氣相態 的英文怎麼說
中文拼音 [qìxiāngtài]
氣相態
英文
gas phase-
The understanding of biogeochemical cycle of hydrogen, oxygen, carbon, nitrogen, and sulfur elements in nature ecosystem have increased substantially in the past two decades owing to the improvement of gas isotope ratio mass spectrometer and the wide application of isotopic studies with these elements
摘要近20年由於氣相同位素比值質譜儀的改良和氫、氧、碳、氮和硫等穩定同位素的廣泛研究，穩定同位素的研究技術已實質增加我們對于這些元素在自然生態系中生地化循環的了解。The trace elements, constant elements and phase states of elements, which could indicate organic matter and combination gas, were found
發現了可指示有機質及油氣的微量元素、常量元素及元素的相態。Method : a static headspace gc - ms method was used to detect sulfur in the fumatory radix bupleuri, the authentic samples free of sulfur was detected as reference
方法：運用靜態頂空毛細管氣相色譜質譜聯用技術進行檢測市售柴胡是否經硫黃熏蒸，並從產地採集未經硫黃熏蒸的柴胡作為陰性對照藥材與市售柴胡進行比較。Experimental studies were conducted at the yucheng comprehensive experimental station of the chinese academy of sciences during the period from march to june in 2003. respiration of a pulverous sandstone soil was studied under cultivation of winter wheat over a growth season. soil ch4 was measured by the static - chamber method combined with gas chromatography ( gc ) technique. the results indicated that the soil of winter wheat field in rapid growth season is a weak sink of ch4
本文利用靜態箱氣相色譜（ gc ）分析的方法，在中國科學院禹城綜合試驗站，對華北平原冬小麥生長旺季期間麥田土壤中ch _ 4氣體通量進行了測定，試驗起止時間為2003年3 6月，得出華北平原典型冬麥田土壤是大氣ch _ 4的弱吸收匯。Modes of air - sea interactions in the indian ocean and their relationships with the rainfall over china as revaled by svd analysis
揭示的印度洋海氣相互作用模態及其與中國降水的聯系On the surface of msta, there exists true dipole mode in the indian ocean, that ' s to say that if the temperature anomaly in the western indian ocean is positive, it is much likely that there is negative anomaly in the eastern indian ocean. dipole mode also exists in the pacific as that in the indian ocean. by virtue of the walker circulation and the similar circulation above the indian ocean, it is showed that the air - sea interaction events in the tropical pacific and the indian ocean develop with each other at the same time
由於在次表層海溫距平極值面上，熱帶西、東印度洋的海溫距平呈真正意義的偶極子模態，即當西印度洋海溫距平為正（負）時，東印度洋海溫距平為負（正） ，偶極子模態的海溫距平分佈在熱帶太平洋同樣存在，兩大洋海溫距平的偶極子模態間有密切的聯系，結合walker環流和印度洋上空的類似walker環流，進而指出熱帶印度洋和太平洋海氣相互作用事件是協調發展的。The hydrogen permeation experiment of manet ii with hot dipping aluminized coating was performed in temperature range of 300 to 450, in gas phase and in liquid pb - 17li phase
在300 450溫度范圍內，分別在氫氣相和液態鉛鋰合金相中開展了帶熱浸鋁塗層manet馬氏體鋼的氫滲透性能研究。To let more domestic relevant researchers understand the applicable techniques of stable isotopes, this article not only introduces the principles of isotopes measurements by gas isotope ratio mass spectrometer, but also integrates the experiences of hydrogen, oxygen, carbon, nitrogen, and sulfur isotopes in agriculture and environmental applications that were described in papers
為讓國內更多相關研究人員了解穩定同位素技術的可利用性，本文描述氣相同位素比值質譜儀之分析原理，及整理氫、氧、碳、氮和硫等同位素在農業及相關生態環境研究上應用的文獻。Packaging - flexible packaging material - determination of residual solvents by dynamic headspace gas chromatography - absolute method
包裝.柔性包裝材料.用動態液上氣相色譜法測定剩餘溶劑.絕對測量法Packaging - flexible packaging material - determination of residual solvents by static headspace gas chromatography - industrial methods
包裝.軟性包裝材料.應用靜態液體上部氣相色譜分析法測定殘余溶質.工業法Packaging, flexible packaging material - determination of residual solvents by dynamic headspace gas chromatography - absolute method ; german version en 14479 : 2004
柔性包裝材料.動態液上氣相色譜法測定殘留溶劑.絕對The hydrogen permeation reduction factor ( prf ) evaluated in gas phase is 620 ~ 263 and in liquid pb - 17li phase is 45 ~ 30
結果表明，實驗所得到的氫滲透率減低因子（ prf ）為：在氣相中， 620 263 ；在液態鉛鋰合金相中， 45 30 。The intake lag angle of the engine is optimized, and the dynamic effects of intake pipes and exhaust pipes to the improvement of motorcycle engine is applied to make the engine test performance curve approach the simulation curve
本文介紹了從進氣晚關角及進排氣的動態效應幾方面著手，不斷改進發動機的配氣相位以及進排氣系統，使發動機的實際性能曲線逐步接近計算機模擬曲線。Test method for the boiling range distribution of petroleum distillates in the boiling range form 100 to 615 by gas chromatography
利用氣相色譜法在100至615之間進行石油蒸餾分佈狀態沸騰范圍測定的試驗方法( 3 ) using the csim4, the arctic sea ice equilibrium state was simulated reasonably. the simulated ice thickness distribution pattern very like that detected by submarine investigations. the simulated ice concentration and motion are similar to the observation
模擬的海冰厚度分佈與潛艇探測的海冰厚度分佈具有一致性；模擬的海冰密集度、海冰流速與觀測相近，模擬的海冰氣候態是合理的。At 800 meters, the ambient pressure is 80 times that of the atmosphere, high enough that the pressurized injected co2 is in a “ supercritical ” phase ? one that is nearly as dense as the brine it replaces in geologic formations
在800公尺深處，壓力高達大氣壓的80倍，足以令注入的二氧化碳呈超臨界態，這種相態的稠密程度，與地質構造中的鹵水相近。By improving surface condition of parts and one shot seal - off clean room grade, using ultrasonic vapor phase cleaning process, the inner parts of vacuum interrupter get cleaner. movable particles have been diminished by automatic current ageing, power frequency hi - voltage ageing and dynamic high current ageing. as the dielectric strength of clearance in vacuum interrupter improved, the probability of re - ignition in test drops evidently
通過提高零件表面加工質量，改善一次封排間的真空衛生條件、制定合理的超聲波氣相清洗工藝提高管內潔凈度，採用自動電流老煉、超高壓工頻老煉、大電流動態老煉等工藝進一步消除真空滅弧室內活動性微粒，可提高真空滅弧室真空間隙介質強度，使真空開關投切電容器組的重燃率大大降低，並通過實驗驗證真空開關投切電容器組的重燃率在製造工藝改進後由原來的10 . 7 %降低至1 . 3 % 。And then simulations of gas - particle two phase plane wake and gas - particle two phase plane jet were carried out by using this model. after numerical simulations of the two flow fields were finished, series of analytical work was done. first, the distribution of time - averaged velocity, turbulence intensity was analyzed, and some of the simulation results were compared with those of the experiments ; the coherent structure of vortices in the near wall region of the plane wake flow were studied by describing the evolution of the eddy structures, including the forming, developing and shedding from the wall of the vortices in the near wall region ; the coherent structure of vortices in the whole field was also studied, such as the forming, developing, moving, pairing and merging of the eddies etc.
在對上述兩種流動形態的二維大渦模擬研究中，首先全面地分析了氣相時均流場的速度、湍流強度的分佈規律以及氣相速度的脈動規律等並就部分數值模擬結果與實驗結果進行了對比研究；分析了平面尾跡流場中近壁處旋渦擬序結構，全面和逼真地反映了近壁處旋渦的生成、發展和脫落的規律；描述分析了平面尾跡流和平面射流的全場流動旋渦擬序結構，從整個流場的角度反映旋渦的生成、發展、運動以及旋渦之間相互配對、合併的作用規律等。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。An analytical survey of 10 main volatile constituents in yanjing draft beer brewed this year and some other brands of beer were conducted by using hscgc technique
摘要採用靜態頂空進樣結合高效毛細管氣相色譜分析啤酒香味組分的技術，對2004年「燕京」純生啤酒的10種主要香味組分進行了測定。分享友人