thermal property 中文意思是什麼

thermal property 解釋
熱的特性
  • thermal : adj. 1. 熱的，熱量的，溫熱的；由熱造成的。2. 溫泉的。n. 【航空】上升暖氣流。adv. -ly
  • property : n. 1. 財產；資產；所有物；所有地，地產；所有，所有權。2. 性質，特徵，屬性，特性；【邏輯學】非本質特性。3. 〈pl. 〉 【戲劇】道具；〈英國〉服裝。
  1. A final " imperfection " of resistors is an inconvenience but cannot properly be regarded as an imperfection as it is a fundamental property of all resistors : thermal or johnson noise

    關于電阻的非理想特性，最後一項內容是熱噪聲，也稱為約翰遜噪聲。其實這並不能稱為完全意義上的非理想特性，它是電阻的固有性質，任何電阻器都不例外。
  2. Furthermore, both current in - situ conductivity test data interpretation methods and gshp design methods are based on models that only consider heat conduction. therefore, the groundwater flow may impact the results of in - situ thermal property of soil, and then the ghe size, and make the short - time economics of gshp comparatively unattractive consequently

    此外，由於現場對巖土熱物參數的測試及分析也都僅考慮了熱傳導的影響，這勢必影響現場測試結果的精度，最終又會引起換熱器大小的變化，使土壤源熱泵的經濟性受到挑戰。
  3. The conclusions obtained as follows : firstly, the structure ' s free frequency is decreased by the reduction of the mechanical property of the material with the increasing temperature ; secondly the thermal stress produced by the temperature gradient may decrease or enlarge the structures natural frequency ; thirdly, the variety of natural frequency of the alloy structures effected by the heat effect apparently higher than that of the composite material structures

    最後，採用ansys程序分析了合金材料、復合材料的板、彈體結構的熱振動特性。在不同的熱載條件下，取得以下結論：升溫導致的材料機械性能下降都會降低結構固有頻率，而溫度梯度產生的熱應力可能降低也可能提高結構的固有頻率；金屬材料結構的固有頻率受溫度的影響要比復合材料結構的固有頻率受溫度的影響要明顯。
  4. 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。
  5. 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溫度超過400 ，但在ptfe中加入無機填料會使復合材料吸水率提高，熔融溫度及分解溫度降低，且伴有氧化分解反應；碳纖維表面含有c = o及c - o - c等極性基團，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，擬合曲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，在金屬表面均可形成潤滑轉移膜，從而減少金屬摩擦副表面間的直接接觸，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 。
  6. The thesis introduces the types and their property characteristics and applications in building engineering of the normal thermal insulating materials at present, including selection of materials, methods of thermal insulating work, design and calculating methods and some important problems in application

    摘要本文較系統地介紹了目前常用的保溫隔熱材料的類型、性能特點及在建築工程上的應用，包括選材、保溫做法、設計計算方法及應用中應注意的問題。
  7. Intouch so as to implement the function of a / d and i / o in the software of intouch are also described. finally a typical application example, the thermal engineering property experiment system for refrigerated containers is illustrated

    實驗所選擇的冷藏集裝箱的型號為1aaa ? s ? 042 ，並在此冷藏集裝箱上分別進行了氣密性實驗、漏熱實驗和製冷機組性能實驗。
  8. And the results of calculation and numerical simulation indicate, without increasing the intrinsic collector - junction area of power devices, collector - combed structure helps to raise the intrinsic heat - dissipating area and base ' s perimeter, improve heat - dissipating method of each cell of the chip, enhance the distribution uniformity of junction temperature and current of each cell of the chip, reduce the thermal resistance and raise the dissipation power pd and output power p0, fairly well relax the contradiction among frequency, out - put power and dissipation power of the devices, and further improve the devices " property against second breakdown

    而計算分析和二維數值模擬分析結果表明：梳狀集電結（基區）結構在不增加器件本徵集電結面積的條件下，增大了器件的本徵散熱面積和基區周長，改進了每個子器件單元內的散熱方式，提高了單元內結溫和電流分佈的均勻性，降低了器件的熱阻，增大了器件的耗散功率和輸出功率，較好地緩解了目前傳統結構中頻率與功率、功耗的矛盾，並有利於改善器件抗二次擊穿的性能。
  9. A testing study on thermal fatigue property of building up casting pipe model

    堆焊鑄管模熱疲勞性能試驗研究
  10. Study on structure and property and thermal fatigue behavior of sdh13 steel

    13鋼的組織性能及熱疲勞行為研究
  11. In this paper, a 2. 2 kw motor is used for researching thermal property. 6 thermistors are encased in stator winding, thus the temperature of stator winding can be measured

    為研究電動機的熱特性，本文以一臺2 . 2kw的三相籠形異步電動機為研究對象，預先在其內部埋設了6枚熱敏電阻。
  12. Abstract : in this paper, the workmanship of reactive sintering of thermal spray coating, microstructure and bonding property are introduced

    文摘:介紹了熱噴塗層的中溫反應燒結工藝，及其組織結構的特點和塗層結合性能。
  13. The effect of organic crystal on the conductive property of pu / cb composites was studied in this paper weightily. the structure and thermal property of composites are indicated with sem, xrd and dsc

    本文重點研究了有機晶體對聚氨酯炭黑復合體系的電性能的影響，並用sem 、 xrd 、 dsc等測試方法對體系結構和熱性能進行了表徵。
  14. Test method of thermal property for marine heat exchanger

    船用熱交換器熱工性能試驗方法
  15. The research suggests ve has good thermal property, flexural property and impact property, what ' s more, the adhesion with uhmwpe fiber is also excellent. ve resin can increase adhesion by 25 % in comparison to epoxy e - 51

    發現ve的熱性能以及力學性能要好於ve ，兩種樹脂相對e - 51環氧樹脂來說，均具有良好的粘接性，且兩種樹脂對uhmwpe纖維的粘接性比較接近。
  16. The material with polymers property in the process of plastic injection show the totally differences in physical and chemical, rheological and thermal property, which bring forward some special requirement of plastic moulding technology, and then the special type of the plastic injection machine and the special machine are developed, the research object in the thesis is the plastic injection machine of thermohardening and the bmc bakelite moulding machine

    高聚物特性的物料，在注塑過程表現出來的物理化學性質、流變性質、熱性能有很大區別，對注塑成型工藝提出一些特殊要求，於是就有了一些特種注塑機和專用機的發展，本文的研究對象是熱固性塑料注塑機及bmc電木成型機。
  17. The various properties of composite resin and materials made out of it, such as dynamic mechanical property, thermal property, vicat softening temperature, rheological behavior, morphological structure and the broken profile of the materials, were determined and characterized with the aid of dma, ta - 2000 type thermal analyzer, xwb - 300f type detector of vicat softening temperature, capillary rheometer, tem, sem, respectively

    通過dma 、 ta - 2000熱分析儀、 xwb - 300f型維卡軟化點溫度測定儀、毛細管流變儀、 tem和sem等手段對聚丙烯酸酯caco _ 3 pvc復合樹脂及其材料的動態力學性能、耐熱穩定性、維卡軟化點溫度、流變性能、形態結構與材料的斷面形貌等進行了測試和表徵。
  18. Steam turbine thermal property

    汽輪機熱力特性
  19. Polymer / montmorillonite ( mmt ) nanocomposites is a kind of novel composites and arouses great interest due to its excellent synthetical properties. in this paper, different polymerization methods are used to prepare pmma / mmt nanocomposites, whose thermal property and mechanical properties are obviously improved. the effects of mmt and organo - mmt ( ommt ) on the bulk polymerization mechanisms of methyl methacrylate and terminal polymer structure are also studied

    本文通過不同的聚合方式制備得聚甲基丙烯酸甲酯蒙脫土納米復合材料，改善了材料的耐熱性能和力學性能等；重點研究了蒙脫土（ mmt ）以及有機蒙脫土（ ommt ）對本體法甲基丙烯酸甲酯（ mma ）聚合反應機理以及聚合物結構的影響。
  20. Furthermore, electric - thermal property can be realized and thermal stress can be reduced in cf cement - based fgm in which the discontinuous carbon fibers are gradient distribution

    碳纖維梯度分佈，使得在纖維用量最少的情況下實現了導電發熱功能，並有效地改善了內部溫差和溫度應力，緩解了應力集中。
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