氫碳比 的英文怎麼說
中文拼音 [qīngtànbǐ]
氫碳比
英文
hydrogen-carbon ratio-
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。Their shells, which apart from hydrogen, helium, and carbon also contain portions of the heavy elements formed in the stellar core, are inherently unstable, and their pulsing creates a withering stellar wind a billion times stronger than the solar wind we know today
它的殼層除了氫層、氦曾和碳層外還有包含一部分產生自恆星核心的重元素，天生的不穩定，它們的脈動產生了一種毀滅性的星風，比我們現在知道的太陽風要強數百萬倍。We also inves - tigated the capability of i1ydrogen stol ' age i11 mwnt alld tbulld swnt was better than mwnt for l1ydrogen storage. in addition, xxe discussed some questiolls related hydrogen storagc tvitl1 cl1c111ictll potcl1tial, tel11perature and surface configuration
然後對多壁碳納米管儲氫進行計算機模擬，並與單壁納米管儲氫結果做了比較，結論是單壁碳納米管儲氫的效果優于多壁管。Tree ring is a kind of natural archives, on which the isotopic analysis is important to study global climate and environmental change. the authors mainly provide a comprehensive introduction to the fractionation models of carbon, hydrogen and oxygen isotope in plants, their research techniques and the extract methods from cellulose. that results show isotopic tracer can record the message of climatic variation and has become a powerful tool for paleoclimate reconstruction and for the modern environment changing research. especially studying on pages, the cellulose isotopic analyses of imbedded old tree ring have become the mainly quantitative means of environmental evolvement. in addition, china is a typical monsoon country, research in tree ring stable isotope seasonal variation can give us a lot of important information on that. up to now, the research techniques and works on tree ring in our country are still in its earlier stage, and remain many limitations. it needs further accumulate basic research materials, intensify regional contrast and intercross studies on relative subjects
尤其是在過去全球變化pages研究中，埋藏古木纖維素中的碳氫氧同位素分析已成為環境演化研究的主要量化手段。另外，對于中國這樣典型的季風氣候國家，開展樹輪穩定同位素隨季節性變化的研究具有重要的意義。我國在樹輪研究方面起步較晚，研究方法和研究內容上也比較簡單，還存在不小差距，既要進一步積累基礎資料，又要做區域對比，加強與相關學科的交叉研究。Abstract : based on the principle of non - weighting determination of c 、 h 、 n atomic ratio ， a micro - injection sample introducing method was developed for determination of h / c ratio for volatile reagent
文摘:根據不稱重法測定化合物碳、氫、氮原子比的理論，建立了微量注射法測定強揮發性液體樣品的氫/碳原子比的方法。Cetane improver. makes the engine run better at higher compression settings
碳氫化合物的改進物。使引擎在高壓縮比時運轉較為順暢。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。Ammonium hydrogen carbonate for industrial use - determination of heavy metal content - visible turbidimetric method
工業用碳酸氫銨重金屬含量的測定目視比濁法In the shock tube, the detonation parameters, such as critical initiation energy, detonation velocity, detonation pressure, detonation limitation and etc., have been measured and the relation is too obtained between detonation parameters and equivalence ratio. chemical kinetics process of hydrocarbon fuel has been analyzed according to the chain reaction mechanism
在立式激波管中測試了工業燃料c _ 5h _ （ 8 . 68 ）的臨界起爆能、爆速、爆壓、爆轟極限，得到了爆轟參數與當量比之間的關系；從爆轟反應是一個鏈反應機理出發，分析碳氫燃料的反應動力學過程。Kno3 solutions ( 0. 1 mol / l and 1. 0 mol / l ) were used to dope carbon nanotubes. the results show that mwnts annealed in nitrogen adsorbed more hydrogen than those annealed in air
室溫下納米碳管吸附的氫氣不能完全脫附，說明納米碳管的吸氫方式包括物理吸附和化學吸附，其中化學吸附比較難于釋放。Further, solid carbon can be obtained from a variety of natural resources with large enough reserves and with a high exergy retaining ratio
另外，碳燃料來源廣泛，生產純碳的過程往往比生產純氫的過程有效能保持率高。Abstract : during the heating of scrap with carbon or hydrocarbon contented substances in some process, it will bring problems like explosion of carbon monoxide, fume and smell from oil volatilization, etc. ， if incomplete combustion occurs. through laboratory experiments, the time related variation of gas contents and post combustion ratio of fume during the heating of oil - bearing scrap are studied. the results show that the restrictive chain of reaction procedure is the thermolysis of oil ; that temperature and ( co ) / ( co2 ) ratio influence transformation ratio and post - combustion ratio under lower temperature ; that 900 is the temperature above which the complete reaction can be ensured at all ( co ) / ( co2 ) ratios
文摘:在某些廢鋼熔煉過程中，當爐料中含碳及碳氫物質且燃燒不充分時，會帶來煙氣中一氧化碳的燃爆、油污揮發時造成的煙霧、臭味等問題.通過實驗室裝置研究含油廢鋼在加熱過程中煙氣成分隨時間的改變以及二次燃燒率的變化，試驗結果表明，反應過程的限制性環節是油分的熱分解；在較低的溫度下（ co ） / （ co2 ）比例影響轉化率和二次燃燒率；而在任意比例下保證充分反應的溫度為900以上The convective term is solved by ausm + ( a sequel to ausm which means " the advection upstream splitting method " ). the 7 species 8 steps model and 7 species 7 steps model of hydrogen / air is used in the hydrogen reacting flowfield, the 9 species 5 steps model of methane, the 10 species 10 steps model of ethane and the 10 species 13 steps model of kerosene are used in the hydrocarbon reacting flowfield, the results of the distributions of velocity, mach number, pressure, static temperature, total temperature, species mass fraction and the combustion efficiency are gained, and the numerical results of the pressure of hydrogen and methane are compared with those of the experiment
計算中通量項採用ausm +通量分裂格式，氫反應流場採用氫/空氣的七組元八方程模型和七組元七方程模型，碳氫反應流場採用甲烷的九組元五方程模型、乙烯的十組元十方程模型和煤油的十組元十三方程模型，得出了超燃發動機燃燒室流場的速度、馬赫數、壓力、靜溫、總溫和組元質量分數分佈及燃燒效率等性能參數，其中氫和甲烷的計算壓力分佈與實驗結果進行了比較。Abstract : nano tio2 was dip - coated on active air purification sieve of active carbon. the purification effect of this sieve against various polluting gases were investigated. the result showed that purification effects on h2s, nh3, hcho, co, and toluene were notably enhanced throush degradation of pollutants by photocatalysis agent under uv irradiation, which resulted in enhanced purification ability of active carbon
文摘:採用浸塗法在活性炭空氣凈化網上負載納米二氧化鈦，在紫外光的照射下，凈化網對一氧化碳、甲醛、硫化氫等污染物的凈化能力明顯增強，對比實驗表明，在紫外光照射下光催化劑使被吸附的污染物發生降解反應而提高活性炭的凈化能力。Nano tio2 was dip - coated on active air purification sieve of active carbon. the purification effect of this sieve against various polluting gases were investigated. the result showed that purification effects on h2s, nh3, hcho, co, and toluene were notably enhanced throush degradation of pollutants by photocatalysis agent under uv irradiation, which resulted in enhanced purification ability of active carbon
採用浸塗法在活性炭空氣凈化網上負載納米二氧化鈦，在紫外光的照射下，凈化網對一氧化碳、甲醛、硫化氫等污染物的凈化能力明顯增強，對比實驗表明，在紫外光照射下光催化劑使被吸附的污染物發生降解反應而提高活性炭的凈化能力。Hydrocarbon binders. determination of the carbochemical heavy distillates content of mixed bitumens. densimeter method
氫碳粘合劑.混合瀝青中碳化重餾分含量的測定.比重計法H c fuel hydrogen carbon ratio
燃油中烴的氫碳比H c hydrogen carbon
烴的氫碳比H : c mole ratio
氫碳摩爾比These results can be used as a reference for optimization of polygeneration systems. the syngas generated from coal needs shifting reaction to adjust h2 / co ratio to fit the methanol synthesis requirement
由煤制得的合成氣經過變換反應達到滿足甲醇合成要求的氫碳比，這一過程消耗了能量但提高了甲醇產率，在不同的甲醇產率下多聯產系統的效率隨之改變。分享友人