有孔有板 的英文怎麼說

中文拼音 [yǒukǒngyǒubǎn]
有孔有板 英文
aperture disk
  • : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
  • : Ⅰ名詞1 (片狀硬物體) board; plank; plate 2 (專指店鋪的門板) shutter 3 [音樂] (打拍子的樂器) ...
  1. Xps foamed board, has a perfect closed - pore alveolate structure

    Xps擠出聚苯乙烯發泡材,具完美的閉蜂窩狀結構。
  2. With the development of human society, because of the lack of sustainable utilization consciousness, and the eager for quick success and instant benefit, the black earth suffered excessive cultivation and management, causing the reduction of its recycled ability, decrease in organic content, porosity ratio, fertility dropped and the properties of water retaining and water retention, which make the black soil harden and degenerate seriously

    但是隨著人類社會的發展,在缺乏保護和可持續利用意識、急功近利思想影響下,黑土遭到過度墾殖和掠奪式經營,人類對其活動范圍遠遠超過了其再生能力,導致機質含量減少,肥力下降,隙比減小,保水持水能力降低,土壤結,黑土嚴重退化。
  3. Finite element analysis of sif of flat msd panels with a number of collinear holes

    共線多應力強度因子限元分析
  4. Also call to pour the type to open the bore box a box for, department on the box the front - panel openning having pouring the bore. because of openning to there is bore, voice in the box to can then radiate the outside. pour the type the box the low frequency extension for ratio closeness type box to be good friends with the amount, but the bass usually and not and so fructify the tightly packed. comparison " infinite baffle " infinite baffle

    也稱倒相式開箱,系在音箱面上開倒相槽的一類音箱。由於開,箱內的聲音便可以輻射到外面來。倒相式音箱比密閉式音箱的低頻延伸要好些,但低音往往不那麼結實緊湊。
  5. Standard test method for evaluation of glove effects on wearer hand dexterity using a modified pegboard test

    用改進的試驗評定手套對穿戴者手靈活性影響的標準試驗方法
  6. The thirty - four species of the sea urchins belong to 7 order, 17 families and 28 genera. the following is the name list, those with an asterisk are the species recorded for the first time in china. order cidaroida family cidaridae * goniocidaris biserialis ( d6derlein ) * stylocidaris bracteata ( a. agassiz ) * stylocidaris ryukyuensis shigei * stereocidaris indica philippinensis mortensen * rhopalocidaris gracilis doderlein order lepidocentroida family echinothuridae * phormosoma bursarium ( a. agassiz ) araeosoma owstoni mortensen asthenosoma ijimai yoshiwara order stirodonta family phymosomatidae glyptocidaris crenularis a. agassiz family arbaciidae * coelopleurus maculata a. agassiz et h. l. clark * coelopleurus undulatus mortensen order aulodonta family diadematidae chaetodiademajaponicum mortensen family pedinidae * caenopedina mirabilis ( d6derlein ) order camarodonta family temnopledridae temnopleurus hardwickii ( gray ) temnopleurus toreumaticus ( leske ) temnopleurus reevesii ( gray ) temnopleurus apodus ( a. agassiz et h. l. clark ) temnotrema sculptum ( a. agassiz ) temnotrema reticulatum mortensen * microcyphus olivaceus ( d6derlein ) * prionechinus forbesianus ( a. agassiz ) family strongylocentrotidae strongylocentrotus nudus ( a. agassiz ) hemicentrotus pulcherrimus ( a. agassiz ) family echinometridae anthocidaris crassispina ( a. agassiz ) order clypeasteroida family clypeasteridae clypeaster virescens doderlein family laganidae * peronellapellucida d5derlein family scutellidae * scaphechinus mirabilis a. agassiz sinaechinocyamus planus liao family fibulariidae fibularia acuta yoshiwara order spatangoida family loveniidae - lovenia triforis koehler echinocardium cordatum ( pennant ) family schizasteridae schizaster lacunosus ( linnaeus ) family brissidae * gymnopataqus magnus ( a. agassiz & h. l. clark ) family spatangidae * spatangus luetkeni a. agassiz among the species reported, the following species call for notes or simple descriptions

    本文根據th . mortensen ( 1928 - 1955 )海膽專著( amonographoftheechinoidea )中的主要分類依據,將海膽綱分為8個目: 1 )頭帕目( cidaroidea )齒器,圍肛部在頂系內,圍口部步帶和間步帶,大棘很大,外皮層,無球棘; 2 )鱗棘目( lepidocentroida )齒器,圍肛部在頂系內,圍口部僅步帶,大棘不很大,無外皮層,球棘; 3 )脊齒目( stirodonta )齒器,圍肛部在頂系內,齒器的齒脊,橈骨片在齒上方不相接,顎開放; 4 )管齒目( aulodonta )齒器的齒無脊,圍肛部在頂系內; 5 )拱齒目( camarodonta )齒器,圍肛部在頂系內,齒器的齒脊,橈骨片在齒上方相接,顎封閉; 6 )全雕目( holectypoida )齒器,但不發達或完全被吸收,圍肛部在頂系外,步帶不形成瓣狀和葉鰓; 7 ) ?形目( clypeasteroida )齒器發達,圍肛部在頂系外,步帶形成瓣狀,無葉鰓; 8 )蝟團目( spatangoida )無齒器,圍肛部在頂系外,葉鰓發達,步帶形成瓣狀。
  7. Gummed tape with holes used for jointing edges of inner veneers

    內貼式膠紙帶
  8. So the tensile fatigue tests of the limited width specimen with center - hole were performed for studying the correlation

    所以本文對限寬中心帶試件進行了拉伸疲勞試驗,用以研究這種相關性。
  9. Spray deposited porous aluminum alloy sheets easily have surface and edge crack when they are directly rolled due to the porosity and metallurgical bond

    摘要噴射沉積多鋁合金坯由於洞且缺乏良好的冶金結合,直接軋制時易出現坯表面裂紋及邊裂。
  10. A corrugated or perforated conducting plate in a storage battery

    網柵,蓄電池電極蓄電池中呈波紋狀或的導電
  11. A perforated board into which pins are manually inserted to control the operation of equipment

    一種,可由人工將插針插入中以控制設備運行。
  12. And the value drop to the lowest at ph = 0. 8. as the increase of heat treatment temperature, the pore size distribution peak of sio2 microspheres is very narrow, meanwhile the specific surface area is the smallest before 160 c. the polymer template is removed at 350 c, so the pore structure of sio2 particles has a big change which involve the increase of specific surface area and the broaden of pore size distribution peak. with the continuous raise of temperature the sio2 network will shrink little, as a result the average pore size will decrease, but the specific surface area has no obvious change

    結果發現:二氧化硅膠體顆粒均勻分佈於脲醛聚合物網路中,煅燒去除機模后微球表面變粗糙,而粒徑沒明顯變化; ph值較小時,復合微球中聚合物含量較大,而ph值較大時,得到復合微球結構鬆散,因此熱處理后的二氧化硅微球容及平均徑都較大,而在ph = 0 . 8時,得到最小值;武漢理工大學碩士學位論文隨著熱處理溫度的變化,小於160時,空分佈較窄,而比表面積較小,在350時,由於機模的去除,微球結構發生突變,比表面積明顯增大,而徑分佈變寬,溫度繼續升高時,二氧化硅網路發生收縮,平均徑變小而比表面積由於機炭化物的完全去除沒太大變化;微球中的微在熱處理過程中處于平衡狀態,分佈沒太大變化。
  13. An analytical expression of stress concentration factor for a finite wide plate with an eccentrically placed circular hole

    含偏心小圓限寬邊應力集中系數的一種解析表達式
  14. It is found that the fluid flow maldistribution is very serious for conventional header while the improved header configuration with punched baffle can effectively improve the performance

    實驗結果表明,原始封頭內部的物流分配存在嚴重的不均勻性,採用添加打之後的改進型封頭,流場的不均勻性了很大的改善。
  15. Strength analysis by fem of delaminated composite plates and titanium plates

    復合材料和鈦合金開限元分析
  16. Synthesis of zns hollow nanospheres with different amine templates

    不同胺模劑合成硫化鋅納米空球
  17. Apart from the finding of the synovial membrane and collagen fiber bunches of the menisci observed by former researchers, using the method of sem, the author observed the holes at the surface of the menisci and the small holes and interspaces in the collagen fibers and the collagen fiber bunches likewise

    摘要採用掃描電鏡的方法,除了觀察到以前學者所發現的半月的滑膜被覆、膠原纖維等,也觀察到半月表面狀結構,其內部膠原纖維間及膠原纖維束間或空隙存在。
  18. Finite element study on minimization of stress concentration factors of finite plate with multi - holes

    降低含多應力集中的限元研究
  19. Expressions of stress concentration factors for an eccentric circular hole in a tension orthotropic finite - width strip

    拉伸正交各向異性限寬偏心圓的應力集中系數表達式
  20. Lamilloy is a new cooling technology which has advantage of combining film cooling, internal impingement, large internal heat transfer area and enhanced heat exchange by pin fin array

    冷卻技術集沖擊冷卻、對流冷卻和氣膜冷卻於一體,是一種新型的冷卻方式,具冷氣消耗量少,冷卻效率高的優點,應用日益廣泛。
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