陰電性的 的英文怎麼說
中文拼音 [yīndiànxìngde]
陰電性的
英文
electronegative-
Utilizing the electric double layer produced by hydration of cement to gather in superfluous water at negative electrode and reduce the water cement ratio of solidification by using electroosmosis technology
方法採用電滲技術,利用水泥水化產生的雙電層的導電性能,使混凝土中的多餘水分向陰極聚集,以減少混凝土的凝結水灰質量比。Using diethanolamine as aminating agent and glacial acetic acid as neutralizing agent, aminated epoxy acrylic cationic resin was prepared. the effect of technology of aminated epoxy acrylic resin on properties of eletrodeposition was studied by conductivity meter and electrophoresis apparatus. it was shown that, conductivity firstly decreased, and then increased with aminating temperature increase. in contrast with putting polyacrylic resin into thin acetic acid solution, the more compact film could be achieved by neutralizing polyacylic resin with glacial acetic acid and then add it into water. when neutralizing temperature was enhanced, the speed of electrodepsidon was found to increase, and the film was also more compact. increasing the dn leads to enhanced conductivity and smaller particle size. when dn equaled to 80, the smoothest film could be achieved
以二乙醇胺為胺化劑、冰醋酸為中和劑,合成了胺化環氧丙烯酸陽離子樹脂.採用電泳儀和電導率儀,研究了胺化環氧丙烯酸樹脂合成工藝對陰極電泳塗料電沉積性的影響.結果表明,隨著胺化溫度的增加,電泳液電導率先下降後上升.將冰醋酸加入樹脂中中和,後用水稀釋,比樹脂在醋酸稀溶液中中和,電沉積性能更好.電沉積速率隨著中和溫度的上升而增加,電沉積膜緻密性相應增加.中和度( dn )愈高,電泳液電導率愈大,粒徑越小,而塗膜外觀在中和度為80時達到最佳The voltage of lithium - intercalation reaction, impedance and structural stability of intercalation - type cathode material were analysed and calculated. theoritical results show that the reaction voltage depends on the content of lithium and the bond energy, and that the key ways to lower the electrode impedance are to increase the electronic conductivity of the electrode and the diffusion coefficient of lithium ion in the host and to decrease the size of powder. in addition, the thermal stability of lithium - insertion structure can be improved by using crystallographic co - lattice theory and doping treatment
本文從嵌入式陰極材料的嵌鋰反應的電壓、阻抗及結構穩定性的分析和理論計算著手,得到了電壓取決于基體中各種離子間的鍵能及鋰含量、降低電極阻抗的關鍵是提高電子型導電性和li ~ +在基體中的擴散系數及減小粉末粒度的理論依據及其利用晶體的共格原理和摻雜改性的方式來提高材料嵌鋰結構的熱穩定性的設計思路。Measurements of the electrical properties of electronic tubes. part 22 : methods of measurement for cold cathode counting and indicator tubes
電子管電性能的測量.第22部分:冷陰極計數管和指示管的測量方法In the discharge process, the ions can clean and activate the surfaces of cathodes, which can reduce the work function of the electrodes, and improve the discharge tubes ’ emission capability and stability
在放電過程中,陰極表面有離子的清洗和活化作用,可以使電極逸出功降低,提高放電管的放射能力和穩定性。Synthesis and properties of la0. 5re0. 3sr0. 2feo3 - re
體系雙稀土陰極材料的制備與電性能For this purpose, 2, 5 - diaminobenzene sulphonic acid ( dabsa ) [ c6h3 ( nh2 ) 2so3h ] can be selected as one monomer of ip reaction. the other monomer can be trimesoyl chloride ( tmc ) [ c6h3 ( coc1 ) 3 ]. in order to introduce the cationic group into membrane, 4 - ( chloromethyl ) benzoyl chloride ( cmbc ) [ ch2c1c6h4 ( coc1 ) ] could be added into organic phase ( tmc ) and used for chemical modification after ip process based on the reaction between 4 - ( chloromethyl ) benzoyl chloride and trimethylamine ( tma )
為了引入陽離子交換基團,本文採用2 , 5 -二胺基苯磺酸作為界面聚合的無機相單體;為了引入陰離子交換基團,在均苯三甲酰氯有機相單體中加入一定量的4 -氯甲基苯酰氯,並考慮在無機相中加入適量的聚乙烯亞胺( pei )以增加其正荷電性。The main work and conclusion for this paper is as following : according to the flashover test results of several kinds of iced insulators under positive voltage and negative voltage, this paper obtained : for the single porcelain insulator, the single glass insulator and the composite insulator bridged completely by icicle, the metal cathode ' s strong ability of emission electron is the primary reason that results in the lower negative flashover voltage ; the position difference of the high resistance district in method anode side results in that porcelain insulator cluster and glass insulator cluster have an evident effect of polarity ; when less ice and no icicle at the brim of the sheds, due to numerous non - polar arcs on the composite surface, the effects of polarity of composite insulator was lost using the test method of the average flashover voltage in the freezing period, dc flashover performances were investigated of several insulators with some typical structures and different material
本文的主要工作和結論如下:在人工氣候室內,根據不同覆冰絕緣子正、負極性下的閃絡試驗結果,得出負極性電弧金屬陰極的強電子發射能力造成了單片瓷、玻璃絕緣子及被冰凌橋接的合成絕緣子有較低負極性冰閃電壓;正極性電弧金屬陽極側產生高電阻區所處位置的差異使得瓷和玻璃絕緣子串具有明顯的極性效應;覆冰較少時,合成絕緣子表面出現數量較多的非極性電弧使合成絕緣子無極性效應。利用覆冰期內平均閃絡電壓的試驗方法,對不同材質和結構的絕緣子在覆冰、低氣壓和污穢共存環境中的直流閃絡特性進行了研究。試驗結果表明,直流平均閃絡電壓隨著海拔的升高、覆冰量的增加以及污穢度的增加而降低,且其特徵指數與絕緣子結構、覆冰量、覆冰狀態、污穢度等有關。Measurements of the electrical properties of transmitting tubes - measuring methods of static characteristic curve for common cathode circuit
發射管電性能測試方法共陰電路靜態特性曲線的測試方法We make out the cnt thin film by the coating method, and then we test the thin film field emission properties 4. we make the sample that is get by the step 3 as the cathode. then we get the composed materials by electrophoretic method
4 .以3得到的樣品為陰極,仍然採用電泳的辦法將沉積到碳納米管薄膜上,成功得到了碳納米管與金剛石超微粉的合成材料,並測試了其場發射特性。At first, a two - dimensional across - the - channel mathematical model for simulation of a direct methanol fuel cell is described. the model accounts simultaneously for electrochemical kinetics, hydrodynamics, and multicomponent transport, and fully accounts for the mixed potential effects of methanol oxidation at the cathode as a result of methanol crossover caused by convection, diffusion and electro - osmosis
首先描述了一個用於模擬直接甲醇燃料電池特性的垂直於流道的二維數學模型,模型考慮了多組分傳遞、水動力學和電化學動力學,並且考慮了甲醇竄流在電池陰極產生的混合電位的影響。Tow types of fuel - cell models can be distinguished : microscopic and macroscopic. this paper adopt agglomerate microscopic model to analyze the fuel cell ' s performance. according to the computation, it can be concluded that the performances are determined by the thickness of the electrode, the effective ionic conductivity, the radius of agglomerate and other parameters
對燃料電池單體,建立了微觀的數學模型? ?聚塊模型,用nenmanbandj方法計算熔融碳酸鹽燃料電池陽極和陰極的過電位,分析了各種參數的影響,對電極的制備,提高單電池的性能,有一定的指導意義。At the same time an oppression, a dread of exposing himself and her to that outside thing that sparkled viciously in the electric lights, weighed down his shoulders. she, poor young thing, was just a young female creature to him ; but a young female creature whom he had gone into and whom he desired again. stretching with the curious yawn of desire, for he had been alone and apart from man or woman for four years, he rose and took his coat again, and his gun, lowered the lamp and went out into the starry night, with the dog
要是她能夠在城和他在一起,而除了他倆以外,世界絕無第三者了,那麼多情慾重新涌了起來,他的陰莖象一隻活的小鳥似地興奮著,同時他又覺得被一種恐懼壓制著,他恐懼著自己和她要被外面那些電燈光里含惡意地閃耀著的「東西」所吞食,她,這可憐的年輕的人兒,在他看來,她只是一個年輕的女性的生物罷了,但是這卻是一個你曾深進過,並且他還在慾望著進去的一個年輕的生物。The dynamic response of fuel cell characteristics after step change of cathode inlet velocity, humidity and cell voltage was analyzed
最後,分析了陰極入口速度、濕度和電池電壓階躍變化后電池特性的動態響應特性。This paper presents comparative systematic research of problems in the preparation of economical mould pressing bonded ndfeb permanent magnets, which include the fabricating of economical rapidly - quenching ndfeb magnetic powder and mould pressing bonded ndfeb permanent magnets ; the effect of the ndfeb magnetic powder on the magnetic properties of the magnets and the effect of the cathode electrophoretic coating on the corrosion resistance of the ndfeb magnets
為了充分發揮我國稀土資源優勢,發展我國的ndfeb稀土永磁產業,本文比較系統地研究了高性價比的模壓成型粘結ndfeb永磁體制備過程中的相關問題,包括高性價比快淬ndfeb磁粉制備、模壓成型粘結ndfeb磁體制備、 ndfeb磁粉特性對粘結磁體磁性能的影響、 ndfeb磁體陰極電泳塗層工藝及其塗層對磁體抗蝕性的影響。Comparison of the stability of hot and cold cathode ionization gauges
熱陰極與冷陰極電離規穩定性的比較研究The complexes of schiffbase are not only the carriers of cation on potentiometric sensors but also anticancer drugs. it can induce or cleave dna in the present of cooxidant, and its anticancer effect increase when metal ions complex it
席夫堿化合物可以作為許多陰離子電位型傳感器的載體,同時也是一類具有抗癌活性的化合物,在氧化物存在的條件下,能損傷或者斷裂dna ,與金屬離子結合以後,其抗癌效果增強。Ir - ta - ti metal oxide coated titanium anodes of variable composition were prepared by thermal decomposition. their micro morphorogies and electrochemical properties were characterized by scanning electron microscope, open circuit potential, cyclic voltammetry, consumption rate measurements and accelerated life test. the sem results indicated that all coatings were of a porous and cracked - mud microstructure influenced greatly by the composition of coatings. the electrochemical measurements showed that the ir - ta - ti ternary oxide - coated anodes exhibited excellent electrochemical activity and electrochemical stability in both acidic media and seawater which were affected by the composition and microstructure of the coatings. owing to good corrosion resistance and low consumption rate in seawater, metal oxde coated anodes belong to insoluble material, and can be potentially applid in impressed current cathodic protection systems as an anode
採用熱分解方法在鈦基體上制備銥鉭鈦金屬氧化物陽極,用掃描電鏡對陽極塗層顯微形貌進行分析,通過強化電解壽命試驗、開路電位測試、消耗率試驗及循環伏安曲線研究了金屬氧化物陽極的電化學性能. sem分析結果表明銥鉭鈦金屬氧化物陽極塗層呈現多孔多裂紋形貌結構.隨陽極塗層組成不同,塗層顯微形貌表現出很大差異,這種差異直接影響陽極電化學性能.電化學性能試驗結果表明銥鉭鈦金屬氧化物陽極在酸性介質和海水中具有良好的電化學穩定性和電化學活性.此外,銥鉭鈦金屬氧化物陽極在海水中的消耗率很低,屬于不溶性的陽極材料,作為外加電流陰極保護用輔助陽極具有廣泛的應用前景Measurements of the electrical properties of electronic tubes. part 13 : methods of measurement of emission current from hot cathodes for high - vacuum electronic tubes and valves
電子管電性能的測量.第13部分:高真空電子管熱陰極發射電流的測量方法Because the harmonics in tangyin substation are primarily from electric traction loads, this paper gives the structures of several main locomotive models and general harmonics they produce. the harmonics produced by electric locomotive have a characteristic that their range and phase are both dispersive. this paper also analyzes the impedance - matching balance transformer ' s structure and harmonics injected into the power system at its primary side, and sums up the characteristics of the harmonics from electric traction loads in the tangyin traction substation
鑒于湯陰變電站的諧波主要來自電力牽引負荷,本文列舉了電力機車幾種主要車型的結構以及它們產生諧波的概況,得出了電力機車的各次諧波電流幅值和相角具有較大分散性的特點。針對湯陰牽引變電站的牽引變壓器,分析了阻抗匹配平衡變壓器的結構及其高壓側注入電網的諧波,推導了有關計算公式。通過理論分析並結合湯牽線的實測諧波數據,歸納了電力牽引負荷注入湯陰變電站的諧波的特點。分享友人