荷電酸 的英文怎麼說
中文拼音 [hédiànsuān]
荷電酸
英文
charged acid-
That is the premise of the bg / ha electrophoresis codeposition. the laws of the electrophoresis deposition of the bg and ha partic les were found by the study on each of their deposition under the different conditions. the electrophoresis codeposition of the bg and ha particles had been studied and the bg / ha graded coating, which is compact in the bottom layer and porous near the surface layer, had been prepared on the surface of the dental implant after the low temperature heat treatment ( about 740 ) and fast firing ( 50 - 80 / min, heat preservation time was 5 - 8min. )
以bg微粉和ha微粉作為塗層原料,通過研究bg和ha微粉在非水介質中的分散情況和帶電特性,選擇冰醋酸為介質,使分散在其中的bg顆粒和ha顆粒表面均帶上正電荷,為電泳共沉積提供前提條件;通過對不同條件下bg 、 ha各自電泳沉積的研究,探索出了兩者電泳沉積的規律;通過對bg和ha在冰醋酸中電泳共沉積以及后續低溫( 740左右)快燒( 50 ? 80 min ,保溫5 ? 8min )熱處理的研究,在鈦合金牙根種植體基體上成功制備出了底層緻密而表層多孔的bg ha梯度塗層。This charge is reduced by digestion with neuraminidase.
這一電荷被唾液酸苷酶消化而降低。Located in the longjiang section of national highway 325 in foshan city in the pear river delta with developed industry, our factory is engaged in the production of totally - enclosed maintenance - free storage battery and dry - type lead acid storage battery, and designs and manufactures serial products in order to meet the present and future higher requirements. at present our factory has five major brands " jianfeng, aofeng, gangling, weiling, wangpu ", those products are known for their quick - start, large capacity and convenient use in the market, and are highly praised by vast motorcycle users and professionals
我廠位於工業發達的珠江三角洲佛山市龍江段325國道旁,是一家從事生產全密封免維護蓄電池和干荷式鉛酸蓄電池,是為了滿足現在和未來更高要求面設計製造的系列產品,本廠現有「尖鋒、澳鋒、港靈、威靈、旺普」五大品牌,該產品在市場以其啟動快捷、容量強勁,使用方便而著稱,深受廣大摩托車用戶和專業人士一致好評。Abstract : experiments were made on a ultrasonic machining tool with work - piece adhered to ultrasonic transducer head, to machine micro - holes on hard and brittle materials such as soda glass and si, to study the effects of tool materials , work - piece materials , amplitude , machining load , slurry concentration , tool length and the size of work - piece on machining rate and wear ratio. in this experiment, the micro - tool was made through wedg
文摘:通過以wedg放電加工手段製作微細超聲加工用工具,在採用工件加振方式的微細超聲加工機上對碳酸玻璃、半導體硅等硬脆材料試件進行微孔加工的實驗,來探討在某一特定加工條件下工具材料、工件材料、工件的振幅、加工靜載荷、磨料懸浮液濃度、工具長度及工件尺寸等重要因素對加工速度、工具損耗率的影響,為微細超聲加工技術的實用化提供參考依據。Sam has three ionizable groups besides the sulfonium pole : the carboxyl and the aminic groups of the amino acidic chain with pk 1. 8 and 7. 8 respectively and the aminic group of the purine with pk 3. 4. in an acid environment sam is positive charged, so it could be adsorbed by weak - acid cation exchange resin
Sam除具有一個帶正電荷的鋶外,還有三個可離子化的基團: pk _ a分別為1 . 8 、 7 . 8的氨基酸鏈上的羧基和氨基, pk _ a為3 . 4的嘌呤環上的氨基。Amnio acids could promote cac2o4 to crystallize on the ca2 + - rich ( 101 ) axis of com when negative charges were taken on their surfaces. trp, tyr and asp could promote orientation growth of ( 101 ) face of com more and more easily
而當其表面帶負電荷時,則能促進com的( i0l )面生長,且caczo ;沿該面取向生長的程度隨色氨酸一酪氨酸~天冬氨酸而增強。Zwitterion an ion with both a positive and a negative charge. amino acids and form zwitterions : the amino group has the form - nh3 + and the acid group is ionized as - coo -
兩性離子:既帶有正電荷又帶有負電荷的離子。氨基酸就是這樣一種離子:氨基基團為- nh3 +而羧基端為- coo - 。In the first part of this paper, mn ( iii ) / mn ( ii ) couple in h2so4 was firstly applied as the positive couple to this system, i. e. redox flow cell. its chemical, electrochemical properties, redox kinetics and related parameters were characterized and discussed by rotating disc electrode ( rde ), cyclic voltammetry ( cv ), a. c. impedance ( a. c. imp ), chronoamperometry, tafel curve, and galvanostatic charge / discharge techniques. conclusions have been drawn as follows : 1. the electrochemical kinetics of mn ( iii ) / mn ( ii ) redox couple in 6. 3m h2so4 solution were studied by means of rotating disc electrode ( rde ) technique on platinum electrode
本文第一部分首次成功地將酸性介質中的mn ( iii ) / mn ( ii )電對應用於氧化還原液流電池這一新型儲能裝置的正極活性材料,通過旋轉圓盤( rde ) 、循環伏安( cv ) 、交流阻抗( a . c . imp ) 、恆電位階躍、 tafel實驗以及mn ( iii ) / mn ( ii )單電極的恆流充放電實驗,我們得出以下結論: 1 .在旋轉圓盤電極上,不同轉速范圍,不同的極化過電位, mn ( ) / mn ( )體系氧化還原電極過程的控制步驟不同,電荷傳遞、擴散傳質可分別或聯合成為控制步驟。Much work has been done to prompt the rapid establishment of fuel cell technology in china. with the help of the visiting scholar, p. j. van den enden, the standard performance test of single mcfc has been done smoothly
重建了荷蘭delft大學熔融碳酸鹽燃料電池單電池試驗系統,並以標準氣體、水煤氣、甲烷等氣體作為燃料氣體,獲得了單電池的性能。Aluminum coagulation pretreatment enhances the uf removal of ha and greatly ameliorates the effect of ha on the membrane flux decline. at ph = 7. 0 the mechanism is adsorption of ha on the amorphous solid - phase al ( oh ) _ 3 ( s ), while at ph = 5. 0 the mechanism is charge - neutralization. in terms of the removal of ha ( toc, uv _ ( 254 ) ) and the membrane flux decline, the effect of coagulation under ph = 7. 0 condition turns out to be much better than that under the condition of ph = 5. 0
Ph = 7 . 0條件下的混凝預處理機理主要是鋁鹽高分子水解產物對腐植酸的吸附網捕作用, ph = 5 . 0時的機理主要是帶正電荷低分子鋁鹽水解產物吸附電中和作用,從toc和uv254的去除率以及膜滲透通量的變化情況來看, ph = 7 . 0條件下的混凝預處理優于ph = 5 . 0 。In this paper, a positively charged composite nanofiltration membrane was developed by using poly ( n, n - dirnethylaminoethyl methacrylate ) ( pdmaema ) as the active layer material and polysulfone ( psf ) macrofiltration membrane as the support layer
本文以聚甲基丙烯酸二甲氨基乙酯( pdmaema )為表層材料,以聚碸( psf )微孔濾膜為基膜,制備了荷正電復合納濾膜。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。This is attributed to the stabilization of the excited state of intermediate of luminol by the interaction with the positively charged pee modified layer
荷正電的聚乙烯亞胺修飾分子與魯米諾激發態3 -氨基鄰苯二甲酸陰離子間靜電相互作用而導致的激發態穩定性增加;對魯米諾分子的電化學發光的增強起著關鍵作用。Preparation and characterization of poly phthalazinone ether sulfone ketone alloy ultrafiltration membranes
聚丙烯酸鈉荷負電膜的制備及分離特性研究Based on a number of charging and discharging experiments, a thought is put forward that the polarization may be detected according to the terminal voltages at charging, terminal voltage at the short pause, and the soc ( state of charge ) ; the depolarization by momentary discharge according to the reference of optimal curve
在論文撰寫過程中,作者主要進行了如下方面的研究: -對鉛酸蓄電池的電化學機理進行充分研究,並在大量充放電實驗的基礎上,提出了依據蓄電池充電時和停充瞬間的端電壓和蓄電池荷電狀態檢測蓄電池極化狀況的思想。 -依據最佳曲線給定,採取瞬間放電減少極化。It has been shown that domain ia is responsible for cell recognition, domain ii is to be involved in translocation of the toxin across membranes, and domain hi catalyzes the adp - ribosylation of elongation factor2, which arrests protein synthesis and results in cell death
人組蛋白h3是堿性核蛋白,富含精氨酸,在生理條件下, h3的精氨酸帶正電荷,而dna的磷酸基團帶負電荷,所以組蛋白和dna分子主要依靠靜電引力相結合。By virtue of their different chemical properties, some amino acids are attracted to each other ( for example, oppositely charged amino acids ) and so will associate ; other amino acids will try to avoid water ( because they are greasy ) and so will drive the protein into a compact shape that excludes water from contacting most of the amino acids that " hide " in the core of this compacted protein
由於氨基酸各不相同的化學屬性,有些氨基酸會因為互相吸引(比如電荷相反的氨基酸)會連接在一起;還有些氨基酸因為不親水(因為它們是油性的) ,它們就會驅使蛋白質形成一個緊湊的形狀,以至於不讓水碰到藏在蛋白質核心中的氨基酸。On the surface containing calcium, the precipitation of phosphate ions was prior to calcium ions due to a number of the surface calcium ions and the surface positive charge ; on the surface containing phosphorus, the precipitation of calcium ions was prior to phosphate ions
含鈣表面,由於鈦表面有大量的鈣離子和表面帶有正電荷,磷酸根離子先於鈣離子沉積到表面;而含磷表面,則是鈣離子先於磷酸根離子沉積到鈦表面。Through reverse adsorption and elution, sam could be separated from the cell extract
Sam在酸性條件下帶正電荷,能與陽離子交換樹脂進行離子交換。A study of the charge - transfer complex between styrene and diethyl 2, 3 - dicyano - 2, 3 - di p, m - dimethoxylphenyl succinate or acrylonitrile
丁二酸二乙酯或丙烯腈形成的電荷轉移絡合物的研究分享友人