有效熱阻 的英文怎麼說
中文拼音 [yǒuxiàorèzǔ]
有效熱阻
英文
effective thermal resistance-
Infrared imagery, being sensitive to differential heat capacity of the ground, has proved useful in mapping faults which behave as aquicludes.
紅外成像對于地面不同熱容量是敏感的,對于作為阻水的斷層的填圖證明是有效的。The polyester fibre of resisting bacterium is one without which people can t live in modern times, but how to restrain the bacterium propagating excessively and keep people in health is a most important goal that fabrics and clothing industry are striving for. fibre of resisting bacterium can kill the bacterium effectively with the ratio of more than 99 % and it can restrain microbes. the polyester fibre of resisting ultraviolet radiation is also widely used. with the decreasing of ozonospheres in the atmosphere, there are more ultraviolet radiation in the sunlight which do harm to our skin, especially for those men working outdoors, it is more important to think about the way to lessen the harm. the polyester of burning - resisting has attracted more attention at home and abroad and burning - resisting textiles has been advanced definitely by law in many countries. our nation has also made strict claims in some special areas, such as fabrics in vehiciles and vessels, decorative fabrics in hotels. the everlasting burning - resisting fibres and textiles are badly needed. infrared ray fibre is also a new functional one that can absorb and reflect infrared ray after being processed physically. it s functions include physical therapy wet - ejecting and bacterium - restraining. this warm - preserving material can absorb the emitting heat from our bodies, at the same time it can also absorb and reflect the needed 4 - 14 urn wavelength ultraviolet radiation and accelerate netaboiism. fibre of resisting infrared ray is important in military areas
抗菌纖維具有永久的抗菌性,對金黃色葡萄球菌、大腸桿菌殺菌率大於99 ,能有效抑制細菌繁殖,起到抗菌防臭作用;抗紫外線聚酯纖維的用途也是異常廣泛的,隨著大氣層中臭氧層的日漸稀薄,日光中的紫外線日益增加,對人體皮膚形成極大危害,尤其對于長期從事野外工作的人,因此設法減少紫外線對人體的傷害顯得尤為重要;阻燃聚酯纖維則是一種倍受國內外人士密切關注的纖維,紡織品阻燃在許多國家已有明確法令規定,我國也逐漸在某些特殊使用范圍做嚴格要求,如車船內用紡織品,高級賓館的內裝飾織物等,而且具持久性阻燃性的纖維和織物是現在更為需要的,真可謂用途非常廣泛;遠紅外纖維也是一種經過物理改性后具有吸收並反射遠紅外線的新型功能性纖維,是一種具有優良理療功能、熱效應功能和排濕透氣抑菌功能的新型紡織材料及保溫材料,能吸收人體自身向外散發的熱量,吸收並反射回人體最需要的4 14 m波長的遠紅外線,促進人體的新陳代謝;抗紅外線纖維,則在軍事上有著重要的作用。" it is very unusual for this species to die in large numbers, " the awf said, warning that immediate steps needed to be taken to prevent the anthrax from spreading
報道說,非洲野生動物基金會對此表示: 「這種動物大批死去其實是一種極不尋常的現象。 」它同時警告說,應當立即採取有效舉措以阻止炭疽熱的進一步傳播。The article elaborates the construction and principle of operation and process craft of the tube and corrugated fin rad i ator, and studies the heat transfer mechani sm and the fluid resistance characteristics of the tube and corrugated fin radiator
本文闡述了管帶式散熱器的結構、工作原理和加工工藝;研究了管帶式散熱器的傳熱及流動阻力特性;進行了散熱器性能強化的影響因素與有效途徑分析。The heat - exchange apparatus is the window for air - conditioner to exchange energy with outside. we analyze the efficiency of heat - exchange apparatus by the theory of heat - transmit, and compare the advantage and disadvantage of different type evaporator ' s and condenser ' s design by lots testing, and compare the effect of heat - exchange for different type flake, and compare the effect of heat resistance for different stretch of copper tube and flake. then we get many useful results from those different comparing
蒸發器與冷凝器統稱為換熱器,換熱器是空調器與外界進行能量交換窗口,利用傳熱學原理對換熱器的效率進行分析,通過大量的試驗比較不同的蒸發器,冷凝器設計方案的優劣;比較冷凝器使用不同片型對換熱效果的影響;比較銅管與翅片的不同脹緊對熱阻的影響,通過比較得出很多有用的結論。Using the dynamic mechanical analyzer ( dma ), pdms / pma ipn was investigated at temperature of 5 - 180 c. the initiator, the component ratio, the type of pdms and the filler effected the damping properties. the result showed that the damping ability varied with the parameter and there was an optimal value. the excellent damping material in the papers was ipn, where tan man was 0. 735, and the damping functional temperature ranged with tan 8 > 0. 3 was 46 c. the micro - morphology and structure of pdms / pma ipn were characterized by two kinds of sem
高分子阻尼材料的有效阻尼功能區是在ipn材料的t _ g區間內,而研究常溫條件下的阻尼性能更具有重要應用價值,運用動態熱機械分析( dma )儀對ipn阻尼材料進行表徵,在5 180內對其損耗因子( tan )進行研究,發現引發劑和交聯劑的用量、聚硅氧烷的用量和分子量等參數對ipn阻尼性能的影響較大,存在一個合理配比值,當pma與粘度為3300pa ? s的pdms之比(質量比)為1 . 17 : 1 、交聯劑用量為1時, tan最大值為0 . 735 ,大於0 . 3的溫域差達到46 。The chip of microbridge structure thermocouple type microwave power sensor is designed by using seeback domino offect of thermocouple. ta2n of relatively low resistor - temperature coefficient and si of relatively high thermoelectric power seebeck coefficient are used as thermocouple materials in the chip
微梁結構熱偶微波功率傳感器晶元就是利用熱偶的塞貝克效應設計的,晶元選擇具有低電阻溫度系數的ta2n和具有高熱電系數的半導體單晶si作為熱偶材料。The epoxy resin modified by polysiloxane have the advantage of both polysiloane and epoxy resin, it have good heat - resistance, moisture - resistance, dielectric properties. to improve the heat - resistance and the strengthening of the composite, nano - sio2 has been add into the reaction system to modify the epoxy resin with polysiloxane
這種復合基體能有效得利用有機硅樹脂優異的耐熱性、耐候性、電絕緣性、憎水性、阻然性及耐寒性能,同時又具有環氧樹脂良好的粘結性、耐溶劑性及配伍性等優點。Of the currently available coolers for electronic products with a high heat flux, microchannel heat sinks have been proved to be able to provide the best heat transfer performance and are one of the most promising coolers. the manifold microchannel ( mmc ) heat sink has many advantages such as low thermal resistance, compact structure, little amount of coolant, low flow rate, uniform temperature distribution along the flow direction and many others, so it is able to provide the best heat transfer performance : lowering the maxmal temperature and the temperature difference
在目前高熱通量電子產品冷卻器中,微通道熱沉已被證實是傳熱性能最佳且最具應用潛力的冷卻方式之一,而歧管式微通道熱沉因具有低熱阻、結構緊湊、所需冷卻液量小、沿流動方向溫度分佈均勻等優點則成為減小電子元器件換熱表面最高溫度、降低溫度變化的一種有效方法。Ftir, thermal conductivity device and smart digital rounding temperature testing device are used to test the infrared absorption spectrum, thermal conductivity and temperature changes of the title coatings, it is concluded that when hudrotalcite and magnesium sulfate is mixed by 4 to 10, the heat insulation property is the best, and the temperature changes of nizi increased by 5 approximately compared with those without hydrotalcite and magnesium sulfate compound system, but the heat conduction coefficient is hardly increased because of the different mechanism of heat insulation of the fillers, which further prove that heat insulation with fillers is based on infrared barrier
本文使用傅里葉變換紅外光譜儀、導熱系數儀和智能數字式巡迴檢測溫度測試儀分別測試了添加具有紅外阻隔能力填料的內墻塗料的紅外吸收光譜、導熱系數和溫度變化情況,通過測試結果得出結論:水滑石和硫酸鎂在質量比為4 : 10的時候,紅外阻隔性能最優,其溫差變化較沒有添加水滑石硫酸鎂復合體系時提高5左右,而對內墻塗料的導熱系數幾乎沒有影響,這是由於填料對塗料的保溫機理不同所致,同時也進一步驗證了填料是通過紅外阻隔來達到保溫效果的。The developed extinguishing material possesses excellent properties of heat insulation and vapor seal, and the method shows satisfactory extinguishing effects on the oil surface on the basis of small - scale oil tanks
熱輻射試驗和小型油罐滅火試驗證明,該材料具有良好的液面隔熱阻氣性能和滅火效果,適合撲救任何油池火災。Through study of match of the system with load, the paper suggested thin hole as damping parts which can make system working in optimal working site and efficiently converting wind energy to heat energy
通過對系統與負載匹配的研究,提出採用薄壁孔元件作為阻尼元件可使系統始終工作在最佳工作點有效地將風能轉化為熱能。Based on an advanced formula, the plastic parts are made of injection - molded, high - strength engineering plastic pc by numerical control equipment, therefore effectively prevent products from aging caused by coldness, heat, oxygen and ultraviolet radiation
整套接頭筒塑件採用科學配方的高強度pc工程塑料,經過數控設備注塑成型,能有效地阻止大自然中冷熱氧和紫外線引起的材料老化,並且具有優良的力學強度。Then it discusses the influence of electric parameters on the heating effect bases on an analysis of the result of the numerical simulation
在集膚效應作用下,電纜導體內部的有效過流面積減小,交流阻抗顯著加大,其發熱量也很大,井下電纜伴熱加熱技術就是利用這一原理來加熱原油的。( 2 ) axial pre - swirling inflow on high radius holds back the further transmission of heat effectively, to inner part of cavity
( 2 )軸向高位進氣有效地阻止了熱流向盤腔內端縱深傳遞,在進氣加有預旋時效果更好。It avoids the disturbance of the constant current source by improved constant current source method, with high precision and nice resolving power. the circuit has wide application with simple structure, low cost, low power dissipation and small. it can be used in the precise temperature measurement and control systems, such as laser diode
用改進的恆流源法測量熱敏電阻的阻值,有效地克服了恆流源的干擾,測量精度高,測量解析度可達0 . 01 ,測溫準確度可達0 . 5 ;並且該電路結構簡單,成本低、功耗小、體積小、具有很高的實用價值,可用於需要精密測溫與控溫系統中,如激光二極體的溫度控制中。However, when both temperature gradient and compressive stress exist, the interaction between mechano - electric effect and seebeck effect is obvious. so methods are suggested to remove the coupling effect. similarly, electromechanical effect of cfrc can affect electrothermal effect and vice versa
碳纖維混凝土的電力效應與電熱效應的耦合關系明顯,一方面,電力效應中包含有電熱效應的貢獻;另一方面,電力效應所引起的微結構變化導致碳纖維混凝土電阻的增加。After vaccum annealling in magnetic fileld, the films were studied by grazing incidence x - ray diffraction analysis and scan of x - ray diffraction. the results showed that fe atoms could be separated from cu matrix, which results in the increasing of the interface scattering, and enhance gmr effect
通過對真空磁場熱處理前後的薄膜的gixa分析及xrd掃描發現,真空磁場熱處理能夠使沉積態薄膜中的fe原子從cu的晶格中定向析出,這使得熱處理后薄膜內部的界面散射增多,能夠有效的提高薄膜的巨磁阻值。In summer, it can effectively insulate 55 % - 70 % heat and remarkably keep the indoor temperature 5 - 8 lower than outdoor and in winter effectively keep indoor temperature constant
在炎炎夏季可有效阻隔55 % - 70 %的熱量,顯著降低室內溫度,可使室內外的溫度相差5 - 8度。Combined with the permeability and heat transfer properties of lamilloy configurations obtained by experiments, a one - dimensional porous wall thermal heat transfer model was applied to the analysis of the mass flow rate, and the overall cooling effectiveness of different lamilloys according to the pressure drop between the two sides
摘要基於一維多孔材料內傳熱理論,建立層板冷卻的理論模型,應用由實驗獲得的各種層板結構的流阻和換熱特性,由層板兩側的壓差估算通過層板的冷氣流量和層板結構的冷卻有效性。分享友人