氮氣驅 的英文怎麼說
中文拼音 [dànqìqū]
氮氣驅
英文
nitrogen flooding-
An experimental setup has been designed and built up through a collaboration program between cryogenics laboratory in zhejiang university and limsi - cnrs ( france ). the system employs the inherently reversible stirling cycle, and then its thermodynamic efficiency can easily surpass that of standing - wave system and is even comparable to that of the traditional internal combustion engines
在充分理解工作機理的基礎上，與法國國家科研中心limsi實驗室合作，設計並建成一臺行波型熱聲驅動器實驗裝置，進行了初步實驗，以氨氣和氮氣為工質，成功地獲得了頻率分別為66hz和23hz的熱聲振蕩。The transportable powder series extinguishers are effective extinguishing appliances, in which extingshing agent sodium bicarbonate or ammonium phosphate powder together with the driving gas - nitrogen are filled in a full - sealed container. during application, nitrogen drives to jetting powder for extinguishing, which is advanced in technology, simple in structure, convenient in operation, maintenance and storage, safe and reliable
推車式乾粉系列滅火器是一種新型高效的滅火器材，它使用磷酸銨鹽或碳酸氫鈉乾粉滅火劑和驅動氣體氮氣一起灌裝在全封閉的容器內，滅火時由氮氣驅動乾粉滅火劑噴射滅火，具有技術先進，結構簡單、操作方便、易於維修、便於保管，安全可靠等優點。Numerical simulation of nitrogen thermal - foam flooding
氮氣泡沫熱力驅數值模擬研究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。Study of numerical simulation for gravity drive of crestal nitrogen injection in gas - cap reservoir
氣頂油藏頂部注氮氣重力驅數值模擬研究Nitrogen - gas flooding in extremely low permeability reservoir in block wei
衛42塊特低滲透油藏氮氣驅研究Through analyzing the effect of temperature and nitrogen on crude oil viscosity the influences of different nitrogen injection volume and injection modes on steam displacement are contrasted, the mechanism of nitrogen - assisted steam stimulation is clarified, which includes : heat carrying capacity is raised, the saturation of remaining oil is reduced after nitrogen - assisted injection is made ; crude oil flow is enhanced because of nitrogen compression and dispersion and the change of oil flow shape ; water back - production rate is improved by expanding the steam sweep volume and compensating in - situ energy ; steam distillation effect is enhanced
通過分析溫度、氮氣對原油粘度的影響，對比不同注氮量、不同注入方式等對蒸汽驅油效果的影響，弄清了氮氣輔助蒸汽增產的機理主要表現在：氮氣輔助后增加攜熱能力，降低殘余油飽和度，氮氣的壓縮膨脹作用分散和改變了原油流動形態，增強了原油流動性；擴大蒸汽的波及體積，補充地層能量，提高回採水率，強化蒸汽蒸餾效應。Portable stored - pressure powder series extinguishers are effective extinguishing appliances, in which extinguishing gaent sodium bicarbonate and ammonium phosphate powder together with the driveng gas - nitrogen are filled in a full - sealed container. during application, nitrogen drives to jetting powder for extinguishing, which is fast and effective in extinguishing, light in weight, convenient and simple in operation, safe and reliable
手提式乾粉系列滅火器是一種輕便高效的滅火器材，它使用磷酸銨鹽和碳酸氫鈉乾粉滅火劑和驅動氣體氮氣一起灌裝在全封閉的容器內，滅火時由氮氣驅動乾粉滅火劑噴射滅火，具有滅火速度快、重量輕、效率高、使用方便、靈活、安全、可靠等特點。The influence of nano - al2o3 on the sintering and the properties of the si3n4 ceramics was researched in this paper. the samples with different amount of nano - al2o3 were obtained by using pressureless sintering at 1600, 1650, 1700 in the nitrogen atmosphere. the microstructure and the composition of the ceramics were determined by the means of x - ray, sem, micro - hardness meter etc. it is show that the sisty ceramics can be densified at 1650c to % percent of the theory density through the addition of nano - al2o3 ( the value could be 90 percent by other technique ). the crystalline growth of the cylindrical - si3n4 and the ratio of its longitude to its diameter are increased with the addition of nano - al2o3. a uniform microstructure and an fined crystal as well as more sialon phases can be obtained in the si3n4 ceramics through the addition of that
實驗結果表明：在碳管爐中、氮氣保護下進行燒結，添加劑為納米al _ 2o _ 3粉末時，由於納米粉末的高活性、高燒結驅動力，在1650就可使si _ 3n _ 4完全地燒結，並使其緻密度可達理論密度的96以上（比其它工藝高6左右） ；同時，納米al _ 2o _ 3地加入大大促進了長柱狀? si _ 3n _ 4的生長和發育及柱狀晶長徑比的提高，使微觀結構均勻、細化，形成了更多力學性能優異的固體? sialon相，減少了不利於陶瓷材料性能的晶間玻璃相，凈化了晶界。The properties of cn thin films such as their morphology, component, crystal structure and the bonding structure and the relation between those properties and the gas - phase reaction parameters were discussed, showing that the deposition of p - c3n4 thin film is the compete result of various reaction processes in the dynamics balance conditions ; the process of cn films depo sition is diagnosed in situ through the optical emission spectra technique, the effects of experimental parameters on the concentration of the precursors and the gas - phase reactions in the plasma have been obtained ; the main reaction precursors for film deposition identified ; the relation between the characteristics of cn thin films and the reaction process in the plasma is analyzed. the cn thin films deposition under different substrate temperatures in high pressure pe - pld shows that the si atom of the substrate has participated the cn films growth process, based on this the growth mode of cn thin films on the si substrate is proposed. the further experiment of cn thin films deposition on si substrate scratched by diamond as well as covered with fe catalyzer has been attempted, which indicates that changing the dynamics conditions of the surface reaction can alter the growth characteristic of the cn thin films and can enhance obviously the films growth rate
採用pld技術進行了碳氮化合物薄膜沉積，得到了含氮量為21at的cn薄膜；研究了襯底溫度和反應氣體壓強對薄膜結構特性的影響，給出了cn薄膜中n含量較小、 sp ~ 3鍵合結構成分較少和薄膜中僅含有局域cn晶體的原因；引入脈沖輝光放電等離子體增強pld的氣相反應，給出了提高薄膜晶態sp ~ 3鍵合結構成分和薄膜的含n量可行性途徑；應用pe - cvd技術以ch _ 4 + n _ 2為反應氣體並引入輔助氣體h _ 2 ，得到了含n量為56at的晶態cn薄膜；探討了cn薄膜形貌、成分、晶體結構、價鍵狀態等特性及其與氣體壓強和放電電流的關系，證明了- c _ 3n _ 4薄膜沉積為滿足動力學平衡條件的各種反應過程的競爭結果；採用光學發射譜技術對cn薄膜生長過程進行了實時診斷，得到了實驗參量對等離子體中活性粒子相對濃度和氣相反應過程的影響規律，給出了cn薄膜沉積的主要反應前驅物，揭示了cn薄膜特性和等離子體內反應過程之間的聯系；採用高氣壓pe - pld技術研究了不同襯底溫度條件下cn化合物薄膜的結構特性，揭示了si原子對薄膜生長過程的影響，給出了si基表面碳氮薄膜的生長模式；在金剛石研磨和催化劑fe處理的si襯底上進行cn薄膜沉積，證明了通過控制材料表面動力學條件可以改變碳氮薄膜結構特性，並可顯著提高晶態碳氮材料的生長速率。Study on the mechanism of nitrogen hot - water foam flooding
氮氣泡沫熱水驅油機理及實驗研究The pyrolysis mechan ism functions of the second stage of dvb / hpso and vpso / hpso are both parabola principle, and the rates of pyrolysis reactions in this stage are both controlled by one - dimensional diffusion
600時， ai可與先驅體裂解產生的含碳小分子氣體反應生成a14c3 ， 800時ai可與裂解氣氛nz反應生成ain ，溫度升高， al的氮化反應不斷進行。Only use compressed air for driving a pneumatic tool. nitrogen can only be used occasionally under work permit restrictive conditions. never use oxygen or other gases
如要用壓縮氣來驅動氣動工具，氮氣也只可能在符合工作指引的嚴格要求下使用，千萬不在用氧氣或別的氣體。分享友人