液氮溫度 的英文怎麼說

中文拼音 [yèdànwēndù]
液氮溫度 英文
liquid nitrogen temperature
  • 液 : 名詞（液體） liquid; fluid; juice
  • 氮 : 名詞[化學] nitrogen （7號元素, 符號n）
  • 溫 : Ⅰ形容詞（不冷不熱） warm; lukewarm; hot; gentle; mild Ⅱ名詞1 （溫度） temperature 2 （瘟） acute ...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 溫度 : [物理學] temperature
  1. Ammonifiers in suzhou creek can not use inorganic nitrogen and carbamide as nitrogen source ; additional carbon source and garbage lixivium have little influence on ammonifiers growth ; high content of salt and low temperature restrain ammonifiers growth ; alkalescent condition has little influence on ammonifiers, but acidic condition restrain ammonifiers growth ; the biomass of ammonifiers are not necessary correlated with the function of ammonifiers, adding glucose with 1g / l content into the water sample obviously promote the growth and function of ammonifiers. physiological groups of bacteria play significant role in the translation and

    蘇州河的氨化菌無法利用無機氮和尿素作為氮源；在營養條件充足時添加額外c源和富含有機物的垃圾浸出液對氨化菌的生長基本無影響；高鹽度和低溫抑制氨化菌生長；堿性條件對氨化菌的生長影響不大，酸性條件對氨化菌生長具有抑制作用；氨化菌生物量的消長與轉氨活性之間不存在必然聯系， 1g / l的葡萄糖對蘇州河水樣中氨化菌的數量和轉氨功能具有明顯的促進作用。
  2. 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。
  3. Effects of diverse environmental factors on the growth rate ( od4oo ) and nitrogenase activity ( ara ) of the strain w12 hi nitrogen - free culture were investigated in our experiments. the results implied that the strain w12 could easily adapt to different cultural conditions : it could use various carbon sources ( especially glucose, sucrose, malic acid, mannitol ), propagate quickly and fix nitrogen at a temperature range of 15 ? to 40 ? and at 25 - 35 ? for optimum, at a ph range of 4 to 8. 5, at a saline concentration range of 0. 01 % to 1. 5 % ; low nlv " concentration had little effect on its nitrogenase activity. ara could also be detected when it grow in the culture media with 5mmol / l ntv "

    W12菌株對環境因子的適應性研究：無氮培養條件下，測定溫度、碳源、酸堿度、滲透壓對w12生長及固氮能力的影響，結果表明，在15 - 40下均能生長並表達固氮酶活性，其最適生長及固氮的溫度為25 - 35 ；能利用葡萄糖、蔗糖、蘋果酸、甘露醇等多種碳源生長並固氮，當培養基中同時存在蔗糖和蘋果酸時，細菌生長和固氮活性最強；在偏酸和偏堿的條件下（ ph4 . 5 - 8 . 5 ）均能保持較強的生長勢和較高的固氮酶活性，並能通過調節自身代謝平衡並適應環境的酸、堿性變化，使培養液趨于中性：能耐受較高的滲透壓，培養液中卜、 5 naci濃度對其生長和固氮酶活性影響不大，當naci濃度升至2時，菌株的生長勢及固氮酶活性才有所下降：低濃度的鉸對其固氮酶活性影響不大，在0
  4. 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。
  5. The activation energy of the tpl peak is calculated being about 1. 5 ev for four heat treated samples ( furnace cooling, air cooling, dry ice quenching, liquid nitrogen quenching ), and it is near the self diffuse activation energy of aluminum 1. 45ev

    爐冷、空冷、乾冰冷和液氮冷四種熱處理制度根據幾，峰峰溫數據計算的激活能的結果約為1 ? sev ，接近於鋁的自擴散激活能1 . 45ev 。
  6. 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。
  7. The finding of high temperature superconductor ( hts ) made a lot of scientists research and study it, then critical temperature of hts was on the increase

    高溫超導材料的發現，引起了眾多科學家的關注並進行研究，使得高溫超導體的臨界溫度提高到液氮溫度以上。
  8. Chart industries vacuum insulated pipe systems are designed for the transfer of cryogenic liquids at extremely cold temperatures needed for flash freezing, aerospace applications, super conducting research, liquid nitrogen fogging for special effects, and many more applications

    查特真空絕熱管道系統的設計是為需極低溫度深冷液體應用：冷凍，航空，超導研究，用液氮產生特殊效果的煙霧，及其它各種用途。
  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. 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。
  11. Thirdly, we developed a spectrometer for spectrum diagnosis of soft x - ray pulse sources, and used it to measure spectra of liquid o2, co2, cf4, kr and xe spray target lpp sources in 6 - 20nm band for 8x 10uw / cm2 laser irradiance the results coincide with cowan calculation fairly well

    其次，利用低溫製冷技術研製出一臺可連續控溫的液體微滴噴射靶lpp光源。光源具有連續和脈沖噴射兩種工作模式，能使用多種氣?液相變溫度高於液氮溫度的非腐蝕性氣體工作。
  12. The gyroscope accembly is placed inside lead bags, which in turn are placed inside a large cryogenic container called a " dewar " holding about 1, 5000 litres of liquid helium

    科學家把回轉儀系統裝在鉛袋內，再放入一個低溫真空瓶中。真空瓶盛載著約1 ， 500公升的液態氮，把鉛袋冷凍至差不多攝氏零下271度。
  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. 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。
  15. The dielectric properties of ba0. 5sr0. 5tio3 thin films were measured at room temperature with the planar capacitor structure. 3

    採用平行板電容器結構，測試了lh任12頻率下bst薄膜在室溫和液氮溫度下的介電性能。
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