liquid nitrogen 中文意思是什麼

liquid nitrogen 解釋
液氮
  • 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...
  1. The primary results showed : using m199 as diluents containing 20 % bovine serum, it is better to freeze the cells slowly freezing at fist then increase freezing speed ( for example, from 0 to - 6 freezing speed is about - 0. 05 a minute, from - 6 to - 40, freezing speed is about - 0. 5 a minute ), studies on effect of various concentration of dmso demonstrate that about 12. 5 % dmso gave the highest post - thaw percentage of viable cells. the concentration of bovine serum had no different effect on the percentage of the viable embryo cells of misgurnus auguillicaudatus. the embryo cells derived 6 from the later stage of blastula offish is more resistant to the cryogen than the cells of early stage of blastula. the cells preserved in liquid nitrogen at - 196 were thawed and cultivated, a few cells were found adhere to the surface of culture vessel when the percentage of viable cell was more than 30 %. the cells in only two culture vessels were found to proliferated and gave rise to many small morphologically undifferentiated cells

    研究初步表明:以細胞培養液m199 （含2既的小牛血清，常規量雙抗）為凍存稀釋液對泥鰍胚胎細胞冷凍保存宜採取先慢后快的方式（例如，從0一一6 ，凍存速度為一0 . 05 / min ，再以一0 . 5 / min的速度從一6一一40 ） ; dmso的保護效應濃度為12 . 506左右;小牛血清的濃度對泥鰍胚胎細胞的成活率影響不明顯;囊胚晚期細胞抗凍性比中早期強;通過對不同批次的凍存細胞解凍培養，解凍后成活率為30 %以上細胞培養數天後均有少數細胞貼壁，但只發現兩瓶培養細胞有明顯增殖現象產生許多未分化的小細胞。
  2. Using m199 containing 20 % calf bovine serum and 11 % dmso as the diluent and by the methods using in cryopreservation of embryo cells of misgurnus auguillicaudatus, two groups of cells derived from blastula of grass carp were preserved in liquid nitrogen at - 196. after 6 days cryopreservation, one group of cells were thrawed and the percentage of viable cell was about 72 % ; the other, cryopreserved for 13 days, was 52

    以細胞培養液m199 （含20 %的小牛血清）為稀釋液， dmso的濃度為11 % ;與泥鰍胚胎細胞冷凍保存方法一樣，採取先慢后快的方式，冷凍保存兩組草魚囊胚晚期細胞於一1 %的液氮中。第一組冷凍保存6天後解凍，成活率為72 % ，第二組冷凍保存13天後解凍，成活率為520 / 0 。
  3. 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。
  4. Analysis the clinical efficacy of cryotherapy with liquid nitrogen in pyogenic granuloma

    液氮冷凍治療化膿性肉芽腫46例療效分析
  5. In the 2 - step ops method, embryos were pretreated with 10 % eg + 10 % dmso for 30s before exposed to edfs30, a vitrification solution, for 25s, then immersed in liquid nitrogen. the blastocyst rate of vitrified mouse morula after equilibration in 0. 5mol / l sucrose for 5min was 100 %

    Ops二步法即胚胎預處理30s ，然後移入edfs30冷凍液中平衡25s冷凍保存，解凍后在0 . 5mol l蔗糖溶液中平衡5min ，培養后囊胚發育率為（ 100 ） 。
  6. Test methods for interspace vacuum of liquid nitrogen containers

    液氮容器夾層真空度檢驗方法
  7. Study on boiling heat transfer enhancement of forced liquid nitrogen flow in lunate narrow channel

    低溫液體火箭發動機循環預冷模擬試驗
  8. Freezing therapy by liquid nitrogen on trachoma and rehabilitation

    液態氮冷凍治療沙眼及康復
  9. In order to produce monoclonal antibodies, first, several v. dahliae isolates were grown in liquid czapeak medium, after rinsing mycelia and eliminating zoospores, the fungal tissue was homogenized with the pestle in liquid nitrogen and then transferred to test tubes and was centrifuged in tris - hcl buffer

    在制備抗原的過程中，首先液體振蕩培養了若干株棉花黃萎病菌，經過沖洗除孢子、液氮研磨，用tris - hcl抽提，再離心制得菌絲蛋白提取液，可作為電泳樣品。
  10. Chart s horizontal series bulk stations for liquid nitrogen, oxygen or argon are available in sizes from 1, 500 to 15, 000 gallons 5, 678 to 56, 781 liters. these hs bulk stations are designed to asme code. standards are 175 and 250 psig 12 and 17 bar ; other pressures are available upon request

    查特vs - gb立式深冷液體貯罐系列，符合中國gb150 gb18442標準，廣泛適用於液氧液氮液氬等深冷液體的貯存及使用，具有多種不同的規格，其中最大允許工作壓為8 bar和16 bar兩種規格作為標準貯槽系列。
  11. Chart s vertical storage bulk tanks can be used in liquid nitrogen, oxygen or argon service and are available in sizes from 525 to 15, 000 gallons 1, 987 to 56, 781 liters. designed in accordance with asme code, the vs series features a composite insulation system for high thermal performance, extended hold times, low life - cycle costs and light weight to reduce operational and installation costs

    查特vs - gb立式貯罐系列採用查特獨有的真空絕熱技術，提高您的競爭優勢：卓越的絕熱性能，超長的保持時間，最低的生命周期成本，以及較輕的罐體重量減少您運輸和安裝成本。
  12. The first liquid oxygen and liquid nitrogen equipments of xichang and jiuquan satellite lauching base run normally until now, which has made important contribution for our coutry ' s aviation and spaceligh enterprise, thus attained national defense sicience and industry committ ' s appreciation

    提供大連日酸氣體公司的氮液化設備，開創了日酸公司首用國產成套設備的先河；哈爾濱黎明氣體公司和成都僑源氣體公司則是我公司大型液氧液氮設備的重點用戶，由於過硬的技術和穩定的質量，短短二、三年時間內，這些用戶相繼增購了多套同類產品。
  13. Experiments and numerical simulation of dynamic cool - down process of stainless steel plate in liquid nitrogen bath

    液氮浴中不銹鋼板動態冷卻過程試驗及模擬分析
  14. Its main products cover " jiayu " computer - controlled light color changer, large - scale co2 air column, liquid nitrogen / dry ice fog machine, stage cold light firework, confetti cannon, flame machine, rainbow machine, led magic ball and so on, which are applied to studio, theater, audio - visual classroom and large stadium

    主要產品有「佳鈺」系列電腦燈光換色器、 co2大型氣柱、液氮乾冰兩用機、舞臺冷光焰火、彩紙炮、噴火機、繽紛彩虹機、 led魔球等，業務擴展至演播廳、劇場、電教室、大型體育場館等。
  15. It is efficient for flow cytometric analysis when fresh platelet riched plasma ( fprp ) was set as negative control, thrombin actived fprp and liquid nitrogen treated fprp were set as positive control respectivelv

    除了fcm常用的同型對照外，文中還將fpr 、凝血酶激活fprp和液氮處理fprp作為血小板標準陰性、陽性對照，直接應用於fcm分析，且效果良好。
  16. Large calibre liquid nitrogen container

    大口徑液氮容器
  17. The semi - automatic liquid nitrogen extracter is lowcost and easy - to - use, which can prevent the volatilization of the liquid nitrogen during the extraction

    摘要介紹一種自製的半自動液氮提取器，該提取器製作成本低廉，操作簡單，並可以避免治療過程中提取液氮時液氮的大量揮發，從而可以減少資源浪費，降低治療成本。
  18. Over 310, liquid nitrogen quenching and water quenching show higher damping capacities

    當溫度大於310 ， - 195淬火與水淬試樣表現出較高的阻尼性能。
  19. Hand - held pressure stored liquid nitrogen cryogenic therapeutic apparatus

    手持蓄壓式液氮冷凍治療器
  20. 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 。
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