液氮 的英文怎麼說

中文拼音 [yèdàn]
液氮 英文
liguid nitrogon
  • 液 : 名詞（液體） liquid; fluid; juice
  • 氮 : 名詞[化學] nitrogen （7號元素, 符號n）
  1. The total rna was isolated from pokeweed ( phytolacca americana ) leaves using the method of guanidine isothiocyante and used as template to amplify the total length and deleted mutant pokeweed antiviral protein ( pap ) gene by rt - pcr and then the pap gene was cloned into pgem - t vector. the sequencing results showed that pap gene had 99. 9 % identity comparing with the pap gene nucleotide sequence reported by lin et al ( 1991 ). the iptg - inducible expression vector containing the pap gene was constructed and transferred into e. coli bl21 ( de3 ) - plyss

    將缺失型pap基因克隆到植物表達載體pbi121中，通過液氮冷凍法將重組質粒轉入農桿菌lba4404細胞中，然後採用葉盤法，在該農桿菌的介導下將pap基因導入普通煙草中，經過卡那黴素抗性篩選，最後獲得了轉pap基因的工程煙草植株，摩擦接種煙草花葉病毒（ tmv ） ，與非轉基因煙草相比，能夠推遲癥狀表現達2月之久，說明pap基因能夠在其它植物體內產生有活性的高抗病毒的蛋白質。
  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. The system consists of the control unit housing the pumps and a 2 litre dewar

    冷卻系統由裝有泵的控制器和2升液氮罐組成。
  6. Test methods for interspace vacuum of liquid nitrogen containers

    液氮容器夾層真空度檢驗方法
  7. For generally theraputical lamellar keratoplasty, eyeball cryopressrved at - 196 is recommended, because this method is easy and effective

    結論：對一般治療性板層角膜移植，可選用全眼球液氮冷凍法，因這種方法簡便易行效果較好。
  8. Numerical simulation in adopting liquefacient nitrogen depress temperature and fire for 3315 face of haizhou shaft coal mine

    海州立井3315工作面液氮降溫滅火數值模擬
  9. Yedan, oxygen, nitrogen, acetylene gas, acetylene sales ; chemical products, metal dianliao, plumbing materials, supplies wash sales

    液氮、氧氣、氮氣、氬氣、乙炔的銷售；化工產品、五金電料、水暖建材、洗滌用品的銷售。
  10. 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。
  11. 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。
  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. 3. the cold - heat method without the snailase and zymolyase was used as the pcr direct selecting of colony. to select the colony and suspend with 10 n 1 ddw, and then incubate

    改進了重織酵母囪落的pcr鑒定方法：冷熱處理法，即挑取單克隆於10ul水中懇浮， m及5分鐘、液氮處理2分鐘， 9了c15分鐘，然後進行kr擴增。
  15. 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。
  16. 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。
  17. Large calibre liquid nitrogen container

    大口徑液氮容器
  18. 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。
  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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