酸性硫酸基的 的英文怎麼說
中文拼音 [suānxìngliúsuānjīde]
酸性硫酸基的
英文
sulfonicsulphonic- 酸 : 酸構詞成分。
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 硫 : 名詞[化學] sulphur; sulfur [美國] (16號元素, 符號s)
- 的 : 4次方是 The fourth power of 2 is direction
- 酸性 : [化學] acidity; acidness; acerbic; acidic property酸性材料 acid material; 酸性促進劑 acid acceler...
- 硫酸 : [無機化學] sulphuric acid; sulphoacid; vitriol; vitriol oil; dipping acid; sulfuric acid; hydric ...
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Taking the andalusite from south africa and alumina fiber as raw materials, adding aluminum sulphate as binder, fabrication and properties of alumina fiber reinforced andalusite composite was studied through wet dispersion, mould pressing and sintering processes
以紅柱石和氧化鋁纖維為原料,用硫酸鋁作為結合劑,經過分散、混合、半干法成型、高溫燒成工藝,對氧化鋁纖維增強紅柱石基復合材料的制備及性能進行了研究。By using primers designated for lacz gene, pcr result suggested an integration of lacz into u. pinnatifida genome. nine reagents including penicillin g, kanamycin, g418, teicoplanin, zeocin, chloramphinicol, hygromycin, basta and methotrexate were tested as selective reagents for selection of transgenic sporophytes. the results showed that young sporophytes of u. pinnatifida were sensitive to chloramphinicol and hygromycin and very sensitive to basta which suggest the potential of using the resistance genes as selectable markers
,為了解決轉基因裙帶菜的篩選問題,進行了裙帶菜幼孢子體對不同篩選壓力的敏感性實驗,包括抗生素類的青霉素g 、卡那黴素、 g418 、硫酸鏈黴素、鹽酸潔黴素、 zeocin 、氯黴素、潮黴素,除草劑類的basta ,氨甲喋呤類的氨甲喋呤,結果顯示裙帶菜幼孢子體對氯黴素、潮黴素敏感,對basta非常敏感。A review on application of monohydrated sodium bisulfate as catalyst in synthesis of ester, such as monocarboxylic esters, dicarboxylic esters, chloroacetates, hydroxycarboxylic esters, aromatic esters and the reusability of sodium bisulfate with
摘要介紹了一水硫酸氫鈉在催化合成酯(如一元羧酸酯、二元羧酸酯、氯乙酸酯、羥基酸脂、芳香酸酯)中的應用及其重復催化性能。The preparation method of methyl 1 - naphthylacetate catalyzed by sulphuric acid, hydrochloric acid, chlorosulfonic acid, p - toluene sulfonic acid, amino sulfonic acid, strongly acidic cationic exchange resin, ferric chloride hexahydrate, stannic chloride pentahydrate, aluminium chloride, ferric sulfate, aluminium sulfate, titanium sulfate, sodium bisulfate monohydrate, solid super acid, heterpoly acid, support heterpoly acid, composite titanate and p - toluene sulfo - chloride etc. catalyst were reviewed
摘要評述了硫酸、鹽酸、氯磺酸、對甲苯磺酸、氨基磺酸、強酸性陽離子交換樹脂、六水三氯化鐵、五水四氯化錫、三氯化鋁、硫酸鐵、硫酸鋁、硫酸鈦、一水硫酸氫鈉、固體超強酸、雜多酸、固載雜多酸、復合鈦酸酯和對甲苯磺酰氯等催化劑催化合成1 -萘乙酸甲酯的方法。The methods for synthesizing p - hydroxyl ethyl benzoate catalyzed by sulfuric acid, p - toluene sulfonic acid, amino sulfonic acid, strongly acidic cationic exchange resin, ferric chloride hexahydrate, aluminum chloride hexahydrate, stannic chloride pentahydrate, copper sulfate, titanium sulfate, rare earth metal oxide, sodium bisulfate monohydrate, solid super acid and heteropoly acid and so on are reviewed
摘要評述了硫酸、對甲苯磺酸、氨基磺酸、強酸性陽離子交換樹脂、六水合三氯化鐵、六水合三氯化鋁、五水四氯化錫、硫酸銅、硫酸鈦、稀土金屬氧化物、一水硫酸氫鈉、固體超強酸、雜多酸等催化劑催化合成對羥基苯甲酸乙酯的方法。The synthesis methods of isobutyl acetate catalyzed by p - toluene sulfonic acid, amino sulfonic acid, strongly acidic cationic exchange resin, ferric chloride hexahydrate, cupric chloride bi - hydrate, stannic chloride pentahydrate, ammonium ferric sulfate dodecahydrate, sodium bisulfate monohydrate, potassium bisulfate, chitosan sulfate, sodium dihydrogen phosphate, rare earth metallic oxide, solid super acid, heteropoly acid and molecular sieve etal were reviewed
摘要評述了對甲苯磺酸、氨基磺酸、強酸性陽離子交換樹脂、六水三氯化鐵、二水氯化銅、五水四氯化錫、十二水合硫酸鐵銨、一水硫酸氫鈉、硫酸氫鉀、殼聚糖硫酸鹽、磷酸二氫鈉、稀土金屬氧化物、固體超強酸、雜多酸和分子篩等催化劑催化合成乙酸異丁酯的方法。Catalytic synthesis of diisoamylester maleate with toluene - p - sulfonic acid, amino - sulfonic acid, strongly acidic cation exchange resin, ferric chloride hexahydrate, stannic chloride pentahydrate ; ammonium ferric sulfate dodecahydrate, sodium bisulfate monohydrate, solid super acid and heteropoly acid was reviewed
摘要綜述了對甲苯磺酸、氨基磺酸、強酸性陽離子交換樹脂、六水三氯化鐵、五水四氯化錫、十二水合硫酸鐵銨、水硫酸氫鈉、固體超強酸和雜多酸催化合成馬來酸二異戊酯的方法。[ objective ] heparin is linear polysaccharides consisting of repeating disaccharide unit backbones of n - acetyl - d - glucosamine that is linked to d - glucuronic acid. the disaccharide repeat unit can be modified to include n - and o - sulfation ( 6 - o and 3 - o sulfation of the glucosamine and 2 - o sulfation of the uronic acid ). these specific sulfate patterns are involved in the interaction of heparin with other molecules
[目的]肝素是由n -乙酰葡萄糖胺與d -葡萄糖醛酸以1 4糖苷鍵連接起來的重復二糖單位組成的線性多糖,葡萄糖胺可帶有n -硫酸基團,可在c6上形成0 -硫酸酯,帶有硫酸基團的獨特結構參與了肝素與其他分子的相互作用。Hartshorn ( nh4oh ) was used as a new catalyst instead of acetic acid in the saponification reaction of base zinc salt of dioctyl thiophosphate ( t203 )
摘要選用氨水溶液代替醋酸作為新型催化劑用於硫磷雙辛基堿性鋅鹽( t203 )的皂化反應。The anion surfactant nals was the most efficient in the process and was selected as collector by orthogonal method. the interfacial tension and cmc of nals ( cmc 6. 5 10 - 3m ) in the solution was measured by hanging ring test, the function relationship between interfacial tensions and nals concentration was : = - 0. 9523 in 2c - 24. 534 in c - 81. 411. the relation of interfacial adsorption equilibrium in the solution system was respectively tested and calculated with gibbs equation and dynamic method. the conclusion showed that ( 1 ) the experiment result of dynamic method with was highly in coordination with the value which from theoretical calculation. ( 2 ) the surfactant molecule was in arrangement of monomolecular layer at the gas - liquid interface
用吊環法測定了十二烷基硫酸鈉水溶液不同濃度與其界面張力的關系,擬合得到的回歸方程為= - 0 . 9523ln ~ 2c - 24 . 534lnc - 81 . 411 ,同時還測得其臨界膠束濃度值( cmc為6 . 5 10 ~ ( - 3 ) m ) ,運用吉布斯等溫方程和動態法分別計算和測定了該溶液系統的界面吸附平衡關系,結論表明: ( 1 )動態法測定結果基本吻合吉布斯方程的理論計算; ( 2 )表面活性劑分子在氣?液兩相界面是以單分子層形式定向有序排列的。High gade dye - acid brilliant blue 6b, dye - intermediate - 2, 4 - disulfonic benzaldeyde, 4 - chloro - 2 - amino phenol - 6 - sulfonec acid, 0 - chloro - p - nitroaniline, benzaldehyde - 0 - sodium sulphonate etc obtained prizes from state and province, its qualit are almost equal to same kinds of products made in sandoz co. of swiss, bayer and hoechst co. of germany, the new product - dimethyltin - bis iso - octhl mercaptoacetate and methyl - tri iso - octyl mercaptoacetate plastic stabilizer was developed in 1997, it has filled in the gaps in the fields of scince and technology of domestic, it passed the shandong science committee of technology appraise, the quality indexare equal or exceed the same kinds of products made in u. s. a, another new product feeding additive - d - pantothenic acid calcium salt was developed in 1996, its quality are equal to the same kinds of product made in advanced countries, annual outputs are more than 100mt
高檔染料酸性艷藍6b染料中間體2 , 4 -二磺酸笨甲醛茜素4 -氯- 2 -氨基苯酚- 6 -磺酸鄰氯對硝基苯胺脫氫硫代對甲苯胺雙磺酸等均獲國家級優秀新產品獎和省科技進步二等獎,產品質量分別達到瑞士山道士西德拜爾赫斯特等公司同類產品水平公司1997年開發的塑料穩定劑-甲基錫產品為又一填補國內空白的高新技術產品,產品當年通過省科委技術鑒定,各項質量指標分別達到或超過美國同類產品水平。In order to improve the electro - catalytic activity of platinum based catalyst to methanol oxidation, in this thesis, firstly prepare heteropoly acid modified pt / gc electrode with different concentration by cyclic voltammetry method, and then test the cyclic voltammetry curves individually in vitriolic and methanol solution. the study shows the best concentration for both phosphomolybdic acid and phosphotungstic acid is 1 10 ~ ( - 3 ) mol / l. and find the more heteropoly acid modified on electrode, the lower peak - up potential towards methanol because of the existence of oxygenous species
為了改善鉑基催化劑氧化甲醇的催化活性,本論文首先通過循環伏安掃描法制備了不同濃度磷鉬酸和磷鎢酸修飾的pt / gc電極,通過研究pt / gc電極在修飾前後在硫酸溶液中及含甲醇的硫酸溶液中的循環伏安行為發現,磷鉬酸和磷鎢酸均能在ptru / c電極上發生氧化還原反應,而且雜多酸修飾濃度對pt / gc電極氧化甲醇的催化活性有很大影響。Meanwhile, based on the magnetic material theory, a complete analysis and summary are carried out on the three crystal structure and technology theory ; especially the ingredient analysis is made on the microscopical morphology and x - ray diffraction and its mixtures existence and relevant metallurgy about the typical second resource such as coldrolling iron and oxide red, steelmaking sludge and feso4 based on the practeal investigation of the pre - burning materials in domestic products plant, especially the analysis on the domestic markets and components, and connecting with reality and material characters in panzhihua iron and steel ( group ) cmpany, we established the product orientation and developing direction in panzhihua iron and steel ( group ) company ; after carrying out the technology reform on the old no. 1 magnetic product plant of enterprise company, making a detailed study on the various conditions for establishing a plant, the feasible research report is formed of 1400 tons ( per year ) feo preburning material and 3000 tons ( per year ) middle and high quality magnetic products ; so a necessary and reliable supports are provided both theoretically and practically for the development of the magnetic industry in panzhihua iron and s teel ( group ) cmpany
同時,對磁性材料的理論基礎,尖晶石、磁鉛石、石榴石三大晶系結構以及其工工藝理論進行了較為全面的歸納、分析和總結;尤其針對攀鋼產生的二次資源如冷軋鐵紅、煉鋼污泥、硫酸亞鐵等三種典型原料分別作了成分分析、微觀物理形態以及x光衍射分析、其夾雜物的存在形式及相應的金相分析。對國內鐵氧體磁性材料的預燒料及磁件生產廠家的工藝、設備、技術、成本、質量狀況進行了實地的調研,特別是對國內磁性材料的市場及競爭對手進行了詳盡的分析,在此基礎上,結合攀鋼實際及原料特點確立了攀鋼發展磁材產業的產品定位及發展方向;對企業公司原有磁件一廠進行了技術工藝改造,對建廠各項條件進行了詳細的分析,形成了了年產14000噸年鐵氧體預燒料以及3000噸年中高檔磁件產品的可行性研究報告,從理論上和實踐上為攀鋼磁性產業的發展提供了必要的可靠的依據。Northern blot results show that nos. 66 - 1, 84, 89 - 1, 97, 108, 152, 175 and 233 have stronger signal in sp6 - tester than in sp6 - driver ; and no. 23 has weak signal only in sp6 - tester, nos. 94, 165, 172, 185 and 191 have similar hybridization signals in both sp6 - tester and sp6 - driver ; nos. 4, 17, 18, 28, 6 9, 101, 156 - 1, 157 - 1 and 183 do not reveal hybridization signals in both sp6 - tester and sp6 - driver ; the results of sequencing and blastn and blastx on ncbi indicate that no. 23 cdna ( 846bp ) has significant alignments with nicotiana tabacum mrna for elicitor inducible beta - 1 - glucanase nt - sube76, and arabidopsis thaliana clone 7119 for glycosyl hydrolase family 17 ( protein id : at5g55180. 1, supported by cdna : 7119, supported by cdna : gi _ l 87001 54 ) and arabidopsis thaliana beta - 1 - glucanase - like protein ( gi _ 2 1594590 ) ; no. 84 cdna ( 560bp ) has significant alignment with lotus corniculatus aspartate aminotransferase mrna ( complete cds length = 1685, gi | 2605931 | gb | af029898. 1 | af029898 ) for aspartate aminotransferase ; no. 89 - 1 cdna has significant alignment with arabidopsis tha
與同源性最高的擬南芥類似晚期胚胎發生高豐度蛋白比較,二者都具有lea 2結構域、保守分泌蛋白cog5608結構域和低復雜度區,都具有pkc磷酸化位點、酪蛋白激酶磷酸化位點、 n十四酞化位點和酚胺化位點,所不同的是: ( )在結構功能域上, 152全長cdna編碼的蛋白質序列中多了1個lea 2結構域、 l個保守分泌蛋白cog5608結構域和1個低復雜度區; ( 2 )在功能位點上, 152全長cdna編碼的蛋白質具有酪氨酸硫酸化位點、多了l個酪氨酸激酶磷酸化位點和1個可能的天冬氨酸富集區,但沒有n糖基化位點; ( 3 )擬南芥類似晚期胚胎發生高豐度蛋白的lea 2結構域具有顯著性( eIn thl1 gene, there are some famililar enzyme digest sites including bamh i, hind, sac i and sal i. the sequence of thl1l from brassica oleracea l. shows 99 % identity to the sequence of thll from brassica napus l. there are some phosphorylation sites and an active site of thoiredoxin h members consisting of cppc in thll protein
甘藍和油菜thl1基因序列有5個堿基的差異,而氨基酸僅有2個氨基酸的變異,同源性達99 。在thl1蛋白的氨基酸序列中發現了一個硫氧還蛋白家族的活性位點( cppc )和多個磷酸化位點。Abstract : renews in this paper of the surfactant oil based for surface activies agent of anionic ( alcohol sulfate, sulfonata, acetyl cyanamid, and oleie methyl ester sulfonat etc. ) surface a ctivies agent of nonionic ( apg, alcohol polyxyethnyl ether, alkyl polyoxyethnyl alnyl hydroxyl ether etc. ), for technique improvement and develcpment trends
文摘:綜述了油基表面活性劑中陰離子表面活性劑(醇硫酸鹽, -磺酸鹽、酰基氰胺、油酸甲酯磺酸鹽等) ,非離子表面活性劑( apg 、脂肪醇聚氧乙烯烷基醚、烷基聚氧乙烯烷基羥基醚等)的技術進展及今後發展趨勢。By blasting the homologous sequences in genbank databases, the sequence of grass carp gh cdna from pituitary is 98 % homologous compared with the previously cloned gh cdna of grass carp. the cgh cdna fragment was inserted into pgex - 4t - l to construct the expression plasmid. the recombinant plasmid was digested by bamh i and ecor i to identify whether the cgh cdna fragment was inserted into the plasmid, the pgcgh was transformed into e. coli bl21 competent cells
將得到的序列在genbank和embl數據庫中進行了同源比較,結果顯示:本研究克隆到的草魚gh基因與genbank中登記的x60474草魚gh基因有12個堿基的差異,編碼的氨基酸有3個氨基酸殘基的差異,同源性為98 ,影響蛋白質高級結構的保守二硫鍵為2個。This paper unfolds engineering disposition and theoretical research of negative temperature high performance concrete ( nthpc ) with the damage of many factors motivation, the project background based on qing - zang railway engineering, which is one of four - emphasized engineering during the tenth five - plan. due to the difference of environment of construction and service between nthpc and ordinary concrete, and therefore durability of nthpc is required to higher level. at a first, nthpc must avoid frozen damage at early age and possess anti - freezing property at later period, in order to meet engineering practicable application need, and this are two emphasized and difficult problems, as for nthpc ; by means of mechanism analysis about deicing - agent ingredient and anti - freezing at early period, adopting composite technique routine of mineral addition + anti - freezing element + water - reducer4 - air - entraining + anti - erosion of steel component etc, based on orthogonal experimental approach, fd - 1 composite functional admixtu re was manufactured, which has more property and orientation on qing - zang railway
負溫混凝土由於和普通混凝土在施工環境及服役環境上存在的差異,因此表現為比普通混凝土更為較高的耐久性要求;負溫混凝土首先要避免早期的凍害以及具備長期抗凍性能,才能夠滿足工程實際應用的要求,這也是負溫混凝土必須解決的兩大技術關鍵;通過對目前常用防凍劑組分作用機理的分析研究及混凝土早期防凍機理探討,採用礦物外加劑+防凍組分+高效減水劑+引氣+阻銹組分功能復合的技術路線,通過正交試驗設計復配了適應青藏鐵路工程要求的專用多功能復合型外加劑fd - 1 ;並在此基礎上配製不同等級負溫高性能混凝土,開展一系列包括硫酸鹽侵蝕、氯離子滲透、抗凍融循環、收縮及耐磨性等耐久性能研究;通過對fd - 1組分和摻量的調整,優化負溫混凝土在施工特性、力學指標和耐久性三個方面的兼容、協調性。Abstract : the mixed salts of diethanolamine and sodium of lauramidoethylene sulfosuccinate is prepared to modify the products with the mixture of the diethanolamine and hydrogen sulfite of sodium as sulphonating agent. the transparency problem of the product is solved. the result of investigation illustrates the major physocochemical properities of the products after the modifying are basically corresponding to the one before the modifying, and the products have a strong containing salt ability, it is fit to compound the products of the high salt content
文摘:採用亞硫酸氫鈉與二乙醇胺的混合物作磺化劑,對琥珀酸月桂酰胺基乙酯磺酸鈉進行改性,制得了鈉與二乙醇胺的混合鹽,改善了產品的透明度.性能分析表明:改性前後其主要表面物理性能基本相當,且改性后該產品具有較強的抗鹽能力,適用於含鹽量較高的製品The detection limit of edta titrimetric method for sulfate was determined according to a procedure which is basically epa method detection limit procedure except that it also accounts for the contribution of variability of blank and total hardness on sample results
摘要在美國環保總署方法檢出限程序的基礎上,設計了一個能考慮樣品空白和總硬度的可變性對樣品測量值貢獻的方法檢出限程序,並按照此程序對edta滴定法測定硫酸鹽的檢出限進行了確定。分享友人