表面活化作用 的英文怎麼說
中文拼音 [biǎomiànhuóhuàzuòyòng]
表面活化作用
英文
surfactant effect- 表 : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
- 面 : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
- 活 : Ⅰ動詞1 (生存; 有生命) live 2 [書面語](救活) save (the life of a person):活人無算 (of a goo...
- 用 : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
- 表面 : surface; superficies; boundary; face; rind; sheet; skin; outside; appearance
- 活化 : [化學] activation radioactivation; activate活化處理 activating treatment; 活化分析 [核物理] activ...
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Its mechanism is to reduce the surface tension of solution, to enhance the efficiency of nebulization, to generate glue group of chemical combination and to concentrate molybdenum by surfactant
其機理是溶液表面張力的降低、霧化效率的提高、膠團化合物的形成及表面活性劑對鉬的富集作用。According to knowledge of surfactants, the emulsifiers are selected and mixed by the rule of hydrophile - lipophile - balance value
作者根據表面活性劑知識,採用hlb值法篩選和復配乳化劑。In this study a microbial system for biphenyl biodegradation is set up in order to investigate the effects of surfactants on biodegradation of hydrophobic organic compounds. four strains which can grow on biphenyl as the sole carbon and energy sources are selected out, in which alcaligenes eutrophus dj1 and pseudomonas sms02 are chosen as degradation strains. after studing the bioavailability of three nonionic surfactants ( op - 10, tween - 80, and triton x - 100 ), they are added into the biodegradation system of biphenyl
為了考察表面活性劑對疏水性有機污染物生物降解的影響,本論文選擇聯苯作為模擬研究體系,篩選、馴化得到四株可利用聯苯作為碳源生長的菌株;考察了聯苯降解菌株對三種非離子表面活性劑op - 10 、 tween - 80 、 tritonx - 100的生物可利用性;用高效液相色譜法測定了非離子表面活性劑對聯苯的增溶曲線;較系統地研究了加入非離子表面活性劑對聯苯生物降解速率的影響。Soil microbial biomass and viable population size ( plant counts ) were negatively affected by the elevated metal levels, but the size of soil basal respiration rate and microbial metabolic quotients were positively influenced by the increasing heavy metal pollution levels. microbial community structure also changed with increasing contamination, as indicated by biolog data and principal component analysis of biolog community metabolic profiles. soil microbial metabolic profiles ( awcd ) values, community richness and diversity index in mine - soils decreased remarkably as compared
相關分析結果表明,土壤重金屬含量和土壤基礎呼吸、微生物量cfn 、代謝剖面( awcd ) 、微生物商( cmic / corg ) 、代謝商( qc02 )與人工栽培的香根草植物地上部分呈顯著或極顯著正相關(卜0 . 6653飛0 . 8945 」 ) ;微生物量c 、微生物量n 、生化作用強度、酶活性、群落shannon指數( h )和微生物群落豐富度( s )與人工栽培的香根草植物地上部分生物量呈顯著或極顯著地負相關( r =一。The recombinants were constructed by transforming ppic9 a - xynb into p. pastoris gs115. the assay results revealed that the xylanase gene xynb was overexpressed and secreted effectually in p. pastoris. in 3l fermentor the expression level of xylanase xynba exceeded 1200iu / ml and the expressed xylanase had normal bioactivity. the molecule weight of xynba was determined as about 31kd which is higher than 23kd of original enzyme xynb from streptomyces olivaceoviridis a1. xynbb was gotten by deglycasylation of xynba, whose molecule weight returned to 23kd. we comparised the enzymatic properties of xynba expressed in p. pastoris, xynbb deglycasylated from xynba and xynb produced from streptomyces olivaceoviridis al : there was little difference among the three enzymes on optimal ph, the optimal ph of xynb and xynba were both 5. 2, the optimal ph of xynbb was 5. 0 ; the optimal temperature of xynb and xynba were both 60 c, while the optimal temperature of xynbb was 50 ? ; because of glycosylation the thermal stability of xynba was better than xynb and xynbb ; the specific activity of xynba and xynbb were 883. 88iu / mg and 832. 5hu / mg respectively, which were both lower than 2814. 45iu / mg of xynb ; the km values of xynb and xynba were similar to each other which were 21. 56 ( g / kg ) and 20. 87 ( g / kg ), while the km value of xynbb was 27. 10 ( g / kg ) ; the fmax of xynba and xynbb were 4568umol / mg. min and 5329umol / mg. min respectively which were lower than 27623 umol / mg. min of xynb ; additionally all of the three enzymes did not display cellulase activity. they all had well resistance to pepsion and trypsin, and were not sensitive to metal iron, surface active agent and chelating agent. the analysis of different xylans enzymatic hydrolysate revealed : by xynba, that the main constitutions of enzymatic hydrolysate of birch wood xylans were xylotriose and xyloquaiose, which account for 68. 43 % and 16. 50 % respectively, additionally there was 11. 79 % of xylobiose ; the main constitutions of enzymatic hydrolysate of corncobs xylans were xylobiose and xylotriose, which account for 81. 78 % and 11. 55 %. the result indicated that this xylanase was a kind of 1, 4 - b - d - xylanohydrolase and was fit to used in industrial procession of xylooligosacc harides
進一步對xynba進行了脫糖基化處理得到xynbb ,其分子量恢復到23kd ,證明xynba是糖基化蛋白。通過對畢赤酵母重組表達的木聚糖酶xynba 、脫糖基化的木聚糖酶xynbb以及橄欖綠鏈黴菌a1所產原酶xynb之間酶學性質的比較發現:三種酶的最適ph差異不大, xynb和xynba均為5 . 2 , xynbb為5 . 0 ; xynb和xynba的最適溫度均為60 , xynbb降為50 :在耐熱性上, xynba由於糖基化作用熱穩定性明顯高於未糖基化的xynb和xynbb ; xynba和xynbb的比活性分別為883 . 88iu mg和832 . 51iu mg ,明顯低於原酶的比活2814 . 45iu mg ; xynb和xynba的km值相當,分別為21 . 56 ( g kg )和20 . 87 ( g kg ) ,而xynbb的km值較大為27 . 10 ( g kg ) ; xynba和xynbb的vmax相差不大,分別為4568 mol mg ? min和5329 mol mg ? min ,明顯低於xynb的27623 mol mg ? min此外三種酶均無纖維素酶活性,對胃蛋白酶和胰蛋白酶有很好的抗性,且對作用環境中的各種離子、表面活性劑、螯合劑不敏感。通過對不同木聚糖的酶解產物的糖份分析發現:以樺木木聚糖為底物時,酶解產物主要為木三糖和木四糖,含量分別為68 . 43和16 . 50 ,另外還含有11 . 79的木二糖;以玉米芯木聚糖為底物時,酶解產物主要為木二糖和木三糖,含量分別為81 . 78和11 . 55 。Apg can be mainly used in many fields such as laundry detergents, dishwashing detergents, cosmetics, find industry, biochemistry and synergistic agent for pesticides etc
重點介紹其作為表面活性劑在衣用洗滌劑、餐具洗滌劑、化妝品、食品工業、生物化工和農藥增效劑等方面的應用。Meanwhile, fundamental principles about electroless tin plating by reducing agent and disproportionation reaction were explained. function of every component in the bath was explained that complexing agent can effectively change the potential of copper and tin, and accelerate the beginning of replacement reaction favorably ; reducing agent can increase the rate of chemical reaction and has the effect of promoting reaction dynamics too ; antioxidant can effectively prevent sn2 + in the bath from being oxidated ; additive agent a can improve the stability of the bath ; additive agent b has such effects as refining and brightening for the tin deposits, and it enlarges the range of brightening section ; additive agent c used as leveling agent can not only make the depostis level off, but also improve the dispersive ability of the bath ; surface - active agent can solve bubble problem which gathered on the surface of the deposits, and improve the surface quality of the deposits and the bath stability
闡述了鍍液中各組分的作用:絡合劑能有效地改變銅、錫的電位,促使初期的置換反應順利進行;還原劑能加快化學反應速度,對反應動力學有積極的促進作用;抗氧化劑能有效地防止鍍液中sn ~ ( 2 + )的氧化;添加劑a能提高鍍液的穩定性,添加劑b對鍍層能有細化和光亮作用,擴大了鍍層光亮區的范圍;添加劑c作為平滑劑,不僅能增強鍍層表面的平整性,而且能提高鍍液的分散能力;表面活性劑較好地解決了化學鍍過程中汽泡在鍍件表面聚集的問題,提高了鍍層的表面質量和鍍液的穩定性。Ghg - electrical grade activated silica powder is produced by way of mingling on the basis of electrical grade silica powder. it has activt effect on surface & make silica powder mingled with resin, raise cohesive force between resin & silica powder, raise the water - resestance on the sunface and the compressive strength of pour object, reduce sediment, gradation & split, increase filler of silica powder, and replaced inpoted products on the producing line of imported dry type transfomer & high tension mutual induc tance equiment, it has been the best pouring insulate materual in electrical trade
電工級活性硅微粉是在電工級硅微粉的基礎上進行偶聯化處理而製成,具有表面活性作用,能使用硅微粉與樹脂發生交聯,提高樹脂與硅微粉的粘結力和界面增水性,提高澆注體抗沖擊強度,減少沉澱、分層、開裂現象,增加硅微粉的填充量,在引進的乾式變壓器、高壓互感器生產線上已成功地代替了進口產品,成為電工行業理想的環氧澆注絕緣材料。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。This powder has mighty active - agent, and has whitening effect on white fabrics, sint - able for both soft and hard water, mainly wsed to wash oueralls, tablecloth and table napkin etc
這是一種具有強力活性劑的洗衣粉,包含綜合表面活性劑以及增光澤劑,濕潤劑,水質軟化劑。適于軟硬水。對白色織物有增光的作用。可用於工裝、臺布、餐巾的洗滌。Can be used as the raw material or additive for surfactant, alkyd, adhesive, plasticiser, ink, printing ink and coatings ; or as the plasticiser for the production of cellophane and coating processing paper i. e. calendered paper, coated stamp paper, printing coated paper in papermaking industry ; as well as the wetting agent of cigarette
產品說明:可用作表面活性劑醇酸樹脂粘合劑增塑劑墨水油墨漆的原料或添加劑在造紙工業中用作玻璃紙和塗布加工紙如蠟光紙塗料郵票紙印刷塗料紙等生產時的塑化劑卷煙中保持煙草的潤濕劑等。Moreover, because there are many kinds of surface - active agents, there are many kinds of prescription and making technology, therefore, it is various in style that the iodine produced is bent over, the iodine with the document report bends over more than 100 kinds, in market not of our country sell iodine bend over because too it more than 10 kinds, like gathering there aren t ethylene glycol the iodines, ren base phenol, the iodine can only exist to bend over with the liquid state, the stability is bad, the sterilization level is low, the poisonous side effect is different, have been eliminated for a long time in the western developed country
再者,由於表面活性劑有很多種,配方和製作工藝也有很多種,因而,生成的碘伏種類繁多,有文獻報道的碘伏就有100多種,我國市場上銷售的碘伏也有10多種,像聚乙二醇碘、壬基酚聚氧乙烯醚碘、聚醇醚碘、洗必泰碘等等,這些碘伏都只能以液體狀態存在,穩定性差,殺菌水平低,毒副作用參差不,在西方發達國家早被淘汰。不同的碘伏,從理化特性到消殺效果是大不一樣的。The hybrid material was characterized by ft - ir, fluorescence, xps, tg - dta, and dmta. the morphology of the hybrid material was observed by tem. it was showed that sno2 nanoparticles were in the shape of sphere or tube and some tubes even bifurcated
( 2 )表面活性劑dbs能提高納米sno _ 2在聚合漆酚中的穩定性,對pus sno _ 2雜化材料的形成起了重要作用,使其顆粒大小在納米范圍內。Especially, when - bi together with a little carbon black ( cb ) or copper salt is used, the catalytic effect is better ; the flame structures of the double - base propellants containing - bi are similar to the typical plateau double - base propellant, but the combustion temperature distribution has been changed because of adding the - bi ; and the active components of catalysts deposit on the burning surface of propellants and the quenched surfaces of propellants with various catalysts possess different structure
它與銅鹽和少量炭黑( cb )復合后,催化效果更優; 2 , 4 -二羥基苯甲酸鉍加入后,推進劑的火焰結構保持了典型平臺雙基推進劑的結構特徵,但改變了雙基推進劑燃燒波溫度分佈,炭黑和銅鹽的加入對2 , 4 -二羥基苯甲酸鉍的催化作用有很大影響;催化劑分解的活性組分富集在燃燒表面,不同催化劑使推進劑熄火表面形成不同的結構。Catalyst for ethanol synthesis. the results show that the reactive metals rh and mn are fixed on the catalyst surface by the interaction with si - oh, which can enhance the stability of highly dispersed metals. rh and mn interact with each other to form the acitve site with high ethanol synthesis activity. the surface si - oh was found to be of significance on the preparation of catalyst with high catalytic activity
的性質,結果表明,活性金屬銠及錳經浸漬法擔載于載體上后即與表面羥基作用使金屬固定在氧化硅的表面上,保證了高度分散活性金屬的穩定性高度分散中的銠錳相互結合,構成了乙醇合成中的高活性位研究發現表面硅羥基在催化劑制備過程中起著重要作用。The main chemicals used for disinfection purposes are halogenated compounds containing chlorine or iodine, alkalis such as sodium hydroxide or ammonium, phenols such as chlorhexidine acetate, aldehydes, such as the glutaraldehydes, ampholytes ( which may behave either as acids or as bases ), surfactants, and gases such as ethylene oxide
在消毒中使用的主要化合物是含有氯或碘的鹵代化合物、氫氧化鈉或銨之類的堿洗滌劑、氯己啶之類的酚類、戊二醛之類的醛、兩性電解質(可作為酸類或基底使用) 、表面活化劑及環氧乙烷之類的氣體。2 resin with bad wetness systems, and non - thixotrpic grind materials. operate as following process : add the paint material and the solvent - add surface active agent if adopt - add the pigment stir, make it disperse or grind to the needed granularity
2對于非觸變性研磨性磨料,潤濕性差的樹脂體系操作如下:加油漆和溶劑混合加入表面活化劑如果採用加入顏料攪拌分散或研磨分散到所需細度加預凝膠攪拌分散至所需細度稀釋至所需粘度。1 resin with bad wetness systems such as epoxy resin, polyester, alkyd, acrylic resin, use compound with the surface active agent, and the thixotropic grind materials can be acceptable. operate as following process : add paint material all kind of resin and the solvent - add the organic bentonite pre - gel, stir enough - add the pigment, stir and disperse enough - dilute
1潤濕性比較差的環氧,聚酯,短油酸樹脂,丙烯酸樹脂等與表面活化劑合用,且觸變性研磨料科被接受的情況下,按照以下步驟操作:加油漆和溶劑混合加入有機預凝膠充分攪拌分散加入顏料充分攪拌分散稀釋。1 while use surface activator and disperse pigment, system can grow to be thixotrpic structure during stir. operate according to following steps : add the paint material and solvent then mix - add the organic bentonite powder, stir with 10 minutes - add the polar active agent, stir 5 - 10 minutes - add surface active agent - add the pigment, stir and disperse to the needed granularity - dilute to the needed viscosity
當使用表面活化劑以及分散顏料和攪拌下可發展觸變體系時,操作如下:溶劑和展色劑混合加入有機膨潤土粉末混合10分鐘加入極性活化劑攪拌5 - 10分鐘加入顏料攪拌分散至所需細度稀釋至所需粘度。2 resin with bad wetness systems such as epoxy resin, polyester, alkyd, acrylic resin, operate as the following process : add the solvent - add organic bentonite powder mix and stir 10 minutes, wet enough - add the polar active agent mix and stir 5 - 10 minutes, make it swell and disperse - add resin and stir - add the surface active agent - add pigment, stir and disperse to the needed granularity - dilute to the needed viscosity main points for use methods
2當使用潤濕性差的樹脂系統環氧,聚酯,短油酸樹脂,丙烯酸樹脂操作如下:加入溶劑混合加入有機膨潤土粉末攪拌混合10分鐘,使其完全潤濕加入極性活化劑攪拌混合5 - 10分鐘,使其膨脹,分散加入樹脂混合攪拌加入表面活化劑攪拌分散至所需細度稀釋至所需粘度。分享友人