熱衰減 的英文怎麼說

中文拼音 [shuāijiǎn]
熱衰減 英文
heat fade
  • : 衰動詞(衰弱) decline; wane
  • 衰減 : attenuation; decay; damping; reduction; rejection; weakening; deamplification; dampening; dying o...
  1. 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、冷循環、酸堿腐蝕后抗壓強度的、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。
  2. Measurement of the tissue thermal conductivity by thermal pulse - decay method

    生物組織導率的脈沖法測量
  3. It is found that if the cavity dissipation is losses and the reservoir is in vacuum, the quantum nonlocality appears periodically. when the cavity dissipation and the average photon number of the reservoir are taken into account, the initial quantum nonlocality will be lost. the rapidity of the loss of the initial quantum nonlocality depends on the amplitude of the initial field, the average photon number n and the cavity damping constant k

    結果表明,如果腔場無損耗且處于真空庫,則量子態周期性地顯現出一定的非局域性;如果考慮到腔場的損耗和庫的平均光子數,那麼,量子態將會喪失它初始的非局域性,初始量子非局域性喪失的速度與初始腔場的幅度、腔的系數以及庫的平均光子數有關,場越強、平均光子數和系數越大,量子非局域性喪失得就越快。
  4. The damage introduced by single and 5 repeated thermal shocks ( water - quench experiments ) was characterized by degradation of flexural strength in three - point bending

    單次和5次重復震(水淬試驗)后經三點抗彎測試來觀察材料抗彎強度的情況。
  5. It is indicated that the hydration process of cement - based materials with slag, fly ash and silica fume is different in some degree from that of neat cement because of the difference in mineral structure and hydration mechanism. the periods of accelerating, decelerating and terminating are prolonged and hydration reaction decelerates. the second peak of rate curve of the heat evolution could be divided into two small peaks, which are contributed to the hydration of clinkers and mineral mixtures at the temperature of 30 but when temperature comes to 50, the two small peaks combine into one and the reaction accelerates

    結果表明,與硅酸鹽水泥相比,由於礦物摻合料與水泥熟料在活性和水化機理上的差異,水化歷程有較大的改變:多組分體系誘導期、加速期和期延長,水化反應速率明顯降低;低溫時,水化放速率曲線上的第二放峰細化成分別對應于熟料和礦物摻合料水化的兩個小峰;高溫時,反應速率加快,雙峰合併;進一步研究發現,摻合料的種類與摻量對水化歷程也有較大的影響;建立了適用於多組分水泥基材料不同水化階段的水化動力學方程。
  6. Xrd patterns, excitation spectra, emission spectra, photo - stimulated emission spectra, photo - stimulated emission decay curves and thermo - luminescence spectra have been measured on the samples

    對樣品進行了x射線衍射分析( xrd ) 、激發光譜、發射光譜、光激勵發光光譜、光激勵發光釋光譜測定。
  7. Furthermore, the principle and nature of periodic instantaneous temperature field disturbance and permeation have been discussed with several cases of various types to examine the speed of heat transfer and permeation and damping of temperature wave

    充分討論了周期性瞬態溫度場的擾動、滲透的機理和實質,以幾種不同的實例考察了傳播的速度以及溫度波的滲透和情況。
  8. With the increase of the gptms, the luminescence intensity of l. omol % eu3 + and 3. 0mol % dbm co - doped gels increase gradually, which indicated that the increase of the gptms promoted in - situ synthesis of the dbm : eu3 + complexes in the gels

    在不同比例的gptms / teos凝膠中雙摻dbm和eu ~ ( 3 + ) ,隨著gptms在基質中浙江大學研士學過被文所佔比例的升高,稀土有機配合物在其中的熱衰減溫度亦逐漸降低。
  9. Abstract : the purpose of this paper is to investigate the decay behavior and dynamics of a quasilinear partial differential equations with nonlocal boundary conditions which is motivated by model problems, arising from quasi - state thermoelasticity, etc. by constructing an upper solution of the problem, a decay estimate for the solution is obtained

    文摘:本文討論一類源於擬靜態彈性力學和控制理論等領域的邊值問題,通過構造適當的上下解得到擬線性方程解的估計
  10. The influence of various waterpower and configuration parameters on heat transfer is analysed and the rules of convective heat transfer coefficient and the ratio of heat transfer enhancement with mass flux are obtained. at the same time, we gain important results as below : as for resonance chamber with certain configuration, self - oscillation can be generated under suitable configuration and waterpower parameters. for the same configuration resonance chamber, the intensity of the self - oscillation is changed by the waterpower parameters

    當流量及壓差降低至一定程度時,共振腔還可能削弱換;加功率的提高會增加流體(水)的溫度,流體的粘度會隨著降低,這會少對流體脈動的阻礙,使脈動得更慢,而脈動幅度的增加會增強換,故加功率對有脈動的對流換是有影響的;自振腔產生的流體脈動頻率是自振腔固有頻率或其整數倍,流體脈動頻率過高或過低都不利於對流換,存在一有利於強化換的頻率范圍。
  11. The difference among the elasticity modulus of various microstructures is probably the main reason, which caused the experiment results above. under the same experiment conditions, such as sample shape, size, surface roughness, establishment of testing system, pressure on the probe, and thickness of coupling medium, the variety of relative attenuation coefficient ( or ) in different heat treatment samples is measured and compared by measuring the attenuation obtained from the cylindrical surface of column. the result is as following : for 40cr and 38crmoal, a mt < az mq < a s < a p + f ; for gcrlssimn, a mt < a annea < s < a p + f ; and a increased with the increasing of frequency

    在保證試樣形狀、尺寸、表面光潔度、系統參數設置、施加在探頭上的壓力以及耦合層厚度等測試條件一致的情況下,利用棒材圓柱面測系數法,分別測定並比較上述不同處理試樣相對系數的變化情況,得到的實驗結果是:對於40cr及38crmoal鋼, _ (低溫回火) (淬火) _ (高溫回火) _ (正火) ;對于gcr15simn鋼, _ (低溫回火) _ (退火) _ (高溫回火) _ (正火) ;且隨著頻率的提高,系數均呈現增加的趨勢。
  12. According to structural characteristics of multi - phased alloy steels and the properties of ultrasonic propagation, microstructures characterization with different heat treatment processes ( normalizing, quenching / annealing, quenching plus low tempering, quenching plus high tempering ) for three steels ( 40cr, 38crmoal, gcrlssimn ) was studied experimentally by using ultrasonic methods. ultrasonic velocity, relative attenuation coefficient, and power spectral analyses were researched on the same samples respectively, on the basis of theory and experiment, the sensitivity and other characterizations of the three methods used to distinguish different microstructures were compared

    根據具有多種相結構合金鋼不同處理轉變產物的組織特點,以及超聲波在其中的傳播規律,利用超聲波速度、相對系數以及功率譜分析三種方法,對三種鋼( 40cr 、 38crmoal及gcr15simn )不同處理(正火、淬火退火、淬火+低溫回火及淬火+高溫回火)轉變產物的顯微組織進行了超聲表徵研究。
  13. With the rising of gas cloud radius, the explosion pressure increases quickly during energy releasing period, and rapidly attenuates when the flammable gas burns up within gas cloud. ( 2 ) the larger the explosion heat is, the higher the maximum explosion pressure is. with the growing of explosion heat, the explosion pressure sharply increases during energy releasing period, and rapidly attenuates after the flame is distinguished within gas cloud

    利用該程序計算了爆炸場參數,計算結果表明:氣雲半徑越大,爆炸最大壓力越大:氣雲半徑越大,氣雲區內部爆炸壓力在能量釋放過程中增加得越快,在能量釋放完畢以後得也越快;爆越大,爆炸最大壓力越大;爆越大,氣雲區內部爆炸壓力在能量釋放過程中增加得越快,在能量釋放完畢以後得也越快。
  14. But it is difficult to be synthesized, and its unstable structure results in rapid capacity fading and bad thermal stability

    但是該材料合成困難,由於結構不穩定會導致容量穩定性差。
  15. The charging - discharging capacity of linio2 is high but it makes serious environmental pollution and is difficult to be synthesized. the structure of it is unstable, the thermal stability of it is bad, which will cause the decrease of the charging - discharging capacities

    鎳的資源豐富, linio _ 2比容量高,但存在污染環境、合成困難、穩定性差、結構不穩定引起容量等問題。
  16. High speed, high damping factor, with reduce / gain, full protect system, special heat radiator, excellent components. it can work at 2, 4, 8

    本機其特性為高速度、高阻尼系數、帶/增益切換等等功能、完整的保護系統,獨特的散設計,精良的元件,可輕松承受2 4 6 8負載。
  17. This equation solving method overcomes the shortcomings of simulation software on thermal field analysis, strongly complements the commonly used 1 - d temperature distribution to analyze thermo - optic devices in literature. the results avoids complicated form of solutions provided by fourier transform method, and thereafter lend itself to analyze the influence of thermo - optic to attenuation characters and power consumption in waveguide

    這種方法克服了模擬軟體在場分析上的不足,是對現有文獻多數採用一維溫度分佈作為光器件分析的有力補充,也避免了傅立葉變換法的復雜形式,為後面分析光效應對器件性能和功耗的影響打下了基礎。
  18. With the increasing of temperature, the mineral catalytic effect is losing quickly, and completely lost above 1200 ( c, which agrees with the results by other researchers. the study of residual carbons from cfb fly ashes and its comparison with pyrolysis chars have confirmed both deactivation and ordering of turbostratic carbon

    本文建立了一個簡單的焦碳反應性模型,將此模型用在一個一維的cfb基本模型中,給合在一個小型態cfb實驗臺的燃燒實驗,考察了模型對飛灰含碳量的預測受焦碳失活的影響。
  19. In this paper, firstly, three - dimensional geometrical models of the target and ir flares are established and by using the software vega missile attacking process is real - time simulated visually. secondly, the ir radiation characteristic of the target, background and the ir flares are analyzed, in which the wave radiation of the sun at different time, wind speed, the relative humidity and ir radiation attenuation characteristic of the atmosphere is under consideration. from above the ir image of the target, ir flare and the background are got and then are normalized to gray color image that will be showed in a child window in real time

    本文通過三維建模工具creator建立目標、背景和干擾的三維模型,再通過視景模擬軟體vega生成載機、導彈和目標飛機的可見光場景圖像,實時地對導彈攻擊工程進行可視化模擬;並分析了目標、背景和干擾的紅外輻射特性,計算出傳感器路徑上大氣等等,將經過的目標、背景和干擾的輻射強度量化為灰度圖,以子窗口形式實時顯示;進一步可以使目標和干擾按照各自的運動軌跡運動,便可產生動態的紅外圖像序列。
  20. In this part, the issues and mechanism of light degradation of b - doped p - type cz - si solar cells are introduced firstly, it was clarified that boron and interstitial oxygen are major components of defect center for light degradation of b - doped cz - si solar cells. then in the experiment the b - doped cz - si is chosen as the substrates and annealled at different temperature

    文中首先介紹了摻硼單晶硅太陽電池的光照問題及機制,然後以p型摻硼單晶硅為實驗樣品,經過不同溫度的處理,對影響光的主要因素硼、氧進行了研究。
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