查询词典 ventilating fan

Shenling has taken part in drafting the national standards: Dehumidifiers, energy efficiency limit value of the Chillers and its energy efficiency ratio grade, energy efficiency limit value of the Packaged Air Conditioner and its energy efficiency ratio grade, Rooftop Air-conditioners, Vapor Compression Cycle Chillers, For Industry and Commerce Use and Similar Purpose Chillers, Packaged Air Conditioners, Changeable Air Amount Terminal Units, Aeration Equipment for Air Energy Reclaiming, core documents of quality standards for constructing project products, Positive Displacement Compressing Condensers, Heat Pump Chillers,Modular Air Handling Units,screw type refrigerant compressors, Purchase specification on heating Ventilating and air conditioning equipment for chemical plant.

申菱公司参与起草的产品国家标准：除湿机、冷水机组能效限定值及能源效率等级、单元式空气调节机能效限定值及能源效率等级、屋顶式空气调节机组、蒸气压缩循环冷水机组工商业和类似用途的冷水机组、单元式空气调节机、空调变风量末端装置、空气——空气能量回收通风装置、建设工程产品质量标准核心条文、容积式压缩冷凝机组、热泵热水机、组合式空调机组、螺杆式制冷剂压缩机、化工暖通空调设备采购规定。

Shenling has drafted the following national standards independently: air handling units for operation room, entire fresh air type dehumidifier units and low temperature packaged air conditioners.shenling has taken part in drafting the national standards: dehumidifiers, energy efficiency limit value of the chillers and its energy efficiency ratio grade, energy efficiency limit value of the packaged air conditioner and its energy efficiency ratio grade, rooftop air-conditioners, vapor compression cycle chillers, for industry and commerce use and similar purpose chillers, packaged air conditioners, changeable air amount terminal units, aeration equipment for air energy reclaiming, core documents of quality standards for constructing project products, positive displacement compressing condensers, heat pump chillers,modular air handling units,screw type refrigerant compressors, purchase specification on heating ventilating and air conditioning equipment for chemical plant.

参与起草的16项国家或行业标准是：gb/t 19411-2003《除湿机》、gb 19577-2004《冷水机组能效限定值及能源效率等级》、gb 19576-2004《单元式空气调节机能效限定值及能源效率等级》、jb/t 10538-2005《防爆除湿机及空调机》、gb/t 20738-2006《屋顶式空气调节机组》、gb/t 18430.1-2007《蒸气压缩循环冷水机组第1部分：工业或商业用及类似用途的冷水机组》、gb/t 17758《单元式空气调节机》、jb/t《空调变风量末端装置》、gb/t 21087-2007《空气-空气能量回收通风装置》、《建设工程产品质量标准核心条文》、gb/t 21363-2008《容积式制冷压缩冷凝机组》、gb/t 21362-2008《商用或工业用及类似用途的热泵热水机》、gb/t 14294《组合式空调机组》、gb/t 14296 《空气冷却器与空气加热器》、gb/t 19410《螺杆式制冷剂压缩机》、hg/t 20697-2007《化工暖通空调设备采购规定》。

Presents the design of heating ventilating and air conditioning systems in which low temperature hot water floor panel heating systems in winter,variable refrigerant volume split air conditioning systems in summer,and central ventilation systems through all-year are adopted.

介绍了该工程的供暖系统、空调系统及通风系统的设计。冬季采用低温热水地板辐射供暖，夏季采用变制冷剂流量多联分体式空调系统供冷，全年采用集中新风系统供给新风。

Xinle HuaBao Plastic Film Co.,Ltd.imports internationaladvanced production lines,by virtue of new technology and super technique of production ,deals with the exploitation,research and production of various plastic film.S o our company is a professional factory that produces high grade PEBA ventilating film and tri-layer co-extruded PE punching base material film at domestic.

新乐华宝塑料薄膜有限公司，引进具有国际先进水平的生产线，凭借新工艺和高超的生产技术从事塑料薄膜的开发、研制、生产，是当今国内生产高档PEBA透气膜、三层共挤PE打孔基材膜的专业厂家。

In combining with the example project of Guanjiayu ventilating shaft of Dongshan Coal Mine,the basic principle, exploration ways and data processing of radon measure technique for fire exploration are introduced,which can confirm the position of coal spontaneous combustion fire.

结合东山煤矿观家峪进风井火区治理工程应用实例，介绍测氡探火技术确定煤层自燃火源位置的基本原理、探测方法及数据处理过程等。

Animal experiments and clinical observation have proved Scolopendra, Bombyx Batryticatus, Uncaria and Arisacma Consanguineum have antiepileptic effects of suppressing the shock, expelling the wind , removing the phlegm and ventilating the gas.

以往的动物实验及临床观察已证实了蜈蚣、僵蚕、钩藤、制南星具有镇惊、熄风、豁痰、顺气等抗癫痫作用，但由这四味药组成的复方对遗传性癫痫大鼠的失神样小发作是否具有对抗作用并未见报道。

The results showed: the most important factor which influenced the concentration of indoor formaldehyde was the slather using of building decoration materials, then were ventilating rate and frequency.

结果表明，室内甲醛浓度最主要的影响因素是大量建筑装饰材料的使用，其次是通风换气量及频次。

Especially the ventilating duct that draw materials becomes at vitreous steeliness and its accessory, it is the new product that

它容重小(2.1T/m3)抗侵蚀、抗衰退、烈度高，因此寿运长，特别适宜于湿润和有酸碱的声所。

A small hook called a "ventilating needle", similar to the tambour hooks used for decorating fabric with chain-stitch embroidery at that period, is used to knot a few strands of hair at a time directly to a suitable foundation material.

一种很小的带孔钩针，类似绣花针，就是以前使用绣花绷子把布料绷起来在上边绣花的那种绣花针，人们使用这种钩针，一次把几根头发直接钩进用特殊材料制成的假发底上。

We find these microscope characters through research are as follows:ratio betweenstoma\'s length and wide,stoma density and stoma index,the shape of epidermalcells,the anticlinal wall,palisade\'s layer,the type of ventilating cavity,type of limb,trichome ect.

这表明了25种植物的叶片既具有中生植物又兼有旱生和湿生植物的部分结构特征，这些现象说明了这些特征是这些植物对高寒地区低氧、低温、强辐射等自然条件长期适应的结果。7。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。