熱化學性質 的英文怎麼說
中文拼音 [rèhuàxuéxìngzhí]
熱化學性質
英文
thermochemical property-
So the effect of eutrophication of dianchi lake of sediment ca n ' t be ignored. based on the research of modern sediemnt of dianchi lake, the thesis is concerned about some physical and chemical characteristics ( including magnetic susceptibility, ammoniac nitrogen and effective phosphprus etc. ) and thermodynamics analysis of spontaneous mineral of iron
本論文主要以滇池現代沉積物為研究對象,對滇池現代沉積物的主要物理和化學性質(包括氨氮、有效磷、磁化率等) ,進行基礎性地分析研究並對滇池現代沉積物鐵的自生礦物進行了熱力學分析。Cubic boron nitride ( cbn ) is a synthesized wide - band - gap iii - v compound semiconductor and has lots of excellent physical and chemical properties. it has been attracted a nice bit of attention for years because of its application in mechanics, calorifics, optics and electronics
立方氮化硼( cbn )是一種人工合成的寬帶隙-族化合物半導體材料,它有許多優異的物理化學性質,在力學、熱學、光學、電子學等方面有著非常誘人的應用前景,多年來一直吸引著國內外眾多研究者的興趣。The structures and characteristics of several graphite samples are measured by means of powder x - ray diffraction ( xrd ), brunauer - emmer - teller ( bet ) surface area measurement, inductively coupled plasma ( icp ) spectroscopy, particle size analysis and electrochemical measurements. the effects of origin, structure, impurity, particle size, specific surface area of carbon materials on the electrochemical characteristics are studied. a synthetic graphite with abundant resources, low cost and favorable performance is determined as the raw material for modification of graphite
採用xrd 、 bet 、 icp 、激光粒徑分析及電化學性能測試等方法,對國內外多種典型石墨樣品的結構與性能進行比較,研究石墨材料的來源、晶體結構、雜質含量、顆粒大小、比表面積等因素對其充放電性能的影響,確定一種性能較好、價格低廉、來源廣泛的普通人造石墨粉作為熱處理與摻雜改性、以及復合結構炭材料研究的原材料。Indium stannum oxide ( ito ) as semiconductor have caused a great deal of interest due to their prominent electro - optical behavior. ito has high prominent transmittance, high infrared reflectance, good electrical conductivity, ito applied as gas sensors, photovoltaic devices, heat reflecting mirrors, solar cells, flat panel displays, liquid crystal displays, electroluminescent, devices and organic light - emitting diodes ( oled ) etc. although preparations and applications of ito films have been studied deeply. nano - ito composites hardly studied
氧化銦錫( ito )是一種高簡並的n型半導體,由於具有導電性,可見光高透過率,紅外反射性,穩定的化學性,被廣泛應用於熱反射建築玻璃、抗靜電塗層,太陽能電池,熱發射鏡,平板顯示器和液晶顯示屏,傳感器,有機光致二級管( oled )等方面,國內外對高質量的ito薄膜的制備和應用進行了深入的研究,但是很少有ito納米粒子與高分子材料復合的報道。Particularly, cr4 + - doped crystals as passive q - switch ( saturable absorber ) have got extensive attention, such as cr4 + : yag , cr4 + : gsgg , cr4 + : mg2sio4 and cr4 + : yso, which have the advantages of wild absorption band, good saturable absorption, long restored time, good photo - chemical stability, no fading, good thermal conductivity and high damage threshold
特別是近年來,摻cr4 +離子的各種晶體如cr4 + : yag , cr4 + : gsgg , cr4 + : mg2sio4和cr4 + : yso等作為被動調q開關受到了廣泛的關注。它們具有很寬的吸收帶和良好的飽和吸收性質,恢復時間較長,光化學性質穩定,無退化現象,熱導性好,損傷閾值高。Electrode materials have effects on properties of electrochemical capacitor, many carbonaceous materials such as active carbon, pyrolytic carbon, active carbon fiber and carbon nanotube were mainly used in electric double - layer capacitor. because of synthetic conditions and cost, we studied their electrochemical properties of electronic double - layer capacitor that pyrolytic carbon was used as their electrode materials
電極材料是影響電化學電容器性能的主要因素之一,應用於雙電層電容器的電極活性物質主要是各種碳材料,如各種活性炭、熱裂解碳、碳纖維、碳納米管等,考慮到合成工藝和成本因素,我們採用熱裂解碳為雙電層電容器的電極材料,並研究了它們的電化學性能。Using results of this paper and thermodynamical bethe ansatz method, one can study the thermodynamics of this model under open boundary conditions
在本文結果的基礎上,利用熱力學betheansatz方法,可進一步研究此模型的一些熱力學性質,如比熱、磁化率等。Topics include : connection of macroscopic thermodynamic properties to microscopic molecular properties using statistical mechanics, chemical potentials, equilibrium states, binding cooperativity, behavior of macromolecules in solution and at interfaces, and solvation
主題包括:以統計力學、化學位能、平衡態、協同鍵溶性、溶液中/界面間的巨分子行為及溶解等現象來連接巨觀熱力學性質與微觀分子性質。The recombinants were constructed by transforming ppic9 a - xynb into p. pastoris gs115. the assay results revealed that the xylanase gene xynb was overexpressed and secreted effectually in p. pastoris. in 3l fermentor the expression level of xylanase xynba exceeded 1200iu / ml and the expressed xylanase had normal bioactivity. the molecule weight of xynba was determined as about 31kd which is higher than 23kd of original enzyme xynb from streptomyces olivaceoviridis a1. xynbb was gotten by deglycasylation of xynba, whose molecule weight returned to 23kd. we comparised the enzymatic properties of xynba expressed in p. pastoris, xynbb deglycasylated from xynba and xynb produced from streptomyces olivaceoviridis al : there was little difference among the three enzymes on optimal ph, the optimal ph of xynb and xynba were both 5. 2, the optimal ph of xynbb was 5. 0 ; the optimal temperature of xynb and xynba were both 60 c, while the optimal temperature of xynbb was 50 ? ; because of glycosylation the thermal stability of xynba was better than xynb and xynbb ; the specific activity of xynba and xynbb were 883. 88iu / mg and 832. 5hu / mg respectively, which were both lower than 2814. 45iu / mg of xynb ; the km values of xynb and xynba were similar to each other which were 21. 56 ( g / kg ) and 20. 87 ( g / kg ), while the km value of xynbb was 27. 10 ( g / kg ) ; the fmax of xynba and xynbb were 4568umol / mg. min and 5329umol / mg. min respectively which were lower than 27623 umol / mg. min of xynb ; additionally all of the three enzymes did not display cellulase activity. they all had well resistance to pepsion and trypsin, and were not sensitive to metal iron, surface active agent and chelating agent. the analysis of different xylans enzymatic hydrolysate revealed : by xynba, that the main constitutions of enzymatic hydrolysate of birch wood xylans were xylotriose and xyloquaiose, which account for 68. 43 % and 16. 50 % respectively, additionally there was 11. 79 % of xylobiose ; the main constitutions of enzymatic hydrolysate of corncobs xylans were xylobiose and xylotriose, which account for 81. 78 % and 11. 55 %. the result indicated that this xylanase was a kind of 1, 4 - b - d - xylanohydrolase and was fit to used in industrial procession of xylooligosacc harides
進一步對xynba進行了脫糖基化處理得到xynbb ,其分子量恢復到23kd ,證明xynba是糖基化蛋白。通過對畢赤酵母重組表達的木聚糖酶xynba 、脫糖基化的木聚糖酶xynbb以及橄欖綠鏈黴菌a1所產原酶xynb之間酶學性質的比較發現:三種酶的最適ph差異不大, xynb和xynba均為5 . 2 , xynbb為5 . 0 ; xynb和xynba的最適溫度均為60 , xynbb降為50 :在耐熱性上, xynba由於糖基化作用熱穩定性明顯高於未糖基化的xynb和xynbb ; xynba和xynbb的比活性分別為883 . 88iu mg和832 . 51iu mg ,明顯低於原酶的比活2814 . 45iu mg ; xynb和xynba的km值相當,分別為21 . 56 ( g kg )和20 . 87 ( g kg ) ,而xynbb的km值較大為27 . 10 ( g kg ) ; xynba和xynbb的vmax相差不大,分別為4568 mol mg ? min和5329 mol mg ? min ,明顯低於xynb的27623 mol mg ? min此外三種酶均無纖維素酶活性,對胃蛋白酶和胰蛋白酶有很好的抗性,且對作用環境中的各種離子、表面活性劑、螯合劑不敏感。通過對不同木聚糖的酶解產物的糖份分析發現:以樺木木聚糖為底物時,酶解產物主要為木三糖和木四糖,含量分別為68 . 43和16 . 50 ,另外還含有11 . 79的木二糖;以玉米芯木聚糖為底物時,酶解產物主要為木二糖和木三糖,含量分別為81 . 78和11 . 55 。Due to good chemical stability and electrical resistivity, high thermal conductivity and mechanical intensity, wide band gap and low thermal expansion coefficient, aln thin films can be applied for insulating chips for semiconductor devices with high power, thermal dissipation lagers for large and super - large scale integrated circuits, insulating layers or passivation layers for semiconductor
超薄鋁膜由於其特殊的的光學性質,在光學多層膜上有廣泛應用。氮化鋁薄膜化學穩定性高、熱傳導率高、機械強度高、電絕緣性能佳、高能隙、熱膨脹系數低,光學特性優良,可以用作大功率的紫外光學器件的散熱材料。Considering the different physical and chemical properties between magnesium granules and calcium carbide powders, the thermodynamics, mechanism and kinetics of desulphurization in hot metal by magnesium injection were mainly discussed
鑒于金屬鎂粒和碳化鈣粉這兩種脫硫粉劑的物理和化學性質有著本質的區別,作者重點分析研究了鎂粒在脫硫過程中的熱力學、反應機理和動力學。Studying the heat - mass transfer and multi - spices electric - chemical reaction, a dynamic temperature model was deduced for molten - carbonate fuel cell stack. the thermal radiation, shift reaction, and the change of gas spices were considered in this model. establishing momentum equation, the paper has developed a 3d temperature and flow fields model for mcfc stack based on cfd technique
建立了熔融碳酸鹽燃料電池堆內部單體的暫態溫度模型,並考慮了電堆的輻射換熱、轉換反應、反應氣體組分變化對溫度場的影響;根據mcfc的微分控制方程組,考慮氣體組分的熱力學性質及動量變化的影響,利用數值分析方法求解熔融碳酸鹽燃料電池堆的三維流場與溫度場,分析了各作用因素對熔融碳酸鹽燃料電池堆溫度分佈的影響機制。This article gives a review on the progress of the recognition and complexation between cucurbiturils as a noval macrocyclic host compound and metal ion, including the synthesis methods of supermolecular adducts, crystal structures, thermodynamics of binding and potential applications
摘要概述了新一代大環主體化合物南瓜尼與金屬離子的識別及配合作用的研究進展,包括其超分子配合物的合成方法,晶體結構,鍵合的熱力學性質及其應用前景。Firstly the interactional principle of laser and material, the physical and chemical properties of the thermoplastic plastic is studied in theory, and the laser sintering mechanism of powder is also studied
首先從理論上分析了激光與材料相互作用原理和熱塑性塑料的物理、化學性質,並且研究了粉末激光燒結機理。In conclusion, the application of wilson equation to the calculation of thermodynamic properties of al - based liquid alloys succeeds and a foundation for the theoretical analysis of both the electrolysis and electrorefming of aluminum metallurgy and the development and calculation of process design of al - based alloys is provided
Wilson方程在鋁基液態合金熱力學性質計算中的應用取得了成功,為鋁冶金的熔鹽電解和原鋁凈化以及鋁基合金的研究開發和工藝設計計算提供了理論分析依據和指導。The immersion electrical heater is chiefly applied in the direct contact mode of fluid heating. it features fast heat exchange and high thermal efficiency. it has the varieties of water heater, oil heater and gas heater. its heating element power density, i. e. the power per unit of heating area of the heating element, is an important parameter of the electrical heating element, which has a direct bearing on the performance and working life. the working out of the value is a highly specialized problem, being under the influence of many factors ( media flow rate, tempt, physical and chemical properties and direction in which the medium flows past the element etc )
浸入式電加熱器主要用於直接對流體接觸加熱的場合,具有熱交換快,熱效率高等特點,分為水用加熱器、油用加熱器、氣體用加熱器,加熱元件的功率密度:即電加熱元件單位發熱面積上的功率,它是電加熱元件極重要的參數,直接影響加熱器的使用性能及使用壽命,它的取值是一個非常專業的問題,受到許多因素的影響(如介質的流速、溫度、物理和化學性質及介質流過加熱元件的方向等等) 。We put our emphases on four sections : the opening of the energy gap and its effects on the thermodynamic properties in low temperature, quantum fluctuation and the hidden long - distance order parameters, the magnetization and the specific heat properties under the extern magnetic field of the ferromagnetic chain, and the energy spectrum of the ferromagnetic ladder
著重研究在一維量子自旋系統中的能隙的打開、以及能隙對系統熱力學性質的影響;量子漲落和系統隱含的序參量;亞鐵磁的在外場下的磁化性質以及比熱性質;和亞鐵磁雙鏈系統中的能譜。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。According to bernoulli theorem, kinetic energy and potential energy change due to the thermokinetic differences of steam and conden sation water, and action valve plate starts and stops to choke air and drain water
圓盤式疏水閥是根據伯努力熱動力原理,利用蒸汽和凝結水通過閥孔時流速和何種產生變化的不同熱力學性質,驅動閥片開關閥門,從而達到阻汽排水。The effects of the monolayer - formation conditions on the monolayer behavior, including the phase structure ( molecular packing ), intermolecular interactions, stability, and so on, were discussed. based on the theory model we study low molecule weight surfactant ( behenic acid ) and phospholipid monolayer and the cyclic isotherms of their mono layers ; including the standard thermodynamic characteristics and aggregation of the cyclic isotherms
從力學性質著手,我們討論了成膜條件對相態結構(分子排列) 、分子間作用力、穩定性等物理化學性質的影響;在此基礎上,利用現有的理論模型討論小分子化合物(二十二酸)及其磷脂分子壓縮、擴張過程分子聚集、擴散機理及其熱力學問題。分享友人