liquid nitrogen temperature 中文意思是什麼

liquid nitrogen temperature 解釋
液氮溫度
  • liquid : n 1 液體。2 【語言學】流音〈如 [l] [r]〉 adj 1 液體的,液態的,流動的。2 清澄的,透明的。3 易變的...
  • nitrogen : n 【化學】氮,氮氣。 nitrogen chloride 三氯化氮。 nitrogen cycle 氮循環。 nitrogen dioxide 二氧化...
  • temperature : n. 1. 溫度,氣溫。2. 體溫。3. 〈口語〉發燒,高燒。
  1. In this paper, 6013al / sicp / gr metal matrix composite ( mmc ) was produced by spray codeposition, by means of changing the medium of quenching, influence of five types of heat treatment system ( furnace cooling, air cooling, water quenching, dry ice quenching, liquid nitrogen quenching ) and different aging temperature on the damping was studied systematically

    本文採用噴射共沉積方法制備了6013al sicp gr金屬基復合材料( mmc ) ,通過改變淬火介質,較為系統地研究了五種熱處理制度(爐冷、空冷、水冷、乾冰冷及液氮冷)以及不同時效溫度( 120 、 150 、 170 、 190及210 )對6013al sicp grmmc阻尼性能影響。
  2. The instrument is supported by a test fixture with cold - wall thermal radiators. copper coils attached to the radiators circulate liquid and gaseous nitrogen to vary the instrument temperature

    感覺這個變溫設備就像平常的暖氣片一樣,不過螺旋管中流動的是液態或者氣態的氮。它還配備有變溫和控溫裝置。
  3. Based on physical simulation and numerical simulation, the conversion of hot water slug flooding with nitrogen foam is presented and some injection indices are optimized, including foam concentration, gas - liquid ratio, injection rate, temperature of water, slug length. from reservoir research and oilfield development, studying disadvantageous factors, the paper will have guilding value for heavy oil reservoir development of leng 43 block

    對熱水+氮氣泡沫段塞驅的關鍵技術指標,包括泡沫劑濃度、氣液比、注入速度、注水溫度和段塞長度等重要參數進行了優選,提出了注水速度80 100t d 、氣液比1 : 1 、注水溫度95 100 、溶劑濃度0 . 5的推薦方案。
  4. Flat - bottomed, vertical, cylindrical storage tanks for low temperature service - specification for the design and construction of single containment tanks for the storage of liquid oxygen, liquid nitrogen and liquid argon

    低溫用平底立式圓柱形儲罐.液態氧液態氮和液態氬儲存單層密封儲罐的設計和製造規范
  5. Ten years after the discovery of high - temperature superconductivity, a technical study by the electric power research institute ( epri ) concluded that with liquid nitrogen as a coolant, a five - gigawatt dc “ electricity pipe ” could compete economically with a gas pipeline or conventional overhead lines for transmission distances of 800 kilometers or more

    發現高溫超導特性的10年之後,美國電力研究所( epri )一份技術研究報告指出,以液態氮當做冷卻劑時, 50億瓦特的直流電管傳輸800公里以上的成本,跟瓦斯管線或傳統架空電纜差不多。
  6. The dielectric properties of bst thin film were measured at room temperature and liquid nitrogen temperature with the parallel - plate capacitor structure. the dielectric constant and loss tangent were 1200 and 0. 0045 respectively at 1mhz, and 77k

    77k時,薄膜的相對介電常數『和最大介電損糧御心沁分別為1200和0 .惻5 ;外加直流偏廠巨30v , bst薄膜的介電可調性能為60 % ;性能因數k值達到133 。
  7. The suitable liqulfied nitrogen temperature range for special cryo - cotalal electric detectors, for measureing the tusmittal time of a shock wave, are developed, in order to create an optdrial precondition to test cryo - liquid twxtur more accuraely

    專門研製的適用於液氮溫區的低溫同軸電探針(沖擊波速度傳感器) ,為精確測定低溫混合液樣創造了先決條件。
  8. Removal of basic nitrogen compounds from distilled diesel using room - temperature ionic liquid

    室溫離子液體脫除直餾柴油中堿性氮化物
  9. The ratio of isopropyl alcohol and pure water and temperature in the process of freezing are considerated in the research of the preparation of the pt / c electrocatalysts with freeze - drying method. the result shows, when we use 300ml pure water to wash the carbon ( 40mg ) in isopropyl alcohol ( 20ml ) to alter the ratio of isopropyl alcohol and pure water, we get the electrocatalysts with high catalytic activity ; the use of the liquid nitrogen ( - 196 ) to freeze the suspension ( carbon and precursor solution ) can make the pt / c electrocatalysts in high dispersion

    採用300ml純水對20ml異丙醇中的40mg碳載體進行洗滌抽濾,來改變預凍液中的醇水比例,通過冷凍乾燥制備pt / c的性能較好;採用液氮對預凍液進行冷凍(預凍溫度為- 196 )制備的pt / c催化劑性能較好;冷凍乾燥法可以有效地避免加熱乾燥過程中前軀體離子在碳載體表面的脫附和團聚,進而制備載量大、分散性好、粒徑較小的pt / c催化劑。
  10. A tunability of 60 % and figure of merit of 133 have been achieved under 30v dc bias, demonstrating their usefulness for frequency - agile microwave devices at the liquid nitrogen temperature

    在液氮溫區表現出很好的微波器件應用前景。 4 、採用pld方法制備了高凰100 )取向的bao . ssr05五o創51卿si集成薄膜。
  11. Methods the 54th generation of transformed human embryonic tendon cells and artificial composite materials of carbon fibers ( cf ) and polyglycolic ( pga ) were co - cultured in vitro to construct tet. lt was frozen in liquid nitrogen with four kinds of cpa for 2 months. post - thawed quickly and transplanted into hind limbs of nude mice, and repaired the defects of achilles tendon. after 2, 4, 6, 8, 12 weeks, the morphological, histological, ultrastructure, short tandem repeat loci and immunohistochemistry examination were detected, and biomechanical strength of tet were examined. result tendon cell survived and could secret type i collagen after 12 weeks to transplanted into nude mice. in the group of dmso + raffmose + kh2o4, vacuole in mitochondrion degraded i tendon cell ranged in order, abundant collagen fibers were found and linked each other and the biomechanical strength was increased as time elapsed. c onclusion dmso + raffmose + kh2o4 could protect tet in deep low temperature

    組織工程肌腱制備完成後在四種抗凍劑保護下液氮凍存2月;快速復溫后植入裸鼠以修復跟腱缺損, 2 、 4 、 6 、 8 、 12周后取出,觀察形態學、組織學、電鏡和免疫組織化學變化,短串聯重復位點檢測和生物力學變化。結果實驗組組織工程肌腱體內植入12周后仍有肌腱細胞存活並分泌型膠原;隨著時間延長, 10二甲基亞碸( dmso ) +棉子糖( 30mmol l ) + kh _ 2po _ 4 ( 25mmol l )組線粒體空泡減少,肌腱細胞排列整齊,膠原纖維增粗並連接,抗拉強度增高。
  12. Experimental studies of the co - axial pulse tube refrigerator of temperature range of liquid nitrogen

    槽道熱管在加快低溫迴路熱管主蒸發器降溫過程中作用的實驗研究
  13. Two liquid nitrogen cooling systems are available. the lnp94 / 2 can be automatically controlled by the temperature programmer or by selecting one of 5 manual pump speeds

    可以使用兩套液氮冷卻系統。 lnp94 / 2可以自動地由溫度程序控制器控制,或選擇5種手動泵速。
  14. A low temperature option using liquid nitrogen is available, the nitrogen consumption is minimized by employing a temperature dependent control of the nitrogen flow

    氮損耗的最小量是通過利用溫度依賴對氮流量進行控制的。
  15. First, the factors which had an influence on the liquid - state tunning of m12 - 69 producing monaclin k were studied, including carbon source, nitrogen source, initial ph value, culture temperature and time

    首先,研究了碳源、氮源、起始ph值、培養溫度及時間等因素對m12一69液態發酵的影響。
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