放流密度 的英文怎麼說
中文拼音 [fàngliúmìdù]
放流密度
英文
density of released fish-
( 2 ) this paper has firstly identified these genetic units on shore beach - shore face, longshore zone, longshore sands, erosional channel, leveed channel, turbidite lobes, turbidite sheet, slump, debris flow, density - modified grain flow etc ; at the same time, and points out that the lake of cretaceous is open - type fresh water lake
（ 2 ）首次系統確定濱灘-濱面、沿岸帶、沿岸沙壩、侵蝕水道、有堤水道、濁積葉狀體、席狀濁積、滑塌體、碎屑流、密度改正顆粒流等成因單元。同時指出白堊紀湖泊為開放型淡水湖。In this paper, we focus on the following three topics : ( i ) density distribution of dusty plasma in the low - pressure collisionless positive column the radial density distributions of electron, ion and dust particle in the low - pressure collisionless positive column are investigated with a fluid theory and a self - consistent dust - charging model
本文著重以下三個方面的研究： （ ）低氣壓無碰撞輝光放電正柱區塵埃等離子體密度徑向分佈本文採用流體模型和自洽的塵埃充電模型，研究了低氣壓無碰撞輝光放電正柱區的電子密度、離子密度和塵埃粒子密度的徑向分佈。From the model, we can solve and gain the values and change orders of charging current, charging voltage, discharging current, discharging voltage and inductive current. after that, the electromagnetic fields can be created from two circuits " currents, and their magnetic rector and flux can be simulated from ansys solver
用ansys multiphysics模塊求解出充電電流、充電電壓、放電電流、放電電壓和感應電流以及這些參數隨時間變化的規律：然後利用兩個迴路的電流耦合出電磁場，並模擬出磁矢量、磁通密度。In the third chapter, the influence of current density, solution concentration, erosion time and aging in ambient air on the pl spectra of ps suggests that peak would blue shift with current density increasing, and with erosion time and aging time prolonging ; with the increasing of solution concentration, peaks would red shift when solution concentration less than 1 : 1 but blue shift when solution concentration greater than 1 : 1. above phenomena can be explained by quantum confinement and light center model, but do not deny the action of si - h bonding and defect on the surface in the process of photoluminescence. at present, radiation mechanism is still one of the primary problems in the study of ps
在第z三章中；通過對比，分析了電流密度、陽極化時間、溶液濃度以及自i然氧化時間對多孔硅光致發光光譜的影響，認為在一定的范圍內，多i孔硅的發光峰位會隨電流密度的增大而藍移，要獲得較強的發光，需z要選擇合適的電流密度；隨著腐蝕時間的延長，多孔硅的發光峰位會i發生藍移；當f酸的濃度較小q ： 1 ）時，峰位隨濃度的增大表現為向i低能移動；而當f酸的濃度較大河山時，峰位隨濃度的增大則表現z為移向高能；多孔硅在空氣中自然氧化；其發光峰位發生藍移，而強i度隨放置時間的延長而降低。With stable and reliable operation, compact structure, and strong air breathing ability, it enables to enhance the stocking density for fish and prawn, flow water by stir to increase the dissolved oxygen concentration in water, and make even water temperature to improve water quality, which is an idle equipment for high - yielding aquaculture
具有工作平穩，運行可靠，結構緊湊，充氣能力強，提高魚蝦放養密度，攪拌水體流動，增加水中溶氧含量，能使水溫均勻達到改善水質的目的，是實現高產養殖的理想設備。To get mass flow rate of vent gas and coarse aeetaldehyde from their volume flow rate data, density compensations are performed with regressed relationship between density and ( temperature, pressure and concentration )
針對包含化學反應過程的生產流程，提出了基於原子衡算的數據調和演算法，並將之應用於乙醛生產過程的數據調和。調和計算中考慮了粗乙醛流量和小放空氣體流量的密度補償。When it is discharged at high - rate, the distributions are also the most uniform at the end of the discharge. this indicates that the positive plate with the red lead has the better discharge performance than the other two kinds of positive plates
含紅丹的正極板在化成初期電流密度和電位的分佈最均勻，極化最小，在高倍率放電結束時，其電流密度和電位分佈也最均勻，表明含紅丹的正極板的放電性能比其它兩種正極板好。Comparing with other wet methods, the technical processing of this one is simple and there is no restriction for the raw materials
以0 . 25ma . cm一的電流密度恆流放電，首次實際放電比容量可達350mah . g一，左右。Because of the limitation of experimental conditions we failed to form foam lead grid in the experiment. copper draw net is used as anode grid and it can improve to some extent the utilization of pam. due to human errors in the experiment we have not used the same discharge current density
在實驗中我們試圖通過鑄造法、電鍍法和還原法等一系列的實驗辦法製作泡沫鉛板柵，由於實驗條件的限制，沒能夠成功制得泡沫鉛，而在使用銅拉網作為正極板柵的時候，能夠使電池的正極活性物質利用率有提高，但由於實驗時候的失誤，沒能夠使用相同的放電電流密度進行放電，我們無法利用實驗數據比較出具體能提高的數字。We have made three - dimension electric conduct grid by hand and we have successfully used it as anode grid in lead - acid battery. this kind of three - dimension electric conduct grid can improve the utilization of pam by 7 - 9 % in different discharge current density and can reduce the plate electrochemical impedance to one tenth of the normal plate. also this kind of grid can improve the marginal reaction current density in a certain degree
我們通過手工製作了三維導電體板柵，並成功的應用於電池的正極作為正極的板柵，這種三維導電體板柵能夠在各種不同的放電電流密度下提高正極活性物質利用率7 9 ，能夠使電池正極板的電化學阻抗降低到普通板柵的1 10左右，使正極板的極哈爾濱j _程大學碩十學位論文限反應電流密度略有所提高，但是這種板柵的耐腐蝕性能很不理想，使得所製作電池的壽命很短。In this thesis, we have mainly studied the characteristics of chf3, c6h6 and cf4 electron cyclotron resonance ( ecr ) plasma using langmuir probe and optical emission spectroscopy ( oes ). the relative concentration of different radicals in chf3 plasma and the effect of chf3 / c6h6 ratio on bond configuration of a - c : f films were discussed. it was showed that h, f, c2 were the main radicals among radicals of h, f, c2, ch and f2 in chf3 ecr plasma
重點研究了chf _ 3 、 cf _ 4和chf _ 3 c _ 6h _ 6放電等離子體中基團的分佈；分析了不同基團的相對密度隨宏觀放電條件（微波輸入功率、放電氣壓、源氣體流量比）的變化規律；探討了等離子體中各種基團的生成途徑；在不同源氣體流量比的條件下沉積了a - c ： f薄膜並通過傅立葉變化紅外吸收光譜（ ftir ）的測量得到了薄膜中鍵結構的信息；分析了a - c ： f薄膜的沉積速率及其鍵結構與等離子體空間基團分佈狀態之間的關聯。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。Simulation results show that cathode over - potential under low current density is considerably increased because of methanol crossover, but its effect becomes much lower under high current density
模型顯示在低放電電流密度下，甲醇穿透顯著地增加了電池陰極過電位，降低了電池電壓；但在高電流密度下，甲醇穿透對電池性能的影響不顯著。But the comprehensive properties were improved remarkably. with the addition of carbon nanotubes, the polarization of charging process decreased, the plateau of discharge became flatter and the migration of potential of peaks value of cyclic voltemmograms reduced. for the other hand, the exchange current increased, ohm resistance and electrochemical reaction resistance of the electrodes decreased, the diffusion resistance of hydrogen and the resistance of adsorption decreased, too
摻入碳納米管對儲氫合金電極的容量影響較小，但其電化學性能卻有較大的改善，主要體現在：充電的極化減小，放電平臺更加平穩、循環伏安曲線的峰值電位隨掃描速度增大的遷移量減小，交換電流密度增大，電極的歐姆電阻、電化學反應、擴散電阻和吸附電阻均減小。Sintering speed increased greatly with the help of great quantity of heat of the molten iron, the great quantity of heat sent out from the carbonizing reaction and a little quantity of liquid, this sintering type is an instantaneous sintering, the sintering compacting can carry completely in a few minutes, the degree of sintering compacting is very high. ( 6 ) the vc - fe surface composite has high rigidity, it ' s rigidity exceeds 60hrc, under condition of dry sliding friction and overloading
鑄造燒結時，過熱鐵水的巨大熱流密度沖擊、粉料壓坯中的碳化反應的放熱以及壓坯中少量液相的產生使壓坯的燒結速度大大提高，此時屬瞬間液相燒結，在十幾分鐘內燒結過程即可完成，可達到很高的緻密化程度。 （ 6 ）鑄態下vc一fe表面復合材料具有很高的硬度，其鑄態硬度） 60hrc 。The influences of other factors ( the charging - discharging current density, the granularity of a30 00, the content of acetylene black and the content of ptfe ) on the charging - discharging performance of sample a3000 were also investigated by the orthogonal method through galvanostatic charging - discharging experiments
結合恆電流充、放電實驗，採用正交法分析了充、放電電流密度、 a _ （ 3000 ）試樣的粒度、炭膜中乙炔黑的含量和ptfe的含量對a _ （ 3000 ）試樣的充、放電性能的影響。Although battery ' s working voltage plateau decreases with increasing of discharging current density, the exporting capacity of the battery has little changes
雖然放電電流密度的提高使電池的工作電壓平臺降低，但是電池的可輸出容量變化不大。Technological conditions of the cathode material lini1 - xcoxo2 using like sol impregnation method at air atmosphere have been investigated systematically. the structure and cycling performance of the sample linio. 7coo. 3o2 obtained at optimal conditions have been further studied too. the results indicates that the sample exhibits good electrochemical properties when cycled at low current density, and the material has little volume changes, showing good stru
通過對不同充放電電流下材料的xrd圖譜的特徵及循環穩定性的分析，發現空氣中合成的lini _ （ 0 . 7 ） co _ （ 0 . 3 ） o _ 2材料以低電流密度充放電時具有良好的電化學穩定性，當材料以低電流密度在0 . 3 1 - y 1 . 0范圍內進行脫/嵌鋰反應，材料的體積變化較小，結構穩定。The morphology examination by sem and tem showed that the carbon nanotubes were arranged in the array uniformly and paralleled, with smooth walls, the outside diameter of 120 nm and the inside diameter of 110 nm. from the cyclic voltammetry, the array electrodes in an acidic electrolytic solution had greater capacitance than the case in a neutral electrolytic solution. the specific capacitance of 365 f / g was achieved with the discharge current density of 210 ma / g in the solution of 1 mol / l h2so4
掃描電子顯微鏡和透射電子顯微鏡對碳納米管陣列電極的形貌表徵表明碳納米管形狀規整，排列有序，尺寸均勻，管壁光滑，外徑約為120nm ，內徑約為110nm ；循環伏安實驗表明mwnts陣列電極在酸性溶液中比在中性溶液中具有更好的電容性能；根據恆電流充放電法得出mwnts陣列電極在1mol / lh _ 2so _ 4水溶液中，在210ma / g的放電電流密度下的比電容可達353f / g ，比目前報道的無序碳納米管和活性炭電極的比容量都高得多；其它電化學實驗顯示該電極具有很低的內阻和良好的充放電循環穩定性。It shows that the charge - discharge performance of the battery, which is fabricated by casting the polymer electrolytes on the surface of the cathode directly then impregnating the composite electrode in liquid electrolytes for seconds, is much better than that of other batteries. the best battery ， s charge - discharge current density is as high as 0. 33 ma / cm2, and its specific energy accesses to 110ah / kg. moreover its capacity remains 80 % of initial capacity even after 20 cycles
這種電池的充放電電流密度可達到0 . 33ma / cm2 ，比容量可達110ah / kg ，且在20次循環后，電池的容量仍能保持初始容量的80 % ，電池的充放電效率達到85 %以上，但是電池的本體電阻和電化學極化電阻比液態鋰離子電池高兩個數量級。分享友人