泡沫層合 的英文怎麼說
中文拼音 [pāomòcénggě]
泡沫層合
英文
foam laminating-
The mass transfer model of the foam was established on the basis of the penetration theory, and the mass transfer model of the compound tray was obtained according to the mass transfer model of the foam and frb model in packing
以溶質滲透理論為基礎,建立了泡沫層的傳質模型,根據泡沫層的傳質模型和規整填料的fbr傳質模型,獲得了預測復合塔板傳質效率的模型。Find a suitable image of the sea ; ones of shallow, frothy water work best
找到一個合適的形象,在海中;的淺層,泡沫水工作,最好的。The special area of foam was detected for the compound tray of 20 % free area by ccd camera and computer identification technology of gas and liquid two phase flow in column. with the rectangular plexiglass tower in 200mm x 300mm, and it ' s correlation was obtained. this experiment offered data of special area for establishing mass transfer model of foam
在200mmx300nun的有機玻璃方塔內,以空氣水為介質,採用ccd拍攝技術和塔內氣液兩相流計算辨識技術,測定了開孔率為20的復合塔板上泡沫層的氣液接觸比表面積,並建立了關聯式。This paper analyzed the mechanism that gas and liquid flow through the holes according to the fluid characteristics of the compound tray, and put forward that there are three states of liquid flowing, gas flowing and blocked for the holes because of the foam fluctuating on the tray while the compound tray operates
本文根據復合塔板的氣液流動特點,分析了氣液穿孔流動的機理。根據前人的研究結果,提出復合塔板在操作時,由於泡沫層的波動,其篩孔存在通氣、通液和阻塞三種狀態。According to the special shape and operate requirements of the torpedo, the structure and moulding process of the torpedo shell are established, in which the body and overlay block with grooves are moulded by fiber winding, and close moulding respectively with the adhesive by limited stop compression. in the light of the selection of raw material system, composite system with outstanding performance are defined, based on which the mechanical properties are tested., with the overall consideration of structural characters and design demands, the main factors which may have effects on the strength and stability ( including stiffness section dimension, stiffeners space, skin thickness and skin lay angle ) is optimized one by one for the structure design parameters on the base of the fem model of skin, stiffness and layover block by fem. as a result, the prototype with 1 : 1 proportion and its structure and lay optimization design are completed. the moulding technology for polyurethane foam moulding the stiffened shell is obtai ned in terms of the design, manufacture moulding, experimental mould and tooling
依據在研產品特殊的外型結構和使用要求,確定了該型號水雷復合材料殼體的具體結構形式和復合成型工藝路線,即由纖維纏繞工藝成型主體異形件,閉模成型帶通槽外貼塊,用限位加壓工裝實現粘接的工藝路線;通過對原材料體系的篩選,確定了綜合性能較好的復合材料體系,以此為基礎進行了力學性能測試;運用有限元方法,建立了蒙皮、筋條和外貼塊的分析模型,綜合考慮結構特點和設計要求,對影響結構強度與穩定性的主要因素(包括筋截面尺寸、筋間距、蒙皮厚度、蒙皮鋪層角度)分別進行了結構設計參數的優選,最終完成了復合材料異形耐外壓殼體1 : 1樣件和縮比實驗件結構及鋪層優化設計;完成了聚氨酯泡沫胎成型內置加筋殼體的成型工藝技術研究;對縮比件進行外壓性能測試,並給出了應力、應變測試結果。From experimental result, i preliminarily know that eps is good thermal insulation material because the absorption of water is low and heat insulation is good, it is practicable at preserving temperature field of frozen earth roadbed and bringing frozen disaster under control ; second, according to the analysis of the eps that is applied into practical project, i have studied the practical effect which eps preserve roadbed temperature field, and the influence that was made after building field. i have get that eps can influence moisture content and frozen upper limit, through practical measuring data, i have studied freezing and expanding quantity and melting and submerging quantity during a complete frozen and melting cycle as well as have expanded and proved the practical application effect of eps with some reference significance to deep research of some connected problems. finally, through computer data analysis, setting up the analytical model of finite unit, i have simulated the temperature field of roadbed heat preservation, then expounded and proved that the height of embankment influenced the effect of thermal insulation material
其一是對聚苯乙烯泡沫塑料( eps )保溫板以及天然路基土層、路堤填料進行了室內試驗分析,結合國內外現在的有關科研成果,綜合確定其各項特徵參數;從試驗結果初步認識到聚苯乙烯泡沫塑料是一種吸水率低,隔熱性好的保溫材料,在凍土路基溫度場的保護和凍害治理方面是可行的;其二通過eps保溫板在現場工程實踐中的應用分析,研究了保溫板在保護路基土層溫度場的實際效果以及修築路堤后造成的影響,保溫板對土體含水量、凍結上限的影響,通過實測資料,研究了在一個完整的凍融周期內整個路基的凍脹量和融沉變形量,論證了保溫板的實際應用效果,對有關問題的進一步研究和相關工程設計具有參考意義;其三,通過計算機數值分析,建立有限元分析模型,對保溫路基的溫度場進行了模擬計算,論證了路堤高度對保溫材料效果的影響。4. the basic experiments were conducted to evaluate mechanical properties of stitched composite laminates and stitching foam - core sandwich, and the experimental results were presented
通過常溫濕熱環境下縫紉復合材料層壓板以及縫紉泡沫夾層復合材料力學性能試驗,獲得了縫紉層壓板和縫紉泡沫夾層結構的部分力學性能參數。5. the special characteristics of the failure of stitched composite laminates and stitching foam - core sandwich were further studied based on the experimental results, and its mechanism is explroed
結合試驗觀察的結果,初步探討了縫紉層壓板和縫紉泡沫夾層結構的損傷破壞機理,為建立縫紉泡沫夾層結構的強度預測理論提供了分析和試驗基礎。The compound tray researched in this paper consists of dual - flow tray and 50 - 1 ^ omm high structural packing which is directly put under the dual - flow tray. it has three mass transfer sections that is the foam section on the tray, the film section in the packing layer and the shower section under the packing, so it has very high mass transfer efficiency
本文研究的復合塔板是在穿流篩板之下緊貼一層50 150mm的規整填料所構成,它有三個傳質區,即塔板上的泡沫區、填料層內的液膜區以及填料層下的淋降區,因此,具有很高的傳質效率。The fitness of four negative electrode materials such as al, fe, zn, cd, and of six membranes materials : microfiber glass mat separator, polyethylene, polypropylene, polyvinyl chloride, vinylon, soapnated cellulose acetate, and of four current collects : carbon fiber ; nickel foam ; nickel foam sthongthened by iron wire net, punched silver grid in the super - iron alkaline batteries was comparatively studied. the influence of two storaged method ( with and without electrolyte ) and two impurities ( zno, fe ( oh ) 3 ) to the experiment cell ' s self - discharge nature was also comparatively studied. at last, the nature of discharge. structure and electrochemistry of experimental cell with k2feo4 as cathode active material prepared by three different methods : high temperature reaction, hypochlorite oxidizing and electrolysis, was comparative ly studied. we can conclude : i ) the open - circuit potential and the flat of work potential and the percent of capacity of k2feo4 till 1. 0v during the discharge at constant load of experimental cells decreased by the order of al / k2feo4, zn / k2feo4, cd / k2feo4, fe / k2feo4. as for the nature of charge - discharge cycle, cd / k2feo4 fe / k2feo4 zn / k2feo4. in water solute electrolyte, although al / k2feo4 can n ' t be used as storage battery, it have great potential as primary cell or storage cell from the aspect of its discharge capacity. discharge power
採用組裝實驗電池、 x -射線衍射( xrd )和循環伏安( cv )的方法,從實驗電池的放電特性、充放電循環特性、自放電特性,不同高鐵酸鹽的結構特性和電化學特性幾個方面,對4種金屬負極材料( al 、 fe 、 zn 、 cd ) 、 6種隔膜材料(復合玻璃纖維、幅射接枝聚乙烯、改性聚丙烯、聚氯乙烯、維尼綸無紡布、皂化再生纖維素) 、 4種集流體材料(泡沫鎳、以鐵網為加強層的泡沫鎳、切拉銀網、炭纖維編織網)在堿性高鐵電池中的適用性進行了比較研究;對2種雜質組分( zno 、 fe ( oh ) _ 3 )和2類不同貯存方式(干、濕)對實驗電池自放電特性的影響進行了比較研究;對3種方法(高溫固相反應、次氯酸鹽氧化、直流電解)所制k _ 2feo _ 4的實驗電池的放電特性、結構特性和電化學性能進行了比較研究。Rigid polyurethane and polyisocyanurate foam for building applications - specification for two types of laminated board roofboards with auto - adhesively bonded reinforcing facings for use as roofboard thermal insulation for built - up roofs
建築用硬氨酯泡沫塑料規范.第3部分:組合屋頂頂板隔熱用帶自動粘附增強飾面的兩種層壓板Modulus prediction and discussion of reinforced syntactic foams with coated hollow spherical inclusions
含塗層空心球復合泡沫塑料的模量預測及討論Low - frequency cables with polyolefin insulation and moisturebarrier polyolefin sheath. part 3 : unit type, unfilled, moisture barrier polyethylene sheathed cables with copper conductors and solid or cellular insulation
聚烯烴絕緣和帶聚烯烴防潮層護套的低頻電纜.第3部分:組合式無填充固體或泡沫絕緣的聚乙烯防潮護套銅導體電纜Low - frequency cables with polyolefin insulation and moisturebarrier polyolefin sheath. part 2 : unit type, filled, moisture barrier polyethylene sheathed cables with copper conductors and solid or cellular insulation
聚烯烴絕緣和帶聚烯烴防潮層護套的低頻電纜.第2部分:組合式有填充固體或泡沫絕緣的聚乙烯防潮護套銅導體電纜分享友人