氣凝劑 的英文怎麼說
中文拼音 [qìníngjì]
氣凝劑
英文
aero flocs-
The result of experiment shows that und er the conditions of proper ai r - entraining, concrete with 20 % fly ash has excellent frost - resistance. the frost - resistance of concrete with 55 % fly - ash which is admixed with united expansive agent ( uea ) has been improved greatly. the frost - resistance of sulfate aluminate cement concrete with high volume of fly - ash is dramatically lower than that of silicate cement concrete with the same volume of fly - ash
試驗結果表明:粉煤灰摻量為20的混凝土在適量引氣的條件下具有良好的抗鹽凍性能;粉煤灰摻量為55的混凝土在摻加uea膨脹劑后其抗鹽凍性能有明顯改善;大摻量粉煤灰硫鋁酸鹽水泥混凝土的抗鹽凍性大大低於同摻量的硅酸鹽水泥混凝土。The effects of potassium permanganate, chorine and ozone were compared and the results showed that although all of them could enhance coagulation and then reduce the turbidity of the water after subsequent treatment units, potassium permanganate and ozone were more effective to ensure the quality of the water after air - flotation and sand - filtration
對高錳酸鉀、氯和臭氧三種氧化劑進行分析比較,結果表明三種氧化劑均能提高混凝效果,但高錳酸鉀預氧化和預臭氧化在提高氣浮和過濾出水水質保障率方面均優于預氯化。Standard specification for air - entraining admixtures for concrete
混凝土引氣劑的標準規范Standard test method for air - entraining admixtures for concrete
混凝土引氣劑的標準試驗方法Synthesis of green flocculating agent and its application in disposing wastewater of nature gas well
綠色絮凝劑的合成與處理天然氣鉆井廢水的應用研究Following is the factors ideating with the surface of old concrete in different way ( including brushing surface, chiseling surface, cleaving surface ), adherence agent ( including cement slurry, cement sand slurry, cement slurry with the u expansion agent ), the freeze - thaw circulation times and air - entraining. as a result, we found that the roughness influence on the adhesion capability of the new on old concrete to a large degree. the larger rougeness is, the larger the splitting tensile strength on the adhension face is. the kind of adhesion agent is also influence on the adherence capability of new on old concrete. the circulation times of freez - thaw have a large influence on the splitting tensile strength of adherence face of new on old concrete. the analysis of tests give some advices to the practical engineering
主要考察了老混凝土表面不同處理方式(刷毛面,鑿毛面,劈裂面) 、界面粘結劑類型(水泥凈漿,水泥砂漿, u型膨脹劑水泥漿) 、凍融循環次數等對新老混凝土粘結面劈拉強度的影響,以及凍融作用下新混凝土加氣對粘結面劈拉強度的影響。試驗結果表明,粗糙度對新老混凝土粘結性能有重要影響,隨著粘結面粗糙度的增大,粘結面劈拉強度不斷增加;界面粘結劑類型對新老混凝土粘結性能有一定影響,在凍融作用下, u型膨脹劑水泥漿粘結效果不如水泥凈漿和水泥砂漿;凍融循環對粘結面劈拉強度有較大影響,加氣能明顯改善新老混凝土粘結面的抗凍能力。In comparison with sol - gel system catalyzed by potassium carbonate and sodium carbonate, the gel time was markedly shortened and the densities of the prepared carbon aerogels were obviously reduced
相對以k _ 2co _ 3和na _ 2co _ 3為催化劑的凝膠體系,凝膠化時間大大縮短,所得氣凝膠密度降低。According to above - mentioned way, this research is on the foundation of jichun - chen teacher research. focal points have studied stock coordination, additive, steam to press maintenance method for the influence of performance of low - silicon tailings aerocrete
本研究在陳吉春老師研究的基礎上,根據上述思路,重點研究了物料配合比、外加劑、蒸壓養護方法對低硅尾礦加氣混凝土製品性能的影響。Remote mechanical - draft air - cooled refrigerant condensers
遙控強制通風氣冷致冷劑凝結器Abstract : the result of experiment shows that und er the conditions of proper ai r - entraining, concrete with 20 % fly ash has excellent frost - resistance. the frost - resistance of concrete with 55 % fly - ash which is admixed with united expansive agent ( uea ) has been improved greatly. the frost - resistance of sulfate aluminate cement concrete with high volume of fly - ash is dramatically lower than that of silicate cement concrete with the same volume of fly - ash
文摘:試驗結果表明:粉煤灰摻量為20的混凝土在適量引氣的條件下具有良好的抗鹽凍性能;粉煤灰摻量為55的混凝土在摻加uea膨脹劑后其抗鹽凍性能有明顯改善;大摻量粉煤灰硫鋁酸鹽水泥混凝土的抗鹽凍性大大低於同摻量的硅酸鹽水泥混凝土。Better effect of the dust cleaning has been obtained at flocculation agent and form coagulant aids are added to the powder , which makes a part of fine particulates of the blasting fume sole " join " each other and flocculate and colloids spider webs which combining with the produced foam viscosity forms a big net of catching dust. and the net will coth the remaining fine particulates according to the principles of colloid unstability and characters of the blasting fume aerocolloid. all the processes of catching dust are completed automatically inside the blasting fume. 3figs., 1tab., 18refs
依據膠體脫穩原理,利用爆破煙塵氣溶膠的特性,在工程爆破使用的炸藥中添加絮凝劑和發泡助凝劑,使爆煙氣溶膠中的部分微粒先相互「架橋」絮凝成許多蛛網狀膠團,又與隨後生成的泡沫粘結成捕塵「網」再去捕集其餘的微粒,在爆煙的內部自發地完成捕塵過程,從而取得了較好的除塵凈化效果.圖3 ,表1 ,參18Firstly, this paper expounds the research on the physical and chemical performance of pumice and the action of those performance to pumice concrete, and the adaptability of calcium lignosulfonate to pumice concrete, and the influence of air - entrained agent to the performance of pumice concrete
本文首先對浮石的物理、化學性能及其對混凝土的影響進行了系統試驗與研究;並進行了減水劑對浮石混凝土的適應性,以及摻加引氣劑對浮石混凝土性能的影響的分析研究。Standard practice for selection of water vapor retarders for thermal insulation
熱絕緣用水蒸氣緩凝劑選擇的標準實施規程It was shown that the gel time and rf carbon aerogels properties were mainly determined by the catalyst content ( r / cat ) and reactant concentration
催化劑含量( r cat )和反應物濃度是影響凝膠化時間和氣凝膠性質的主要因素。Co surface oxidative reaction and 18o - 16o isotopic exchange over ce0. 6zr0. 35y0. 05o2 and pr0. 6zr0. 35y0. 05o2 catalysis
氧化鈰氣凝膠擔載的銅催化劑對氫氣中一氧化碳選擇氧化的催化性能The authour investigate the dosing conditions and effect of the pac to the huanghe water - source, which includes the following four parts : the selection of the pac ; the confirmation of dosing scheme and effect of the pac ; the research of application of potassium permanganate in combination with pac ; the research of the pac ' s modification and the modified effectiveness. the experiment is mainly carried out on the pilot system in the jieyuan water plan of tianjin. the results of the reseach include the following : l ) the pac from zunhua plant is selected as the better carbon for the source water of tianjin through the experiment ; 2 ) through the pilot experiment we conclude that the pac ' s best adding point is the mixing tank and the better dose is 10mg / l, on which the codmn of filtered water can be decreased to 40 % and the effluent have no problem of odour and color ; 3the adsorbing experiment show that pac mainly adsorb the organic matters which molecular wt., distribution between 500 and 3000, and can adsorb organic matters whose molecular wt., distribution are bigger than 6000 if the dose of it is adequent ; 4 ) pac together with potassium permanganate can remove the organic matter more effectively than each of them alone, and reduce the rising trend of turbidity of the flotation ' s effluent due to adding pac ; 5 ) the thesis made a research on the surface properties and the adsorbing capability of the modified carbon by oxidizer : the modified carbon with 20 % h2o2 can remove more organic pollutants than the untreated one by 12 % when we add a higher dose of coagulant ; 6 ) the modification of reduction and loading metal ions are also sttldied, and drow the following conclusions : the modified carbon with 5 % ammonia can enhance the organic matter ' s removal effectiveness by 10 % to the tianjin source water than the untreated one, and the modified one with loading metal ion remove the organic matters from the tianjin source water better ( 8 % ) than the untreated one due to the strong affinity betwween the humic acid and copper ion
本文的實驗主要是在天津芥園水廠的中試系統上完成的,論文的成果和結論主要包括: 1 )通過靜態實驗選定河北遵化活性炭廠生產的煤質炭為適合天津原水的炭種; 2 )中試實驗確定粉末活性炭的較佳投加點為混合池投加,較佳投加量為10mg l ,此時可使濾后水的cod _ ( mn )降低40 ,且可較好地控制濾后水的嗅味和色度; 3 )初步確定粉末活性炭對原水中有機物的吸附主要集中在分子量在500 - 3000范圍內,投量增大時可吸附部分分子量大於6000的有機物4 )中試實驗表明:粉末活性炭與高錳酸鉀聯用可取得較兩者單獨應用時對有機物更好的去除效果,且對因投加粉末活性炭而造成的氣浮出水濁度升高有一定的改善作用; 5 )研究並初步確定氧化改性對粉末活性炭表面性質和有機物的去除效果的影響:粉末活性炭的氧化改性會使其表面的酸性官能團大量增強,表面極性增加;經20的過氧化氫改性的活性炭在增大混凝劑投加量( fecl _ 3投量為15mg l )時對有機物的總體去除效果較原活性炭提高12 , 1次氯酸鈉改性活性炭對有機物的去除效果較原活性炭提高6 ; 6 )研究並初步確定還原改性、負載金屬離子對原水中有機物的去除效果的影響:經5氨水改性的活性炭可提高天津源水中有機物的去除率達到10 ;負載銅離子后的活性炭可提高對腐殖酸類物質的去除能力,一般可提高8左右。The dissolving equipment was applied to dissolve the organic polymer flocculant for the air - flotation treatment of the refinery sewage with satisfactory reaults obtained
將該溶解裝置用於煉油污水氣浮處理的有機絮凝劑溶解,取得良好的效果。The application of xc407 flocculants on wastewater treatment from steelmaking induetry was intreduced. the result is very good
摘要介紹了xc407絮凝劑應用於鋼鐵生產中產生的除塵污水、高爐煤氣洗滌水進行分離沉降處理,收到了較好的效果。In the presence of sodium hydrate, the polymerization of mixture cresol ( cm ) with formaldehyde resulted in the formation of low - density, monolithic, free - crack cmf organic and carbon aerogels
以混甲酚( c _ m ) 、甲醛為原料, naoh為催化劑成功合成了低密度、塊狀無裂紋c _ mf有機氣凝膠及炭氣凝膠。( 1 ) carbon aerogel and xerogel were made from resorcinol - formaldehyde organic gels and used as the anode materials for lithium ion batteries. by discussing the influences of pyrolysis temperature, the level of the catalyst and the concentration of reactant in the preparation of carbon materials on their behavior of lithium ion storage, their performance of storing lithium ions and process of charge and discharge were studied in details. moreover, the relationship between the structure of carbon aerogel and xerogel and the performance of storing lithium ions was analysed, and the mechanism of the storage of lithium ions in this type of porous carbon materials based on organic gels was also dicussed simply
( 1 )從合成間苯二酚-甲醛有機凝膠出發,制備了碳干凝膠和氣凝膠,研究了其作為鋰離子電池碳陽極材料的儲鋰性能,探討了碳材料制備過程中的熱分解溫度、催化劑用量、反應物含量等條件對碳干凝膠和氣凝膠儲鋰行為的影響,並分析了碳材料結構與儲鋰性能的關系以及充放電過程,也簡單探討了鋰離子在這類基於有機凝膠的多孔碳材料中的存儲機制。分享友人