mat structure 中文意思是什麼
mat structure
解釋
底板基礎結構-
The density of the al bulk nanomaterials is only 75 percent of mat of normal ordinary coarse crystallized counterparts, which means there are a lot of holes or loosen structure in the nano - bulk al
通過模壓成形的納米金屬鋁和銅的塊體的密度只有普通體材料密度的75左右，表明得到的未經燒結的納米鋁塊體內部可能還存在很多孔隙或很多疏鬆的組織。 -
During the work of designing the structure of parallel machine tool, in allusion to the main shortcoming of stewart platform mat its workspace is strait, we decide to design a stewart type parallel machine tool which fulfill the given spherical position workspace and have the best dexterity, genetic algorithm is used in this paper. because the calculation of the fitness function is complex, backpropagation arithmetic is used to approach fitness function. the results show that mis method has good accuracy and computing efficiency
在並聯機床的結構設計中，針對並聯機床的工作空間有限且受刀具姿態影響大的弱點，提出了以保證非零最小可達章動角球形主工作空間的基礎上，使操作靈敏度暨剛度分佈最優化的設計目標，優化方法的選用了遺傳演算法，結合神經網路技術，該方法取得了很好的結果。 -
Electro - optical curves for lc cells have been analyzed and it has been shown mat a large attenuation range and a shallow attenuation slope can be achieved simultaneously for a variable optical attenuator based on a parallel - aligned lc cell with an appropriate surface anchoring strength. as compared with the existing liquid crystal - based voa structure ( using two cascaded lc cells with a particular material ), the present structure is simple and has no special requirement for the lc materials
提出了基於弱錨定平行排列液晶盒的可變光衰減器（衰減范圍大、衰減曲線下降平緩以保證調節精度） ，與己有液晶型可變光衰減器結構（選用特定液晶材料、兩個液晶盒級聯結構）相比較，本論文提出的基於弱錨定平行排列液晶盒的可變光衰減器結構簡單，同時對于液晶材料無特殊要求。 -
Grillage girder is always used for analysis the structures, such as dense ribbed slab, superstructure of bridge and grid - mat foundation. in this paper, a mechanical model for grillage girder by elastic supporting is proposed, and used for analysis the track structure for the first
交叉梁系一般用於求解密肋式屋面板、橋樑上部結構和格式基礎等結構，本文提出一種彈性支承交叉梁系模型，並首次用其求解軌道結構。 -
Abstract : the use of reinforcing steel welding mat in engineering construction requires special purpuse welding machine. this article introduces the structure design and work principle of the gwc series mat reinforcement automatic welding machine in briefing
文摘:工程建設中鋼筋焊接網的引入應用，對專用焊接設備提出了需求，本文簡要介紹我廠開發的gwc系列鋼筋網自動焊接成型設備的結構設計和工作原理。 -
We suggested after research mat : ( 1 ) the shortage of characteristics of the towns comes from many factors in the region. the eco - environment lacks natural beauty, the level of industrial structure is low ; the enterprises arrangement is scattered ; and the facility construction lags behind ; town management is sloppy ; town image design is lack, and there are the misunderstanding to human settlements improvement, the " acute disease " in progress of construction
研究認為： （ 1 ）區域城鎮特色的缺乏源於地域生態環境缺乏天然秀色，產業結構層次低、布局分散，城鎮設施建設滯后，城鎮管理鬆懈，城鎮形象設計缺乏，以及對人居環境改善等存在理解誤區和建設的「急性病」等多種原因。 -
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。 -
The key elements of urban tourism place planning and design comprises a urban destination region, urban tourist generating markets, urban nodes, urban districts, urban circulation routes, and urban gateways. this paper makes preliminary researches on urban tourism spatial structure and its space planning and design. the study conclude mat the evolvement of urban tourism research, the key elements of urban tourism spatial structure, the growth and evolvement of urban tourism spatial structure, the urban tourist flows and its spatial structure, urban leisure spatial structure and urban recreational business districts, the development recreational belt around metropolis, the elements affecting urban tourism place planning and design, urban tourism sustainable development and its spatial development strategies and the models of urban tourism place planning and design, etc. at the last of this paper, combinations of these researches are used in the changzhou urban tourism place planning and design
本論文對城市旅遊研究概況、城市旅遊空間結構研究的關鍵要素分析、城市旅遊流空間結構、城市休閑空間結構與城市遊憩商業區的開發與發展、城市環城遊憩帶的開發與發展、城市旅遊空間規劃布局的資源、區位、市場和社會經濟等影響和制約因素、城市旅遊空間規劃布局的八大模式： diannedredge （ 1999 ）的單節點、多節點及鏈狀節點城市旅遊微空間規劃布局模式、旅遊城市中心結構的規劃布局模式、增長極模式、點? ?軸模式、城市旅遊圈層模式、環城遊憩帶城市旅遊空間布局規劃模式及如何運用城市旅遊空間發展戰略優化城市旅遊生態環境等方面作出了初步研究，並以常州市為例進行了城市旅遊空間結構分析優化及其空間規劃布局的實證研究。 -
The results showed that the properties and production mst of the panel could be designed by adjusting the compression ratio of the mat ; the properties of bamboobased waferboard with 1. 07 compression ratio and 4 % pf resin without any moisture - resistant agent were superior to those of wood - based one ; and the composite with excellent properties could be made with bamboo from species either for structure or for shoot, and from single species or mixed species as long as the wall thickness of bamboo was over 2 mm
試驗結果表明，通過調節壓縮比即可調節板材的性能和生產成本，壓縮比為1 . 0 、用膠量為4的不含防水劑的酚醛樹脂竹大片刨花板的各項性能可超過同類木質板材的性能單獨或混合以具必要竹壁厚度的材用或筍材兩用竹為原料均可獲得性能良好的竹大片刨花板。
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