氧的循環 的英文怎麼說
中文拼音 [yǎngdexúnhuán]
氧的循環
英文
oxygen cycle- 氧 : 名詞[化學] (氣體元素) oxygen (o)
- 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...
-
Based on the avaliable isotope samples, we found that fon - lin alluvium, groundwater can be conceptually divided into three layers
此外由分析氫、氧同位素的組成,可定性地說明該區重要的水文循環特性。Rapidly increasing oxygen in water, driving water circulation in pond, and efficiently handling hypoxia in fish, prawn and eel, it is a necessary tool of increasing oxygen for aquiculture
1迅速增加水中氧氣,推動池中水循環,有效快速解決魚蝦鰻等浮頭現象,是水產養殖的必要增氧工具。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 addition of calcium hydroxide in zinc electrode can reduce the solubility of zinc oxide and improve discharge capacity, cycling life and utilization of active material
在氧化鋅中加入氫氧化鈣能顯著降低氧化鋅在堿性溶液中的溶解度,明顯改善鋅電極的放電容量、循環壽命以及活性物質的利用率。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。Mcfc ( molten carbonate fuel ceil ), which is one of two kinds of high temperature fuel cells, have been researched in most of countries
高溫燃料電池熔融碳酸鹽燃料電池( mcfc )或者固體氧化物燃料電池( sofc )和汽輪機組成的聯合循環發電系統更具吸引力。Interested students can find the detail reactions of the p - p chain and the cno cycle in our textbooks
有興趣的讀者可參閱課本中關于質子質子鏈和碳氮氧循環的詳細討論。The cno cycle is faster and more energy is produced per second. in order to effectively transport the heat energy out from the star, its core has to be convective
碳氮氧循環的反應比較快,可以產生更多能量而只有對流核心能將這些多的能量有效地傳遞出去。The oxygen cycle involves both oxidation and reduction.
氧的循環包含氧化和還原。In order to improve the electro - catalytic activity of platinum based catalyst to methanol oxidation, in this thesis, firstly prepare heteropoly acid modified pt / gc electrode with different concentration by cyclic voltammetry method, and then test the cyclic voltammetry curves individually in vitriolic and methanol solution. the study shows the best concentration for both phosphomolybdic acid and phosphotungstic acid is 1 10 ~ ( - 3 ) mol / l. and find the more heteropoly acid modified on electrode, the lower peak - up potential towards methanol because of the existence of oxygenous species
為了改善鉑基催化劑氧化甲醇的催化活性,本論文首先通過循環伏安掃描法制備了不同濃度磷鉬酸和磷鎢酸修飾的pt / gc電極,通過研究pt / gc電極在修飾前後在硫酸溶液中及含甲醇的硫酸溶液中的循環伏安行為發現,磷鉬酸和磷鎢酸均能在ptru / c電極上發生氧化還原反應,而且雜多酸修飾濃度對pt / gc電極氧化甲醇的催化活性有很大影響。The low solubility of calcium zincate produced from the chemical reaction of zinc oxide and calcium hydroxide in alkaline solution can improve the cycling life the zinc electrode, and the discharge capacity will tend to be stable. furthermore, the effects of la2o3 additives on the electrochemical performances of zinc electrodes were investigated. the results shows that the addition of la2o3, in zinc electrode can improve the area of reduction peak and the hydrogen evolution potential which means the cathodic hydrogen evolution reaction can be hindered
氧化鋅與氫氧化鈣在堿性溶液中化學反應生成的難溶於堿的鋅酸鈣可以使鋅電極的循環壽命得到提高,放電容量也趨于平穩,此外還考察了氧化鑭對鋅酸鈣電極電化學性能的影響,結果表明:添加適量氧化鑭能明顯改善鋅電極的電化學性能,使鋅電極的還原峰電位正移,電極反應可逆性得到改善,同時也可抑制鋅電極析氫反應的發生,提高了鋅電極的陽極電流,對陽極反應有一定的活化作用;同時還可以改善鋅電極的放電特性,增加電極的放電容量。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。After the coke being puted into the coke - quenching device, the lid of the device should be shut at once. while the suction pump, refrigeration compressor, high pressured water circuling pump are started, the subpressure will be produced by the burning coke. then, in the vacuum, the coke will be extinguished in a flash. the burning of the coke instantly, still, produces a large quantity of heat which can be taken away by circulating water in refriger and the interlayer, after that, the temperature will fall to 60oc, even lower. in this condition, the coke will be pushed out to be stored, thus, the coke won ' t rekindle
當焦炭推上攔焦車進入熄焦器后,立即關閉罐蓋,同時啟動真空泵、冷凍機、高壓循環水泵,這時,燃燒著的焦炭就會因真空泵把熄焦器內抽成負壓,由於缺氧,使焦炭熄滅,雖然煤炭在瞬間被熄滅,但由於焦炭生成過程中所產生的大量的熱量還存在,這時,冷凍機和夾層中的循環水的工作就會把焦炭中的熱量帶走,使之在短時間內將溫度降到60以下,在這種狀態下把焦炭從熄焦器內推出入庫,焦炭就不會復燃。For the other hand, la2o3 additives can improve the activation process and discharge capacity obviously for zinc electrode. the appropriate content of la2o3 additives in zinc electrode can increase the electrochemical properties of the zinc electrode. zn / ni battery with the zinc electrode containing calcium additive showed better discharge capacity and charge - discharge cycling life
以鋅酸鈣為活性物質的鋅電極能得到更高的鋅利用率,且以鋅酸鈣為活性物質的鋅鎳電池的循環壽命明顯優于以氧化鋅為活性物質的鋅鎳電池;兩層隔膜的鋅鎳電池的放電容量高於一層隔膜的鋅鎳電池,容量衰減速度也明顯小於後者。Simulation results show that based on the regeneration kinetics of the catalyst, properly raising the reoxidation temperature of the catalyst in the fluidized bed reactor either can obviously improve the performance of the system or can reduce the solid flux and hence the energy consumption
結果表明,使烴類選擇氧化(催化劑被還原)和催化劑氧化再生分開進行,特別是根據催化劑氧化再生動力學的要求,適當調節再生過程的溫度,既能明顯改善反應系統的性能,又可以大幅度降低催化劑固體顆粒的循環量,取得節能降耗的效果。After finished the cyclic voltammetry experiments, the results showed that iron steel grid can act as good current collector in the aqueous electrolyte. while the scan rate was fall in the range of 0. 5 - 4. 0mv / s, electrochemical reaction of the lithium insertion / extraction in the solid phase was kinetically limited by the diffusion of lithium ions. after 40 cycles in aqueous electrolyte the discharge capacities of sample of s13 reached 77mah / g, and showed good cycle performance
在水溶液中不銹鋼網可以作為電極的集流體,在0 . 5 - 4 . 0mv / s的掃描速度范圍內,鋰離子在尖晶石鋰錳氧化物的嵌入和脫嵌的電化學反應在動力學上是受鋰離子在固相中的擴散所控制,充放電實驗顯示樣品s13在水電解液中經過40個循環后達到77mah / g的放電容量,具有很好的循環穩定性。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。Study on the characteristics of cyclic voltammetry in electrocatalytic oxidation of phenol in water
電催化氧化水中苯酚的循環伏安特性研究5. by using mno2 as positive electrode and actived carbon as cathode, we could assemble a hybrid capacitor in ( nht ^ sc ^ aqueous electrolyte. the mass ratio between actived materials of the positive electrode and that of cathode effected the specific capacitance of the capacitor
用活性炭作負極,二氧化錳作正極,在( nh _ 4 ) _ 2so _ 4溶液中,能夠組裝成混合電容器,其工作電壓可達1 . 5v ,並且有良好的循環性能。分享友人