釋熱元件 的英文怎麼說
中文拼音 [shìrèyuánjiàn]
釋熱元件
英文
cluster of full elements-
Among the holy grails his team is chasing are a potential billionfold improvement in present - day calorimetry, which would allow observation of the individual heat quanta being exchanged as nanodevices cool, and a potential quadrillion - fold increase in the sensitivity of magnetic resonance imaging, which would enable complex biomolecules to be visualized with three - dimensional atomic resolution
他的團隊追求的聖杯之一,是讓現有量熱器靈敏10億倍,藉以量測奈米元件冷卻時釋放的一個個熱量子;另一個聖杯是靈敏千兆倍的磁共振成像,三維的解析度可達原子大小,藉以觀測復雜的生物分子。The experimental results showed that the substrate of pyroelectric sensor could significantly affect the detectivity. the porous silicon dioxide and pet plastic film substrate could effectively decrease the thermal conduction and the thermal fluctuation noise of the pyroelectric element, increase the voltage responsivity and the detectivity obviously
結果表明,多孔氧化硅和pet塑料可有效降低熱釋電元件的對外熱傳導,明顯提高傳感器的電壓響應率和降低熱釋電元件的熱噪聲。The principle and structure of pyroelectric infrared detector consisted of pyroelectric infrared sensor, fresnel lens and an application - specific controller, which is compatible with 0. 6 m 1p1m n - well cmos technology, is introduced in the paper
本文介紹了組成熱釋電紅外探測器的三大部件:熱釋電紅外傳感器、菲涅耳透鏡、專用控制晶元的結構和原理,並提出了一種0 . 6 m1p1mn - wellcmos工藝專用控制晶元的設計方案。Based on the detection principle of pyroelectric sensing elements, this paper presents a symmetrical peak detection method of continuous double plus - minus pulse signals to eliminate external interference in fixed position heat source
根據熱釋電敏感元件的探測原理,本文提出一種對正負脈沖信號和連續正負脈沖信號進行對稱峰值檢測的方法。Pmosfets and two 16 - bits shift registers were used as the impedance converting and address selection of the elements respectively. the thermal insulation layer was a polyimide film of five micrometers an
用pmos場效應管作熱釋電元件的阻抗轉換,用雙16位移位寄存器作敏感元件信號讀出的選址。Thermal and welding residual stress often produces in the proceeding of the electronic package, the residual stress release and thermal deformations of the microelectronics will reduce the assemble intensity between the chip and package, and then debase the electrical performance of the assemble circuit, numerous thermal cycling will lead to thermal fatigue or thermal failure of the microelectronics
電子封裝器件在生產的工藝過程中,往往會產生熱殘余應力以及焊接殘余應力,殘余應力的釋放作用及器件在使用過程中的熱變形,會降低集成電路晶元與封裝體的結合強度,進而降低集成電路的電性能,反復的熱循環,將導致器件的熱疲勞失效,嚴重時可導致矽片或陶瓷片破裂,使整個器件遭到破壞。Aim : to analyze the mechanism, thermadynamic theoretical basis, dynamic mechanism and influencing factors of thermally induced phase separation ( tips ) in order to completely grasp the factors affecting the size, distribution and form of pores, so that the adjusted range of pore can be widened and the preparation of porous membrane can be repeated and controlled. methods : considering from the structural characteristics of tissue engineered materials, the methods of preparing porous membrane using tips technique, the hermadynamic theoretical basis, dynamic mechanism and influencing factors were analyzed, the problems and investigative directions in the future were also analyzed. tips technique is a process of phase separation of polymer homogenous solution under quenching, and it is suitable for diameter and structural form of the micropore materials prepared using tips are closely correlated with the kind and dispensing proportion of polymer attrnuant, polymer concentration and polymer molecular mass, etc. conducted, including determination of polymer - solvent system phase diagram, study of form and appearance of porous membrane of different thickness, study of form and appearance of porous membrane prepared with systems of different x, which is the parameter of polymer - solvent interaction
目的:分析熱致相分離成膜過程的機理、熱力學理論基礎、動力學機制以及影響因素,以便充分掌握影響孔度大小、分佈、形態的因素,使孔度調控范圍得以拓寬,使多孔膜的制備能重復可控.方法:從組織工程材料結構特點出發,分析熱致相分離聚合物多孔膜的制備方法及該法成膜的熱力學理論基礎、動力學機制以及影響因素.並分析實驗中存在的問題及今後的研究方向.結果:以熱致相分離法可制備聚合物多孔膜.熱致相分離法制備多孔膜是高聚物均相溶液在淬冷條件下發生相分離的過程,它適用於上臨界共溶溫度型聚合物一稀釋劑二元體系.熱致相分離法成膜的過程,可以認為是旋節線機理佔主導地位.熱致相分離法制備的微孔材料,其孔隙率、孔徑大小、結構形態與聚合物稀釋劑的種類、組成配比、聚合物濃度、聚合物分子量等因素密切相關.結論:可採用熱致相分離技術制備多孔膜,通過改變不同的成膜條件可獲得一系列不同孔徑尺寸和孔徑分佈的多孔膜材料.對熱致相分離成膜過程中聚合物-溶劑體系的相圖測定,不同厚度的多孔膜形貌研究,不同x (聚合物-溶劑相互作用參數)體系所制備的多孔膜形貌等需深人研究In the investigation of the interaction of the us - ui laser pulse with the plasma, a standard - ray source is firstly used to absolutely calibrate lif mermc - luminescence dosimeters ( tlds ), and the dosimeter are employed as the angular distribution spectrometer and the energy spectrum spectrometer of the hot electrons
在超短超強激光等離子體相互作用的研究中,首次採用137cs鄧標準源對lif熱釋光探測器( tlds )進行了絕對標定。並以此作為電子角分佈儀和電子譜儀的探測元件,研究了超短超強激光與等離子體相互作用中超熱電子發射的角分佈和能量分佈。The ferroelectric materials for their excellent dielectric, piezoelectric, ferroelectric, pyroelectric, electro - opticial, phonon - optic and nonlinear polarization properties have been widely applied in many fields especially in microwave tunable devices, such as phase shifter in phased array antenna, resonantor and filter etc. as far as microwave tunable dielectric materials, barium strontium titanate ( bst ) and its doped series have been investigated intensively, which have about 50 % tunability
鐵電材料具有優良的介電、壓電、鐵電、熱釋電、電光、聲光及非線性極化等特性,在多種領域有著廣泛的用途。利用其非線性極化特性能制備微波可調元器件,如相控陣天線上的移相器,諧振器,濾波器等。Surface - conductance model are introduced to illustrate the mechanism of the conductivity and the gas sensibility of semiconductor. we make clear the reason of the good selectivity of sno2 - based sensors is the selection of heating voltage and the pt - heater acting as catalyst
在解釋敏感機理的時候,我們引入了表面電導模型來解釋並且搞清楚了sno _ 2元件有較好選擇性的原因是加熱電壓的選擇以及基片上的鉑電極起了催化劑的作用。This type of capacitor has an assembling full - sealed structure, and it is comprised of capacitor unit body, contain - er, insulation cooling impregnant, outlet ceramic bushing, pressure - releasing valve and temperature controller etc. the internal insulation cooling impregnant is isolated from external atmosphere so as to avoid aging of impregnant and ingress of moisture
全密封集合式並聯電容器主要由電容器單元組成的器身波紋油箱絕緣冷卻油出線套管支持絕緣子壓力釋放閥及溫度控制器等部件構成。採用波紋油箱增大散熱面積降低產品溫升。Integration, networking and intellectualization are the trend of the infrared alarm system in the future. zigbee is a wireless technology with global standard, and is designed for low - cost, low - power - consumption, and the supporting of wireless network. based on the deep understanding of zigbee, a new type of infrared alarm system is investigated
集成化、網路化和智能化是紅外探測防盜報警系統未來的發展趨勢, zigbee技術是一種全球統一標準的無線技術,低成本,低功耗,支持無線組網,本文在深入研究zigbee技術的基礎上,在開發新型紅外探測防盜報警系統方面作了探索性的研究,主要內容為: 1 .介紹了熱釋電紅外傳感器的原理、結構和特點,以及以熱釋電紅外傳感器作為核心元件的被動式紅外探測器防盜報警技術的發展概況。分享友人