熱分接 的英文怎麼說
中文拼音 [rèfēnjiē]
熱分接
英文
hot-tapping-
Newcastle disease virus ( ndv ) strain 695, a thermostable nature avirulent strain, were replicated in embryonated chicken eggsand its rna was extracted from allantoic fluid. referred to the reported sequence of f gene, a pair of primers were designed and synthesized. f gene of ndv b95 strain was amplified by rt - pcr, the pcr products were checked by agrose gel electrophoresis and purified by agrose gel fracion method
利用從國外引進的新城疫熱穩定性天然弱毒b _ （ 95 ）株接種spf雞胚繁殖病毒，經處理后提取病毒的基因組rna ，參考國內外發表的ndv融合蛋白基因序列，設計一對特異性引物，經反轉錄聚合酶鏈式反應（ rt - pcr ）擴增出約1700bp大小的特異性片段，將此片段回收純化后，利用t - a克隆技術將其克隆到pgem - t - easy克隆載體中，再轉化大腸桿菌jm109感受態細胞，轉化后經分子量比較、 pcr鑒定和酶切分析篩選陽性克隆。Procedures for welding or hot tapping on equipment in service
在用設備的焊接或熱分接程序Principal conclusions were drawn as the following : the non compatibility of pressure or velocity of the gas on both sides of the contact surface is the cause of the formation of shock wave ; the heating effect of reflective shock wave to driving gas during charging or exhausting process is the internal mechanism of peak oscillating effect, and all the factors that influence the formation and the running of the shock wave will influence the peak oscillating frequency, cooling effect
主要結論如下：熱分離機內激波形成的原因是射氣瞬間接觸面兩側壓力和速度不相容；峰值振蕩效應的內在機制為反射激波對充氣階段的驅動氣或低溫排氣的加熱，凡是影響激波形成及運動的因素都將對峰值振蕩頻率、冷效應及熱效應產生影響；當充、排氣時間比為0 . 1763時，最佳射流激勵頻率出現在高階峰值振蕩頻率上。There is a chemical reserve zone in the stack. in this zone the fe is present as feo, and the gas component is close to the balance composition of fe0. 947o / fe. so there is a part of longitudinal section, in which : l ) gas keeps its component, as ascending. 2 ) the composition of the gas is close to the equilibrium composition of the fe0 947o + co - " 0. 947fe + co2 under the temperature of the thermal reserve zone of about 1200 + 100k
根據冶煉理論，高爐在爐身一定高度上有一個「化學貯備區」 ，在該區，含鐵物料實際上都是浮氏體，並且煤氣成分接近fe _ （ 0 . 947 ） o fe平衡時的成分，這樣，高爐內存在高爐熱控制模型開發一個縱向區域，在該區內：二）煤氣上升時，成分不變。The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film
試驗結果表明：所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求；聚四氟乙烯樹脂熱分解溫度超過400 ，但在ptfe中加入無機填料會使復合材料吸水率提高，熔融溫度及分解溫度降低，且伴有氧化分解反應；碳纖維表面含有c = o及c - o - c等極性基團，有利於提高其與其它組分的相容性，提高層間剪切強度；均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系，擬合曲線基本能表示各配方的摩擦系數發展趨勢；配方中不加銅粉或不加石墨，其摩擦系數均較高，說明銅粉和石墨應該配合使用；當銅粉15份、石墨60份時，銅粉30份、石墨30 - 40份時，銅粉60 、石墨15 - 30份時，摩擦系數均具有較低值；純聚四氟乙烯樹脂在空氣冷卻時結晶度最大，磨損量也是三者中最大的；同時，固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的：不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副，在金屬表面均可形成潤滑轉移膜，從而減少金屬摩擦副表面間的直接接觸，大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。Abstract : based on the analysis of influence of tubular rib construction on heat transfer area on steel blank and heat transfer space in furnace, a t - shape support system for tubular rib is presented, by which the construction of wholly overhead furnace hearth can be realized for large and medium scale continuous reheating furnaces, making furnace gases to come into full contact with steel blank, raising space utilization ratio of furnace chamber and improving heat exchange
文摘:分析了爐筋管結構形式對傳熱空間、坯料受熱面積的影響；提出採用t形支撐技術優化爐筋管，可實現大、中型連續加熱爐的全架空爐底，使爐氣與坯料表面充分接觸，提高爐膛空間利用率，可較大幅度提高爐膛熱交換。Analysis for magnetic field of srm is very complicated since the flux waveforms in different parts of the motor vary with motor phase, stator pole and rotor number, also with the winding connections, etc, which results in the srm losses, especially iron loss calculation difficult. the temperature analysis due to the losses has become a study hot spot
Sr電機鐵心的磁通波形不僅與電機的相數有關，還與定、轉子齒極數、定子繞組連接方式等密切相關，從而使得sr電機磁場分析很復雜，復雜的磁通密度波形導致電機損耗特別是鐵損的計算非常困難。電機的損耗又會引起電機的溫升，因此高性能的sr電機的熱分析也成為目前的研究熱點。This paper analyzed the spontaneous detonation of ammonium nitrate and trinitrotoluene caused by their thermal decomposition and reactivity with pyrite. the auther suggests some countermeasures. which not only resulted in the successful mining of the powdered pyrite and better results, but also can be helpful for other related mines. 2tabs., 6refs
分析了銨梯炸藥自爆的原因是炸藥受熱分解，並與硫鐵礦接觸反應所引起的.同時分析了炸藥自爆事故的誘因及處理方法，提出了預防措施，使粉狀硫鐵礦開采獲得成功，取得了較好的效果，也為類似條件的礦山提供借鑒.表2 ，參6Hot - applied joint sealant systems for concrete pavements - methods of test
混凝土路面熱敷接縫密封系統.第3部分:試驗方法There are some technical requirements on grinding to at welding joints, the author proposes some solutions, aiming at improving the efficiency of at welding and the quality of the finished at welds
對鋼軌鋁熱焊接接頭打磨預留量，以及打磨中出現「鞍形」磨耗、打磨發藍、燒傷的原因進行分析，並提出解決措施，以提高鋁熱焊接方法的效率及焊頭質量。The company has products of all specifications and its major products are overhead insulating fittings, cold - heat shrinkable cable accessories, power line fittings, cold - pressed wiring terminal, cable branch cases, box - type transformer substations and tools, including more than 10 categories and 2000 kinds of product specifications
公司產品規格全，主導產品為架空絕緣金具，冷熱縮電纜附件，電力線路金具，出口冷壓接線端頭，電纜分接箱，箱式變電站，施工工具等10多個類別， 2000多個品種規格。The results show that mno which not be modified can not be use as electrode active materials because of its poor electrochemical activity. meanwhile, the rechargeabilify of mno modified by bi and pb is improved. bismuth could prolong the second electron equivalent discharge and lead could improve the first electron equivalent discharge performance
I44 ）對熱分解產物進行了充放電，循環伏安，恆電流極化， tafe曲線分析，交流阻抗分析，得出未摻雜的mno直接作為電極活性材料，其電化學活性很差，但通過摻bi ， ph進行改性，提高了其可充性， 1的影響主要在於第二電子放電， ph則可以延長第一電于放電Hot - applied joint sealant systems for concrete pavements - code of practice for the application and use of joint sealants
混凝土路面熱接密封系統.第2部分:接縫密封劑應用慣例Transverse cte of c / sic composites increases linearly, changing in a similar way with that of cvd sic in low temperature range ( < 900 ), and decreases fast in high temperature range ( > 900 ), then increases again at 1200
其徑向熱膨脹在低溫區域（ 900 ）內線性增加，與cvdsic的熱膨脹十分接近，在高溫區域（ 900 ）內迅速降低，並在1200急劇回升。Theoretical analysis of thermodynamic process inside the receiving tubes of rotating thermal separators
旋轉式熱分離機接受管內熱力過程的理論分析The samples were welded at 750, 800, 850 and 900. the diffusion coefficients ( d ) of cu and ni at interface increased with the increase of welding temperature. and comparing with radiation heating, atom diffusion velocity at interface quickened
其它條件相同時，分別在750 、 800 、 850 、 900的溫度下採用脈沖大電流加熱連接cu和ni片狀材料，結果表明接觸面處cu和ni的擴散系數隨溫度升高而增大。Ir - ta - ti metal oxide coated titanium anodes of variable composition were prepared by thermal decomposition. their micro morphorogies and electrochemical properties were characterized by scanning electron microscope, open circuit potential, cyclic voltammetry, consumption rate measurements and accelerated life test. the sem results indicated that all coatings were of a porous and cracked - mud microstructure influenced greatly by the composition of coatings. the electrochemical measurements showed that the ir - ta - ti ternary oxide - coated anodes exhibited excellent electrochemical activity and electrochemical stability in both acidic media and seawater which were affected by the composition and microstructure of the coatings. owing to good corrosion resistance and low consumption rate in seawater, metal oxde coated anodes belong to insoluble material, and can be potentially applid in impressed current cathodic protection systems as an anode
採用熱分解方法在鈦基體上制備銥鉭鈦金屬氧化物陽極，用掃描電鏡對陽極塗層顯微形貌進行分析，通過強化電解壽命試驗、開路電位測試、消耗率試驗及循環伏安曲線研究了金屬氧化物陽極的電化學性能. sem分析結果表明銥鉭鈦金屬氧化物陽極塗層呈現多孔多裂紋形貌結構.隨陽極塗層組成不同，塗層顯微形貌表現出很大差異，這種差異直接影響陽極電化學性能.電化學性能試驗結果表明銥鉭鈦金屬氧化物陽極在酸性介質和海水中具有良好的電化學穩定性和電化學活性.此外，銥鉭鈦金屬氧化物陽極在海水中的消耗率很低，屬于不溶性的陽極材料，作為外加電流陰極保護用輔助陽極具有廣泛的應用前景Hot applied joint sealants - part 8 : test method for the determination of the change in weight of fuel resistance joint sealants after fuel immersion
熱用接縫密封膠.第8部分:燃料浸沒后耐燃料接縫密封膠重量變化測定的試驗方法Tem, sem, dsc, and x - ray method were used to study the microstructures and their transformation of the laser melted layer, and superplastic forming bonding process of - tial was investigated. the results are as follows
採用光學金相、 sem 、 tem 、熱分析和x射線等方法，對激光快凝組織及其轉變過程和機理，以及超塑連接過程進行了研究。It can he used to compute many appropriate scalar quantities such as temperature, displacement, effective stress and effective plastic strain
重點研究此法在焊接的熱分析中的應用，得到了有益的結論。分享友人