碳的循環 的英文怎麼說
中文拼音 [tàndexúnhuán]
碳的循環
英文
carbon cycle- 碳 : 名詞[化學] (非金屬元素) carbon (c)
- 的 : 4次方是 The fourth power of 2 is direction
- 循 : 循動詞(遵守; 依照; 沿襲) follow; abide by
- 環 : Ⅰ名詞1 (環子) ring; hoop 2 (環節) link 3 (姓氏) a surname Ⅱ動詞(圍繞) surround; encircle;...
- 循環 : circulate; circle; round; repeat; loop; period; recurrence; cycling; circulating; mixing; circula...
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Chemical and stable carbon isotopic compositions of the ground waters of guiyang city, china : implications for biogeochemical cycle of carbon and contamination
碳同位素和水化學在示蹤貴陽地下水碳的生物地球化學循環及污染中的應用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 most important carboxylase in plants is ribulose bishosphate carboxylase ( rubisco ), which catalyzes the carboxyation of ribulose bisphosphate, the ‘ carbon - fixing ’ first step in the calvin cycle
在植物中最重要的羧化酶是核酮糖二磷酸羧化酶,它可以羧化核酮糖二磷酸,在卡爾文循環中是二氧化碳固定的第一步。In these chloroplasts carbon dioxide combines with phosphoenolpyruvate to form oxaloacetic acid, which is transported to the bundle sheath cells, where the carbon dioxide is released, then fixed by the enzyme ribulose bisphosphate carboxylase to form glycerate 3 - phosphate, the first step in the calvin cycle
在葉肉細胞的葉綠體中二氧化碳與磷酸烯醇丙酮酸結合形成草酰乙酸,后被運到鄰近的維管束鞘細胞,在那裡二氧化碳被釋放,后被核酮糖二磷酸羧化酶固定形成3磷酸甘油酸,這是卡爾文的循環第一步。And the impact of processing conditions on the electrochemical performance of the porous sn - cu alloys was investigated. results showed that it was good to add more verdigris and to make the annealing time longer for improving the performance. however, the problem of capacity fading can not be solved completely by this method
並對制備合金材料過程中所添加物質的種類和比例、燒結時間等工藝參數對合金的性能的影響進行了分析,發現添加堿式碳酸銅,並且增大添加比例以及延長燒結時間對電極材料的循環壽命有利,但是不能根本解決容量衰減的問題。From the measurements of cyclic voltammetry and galvanostatic charge / discharge, the composite electrode had higher specific capacitance ( 0. 84f / cm2 ) than pure mwnt array electrode ( 0. 38f / cm2 ) in the same experimental conditions. a kind of linear elementary carbon with the similar structure to carbyne was prepared by a new method. the sample appeared to be winding lines with the diameter of around 0. 2 run in the magnified image of the high resolution transmission electron microscope ( hrtem )
掃描電子顯微鏡表徵結果顯示,聚吡咯比較均勻地附於碳納米管的表面;通過比較復合電極和純mwnts陣列電極在相同條件下的循環伏安和恆電流充放電實驗結果得知,前者的比電容( 0 . 84f / cm ~ 2 )明顯高於後者( 0 . 38f / em ~ 2 ) 。Circulation and ore controlling mechanism of sulfur and carbon in gold deposit accumulation region of eastern shandong
膠東金礦集區硫和碳的循環與控礦作用Scanning electron microscope ( sem ) and x - ray photoelectron spectroscopy ( xps ) studies indicated that the additive of cs _ 2 took part in the sei film - forming in the process of battery cycles. the elements of carbon, oxygen and fluorin are the main members in the compounds of sei film. sulfur is also one of the main elements of the sei film when the electrolyte included additive of cs _ 2
利用掃描電子顯微鏡和x射線光電子能譜研究表明,二硫化碳在電池的循環過程中參與了sei膜的形成, sei膜的組成物質中主要是c 、 o 、 f三種元素,加入二硫化碳后, s元素也成為主要組分, sei膜的主要組成物質有烷基氧鋰、烷基碳酸酯鋰、碳酸鋰、硫酸鹽、聚烯烴及氟化鋰等。The apparent density of reticulated positive current collectors and parameter of the plate were decreased, and the utilization efficiency of pam and the cycle life of the batteries were improved
鍍鉛泡沫碳化矽集流體明顯降低了集流體的表觀密度和陽極板的參數,顯著提高了活性物質的利用率,延長了電池的循環壽命。Lifepo4 / c composite sample synthesized using coal tar bitumen and carbon both as the carbon precursor under 300 / 3 h + 650 / 6 h also gives a good discharge curves, the discharge specific capacity reached 104. 0 mah / g 、 100. 2 mah / g under the measuring current of 183 ma / g 、 366 ma / g respectively, and it keeps the good cycle performance in nearly 140 cycles. few reports were related to the lifepo4 / c composite synthesized using low cost bitumen as the carbon precursor
採用煤焦油瀝青和乙炔黑同時作為碳前驅體時,在300 / 3h + 650 / 6h的焙燒制度下得到的試樣,在183 、 366ma / g的大電流密度下仍有104 . 0mah / g 、 100 . 2mah / g左右的放電容量,在140次循環內均表現出了很好的循環性能。Individual plant species respond to climatic changes differently, which may cause great changes in competition and dependence among different species and plant - animal interactions
生態系統的物質循環(如水和碳的循環)等過程將隨物候而改變。Not only the subalpine coniferous forests are the importance material woods. but also they are principal part of natural protection projection in southwesten china and important ecological screen to the upper reaches of yangtze river. there is importent significance to study the distributing characteristic of soil microbal quantity, the amount of the microorganism of physiologicaland the distributing character of enzymatic activity to the study of the soil ecological process
因此,開展對川西地域中獨特的生態環境中土壤微生物群落、以及與碳氮循環有關的土壤功能微生物數量和酶活性等的分佈特徵研究,進一步揭示川西亞高山植物群落的生態學過程已成為一項重要的研究課題。They prevent soil erosion, play an important role in the water cycle, and absorb carbon dioxide for photosynthesis an effective means of regulating greenhouse gases that contribute to global warming
森林能防止泥土侵蝕在水的循環中扮演重要角色吸收二氧化碳以進行光合作用,有效調節溫室氣體,減緩全球暖化。To ec - based electrolyte, the presence of cs _ 2 has a very positive impact on the cyclic performance of the mcmb electrodes used. after 50 cycles, the specific capacity of the li / mcmb battery increased by 5 % compared with the capacity of the first discharge. the specific capacity of li / mcmb battery decreased by 3 % in the electrolyte without cs _ 2
對于碳酸乙烯酯基電解液,加入二硫化碳后, mcmb電極的循環性能得到改善, 50次循環, li / mcmb電池的比容量在首次放電容量的基礎上增加5 % ,而無添加劑二硫化碳的電池比容量衰減3 % ;二硫化碳加入還改善了li / mcmb電池的倍率特性。In paleoceanography, it plays an important role in determining the temperature of the paleo - sea surface, providing an understanding of the relationship between the primary paleoproduction and the carbon cycle, and testing the hypothesis of submarine methane release
在古海洋學領域,表層海水溫度、海洋初級生產力的大小及其種群結構的變化對全球碳第循環的影響、海底甲烷釋放等關鍵性科學問題都需要有機生物地球化學積極參與。The strategic suggestions on remote sensing - based biogeochemical dynamic estimating of carbon - nitrogen cycles in terrestrial ecosystems of china
開展我國陸地生態系統碳氮循環的生物地球化學遙感動態評估的思路與建議Abstract : according to the daga of crops yield and soil fertility changes of long term application of fertilizer and nutrients recycling obtained from ecological stations scatrtered in four typical areas under chinese academy of sciences and state minisetry of science and technology, the circulation ratios of organic carbon, phosphorus and nitrogen in the process of feeding - composting in were put forward in the agricultural system of black soi area, the ratios were about 0. 3, 0. 61 and 0. 49, respectively
文摘:根據中國科學院和國家科技部分佈於四大類型地區的生態站進行的長期施肥及養分循環再利用的作物產量、土壤肥力質量變化研究數據,提出了黑土區農業系統投料中有機碳和磷、氮在飼養? ?堆腐過程中的循環率。The current studies focus in developing multi - scale data - model fusion approaches and new generation of ecosystem models for simulating cross - scale interactions, understanding and quantifying impacts of climate and land use changes on terrestrial ecosystem productivity and water, carbon and nitrogen cycles, and assessing changes in ecosystems services, carrying capacity and sustainability
目前的研究工作集中於:發展多尺度的數據模型融合方法,建立能夠進行跨尺度機理模擬的新一代生態系統模型;認識氣候和土地利用變化對區域和全國陸地生態系統生產力和水碳氮循環變化的影響;評估生態系統服務功能、承載能力和可持續發展能力。For the decrease of the ratio of si / c, c / n from water to sediment, it is suggested that organic carbon is recycled more rapidly than biogenic silica, while organic nitrogen is recycled faster than organic carbon
水體和沉積物中si / c 、 c閃比值的差異顯示有機碳的循環比生物硅快,而有機n組分的循環又比有機c快。In the study of global carbon cycle, the continental margin, being considered one of the potential sinks of the missing term of carbon, has become the focus of researches in the past few decades
針對目前全球碳循環中的循環途徑不閉合的問題,大陸邊緣海因被認為是碳循環中丟失項( missingterm )的可能去處,而成為研究的焦點。分享友人