system and gives out the results of calculation and design for the circuit at first,and then presents an electro-dynamical model to calculates key parameters and protracts thei.

电脉冲除冰系统是上世纪80年代以来新兴的飞机用电动-机械式除冰技术，国内关于该方面的研究起步较晚，文中在阐述了电脉冲除冰研究重要性和研究方法后，首先对电容充放电电路进行了分析与设计计算，接着给出电动力学模型，并计算了系统中感兴趣的关键参数，对计算结果进行处理后得到了能够指导设计的重要参数间的关系图，结合工程实例给予了分析与评价，提出了下一步研究解决的问题。

Within guarantee period, all equipments shall be maintained once every half a year, including maintaining circuits of all equipments, clearing oil and gas pipeline and air trunk, dedusting, removing oil left on fume exhaust cover and oil fume pipe line and clearing the oil fume pipeline etc.

一、所有设备的质量保证期为壹年（除人为破坏或不正常使用），保修时间自设备投入使用之日开始，保修期内所有设备每半年保养维护一次，包括所有设备的电路维护、油路、风路的疏通、除杂等；排油烟罩及油烟管的除油及疏通等。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。