等溫曲面 的英文怎麼說

中文拼音 [děngwēnmiàn]
等溫曲面 英文
isothermal surface
  • : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
  • : Ⅰ形容詞(不冷不熱) warm; lukewarm; hot; gentle; mild Ⅱ名詞1 (溫度) temperature 2 (瘟) acute ...
  • : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  1. Put board together : adopt seeds of trees famous and precious such as pine, oak wood, basswood, birch, quliu, saw cheng waits for specification board method, high temperature drying passes and natural drying is wrot all round the day afer tomorrow, is spread glue hot - forming, but is made from arbitrarily the breadth finished product

    拼板:採用松木、柞木、椴木、樺木、名貴樹種,鋸成規格板方,經過高乾燥和自然乾燥后,四刨光,塗膠熱壓成型,可製成任意幅的成品。
  2. Abstract : in the research of internal combustion engine, recordingin - cylinder pressure and temperature is an essential technique to study the thermal cycle of internal combustion engine. the combustion analyzer developed in this study will give both the measurements at sampling points per crank angle or sampling cycle, calculate and show the real time parameters which decide the working process of internal combustion engine, such as pressure accelerating rate, indicateed mean effective pressure, cycle - to - cycle variation, heat release rate, etc. compared with the imported congeneric products, the analyzer has many advantages such as chinese interface, low price, easy operateing, convenience in maintainance and easy upgrading

    文摘:為了測錄內燃機缸內的壓力及度,開發了一種內燃機燃燒分析儀.該分析儀由國產高速數據採集卡及自行開發的控制軟體組成.它不僅能精確設置每度軸轉角內采樣點的個數和採集循環數,而且在採集過程中能實時計算和表徵內燃機工作過程的壓力升高率、平均指示壓力、循環變動率、放熱率參數.經實際使用以及與國外產品相比表明,此分析儀具有全中文界、價格低、操作簡單、使用維護方便、功能便於擴充優點
  3. The globalization course was that the preformed texture recrystallized and became the granular equiaxed grain, when the temperature rose and the holding time prolonged, the granular grain melted at some area and at the liquid - solid interface the grain globalized at the role of the curvature overheated

    過程機制為:擠壓形變組織在加熱過程中首先發生再結晶長大變為顆粒狀軸晶;隨度升高和保時間延長,軸晶發生局部熔化,液固界率過熱使晶粒外形向球狀轉變。
  4. Benthic foraminifer fauna, ams14c dating and acoustic sub - bottom profile was analyzed in the core ey02 - 2 and ey02 - 1 drilled from the muddy deposit in the middle southern yellow sea and the mid - shelf of north east china sea. considering the results of core qc2 ? dz4 and the standard oxygen isotope curves, we discussed the late - quaterenary paleo - environment evolution, benthic foraminifer fauna, paleo - climate, the climate events and water mass in postglacial period, average sedimentation rates, paleo - water depth, origin of sediments, average sea level rise rate in the shelf of south yellow sea and east china sea. at last we discussed the condition of sea level rise in the east china, green house effect and the protection of coastal zone

    本文根據南黃海中部泥質區和東海中陸架的兩個鉆孔巖芯的古生物、 ams ~ ( 14 ) c測年、淺地層剖,參考qc _ 2 、 dz _ 4成果及標準氧同位素線探討了黃東海陸架晚第四紀古環境演化、底棲動物群特徵、古氣候、冰後期以來氣候事件、古水團、沉積速率、古水深、沉積物源、海平平均上升率,討論目前中國東部海平上升的狀況、室效應及海岸帶保護。
  5. The subject for different process technology and surface treatment of crank takes tracking checkout for its internal stress, analyses relation of jumping measurement, deformation measurement, recovery measurement and stress change, finds the reason and usual law of jumping overproof of crank. through cold pressure alignment, hot pressure alignment, support aged alignment and so on methods for 42crmo steel crank, the subject checks change of stress in the process of alignment and change of tissue and property after alignment for crank, and gives comprehensive evaluation for every alignment technology, then give safe and feasible technology parameter

    本課題主要是對不同加工工藝及不同表處理過程的軸,對其內應力進行跟蹤檢測,分析各工藝過程中跳動量、變形量、恢復量與應力改變的關系,找出軸跳動量超差的原因和一般規律。通過對42crmo鋼軸進行「常壓力校直」 、 「熱壓力校直」 、 「支撐時效校直」方法的校直,檢測校直過程中軸應力的變化及校直后組織和性能的改變,進而對各校直工藝進行綜合評價,給出安全可行的工藝參數。
  6. From the feature of the force and deformation of the tpih, 5 different elements are used to mesh the different zones of the tube, which are structural beam 3d elastic 4, structural pipe plastic straight 20, structural pipe elastic elbow 18, structural shell elastic 4 node 63 and contact 3d pt - to - surf 49 ; the contact problem is assumed to be flexible - to - flexible ; the temperature field is assumed to be body load. a mechanical model corresponding to reality has been established for numerical simulation. based on the above, the 3 - d fem numerical simulation of tpih has been carried out by using the ansys program

    針對加熱彎管過程的受力和變形特點,採用三維梁單元、三維塑性直管單元、三維彈性管單元、三維殼單元與三維點對接觸單元5種不同的單元分別對管毛坯不同區域進行劃分,並對接觸單元採用柔體-柔體的處理方法,將度場作為體載荷處理,建立了符合實際的加熱彎管問題數值模擬力學模型:在此基礎上,應用商用軟體ansys對加熱彎管過程進行三維有限元模擬與研究,獲得了成形時推力、彎矩、支撐力大小及其變化趨勢。
  7. The research fruits in this article can provide the temperature isoline map of crown cantilever section and central longitudinal section of the dam, the stress isoline map of crown cantilever section and upstream and downstream surfaces of the dam, the maximal and minimal stress distribution map in dam abutment along with the height of dam, the maximal and minimal stress table of typical nodes and the maximal and minimal stress table in different elevations, and also provide reference basis for taking relative temperature control measures in the design and construction of rcc arch dam

    本文研究成果可給出壩體的拱冠梁剖和壩體中心縱剖值線圖、拱冠梁剖和壩體上下游應力值線圖、壩肩最大最小應力沿壩高的分佈線、不同高程處典型點的最大最小應力值表以及不同高程處最大最小應力值表成果,為碾壓混凝土拱壩的設計和施工中採取相應的控措施提供了參考依據。
  8. According to differences of construction process, boundary condition, temperature and stress of two schemes extending 3m deep short seam on upstream face in the middle of rcc overflow section and no short seam are calculated, what " s more, in this paper the equivalent line drawing of stable temperature field and unstable temperature field during construction and operation period and the duration curve drawing of typical points " s temperature and stress are plotted, and the results of peak and minimum on temperature in every month and maximum on tensile stress are attained

    根據施工過程和邊界條件,對溢流壩段中間上游增設3m深短縫和不設短縫兩個方案進行了度和應力計算,並繪制出穩定度場值線圖及施工期、運行期非穩定度場值線圖,典型點度和應力歷時線圖,逐月最高、最低度和最大拉應力及相應位置成果。
  9. The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film

    試驗結果表明:所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求;聚四氟乙烯樹脂熱分解度超過400 ,但在ptfe中加入無機填料會使復合材料吸水率提高,熔融度及分解度降低,且伴有氧化分解反應;碳纖維表含有c = o及c - o - c極性基團,有利於提高其與其它組分的相容性,提高層間剪切強度;均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系,擬合線基本能表示各配方的摩擦系數發展趨勢;配方中不加銅粉或不加石墨,其摩擦系數均較高,說明銅粉和石墨應該配合使用;當銅粉15份、石墨60份時,銅粉30份、石墨30 - 40份時,銅粉60 、石墨15 - 30份時,摩擦系數均具有較低值;純聚四氟乙烯樹脂在空氣冷卻時結晶度最大,磨損量也是三者中最大的;同時,固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的:不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副,在金屬表均可形成潤滑轉移膜,從而減少金屬摩擦副表間的直接接觸,大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。
  10. Several materials with large coefficient of expansion were selected to make packaging components, and it was found that the packaging materials have good temperature sensitivity and compatibility with optical fibers. experimental accuracy and repetition of fbg temperature sensitivity and compensation were discussed. have selected several materials which has bigger coefficient of expansion to do packaging components, have made many temperature experiments, there have not flaws, such as aging, crackle, absciss layer, packaging materials have good temperature sensitivity and compatibility with optical fiber ; have designed the simple and practical packaging components, have performed a serials of experiments about accuracy and repetition of fbg wave - length, have obtained the first step conclusion ; have analyzed the result and made comparison between the result of different experiment, have summarized the best packaging effect and several rules to reduce mistskes

    本文所做的主要工作包括以下幾個內容:一、選取了常見的熱膨脹系數大的材料製作封裝元件,經過多次一80到80反復測試,封裝元件沒有出現老化開裂、封裝裂紋、空洞、離層缺陷,封裝材料具有良好的敏穩定性及復用性,與光纖相容性較好;二、對光纖光柵進行簡單、實用的封裝處理,就封裝效果的優劣性、波長測量的準確度、重復性和封裝時產生的波長損失進行了一系列的實驗,得出了初步的結論;三、對敏和度補償式封裝的實驗數據進行了詳細的分析和對比,從數字上對變過程中光纖光柵中心波長的改變及線進行了定量的分析,在大量實驗數據分析結果的基礎上,總結出哪種材料封裝效果更好,以及如何有效的減小實驗誤差。
  11. This thesis set forth the method and process of designing to kiln tyre using robust method. when constructing the math model, it was thought of that there were structure parameters, such as the tyre " media and width, and a series of uncontrolled factors ( contact stress, bend stress stiffness and temperature stress, and the aim is to optimize the weight of the tyre )

    在構建數學模型中,考慮了輪帶內徑、輪帶寬度結構參數以及輪帶的允用接觸應力、允用彎應力、輪帶的彈性模量、輪帶內外表不可控因素,以輪帶的接觸應力、彎應力、剛度度應力為約束條件,以輪帶的重量最輕為優化目標,通過改變輪帶的寬度以及輪帶的外徑進行參數優化設計。
  12. As increasing surfactant concentration, temperature or adding cosurfactant in certain range, the arrangement of hydrocarbon chains will change from sparse to dense which results in the structural transformation of lamellar phase from " flexible " to " planar " bilayers

    通過對散射線的解析,討論了表活性劑濃度、度和助表活性劑三個方對溶致液晶層狀相結構有序性的影響。
  13. The calculation program using the matlab has been worked out to get the numerical solutions of the proposed models. the experiment has first been conducted in the laboratory to get the fundamentals thermal and moisture properties ( such as materials density, specific heat capacity and thermal conductivity ) and also the material moisture absorption isotherms of adobe building materials. the methods of measuring the surface mass transfer coefficient and material moisture content have been proposed

    首次對生土建築材料物性參數進行了實驗測試,得到了常用生土建築材料的密度、比熱和導熱系數參數值,得到了生土建築圍護結構的吸濕平衡線的擬合函數關系式;此外,研究了生土建築圍護結構表質交換系數實驗測定方法,探索了利用電阻率測量生土建築圍護的安窪築科技人學博十學位論文結構內部含濕量的測試方法。
  14. For mobile sources, meca members include manufacturers of catalytic converters ( catalysts, substrates, mounting sleeves, and converter housings ) for all fuels ; diesel particulate filters ; oxygen, nox, and temperature sensors ; thermal management strategies ; engine / fuel management technologies ; crankcase emission control technologies ; evaporative emission controls ; enhanced combustion technologies ; plasma / corona technologies ; and components for fuel cell technology

    在移動源方,其成員主要從事下列產品或技術的生產或研發:各類燃料的催化轉化器(包括相關產品如催化劑、基質、安裝袖和轉化器殼) ;柴油顆粒過濾器;氧氣、氮氣和度傳感器;熱處理系統;發動機/燃料操控技術;軸箱排放控制技術;蒸發排放控制;強化燃燒技術;離子體/電暈技術。
  15. This semi - hard slab is suitable for insulation on building walls 、 roofs 、 ceilings 、 floor and various equipment components and tanks with a large curve

    該半硬型巖棉板,適用於建築物之墻體、屋、天花板、地及各種設備之部件和率半經較大的罐體設施的保
  16. The worm - like mesoporous materials were synthesized and characterized with tem, x - ray diffraction, nitrogen adsorption / desorption and ft - ir techniques, etc. the results showed that all the samples had larger porediameter than the samples through calcinations under resembled conditions, but the mesopore ordered poorly. ft - ir results showed hexagonal structural character were kept, but xrd, tem results showed that the samples have the structure characteristics of msu - x. it was analysized that all n2 adsorption isotherms of the samples belong to langmuir iv category which is related to mesoporous materials

    Ft - ir光譜表徵結果顯示,經萃取處理后的介孔sio _ 2材料保持了六方的結構特徵;經xrd 、 tem進一步分析,證實所合成的介孔氧化硅材料具有msu - x材料的結構特徵, xrd譜圖表明樣品具有短程有序性:所合成的材料低n _ 2吸附測試結果表明,各樣品的n _ 2吸附線均與中孔(介孔)特徵的第類線基本相符;由kelvin公式計算得到的孔徑分佈線說明,介孔材料具有較為集中的孔徑分佈;各樣品的bet比表積比較高。
  17. Octadecanoic acid ( oa ) / octadecylamine ( oam ) mixed monolayer were absorbed by hsa from the observation of surface pressure - molecule area ( n - a ) isotherms, differentiated curves of 0a / 0am monolayers and uv - vis, ft - ir spectra and fluorescence emission spectra of 0a / 0am lb film. the property change of 0a / 0am monolayer led to the change of crystal growth induced by the monolayer. when the concentration of hsa in subphases containing cac2o4 supersaturated solution rises from 0. 00 % ( wt % ) to 0. 10 %, cot, cod and com form beneath oa / oam monoalyer, respectively

    通過比較含不同濃度人血清蛋白( hsa )的草酸鈣過飽和溶液亞相上十八酸十八胺( oa oam )混和單分子膜的壓力?單分子積( - a )線,微分線及oa oam混和lb膜的uv - vis光譜、 ft - ir光譜以及熒光發射光譜,可以看出, hsa吸附於oa oam膜上,使oa oam膜的性質改變,並且影響到oa oam單分子膜對草酸鈣晶體生長的誘導作用。
  18. We put forward a scheme that multisensor data fusion - surface fitting and curve - fitting was applied in this system according to the temperature drift and nonlinear of sensor. communication between personal computer and measurement system of sensor was realized by means of transceiver with the type of max232, which could finish the data conversion, data processing and printing task, with the result that the measurement system was further improved

    針對傳感器測量的度漂移和非線性問題,提出了利用多傳感器信息融合技術?擬合法和線擬合法來加以解決,並通過max232收發器實現pc機與傳感器測量系統之間的通信,完成數據轉換、數據處理和列印功能,使測量系統更加完善。
  19. The intermediate - temperature sofc ( solid oxide fuel cell ) ’ s electrolyte with perovskite - type lsgm ( la _ ( 0. 9 ) sr _ ( 0. 1 ) ga _ ( 0. 8 ) mg _ ( 0. 2 ) o _ ( 3 - ) ) was synthesized using advanced pechini method and solidification method. the thermal and electrical properties of the sintered samples ( synthesized by two different methods ) were measured and compared by thermal expansion and ac impedance spectroscopy ; the phase transformation process and inner structure were measured and compared by xrd, dta - tg and ac impedance spectroscopy. the research results show that the electrolyte synthesized by advanced pechini method has several advantages, such as fine pre - powders, low sintering temperature, reduced or eliminated impurity phases and high conductivity etc. so, the apm is ideal method to synthesize lsgm

    採用改進的檸檬酸法(以檸檬酸和edta乙二氨四乙酸為復合絡和劑,檸檬酸為燃料)和固相法分別制備了具有鈣鈦礦結構的中固體氧化物燃料電池的電解質材料lsgm ( la _ ( 0 . 9 ) sr _ ( 0 . 1 ) ga _ ( 0 . 8 ) mg _ ( 0 . 2 ) o _ ( 3 - ) ) ,用差熱?熱重分析( dta / tg ) 、 x光衍射分析( xrd ) 、交流阻抗譜技術( ac - impedancespectra ) 、比表積分析( bet )和燒結收縮率手段對產物的熱分解過程、物相轉變和內部結構進行了表徵,並對由這些粉體燒結而成的固體氧化物燃料電池的電解質材料的電導率進行了檢測。
  20. Xps measurement results exhibited that no detectable fe2 + existed in the compound of a ~ fe2os doped with sn4 +, which suggest that oxygen anions or cation vacancies not only can compensate the charge balance but also significantly enhance the gas - sensitivity of a - fe2o3 based gas sensors. ( 3 ) conductive type of a - fe2o3 doped with sn4 + is showed in the n - type by hall measurement and gas - sensitivity measurement. the results of measurements and characterizations suggest that the sensitive mechanism of the a - fe2o3 based nano - materials prepared by this work be the surface resistance controlled mode

    ( 3 )首次進行了霍爾測量,並結合氣敏測試結果,從不同方證實了摻錫- fe _ 2o _ 3納米半導體的導電類型是n型;綜合粉體的電導率?線、元件的電阻?加熱電流特徵線、元件在不同氣氛下的電阻特性以及比表測試表徵結果,得出本文所製成的- fe _ 2o _ 3基氣敏元件的氣敏機理特徵屬于表控制型。
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