管角螺 的英文怎麼說
中文拼音 [guǎnjiǎoluó]
管角螺
英文
hemifusus tuba-
5 fixed whorl protective tube of awl type a fixed whorl protective tube of awl type b
5固定螺紋直角形保護管式a固定螺紋直角形保護管式bApplying imported raw material and advanced manufacturing technology, together with modern scientific management system, it is specialized in manufacturing and selling machined bolts, selftapping screw bolts and nuts of stainless steel, copper oriron and hollow rivets of stainless steel, copper, iron or aluminiun in accordance with the standards of china gb, american ansi, japan jis, german din or england bs ; and non - standardized hardware such as cross slots, inner hexagon fastening bolts, expansion bolts, and toy vehicle axles, its products are sold widely in domestic and foreign markets, earning quite high credit among customers
公司引進國外先進的冷鐓和搓絲設備，採用進口原材料及先進生產技術，並運用現代科學管理體制，專業生產和銷售中國gb 、美國ansi 、日本jis 、德國din 、英國bs標準的不銹鋼、銅、鐵機制螺釘、自攻螺釘、螺母；不銹鋼、銅、鐵、鋁空心鉚釘；十字槽、內六角緊定螺釘、膨脹螺栓、精密自動車床件等非標準五金製品，產品遠銷國內外市場，在廣大用戶中享有較高的信譽。Reducer, with swivel nut, 90 degree elbow, flared tube
擴口式帶收緊螺母變徑直角管接頭Vessels solitary with angular outline ; perforation plates scalariform ; intervessel pits and vessel - ray pitting alternate to scalariform ; helical thickenings only in vessel elements tails
導管橫切面為多角形，單管孔，散生。螺紋加厚僅出現導管分子尾端。梯狀穿孔為主。In this thesis, four types of steel beam - rectangular cfst column connections, including normal welded flange plate ( wfp ) connection, bolted flange plate ( bfp ) connection, stiffened end plate ( sep ) connection and double split - tee plate ( dst ) connection, were designed based on the configuration of steel frame connection. total 8 models, 2 models of each kind of connections were tested under low - reversed cyclic loading at the end of cfst columns. the relationships between force and displacement at the end of columns, the relationships between the moment and rotation of the joints, degradations of strength and stiffness, ductility, failure mechanism and failure characteristics of these four connections under different axial - compression ratios were presented
本文借鑒鋼框架節點構造，設計了四種類型矩形鋼管混凝土柱與鋼梁連接節點，包括常規栓焊（ wfp ）節點、翼緣全螺栓連接（ bfp ）節點、雙t板連接（ dst ）節點以及加勁端板連接（ sep ）節點，進行了四類節點8個模型試件在柱端低周反復荷載作用下的抗震性能試驗研究，比較了不同軸壓比下節點的滯回性能、強度與剛度退化、延性、破壞機理與破壞特徵，主要結論有： 1 、節點的位移滯回曲線與轉角滯回曲線為塊型分佈，沒有或略有捏攏現象，耗能能力強； 2 、軸壓比對節點滯回曲線有顯著影響，全部節點都有顯著的剛度退化； 3 、位移與轉角骨架曲線在峰值荷載後有較長的水平或下降段，具有良好的延性性能； 4 、從整體抗震性能上看，翼緣全螺栓連接節點、雙t板連接與加勁端板連接節點都優于常規栓焊節點，可在實際工程中加以推廣。Hexagon socket pipe plugs
六角套筒管塞.錐形螺紋Gle is a library package of c functions that draw extruded surfaces, including surfaces of revolution, sweeps, tubes, polycones, polycylinders and helicoids
Gle是一個c函數庫包，它能繪制突出的表面，包括旋轉表面，伸展表面，管狀，多角體，多柱體和螺旋面。Apply wrench to hex next to pipe and guard against possible distortion
將扳手套在靠近管道的六角螺栓頭上避免可能產生的變形。At an early stage in the evolution of the high - speed diesel a variable timing device was introduced in the pump drive coupling, taking the form of a helically splined coupling by means of which the angular relation between driving and driven shafts could be varied by manual or automatic control
翻譯：在高速柴油機發展的早期，可變的正時裝置被引用到油泵驅動聯軸節上，採用螺旋式花鍵套管的形狀，驅動軸和從動軸之間的相對角度可以通過手動或自動控制進行改變。From the above it will be realised that fundamental difference between petrol and diesel engines is that in the petrol engine the source of heat for igniting the charge, namely an electric spark, is generated outside the engine, and is taken, as it were, into the waiting charge at the required instant
翻譯：在高速柴油機發展的早期，可變的正時裝置被引用到油泵驅動聯軸節上，採用螺旋式花鍵套管的形狀，驅動軸和從動軸之間的相對角度可以通過手動或自動控制進行改變。4. the effects of geometrical parameters of microfin tubes on the in - tube boiling heat transfer coefficients is analyzed. in addition, the principles on intensifying heat transfer in microfin tube is also analyzed
對r290和r404a ，通過研究koyama和thome關聯式，分析了內螺紋管齒高、螺旋角等齒型參數對工質沸騰換熱性能的影響。Abstract : this paper analyzes theoretically the effect of the reversed cone angle and length of the plug on restraint and elimination to the distortion of the internal spiral ribs, and put forth the design methods of the plug in drawing rifled tube
文摘:從理論上分析了芯棒倒錐角和芯棒長度對內螺旋凸筋形狀畸變的抑制和消除作用，提出了採用倒錐形等螺距芯棒拉拔內螺紋管時芯棒幾何參數的設計方法。Fasteners. bolts for corrugated steel pipes. part 4 : convex hexagon nuts with flange. product grade c
緊固件.波紋鋼管用螺栓.第4部分:帶法蘭的凸形六角螺母. c級產品In some makes of engine the helically splined coupling is not used and the angular displacement of the shafts is effected by centrifugally actuated devices of the swinging link or inclined plane type
在一些發動機的製造中，並不使用螺旋式花鍵套管，通過搖桿或斜面型的偏心操縱裝置，曲軸相位角起到同樣作用As the increasing of helix angle, the film thickness becomes more uniform
隨著螺旋角的增大，螺旋槽管壁面上各處的液膜分佈趨向均勻。A novel strip - coil - baffle structure used to enhance heat transfer and support the tube bundle for a tube - shell heat exchanger is proposed. the new structure can sleeve the tubes in bundle alternatively to create a vortex flow in a heat exchanger. the numerical simulation on the flow and heat transfer characteristics for this new structure heat exchanger is conducted. the computational domain consists of two strip - coil sleeved tubes and two bare tubes oppositely placed at each corner of a square. the velocity and temperature fields in such strip - coil - baffled channel are simulated using fluent software. the effects of the strip - coil - baffles on heat transfer enhancement and flow resistance in relation to the reynolds number are analyzed. the results show that this new structure bundle can enhance the heat transfer coefficient up to a range of 40 ? to 55 ? in comparison with a bare tube bundle ; meanwhile, higher flow resistance is also accompanied. it is believe that the strip - coil - baffled heat exchanger should have promising applications in many industry fields
介紹了一種用於強化管殼式換熱器殼側傳熱和支撐管束的螺旋折流片新型結構，該結構是對換熱器管子相間地套上螺旋折流片以產生旋渦流動.研究模型是在正方形布置的4個管子中的2個對角管子套上螺旋折流片后形成的通道，利用fluent軟體對該上述四管通道模型的流場和溫度分佈情況進行了數值模擬;分析了四管通道模型中螺旋折流片對強化傳熱和流動阻力隨雷諾數的變化關系的影響.算例結果顯示該新型結構可比相同尺寸的光管通道中的情形傳熱系數提高約40 ? 55 ? ，同時也將伴隨較高的流動阻力.可以相信螺旋折流片式換熱器將會在許多工業領域有良好的應用前景Abstract : a novel strip - coil - baffle structure used to enhance heat transfer and support the tube bundle for a tube - shell heat exchanger is proposed. the new structure can sleeve the tubes in bundle alternatively to create a vortex flow in a heat exchanger. the numerical simulation on the flow and heat transfer characteristics for this new structure heat exchanger is conducted. the computational domain consists of two strip - coil sleeved tubes and two bare tubes oppositely placed at each corner of a square. the velocity and temperature fields in such strip - coil - baffled channel are simulated using fluent software. the effects of the strip - coil - baffles on heat transfer enhancement and flow resistance in relation to the reynolds number are analyzed. the results show that this new structure bundle can enhance the heat transfer coefficient up to a range of 40 ? to 55 ? in comparison with a bare tube bundle ; meanwhile, higher flow resistance is also accompanied. it is believe that the strip - coil - baffled heat exchanger should have promising applications in many industry fields
文摘:介紹了一種用於強化管殼式換熱器殼側傳熱和支撐管束的螺旋折流片新型結構，該結構是對換熱器管子相間地套上螺旋折流片以產生旋渦流動.研究模型是在正方形布置的4個管子中的2個對角管子套上螺旋折流片后形成的通道，利用fluent軟體對該上述四管通道模型的流場和溫度分佈情況進行了數值模擬;分析了四管通道模型中螺旋折流片對強化傳熱和流動阻力隨雷諾數的變化關系的影響.算例結果顯示該新型結構可比相同尺寸的光管通道中的情形傳熱系數提高約40 ? 55 ? ，同時也將伴隨較高的流動阻力.可以相信螺旋折流片式換熱器將會在許多工業領域有良好的應用前景Bite type tube fittings - hexagon thin nuts
卡套式管接頭用六角薄螺母Elbow, with swivel nut, 90 degree, flared tube
擴口式帶收緊螺母直角管接頭Flat hexagon nuts for nipples and screw heads for electrical tubular heating elements, metal - sheated
帶金屬護罩的管狀電加熱器的連接管用的扁平六角螺母分享友人