熱穩定度 的英文怎麼說

中文拼音 [wěndìng]
熱穩定度 英文
heat stability
  • : 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...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 穩定度 : degree of fixation
  • 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. Study on the isolated bacteriocin ' s property shows that the bacteriocin has good stability against temperature and ph. the antimicrobial activity is not influenced disposed for 10 minutes under 80, and only 13 % loss of activity is suffered under the temperature of 100 for 10min

    對分離出的細菌素的性質研究表明,細菌素具有較好的性和酸堿性,在溫80處理10min對活性沒有影響, 100處理10min活性僅損失13 ,在ph3 - 10的范圍內活性變化不大。
  2. It is discovered that existence of small amount of n - butyl alcohol in mesoporous zeolite synthesis system can not only modify ordered degree of formation of mesoporous zeolite, which improves hydrothermal stability of it, but also help to attain much smaller, nearly nanometer, grain of mesoporous zeolite

    研究發現,少量正丁醇的存在能改善介孔分子篩形成過程的有序,並使其水性得到提高,同時合成產物的粒更小,趨近納米顆粒。
  3. Through the experimental research, we think : the technological capacity of fiberglass asphalt macadam if weaker than asphalt macadam, however, if use elasticized capacity to solve blending technological problem. adjust the breed of fiber silk, extend its diameter, its paving capacity is still worth exploring, asphalt - rubber macadam structure lager have good deformed - become capacity and crazed - resistance capacity, small gap rate. good water - resistance capacity, good hot - stability and simple construction technology. therefore. pitch rubber spall is a good cover material which is suitable for the second class or lower whose asphalt pavement has split open because of fatigue. and is the good structural measure of preventing half - rigidity grass - roots unit shrink - rift reflecting. pave a thin layer of pitch rubber spall between asphalt - type pavement layer and half - rigidity basic level, although the cost of building is higher than paving togongbu in the middle, the construction technology, crazing - resistance and water - resistance are better than togongbu, not only could reduce greatly the reflex of half - rigidity grass - roots unit material, long then the use lifespan of pavement, but also it is possible to reduce suitably the thickness of asphalt mixture layer, though the cast of building in the early days becomes more, in the long - term opinion, it have fully important technological and economical significance

    通過試驗研究認為:玻璃纖維瀝青碎石的技術性能不如瀝青碎石好,但路用彈性性能較好,如能解決拌和工藝問題,調整纖維絲的品種,增大其直徑,其路用性能仍值得探討,瀝青橡膠碎石結構層具有變形性能和抗裂性能良好,空隙率小,防水性能好,性較好,施工工藝簡單的特點,因此,瀝青橡膠碎石是二級及二級以下公路因疲勞而開裂的瀝青路面的良好罩面材料,也是防止半剛性基層收縮裂縫反射的良好結構措施,在瀝青類路面面層和半剛性基層之間夾鋪瀝青橡膠碎石薄層,雖然造價比夾鋪土工布高,但其施工工藝,抗裂性能和防水性能均優于土工布,不僅可以大大減少半剛性基層材料的反射裂縫,延長路面使用壽命,而且可能適當減薄瀝青混合料面層的厚,雖然初期造價有所增加,從長遠來看,具有十分重要的技術和經濟意義。
  4. A colorless, odorless, clear liquid noncombustible, thermostable, very stable to various chenicals, having good lubricity & excellent dielectric properties, nonpoisonous & noncorrosive

    無色無臭透明液體,不燃燒,對,對各種化學品高,具有良好的潤滑性和優良的介電性,無毒,無腐蝕性。
  5. Complete cubic octahedral crystal crystal shape, high strength and thermal stability. having wide cutting range. suitable for high - power saws and geological broach

    具有完整的立方八面體晶形,高強性。在高沖擊條件下,具有較高的鋸切范圍。適用於大功率鋸切,優質鉆頭。
  6. Znd2180 complete crystal shape, perfect cubic octahedron, good diaphaneity, high impact strength and thermal stability, suitable for high grade cutting, drilling, and grinding tools

    Znd2180晶體完整,具有完整的立方八面體,透明好,高的抗沖擊強性。適用於高檔次切割工具、鉆頭、碾磨工具。
  7. Using the advanced technology by its head office ( newkey co., ltd. ), it produces various kinds of alumina black and white ceramic products. the component alumina ceramics, which are widely used in electron components, devices, electrical products, enjoy low loss of high frequency, high insulating strength, good specific volume resistance, small dielectric constant, high mechanical intensity and excellent airtightness and thermal and chemical stability

    本公司根據目前市場需求,生產出各種型號的黑、白陶瓷產品,廣泛應用於電子、電工、化學工業、紡織工業、水暖、宇航、環保等諸多方面,系列產品有高頻損耗少,比體積電阻大,介電常數小,強高,氣密性、性、化學性好等特點。
  8. Uv & heat * * 80 % tensile strength retention after 350 hours stabilised weatherometer exposure, masterbatch in both tapes and coating

    紫外線和性在老化試驗機中試驗350小時后保留80 %的拉伸強
  9. 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的最適溫均為60 , xynbb降為50 :在耐性上, xynba由於糖基化作用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 。
  10. Henan zhecheng jingxin diamond abrasive co., ltd. supply mbd metal bond diamond grade synthetic diamond powder is the higher grade synthetic diamond, this grade diamond powder feasures better diamond crystalline shape and stronger mechanical retention, it used for better quality synthetic diamond grinding tools, mbd synthetic diamond also can meets the customer ' s demand on precision tooling and electroplated diamond applications. size : : 30 / 40, 40 / 50, 50 / 60, 60 / 70, 70 / 80, 80 / 100, 100 / 120, 120 / 140, 140 / 170, 170 / 200, 200 / 230, 230 / 270, 270 / 325, 325 / 400, 400 / 500

    河南柘城晶鑫超硬磨料製品有限公司供應晶體形狀為規則、完整的六-八面體,純凈高,有很高的強、韌性和很好的性,抗沖擊能力強適用於製造鋸切硬質石材的工具,如:繩鋸、帶鋸、組鋸、大鋸片等,也適用於各種混凝土、地質鉆、工程鉆以及各種金剛石修整工具。
  11. Henan zhecheng jingxin diamond abrasive co., ltd. supply mbd metal bond diamond grade synthetic diamond powder is the higher grade synthetic diamond, this grade diamond powder feasures better diamond crystalline shape and stronger mechanical retention, it used for better quality synthetic diamond grinding tools, mbd synthetic diamond also can meets the customer ' s demand on precision tooling and electroplated diamond applications

    晶體形狀為規則、完整的六-八面體,純凈高,有很高的強、韌性和很好的性,抗沖擊能力強適用於製造鋸切硬質石材的工具,如:繩鋸、帶鋸、組鋸、大鋸片等,也適用於各種混凝土、地質鉆、工程鉆以及各種金剛石修整工具。
  12. For 2h, the osc and special surface area decreased sharply, meaning a bad thermal stability. the osc and special surface area of the samples prepared by precipitation keep very well after aged, exhibiting a promising thermal resistance. while the samples prepared by dipping method have a much more stable osc at different temperature, that is, they have a good thermal stability

    研究表明,採用溶膠?凝膠法制備的樣品在老化前具有最大的儲氧量和比表面積,但經高溫老化后,其儲氧量急劇下降,表現出很差的抗高溫老化性能;採用沉澱法制備的樣品在老化前後,其儲氧量和比表面積降幅最小,有良好的高溫性能;採用浸漬法制備的樣品不管老化與否,其儲氧量並不隨著儲氧溫的改變而大起大落,表現出較好的性。
  13. Al - doped zno thin films are emerging as an alternative potential candidate for ito flims recently. al doped zno thin films also can obtain a tunable band gap. especially, zno : al thin films with high c - axis orientated crystalline structure along ( 002 ) plane are potential device applications in broadband ultra - violet

    Al摻雜的zno薄膜不僅具有與傳統ito薄膜相比擬的光電性質,而且原材料豐富、價格低、無毒、沉積溫低、性高,在氫等離子體環境中具有很高的化學性,不易導致太陽能電池材料活性降低。
  14. 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;用dsc - tg分析純聚四氟乙烯樹脂及固體潤滑劑的性;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;用萊次偏光顯微鏡( pm )測試固體潤滑劑的硬;用材料試驗機測試固體潤滑劑的抗壓強等。
  15. The extracellular a - amylase from the hyperthermophilic archaeon pyrococcus furiosus, pfa, is a promising candidate in starch processing, since it is optimally active at 100 and ph5. 5 - 6. 0 and does not require ca2 + for activity or thermo - stability

    來源於強烈火球菌( pyrococcusfuriosus )的-澱粉酶( pfa )具有應用於工業的潛力,因為其最佳反應溫達100 ,最佳ph為5 . 5 6 . 0 ,且其活力或性的維持不需要添加鈣離子。
  16. Complete crystal shape, good diaphaneity, high compact strength and thermal stability. suitable for cutting, drilling and grinding tools

    晶體完整,透明好,具有高的抗沖擊強性。適用於高檔次切割工具、鉆頭、碾磨工具。
  17. This kind of high silica wrought aluminum alloy is provided with low density and well heat - stability, especially with the metallurgical structur ? similar with bearing alloy ? which is composed of dispersion distribution common silicon crystal hard mass point and the alloyed basal body is very fit for the components manufacture ? can bear small capacity moving load and friction load

    這種高硅變形鋁合金具有密小和200以下良好的性,特別是它的由彌散分佈的共晶硅硬質點及合金化的相基體組成的類似軸承合金的金相組織、特別適合用於製做承受小能量動載荷和摩擦載荷的零件。
  18. Kapton is used extensively on spacecraft primarily as flexible substrates for lightweight, high - power solar arrays because of its inherent strength, temperature stability, excellent insulation properties, ultraviolet ( uv ) stability and infrared ( ir ) transparency. however, polymeric material undergoes severe degration after being exposured on atomic oxygen ( ao ) in low earth oribit ( leo )

    聚合物kapton由於具有較高的比強,優越的性、絕緣性、紫外線輻射性及紅外線穿透功能,是航天飛行器常用的材料,但由於空間環境中的原子氧對這種材料造成極大的損害,大大限制了這種材料在空間環境下服役時間。
  19. The voltage of lithium - intercalation reaction, impedance and structural stability of intercalation - type cathode material were analysed and calculated. theoritical results show that the reaction voltage depends on the content of lithium and the bond energy, and that the key ways to lower the electrode impedance are to increase the electronic conductivity of the electrode and the diffusion coefficient of lithium ion in the host and to decrease the size of powder. in addition, the thermal stability of lithium - insertion structure can be improved by using crystallographic co - lattice theory and doping treatment

    本文從嵌入式陰極材料的嵌鋰反應的電壓、阻抗及結構性的分析和理論計算著手,得到了電壓取決于基體中各種離子間的鍵能及鋰含量、降低電極阻抗的關鍵是提高電子型導電性和li ~ +在基體中的擴散系數及減小粉末粒的理論依據及其利用晶體的共格原理和摻雜改性的方式來提高材料嵌鋰結構的性的設計思路。
  20. Meizhi strengthen porcelain flower is the domestic market crowd, with a high degree white, high - intensity, and high temperature stability characteristics, the white porcelain, glistening green, the best option is star - rated hotels are designated as state banquet in the great hall of the people and the diaoyutai state guesthouse porcelain and surrounded by beijing palace of a feudal prince hotel elected dedicated porcelain

    鎂質強化瓷是目前國內市場的一朵奇葩,具有高白高強性等突出特點,其潔白如玉晶瑩潤澤是星級賓館的最佳選擇,現被指為人民大會堂和釣魚臺國賓館國宴用瓷,並被北京王府飯店選為專用瓷。
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