降壓氣室 的英文怎麼說
中文拼音 [jiàngyāqìshì]
降壓氣室
英文
pressure reducing reservoir-
By analyzing and predicting the microclimate in greenhouse in typical weathers, the conclusions are that high temperature with low humidity weather and high temperature with high humidity appear one after the other. the measures are proposed as the followings : to the former, it should be taken to decrease the temperature with soppy shade - fan or spray inside or outside ; to the latter, it should be taken to enlarge the ventilation area, to fit spray apparatus at the top of roof outside, to adopt havelock outside instead inside, to coat the roof white, etc
通過對典型天氣下溫室小氣候變化規律分析和預測,其結論是:從7月中旬到8月中下旬,室內相繼出現高溫低溫和高溫高濕天氣,建議分別採取的適宜措施是:濕簾-風機降溫、高壓噴霧降溫、屋頂噴淋降溫和增大屋頂通風窗的通風面積、安裝屋頂噴淋(霧)設備、改溫室內遮陽為外遮陽、塗白溫室屋頂等。The production and operations of the company suction fan and water poon cooling equipment, known as the new generation of wang ventilation cooling, cooling dust removal of the air smell, improve air quality with a good performance, can be widely used in industrial production, plastic injection, automobile maintenance, petrochemical, paint electroplating, logistics, warehousing, horticultural greenhouses, public facilities and other fields
公司生產經營的負壓式風機及水濂降溫設備,號稱新一代的通風降溫王,對于降溫除塵、去除空氣異味,提高空氣質量具有良好效能,可廣泛應用於工業廠房、塑料澆注、汽修保養、石油化工、烤漆電鍍、物流倉儲、園藝溫室、公共設施等領域。The production and operations of the company suction fan and water poon cooling equipment known as the new generation of wang ventilation cooling cooling dust removal of the air smell improve air quality with a good performance can be widely used in industrial production plastic injection automobile maintenance petrochemical paint electroplating logistics warehousing horticultural greenhouses public facilities and other fields
公司生產經營的負壓式風機及水濂降溫設備,號稱新一代的通風降溫王,對于降溫除塵、去除空氣異味,提高空氣質量具有良好效能,可廣泛應用於工業廠房、塑料澆注、汽修保養、石油化工、烤漆電鍍、物流倉儲、園藝溫室、公共設施等領域。The quality of buffer layer and thin films was analyzed by afm, xrd, rheed and xps respectively. the effect of the experimental parameters such as carbonization time, working pressure, c source gas flow rate, carbonization temperature, different carbonization gas and substrate on the carbonization process was studied firstly. it was observed that the size of particles was increased with the increase of carbonization time and the rms was opposite, but the trend was reduced while the carbonization time was long enough ; the size of particles was increased with the increase of working pressure too, and choosing a proper working pressure could get a smooth surface ; the size of particles was unobviously changed while the gas flow rate was low, but it was notability increased with the increase of gas flow rate while the gas flow rate was high enough, and a smooth surface could be also obtained by choosing a proper gas flow rate ; with the increase of carbonization temperature, the size of particles was increased, the rms is decreased and a good single - crystalline carbonization layer could be obtained, but a rough surface was formed at a excessive high temperature ; the rms of
對于碳化工藝,側重研究了碳化時間、反應室氣壓、 c源氣體的流量、碳化溫度以及不同種類的c源氣體、基片取向等因素對碳化層質量的影響,研究結果表明:隨著碳化時間的增長,碳化層的晶粒尺寸隨之變大,表面粗糙度隨之降低,但當碳化到一定時間之後,碳化反應減緩,碳化層的晶粒尺寸以及表面粗糙度的變化幅度變小;碳化層的晶粒尺寸隨反應室氣壓的升高而變大,適中的反應室氣壓可得到表面比較平整的碳化層;在c源氣體的流量相對較小時,碳化層的晶粒尺寸隨氣體流量的變化不明顯,但當氣體流量增大到一定程度時,碳化層的晶粒尺寸隨氣體流量的增大而明顯變大,同時,適中的氣體流量得到的碳化層表面粗糙度較低;碳化溫度較低時,碳化層的晶粒取向不明顯,隨著碳化溫度的升高,碳化層的晶粒尺寸明顯變大,且有微弱的單晶取向出現,但取向較差,同時,適中的碳化溫度可得到表面平整的碳化層;相比于c _ 2h _ 2 ,以ch _ 4作為c源氣體時得到的碳化層表面平整得多;比起si ( 100 ) ,選用si ( 111 )作為基片生長的碳化層的晶粒取向一致性明顯更好。At the appropriate pressure, the chamber is opened to a high-vacuum pumping system that continues to reduce the pressure of the process chamber.
在適當的壓強下,工藝室被接通高真空泵系統抽氣,以繼續降低工藝室的壓強。If there is no vent - pipe, the most mirage and muddy air that given out by bath king will stay on the ceiling of bath room, and air pressure has not decreased yet, so fresh air can not enter in sufficiently
如果不接近風管或不將通風管通往室外,則由浴霸換氣口排出的霧氣、濁氣將有絕大部分沉積在浴室吊頂上方。浴室內氣壓幾乎沒有降低,則新鮮干凈的空氣就不會充分補充到浴室內。The main work and conclusion for this paper is as following : according to the flashover test results of several kinds of iced insulators under positive voltage and negative voltage, this paper obtained : for the single porcelain insulator, the single glass insulator and the composite insulator bridged completely by icicle, the metal cathode ' s strong ability of emission electron is the primary reason that results in the lower negative flashover voltage ; the position difference of the high resistance district in method anode side results in that porcelain insulator cluster and glass insulator cluster have an evident effect of polarity ; when less ice and no icicle at the brim of the sheds, due to numerous non - polar arcs on the composite surface, the effects of polarity of composite insulator was lost using the test method of the average flashover voltage in the freezing period, dc flashover performances were investigated of several insulators with some typical structures and different material
本文的主要工作和結論如下:在人工氣候室內,根據不同覆冰絕緣子正、負極性下的閃絡試驗結果,得出負極性電弧金屬陰極的強電子發射能力造成了單片瓷、玻璃絕緣子及被冰凌橋接的合成絕緣子有較低負極性冰閃電壓;正極性電弧金屬陽極側產生高電阻區所處位置的差異使得瓷和玻璃絕緣子串具有明顯的極性效應;覆冰較少時,合成絕緣子表面出現數量較多的非極性電弧使合成絕緣子無極性效應。利用覆冰期內平均閃絡電壓的試驗方法,對不同材質和結構的絕緣子在覆冰、低氣壓和污穢共存環境中的直流閃絡特性進行了研究。試驗結果表明,直流平均閃絡電壓隨著海拔的升高、覆冰量的增加以及污穢度的增加而降低,且其特徵指數與絕緣子結構、覆冰量、覆冰狀態、污穢度等有關。The main simulation results were as follow : the average energy of electron decreases with the increasing pressure ; it decreases with the increasing methane concentration in the filling gas in the lower pressure range and increases in the higher pressure range ; the number density of fragment h and ch3 does not always increases with the gas pressure, but reaches an individual maximum ; energy carried by neutral dissociative fragment ch3 decreases with increasing gas pressure and ch4 concentration
主要結果如下:平均電子能量隨著反應室內氣壓的增加呈下降趨勢;在較低氣壓范圍內平均電子能量隨著反應源氣體中甲烷濃度的增加而減少;在較高氣壓范圍內平均電子能量則隨著甲烷濃度的增加而增加;隨著氣壓的增加碎片h和ch _ 3的數目並不是一直增加的,而是在不同的特定氣壓下出現各自的最值;碎片攜帶的能量基本隨甲烷濃度和氣壓的增加而減小。Abstract : the causes for low efficiency of the heater in no. 2 crude unit of jpc refinery are described and analyzed including water leaking of steam soot blower, dew point corrosion caused by steam, soot deposits in convection chamber owning to poor soot blowing, high flue gas temperature, no heat recovery of flue gas, and poor performance of insulation lining, etc. by using sonic soot removing system, flue gas recovery system, spray coating of fiber and rock wool, as well as adjustment of flow scheme accordingly in the technical revamping. the dew point corrosion is completely eliminated, the insulation performance is improved, the heat loss is reduced by 1. 25 %, the flue gas temperature is reduced to about 170, and the heater efficiency is increased from 83 % to more than 90 %
文摘:分析了金陵石油化工公司煉油廠二套常減壓裝置加熱爐存在的因蒸汽吹灰器漏水,蒸汽引起露點腐蝕及吹灰效果差造成對流室積灰,排煙溫度高,煙氣熱量未回收利用以及爐子保溫襯里效果差等問題,提出採用聲波除灰系統、煙氣回收系統、纖維噴塗和巖棉噴塗及相應的流程調整等改造措施.測定結果表明,本次技術改造解決了因蒸汽吹灰器漏水所造成的露點腐蝕問題,提高了保溫效果,減少散熱損失1 . 25 % ,排煙溫度降至170左右,裝置的爐效率由83 %左右提高到90 %以上The causes for low efficiency of the heater in no. 2 crude unit of jpc refinery are described and analyzed including water leaking of steam soot blower, dew point corrosion caused by steam, soot deposits in convection chamber owning to poor soot blowing, high flue gas temperature, no heat recovery of flue gas, and poor performance of insulation lining, etc. by using sonic soot removing system, flue gas recovery system, spray coating of fiber and rock wool, as well as adjustment of flow scheme accordingly in the technical revamping. the dew point corrosion is completely eliminated, the insulation performance is improved, the heat loss is reduced by 1. 25 %, the flue gas temperature is reduced to about 170, and the heater efficiency is increased from 83 % to more than 90 %
分析了金陵石油化工公司煉油廠二套常減壓裝置加熱爐存在的因蒸汽吹灰器漏水,蒸汽引起露點腐蝕及吹灰效果差造成對流室積灰,排煙溫度高,煙氣熱量未回收利用以及爐子保溫襯里效果差等問題,提出採用聲波除灰系統、煙氣回收系統、纖維噴塗和巖棉噴塗及相應的流程調整等改造措施.測定結果表明,本次技術改造解決了因蒸汽吹灰器漏水所造成的露點腐蝕問題,提高了保溫效果,減少散熱損失1 . 25 % ,排煙溫度降至170左右,裝置的爐效率由83 %左右提高到90 %以上By improving surface condition of parts and one shot seal - off clean room grade, using ultrasonic vapor phase cleaning process, the inner parts of vacuum interrupter get cleaner. movable particles have been diminished by automatic current ageing, power frequency hi - voltage ageing and dynamic high current ageing. as the dielectric strength of clearance in vacuum interrupter improved, the probability of re - ignition in test drops evidently
通過提高零件表面加工質量,改善一次封排間的真空衛生條件、制定合理的超聲波氣相清洗工藝提高管內潔凈度,採用自動電流老煉、超高壓工頻老煉、大電流動態老煉等工藝進一步消除真空滅弧室內活動性微粒,可提高真空滅弧室真空間隙介質強度,使真空開關投切電容器組的重燃率大大降低,並通過實驗驗證真空開關投切電容器組的重燃率在製造工藝改進後由原來的10 . 7 %降低至1 . 3 % 。It needs a long time for the malfunction gas to permeate to reach a balanced state. a measuring method under unbalanced state based on equal time interval sampling is proposed. it not only decreases the difficulty in designing the gas cell, but also increases the real - time of measurement
因為變壓器油中的故障氣體與氣室中的故障氣體達到平衡需要較長的時間,所以本文提出了一種基於等時間間隔的非平衡態測量方法,不但降低了氣室設計的難度,而且提高了測量的實時性,保證了測量精度。分享友人