熱穩定化作用 的英文怎麼說

中文拼音 [wěndìnghuàzuòyòng]
熱穩定化作用 英文
thermostabilization
  • : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
  • 穩定 : 1 (使穩定) stabilize; steady 2 (穩固安定) stable; steady 3 (物質的性能不易改變的作用) stabi...
  1. Ptfe has many excellent properties such as : bonzer self - lubrication ^ low fricatiom chemistry stabilization and thermal stabilization, but its wear resistance is very low to improve the wear resistance of ptfe a lot of researches have been down by means of adding fillers to it, there are still less report on nano - inorganic filler filled ptfe composites to change properties. in this paper, experimental study was made to question above problem

    Ptfe具有優異的自潤滑、低摩擦、性和性,但耐磨性較差,因而人們在利不同種類的填料對ptfe進行填充改性,提高耐磨性方面了大量研究工,但在使納米無機填料填充改性ptfe方面研究很少,因此本課題主要探討這一方面的問題。
  2. On - line cip51, which is a new - style single - chip microcomputer, applied to temperature control system of roll for synthetic fiber and rayon fabrics. in many aspects, such as data transaction, stability and anti - jamming, cip51 has great advantage to congeneric single - chip microcomputer

    將c8051f020單片機於紡織纖行業牽仲輥的溫度控制系統,現場實表明,在數據處理能力、工性和抗干擾等方面與同類單片機相比具有明顯的優越性。
  3. 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進行了脫糖基處理得到xynbb ,其分子量恢復到23kd ,證明xynba是糖基蛋白。通過對畢赤酵母重組表達的木聚糖酶xynba 、脫糖基的木聚糖酶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 :在耐性上, xynba由於糖基性明顯高於未糖基的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 。
  4. Carbon block has the properties of superior electric and thermal conductivity ; better chemical stability ; better bulk stability, as well as high strength in high in the blast furnace, the ferroalloy furnace, the calclium carbide furnace and the aluminum electrolyte tandk

    炭塊類產品具有良好的導電、導性,較好的性、高溫體積性與高溫強度,廣泛於煉鐵高爐、鐵合金爐、電石爐、鋁電解槽上砌築耐火材料。
  5. Results show that all the geometric parameters have remarkable effects on combustion performance ; the swirl of intake air generated by skew intake holes enhances fuel - air mixing, minimizes dead zone and stabilizes the flame with reverse flow, but the excessive reverse flow can cause overheat in combustion chamber and exhaust ; the consistency of flow resistance in intake and exhaust system is conducive to the stability of heater performance

    研究表明,燃燒室進氣孔的孔徑、孔數、孔的分佈及方向等均對燃燒性能影響很大;斜孔所產生的旋轉進氣,雖具有強燃氣混合、消除死區和迴流焰的,但迴流過度會使燃燒室及排溫過高;保證進排氣系統流動阻力(壓力)的一致性,有助於保證加器性能
  6. Several materials with large coefficient of expansion were selected to make packaging components, and it was found that the packaging materials have good temperature sensitivity and compatibility with optical fibers. experimental accuracy and repetition of fbg temperature sensitivity and compensation were discussed. have selected several materials which has bigger coefficient of expansion to do packaging components, have made many temperature experiments, there have not flaws, such as aging, crackle, absciss layer, packaging materials have good temperature sensitivity and compatibility with optical fiber ; have designed the simple and practical packaging components, have performed a serials of experiments about accuracy and repetition of fbg wave - length, have obtained the first step conclusion ; have analyzed the result and made comparison between the result of different experiment, have summarized the best packaging effect and several rules to reduce mistskes

    本文所做的主要工包括以下幾個內容:一、選取了常見的膨脹系數大的材料製封裝元件,經過多次一80到80反復測試,封裝元件沒有出現老開裂、封裝裂紋、空洞、離層等缺陷,封裝材料具有良好的溫敏性及復性,與光纖相容性較好;二、對光纖光柵進行簡單、實的封裝處理,就封裝效果的優劣性、波長測量的準確度、重復性和封裝時產生的波長損失等方面進行了一系列的實驗,得出了初步的結論;三、對溫敏和溫度補償式封裝的實驗數據進行了詳細的分析和對比,從數字上對溫變過程中光纖光柵中心波長的改變及溫變曲線進行了量的分析,在大量實驗數據分析結果的基礎上,總結出哪種材料封裝效果更好,以及如何有效的減小實驗誤差。
  7. A precision force banacing accelerometer for ineration navigation application is developed. the resolution, low - sensitivity threshold and high thermal stability are considered as design parameters. in order to guarantee a low - sensitivity threshold while maintaining robustness against shock, push - pull type long flexures are used in this paper. to improve thermal stability, this paper discusses the use of electromagnets as a magnetic fied source. the silicon pendulum assembly and modified inducance type pick - up is also developed to reduce assembling procedure. the measure range of accelerometer is 0 - 70g

    加速度計的解析度、靈敏度閾值和高的性是設計時主要考慮的參數。本論文中使推?挽式長撓性結構來保證低靈敏度閾值,同時保證抗振魯棒性。為了提高性,本文中討論了利永久磁鐵為磁場源;微加工技術被引入擺組件的結構設計和利力矩線圈為激勵線圈來簡電感式的檢測裝置。
  8. The membrane properties were found to be dependent upon the content of styrene. the membrane physic - chemical properties compare to nafion 117 except that their chemical stability has to be further improved to make them acceptable for practical use in the proton exchange membrane fuel cell. the proton transport through the membrane follows the " liquid - like " proton conductivity mechanism y and the water balance is important for the working condition of the fuel cell

    對磺膜的研究分析表明:膜的性能參數如離子交換容量、吸水率、水合系數、形體性、導電性能、學與性等依賴于膜中苯乙烯含量,且接枝苯乙烯相互間的位阻效應對膜性能影響很大;膜的性能可與nafion膜相比較;質子在膜中的傳導遵循「似液體」質子傳導機理;電滲析與擴散使膜保持水平衡。
  9. Firstly, this paper describes the optimization problem of thermal stress of fabrication process and steady work process for the hollow cylinder and the infinite plate. then, thermal stress distribution is calculated making use of theoretical formulation and the results can be validated by finite element method. in optimization, the restriction condition is heat insulation performance and the objective function is danger coefficient

    本文首先對平板結構和圓筒結構梯度塗層在制備過程和狀態下的應力優設計問題進行描述,然後分別解析法求解兩種結構的梯度塗層在制備過程和狀態下的應力分佈,並採有限元方法驗證了應力分佈的結果,在優設計時,以危險系數為目標函數,以塗層的隔性能為約束條件進行設計。
  10. In view of the poor thermal stability of polyoxymethylene ( pom ) induced by the residual catalyst and unstable end groups formed in the synthesis of pom. the pom was treated by amine, and the effects of the variety of amine compounds, treatment technology and water content on the thermal stability of pom were investigated ; the effect of triethanolamine on the thermal stability of pom was further studied by means of isothermal mass loss, isothermal mass loss rate, and formaldehyde emission amount

    摘要針對聚甲醛由於合成中殘留催劑及不端基導致其較差的問題,採胺對聚甲醛進行處理,並考察了胺種類、胺處理工藝及水量對聚甲醛性能影響;採等溫質量損失率、等溫質量損失速率、甲醛釋放量分析等方法對三乙醇胺對pom的進行了進一步研究。
  11. Organic - inorganic nanocomposite, which are the complex of inorganic nanopraticles with organic compound, is a popular study subject in nanoscale composite. the nanocomposite can not only take advantage of several advantage, but also produce new properties. in this thesis, taking account of the problems in electrorheological fluids such as high leakage current, low yield stress and stability, the pan - batio3 nanocomposite with different structure are prepared by in - situ complex technology and modified sol - gel method

    根據目前電流變液中出現的問題(如屈服應力不夠高,漏電流密度不夠低,性不夠好等問題) ,基於聚苯胺有較高的性,且密度又小,特別是聚苯胺的介電常數和電導率均可按需調整,此外,鈦酸鋇無機納米粒子為一種無機鐵電體,在電場下具有自發極的能力,一方面可以為體系提供高的介電常數,另一方面又可保證體系的絕緣性能。
  12. However, as far as the surface of nature sepiolite is concerned, its acidity is weak, and the channel is narrow, and its thermo - stability is poor, which lead to defects such as the destroying effect on the component structure of molecular sieve on the condition of water steam

    但天然海泡石存在表面酸性弱,通道小,性差以及在水蒸氣條件下對分子篩組分結構有破壞等缺陷,故對天然海泡石進行改性是使其成為催劑載體所必的工
  13. Uses : widely used as lubricants, slipping agents, heat - stabilizers, mould releasing agents and accelerants in cosmetic, plastic, m - achinery engineering, rubber, paint and ink industry etc

    途:在妝品、塑料、機械、橡膠、油漆油墨等行業潤滑劑、滑動劑、劑、脫模劑、促進劑等。
  14. Abstract : in this work, atom structure features of rare earth elements have been analyzed. reasons why changeable valence rare earth oxide can strengthen stability of atom valence in oxidized state, ability to conserve oxygen and heat stability for catalysts are discussed from mechanism. auxiliary catalyst functions are understood more deeply on the base theory

    文摘:本文從原子結構分析了變價稀土元素原子的結構特點,從機理上分析了變價稀土氧物對催劑原子氧價的性、貯氧能力和性等性能增強的根源,從理論上深入認識了稀土氧物的助催
  15. A study on the synthesis, structure and performance of linio2 - based compounds as cathode materials for lithium ion batteries was carried out systemically and in detail in this dissertation. as the first step of this study, a sol - gel method using citric acid as a chelating agent was developed. the reaction conditions in sol - gel process, pre - calcination process and calcination process, especially sintering temperature and sintering time in calcinations process, were analyzed and optimized carefully

    本文採多種結構分析、表面分析、分析和電學研究方法和實驗手段,從合成方法、結構特徵、電學性能、性和貯存性能等多方面對鋰鎳氧系列電極材料進行了系統深入的研究,制備出性能良好的鋰鎳氧系列電極材料,解釋了鈦的摻雜對電極材料的機理,揭示了鋰鎳氧系列電極材料的貯存失效機理,並借鑒和發展了rietveld結構精修方法和tpd - ms技術在鋰離子電池電極材料研究中的應
  16. As far as alumina powder is concerned, on the contrary, the excellent thermal stability is needed as catalyst carrier

    劑載體的氧鋁粉體需要有良好的性。
  17. Since the novel m41s mesoporous materials ( particularly mcm - 41 ) was firstly reported by mobil ' s researchers, much attention has been paid to this kind of materials. they have not only larger surface area, uniform pore structure and huge pore volume, which can reduce bottleneck phenomenon in molecular diffusion, but also higher mechanically and chemically stability as new inorganic materials. these materials have been widely used as catalysts, sorbents and separation materials as they were synthesized firstly

    介孔材料為一種新型功能材料,由於其具有較大的比表面積、長程有序的孔道結構、較大的孔容、良好的擴散性能和能夠減小分子擴散中的瓶頸效應等特點,以及為無機材料所具有的機械和性,所以自1992年mobil公司開發研製了以mcm - 41為代表的m41s系列介孔材料以來,被廣泛應於催、吸附和分離等領域。
  18. The activated alumina manufactured in ou factory has a large capacity of absorption, high surface area, high strength and thermal stability. it can be widely used as an absorbent, desiccant and catalyst carrier in chemical, pertochemical, fertilizer, oil and gas industries

    我公司生產的活性氧鋁具有吸附容量大、比表面積大、強度高、性好等特點,可廣泛應工、石、天然氣和肥等工業中吸附劑、乾燥劑及催劑載體等。
  19. In cvd support method, carbon nanotubes were prepared with the supported fe catalyst on the regular mesoporous molecular sieve mcm - 41 by catalytic pyrolysis of c2h2. the author studied systematically the effect of different react conditions on the structure, property and thermal - stability of mcm - 41, and reached an optimum condition of prepared mcm - 41, whose mesoporous diameter was about 2. 9nm, with 0. 12 c16tmabr : 1teos : 0. 24naoh : 66. 7h2o under hydro - thermal condition

    Cvd基體法制備碳納米管中,首先探索了不同反應條件對mcm - 41材料結構性能和性的影響,優工藝參數,結果發現水條件下反應物的摩爾配比為0 . 12c16tmabr : 1teos : 0 . 24naoh : 66 . 7h2o時制得的mcm - 41材料最適合為催劑基體材料,其孔徑大小為2 . 9nm左右。
  20. Layered compounds have many functional characteristics, such as shape - selecting catalysis, heat stability, and can he used in lithium batteries, superconducting materials and etc

    具有多種功能特徵:如擇形催性、做鋰電池材料和超導材料等。
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