熱抗壓強度 的英文怎麼說
中文拼音 [rèkàngyāqiángdù]
熱抗壓強度
英文
hot compression strength-
The investigation of a lot of parameters about treated sandstone, brick materials and earthen materials with fluorited polymers has been carried out, such as the formation of polymer, the penetration depth, porosity, capillary absorption and penetration coefficient, water uptake, compressive strength, drilling resistance, absorption isotherms of water vapor, water vapor diffusion, color changes as well as resistance to desegregation of water, frizzing - throwing cycles, worming - cooling cycles, and so on. in addition, the influence of salt crystallization, acid and base, and uv aging have also been assessed in order to better understand the protection effects and utilization possibility of two fluorinated polymers, mainly according to astm standard and the combination of international methods together with general technological
分別以國家級文物保護單位的土質、砂巖和磚材文物樣品為對象,依據astm標準及國際通用文物保護研究方法與評估準則相結合,通過膠化物形成周期、滲透深度、孔隙度、毛細吸水和滲透系數、持水量、抗壓強度、抗鉆強度、吸附水蒸氣的能力、透氣性、外觀顏色等系列參數的測定,及凍融、冷熱循環、酸堿腐蝕后抗壓強度的衰減、可溶鹽對保護效果的影響、酸堿及光照對表面保護效果的影響,對兩種含氟聚合物及其與有機硅的共混物在文物加固保護和表面防護中的可行性和保護效果給予了系統研究。My personality stable with a high degree of responsibility, and i can work independently, i have strong adaptability to changes and can make a harmonious relationship with others, i have a high sense of humor ; i have a good command in english speaking, listening writing reading and can deal with daily conversations in japanese
本人個性穩重、熱愛教育事業,具有高度責任感,細心,能夠獨立工作、應變能力強,幽默真誠,能很好的融洽同學之間的關系;有進取心且抗壓能力強,英語方面具有一定的讀說聽說能力,口語流利;另外能應付基本的日語對話。4. the choice reference of medium belt material is came up with : with higher compress intensity, pull intensity and bend fatigue intensity, with middle or low elastic modulus, besides fine heat - resistant, wearable, oil - fast, water - fast anti - impactive capabilities
4 、提出並分析了介質帶材料的合理選擇原則:壓縮強度、拉伸強度和彎曲疲勞強度高和韌性好的中低彈性模量復合材料,此外還需具有良好的耐熱、耐油耐水性、耐磨性、抗沖擊性、耐候性等。The degrees of crystallinity of pure ptfe under the different conditions of water cooling, air cooling and furnace - varying cooling were made comparison by xrd. the thermal stability of pure ptfe and solid lubricant was analyzed by dsc - tg ; the composition and valence state of elements in the surface of carbon fiber, solid lubricant before and after friction test and lubricant transfer film were characterized by xps ; the frictional property of solid lubricant was tested by pin and disk test rig. the frictional wear property of solid lubricant between embedded bearing sleeve and steel axle friction pair ring was tested by special simulate test machine, the hardness of solid lubricant was tested by pm ; the compression strength of solid lubricant was tested by material test machine
用sem表徵原料微觀結構、摩擦表面及潤滑轉移膜表面形貌:用xrd進行原料物相分析,及比較水冷卻、空氣冷卻、隨爐冷卻三種工藝條件下的純聚四氟乙烯樹脂的結晶度;用dsc - tg分析純聚四氟乙烯樹脂及固體潤滑劑的熱穩定性;用xps表徵碳纖維表面、固體潤滑劑摩擦前後表面、潤滑轉移膜表面的元素組成、價態變化;用銷盤式摩擦磨損試驗機對固體潤滑劑進行摩擦性能測試;採用專用的臺架模擬試驗機對固體潤滑劑鑲嵌軸承套與鋼軸摩擦副間的摩擦磨損性能進行測定;用萊次偏光顯微鏡( pm )測試固體潤滑劑的硬度;用材料試驗機測試固體潤滑劑的抗壓強度等。Toughening thermoset matrix composites with interlayered thermoplastic particles is an effective method to improve fracture toughness and impact resistance without sacrificing hot / wet properties. furthermore, transverse strength, fatigue resistance and solvent resistance can also be enhanced. drapability and tackness of interleaved prepreg is maintained as conventional level
對樹脂基體復合材料採取層間顆粒增韌是提高復合材料層壓板韌性、抗沖擊能力和抗分層能力的有效途徑,在保持原有復合材料濕熱性能的前提下,通過層間顆粒增韌,還可以改善垂直纖維方向的強度、抗疲勞性能以及耐溶劑性,並不影響原有的成型工藝。With the very low water to cement ratio, rpc has ultra - high strength high ductility and low permeability. in this paper, the compressive strength of rpc can reach to a high point with the number approximately 135mpa. as illustrated from the study results, we can approve some fundamental conclusions : there are big effects on rpc with deferent kinds and properties of raw materials and deferent curing conditions ; stress - strain curve shows the process of destroy with rpc samples ; x - ray diffraction analysis indicates that heat treatment at temperatures 90 accelerate the hydration of rpc sharply, therefore, mechanical and microstructural properties of rpc are highly dependent on heat treatment ; it is believed that rpc materials have excellent resistance to chloride permeability ; during the heat treatment, the shrinkage of rpc developed quickly because of chemical reactions ; the rpc with slag mostly has the advantage of rpc without slag about resistance to solutions corrosion
研究結果表明:通過對rpc各組分摻量變化的研究,可以找到rpc的最優配合比;試件成型后的熱養護制度對rpc的性能影響巨大; rpc的抗壓應力?應變曲線可以反映出試件受破壞時微裂紋的擴展情況,剛纖維的摻入可以大幅改善rpc的韌性; rpc在成型后存在較大的收縮,而其中的化學收縮要遠遠大於乾燥收縮; rpc具有很強的抗氯離子滲透性能,漿體的密實度很高;通過x射線衍射實驗,可以發現rpc的膠凝體中ch晶體已經幾乎不存在,膠凝體主要由c - s - h凝膠和未水化水泥顆粒組成;在抗溶液侵蝕的實驗中,摻礦渣rpc的抗溶液侵蝕性能在絕大多數情況下要好於不摻礦渣試件,酸、堿溶液和浙江工業大學碩士學位論文摘要一些鹽溶液都會對rpc的結構產生侵蝕作用,但是機理各有不同。The membrane layer is formed by the vacuum forming technology. by controlling the weight and the ratio of long path of ceramics fiber, changing the operation factor reasonably of vacuum forming, we can obtain the ceramic fiber composite membrane layer, which has pore diameters of about 5 to about 30um, porosity i s 50 - 80 %, and tensile strength is about 4. 1to 18. 1mpa and thickness of membrane layer is 0. 5 - 2 mm, has the good thermal shock resistance and peal off
膜層採用真空抽濾成型工藝,通過控制膜組分中陶瓷纖維長徑比、纖維加入量、成型時料漿濃度、成型壓力及成型時間等可以獲得膜孔徑5 ? 30 m 、氣孔率50 ? 80 、抗折強度4 . 3 ? 18mpa 、膜層厚度0 . 5 ? 2mm 、具有良好熱性能和耐剝離性能的陶瓷纖維復合微濾膜材料。According to these, the paper put forward some countermeasures : select low carbon steel or low metal alloy steel with lower intensity, like 20r steel ; while welding, adopt strict craft measures with lower welding heat to input ; after jointing, proceed the whole hot dissolving on time ; control each welding joint with hardness hb 185 ; add 0. 25 % water into the liquid ammonia as decay eclipse ; enhance checking in operation, repairing equipment in time through regular interior and exterior checking
針對上述原因提出了防止氨冷器類臨氨壓力容器產生應力腐蝕裂紋的對策:選用強度稍低,但抗裂性較好的低碳鋼和低合金鋼,如用20r鋼製造;焊接時應採用嚴格的工藝措施和較低的焊接熱輸入量;焊后應及時進行整體消除應力熱處理;控制焊接接頭各區硬度hb 185 ;在液氨中添加0 . 25 %的水作為緩蝕劑;在運行中加強檢查,及時進行停車檢修時的內外部檢查和定期檢驗。Thermocouple and thermal resistance in power station suit to measure temperature of electric generator groups and auxiliary machine correspond to 300000 and 600000 kilowatt, which can substitute one from import with many advantages as shock - proof, pressure - resistant, long in service, and convenience in maintain etc. the protective tube is processed in a special construction by deep - blind hole technology whose end not be welded to enhance the strength and prolong service life. thermocouple or thermal resistance
本公司生產的電站專用熱電偶阻,適用於我國30萬60萬千瓦等發電機組及輔機的測溫需要,產品安全可替代進口,具有防震耐壓使用壽命長,維修方便,保護管是採用深盲孔技術加工而成,端部不用焊接,提高了保護管的強度和使用壽命,鎧裝熱電偶熱電阻採用彈簧壓著式結構,在運行中保護管與鎧裝熱電偶熱電阻測量端始終保持著良好的接觸,抗震動,減少熱響應時間,鎧裝熱電偶測量端採用絕緣形式,能防止電磁干憂。2. after the electromagnetic coil has been vacuum and sealed in, then coverd the insulation shield, in order to increase heat conduction capacity and machinery strenth, conteol temperature rise and buzzer noise, and resist dampness and 8kv crest voltage thunder strucked
2電磁線圈真空浸漆封閉后再套絕緣護套,即了熱傳導能和和機械強度,抑制了溫升和蜂鳴噪音,抗潮防濕,可抗擊8kv峰值的雷擊電壓。Standard test method for compressive strength of thermal insulating or finishing cement
隔熱水泥或飾面水泥的抗壓強度的標準試驗方法The paper applies ansys finite program to analyse coalstore - shale fired perforated brick ' s hole shape, and finds the factors that influence the strength of bricks. the author attempts to explore from the basic principle of heat transfer the effect of the changes of hole arrangements and hole ratios of the perforated ( hollow ) brick in certain dimensions on the thermal transition of the brick, and to improve the thermal insulation property of the brick on this basis
通過ansys有限元應用軟體對不同孔型、不同孔排列的多孔磚進行力學性能分析,找出影響多孔磚力學性能的因素;探討了在一定尺寸條件下,多孔磚、空心磚的孔洞排列與孔洞率的變化對磚體傳熱性能的影響,以此改善磚體的抗壓強度和隔熱保溫性能。It has good abrasion resistance, corrosion resistance, thermal shock resistance and high crushing strength, good, slag corrosion resistance, and is suitable for the zone which need good abrasion resistance in boilers
該材料抗腐蝕性強、耐壓強度高、熱震穩定性好、耐磨性小、抗剝落,是鍋爐易磨損部位的最佳材料。Standard test method for compressive strength of lightweight insulating concrete
輕質隔熱混凝土抗壓強度的標準試驗方法The designs of composite material using inorganic filling compounds to reinforce ultra high molecular weight polyethylene ( uhmwpe ) and an improvement on thermal conductivity of polymer working as tribological material were selected as the major research subject in this thesis
本論文選擇無機填料改性超高分子量聚乙烯( uhmwpe )復合材料的材料設計和聚合物作為摩擦學材料時導熱性能、抗壓強度及抗蠕變性能的改進研究作為主要研究方向。The research results indicate that the heat - insulating property of back covered porous brick and its brick wall is better than kp1 porous brick. the compressive strength of the back covered porous brick masonry reaches the standard level. the elastic modulus of the masonry is equivalent to other porous brick masonry and higher than solid brick masonry
研究結果表明,盲孔多孔磚及其墻片的絕熱性能優于kp1多孔磚;盲孔多孔磚砌體的抗壓強度能夠滿足規范要求,彈性模量與其它多孔磚砌體相當,高於實心粘土磚的彈性模量。The high voltage windings is made by sectional aluminium foil with glass fiber and resin casting, the voltage between turns is very low, the partial discharge is very low, there is no cracking, since the expansion factor of conductor and insulation material is similar, it also has the advantages of no corrosion, no pollution, low losses, low noise level, anti - vibration, fire protection, maintenance free, long operating life and high reliability
低壓繞組為銅箔繞制,半干nomex紙做層間和外層絕緣,經乾燥與銅箔固化為一體,散熱好強度高。高壓繞組為分段鋁箔繞制,玻璃絲網架環氧樹脂澆注,層間電壓低,局部放電小,導體和絕緣體膨脹系數相似,不裂壽命長無腐蝕無污染損耗小噪音低抗震阻燃免維護運行安全可靠。For example, bh steel under low strength is pressed and baking finish to improve its strength of extension
例如bh鋼板是在低強度的條件下,經過沖壓成形之後,進行烤漆加工熱處理,以提高其抗拉強度。The sintering time also affects the specimens " properties. nano - composite wc - co powder can be hot press sintered to cermet whose hra is 94. 6 and trs is 1183 mpa under 1350 for 2 hours
最終燒結實驗表明納米復合wc - co粉末1350保溫2小時條件下的熱壓燒結可以獲得抗彎強度為1183mpa ,洛氏硬度為94 . 6的硬質合金。Subsequently, the capabilities of materials were heighten when density was improved. when materials relative density reached 93. 35 %, their conduct could reach 58. 62 % iacs, their hardness could reach hb135. materials relative density could reach 97. 45 % when materials were extruded thermally
當材料的緻密度達到93 . 35時,其布氏硬度為hb135 ,電導率為58 . 62 iacs ;經熱擠壓后,材料的緻密度可達到97 . 45 ,其抗拉強度為521 . 70mpa ,在課題研究范圍內表現出了較好的性能。分享友人