有極性物質 的英文怎麼說
中文拼音 [yǒujíxìngwùzhí]
有極性物質
英文
polar substance- 有 : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
- 極 : i 名詞1 (頂點; 盡頭) the utmost point; extreme 2 (地球的南北兩端; 磁體的兩端; 電源或電器上電流...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 物 : 名詞1 (東西) thing; matter; object 2 (指自己以外的人或與己相對的環境) other people; the outsi...
- 質 : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
- 物質 : matter; substance; material
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This product is the newest filming technique, the latest achievement of usa electronic magic, it utilizes decomposition principle of electronic material to form a positive negative ions film on the surface of car coating, which has high water repellency and makes the surface of coat has more than 95 % brightness of mirror surface, lt has preeminent performance on weathering resistance, ageing resistance, oxidation resistance static resistance and wear resistance, with the force of charged ions, this product can easy removes the dirt, water drop acid rain and grease on the surface of the film and perennially and effectively protect coat surface, lt is the fourth generation car beauty and protective product which replaces glaze sealing products
本品屬于當今最新的鍍膜技術,屬美國電子工學魔法的最新成果,它利用電子物質的分解原理,在車漆表面生成持有高撥水性的正負離子覆膜,使漆面光亮度可達鏡面光澤的95 %以上,並具有超強的耐候性、抗老化、防氧化、防靜電、耐磨性極好的功能,它利用電離子的力量,可輕松彈去覆膜表面的污垢、水滴、酸雨、油脂等,平時只需清水沖洗,便可立即使之恢復離子效應,達到長期保護漆面的目的,是取代封釉的第四代汽車美容保護產品。Laws have been giving full play to the initiative and creativity of human being, and promoting human desire to wealth and increasing the social wealth by protecting their private wealth and assuring the market economy system ; granting the communitarian who fail to earn a life minimum material satisfaction, through restoring or compensating on their loss
法律通過對個人財產所有權的保護和市場經濟體制的確認,充分調動了人的勞動積極性和創造性,促進人們對財富的追求和社會財富的不斷增長,通過對公民財產損失的恢復和補救,對喪失生活來源的人的社會保障和救濟,提供給社會成員最低限度的物質滿足。The second one is poplar wood ( 3. 41 mj / m2 ), and the chinese fir wood has the lowest polar free energy ( 0. 74 mj / m2 ). the result of the surface polar free energy has shown the hydrophilic adsorption of the wood surface
這一結果表明不同木材表面對極性的小分子物質(如水分子)有不同的吸附能力,其中馬尾松木材表面對水分的親和性較強。A lot of experiments have been done in the process of exploiture soft packaging li - ion battery about how to choice the rational arts and crafts. the content include : how to deal with the collector, add how much pvdf in the material, how long the material need to stirring and the right viscidity, how much condubtivity agent the electrode need, what theckness is best, choice different collectors, the degree of dryness of the electrode, theckness of pressed model, how much electrolyte will be added, placement how long after added the electrolyte, system of formation how to influnce the battery, in formation the battery need or not need preesure from outside, how to vacuumize and the optimize matching positive pole and negative pole. with these practice make sure the parameter of the positive pole should less than 90 m ; according to different vacuumize order the conduc - tivity agent in anode will be 5mass % and 9mass %, respectively, and in cathode the data is 2mass % ; every 100mah added to 0. 4 ml electrolyte ; before formation the battery should be placement 8 hours and the system of formation must be less than 0. 01c before the voltage reach to 3. 0v ; should press in outside when battery in formation ; to these batteries which capacity more than 350mah the vacuum time not excess 15s ; the optimize matching positive pole and negative pole between 2. 10 : 1 and 2. 15 : 1. finally make out the battery which cycling performance and security are all very well
液態軟包裝鋰離子電池的研究主要是對關鍵工藝進行了優化設計,具體包括:集流體的處理、 pvdf的加入量、漿料攪拌時間和粘度、導電劑的加入量、電極膜的厚度、不同集流體的選擇、電極膜的乾燥程度、壓型的厚度、電解液的加入量、注入電解液后靜置時間的長短、化成制度的影響、化成時電池所具有的壓力影響、抽真空的處理、正負極活性物質的匹配。最後確定出液態軟包裝鋰離子電池最佳工藝參數:正極膜的厚度小於90 m ;根據化成時不同抽真空順序,確定正極膜中的導電劑的加入量分別為5mass %和9mass % ;負極膜中導電劑的加入量為2mass % ;電解液的加入量為每100mah添加0 . 4ml ;化成前電池的靜置時間應當大於8h ;電池在3 . 0v之前採用小於0 . 01c的化成制度;在化成過程中應當施加一定的外部壓力;對於350mah的電池抽真空的延時不應大於15s ;而正負極活性物質的質量比應當在2 . 1 : 1 2 . 15 : 1之間。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。Results came as follows : in this dissertation, we found that it was the smallness of the positive electrode capacitance that limits the performance of carbon based supercapacitors in alkaline electrolytes, and the performance could be meliorated if the active material loaded on positive electrode increased. activated carbon electrode was proved to have good capacitor performances in neutral electrolyte such as ammonium sulfate solution and ammonium nitrate solution, but a correlated problem is the corrosion of the metal current collector
本文通過考察活性炭電極在堿性電解液中的電極行為,指出活性炭電極在堿性溶液中正極性能較差是影響碳基超級電容器性能的重要因素,增大正極活性物質的載量能夠使電容性能得到一定程度的改善,同時發現活性炭電極在硫酸銨和硝酸銨等中性電解液中具有優越的電極性能,但存在金屬集流體的腐蝕問題。Lithium metal oxides ( licoo2, linio2, limn2o4, etc ) used extensively at present ca n ' t increase battery ' s specific energy more while organic sulfides can do
最近的研究表明有機硫化合物作正極活性物質時,電池的比能量可得到進一步提高。Polarization curve experiment showed that the cathode polarizing of the current collector with surfactant increased in alkaline solution
極化曲線證明,集電體表面吸附有機活性物質后使陰極析氫反應的極化增大。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。From the experiment we have found out that the carbon fibre can improve the anode performance when it was used as pam additive and meanwhile it can have some benefits to the anode life. when its content at 0. 2 - 0. 3 % in pam can achieve its best result and under this situation it can improve the utilization of pam by 5 % at different discharge current. carbon fibre and sulfate sodium is used as complex pam additive and its effect is better than that of carbon fibre which alone is used as additive
通過實驗我們發現,碳纖維作為鉛酸電池的正極活性物質添加劑能提高鉛酸電池正極的性能,並且對電池正極板的壽命有一定的好處,當碳纖維在正極活性物質中的含量為0 . 2 0 . 3能得到最理想的效果,這個時候能在各種不同的放電電流下提高正極活性物質的利用率5左右,並且能夠使極板的電化學阻抗降低。3. the various organic surfactants were adsorbed on the surface of the current collector. the dynamic hydrogen evolution experiment proved that the evolution hydrogen amount of current collector adsorbing organic surfactants was less than without them in 7. 0m koh solution with zinc power
在堿性鋅錳電池負極集電體上分別吸附不同的有機表面活性物質,用動態析氫實驗表徵,發現集電體表面吸附有機活性物質在含鋅膏的7 . 0m的氫氧化鉀溶液中的析氫量變小。3. when table sugar was used as starting materials, it was used and pyrolyzed directly or was first mined with sulphuric acid after surface area of those materials is not larger than that of pas capacity is small in their electric double - layer capacitor, specific surface area has great effect on capacity, the larger specific surface area is, the higher capacity is, . but bulk density will decrease with increase of specific surface area
當以食糖為熱裂解碳的原料時,採用直接焦化和酸洗焦化兩種方式。所制備的樣品比表面積沒有聚並苯材料的大,在以30 h _ 2so _ 4為電解質的雙電層電容器中,容量相對較小。電極活性物質的比表面積對雙電層電容器的容量有很大的影響。Nano - sacle coo is apt to dissolve in the electrode homogeneously, and better conductive net of coooh come into being, thus contribute a lot to the procedure of the activation. the electrode with nano - scale coo and cnts shows higher discharge voltage and higher discharge capacity. nano - scale additives can improve the specific capacity of the electrode, the volume specific capacity and the mass specific capacity of the electrode with nano - scale coo are 784mah / cm3 and 224mah / g, respectively
結果表明:添加劑為納米coo的電極的活化性能最好,納米coo相對于普通coo能更加均勻的分佈在鎳電極內,也更易溶解、反應生成coooh導電網路,從而加快了鎳電極的活化進程;添迦納米coo和添加cnts的極片具有較高的放電電位和較大的放電容量,納米添加劑能有效提高鎳正極活性物質的放電效率和利用率;納米添加劑可以有效地提高鎳正極片的容量密度,其中添迦納米coo的極片體積容量密度達到784mah cm ~ 3 ,質量容量密度達到224mah g ;添加cnts的極片體積容量密度達到778mah cm ~ 3 ,質量容量密度達到223mah g 。Jiulin wang ( materials physics and chemistry ) directed by naixin xu, jun yang and jingying xie due to its abundant resources, low toxicity and the highest charge capacity in all known cathode materials, elemental sulfur is a promising cathode material for the next generation of high - performance lithium batteries
單質硫因具有很高的理論能量密度、豐富的自然資源和無毒性等多種優勢,成為下一代鋰電池中替代licoo _ 2的首選正極材料之一。可是目前報道的li / s電池面臨著一系列嚴重的問題,包括活性物質利用率低,循環性能差等。1. boron - doped diamond ( bdd ) electrodes have recently attracted considerable interest, especially for electrochemical analysis due to its outstanding characteristics : ( 1 ) very low background current density ; ( 2 ) a wide potential window in aqueous solution ; ( 3 ) good activity toward some redox analytes without any pretreatment ; ( 4 ) long term response stability
1 .硼摻雜金剛石( bdd )電極具有較低的背景電流、無需作任何處理的情況下對一些氧化還原分析物有好的活性、高電化學穩定性、寬的電位窗口和長時間的響應穩定性等優點,研究了一些活性物質在bdd電極上的電化學性質。The preparation and electrochemical performance of nickel hydroxide as a positive active material for the high capacity mh / ni alkaline rechargeable batteries were studied. the research result in this paper has some significance for the further development of nickel electrode with good properties
本文對鎳氫( mh / ni )堿性二次電池中所普遍使用的正極活性物質ni ( oh ) _ 2的制備和電化學行為進行了研究,對于進一步研製和開發綜合性能優良的鎳電極具有一定的實際意義。Immobilization methods of biomolecules are of the most importance for improving the performances of biosensors. the aim of the immobilization is to preserve inherent biological activity of biomolecules and firmly combine them with base electrode
固定化的目的在於使酶等生物活性物質在保持固有性能的情況下處于不易散失的狀態,以便同基礎電極組裝在一起。We try to produce foam lead grid in the experiment by a serial of measurments such as found, electroplate
而硫酸鈣單獨作為正極活性物質的添加劑對電池的性能有負面的影響。However, the insulating nature of sulfur and polysulfides and the loss of polysulfides in the liquid organic electrolyte make lithium - sulfur batteries have very low positive active material utilization and poor cyclability
但是單質硫及其放電產物導電性差,易溶於有機溶劑,使得鋰-硫電池正極活性物質利用率低、循環性能差等。They have been widely used in our everyday life due to their advantages on discharge capacity, specific energy and low - temperature performance et al. although such alkaline cells are in widespread commercial use there is a need to improve the cell or develop a new type of cell that exhibits reliable performance and longer service life for normal applications and performs even better than conventional zinc / mno _ 2 cells
長期以來,由於mno _ 2堿性電池具有放電容量較大,比能量較高,低溫性能優良,性能可靠等優點,因此傳統的堿性電池一直採用mno _ 2作為正極活性物質,然而其容量性能的進一步提高受到了mno _ 2電極的限制。分享友人